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1. Y 21 3 4 6 1 2 Inch Super Suppleness Cable sse eee nene 22 4 EQUIPMENT TEST amp DEBUGGING 23 4 1 Test Condition Instruments Meters amp Relevant inel gll 23 4 1 1 Test Condition coe coiere certe ener tei reor ue Deep Aie Dese dnd eB due suce rave uen ed 23 4 1 2 Instruments Meters amp Relevant Accessories nennen 23 4 2 Testing Frequency Band To be customized 23 4 3 Testing Method amp Procedure 23 4 3 1 Maximum Output Power 23 4 3 2 Maxim Gai M MR 24 4 3 3 Auto Level Gontrol ALC E 24 4 34 Gain Adjustment Rangeringer pae Fate sd Le a adaa ea te rdg ave 25 4 3 5 Gain Adjustment Step Length amp Error sssssssseee eene enn 25 4320 RIPPIG IN Band Me 26 4 3 7 Voltage Standing Wave HRato eene eene nennen enn nennen 26 ie EH EMISSION EE 27 439 UPINESNR Ec 27 4 3 10 Group Time Del EE 28 4 311 Noise Fiq inden 29 5 CONSTRUCTION PROCESS 30 5 1 Construction EE 30 5 1 1 Reconnaissance of Works tnra ence on Ea EEE p do oap p chess ENEE ege 31 9 1 2 Engineering e Le EE 32 5 1 3 Organization of e E ee E 33 5 1 4 Opening amp Self Examination of the Construction 36 5 1 5 Organization for Construction Inspection amp Acceptance 00 0
2. 3 1 4 Basic EE 4 2 WORKING PRINCIPLE amp TECHNICAL INDICE S s 6 2 1 Working Principle eese 6 2 2 Product Features rmnrnanrnanvnnnvnnnvnnnvnnnvnnnvnnnvnnnvnnnvnnnvnnnvnnnvnnnvnnnvnnnennne 7 2 3 Technical Indices esee nennen 10 2 9 1 M jor Technical e E 10 2 3 2 Ambient Environment Condition ccccccccsseseececececeeuesseeececeaeeneeeeeeeeeeseeaeceeeeeseaneeseeeeeeaeags 11 2 3 3 Power Supply Requirements 2 eese ciere datiuo aote EET dec aan dte ann 11 2 3 4 Mechanical Characteristics ssssssesesssssseee nennen nenne nennen nnne n n nnn nr nsns nnne nan 11 SEENEN 11 3 SYSTEM COMPOSITION 12 3 1 RF Unit ege 12 om mlsII U eske 12 3 1 2 Downlink PA amp Uplink NA 13 3 1 3 RFF1 2 50 Cable enne nh nnrnn asse entr adi ERR sita dads diss sesta dadas sss enne 14 22 MS Lue ped M M s pe EM MIU EE 15 3 3 Power Supply Unit eese 16 GZF9003 VIF Wireless Repeater User s Manual 3 4 CCESSOKES me or ore ore E 17 3 4 1 Outdoor Omni Directional Antenna enne enne 17 3 4 2 Directional PanelAntenna 5 1i Eit celine hee ida Rp RR eb Rap XE eet ERR ERR DERE ee 18 3 4 3 Ce E EE 19 3 4 4 Short Backfire Ant nna a oc sd sea pare ceed Ec ek eee e see Es Oa oria er ed babies 20 SE EI TP
3. accessories accessories y Accomplishment off re management of construction mooo i i installation constructin materials figure 5 2 39 GZF9003 VIF Wireless Repeater User s Manual 5 2 1 Installation Flow The general working flow of the GZF9003 VIF Repeater is shown in figure 5 2 1 Grounding AC DC Power Connection figure 5 2 1 The general working flow of the GZF9003 VIF Repeater To ensure safety during the installation make sure to wear safety belt for overhead operations and wear safety hats for on the ground operations and take care never working in rainstorms 5 2 2 User s Cooperation WRI Hongxin s technicians will take charge of the equipment installation and the user s technicians should provide help if necessary To ensure the normal running and maintenance of the equipment the user s technicians should proactively work together with WRI Hongxin s engineers and technicians and get familiar with the installation structure 40 GZF9003 VIF Wireless Repeater User s Manual cabling debugging procedure etc 5 2 3 On site Survey Before installation the installation technicians should consult with the project manager of the user and learn whether the installation site is ready for equipment installation Specifically they should survey such it OMC as the installation site iron tower or high pole surrounding environment temperature and humidity and power supply Where conditions p
4. of equipment upon opening of the system and effects on base station from data shall be observed Parameters shall be readjusted timely when abnormal circumstance occurs 6 2 5 Collection of Opening Data a Sorting of test data Data to be cleared up include at least the following gt Data for equipment test Data for system test Data for route test Statistics data for equipment room Data above shall be submitted to the Owner as evaluation basis b Opening report GZF9003 VIF Wireless Repeater User s Manual All documentation shall be cleared up and summarized as opening report for the project when each index is confirmed to meet requirements presented by the Owner or included in Construction Specifications of Indoor Repeater and Opening Specifications of Indoor Repeater prepared by WRI Hongxin Opening reports include gt gt Implementation scheme of the Project List of equipment main materials and assisting materials Amendments and causes of plan describe it OMC to be changed and causes for such changes in construction in detail Working index of main equipment including all index of main equipment to be tested as required by opening specifications Test data includes VSWR test data output power of equipment input power of donor antenna and test data for uplink noise floor of equipment Premier test software is recommended for DT dialling test which includes RxLevsub of coverage ar
5. PVC or silver plated tube Cables must be cased in soft sleeves at bending points and fixed with pipe clamps Check 2 3 1 4 for the distances The following is the table for the diameter of PVC tube a lt 1 2 feed line gt 1 2 feed line 51 WRI PRE EE Technologies GZF9003 VIF Wireless Repeater User s Manual Diameter of the PVC tube 25mm or 32mm Cables have to be recalled and re installed when trouble appears in construction It is prohibited to pull the cable by force When cables vertically pass through machine rooms the holes must be reinforced according to design with measures against rain When cables horizontally pass the rooms the holes must be reinforced with protective frames and sealed after the cables are fixed Cables must not be hurt when they are being sealed The protective frames should have colors harmonious with the color of the wall RF cables and AC cables must be laid separately Proper measures must be taken to separate them when they have to be placed together Itis prohibited to enlace the cables along with the lightning cables When the cable is laid in frames or casing the laying must be flat and even Feed line must be enlaced evenly along the frame See 2 3 1 4 for fixed distances for feed lines Cables must be lined closely in order after being enlaced Extra part of laces must be cut off When cables are laid in suspense they must be fixed with cable hooks along the
6. There should be free of harmful gas or combustible explosive and corrosive chemical materials and there is no violent mechanical vibration or shock and no strong magnetic field exists The storehouse should be kept in good ventilation URI GZF9003 VIF Wireless Repeater User s Manual 10 Appendix Terms amp Abbreviations Automatic Level Control 73
7. eeeeeeeeeeeeeeeeneeeeeeneeeeenneeeeneaa 37 5 2 System Installation eegenen Eugene 39 ii GZF9003 VIF Wireless Repeater User s Manual 5 2 1 Installation Flow sseseseseeeeseeen nnnm SEERE SEEREN ERE Innern nnn nnn nsn nsns nnn nnne nns 40 5 2 2 Users COOPCLALOMN pn 40 5 2 3 On Site SUNS L aid 41 5 2 4 Installation Te EE 41 5 2 5 Technical Documentation 41 5 3 Installation Conditions eese 41 5 3 1 Basic Installation Conditions cccccescececccececeeseecececeeeceeaeeeeceeeseaueaseceseeeseaueaseeeeseusuaneaseees 41 5 3 2 Recommended Environment Requirement sess ener 42 5 4 Equipment Check assassin NEAENRAR EXE A BN RB REN ER EARN ERE 42 5 4 1 Counting the Goods e 42 5 4 2 Unpacking Inspection sss reen rr 43 5 5 Installation of the Main Chassis of the GZF9003 VIF SE E 43 5 6 Antenna Feeder Installation 50 5 0 1 ue Mee ET 50 5 6 2 Installation of the Service Antenna amp Feeder sssseeee enne 53 EENEG 53 5 6 4 Precautions for Antenna Feeder Installation lsssssseeeeen ennen nkn kk tnenee 54 5 7 Grounding amp Power Supply Connection 55 97 1 Equipment Grou ning si D g 55 5 7 2 Power Supply Connechon
8. in the areas with some dead zones the coverage of GSM network can be easily expanded to the dead zones that need covering to solve the problem of coverage By using GZF9003 VIF wireless repeater of mobile communications of excellent performances manufactured by Wuhan Hongxin Telecommunication Technologies Co Ltd the surplus capacity of networks can be re planned or re arranged so that the resources of networks will be used to their maximum The application of GZF9003 VIF repeater shall attract more traffic load with its short cycles immediate returned profits easy installation and savings of network resources and expand the network coverage with low cost to make up for the insufficient coverage of system base station It is a good solution to optimize network with wireless repeater in networks In some areas with tough conditions wireless repeater of mobile communications is characterized by its strong adaptability quick construction and high sound quality It can cover the entire coverage area GZF9003 VIF wireless repeater of mobile communications can solve the problem shopping centre modern hotel supermarket and office building In the areas where the frequency of the base station is not used the extra communication capacity can be transmitted to other areas so that equipment shall be fully used GZF9003 VIF Wireless Repeater User s Manual 1 2 Scope of Application of the Equipment Applicable to shopping centre modern hotel s
9. 01 MHz 110000 MHz 2 The second choice is a shady and well ventilated indoor wall without direct sunshine or rain drenching 3 The third choice is a common wall iron tower or high pole 4 The installation height should be such as to facilitate RF cabling heat radiation safety protection and maintenance 5 Independent and stable 150VAC 260V AC nominal 220V 50Hz or 44VDC 54VDC power should be provided based on different need the value of AC power is to be customized for example 110V 60Hz AC power will be provided in some country which mustn t be shared with other large power communication equipment and electric appliances 6 The installation building iron tower or high pole should be provided with lightning protection facilities and should be strong and stable enough 7 The antenna backstay or roof should be provided with a pole to help mount the antenna The diameter of the pole may be 50mm 80mm depending on the antenna to be mounted A ladder should also be available to help mount the antenna All metal parts should be properly grounded and provided with lightning protection facilities 5 4 Equipment Check 5 4 1 Counting the Goods Check whether the packing box is intact in appearance If any goods are wrong or missing or if the outer package is damaged seriously stop 42 He WRI GZF9003 VIF Wireless Repeater User s Manual unpacking immediately and find out the cause and report to the relevant depa
10. 4 1 Test Condition Instruments Meters amp Relevant Accessories 4 1 1 Test Condition 1 Temperature 25 55 2 Relative humidity 35 95 4 1 2 Instruments Meters amp Relevant Accessories 1 Signal generator one set 2 Spectrum analyzer one set 3 Vector network analyzer one set 4 Noise Figure analyzer one set 5 300B electric attenuator and 500 standard load both of 50W one set respectively 6 Some coaxial cables 4 2 Testing Frequency Band To be customized Downlink 935 960MHz Uplink 890 915MHz 4 3 Testing Method amp Procedure 4 3 1 Maximum Output Power 1 Connect testing system according to figure 4 3 1 make the calibration according to the dotted line before test GZF9003 VIF Wireless Repeater User s Manual Repeater Attenuator e Spectrum analyzer Signal Generator figure 4 3 1 2 Shut down reverse link while measuring forward link and shut down forward link while measuring reverse link 3 Set the output frequency of signal generator as the central working frequency of repeater 4 Setrepeater gain to its maximum 5 Adjust the output level of signal generator until the output of repeater reaches the required index value 4 3 2 Maximum Gain 1 Connect testing system according to the real line in figure 4 3 1 2 Shut down reverse link while measuring forward link and shut down forward link while measuring reverse link 3 Set the output frequency of signal generat
11. Bracket for When embracing pole is buried in the earth the depth of its burying can be determined according to soil texture and the height of the hold pole A depth of 0 8 1 2m shall apply for a 6mhold pole 1 2 1 6m for a 8m hold pole 1 6 1 8m for a 10m hold pole and 2 0 2 2m for a 12m hold pole The lightning mark paint mark and the installation of lantern if required of antenna tower should be in accordance with the TY WRI GZF9003 VIF Wireless Repeater User s Manual design requirements Grounding of antenna bracket for tower should be in accordance with the design requirements For installation of antenna bracket for tower on roof full consideration should be given to the carrying capacity of the roof structure Antenna bracket tower installed on roof should not damage the original waterproof layer of the building If damaged waterproof handling should be made Stay wire rope used for fastening of antenna bracket for tower should satisfy requirement of pulling force and be adjusted with the degree of its tightness The depth of stay wire should accord with requirement and the deviation should not exceed 5cm The deviation of pull distance should not exceed 10cm Antenna bracket for tower must be of certain strength and stableness and satisfy the wind resistance requirement after installation of equipment and safety requirement of operation on the tower Basic abutment plate should be installed accordin
12. Manual 3 4 Accessories 3 4 1 Outdoor Omni Directional Antenna Outdoor omni directional antenna usually works as service antenna to offer omni directional coverage to appointed area Electrical Specifications Frequency Range 870 960MHz VSWR lt 1 5 Input Impedance 500 Gain 11 5dBi Polarization Type Horizontal or Vertical Beam width 1 2 Power Points 8 Max Power 500W Connector Type N Female IMP3 107dBm Lightning Protection DC ground Mechanical Specifications Height 3m Weight 10kg Rated Wind Velocity 60m s Maximum Diameter q52mm Diameter of installation pole amp 60 mm 17 GZF9003 VIF Wireless Repeater User s Manual 3 4 2 Directional Panel Antenna Directional panel antenna usually works as service antenna to offer directional coverage to appointed area Electrical Specifications Frequency Range 790 960MHz VSWR lt 1 5 Input Impedance 500 Gain 18dBi Polarization Type Vertical 3dB Horizontal Beam width 65 3dB Vertical Beam width 30 First Upper Side Lobe Suppression 16dB First Down Null Fill 20dB Front to Back Ratio 225dB Max Power 500W Connector Type N Female IMD3 107dBm Lightning DC Ground Mechanical Specifications Dimension LXWH 260x250x40 mm Weight 0 5kg Wind Loading Area 0 09 m Rated Wind Velocity 210km h Radiating Element Material Radome Material Aluminum A
13. Neglect quality control and inspection and acceptance All these will lead to quality problOMC 5 1 4 Opening amp Self Examination of the Construction Purpose formulate flow for opening and improve on the quality of the construction Preparation before opening Check the route of feed lines of antenna to determine if the facilities are constructed according to drawings or if they are fastened Check the output power of signal source to see if it agrees with the 36 GZF9003 VIF Wireless Repeater User s Manual plan Check the power supply to see if they meet the requirements for equipment Opening and self examination of the construction test and analyze by testing tools testing mobile phone panorama software to see if the index for coverage meet the requirements The checking and analyzing include coverage switch signal quality re choice in local area and other relevant standards for inspection and acceptance 5 1 5 Organization for Construction Inspection amp Acceptance Purpose formulate rational process for construction inspection and acceptance re arrange report of inspection and acceptance coordinate with construction unit for inspection and acceptance so the construction can be smoothly inspected and accepted Process for Completion Inspection and Acceptance After the opening of the construction when the construction is found to have met the requirements after self examination with the presentation
14. Remark 1 Protective casing 1 3 8 038 023R1A Staple bolt 2 4 8 038 ZJ Bracket 1 5 8 309 044R1A M12 lengthened bolt 4 6 GB5870 86 Screw bolt M8X25 4 7 GB6170 86 Nut M8 4 8 GB97 1 85 Flat washer 8 4 9 GB93 87 Spring washer 8 4 10 GB6170 86 Nut M12 4 11 GB847 85 Flat washer 12 4 Installation Instruction Step 1 table 5 5 1 Details for installation scheme As shown in figure 5 5 1 fasten the bracket and staple bolt on embracing pole with M12 lengthened bolt flat washer 8 GB97 1 85 and spring washer 8 GB93 87 Step 2 As shown in figure 5 5 1 remove down panel of main casing for Repeater fit four M8X25 bolts GB5870 86 over the installation hole of equipment the installation hole of frame flat washer 8 GB97 1 85 and spring washer 8 GB93 87 in turn and fasten them with Nut M8 GB6170 86 for connection Step 3 As shown in figure 5 5 1 install the down panel and connect earth wire for equipment with ground reliably GZF9003 VIF Wireless Repeater User s Manual ll Repeater Installation Mode of Bracket on Wall figure 5 5 2 Scheme of installation amp E 3 GZF9003 VIF Wireless Repeater User s Manual S N Coding Name Quantity Remark 1 Protective casing 1 2 8 038 009R1A Bracket 1 1 3 8 038 010R1A Bracket 2 1 4 GB5870 86 Screw bolt M8 X 25 4 5 GB6170 86 Nut M8 4 6 GB97 1 85 Flat washer 8 4 7 GB97 1 85 Flat washer 12 6 8 GB93 87 S
15. acceptance of dead zone construction See relevant report specimen for various specimen Inspection and acceptance Inspection and acceptance is the evaluation of the construction quality The persons in charge of the construction chief engineer must submit inspection and acceptance report to construction unit to assure the smooth inspection and hand over to avoid any delay during the inspection and acceptance of the construction It must be emphasized here that the application for inspection and acceptance of construction can not be made to the construction unit until it is confirmed that the construction is found reliable in compliance with the acceptance standard after rational way of testing so as to ensure the rate of passing in inspection and acceptance to improve the reputation of the company GZF9003 VIF Wireless Repeater User s Manual 5 2 System Installation Work flow of indoor construction shown as the figure 5 2 Work flow of Outdoor Construction Assignment of Construction Understand the requirements of the construction party and owner Plan for construction Material arrangement for construction bill of materials for engineering installation Installation of list of equipment host machine for installation bill of material for Inst allation of c installation of feed line of antenna feed line of antenna bill of materials of Installation of c installation of
16. and downlink gain shall be adjusted to ensure strength of output signals reaches 37dBm the nominal value of the equipment The isolation between uplink and downlink shall be measured the value shall be at lest 120dB VSWR of antenna feeder system within working frequency shall be measured by means of length measuring methods with VSWR tester typically 1 4 to ensure the antenna feeder system works normally Input power of antenna shall be measured with spectrometer to ensure it meets design requirements dic URI GZF9003 VIF Wireless Repeater User s Manual Test of monitoring system Mainly perform tests on reliability and accuracy of monitoring system as well as integrity of function meantime make detailed record about them 6 2 4 Implementation of Network optimization 3 a Test of antenna power Input power of each antenna port shall be tested prior to formal opening and test results recoded in detail shall be taken along with design plan as basis for evaluation on check and acceptance of construction quality and the owner b Route test Coverage situation after completion of the project shall be tested and analysed through testing software Effects upon completion shall be described in terms of coverage and quality and at the same time switching between area covered and those uncovered shall be tested to ensure the system exerts no effects on targets to be covered Test data cleared up shall be compared wit
17. for optimize parameters and upgrade software according to the actual situation of network It will facilitate the monitoring of the working of wireless repeater of GSM mobile communication See Repeater OMC Operation Instructions of WRI Hongxin Co Ltd attached separately for detailed operation information 1 4 Basic Principle GZF9003 VIF Wireless Repeater is one of WRI Hongxin series repeaters The style of network grouping of GSM wireless repeater is flexible and in variety according to the real situation The basic ways are as follows Using such a repeater the donor antenna of repeater will receive the RF signal by air from Base Station service antenna and the received signal will be sent into filter to clear out the useless signal Then the signal will be amplified to the signal with the same frequency and high power the power range is from 0 5W to 5W based on the type of High Power Amplifier HPA By the service antenna of repeater the amplified RF signal will be used to covering the dead zones Just as the figure 1 1 shown URI GZF9003 VIF Wireless Repeater User s Manual Donor antenna Yagi antenna te ng antenna Repeate Ceili Coupler Ceiling antenna Figure 1 1 the basic principle of indoor wireless repeater GZF9003 VIF Wireless Repeater User s Manual 2 Working Principle amp Technical Indices 2 1 Working Principle The radio signal is introduced to repeater by its donor antenna from th
18. is designed with high redundancy to make sure that the power module can work under normal load in 55 C and start normally in 25 C the repeater is 8 GZF9003 VIF Wireless Repeater User s Manual provided with multi level lightning protection devices to ensure reliable lightning protection for the power supply antenna and feeder The lightning protection device of the power supply is a combination of a gas discharge tube and a piezo resistor and is designed with 2 level protection so that it can absorb very high lightning strike energy as well as remove residual voltage satisfactorily The MTBF of the integrated system is not shorter than 60000 hours the MTTR of the integrated system is shorter than 30 minutes and the maintenance guarantee time is shorter than 24 hours The service life of the product is at least 10 years URI GZF9003 VIF Wireless Repeater User s Manual 2 3 Technical Indices 2 3 1 Major Technical Indexes Me table 2 3 1 Major technical indices of the GZF9003 VIF Repeater GZF9003 VIF Wireless Repeater User s Manual 2 3 2 Ambient Environment Condition Ambient temperature 25 C 55 C Storage temperature 40 C 85 C Relative humidity lt 95 Air Pressure 70 106kPa 2 3 3 Power Supply Requirements Power Supply 220V AC 50Hz or 48V DC Allowed fluctuation range of voltage 180 260VAC 44 54VDC Allowed variation range of frequency 45Hz 65Hz Power Consumption lt 90Watt 2 3 4
19. plan Chief engineer must explain some issues in the construction plan that may bring some impact on owner and will not start construction until he gets the consent of the owner Civilized and secure construction must be conducted ProblOMC for balance interference and indoor outdoor switch may appear due to the unpredictable factors in the optimization even though the feasibility of the plan has been studied in the plan in the optimization of the system The above problOMC must be removed in time and persons in charge in relevant departments should exchange and consult with each other at proper time to perfect the optimization of the whole system Key Requirements Quality must be strictly controlled in the construction in various places of the country based on the construction at the early phase So as to eliminate the following Construct without familiarization of the drawings or the construct while drawings have not been check jointly alter design without the approval of the design department Fail to construct according to drawings Fail to construct according to the standard for inspection and acceptance of the construction Fail to construct according to relevant operation process Construct blindly without basic knowledge of structure Management for construct is in disorder Construction plan is improper Construction order is wrong Technical organization is poor Technical explanation is not enough Construct against regulations
20. row and ground net using 300A lug Grounding point on feeder lines should be directly sealed with waterproof clay and then packed in electric adhesive plaster 56 dic URI GZF9003 VIF Wireless Repeater User s Manual Grounding points on grounding row or ground net must be sealed with lubricant to avoid water and rust 5 7 1 3 Handling of Lightning System All the input and output terminals of outdoor equipment must be connected with lightning conductor For all the indoor repeaters it must be ensured that three points be connected with ground When connecting the lightning conductor with ground wires the direction of the wires should be downward but not upward which helps instantaneous current to be rapidly guided into the ground In order to decrease inductance when the lightning conductor is connected with ground wires the curving angle of ground wires should be above 90 and the curvature radius above 130mm The grounding points of equipment protection zone feeder lines outdoor antenna backstop should be apart from each other Every grounding points require to have a fine connection without any loose and be made anti oxidation handling to be covered with rust resisting lacquer or silver powder and waterproof and antisepsis handling Lightning rod hold pole lightning should have a diameter of 12 15mm and a length of 1500mm Outdoor antenna should be within the 450 protection angle of the lightning rod The grou
21. s Manual requirements in the drawing of the making of cable joint The redundant length of cable should be unified The size of peeling of each layer should be suitable with the corresponding part of cable plug When cutting and peeling with knife the cable jacket and insulation force shall be properly used not to damage woven screen and cable core Cable core should be soldered correctly and firmly with proper quantity of soldering tin Soldered dot should be smooth without spines and not be in a shape of knurl Co axial cable plug must be firmly assembled strictly according to its installation instruction by use of complete fittings and assembly position must be correct If at the cutting point a pyrocondensation sleeve is required the pyrocondensation sleeve shall have identical and proper length providing even pyrocondensation For construction of cable protect terminals from water and humidity A terminal exposed outdoors must be made waterproof handling with waterproof adhesive tape Terminals must be sawn off if they are affected with damp or if water enters into them 5 6 4 Precautions for Antenna Feeder Installation The donor and service antenna shouldn t be too near vertically otherwise self excited reception and transmission may result The antenna feeder system must be instaled by experienced professionals Do not install the antenna near any power line so as to ensure personal safety All exposed connector
22. suspended cables The size of the hooks 250mm for 1 2 cable radius and 350mm for 7 8 cable radius See 2 3 1 4 for requirement for fixed distances When the cables are laid along walls laying must be flat and even Feed lines must be fixed with cable clamps Cables must be protected in sleeves PVC tube or zinc plated sleeves The bending part of the feed line must be enlaced with soft tube Cables must be fixed with special cable fixer according to the TY WRI GZF9003 VIF Wireless Repeater User s Manual requirements when they are laid along the steel towers When cables are buried for laying feed line must be buried at depth of 0 8m and must be protected with zinc plated steel tube or PVC tube A warning sign must be set up in every 5 10m along the route of the feed lines See figures for illustration of cable installation 5 6 2 Installation of the Service Antenna amp Feeder The installation of the service antenna and the connected feeder is shown in figure 5 6 2 A2 Donor antenna A2 Service antenna B Antenna connector C Antenna feeder D amp E RF lightning arrestor connectors figure 5 6 2 Connection of the service antenna and feeder The service antenna of the GZF9003 VIF Repeater is usually plate antenna 45 60 90 and 120 5 6 3 Making Joint e Making of RF co axial cable joint should be in accordance with the 53 dic URI GZF9003 VIF Wireless Repeater User
23. the two signal generators as that of f1 and f2 in the reverse operating band Output power f1 85dBm f2 45dBm The difference between the peak power amplified at f1 and bottom peak noise power is uplink SNR the following is the setting of spectrum analyzer the central frequency is f1 band width 200kHz RBW automatic Referenced level proper average value chosen Delay Connect the testing system according to the real line in figure 4 3 2 Set the central frequency of network analyzer as the central frequency of repeater frequency span as the operating band width of repeater and the output level as the maximum input level of repeater Calibrate delay in transmission measurement method according to the dotted line in the figure 4 3 2 Shut down reverse link while measuring forward link and shut down forward link while measuring reverse link Set repeat gain to its maximum Measure group delay with network analyzer WRI GZF9003 VIF Wireless Repeater User s Manual 4 3 11 Noise Figure Noise generator Matching Load Noise Figure ee ae E Analyzer figure 4 3 3 Connect testing system according to figure 4 3 3 make the calibration according to the dotted line before test Shut down reverse link while measuring forward link and shut down forward link while measuring reverse link Set repeater gain to its maximum Measure NF with noise figure analyzer WRI GZF9003 VIF Wireless Repea
24. to ensure quality The products are sealed upon delivery and no units or individuals are allowed to unseal them without the authorization of our company Our company shall not be liable for any consequences caused due to the unauthorized start of the product Check all the attached accessories by packing list upon reception of the equipment of our company Contact the supplier in time for any shortage Our company owns the property right of our products which is protected by State law No units or individuals are allowed to copy them Our company shall investigate any of these actions for their legal responsibilities and reserves the right to claim for economic losses duly suffered URI GZF9003 VIF Wireless Repeater User s Manual 9 Transportation amp Storage 9 1 Transportation 9 2 Storage The GZF9003 VIF Repeater is encased in three layers in delivery The inlayer is a moisture proof water proof plastic bag the middle layer is a shockproof plastic foam card and the outer layer is an aluminium mould box The GZF9003 VIF Repeater can be transported via the truck or train avoiding rough loading unloading case upside down severe squeezing direct exposure to the rain or snow and mechanical damage The GZF9003 VIF Repeater should be placed in the original packing box before it is used The storage environment requires that the temperature should be 25 C 65 C and the relative humidity should not be greater than 95
25. 800 1000MHz 160dBc IMD3 1600 2000MHz 160dBc JB JBW 0 1000MHz 28 26 Echo Ullage dB JB JBW 1000 2000MHz 26 24 1000MHz 11 100 Attenuation dB m 000MHz 17 100 1000Hz 0 71 Average Rating Power kW 000Hz 0 48 Mechanical Specifications Max Pull N 500 Single Flection 15 Min Incurvated Semidiameter mm Many Flection 30 Working Temperature Range 40 70 Watertightness Rate IP 68 14 f Ai m GZF9003 VIF Wireless Repeater User s Manual 3 2 M amp C OMC Port232 M amp C Board In the repeater the working flow procedure is shown above All the active modules are connected in serial line to M amp C board GZF9003 VIF Wireless Repeater User s Manual 3 3 Power Supply Unit 150W 48V DC 220 AC Power Supply Rating Output Power 150W Input Voltage Range 48V DC 220V AC input Output Voltage Type 27V 4A 9V 2A Features 1 Modularized and small sized design 2 High power consistency 3 DC DC converting technology 4 Own interface to backup battery can control charge and discharge of backup battery 5 Over Voltage Protection Over Current Protection Over Temperature Protection Backup Battery Low Voltage Protection Structural Figure the input DC voltage is to be customized Battery Low Volt Batter Protection Circuit y 27V Output i DC DC DC DC 220V AC tert ircui Module Converting Circuit DC DC 5V Output Module GZF9003 VIF Wireless Repeater User s
26. 9 Weight kg 10 Rated Wind Velocity km h 126 Reflector Material Aluminum Alloy Pipe Radiator Material Copper Diameter of installation pole mm 48 990 GZF9003 VIF Wireless Repeater User s Manual 3 4 5 Arrestor Arrestors are usually equipped between the cables joining the equipment and antenna to protect the equipment against lightening surge electricity Parameters SL 35R SL 35P SL 23R SL 23P Frequency Range DC 2500MHz DC 1500MHz Impedance 500 Insertion Loss 0 2dB VSWR 1 2 Power Capacity 200W Discharge Voltage DC230V 15 Insulated Resistance 210000MO DC 100V Connector Type N J N K N K N K N J N K N K N K Dimension 58 25 35mm 75 20 45mm Weight 140g 110g 21 Fu GZF9003 VIF Wireless Repeater User s Manual 3 4 6 1 2 Inch Super Suppleness Cable The cable often works as a part of antenna feeder for joining master and BTS slave unit and antenna Mechanical Specifications Run Temperature Range 40 70 Min Setting Temperature 20 Max Pull N 500 Weight kg km 190 Min Incurvated Semidiameter Single Flection 15 Many Flection 30 Electrical Specifications Impedance Q 50 1 Attenuation dB m 10 9 100 950M Transmit Speed Coefficient 0 82 Max Rating Power kW 0 34 950MHz Echo Ullage customized Capacitance pF m 82 22 GZF9003 VIF Wireless Repeater User s Manual 4 Equipment Test amp Debugging
27. Data statistics of machine room of base station 1 Sorting of test data 2 Opening report Sorting of opening data 6 1 Tools for Opening One spectrum analyzer or spectrometer One signal source One set of special tool One VSWR tester Alcohol and absorbent cotton 62 3 Sorting of follow up self check Submit to the Owner for confirmation GZF9003 VIF Wireless Repeater User s Manual Several jumpers and adapters Several attenuators One set of route tester 6 2 Details for Opening 6 2 1 Check on Process Quality check shall be carried out based on quality standards of Hongxin while completing check on technical index of the project VSWR test VSWR test shall be implemented by means of trouble positioning and test results shall be recorded in details Requirements VSWR of antenna feeder system tested by equipment ports lt 1 4 Process of antenna installation installation shall be implemented correctly and securely and ensure the position and direction for installation are correct and azimuth angle of antenna shall be recorded azimuth with true north as 0 Process of equipment installation ensure the equipment is installed securely height and location of installation are exact without causing damage to cabinet appearance equipment be installed within cabinet with power clamper fastened within equipment connected with feeder line and mar
28. Mechanical Characteristics The GZF9003 VIF meets IP65 standard and can be fixed to the wall or the installation pole with installation accessories The physical appearance of GZF9003 VIF Repeater is shown in Fig 2 3 4 GZF9003 VIF Fig 2 3 4 2 3 5 Interfaces Antenna interface N type connector Portable computer and wireless modem interface RS232 GZF9003 VIF Wireless Repeater User s Manual 3 System Composition 3 1 RF Unit The RF unit the main functional module of the GZF9003 VIF Repeater serves to bi directionally receive and transfer the radio signals transmitted by the BTS and the mobile phone It consists of LNA and HPA in the uplink so it does in the downlink 3 1 1 Duplexer Coupling coupler TX Duplexer connected with donor antenna Duplexer connected with service antenna Configuration Link Duplexer in the GZF9003 VIF plays several roles in the repeater system First duplexers connected with donor antenna and service antenna contain filters in the downlink and uplink The filters in uplink reject the downlink band just as the downlink ones reject the uplink band So the uplink and downlink are isolated into independent channels There are two duplexers for one GZF9003 VIF repeater one is connected with donor antenna the other is connected with service antenna For the duplexer connected with donor antenna two coupler ports will be provided but the two ports have different coupled values are 50dB
29. URI HX SM GZF9003 VIF RB 0 GZF9003 VIF GSM Wireless Communication Repeater User s Manual September 2004 Version 00 00 01 Wuhan Research Institute of Posts and Telecommunications Wuhan Hongxin Telecommunication Technologies Co Ltd September 2004 Copyright 2004 Hongxin Telecommunication Technologies Co Ltd Wuhan P R China All rights reserved No part of this documentation may be excerpted reproduced translated annotated or duplicated in any form or by any means without the prior written permission of WRI Hongxin Telecommunication Technologies Co Ltd Fiberhome Group Hongxin Co 88 Youkeyuan Rd HongshanDist Wuhan P R China Website http www wri com cn http www hxct com Post Code 430074 Customer Support Center 85 27 8769 4409 Fax 85 27 8769 2579 E mail internationalmarket wri com cn Preface GZF9003 VIF Wireless Repeater of GSM Mobile Communication is an important part for constructing a hybrid GSM mobile communication network It mainly serves to receive and amplify uplink and downlink radio frequency RF signals so as to extend the coverage of BTS This Technical Manual deals with the principles functions structure installation debugging operation maintenance and transport etc of the GZF9003 VIF wireless Repeater and is intended to guide users to properly install operate and maintain the GZF9003 VIF wireless Repeater Statement The actual product may differ from what is des
30. al drawing tools Microsoft Visio to draw the point location drawings and system frame 5 Hand signature shall be requested for places of signature 5 1 3 Organization of Construction Purpose according to statistics the start or poor effect at the start of System after the completion of construction is usually caused by disorder in construction and management Therefore apart from strict execution according to the process provided in relevant documents specific plan for construction of works must be formulated in light specific construction to strictly provide all flows reinforce the management of site construction and practice liability system of each work for each individual Organization structure 1 The following structure can be adopted for organization to assure the GZF9003 VIF Wireless Repeater User s Manual orderly operation and to eliminate troubles Chief Engineer formulate and arrange the feasibility plan according to the Rules of Management for Engineering Start Specifications for Construction and Service Specifications for the Construction of the company regularly or irregularly check the construction and is responsible for the quality of the engineering progress cost control security and all affairs of the construction and shall order the construction team to re manage when he finds disqualification during the construction of the works Engineering Supervisor responsible for the progress and technique of th
31. ater User s Manual feasibility and economic rationality for better quality construction Design flow 1 Determine design purpose and design plan determine the requirements and coverage target of a respective works based on the technical bidding documents of construction unit Plan the scale of current works and design determine the design contents and estimation plan after careful study of the reconnaissance and technical bidding documents 2 Formulate general frame of the plan formulate general frame for design plan and determine the design direction based on the design plan and requirements for current works 3 Perfect designing contents complete all the contents of the plan such as design basis panorama data analysis based on reconnaissance report 4 Analysis on feasibility and rationality of the plan all plans must be analyzed in terms of technical feasibility and rationality such as prediction on the border magnetic field switch analysis interference analysis balance analysis and so on 5 Quotation rationally quote on the plan according to the market requirements after repeated examination of the feasibility of technical plan and verify the pricing of the plan after comparison Key requirements for design 1 Reinforce the analysis on the rationality of the plan 2 Decide reasonable editing format and corresponding fonts according to the template of the design 3 Reinforce the analysis on pilot panorama testing 4 Use speci
32. cee rer erne ere 58 5 8 Installation of Embracing Pole amp Antenna Bracket for e ET D S 59 6 SITE OPENING amp DEBUGGING 62 5 1 Tools for Opening E 62 6 2 Details for Opening 63 6 2 1 CHECK Om PROCESS DE 63 6 2 2 Implementation of Equipment Test 64 6 2 3 Implementation of System Test 65 6 2 4 Implementation of Network optimization eeeeseeeeeesesesee eene 67 6 2 5 Collection of Opening Data eese esie titanic E Ina tna naL ieaiaia 68 iii GZF9003 VIF Wireless Repeater User s Manual 7 SYSTEM MAINTENANCE mums 70 8 PRECAUTIONS s 71 9 TRANSPORTATION amp STORAGE 7 9 1 Transportation 1 seeren 72 9 2 Storag LE 72 10 APPENDIX TERMS amp ABBREVIATIONS succeer 73 GZF9003 VIF Wireless Repeater User s Manual 1 System Overview 1 1 Overview In GSM mobile communication system limited by the coverage of base station or by geographic environment the transmission of signals may be influenced by shadow or semi shadow in some areas generally referred to as dead zone or semi dead zone bringing serious impact on voice quality or even causing failure to normal communication To solve this problem apart from adding more base stations the deployment of mobile communication repeater characterized by quick expansion of coverage and reduction of cost shall be an ideal cost effective choice of high efficie
33. cribed in this manual due to frequent update of WRI Hongxin products and fast development of technologies in the future Please contact the local WRI Hongxin office for the latest updating information of the product Notice 1 Based on users need the actual working frequency of WRI repeater is to be customized In this manual we provide the repeater with frequency 935 960MHz for downlink and 890 915MHz for uplink 2 Based on users need the power supply AC input voltage value provided by WRI is to be customized either In this manual we provide repeater with 220V 50Hz AC or 48V DC power supply in fact 110V 60Hz AC power supply is also optional 3 Based on the users need the output power of both downlink and uplink is to be customized and the output power range is from 0 5W to 10W for uplink and from 2W to 40W for downlink 4 Based on user s need the way for band selecting is to be customized broadband band selecting or channel selecting is optional In this manual we provide repeater with channel selecting 5 About GZF9003 VIF here 900 stands for working frequency 3 stands for country code named by Hongxin and VIF stands for repeater type GZF9003 VIF Wireless Repeater User s Manual CONTENT 1 SYSTEM OVERVIEW MGMuX cer rererrerrererrereee 1 1 1 OvervieW E 1 1 2 Scope of Application of the Equipment 3 1 3 Major Features of the Equipment
34. ction before start of construction and provide solutions In case of any alterations in the construction they must be analyzed for feasibility under the supervision of engineering supervisor based on the Sheet for Alteration of Engineering Design formulated by the company Then fill in Sheet for Alteration of Engineering Design after confirmation that the alteration shall not affect the system in technique and report to chief engineer QC and security inspector shall strictly control quality when QC and security inspector find any potential danger after their examination of the total construction according to the relevant security regulations and quality standard they must inform engineering supervisor and order them to re manage Meanwhile ask the party to fill in Report on Construction Quality Accident and Table of Construction security Accident according to the real situation and hand them in to chief engineer and construction unit for examination and file Chief engineer must formulate plan for construction plan for progress of construction according to the actual situation at site and submit them to the owner for approval To assure smooth construction a chief engineer must consult the owners 35 GZF9003 VIF Wireless Repeater User s Manual concerning all the issues and verify them before the start of construction then formulate scientific reasonable standard secure economical and operative construction organization
35. e BTS In the downlink the TX signal from BTS is isolated from uplink in the duplexer and sent to DET In the duplexer connected with donor antenna part of signal coupled in 50dB will be used by wireless modem Then the downlink signal will be sent to the LNA to be amplified with which the noise figure is still low After that the signal will be filtrated by IF filter which has very high Q value At last it will be amplified again by the high power amplifier HPA After such a progress the power of the signal will reach 0 5W to SW depending on the type of HPA In the uplink the progress of amplifying signal is very similar to the downlink just in different frequency From the input of donor antenna to the output of service antenna the gain of repeater system will usually be 90dB The gain of LNA is about 55 60dB and the gain of HPA is about 50 55 dB Total gain of repeater system can be modified by setting the value of the digital attenuators ATT located in the LNA and HPA The dynamic range of ATT is more than 60dB GZF9003 VIF Wireless Repeater User s Manual Donor Service antenna antenna TX 50dB RF signal flow Monitor amp Control flow gt gt Abbreviation DLX Duplexer LNA Low Noise Amplifier BCS Band Selective Module HPA High Power Amplifier 2 2 Product Features 1 Excellent RF indices Based on her insight into GSM system WRI Hongxin has incorporated the GZF9003 VIF Repeater as a par
36. e construction Organize and arrange the construction by all units according to the Engineering Design Specifications for Construction and Service Specifications for Construction Formulate the schedules for construction guide and standardize the execution of the engineering by the construction units solve problOMC at the site ask construction units to assist quality control engineers and debugging engineers to conduct quality control and debugging control and check daily progress Engineering supervisor is responsible for chief engineer He must report construction schedule to chief engineer and is not allowed to execute the schedule until it is approved Engineering supervisor must report progress of the construction to chief engineer every day Security Inspector responsible for the security of the constructions including checking of the certificate for operation at high places and electrician s certificate all problOMC in operation at high places construction of the works with potential danger and safe lighting QC responsible for quality control of the construction Inform Party A and the owners of the requirements for system inspection and acceptance control the process for the whole construction strictly check the operation and construction of the works according to the cable laying standard and construction specifications of Party A or Supervisor Inform Engineering Supervisor in written forms of the disqualification in the engin
37. e done a Input power of main equipment Receiving power from BTS GZF9003 VIF Wireless Repeater User s Manual BTS Service Antenna BTS Wireless Repeater Index receiving power of donor antenna shall be higher than 75dBm b Diagram of output power test of main equipment downlink BTS Service Antenna Donor Antenna Spectrum Analyzer Attenuator Wireless Repeater c Noise figure test of the system Wireless Repeater 6 2 3 Implementation of System Test GZF9003 VIF debugging GSM GZF9003 VIF Wireless Repeater User s Manual Signals received within outdoor coverage system by donor antenna shall be tested with spectrometer to ensure quality of signals received and that strength of signals meets requirements of index reaching 85 55dBm Downlink Signal which is amplified in the repeater should be measured at the antenna port which is connected with service antenna the signal power shall be 27 37dBm based on the type of downlink PA Uplink signal received by service antenna shall be measured by spectrometer after it pass the service antenna to ensure whether itis good enough to be amplified the power value shall between 85 55dBm Uplink signal which is amplified in the repeater shall be measured by spectrometer in the antenna port which is connected with donor antenna The value shall be 27 33dBm based on the type of uplink PA Downlink output shall be measured by spectrometer
38. ea and route map and statistic report list of such data as RxQualSub Handover and Cell Reselect data Issues in suspension in project it is required to clarify in detail issues unspecified in the project GZF9003 VIF Wireless Repeater User s Manual 7 System Maintenance It is unnecessary to shut down the equipment without special need once the equipment is put to use Therefore equipment must be used in ventilated and clean environment avoiding dust from entering the equipment consequently causing damage The equipment must be shut down immediately for maintenance once abnormities incur such as noise from module increases or odor appears Check if the antenna fails to receive signal due to the change of angle when the signals can no be received or received poorly while the equipment is found to work with normality Adjust antenna and re fix it when it is found with changed angle When the equipment is working normally do not touch the joints between equipment if not necessary so as to prevent joints from getting loosened and improperly contacted When equipment fails user must turn it off and notify our company It is not allowed to take apart the joints between the equipment or to turn on the equipment to avoid accident Please contact WRI Hongxin Co if you have any questions GZF9003 VIF Wireless Repeater User s Manual 8 Precautions The products of our company have been tested and aged before delivery so as
39. eering or potential trouble and ask him to revise All the written notice for modification must be handed in to chief engineer after the construction is finished as a basis for evaluation of the construction units Project Coordinator responsible for the coordination of everything at the construction site such as taking the equipment 34 GZF9003 VIF Wireless Repeater User s Manual 2 3 and arranging the entrance of the transportation equipment entrance permits of all persons water and power for construction communication with Party A concerning the arrangement for construction also responsible for logistics He is responsible for chief engineer Material Manager keep and control the material during the construction Coordinate control and distribute all materials for construction Buy the material and solve the problem of urgent needs of the materials He must manage the material in good order Progress of Construction To assure the progress of construction a reasonable arrangement for progress of construction must be made to ensure an orderly construction In the course of construction it is required that progress of construction must be controlled with good follow up in addition to strict and reasonable arrangement of the progress of construction Predict analysis and solutions on key and difficult issues in various phases of construction Predict and analyze possible key and difficult issues in various phases of constru
40. ermit they should make an on site survey together with the relevant persons of the user 5 2 4 Installation Tools Installation tools include electric percussion drill iron hammer pulley rope safety belt safety hat ladder screwdriver hacksaw knife pliers spanner compass tape tweezers electric iron etc 5 2 5 Technical Documentation The installation technicians should keep on hand and read in advance such documents as Project Design Document Equipment Installation Specifications and User s Manual for the GZF9003 VIF Wireless Repeater 5 3 Installation Conditions 5 3 1 Basic Installation Conditions The GZF9003 VIF Repeater is designed to work indoor under the temperature 25 C 55 C and relative humidity lt 95 so it can work in the indoor natural environments at most areas The following basic conditions should be ready before installation 1 220V AC or 48V DC power is available According to user s requirement He WRI GZF9003 VIF Wireless Repeater User s Manual 2 A grounding bar is available nearby 3 There are appropriate buildings iron towers or high poles to service antenna 5 3 2 Recommended Environment Requirements 1 The first choice is wall mounting in a room that is cool dry well ventilated provided with fire control facilities free from corrosive gases or smoke and water tight on the roof with the electromagnetic interference field intensity less than 140dB uv m 0
41. g to designed elevation and be adjusted well with its level Fill the cement under the plate There should be no oil paint on the flange plate to maintain good electric contact The connection bolts should be all fastened Sufficient measures should be taken to avoid looseness Stay wire should be adjusted to reach the vertical degree specified in the design Tower shoe should be installed at the position required in the 60 GZF9003 VIF Wireless Repeater User s Manual design Pilot assembly must be made before the installation of tower combined in separate parts The deviation of screw aperture position must be less than 2mm Effective lightning conductor must be installed in iron tower GZF9003 VIF Wireless Repeater User s Manual 6 Site Opening amp Debugging Site opening work flow chart 1 Follow up record list Installation Completion 2 Proposal design Quality check for installation process VSWR test 2 Waterproof check Quality check of antenna feede arrest check 1 Form of quality check and acceptance 2 Form of process check and acceptance 3 Grounding and lightening Equipment test 1 Project of system test System test 2 Report of system test 3 Report of equipment test 1 Job guidance for equipment test 2 Project of equipment test 2 Route test Network optimization 1 Control of antenna power 3
42. gure 5 5 3 fasten canopy and attached staple bolt on embracing pole with bolt M12X60 GB5870 86 flat washer 12 GB97 1 85 and spring washer12 GB93 87 Step 2 As shown in figure 5 5 3 fasten bracket A and B of canopy on installation platform based on actual conditions of project GZF9003 VIF Wireless Repeater User s Manual IV Installation Mode for Canopy on Wall figure 5 5 4 Scheme of installation 49 Wr at GZF9003 VIF Wireless Repeater User s Manual S N Coding Name Quantity Remark 1 Canopy including accessories 1 2 GB817 85 Panhead bolt M5 X 10 2 3 Steel expansion bolt M5 X 60 2 4 Steel expansion bolt M12 X 110 2 table 5 5 4 Details for installation scheme Installation Instruction Step 1 As shown in figure 5 5 4 firstly bore four holes on wall for installation with Churn Drill hammer size of which is the same as that of installation hole for canopy Step 2 Remove staple bolt and Pedestal I from the canopy Step 3 As shown in figure 5 5 4 put four steel expansion bolts and expanding pipes into bored holes then put nuts onto steel expansion bolts and screw them down tightly 5 6 Antenna Feeder Installation The GZF9003 VIF Repeater should be connected to the set of antenna feeder system itis the service antenna connected to the service interface The requirements for the installation of the antenna feeder system of the GZF9003 VIF Repeater are the
43. h those prior to coverage results of which shall be adopted as evaluation basis for check and acceptance to be conducted by the owner Test instrument spectrometer Pilot premier test software Notepad Mobile phone to be tested GPS and digital camera c Content for test Location and panorama of project Data shall be collected by means of GPS and digital camera Test of coverage quality within coverage area GZF9003 VIF Wireless Repeater User s Manual Premier software for dialling test shall be used to test route coverage and coverage peripheries shall be tested Field strength of coverage Premier for data test shall be adopted to test field strength within area tested basis of which shall be plan design standard or standards set by the owner As for indoor coverage design signal strength received by mobile phone tested is normally no less than 65dBm within 85 of area coverage and no less than 75dBm within 9096 of area coverage any spots in coverage in principle and field strength of coverage shall meet standards specified in design plan and set by the owner Speech quality lt 4 grade within 95 of the total Access success ratio within wireless coverage it is required that mobile station may be switched to network in 9596 of the positions of cover area and 99 of time limit Data collection of equipment room of base station It is necessary to understand and make statistics on data of signal source base station
44. he holding pole for the donor and service antennae determine the types metal sheet room and house of bricks of the equipment solar protection as well as the sizes Determine if there are any special requirements for the main equipment or feed line of antenna such as the area with frequent lightening based on the local climate 5 Re arrangement of data Standardized reconnaissance data shall be good for formulating design plan and good for filing and checking of the files of works Therefore all the testing data must be filed after the collection and testing As for the panorama testing data it must be analyzed and corresponding reconnaissance report shall be filled in after their re management 5 1 2 Engineering Design Purpose to provide detailed reasonable and feasible solutions for the works so that a complete plan shall be readily available for construction The reasonableness of the design plan shall decide the control on progress of the works and quality control of the works The defective design plan shall delay the progress of works harm the quality lead to the increase in cost and potential danger for construction Therefore considering the actual situation of construction in various places we require that when formulating and verifying a design plan of works we must make full analysis in the aspects of technique organization management and economy comprehensively to assure the technical 32 GZF9003 VIF Wireless Repe
45. in a 90 right angle The curvature radius should be more than 130mm If ground wires of antenna bracket and ground wires of feeder line 55 dic URI GZF9003 VIF Wireless Repeater User s Manual are connected with the lightning conductor on the roof inversed funnel that is distiller should not be shaped and the direction of the funnel must be downward The terminal grounding points of ground wires of antenna bracket fall in the ground net or the lightning net nearest to the antenna bracket They should not be connected into houses Indoor ground wires should not be connected with the lightning net on high positions such as the outdoor roof Ground wires put in PVC pipe should be fixed in the same principle with that of radio frequency cable laying When they are placed in wire casing the fastening interval for wire casing is 0 3M 5 7 1 2 Connection of Ground Wires Ground wires between equipment and users feeder lines user antenna brackets and grounding row are sub ground wire connected with 16mm2 copper cored rubber cable Ground wires between grounding row and ground net or indoor antenna bracket and ground net are bus ground wires connected with 35mm2 guide lines Sub ground wires should be connected with grounding pole of the equipment case using 60Alug Sub ground wires should be connected with supplier user antenna bracket and grounding row using 200Alug Bus ground wires should be connected with grounding
46. in calibrated testing system 7 Set the output level of vector network analyzer as Lin max 8 Use vector network analyzer to measure in band ripple 4 3 7 Voltage Standing Wave Ratio 1 Connect testing system according to the real line in figure 4 3 2 2 Shut down reverse link while measuring forward link and shut down forward link while measuring reverse link 26 GZF9003 VIF Wireless Repeater User s Manual 3 Set the output level of vector network analyzer as the maximum input level of repeater 4 Setrepeater gain to its maximum 5 Use network analyzer to measure VSWR of the operating band at the connected port 6 Other ports shall be tested in the same method Ka D N 2 Lee 3 d 3 o ES z D q E ie 8 Q o gt figure 4 3 2 4 3 8 Spurious Emission 1 Connect the testing system according to the figure 4 3 1 2 Shut down reverse link while measuring forward link and shut down forward link while measuring reverse link 3 Set repeater gain to its maximum 4 Set the start frequency stop frequency and corresponding RBW value as required in the test 5 Measure the spurious emission of this frequency band with spectrum analyzer 4 3 9 Uplink SNR GZF9003 VIF Wireless Repeater User s Manual T 4 3 10 Group Time 1 Connect the testing system according to the real line in figure 4 3 1 Shut down the forward link Set repeater gain to its maximum Set the frequency of
47. ks be correct correct connection with power supply to provide safety and reliability Cable laying ensure cables are laid smartly waterproof treatment of connecter is sound and lightening arresting measures are adopted Marks Correct and easy for examining 63 GZF9003 VIF Wireless Repeater User s Manual Connection Correct and secure Wiring Secure connection sound fastening straight smart and reasonable wiring to which big elbows shall not be allowed wiring shall be fastened with clips or bandage Grounding Sound grounding of antenna feeder and mainframe which complies with three points grounding It OMC mentioned above shall conform to construction process hereto Rectification and improvement shall be made if requirements above are not satisfied till improvements conform to construction specifications and requirements presented by the owner 6 2 2 Implementation of Equipment Test Efforts shall be made to ensure whether performance index of equipment is affected or not in process of transportation and installation and signal source is checked Check shall be conducted on signal source donor antenna or wired coupling to see whether it works normally or the transmission hits targets Equipment test main equipment shall be powered on for line up through which Owner s requirements on various index shall be satisfied to ensure minimum interference to the system from the main equipment meanwhile records shall b
48. lloy UV Protected ABS Diameter of Installation Pole 50 0114 mm GZF9003 VIF Wireless Repeater User s Manual 3 4 3 Yagi Antenna i 111 l LJ Directional Yagi antenna usually works as service antenna to offer directional coverage to appointed area Electrical Specifications Frequency Range 890 960MHz Band width 70 MHz VSWR 1 5 Input Impedance 500 Gain 10dBi Front to Back Ratio 14 5dB Polarization Type Vertical or Horizontal Beam width 49 Max Power 150W Lightning Protection DC Ground Connector Type N Female Mechanical Specifications Number of Element 9 Element Length 908mm Weight 647g Rated Wind Velocity 210km h Diameter of Installation Pole 945 950 mm 19 GZF9003 VIF Wireless Repeater User s Manual 3 4 4 Short Backfire Antenna pdB 90 ap 0 For its high gain short backfire antenna is usually used as the donor antenna of wireless repeater Electrical Specifications Frequency Range MHz 824 896 870 960 VSWR lt 1 35 Input Impedance Q 50 Gain dBi 17 Polarization Vertical or Horizontal Half Power Horizontal Beamwidth 25 Vertical Horizontal Beamwidth 3dB 17 First Upper Side Lobe Suppression dB 17 Front to Back Ratio dB 30 Max power W 200 Lightning Protection DC Earthing Connector N type Female Mechanical Specifications Diameter m 0
49. n the M amp C board maintains the normal running of the system in case of power off and sends a power off alarm to the OMC center and supports monitors or resets wireless Modem the LED indicator and MIC switch interface provide onsite maintenance without tools and the serial interface of the portable computer is connected directly to the system to provide a more convenient local M amp C means Structure The integrated system is made of aluminum alloy and its surface is treated with advanced technique to ensure excellent EMC performance and anti corrosion performance the integrated GZF9003 VIF repeater is tightly sealed so that its anti rainfall strength is up to 3mm min GB4785 84 and its anti splash strength is up to 3m s water speed water tight rubber spacers service life 10 years are used between the bottom housing and the top cover the leakage rate is 1 0Pa emie GB2423 23 submersion method the dust preventing capability is up to 10mg m particles floating and 3 0mg m particles falling GB4795 84 To prevent local temperature rise of the housing resulting from direct sunshine in summer the repeater is designed with an integrated sun shield and with the latest patent coating technique 5 Reliability Industrial level components are used which can sustain an environmental temperature range of 25 C 55 C so that the product can work reliably in a wide range of environments the power supply of the integrated system
50. ncy Wireless repeater of mobile communications is an important tool to expand network coverage reduce network cost and realize network optimization Wireless repeater of GSM mobile communications is meant to amplify communication signal extend network coverage to improve communication quality by amplifying some weak received signals and expanding the signal coverage and to distribute traffic load in various base stations with efficiency In the course of network optimization wireless repeater of GSM mobile communications offers a wide variety of application In some areas such as shopping centre modern hotel supermarket and office building or other dead zones or shadow areas formed due to the natural or human obstacles such as large buildings tunnels or underground stores wireless repeater of GSM mobile communications shall be the most economical and reasonable solution to the effective coverage of these networks since these areas are demanding a greater coverage rather than capacity GZF9003 VIF Wireless Repeater User s Manual Wireless repeater of GSM mobile communications is cheap with easy installation It will greatly reduce the investment in equipments and running cost to expand the network by wireless repeater GZF9003 VIF wireless repeater provides operators with multiple solutions that can save the investment in equipments and running maintenance cost without lowering the network quality As a supplement to GSM base stations
51. nding earth resistance of all the grounding nets should be less than 50 For places where the thunderstorm days per year is less than 20 days their grounding earth resistance may be less than 100 For details refer to the grounding criteria of repeater system 57 dic URI GZF9003 VIF Wireless Repeater User s Manual 5 7 2 Power Supply Connection For the GZF9003 VIF Repeater not requiring standby power supply the 48V DC or 220V 50Hz AC power can be led in directly from the power outlet The power inlead should be 2mm conductor shorter than 30 m Note To ensure personal safety make sure to disconnect the external contactor before connecting 220VAC power supply to the equipment and take care never to work in rainstorms 5 7 2 1 Power Cable Laying and Installation of Power Supply Power supply without stable voltage of its transmission line system is required to have a mainstay For input power supply of equipment live wire zero line and ground wire must be correspondingly connected Dielectric resistance between cable cores and between cable cores and ground should not be less than 1M Ohm Alternating current 220V power supply wires adopt 2 5mm2x3 rubber kicking Power supply wire should not be tied together with other cables Cable laying of Power supply should be put in PVC pipe straight and vertical If power supply wire needs to go through wall the parts in the wall must be added with PVC pipe or corrugated pipe f
52. of report of completion drawings of completion final account of completion construction summary and other necessary documents it will be proper to submit application for inspection and acceptance to the construction unit to perform inspection and acceptance according to process The process is Re arrange various reports and files Organize inspection and acceptance authorities organize inspection and acceptance committee or team in accordance with the construction scale and relation Re arrange all kinds of technical documents Perform self evaluation of the construction quality Submit completion report to construction unit for inspection and acceptance Preparations for completion inspection and acceptance Completion and acceptance process is a key to on time completion qualification and acceptance by the construction unit To assure the smooth inspection and acceptance of the construction it is required that construction must be performed step by step according to the general requirements of the plan The following preparations are included before inspection and acceptance Continue to perfect self examination and properly handle the ending work Ending work shall appear at the period close to completion of 37 GZF9003 VIF Wireless Repeater User s Manual construction while some sporadic unfinished work will come out Ending work is sporadic spattered small in scale and widely spread If they are not finished in time the
53. or as the central working frequency of repeater 4 Setrepeater gain to its maximum 5 Adjust the output level of signal generator until the output of repeater reaches its maximum The maximum gain of repeater is the difference between the output power of repeater and the output power of signal generator 4 3 3 Auto Level Control ALC 1 Connect testing system according to the real line in figure 4 3 1 2 Shut down reverse link while measuring forward link and shut down forward link while measuring reverse link 24 GZF9003 VIF Wireless Repeater User s Manual 3 Set the output frequency of signal generator as the central working frequency of repeater 4 Set repeater gain to its maximum 5 Adjust the output level of signal generator until the output of repeater reaches its maximum 6 Increase the output level of signal generator by 10dB measure the output power of repeater with spectrum analyzer ALC value is the difference between this value and maximum output power 4 3 4 Gain Adjustment Range 1 Connect testing system according to the real line in fig4 3 1 2 Shut down reverse link while measuring forward link and shut down forward link while measuring reverse link 3 Setrepeater gain to its minimum 4 Adjust the output of signal generator until the output of repeater reaches its maximum 5 Measure the output level of repeater with spectrum analyzer Minimum gain is the difference between this value and the outpu
54. or protection and the hole on the wall must be sealed with fireproofing clay The fixed interval of horizontal vertical wiring of power supply wire in PVC pipe is 1 meter and the interval of wiring in 100x40 wire casing is 0 3 meter Power supply wire between equipment and distribution case can be cut off No plug needs to be used The terminal can be directly 58 dic URI GZF9003 VIF Wireless Repeater User s Manual connected to creepage prevention switch For example if power supply wire is not long enough more wires can be connected with it but live wire zero line and ground wire must be connected in separate points and soldered with soldering tin The section to be soldered should first be packed with electric adhesive plaster and be closed in pyrocondensation pipe When connecting power supply full preparation for safety should be made to ensure absolute body safety 5 7 2 2 Installation of Power Supply 5 8 Installation tower Requirements for power supply connection of solar repeater First connect the charging controller with circuit of accumulator then connect solar plate with the circuit of the charging controller Power supply in solar repeater requires to be installed in places with long time and sufficient sunlight Whether power supply in solar repeater should be installed in the south facing the north or in the north facing the south depends on local conditions of Embracing Pole amp Antenna
55. pective works can be generally classified into reconnaissance design construction self inspection start inspection and acceptance as well file re arrangement 5 1 1 Reconnaissance of Works Purpose detailed reconnaissance of works can bring the design plan closer to real works and can endow the design with more rationality and technical feasibility to generate convenience for the construction at middle phase and the start and inspection and acceptance in the later phase Organization flow 1 Collection of data The data collected during reconnaissance are classified into natural environment data and mobile signal data based on the characteristics of the coverage of mobile communication 1 1 Natural environment data General environment including the general environment in the coverage area such as height of buildings geographic location flow of people good for analyzing call numbers inside the buildings structure of the buildings and other information Local environment service area of each building length and width layout of each floor local characteristics positions of passages and so on 1 2 Environment for wireless signal The detailed data collection on the wireless environment in the coverage area shall bring convenience for design plan making to rationally control the position of antenna and output power of the antenna and also control switching during design to avoid any modification after the start of the construction d
56. pring washer 8 4 9 GB93 87 Spring washer 12 6 10 Steel expansion bolt M12X110 6 table 5 5 2 Details for installation scheme Installation Instruction Step 1 As shown in figure 5 5 2 firstly bore six holes on wall for installation with Churn Drill hammer the size of which is the same as that of installation hole for bracket Step 2 As shown in figure 5 5 2 put six steel expansion bolts and expanding pipes into bored holes then fit bolts over the installation hole on bracket as well as flat washer and spring washer at last put nuts onto bolts and screw them down tightly Step 3 As shown in figure 5 5 2 remove down panel of equipment fit four M8X25 bolts GB5780 86 over the installation hole of equipment the installation hole of bracket flat washer and spring washer in turn and fasten them with nuts for connection Step 4 As shown in figure 5 5 2 install up and down panels and connect earth wire for equipment with ground reliably GZF9003 VIF Wireless Repeater User s Manual Ill Installation Mode for Repeater Canopy on Embracing Pole figure 5 5 3 Scheme of installation S N Coding Name Quantity Remark 1 Canopy including accessories 1 2 GB817 85 Panhead bolt M5 X 10 2 3 GB5870 86 Screw bolt M12 X 60 2 4 GB97 1 85 Flat washer 12 2 5 GB93 87 Spring washer 12 2 table 5 5 3 Details for installation scheme Installation Instruction Step 1 As shown in fi
57. rtment 5 4 2 Unpacking Inspection Open the packing box if it is intact Handle with care to avoid damaging anything After the packing box is opened check whether the goods inside match the packing list and whether the packing list matches the inspection list in the Unpacking Inspection Report If any goods are wrong or missing or if the outer package is damaged seriously find out the cause and report to the relevant department After unpacking inspection fill out the Unpacking Inspection Report Both parties shall sign the Report and then the goods shall be handed over to the user Each party shall hold one copy of the Unpacking Inspection Report and the project supervisor should feed back the Inspection Conclusion within seven days to the vendor for documentation 5 5 Installation of the Main Chassis of the GZF9003 VIF Repeater Mounting on an embracing pole or wall The GZF9003 VIF Repeater is attached with such installation fittings as installation board and fixing pieces The chassis of the GZF9003 VIF Repeater can be mounted either on the wall or on a high pole The bottom of the equipment is usually about 1 2 m above the ground I Repeater Installation Mode of Bracket on Embracing Pole URI GZF9003 VIF Wireless Repeater User s Manual figure 5 5 1 Scheme of installation 44 s Bu HH UB mlt GZF9003 VIF Wireless Repeater User s Manual S N Coding Name Quantity
58. s must be sealed with self adhesive waterproof 54 GZF9003 VIF Wireless Repeater User s Manual tape and electric isolating tape 5 7 Grounding amp Power Supply Connection 5 7 1 Equipment Grounding The GZF9003 VIF Repeater must be grounded properly On the sides of the main chassis of the GZF9003 VIF Repeater are grounding bolts which are connected to the ground with 2mm or thicker copper wire The grounding cable should be as short as possible 1 For installation on an iron pole the grounding cable of the equipment is usually connected to the iron pole iron tower The grounding resistance R of the iron pole should be less than 10 O and the grounding junction pieces should be protected from corrosion 2 For installation on the wall the grounding cable of the equipment is connected to the integrated grounding bar The grounding resistance R of the grounding bar should be less than 5 O and the grounding junction pieces should be protected from corrosion 5 7 1 1 Cable Laying of Ground Wires Bus ground wires should be of 35mm guide line and sub ground wire of 16mm guide line Ground wires must be protected in PVC pipe or placed in wire casing straight vertical with decoration concerned f ground wires go through the wall the part in the wall must be put into PVC pipe or corrugated pipe for protection and the hole on the wall must be sealed with fireproofing clay Ground wires should not go
59. similar to those for the BTS with the differences described below For more information please read the requirements for the installation of the BTS antenna feeder system refer to Installation Manual for GZF9003 VIF GSM Wireless Repeater 5 6 1 Laying Cables The models specifications direction and positions of the laying of the cables of the equipment must comply with the requirements It is prohibited to unroll the cable at random from the center No twist knotting or winding are allowed 50 GZF9003 VIF Wireless Repeater User s Manual When laying the cable the cable must be unrolled from the cable reel radially step by step in relaxed way It is prohibited to unroll the cable at random from the center It is prohibited to unroll the cable at random from the center No twist knotting or winding are allowed No surge or dog leg are accepted Cables must be lined in good order to reduce curves If they must be bent the bending radius must meet the following requirements Linear diameter Second time bending First time bending radius radius Feed line must fix with laces L type base of feed line and wave guide card with single double hole partition code and PVC tube The table for the fixed distance is as follows mr 1 2 feed line 21 2 feed line When placed 1 0m 1 5m horizontally In the areas like a machine room and passages where cables are exposed cables must be protected with sleeves
60. t of signal generator The difference between maximum gain and minimum gain is Gain adjustment range 4 3 5 Gain Adjustment Step Length amp Error 1 Connect testing system according to the real line in figure 4 3 1 2 Shut down reverse link while measuring forward link and shut down forward link while measuring reverse link 3 Set the output frequency of signal generator as the central working frequency of repeater 4 Setrepeater gain to its maximum 25 GZF9003 VIF Wireless Repeater User s Manual 5 Adjust the output of signal generator until the output of repeater reaches its maximum 6 Measure the output power of repeater with spectrum analyzer 7 Decrease repeater gain by step Use spectrum analyzer to measure the output power for every step length decrease of repeater and record it until repeater gain reaches the minimum 4 3 6 Ripple In Band 1 Connect testing system according to the real line in figure 4 3 1 2 Shut down reverse link while measuring forward link and shut down forward link while measuring reverse link 3 Set the output frequency of signal generator as the central working frequency of repeater 4 Setrepeater gain to its maximum 5 Adjust the output level of signal generator until the output of repeater reaches its maximum i e the output of signal generator IS Lin max 6 Connect testing system according to the real line in figure 4 3 1 the dotted line is a figure showing the connection
61. t of the GSM mobile communications system in designing the system indices of the product to make sure that the RF links are transparent and unblocked for adequate absorption of traffic And ensure the excellent performance of the RF links though proper allocation of the indices of the RF parts and the powerful optimization capability of the RF system And also make the integrated system have excellent GSM parameter features through analysis careful designing and strict control of such key parameters as noise characteristics uplink downlink transmitting power coverage range uplink and downlink balance out of band suppression and group time delay What s more a number of technologies have obtained patents in China FiberMome Technologies GZF9003 VIF Wireless Repeater User s Manual 2 Module design Module design is the development trend of system design and makes it easier for upgrading and maintenance To meet market demands WRI Hongxin has developed a flexible and effective series repeater module system through meticulous system certification unit analysis rational division of modules and proper index analysis thus paving the way for the flexible arrangement of multiple types of machines Interior monitor and control M amp C The interior M amp C module of the GZF9003 VIF Repeater is the control core of the whole repeater and implements four functions detection control communication and alarming The standby battery o
62. ter User s Manual 5 Construction Process 5 1 Construction Flow In light of the status of the construction at the early stage and current new requirements on the construction from the operators the following specifications for the organization and execution of the project construction are formulated to ensure the quality of the construction and to establish a reputable image of WRI Hongxin Corp all over the country while all the standards set by the operators are under simultaneous execution The following organization flow must be observed for the execution of a single respective construction works The general working flow of the GZF9003 VIF Repeater is shown in figure 5 1 Accepting Task for Site Reconnaissance Form of Report of Project EE Reconnaissance Status Site Reconnaissance Reconnaissance Design of the P lan of Proposal Design the Works Design confirmation TT Construction of works Report of Project Execution Report on Completion Completion of Works Start in Steady Operation Application for Inspection Report of Inspection Completion data and Acceptance 30 FiverMome GZF9003 VIF Wireless Repeater User s Manual figure 5 1 The general working flow of the GZF9003 VIF Repeater Based on the above figure the organization flow of res
63. the port for uplink power detection has a coupled value of 50dB the other port for wireless modem has a coupled value of 20dB For the duplexer near the service antenna only one 50dB coupler port will be provided for downlink signal power detection Donor Duplexer ANT Donor Antenna RX Uplink PA RF OUT TX Downlink LNA RF IN GZF9003 VIF Wireless Repeater User s Manual Wireless Modem Coupling Wireless Modem Coupling RX 50dB DET RF2 Service Duplexer ANT Antenna RX Uplink LNA RF IN TX PARF OUT Coupling TX 50dB DET RF1 1 Frequency Range Downlink 890MHz 915MHz Uplink 935MHz 960MHz 2 Power Capacity 2100W 3 Out band suppression 935MHz gt 70 dB 915MHz gt 70 dB 925MHz gt 30 dB 980MHz gt 30 dB 880MHz gt 30 dB Group Time Delay 150ns Max in band Ambient Temperature 40 70 Connector Type SMA Female Ambient Humidity lt 95 Non condensing Booz 3 1 2 Downlink PA amp Uplink LNA as D 930MHz 960MHz ALC Auto Level Control 5W intergrated module downlink PA amp uplink LNA Label HXLNAPA945 30 35H01 A 945 means the central frequency of working band 30 means bandwidth 35 means designed output power is SW FiberMome Technologies GZF9003 VIF Wireless Repeater User s Manual 3 1 3 RFF1 2 50 Cable Q Electrical Specifications Impedance Q 50 1 Max Work Frequency MHz 3000 RF Peak Voltage kV 1 39 Peak Rating Power kW 19
64. ue to the defective coverage During reconnaissance each works must contain the following wireless information information on the nearby base station position frequency sub area code signal coverage of each floor 1 3 Testing methods Digital camera can take the pictures of the panorama and local view of the typical position in coverage area GPS locator collect the longitude and latitude of the coverage area and station Ruler measure the acreage length distances between the emitting 31 GZF9003 VIF Wireless Repeater User s Manual suppliers Panorama Testing by panorama testing and scientific method collect the accurate wireless signal in the coverage area to provide detailed and authentic data for design of the works 2 Location of stations determine the location of the equipment station after the coordination with construction units or realty owners according to the types of repeaters The location of the stations must be fixed in view of convenience for construction and meeting the conditions of the works 3 Introduction of power sites with proper AC power supply shall be chosen with priority according to the site environment the length of power introduction cable should not exceed 1000m considering the attenuation and solar power shall be chosen if there is no AC power available near the coverage station 4 Choice of fundamental construction mainly for outdoor works determine the model and length for the type of t
65. upermarket and office building airport stations apartment building and dead zones and shadow areas of mobile communication 1 3 Major Features of the Equipment 1 Use filter with high selectivity and low insertion loss and multi grade filter technology to enhance the isolation between uplink and downlink 2 Filter s bandwidth is adjustable 3 No interference to the base station and other radio equipments with low noise for the system proper linearity and high power 4 Ensure normal working of the repeater under tough environment with automatic level control ALC function 5 Unique wireless digital transmission and remote monitoring system with various ways of monitoring and convenience for network maintenance 6 Modularized design facilitates assembly and maintenance 7 Equipped with perfect network management system and friendly operation interface as well highly reliable operation and failure treatment capability 8 When monitoring center has not been established technicians can monitor set modify the parameters of all the modules of GSM repeaters and easily collect equipment warning information via local PC Once the repeater fails OMC can immediately send warning information to designated mobile stations or phones at dic URI GZF9003 VIF Wireless Repeater User s Manual will 9 When monitoring center has been established technicians can monitor and control repeaters by OMC software in monitoring center
66. y can influence the completion inspection and acceptance of the construction According to our experience for completion of construction we must properly handle the ending work in view of the new projects and sort out the ending work to eliminate them Operation of self examination of construction at opening of the construction all that are related to the coverage of the construction must be checked Usually the following index and data must be understood coverage rate call quality drop off rate switch and requirements from the construction unit It is requested that all the construction processes must be thoroughly checked one by one according to the processes and drawings Once any omissions are found and need making up operation plan must be made right on spot to arrange rational construction for modification The system shall be opened once it is confirmed to be qualified and shall start pilot operation for a period of time depending on actual situation in various places Preparations for data of construction completion The data and documents for construction completion are the major files that display the overall information on the construction and will be helpful for the future maintenance and repair The data and documents for construction completion include the following Reconnaissance report design plan plan design evaluation sheet bill of materials record of equipment installation and debugging record of inspection and

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