Troubleshooting Wireless Networks
Contents
1. l P y J network disruptions This work involves example Mobile phones that have WLAN on site analyses that include measurements or Bluetooth activated can also create inter to detect possible sources of interference or to identify overlapping frequency ranges Fraunhofer ESK furthermore offers Awair ference and lead to wireless network outa ges Apart from these two examples there are numerous other causes of temporary D Bluetooth 802 15 4 Microwave If overlooked during planning sporadic sources of interference such as a microwave can suddenly cause network disrup tions Bluetooth activated user devices are another common source of interference g_en PDB_WirelessTroubleshootin Nov20132. Z Fraunhofer ESK FRAUNHOFER INSTITUTE FOR EMBEDDED SYSTEMS AND COMMUNICATION TECHNOLOGIES ESK Fraunhofer Institute for Embedded Systems and Communication Technologies ESK Hansastr 32 80686 Munich Germany Contact Alexander Auer Phone 49 89 547088 365 alexander auer esk fraunhofer de Dr Ing Mike Heidrich Phone 49 89 547088 377 mike heidrich esk fraunhofer de www esk fraunhofer de EN Troubleshooting Wireless Networks Wireless technologies such as Bluetooth and WLAN are gaining popularity in the field of industrial automation In manufac turing processes for instance they provide flexibility reduce the cost and effort asso ciated with cabling and offer new ways to capture and distribute critical information even in mobile environments In addition to implementing flexible communica tion solutions with remote devices when wired connectivity is not feasible wireless networks make it possible to open up new tields of application such as measuring and controlling portable objects while localizing and identifying them Inadequate planning can lead to interference prone networks Compared to wired communication solu tions wireless is subject to much higher le vels of interference from other devices and radio networks in the vicinity Interference tree operation thus calls for adequate plan ning that enables so called coexistence bet ween the various wireless systems in use Coexistence describ
3. es the interference free parallel operation of multiple adjacent wi reless networks Fraunhoter ESK researchers rely on their extensive knowledge in the tield of wireless communication technology to advise companies on the installation and utilization of wireless transmission systems even for critical enterprise applications This includes up front support when selecting Suitable technologies and systems The devil is in the details or permanent wireless network outages a software based solution for carrying out SO O_s which at Tirst glance do not seem logical long term analyses that can uncover sour Because the radio spectrum is a shared ces of sporadic interference communication medium system design P Oe eC ee ee and local conditions can rapidly change Helping to make networks interfe during operation It is not uncommon fora rence free wireless connection to suddenly experience __ liably f an outage despite running reliably tor an Fraunhofer ESK has been actively carrying extended period of time Sporadic outages l P p g out research in the field of robust wireless can be caused by a microwave that uses _ transmissions tor more than four years The frequencies in the Bluetooth or WLAN E institute utilizes this expertise to help cus range and which is located in the vicinit J y tomers troubleshoot the causes of wireless of a production system just to name one l
Download Pdf Manuals
Related Search