Wireless Router Analysis

Jan Blatnik (2017) Wireless Router Analysis. EngD thesis.

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Abstract

Concurrent activity of two access points on the same channel is analyzed in this thesis titled Analysis of Wireless Routers. First, wireless network and its workings are described. Most important protocols, frames, the history of 802.11 standard and signal transmissions in wireless networks are described. The third chapter illustrates the Media Access Control techniques which are essential for wireless networks. Used hardware and software are initially described in the practical part of the study. Then scenarios of measurements and their executions are detailed. The fifth chapter lists the results of measurements with explanations. It has been established that access points which are concurrently active mutually influence each other in the way that reduces their throughput. The same access points used under the same conditions share the bandwidth equally. When different access points are used, there is a possibility that one becomes dominant using a larger share of the bandwidth. If there is only the difference of distance to the station between the two access points, the larger share of the bandwidth is used by the one which is closer to the station.

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