Carrier Sensing Interference In Wireless Mesh Network

Muhammad Bukhari, Mohd Mohter (2011) Carrier Sensing Interference In Wireless Mesh Network. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Wireless mesh network (WMN) is one of the topology used in wireless technology that enhanced the capacity and reduced the maintenance. However, interference is believed can be one of the factors that reduce the performance of WMN. Since WMN is using the same channel to communicate with other router, Co Channel Interference (CCI) was believed to affect WMN performance. Besides that, Carrier Sensing Interference was also believed to affect WMN performance with the carrier sensing mechanism such as Carrier Sensing Multiple Access with Collision Avoidance (CSMA/CA) when two traffic links occurred. Combining the two interferences, it is interesting to see which of the interference affected the most of the goodput performance in WMN and which of the effect is dominating by supporting some facts. The main objective is to investigate whether CSI or CCI is more dominate if both interferences occur at the same time in WMN. In this thesis, the experimental test was carried by setting up the test-bed of 16 different cases of interference to analyze the goodput of WMN. The result finding showed that in different protocols has different interference dominate. In the end of this thesis conclude that different protocols have different interference that need to be tackled.

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