Fair access rate (FAR) provisioning in multi-hop multi-channel wireless mesh networks

Hoblos, Jalaa; Peyravi, Hassan

doi:10.1109/icumt.2010.5676656

Cited by 5 publications

(1 citation statement)

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“…To achieve fairness, the authors in [15] proposed a method to assign variable transmission rates to relay nodes based on their aggregate Erlang-B blocking probabilities. They regulated traffic flows to the gateway in such a way that achieved fairness.…”

Section: Previous Workmentioning

confidence: 99%

Fairness enhancement in IEEE 802.11s multi-hop wireless mesh networks

Hoblos

2011

2011 IEEE 13th International Conference on Communication Technology

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Wireless mesh network (WMN) is a practical and cost effective solution for home and business networks. However, in multi-hop wireless mesh networks, the throughput decays significantly with an increase in hop counts. This is primarily due to the increase in successive spatial contentions. As a result, flows with longer hops from the gateway suffer from bandwidth starvation and fair link access disparities. In this paper, we show that the packet size and the minimum contention window size (CW ) play an essential role in improving fairness in multi-hop WMNs. Based on their location in the network and their traffic load; nodes may adapt different packet sizes and various CW s to improve their throughput. We present a Fair Share Algorithm (FSA) that assists each node in computing a fair packet size and a fair CW . We demonstrate that the FSA accomplishes considerably better fairness with minimal negative affect on the overall system throughput. The algorithm results are evaluated and compared with the performance of the default IEEE 802.11 MAC protocol used in wireless mesh networks.

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Section: Previous Workmentioning

confidence: 99%