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Improving Fairness in Wireless Ad Hoc Networks by Channel Access Sensing at Link Layer and Packet Rate Control
Nguyen Minh TUAN Kohei WATABE Pham Thanh GIANG Kenji NAKAGAWA
Publication
IEICE TRANSACTIONS on Communications
Vol.E100-B
No.10
pp.1818-1826 Publication Date: 2017/10/01 Publicized: 2017/04/14 Online ISSN: 1745-1345
DOI: 10.1587/transcom.2016EBP3359 Type of Manuscript: PAPER Category: Network Keyword: fairness, throughput, wireless ad hoc network, channel utilization, dequeue rate, Round Robin, link layer,
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| Errata[Uploaded on November 1,2017]
Summary:
Wireless Ad hoc networks have been rapidly developed in recent years since they promise a wide range of applications. However, their structures, which are based on the IEEE 802.11 standard, cause a severe unfairness problem in bandwidth sharing among different users. This is an extreme drawback because in wireless ad hoc networks, all users need to be treated fairly regardless of their geographical positions. In this paper, we propose a method to improve the fairness among flows by sensing channel access of other nodes based on the information obtained at the link layer and then, controlling the packet sending rate from the link layer to the MAC layer and the dequeue rate from the queue. Simulation results show that the proposed method achieves a better fairness with a good total throughput compared to conventional methods.
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