publication . Article . 2015

Achievable performance gain of IEEE 802.11 multi-rate link adaptation algorithm with cross-layer design

Tang, Zuoyin; He, Jianhua; Zhang, Yan; Fan, Zhong;
Open Access English
  • Published: 01 Feb 2015
  • Country: United Kingdom
Abstract
Link quality-based rate adaptation has been widely used for IEEE 802.11 networks. However, network performance is affected by both link quality and random channel access. Selection of transmit modes for optimal link throughput can cause medium access control (MAC) throughput loss. In this paper, we investigate this issue and propose a generalised cross-layer rate adaptation algorithm. It considers jointly link quality and channel access to optimise network throughput. The objective is to examine the potential benefits by cross-layer design. An efficient analytic model is proposed to evaluate rate adaptation algorithms under dynamic channel and multi-user access ...
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