Performance analysis of packet dropping probability under error-prone channel in WLAN

CHENG Yuan; ZHANG Yuan; GAO Xi-qi

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Performance analysis of packet dropping probability under error-prone channel in WLAN

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- Performance analysis of packet dropping probability under error-prone channel in WLAN
- Issue 5, Pages: 126-131(2007)
- 作者机构：
  
  1. 东南大学移动通信国家重点实验室
  2. 东南大学移动通信国家重点实验室,江苏,南京,210096
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN925
- Published：2007
- 稿件说明：
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CHENG Yuan, ZHANG Yuan, GAO Xi-qi. Performance analysis of packet dropping probability under error-prone channel in WLAN[J]. 2007, (5): 126-131.
DOI：

CHENG Yuan, ZHANG Yuan, GAO Xi-qi. Performance analysis of packet dropping probability under error-prone channel in WLAN[J]. 2007, (5): 126-131. DOI：

摘要

分析了AWGN(加性高斯白噪声)信道和瑞利衰落信道下无线局域网DCF(分布式协调功能)丢包率性能

推导出差错信道下使得吞吐量最大的最优分组长度闭式解并且证明了最优解的惟一性。研究结果表明

差错信道中不同调制方式和分组长度对丢包率性能有重要影响

根据信道状态调整分组长度能够获得最大的系统吞吐量。

Abstract

The packet dropping probability of DCF in WLAN under AWGN and Rayleigh fading channel was analyzed.The closed form of optimum packet length maximizing the throughput under error-prone channel was derived and the uniqueness was verified.Study results show that both modulation scheme and packet length have a great effect on packet dropping probability under error-prone channel.By changing packet length according to different channel conditions

maximized throughput can be obtained.

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