The Limit and Improvement of Communication Distance in IEEE 802.11 Protocol

ZHANG Feng; XIANG Xin; YANG Baoqiang; LIU Xiong; WU Xuxu

doi:10.3969/j.issn.1671-637x.2013.06.019

Journals >Electronics Optics & Control >Volume 20 >Issue 6 >Page 85 > Article

Electronics Optics & Control
Vol. 20, Issue 6, 85 (2013)

The Limit and Improvement of Communication Distance in IEEE 802.11 Protocol

ZHANG Feng^1、2, XIANG Xin¹, YANG Baoqiang¹, LIU Xiong^1、3, and WU Xuxu⁴

Author Affiliations

¹[in Chinese]

²[in Chinese]

³[in Chinese]

⁴[in Chinese]

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DOI: 10.3969/j.issn.1671-637x.2013.06.019 Cite this Article

ZHANG Feng, XIANG Xin, YANG Baoqiang, LIU Xiong, WU Xuxu. The Limit and Improvement of Communication Distance in IEEE 802.11 Protocol[J]. Electronics Optics & Control, 2013, 20(6): 85 Copy Citation Text

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Abstract

The maximum communication distance of main CSMA/CA protocol in present 802.11 communication protocol is only 300 m;and the system performance declines dramatically with the increase of distance over 300 m.The cause for this problem was analyzedand a method of changing ACKtimeout in accordance with the variation of distance was providedwhich improved the performance of CSMA/CA protocol in long distance communication.Simulation was carried out with OPNET softwareand the results showed that in long distance communicationsystem throughput is improved and connected delay is reduced.

Keywords

ACKtimeout CSMA/CA protocol long distance

ZHANG Feng, XIANG Xin, YANG Baoqiang, LIU Xiong, WU Xuxu. The Limit and Improvement of Communication Distance in IEEE 802.11 Protocol[J]. Electronics Optics & Control, 2013, 20(6): 85

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