Performance of Carrier Sense Multiple Access with collision avoidance protocols in wireless LANs

被引：5

作者：

Kim J.H. ^{[1
,2
,3
,4
]}

Lee J.K. ^{[1
]}

机构：

[1] Data Communication Laboratory, Dept. of Comp. Sci. and Engineering, Hanyang University, Sa 1 dong 1271, Ansan

[2] Communication Research Laboratory, Tokyo

[3] Department of Electrical Engineering, University of California, Los Angeles, CA

[4] Next Generation Netwk. Syst. Eng. D., Bell Laboratories, Lucent Technologies, Holmdel, NJ

来源：

Wireless Personal Communications | 1999年 / 11卷 / 2期

关键词：

wireless LAN; MAC protocol; CSMA/CA; throughput; packet delay; random access;

D O I：

10.1023/A:1018350821500

中图分类号：

学科分类号：

摘要：

The performance of Carrier Sense Multiple Access/Collision Avoidance (CSMA/CA) protocols, which is adopted as a draft standard in IEEE 802.11, is analyzed in the view of throughput and packet delay. We consider three kinds of CSMA/CA protocols, which include Basic, Stop-and-Wait and 4-Way Handshake CSMA/CA, and introduce a theoretical analysis for them. First, we consider that a network consists of a finite population and then expand to an infinite population model. We model the CSMA/CA protocol as a hybrid protocol of a 1-persistent CSMA and a p-persistent CSMA protocol. We calculate the throughput and packet delay for three kinds of CSMA/CA protocols and verify analytical results by computer simulation. We have found that 4-Way Handshake CSMA/CA shows better performance than those of other two type CSMA/CA in high traffic load and analytical results are very close to simulation ones.

引用

页码：161 / 183

页数：22

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