Throughput Modeling and Analysis of IEEE 802.11 DCF with Selfish Node

被引：3
作者：
Liu, Chunfeng [1 ]
Shu, Yantai [1 ]
Yang, Wucheng [1 ]
Yang, Oliver W. W. [2 ]
机构：
[1] Tianjin Univ, Dept Comp Sci, Tianjin 300072, Peoples R China
[2] Univ Ottawa, Sch Informat Technol & Engn, Ottawa, ON K1N 6N5, Canada
来源：
GLOBECOM 2008 - 2008 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE | 2008年
基金：
加拿大自然科学与工程研究理事会; 中国国家自然科学基金;
关键词：
IEEE; 802.11; throughput; modeling; selfish node;
D O I：
10.1109/GLOCOM.2008.ECP.253
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Research on the effect of selfish node in wireless ad hoc networks has received considerable attention recently. However, most work concentrates on simulation study, but lacks an analytical study to accurately predict the throughput. This paper investigates the saturated and non-saturated load throughputs of IEEE 802.11 DCF (Distributed Coordinated Function) in the presence of a selfish node. Using a modified Markov model, we have derived the throughput of a node under various traffic loads in the PHY (PHYsical) layer using DSSS (Direct Sequence Spread Spectrum) and the wireless MAC (Medium Access Layer). The analytical model and throughput results have been validated by simulations.
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页数：5
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