Improving Spatial Reuse in Multihop Wireless Networks-A Survey

被引：63

作者：

Alawieh, Basel

Zhang, Yongning ^{[1
]}

Assi, Chadi ^{[2
]}

Mouftah, Hussein ^{[3
]}

机构：

[1] Univ Waterloo, Waterloo, ON N2L 3G1, Canada

[2] Concordia Univ, CIISE, Montreal, PQ, Canada

[3] Univ Ottawa, Sch Informat Technol & Engn, Ottawa, ON K1N 6N5, Canada

来源：

IEEE COMMUNICATIONS SURVEYS AND TUTORIALS | 2009年 / 11卷 / 03期

关键词：

IEEE; 802.11; carrier sensing; power control; rate adaptation; directional antennas; TOPOLOGY-CONTROL; POWER-CONTROL; HOC NETWORKS; MEDIUM ACCESS; MAC PROTOCOL; IEEE-802.11; PERFORMANCE; AVOIDANCE; DEAFNESS;

D O I：

10.1109/SURV.2009.090306

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In multihop wireless ad-hoc networks, the medium access control (MAC) protocol plays a key role in coordinating the access to the shared medium among wireless nodes. Currently, the distributed coordination function (DCF) of the IEEE 802.11 is the dominant MAC protocol for both wireless LANs and wireless multihop ad hoc environment due to its simple implementation and distributed nature. The current access method of the IEEE 802.11 does not make efficient use of the shared channel due to its conservative approach in assessing the level of interference; this in turn affects the spatial reuse of the limited radio resources and highly affect the achieved throughput of a multihop wireless network. This paper surveys various methods that have been proposed in order to enhance the channel utilization by improving the spatial reuse.

引用

页码：71 / 91

页数：21

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