Performance evaluation of distributed wireless networks using smart antennas in low-rank channel

被引：4

作者：

Babich, Fulvio ^{[1
]}

Comisso, Massimiliano ^{[1
]}

D'Orlando, Marco ^{[1
]}

Mania, Lucio ^{[1
]}

机构：

[1] Univ Trieste, Dept Elect & Elect Engn, I-34127 Trieste, Italy

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2007年 / 55卷 / 07期

关键词：

fading channel model; interference mitigation; multipath fading; smart antennas; space-division multiple access; wireless networks;

D O I：

10.1109/TCOMM.2007.900618

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：

This paper investigates the performance of a distributed wireless network in which the nodes are equipped with fully adaptive smart antennas. The main goal is the evaluation of the influence that the geometrical configuration of the antenna array has on network throughput and packet delay. Analysis and simulations are performed to study the relationship between the geometry of the antenna array and the network topology. In this paper, the performance degradation due to both the small-channel angular spreads and the speed of mobile nodes is investigated. The results, which hold for the low-rank channel model only, extend to this specific case previous results obtained in ideal channel conditions. The study adopts an access scheme, previously proposed for ad-hoc networks, which is able to exploit the interferer suppression capabilities of smart antennas, together with realistic models for the antenna and the channel behaviors.

引用

页码：1344 / 1353

页数：10

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