The design of a channel-access protocol for a wireless ad hoc network with sectored directional antennas

被引：5
|
作者：
Swaminathan, Arvind [1 ]
Noneaker, Daniel L. [1 ]
Russell, Harlan B. [1 ]
机构：
[1] Clemson Univ, Holcombe Dept Elect & Comp Engn, Clemson, SC 29634 USA
来源：
AD HOC NETWORKS | 2012年 / 10卷 / 03期
关键词：
Wireless ad hoc networks; Receiver blocking problem; Directional antennas; Channel-access protocols; PACKET RADIO; MAC PROTOCOL; MULTIPLE-ACCESS;
D O I：
10.1016/j.adhoc.2011.06.011
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A packet scheduler and a medium access control (MAC) protocol are presented for a direct-sequence spread-spectrum, wireless ad hoc network that contains a mix of nodes with directional antennas and nodes with omnidirectional antennas. The scheduler and MAC protocol are designed to prevent the co-site interference problem that arises in some types of nodes employing directional antennas. It is shown that the presence of nodes with directional antennas exacerbates the vulnerability of the network to the receiver blocking problem. A modification of the MAC protocol is presented that mitigates the receiver blocking problem, and it is shown to improve the performance of a network that includes nodes with directional antennas. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：284 / 298
页数：15
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