A MAC method with joint detection for ad hoc networks

被引：0
|
作者：
Li, Cuiran [1 ]
Xie, Ranli [1 ]
Li, Chengshu [1 ]
机构：
[1] Beijing Jiaotong Univ, Modern Commun Res Inst, Beijing 100044, Peoples R China
来源：
2006 8TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING, VOLS 1-4 | 2006年
关键词：
D O I：
暂无
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：
In ad hoc networks, hidden-and the exposed-terminal problems can severely reduce the system throughput in MAC layer. To address these problem, a channel access method exploiting joint detection of overlapping packets is proposed by Kota in [4]]. In this paper, we propose an improvement on the method, which uses CSMA/CD medium access protocol for the RTS/CTS control packets and transmitter-based code assignment for spreading the data packets. The performance of the proposed channel access method has been investigated by analysis and computer simulations in comparison with Kota's and Nagarajs scheme proposed in [4] and [5]. The results show that our proposed channel access method gives a significant improvement in system throughput.
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页码：2927 / +
页数：2
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