CoRe-MAC: A MAC-Protocol for Cooperative Relaying in Wireless Networks

被引：0
|
作者：
Adam, Helmut [1 ]
Elmenreich, Wilfried [1 ]
Bettstetter, Christian [1 ,2 ]
Senouci, Sidi Mohammed [3 ]
机构：
[1] Univ Klagenfurt, Mobile Syst Grp, Klagenfurt, Austria
[2] Lakeside Labs GmbH, Klagenfurt, Austria
[3] Orange Labs, F-22307 Lannion, France
来源：
GLOBECOM 2009 - 2009 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, VOLS 1-8 | 2009年
关键词：
cooperative relaying; cooperative diversity; MAC; relay selection; CSMA/CA; DIVERSITY;
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：
Cooperative relaying methods can improve wireless links, but introduce overhead due to relay selection and resource reservation compared to non-cooperative transmission. In order to be competitive, a cooperative relaying protocol must avoid or compensate for this overhead. In this paper, we present a MAC protocol for relay selection and cooperative communication as an extension to CSMA/CA which addresses resource reservation, relay selection, and cooperative transmission while keeping the overhead in terms of time and energy low. We discuss the efficiency of this protocol for packet error rate, throughput, and message delay in a multi-hop network. Simulation results show that the protocol performs similar and without noticeable overhead compared to standard CSMA/CA for good SNR while it is able to significantly improve throughput and reliability at larger distances.
引用
收藏
页码：383 / 388
页数：6
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