Medium Access with Adaptive Relay Selection in Cooperative Wireless Networks

被引：17
|
作者：
Adam, Helmut [1 ]
Yanmaz, Evsen [1 ]
Bettstetter, Christian [1 ,2 ]
机构：
[1] Univ Klagenfurt, Inst Networked & Embedded Syst, A-9020 Klagenfurt, Austria
[2] Lakeside Labs GmbH, A-9020 Klagenfurt, Austria
来源：
IEEE TRANSACTIONS ON MOBILE COMPUTING | 2014年 / 13卷 / 09期
关键词：
Wireless communications; relaying; relay networks; cooperative networks; medium access protocols; DIVERSITY; CAPACITY; PROTOCOL; MAC;
D O I：
10.1109/TMC.2013.97
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We specify and evaluate a protocol for cooperative relay communications in wireless networks targeted for low-budget and energy-constrained off-the-shelf hardware. The protocol located at the Medium Access Control (MAC) layer integrates radio resource reservation, relay selection, and packet flow. Performance is evaluated with different parameters, such as node density, channel coherence time, and data packet size. Higher network-wide reliability and throughput compared to noncooperative protocols can be achieved in dense networks and unreliable channels. At the same time, throughput does not degrade in sparse networks or good channel conditions.
引用
收藏
页码：2042 / 2057
页数：16
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