期刊
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS
卷 8, 期 8, 页码 3890-3895出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TWC.2009.080504
关键词
Selective relaying; cooperative communication; outage probability; outage capacity; decode-and-forward
资金
- Royal Golden Jubilee [PHD/0010/2546]
- MIT Institute for Soldier Nanotechnologies
- Office of Naval Research Presidential Early Career Award for Scientists and Engineers (PECASE) [N00014-09-1-0435]
- National Science Foundation [ECS-0636519]
- DoCoMo USA Labs
- Belgian American Educational Foundation
Cooperative diversity techniques can improve the transmission rate and reliability of wireless networks. For systems employing such diversity techniques in slow-fading channels, outage probability and outage capacity are important performance measures. Existing studies have derived approximate expressions for these performance measures in different scenarios. In this paper, we derive the exact expressions for outage probabilities and outage capacities of three proactive cooperative diversity schemes that select a best relay from a set of relays to forward the information. The derived expressions are valid for arbitrary network topology and operating signal-to-noise ratio, and serve as a useful tool for network design.
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