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An Algorithm for Wireless Relay Placement
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DOI：10.1109/TWC.2009.081036.png)
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摘要
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An algorithm is given for placing relays at spatial positions to improve the reliability of communicated data in a sensor network. The network consists of many power-limited sensors, a small set of relays, and a receiver. For each sensor, the receiver receives a direct signal as well as an indirect signal from one of the available relays. The relays rebroadcast the transmissions in order to achieve diversity at the receiver. Both amplify-and-forward and decode-and-forward relay networks are considered. Channels are modeled with Rayleigh fading, path loss, and additive white Gaussian noise. Performance analysis and numerical results are given.
Keyword:
Sensor network
cooperative communication
relay placement
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IF:
10.7
论文数:
1.3W
被引数:
5.3W
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