Journal on Communications ›› 2013, Vol. 34 ›› Issue (9): 158-165.doi: 10.3969/j.issn.1000-436x.2013.09.019

• Technical Report • Previous Articles     Next Articles

Cooperative transmission scheme based on GSC for cognitive wireless sensor network

Zhi-chao QIN1,Zheng ZHOU1,Xiao-chuan ZHAO1,Yang ZHANG1,2   

  1. 1 Key Laboratory of Universal Wireless Communications,Ministry of Education,Beijing University of Posts and Telecommunications,Beijing 100876,China
    2 College of Computer and Communication Engineering,China University of Petroleum,Qingdao 266555,China
  • Online:2013-09-25 Published:2017-07-05
  • Supported by:
    The National Science and Technology Major Project of the Ministry of China;The National Natural Science Foundation of China;ITRC Support Program Supervised by the National IT Industry Promotion Agency of Korea

Abstract:

In response to the features that the sensor nodes are gy-limited and power-constrained in wireless sensor network,a cooperative transmission scheme based on general selection combine(GSC)algorithm was proposed when the channel state information (CSI) was known to the transmitter.The number of cooperative nodes was depended on the GSC algorithm subject to a power constraint at the transmitter,and these selected nodes were scheduled according to the channel sate and individual residual energy.The analys lation results show that the proposed scheme can effectively prolong the network lifetime.

Key words: wireless sensor network, cooperative OFDM, channel state information, general selection combine

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