文件名称:
A Cooperative Diversity Scheme Based on Quadrature Signaling
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文件大小: 344kb
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上传时间: 2010-11-23
详细说明： A bandwidth and energy efficient cooperative diversity scheme based on quadrature signaling is proposed. The quadrature signaling is achieved by transmitting in the in-phase and quadrature components of QPSK modulation. The diversity gain and the bit error rate of the proposed cooperative diversity scheme improve with the inter-user channel quality. It is shown that the proposed scheme can achieve a diversity order of two for high inter-user signal-to-noise ratios, if the cooperating users are located within a region that permit s successful cooperation. The cooperative region corresponding to a specified bit error rate is defined and derived. ...展开收缩
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