Principles and practice of information theory
Principles and practice of information theory
Coded cooperation in wireless communications: space-time transmission and iterative decoding
IEEE Transactions on Signal Processing
Diversity through coded cooperation
IEEE Transactions on Wireless Communications
Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks
IEEE Transactions on Information Theory
Cooperative communication in wireless networks
IEEE Communications Magazine
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Cooperative communication represents an effective way of introducing spatial diversity in wireless networks. Full performance gain of an ideal cooperative communication system requires the cooperating transmitters to form their signals such that the destination receiver is able to coherently combine the desired signals. This encompasses multiple implementation challenges. We introduce a more pragmatic approach to cooperative diversity based on modern error correction coding working with phase dithering. Modulation constrained information rate analysis for this approach is presented, and we show that the loss relative to the ideal cooperative diversity scheme is minimal. By incorporating further practical constraints, we show performance of block-oriented phase dithering within a quasi-static Rayleigh fading channel.