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Cooperative communication is an effective technique which provides diversity gains to combat the attenuation of radio signals caused by fading and path loss. By sharing each cooperative node's antenna to form a virtual antenna array, the reliability of the wireless transmission can be significantly improved. On the other hand, cooperation among different nodes may produce a higher level of interference...
This paper investigates an optimal decentralized Space-Time Block Coding (STBC) transmission strategy given an overhead constraint. The design of protocols for a cooperative network is formulated as an optimization problem. By solving the proposed problem, M-group decentralized STBC is proved to be the optimal strategy when neither central control nor inter-relay communications is permitted. The optimality...
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