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 diversity in wireless networks: Efficient protocols and outage behavior
IEEE Transactions on Information Theory
Outage analysis of coded cooperation
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
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In conventional incremental redundancy cooperative coding (IRCC) multiuser networks, if a user decodes its partner’s data with error, it ignores sending incremental redundancy for its partner; thus, cooperation gain can not be achieved in such a case. In this paper, we propose a novel scheme that achieves cooperation gain even when relaying users decode their partner’s data with error. This novel technique can be used to overcome the performance degradation caused by error-prone inter-user link. We study bit error rate (BER) performance of the proposed scheme in Nakagami fading channels. Simulation results show that the new scheme has superior performance compared to that of the conventional IRCC schemes and less than 0.3 dB inferior performance compared to that of full cooperative scheme with error-free inter-user link, at BER