Wireless Communications: Principles and Practice
Wireless Communications: Principles and Practice
Principles of Digital Communication and Coding
Principles of Digital Communication and Coding
On Limits of Wireless Communications in a Fading Environment when UsingMultiple Antennas
Wireless Personal Communications: An International Journal
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
Evaluating the performance of convolutional codes over block fading channels
IEEE Transactions on Information Theory
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Recently, cooperative diversity has been introduced where single-antenna mobiles achieve uplink transmit diversity helping each other by relaying one another's messages. A variation of this principle is coded cooperation which partitions the codeword of each mobile and transmits portions of each codeword through independent fading channels. Coded cooperation framework has been easily extended using turbo codes. In this paper we propose a new cooperative protocol that improves the performance of turbo coded cooperation from moderate to high signal-to-noise ratios. This method uses the forced symbol method in which the basic encoder structure remains unchanged. We present computer simulation results of the proposed scheme under various inter-user channel SNRs and compare to the union bound analysis.