Optimum Linear Constellation Precoding for Space Time Wireless Systems
Wireless Personal Communications: An International Journal
Randomized Space-Time Coding for Distributed Cooperative Communication
IEEE Transactions on Signal Processing
IEEE Transactions on Signal Processing
On the sphere-decoding algorithm I. Expected complexity
IEEE Transactions on Signal Processing - Part I
Space-time diversity systems based on linear constellation precoding
IEEE Transactions on Wireless Communications
Distributed space-time coding for regenerative relay networks
IEEE Transactions on Wireless Communications
Distributed Space-Time Coding in Wireless Relay Networks
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
Using Orthogonal and Quasi-Orthogonal Designs in Wireless Relay Networks
IEEE Transactions on Information Theory
Diversity Embedded Space–Time Codes
IEEE Transactions on Information Theory
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Rate and diversity impose a fundamental tradeoff in wireless communication. We propose a novel distributed space-time coding (DSTC) scheme based on linear constellation precoding (LCP) for Amplify-and-Forward relaying networks. The proposed scheme can achieve full-diversity or full-rate, and also offers a flexibility for a desired rate-diversity tradeoff. This scheme works well with arbitrary signal constellation and any number of relays. Through perfromance analysis, coding design criteria and decoding strategy are provided. Simulation results show that the proposed coding scheme outperforms diagonal DSTC (DDSTC) and distributed linear dispersion (DLD) code at high power. From the comparison with DDSTC, the DSTC-LCP scheme achieves the same rate using a lower modulation order, yielding almost the same performance.