A turbo-like symbol by symbol decoder for randomly distributed space-time coding in amplify-and-forward relay networks

Authors:
Yier Yan;Moon Ho Lee
Affiliations:
Institute of Information and Communication, Chonbuk National University, Jeonju, Republic of Korea;Institute of Information and Communication, Chonbuk National University, Jeonju, Republic of Korea
Venue:
IEEE Communications Letters
Year:
2010

Citing 6
Cited 1

Distributed Space-Time Coding in Wireless Relay Networks

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Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks

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Cooperative diversity in wireless networks: Efficient protocols and outage behavior

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On the power efficiency of sensory and ad hoc wireless networks

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Shift-full-rank matrices and applications in space-time trellis codes for relay networks with asynchronous cooperative diversity

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Fading relay channels: performance limits and space-time signal design

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Design of multiuser MIMO AF relay system with interference cancellation

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Abstract

In this letter, a simple distributed Space-Time coding scheme is introduced by allocating random interleavers to each relay node in amplify-and-forward (AF) network. By using multiuser definition each rely node provides an interference to the detected signal, a turbo-like symbol by symbol decoder is also introduced. The complexity involved grows only linearly with the number of relay nodes. Simulation results show an acceptable improvement to previous works in the high SNR region.