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A simple quasi-orthogonal space-time scheme for use in asynchronous virtual antenna array enabled cooperative networks

Hayes, M, Chambers, JA and MacLeod, MD (2008) A simple quasi-orthogonal space-time scheme for use in asynchronous virtual antenna array enabled cooperative networks

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Abstract

In this paper we present a novel full-rate and full-diversity quasi-orthogonal space-time block coding scheme for use in asynchronous cooperative relay networks. A variant of orthogonal frequency division multiplexing (OFDM) is implemented at the source node to mitigate the effects of random delays at the relay nodes, which operate in a simple amplifyand-forward mode. Utilizing a feedback channel, a simple phase rotation is applied at the relay nodes to extract full order diversity. A simple feedback quantization approach which reduces the overhead in the feedback channel for practical systems is also proposed. Average bit error rate simulations confirm the utility of the schemes.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Authors :
NameEmailORCID
Hayes, MUNSPECIFIEDUNSPECIFIED
Chambers, JAj.a.chambers@surrey.ac.ukUNSPECIFIED
MacLeod, MDUNSPECIFIEDUNSPECIFIED
Date : 1 December 2008
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:25
Last Modified : 17 May 2017 13:25
URI: http://epubs.surrey.ac.uk/id/eprint/839176

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