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Near-optimum detection for use in closed-loop distributed space time coding with asynchronous transmission and selection of two dual-antenna relays

Qaja, W, Elazreg, A and Chambers, J (2013) Near-optimum detection for use in closed-loop distributed space time coding with asynchronous transmission and selection of two dual-antenna relays

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Abstract

We consider amplify-and-forward (AF) type cooperative wireless relay networks employing single bit closed-loop extended orthogonal space-time block coding (CL EO-STBC) over two selected cooperating relay nodes. Selection is performed from a set of NR available relay nodes each equipped with two antennas and outer convolutive coding is used to improve performance. A near-optimum detection scheme is used at the destination node for overcoming the effects of imperfect synchronization among selected relay nodes. End-to-end simulation results show that the employed detection scheme can effectively eliminate the interference components induced by asynchronism with low detection complexity. Furthermore, the one-bit feedback scheme and relay selection technique can enhance the overall system performance and outperform previous feedback methods. © VDE VERLAG GMBH.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Authors :
NameEmailORCID
Qaja, WUNSPECIFIEDUNSPECIFIED
Elazreg, AUNSPECIFIEDUNSPECIFIED
Chambers, Jj.a.chambers@surrey.ac.ukUNSPECIFIED
Date : 1 January 2013
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:24
Last Modified : 17 May 2017 13:24
URI: http://epubs.surrey.ac.uk/id/eprint/839087

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