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 :	Name Email ORCID Qaja, W UNSPECIFIED UNSPECIFIED Elazreg, A UNSPECIFIED UNSPECIFIED Chambers, J j.a.chambers@surrey.ac.uk UNSPECIFIED
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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