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Near-capacity cooperative space-time coding employing irregular design and successive relaying

Record type: Article

In this paper, we develop a capacity-approaching Cooperative Space-Time Coding CSTC scheme employing irregular design for a twin-relay aided network as an extension of our previous work cast in the context of a half-duplex single-relay-aided network. For the sake of recovering the multiplexing loss imposed by a half-duplex three-terminal network, we employ a successive relaying protocol in this paper, where an additional relay node is activated. Hence, in order to design a near-capacity coding system, first the capacity and the achievable information-rate of a specific space-time coding aided scheme are quantified for the successive relaying aided channel. More specifically, the cooperative space-time codes employed at the source and the relays are jointly designed with the aid of EXtrinsic Information Transfer EXIT charts for the sake of high-integrity operation at Signal-to-Noise Ratios SNRs close to the corresponding successive relaying channel's capacity. Furthermore, unlike in the half-duplex single-relay based system, the destination node performs frame-by-frame Successive Interference Cancellation SIC aided iterative detection, in order to mitigate the efforts of multiple-access interference. Finally, our numerical results demonstrate that our proposed Irregular Cooperative Space-Time Coding Ir-CSTC scheme is capable of near-capacity operation in the successive relaying aided network, which is an explicit benefit of our joint source-and-relay transceiver design

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Citation

Kong, Lingkun, Ng, Soon Xin, Maunder, Robert G. and Hanzo, Lajos (2010) Near-capacity cooperative space-time coding employing irregular design and successive relaying IEEE Transactions on Communications, 58, (8), pp. 2232-2241. (doi:10.1109/TCOMM.2010.08.090646).

More information

Published date: 6 August 2010
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 270844
URI: http://eprints.soton.ac.uk/id/eprint/270844
PURE UUID: e96d68d8-ae01-405c-91e1-b04775bfde6a
ORCID for Robert G. Maunder: ORCID iD orcid.org/0000-0002-7944-2615

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Date deposited: 16 Apr 2010 14:38
Last modified: 18 Jul 2017 06:50

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Contributors

Author: Lingkun Kong
Author: Soon Xin Ng
Author: Robert G. Maunder ORCID iD
Author: Lajos Hanzo

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