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Differential space-time shift-keying aided successive-relaying-assisted decode-and-forward cooperative multiuser CDMA

Differential space-time shift-keying aided successive-relaying-assisted decode-and-forward cooperative multiuser CDMA
Differential space-time shift-keying aided successive-relaying-assisted decode-and-forward cooperative multiuser CDMA
A Differential Space-Time Shift Keying (DSTSK) aided and successive relaying assisted multi-user Decode-and-Forward (DF) cooperative system is proposed. We employ low-complexity non-coherent detection, which does not require any channel state information, neither at the Relay Nodes (RNs) nor at the Destination Node (DN). More explicitly, the source nodes employ differentially encoded phase-shift-keying modulation, while the RNs perform Soft-Input Soft-Output Multiple-Symbol Differential Sphere Decoding (SISO-MSDSD) based DF relaying during the relaying phase. Similarly, DSTSK transmission is employed at the RNs, which is detected with the aid of SISO-MSDSD at the DN. More explicitly, three-stage serial-concatenated turbo encoding/decoding is employed throughout the system in order to enhance the attainable performance. Additionally, a maximum minimum-determinant based configuration selection algorithm is proposed to select the optimal DSTSK configuration for supporting a specific number of users. Moreover, we adopt a successive relaying architecture for recovering the conventional 50% half-duplex relaying induced throughput loss, at the cost of supporting less users.
0018-9545
2156-2169
Zhang, Peichang
e87b4adb-ec8a-47e9-a73e-5b9140f5dc9d
Chen, Sheng
9310a111-f79a-48b8-98c7-383ca93cbb80
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Zhang, Peichang
e87b4adb-ec8a-47e9-a73e-5b9140f5dc9d
Chen, Sheng
9310a111-f79a-48b8-98c7-383ca93cbb80
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Zhang, Peichang, Chen, Sheng and Hanzo, Lajos (2013) Differential space-time shift-keying aided successive-relaying-assisted decode-and-forward cooperative multiuser CDMA. IEEE Transactions on Vehicular Technology, 62 (5), 2156-2169.

Record type: Article

Abstract

A Differential Space-Time Shift Keying (DSTSK) aided and successive relaying assisted multi-user Decode-and-Forward (DF) cooperative system is proposed. We employ low-complexity non-coherent detection, which does not require any channel state information, neither at the Relay Nodes (RNs) nor at the Destination Node (DN). More explicitly, the source nodes employ differentially encoded phase-shift-keying modulation, while the RNs perform Soft-Input Soft-Output Multiple-Symbol Differential Sphere Decoding (SISO-MSDSD) based DF relaying during the relaying phase. Similarly, DSTSK transmission is employed at the RNs, which is detected with the aid of SISO-MSDSD at the DN. More explicitly, three-stage serial-concatenated turbo encoding/decoding is employed throughout the system in order to enhance the attainable performance. Additionally, a maximum minimum-determinant based configuration selection algorithm is proposed to select the optimal DSTSK configuration for supporting a specific number of users. Moreover, we adopt a successive relaying architecture for recovering the conventional 50% half-duplex relaying induced throughput loss, at the cost of supporting less users.

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More information

Published date: June 2013
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 348153
URI: http://eprints.soton.ac.uk/id/eprint/348153
ISSN: 0018-9545
PURE UUID: 023bfe8c-e88d-4b24-86d2-d4687447f1d3
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 06 Feb 2013 17:15
Last modified: 01 Oct 2019 01:03

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