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Space-Time Coding-Assisted Double-Spread Rake Receiver-Based CDMA for Dispersive Rayleigh Fading Environments

Ng, S.X., Yang, L-L., Liew, T.H. and Hanzo, L. (2002) Space-Time Coding-Assisted Double-Spread Rake Receiver-Based CDMA for Dispersive Rayleigh Fading Environments At VTC'2002 (Spring), United States. 06 - 09 May 2002. , pp. 1670-1674.

Record type: Conference or Workshop Item (Paper)

Abstract

In this contribution we propose a novel Space-Time Coding-Assisted Double-Spread Rake Receiver (STC-DS-RR) based CDMA scheme for downlink (base to mobile transmissions over dispersive Rayleigh fading channels. The STC-DS-RR scheme invokes Turbo Convolutional (TC) channel coding and Space-Time Block Coding (STBC) fro achieving both time and space diversity gains in addition to the path diversity gain provided by the dispersive Rayleigh fading environments. The double-spreading mechanism of the STC-DS-RR scheme is capable of detecting the wanted user’s channel-impaired wideband signals with the aid of a low-complexity Rake receiver, without resorting to complex multi-user detection. The performance of the proposed scheme was investigated using Quadrature-Phase-Shift-Keying (QPSK), when communicating over dispersive channels. It was shown that the wideband scheme is capable of achieving $Eb/N0$ gains up to 35 dBs in comparison to an uncoded narrowband sing-transmitter scheme.

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More information

Published date: 2002
Additional Information: Event Dates: 6-9 May 2002
Venue - Dates: VTC'2002 (Spring), United States, 2002-05-06 - 2002-05-09
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 257157
URI: http://eprints.soton.ac.uk/id/eprint/257157
PURE UUID: 16a8c8c8-2293-446c-a366-36397e854a8c
ORCID for L-L. Yang: ORCID iD orcid.org/0000-0002-2032-9327

Catalogue record

Date deposited: 08 Jan 2004
Last modified: 18 Jul 2017 09:41

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Contributors

Author: S.X. Ng
Author: L-L. Yang ORCID iD
Author: T.H. Liew
Author: L. Hanzo

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