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Performance of MMSE Multiuser Detection in Cellular DS-CDMA Systems Using Distributed Antennas

Performance of MMSE Multiuser Detection in Cellular DS-CDMA Systems Using Distributed Antennas
Performance of MMSE Multiuser Detection in Cellular DS-CDMA Systems Using Distributed Antennas
In this contribution we propose and investigate a high-capacity cellular direct-sequence code-division multiple-access (DS-CDMA) wireless communications system, where numerous antennas are distributed in the area covered by the system. The bit error rate (BER) performance of the distributed antenna cellular DS-CDMA system is investigated, when minimum mean-square error (MMSE) multiuser detection is employed, and when transmission pass-loss, lognormal shadowing slow fading and Nakagami-m fast fading are considered. Our study suggests that the distributed antenna cellular DS-CDMA system constitutes a high power-efficiency wireless system. For utilizing the same set of system parameters, it is capable of providing an extremely higher capacity, than the cellular DS-CDMA system designed based on the conventional cellular concepts. Furthermore, the proposed distributed antenna cellular system can be operated without having to use power-control.
274-278
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7

Yang, Lie-Liang (2006) Performance of MMSE Multiuser Detection in Cellular DS-CDMA Systems Using Distributed Antennas. IEEE 63rd Vehicular Technology Conference, 2006. VTC 2006-Spring., Melbourne, Australia. pp. 274-278 .

Record type: Conference or Workshop Item (Paper)

Abstract

In this contribution we propose and investigate a high-capacity cellular direct-sequence code-division multiple-access (DS-CDMA) wireless communications system, where numerous antennas are distributed in the area covered by the system. The bit error rate (BER) performance of the distributed antenna cellular DS-CDMA system is investigated, when minimum mean-square error (MMSE) multiuser detection is employed, and when transmission pass-loss, lognormal shadowing slow fading and Nakagami-m fast fading are considered. Our study suggests that the distributed antenna cellular DS-CDMA system constitutes a high power-efficiency wireless system. For utilizing the same set of system parameters, it is capable of providing an extremely higher capacity, than the cellular DS-CDMA system designed based on the conventional cellular concepts. Furthermore, the proposed distributed antenna cellular system can be operated without having to use power-control.

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More information

Published date: 2006
Additional Information: Event Dates: May 2006
Venue - Dates: IEEE 63rd Vehicular Technology Conference, 2006. VTC 2006-Spring., Melbourne, Australia, 2006-05-01
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 263339
URI: http://eprints.soton.ac.uk/id/eprint/263339
PURE UUID: b488ce9a-a197-43aa-84fc-ba170f963498
ORCID for Lie-Liang Yang: ORCID iD orcid.org/0000-0002-2032-9327

Catalogue record

Date deposited: 22 Jan 2007
Last modified: 15 Mar 2024 02:59

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Contributors

Author: Lie-Liang Yang ORCID iD

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