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Initial Code Acquisition in the Cooperative Non-coherent MIMO DS-CDMA Downlink

Initial Code Acquisition in the Cooperative Non-coherent MIMO DS-CDMA Downlink
Initial Code Acquisition in the Cooperative Non-coherent MIMO DS-CDMA Downlink
In this paper we investigate a realistic code acquisition assisted cooperative Non-Coherent (NC) Multiple-Input Multiple-Output (MIMO) DS-CDMA downlink scenario, when communicating over uncorrelated single-path and multi-path Rayleigh channels. The probabilities of correct detection and false alarm have been derived analytically. Furthermore, a Mean Acquisition Time (MAT) formula is provided for the cooperative transmission scenario considered. The associated MAT performance trends are characterised as a function of both the number of Relay Stations (RSs), as well as that of the receive antennas and link imbalance. As opposed to the classic scenario of having co-located MIMO elements, our findings suggest that employing distributed MIMO elements acting as RSs combined with multiple receive antennas leads to an improved MAT performance.
0018-9545
1387-1395
Won, SeungHwan
df90e77a-fc48-41f0-9070-d82aee234d24
Lee, Kyungchun
1abb554d-0e54-45e7-b53f-c03f8bfcc7a6
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Won, SeungHwan
df90e77a-fc48-41f0-9070-d82aee234d24
Lee, Kyungchun
1abb554d-0e54-45e7-b53f-c03f8bfcc7a6
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Won, SeungHwan, Lee, Kyungchun and Hanzo, Lajos (2009) Initial Code Acquisition in the Cooperative Non-coherent MIMO DS-CDMA Downlink. IEEE Transactions on Vehicular Technology, 58 (3), 1387-1395.

Record type: Article

Abstract

In this paper we investigate a realistic code acquisition assisted cooperative Non-Coherent (NC) Multiple-Input Multiple-Output (MIMO) DS-CDMA downlink scenario, when communicating over uncorrelated single-path and multi-path Rayleigh channels. The probabilities of correct detection and false alarm have been derived analytically. Furthermore, a Mean Acquisition Time (MAT) formula is provided for the cooperative transmission scenario considered. The associated MAT performance trends are characterised as a function of both the number of Relay Stations (RSs), as well as that of the receive antennas and link imbalance. As opposed to the classic scenario of having co-located MIMO elements, our findings suggest that employing distributed MIMO elements acting as RSs combined with multiple receive antennas leads to an improved MAT performance.

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More information

Published date: March 2009
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 266324
URI: https://eprints.soton.ac.uk/id/eprint/266324
ISSN: 0018-9545
PURE UUID: 562cc88d-c4a1-450b-beb6-d497251ae7d3
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 23 Jul 2008 12:27
Last modified: 06 Jun 2018 13:15

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