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Initial Code Acquisition in the Cooperative Noncoherent MIMO DS-CDMA Downlink

Initial Code Acquisition in the Cooperative Noncoherent MIMO DS-CDMA Downlink
Initial Code Acquisition in the Cooperative Noncoherent MIMO DS-CDMA Downlink
In this paper, we investigate a realistic code-acquisition-assisted cooperative noncoherent (NC) multiple-input-multiple-output (MIMO) direct-sequence code-division multiple-access (DS-CDMA) downlink scenario, when communicating over uncorrelated single- and multipath Rayleigh channels. The probabilities of correct detection and false alarm have analytically been derived. Furthermore, a mean acquisition time (MAT) formula is provided for the cooperative transmission scenario considered. The associated MAT performance trends are characterized as a function of both the number of relay stations (RSs) and the number of receive antennas and link imbalance. As opposed to the classic scenario of having colocated MIMO elements, our findings suggest that employing distributed MIMO elements acting as RSs combined with multiple receive antennas leads to an improved MAT performance.
1387-1395
Won, S
81d16d46-e6bc-4d8f-8194-ec28b44ddf23
Lee, K
e2337d68-64ae-4d2a-a422-fcd15884a824
Hanzo, L
66e7266f-3066-4fc0-8391-e000acce71a1
Won, S
81d16d46-e6bc-4d8f-8194-ec28b44ddf23
Lee, K
e2337d68-64ae-4d2a-a422-fcd15884a824
Hanzo, L
66e7266f-3066-4fc0-8391-e000acce71a1

Won, S, Lee, K and Hanzo, L (2009) Initial Code Acquisition in the Cooperative Noncoherent MIMO DS-CDMA Downlink. IEEE Transactions on Vehicular Technology, 58, 1387-1395.

Record type: Article

Abstract

In this paper, we investigate a realistic code-acquisition-assisted cooperative noncoherent (NC) multiple-input-multiple-output (MIMO) direct-sequence code-division multiple-access (DS-CDMA) downlink scenario, when communicating over uncorrelated single- and multipath Rayleigh channels. The probabilities of correct detection and false alarm have analytically been derived. Furthermore, a mean acquisition time (MAT) formula is provided for the cooperative transmission scenario considered. The associated MAT performance trends are characterized as a function of both the number of relay stations (RSs) and the number of receive antennas and link imbalance. As opposed to the classic scenario of having colocated 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: 2009
Additional Information: Imported from ISI Web of Science
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 269989
URI: https://eprints.soton.ac.uk/id/eprint/269989
PURE UUID: 1c1e8eb2-5582-4eb0-aa76-256e15c90e00
ORCID for L Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 21 Apr 2010 07:46
Last modified: 20 Jul 2019 01:26

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