Initial code acquisition in the cooperative noncoherent MIMO DS-CDMA downlink

Seung Hwan Won; Kyungchun Lee; Lajos Hanzo

doi:10.1109/TVT.2008.929218

Initial code acquisition in the cooperative noncoherent MIMO DS-CDMA downlink

Seung Hwan Won
, Kyungchun Lee
, Lajos Hanzo

Dept. of Electrical and Information Engineering

University of Southampton

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

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.

Original language	English
Pages (from-to)	1387-1395
Number of pages	9
Journal	IEEE Transactions on Vehicular Technology
Volume	58
Issue number	3
DOIs	https://doi.org/10.1109/TVT.2008.929218
State	Published - 2009

Keywords

Code acquisition
Cooperative
Direct-sequence code-division multiple-access (DS-CDMA)
Noncoherent (NC) MIMO system
Relay station (RS)

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10.1109/TVT.2008.929218

Cite this

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title = "Initial code acquisition in the cooperative noncoherent MIMO DS-CDMA downlink",

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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AU - Won, Seung Hwan

AU - Lee, Kyungchun

AU - Hanzo, Lajos

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AB - 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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KW - Direct-sequence code-division multiple-access (DS-CDMA)

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JO - IEEE Transactions on Vehicular Technology

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Initial code acquisition in the cooperative noncoherent MIMO DS-CDMA downlink

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Keywords

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