Optimization of switched MIMO systems over rayleigh fading channels

Seyeong Choi; Young Chai Ko; Edward J. Powers

doi:10.1109/TVT.2006.883748

Optimization of switched MIMO systems over rayleigh fading channels

Seyeong Choi, Young Chai Ko, Edward J. Powers

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

17 Citations (Scopus)

Abstract

This paper proposes a new switched MIMO system where the MIMO includes both diversity-based MIMO and spatial multiplexing MIMO (SM-MIMO). The proposed scheme is a closed-loop system where the feedback bits are sent back to the transmitter to indicate the channel quality. The switching operation is employed among groups of a certain number of transmit antennas. For diversity-based MIMO systems, the switching operation aims to improve the link performance, while the goal of the switching for the SM-MIMO systems is to increase the data rate. The authors analyze and optimize the proposed systems and show that there is considerable benefit in terms of performance and practical use.

Original language	English
Pages (from-to)	103-114
Number of pages	12
Journal	IEEE Transactions on Vehicular Technology
Volume	56
Issue number	1
DOIs	https://doi.org/10.1109/TVT.2006.883748
Publication status	Published - 2007 Jan

Bibliographical note

Funding Information:
Manuscript received April 2, 2004; revised September 30, 2005 and January 2, 2006. This work was supported by the Center for Broadband OFDM Mobile Access (BrOMA) at POSTECH through the ITRC program of the Korean MIC, supervised by IITA under Grant IITA-2005-C1090-0502-0008. The review of this paper was coordinated by Prof. Z. Wang.

Keywords

Diversity techniques
Fading channels
MIMO
Performance analysis
Switched diversity
Transmit diversity

ASJC Scopus subject areas

Aerospace Engineering
Electrical and Electronic Engineering
Computer Networks and Communications
Automotive Engineering

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10.1109/TVT.2006.883748

Cite this

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abstract = "This paper proposes a new switched MIMO system where the MIMO includes both diversity-based MIMO and spatial multiplexing MIMO (SM-MIMO). The proposed scheme is a closed-loop system where the feedback bits are sent back to the transmitter to indicate the channel quality. The switching operation is employed among groups of a certain number of transmit antennas. For diversity-based MIMO systems, the switching operation aims to improve the link performance, while the goal of the switching for the SM-MIMO systems is to increase the data rate. The authors analyze and optimize the proposed systems and show that there is considerable benefit in terms of performance and practical use.",

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AU - Powers, Edward J.

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AB - This paper proposes a new switched MIMO system where the MIMO includes both diversity-based MIMO and spatial multiplexing MIMO (SM-MIMO). The proposed scheme is a closed-loop system where the feedback bits are sent back to the transmitter to indicate the channel quality. The switching operation is employed among groups of a certain number of transmit antennas. For diversity-based MIMO systems, the switching operation aims to improve the link performance, while the goal of the switching for the SM-MIMO systems is to increase the data rate. The authors analyze and optimize the proposed systems and show that there is considerable benefit in terms of performance and practical use.

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KW - Performance analysis

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KW - Transmit diversity

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Optimization of switched MIMO systems over rayleigh fading channels

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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