Sequential pre-coding for MIMO hybrid ARQ

Jin W. Kim; Byung J. Kwak; Dong S. Kwon; Chung G. Kang

doi:10.1109/LCOMM.2010.072310.100171

Sequential pre-coding for MIMO hybrid ARQ

Jin W. Kim, Byung J. Kwak, Dong S. Kwon, Chung G. Kang

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

2 Citations (Scopus)

Abstract

While the conventional codebook is defined only for the initial transmission in the closed-loop MIMO system, this paper proposes a new retransmission structure with a sequence of multiple codebooks, rather than using a single identical codebook for every retransmission. The pre-coding matrices in each codebook are sequentially linked so that each one can be used for a sequential hybrid ARQ transmission attempt, without invoking any index feedback from the receiver. It has been shown that the proposed codebook structure provides a performance gain of more than 5dB over the conventional scheme in the long-term-static channel.

Original language	English
Article number	5534609
Pages (from-to)	803-805
Number of pages	3
Journal	IEEE Communications Letters
Volume	14
Issue number	9
DOIs	https://doi.org/10.1109/LCOMM.2010.072310.100171
Publication status	Published - 2010 Sept

Bibliographical note

Funding Information:
Manuscript received January 31, 2010. The associate editor coordinating the review of this letter and approving it for publication was Z. Yan. This work was partly supported by the IT R&D programs of MKE/KEIT (KI001895, Development of original technology for next-generation Tactical Defense Communication Network) and (KI002139, Development of cooperative operation profiles in multicell wireless systems). J. W. Kim and C. G. Kang are with the Department of Electrical Engineering, Korea University, Seoul, Korea (e-mail: [email protected]). B. J. Kwak and D. S. Kwon are with the Electronics and Telecommunications Research Institute (ETRI), Daejeon, Korea. Digital Object Identifier 10.1109/LCOMM.2010.072310.100171

Keywords

Hybrid ARQ
MIMO
codebook
linear precoding

ASJC Scopus subject areas

Modelling and Simulation
Computer Science Applications
Electrical and Electronic Engineering

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10.1109/LCOMM.2010.072310.100171

Cite this

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abstract = "While the conventional codebook is defined only for the initial transmission in the closed-loop MIMO system, this paper proposes a new retransmission structure with a sequence of multiple codebooks, rather than using a single identical codebook for every retransmission. The pre-coding matrices in each codebook are sequentially linked so that each one can be used for a sequential hybrid ARQ transmission attempt, without invoking any index feedback from the receiver. It has been shown that the proposed codebook structure provides a performance gain of more than 5dB over the conventional scheme in the long-term-static channel.",

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N2 - While the conventional codebook is defined only for the initial transmission in the closed-loop MIMO system, this paper proposes a new retransmission structure with a sequence of multiple codebooks, rather than using a single identical codebook for every retransmission. The pre-coding matrices in each codebook are sequentially linked so that each one can be used for a sequential hybrid ARQ transmission attempt, without invoking any index feedback from the receiver. It has been shown that the proposed codebook structure provides a performance gain of more than 5dB over the conventional scheme in the long-term-static channel.

AB - While the conventional codebook is defined only for the initial transmission in the closed-loop MIMO system, this paper proposes a new retransmission structure with a sequence of multiple codebooks, rather than using a single identical codebook for every retransmission. The pre-coding matrices in each codebook are sequentially linked so that each one can be used for a sequential hybrid ARQ transmission attempt, without invoking any index feedback from the receiver. It has been shown that the proposed codebook structure provides a performance gain of more than 5dB over the conventional scheme in the long-term-static channel.

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KW - codebook

KW - linear precoding

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Sequential pre-coding for MIMO hybrid ARQ

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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