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http://dx.doi.org/10.7840/kics.2013.38A.8.662

Incremental Redundancy Hybrid ARQ (IR-HARQ) Scheme Using Block LDPC Codes  

Kim, Dong Ho (서울과학기술대학교 전자IT미디어공학과)
Lee, Ye Hoon (서울과학기술대학교 전자IT미디어공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.38A, no.8, 2013 , pp. 662-668 More about this Journal
Abstract
Mobile communication systems have been adopting link adaptive transmission schemes such as adaptive modulation and coding (AMC) and hybrid-ARQ (HARQ). Incremental redundancy (IR) HARQ scheme is known to be highly efficient in terms of throughput and power consumption and can be a good solution for mobile communication systems. In this paper, we propose an IR-HARQ scheme based on dual-diagonal parity-type block LDPC codes in which we define a transmission priority of coded bits and propose the sub-packet construction rule. We present the throughput performance of IR-HARQ with various modulation and coding and multi-antenna modes. Consequently, the proposed scheme provides the improvement of system throughput by elaborate link adaptation with CQI information.
Keywords
IR-HARQ; dual-diagonal parity-type block LDPC; rate compatible LDPC codes;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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