The application of the MI-based link quality model for link adaptation of rate compatible LDPC codes

被引：0
|
作者：
Chen, Xiang [1 ]
Fei, Zesong [1 ]
Kuang, Jingming [1 ]
Sun, Wei [1 ]
Wan, Lei [2 ]
机构：
[1] Beijing Inst Technol, Dept EE, Modern Commun Lab, RCDCT, Beijing 100081, Peoples R China
[2] Erricsson Res, Dept Wireless Commmun Technol, Beijing, Peoples R China
来源：
2008 IEEE 67TH VEHICULAR TECHNOLOGY CONFERENCE-SPRING, VOLS 1-7 | 2008年
关键词：
LA; the MI-based model; link quality model; AMC; hybrid ARQ;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An accurate and simple link quality model is crucial in system evaluation of different link adaptation (LA) solutions, for it acts as a link-to-system (L2S) interface which provides the block-error rate (BLER) performance of a certain modulation coding scheme (MCS) corresponding to the current SINR states. Our previous work in [1] has verified the good accuracy of the MI-based model for rate compatible LDPC coded OFDM system. In this paper, adaptive modulation and coding (AMC) strategy and two hybrid ARQ schemes of variable retransmission length, partial chase combining and full incremental redundancy, have been designed to check the accuracy of the look-up tables (LUTs) obtained by the MI-based model. The predicted results are quite in accord with the simulation ones, which confirms that the MI-based model provides accurate and simple LUTs for LA design of LDPC codes.
引用
收藏
页码：754 / +
页数：2
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