NDLI: LDPC coded modulation for Rayleigh fading channels

Content Provider	IEEE Xplore Digital Library
Author	Jintao Li YiBin Yang Hui Yu Yunfeng Guan
Copyright Year	2012
Description	Author affiliation: Sch. of Electron. & Electr. Eng., Shanghai Jiao Tong Univ., Shanghai, China (Jintao Li; YiBin Yang; Hui Yu; Yunfeng Guan)
Abstract	This paper presents a novel scheme of low-density-parity-check (LDPC) coded modulation system called bit-expand-interleaved coded modulation with iterative decoding and demapping (BEICM-ID) over Rayleigh fading channels. In traditional bit-interleaved coded modulation (BICM) schemes and its iterative version, BICM-ID, each bit node is mapped into one single symbol, but in our new BEICM-ID scheme some bit nodes may map into multi symbols, thus diversity is achieved, and since iterative decoding and demapping is used, more mutual information will exchange among bit nodes, check nodes and symbol nodes which may further improve the total error correcting ability. Compared to the BICM and BICM-ID schemes, the proposed coded modulation scheme can achieve a performance gain with different modulation types under Rayleigh fading channels, with 256qam modulation the gain over BICM is about 1.5dB and the gain over BICM-ID is about 0.75dB.
Starting Page	1
Ending Page	5
File Size	480294
Page Count	5
File Format	PDF
ISBN	9781467358309
e-ISBN	9781467358316
e-ISBN	9781467358293
DOI	10.1109/WCSP.2012.6542928
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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