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Journal Article Raptor-Like Rate Compatible LDPC Codes and Their Puncturing Performance for the Cloud Transmission System
Cited 56 time in scopus Share share facebook twitter linkedin kakaostory
Authors
Sung Ik Park, Yiyan Wu, Heung Mook Kim, Namho Hur, Jeongchang Kim
Issue Date
2014-06
Citation
IEEE Transactions on Broadcasting, v.60, no.2, pp.239-245
ISSN
0018-9316
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/TBC.2014.2304134
Abstract
This paper proposes a class of raptor-like rate compatible low-density parity check (LDPC) codes for the cloud transmission (CTxN) system. The proposed LDPC codes have lengths of 16,200 and 64,800 which are the same as those of DVB T2/S2 LDPC codes so that the CTxn system can easily be combined with the DVB-T2/S2 system for a second layer service. As the proposed LDPC codes are optimized at low coding rate range (R<1/2) , their performance is not only close to the Shannon limit, but also better than the DVB-T2/S2 LDPC codes. Moreover, the proposed LDPC codes have raptor code's property so that they can be decoded with a punctured codeword at the receiver for power saving and less latency under high signal-to-noise ratio regions. © 1963-12012 IEEE.
KSP Keywords
Cloud Transmission, Coding rate, DVB-T2, High signal-to-noise ratio, Low-density parity-check (LDPC) codes, Raptor code, Shannon limit, Signal noise ratio(SNR), Transmission system, digital video broadcasting-terrestrial(DVB-T), power saving