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A Novel Turbo Coded Modulation Scheme for Deep Space Optical Communications

Authors
Oh, SangmokHwang, InhoBanerjee, AdrishLee, Jeong Woo
Issue Date
May-2010
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Keywords
deep space optical communications; turbo coded modulation; iterative decoding; pulse position modulation; poisson channel
Citation
IEICE TRANSACTIONS ON COMMUNICATIONS, v.E93B, no.5, pp 1260 - 1263
Pages
4
Journal Title
IEICE TRANSACTIONS ON COMMUNICATIONS
Volume
E93B
Number
5
Start Page
1260
End Page
1263
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/22488
DOI
10.1587/transcom.E93.B.1260
ISSN
0916-8516
1745-1345
Abstract
A novel turbo coded modulation scheme, called the turbo-APPM, for deep space optical communications is proposed. The proposed turbo-APPM is a serial concatenation of turbo codes, an accumulator and a pulse position modulation (PPM), where turbo codes act as an outer code while the accumulator and the PPM act together as an inner code. The generator polynomial and the puncturing rule for generating turbo codes are chosen to lower the bit error rate. At the receiver, the joint iterative decoding is performed between the inner decoder and the outer turbo decoder. In the outer decoder, local iterative decoding for turbo codes is conducted. Simulation results are presented showing that the proposed turbo-APPM outperforms all previously proposed schemes such as LDPC-APPM. RS-PPM and SCPPM reported in the literature.
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창의ICT공과대학 (전자전기공학부)
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