A Novel Turbo Coded Modulation Scheme for Deep Space Optical Communications
- Authors
- Oh, Sangmok; Hwang, Inho; Banerjee, Adrish; Lee, 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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