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Soft-decision demapping algorithm with low computational complexity for coded 4+12 APSK
- Authors
- Lee, Jaeyoon; Yoon, Dongweon
- Issue Date
- May-2013
- Publisher
- WILEY-BLACKWELL
- Keywords
- amplitude phase shift keying (APSK); iterative decoding; log likelihood ratio (LLR); bit error rate (BER)
- Citation
- INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS AND NETWORKING, v.31, no.3, pp.103 - 109
- Indexed
- SCIE
SCOPUS
- Volume
- 31
- Number
- 3
- Start Page
- 103
- End Page
- 109
- ISSN
- 1542-0973
- Abstract
- This paper proposes a soft-decision demapping algorithm with low computational complexity for coded 4+12 amplitude phase shift keying in an additive white Gaussian noise channel. The proposed algorithm requires only a few summation, subtraction, and multiplication operations to calculate the log likelihood ratio value of each bit, and shows the same error performance as a conventional max-log algorithm.
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Related Researcher
- Yoon, Dongweon
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)