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A new demapping technique for 16-APSK modulation for digital video broadcasting in AWGN channel
- Authors
- Ali, Pervaiz; Hussain, Farhan; Jeong, Jechang
- Issue Date
- Aug-2008
- Publisher
- IEEE
- Keywords
- 16-APSK; Demapping and AWGN channel; DVB
- Citation
- Proceedings - 3rd International Conference on Convergence and Hybrid Information Technology, ICCIT 2008, v.2, pp.9 - 12
- Indexed
- SCOPUS
- Journal Title
- Proceedings - 3rd International Conference on Convergence and Hybrid Information Technology, ICCIT 2008
- Volume
- 2
- Start Page
- 9
- End Page
- 12
- ISSN
- 0000-0000
- Abstract
- In this paper, we propose new demapping scheme for the 16-APSK modulation, which reduces the computational complexity of demapping process. Compared to existing soft demapping methods, which calculate a decision metric for each constellation point, and hard demapping, which need a detailed look-up table, the new technique needs a short lookup table and no decision metric is needed to be calculated, thus reducing the complexity. The BER performance simulations reveal that this simplified demapping scheme does not cause any penalty on performance and retains same BER as those of existing techniques.
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Related Researcher
- Jeong, Jechang
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)