Optimized Unequal APSK Constellation Mapping and Demapping for Non-equiprobable Transmission Systems
2020 IEEE 10th International Conference on Electronics Information and Emergency Communication (ICEIEC)(2020)
摘要
Amplitude phase shift keying(APSK) is an emerging modulation scheme due to its considerable shaping gain. In this paper, unequal APSK constellation mapping aiming at non-equiprobable transmission system is concerned. A simplified and optimized mapping and demapping method for non-equiprobable symbols’ transmission is proposed. Simulation results show that the proposed mapping and demapping method outperforms conventional constellations and mappings.
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关键词
non-equiprobable symbols,16APSK constellation,mapping optimization
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