Comparison of multilevel coded modulations with different decoding methods for AWGN and Rayleigh fading channels

被引：0

作者：

Yuan, DF ^{[1
]}

Wang, CX ^{[1
]}

Yao, Q ^{[1
]}

Cao, ZG ^{[1
]}

机构：

[1] Shandong Univ, Dept Elect Engn, Jinan 250100, Peoples R China

来源：

ICC 2000: IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, CONFERENCE RECORD, VOLS 1-3: GLOBAL CONVERGENCE THROUGH COMMUNICATIONS | 2000年

关键词：

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Multilevel coding (MLC) schemes based on channel capacity with multistage decoding (MSD) and parallel decoding on levels (PDL) are considered and compared. The channel models AWGN and Rayleigh fading are used in order to study the performance of MLC systems under different conditions. The investigation is done for 8ASK modulation and three set partitioning strategies. In each scheme BCH codes with different code lengths are used as component codes. Numerical results indicate that MSD is a sub-optimal decoding method of MLC for both channels, while PDL is most robust to varying channels if block partitioning (BP) is used. For Ungerboeck partitioning(UP) and Mixed partitioning(MP) strategy, MSD method is strongly recommended to use for MLC system, while for BP strategy, PDL is suggested to use as a simple decoding method compared with MSD.

引用

页码：1193 / 1197

页数：5

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