Low-Cost Implementation Techniques for Interleave Division Multiple Access

被引：6
|
作者：
Hu, Yang [1 ]
Liang, Chulong [1 ]
Hu, Jianhao [2 ]
Ping, Li [1 ]
机构：
[1] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Peoples R China
[2] Univ Elect Sci & Technol China, Natl Key Lab Commun, Chengdu 611731, Sichuan, Peoples R China
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2018年 / 7卷 / 06期
关键词：
Multiple-access; IDMA; shifting; short cycle problem; SYSTEMS;
D O I：
10.1109/LWC.2018.2850881
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We consider a low-cost code shift division multiple-access (CSDMA) scheme, in which user-specific shifting is used to replace user-specific interleaving in interleave division multiple access (IDMA). We also outline a low-cost Gaussian approximation-based linear minimum mean square error message passing detection technique for CSDMA. We show that CSDMA can offer almost the same performance as the original IDMA in low-density parity-check or turbo coded systems, but with considerably lower implementation cost.
引用
收藏
页码：1026 / 1029
页数：4
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