Coded Random Access with Distributed Power Control and Multiple-Packet Reception

被引：18
|
作者：
Zhang, Zhonghao [1 ]
Xu, Chongbin [2 ]
Ping, Li [2 ]
机构：
[1] Shanghai Univ, Sch Commun & Informat Engn, Shanghai 200072, Peoples R China
[2] City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2015年 / 4卷 / 02期
关键词：
LDPC; multiple reception; multiuser detection; power control; spatial coupling;
D O I：
10.1109/LWC.2014.2381663
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this letter, a spatially-coupled low-density parity-check (SC-LDPC) coded ALOHA system with multiuser detection (MUD)-based multiple packet reception (MPR) is studied. A distributed power control scheme based on multiple power levels is proposed for medium and high rate applications. Numerical results show that the proposed scheme can provide noticeable throughput improvement. This improvement is more significant in the cases of fading channels.
引用
收藏
页码：117 / 120
页数：4
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