Resource allocation in two-path relaying OFDM systems

被引：0
|
作者：
Zhang, Jia-liang [1 ]
Li, Fang-min [1 ]
Liu, Xing-hua [1 ]
Ma, Xiao-lin [1 ]
机构：
[1] Wuhan Univ Technol, Sch Informat Engn, Key Lab Broadband Wireless Commun & Sensor Networ, Wuhan 430070, Hubei, Peoples R China
来源：
WIRELESS COMMUNICATION AND SENSOR NETWORK | 2016年
基金：
中国国家自然科学基金;
关键词：
Resource Allocation; Two-path Relaying; OFDM System; INTERFERENCE CANCELLATION; SUBCARRIER;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Resource allocation in two-path relaying OFDM systems is investigated in this paper. In particular, it is first formulated as an optimization problem with the aim of total transmit power minimization, and is then decomposed into bit loading, subcarrier set allocation and source rate assignment issues. These issues are then solved separately, and a suboptimal algorithm is obtained. Simulation results demonstrate the effectiveness of the proposed algorithm under various system configurations through comparing it with the existing schemes with and without subcarrier pairing in traditional one-way relaying OFDM systems.
引用
收藏
页码：342 / 353
页数：12
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