Simultaneous Wireless Information and Power Transfer Based on Time-Frequency Block Allocation in OFDM Cooperative Communication System

被引：1
|
作者：
Liu, Xin [1 ,2 ]
Liu, Xueying [1 ,2 ]
Jia, Min [3 ]
Li, Feng [4 ]
Durrani, Tariq S. [5 ]
机构：
[1] Dalian Univ Technol, Sch Informat & Commun Engn, Dalian 116024, Peoples R China
[2] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Peoples R China
[3] Harbin Inst Technol, Sch Elect & Informat Engn, Harbin 150080, Peoples R China
[4] Zhejiang Gongshang Univ, Sch Informat & Elect Engn, Hangzhou 310018, Peoples R China
[5] Univ Strathclyde, Dept Elect & Elect Engn, Glasgow G1 1XQ, Lanark, Scotland
来源：
IEEE SYSTEMS JOURNAL | 2022年 / 16卷 / 03期
关键词：
Relays; OFDM; Resource management; Time-varying channels; Decoding; Frequency division multiplexing; Optimization; Cooperative communication system; orthogonal frequency-division multiplexing (OFDM); relay; simultaneous wireless information and power transfer based on time– frequency block allocation (TFBA-SWIPT); transmission rate;
D O I：
10.1109/JSYST.2021.3093572
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 paper, simultaneous wireless information and power transfer based on time-frequency block allocation (TFBA-SWIPT) is proposed to save the energy of an orthogonal frequency-division multiplex (OFDM) decode-and-forward cooperative communication system, by allocating different resource blocks for information decoding and energy harvesting at the relay and destinations. The joint allocation of time-frequency blocks and power is optimized to maximize the transmission rate of the destination, while ensuring the transmission rate and energy supply of the relay. The time-frequency block pairing algorithm and the block power allocation algorithm are integrated to achieve the optimal solution. Simulation results illustrate the benefits of using TFBA-SWIPT in the OFDM cooperative communication system over time-varying channels.
引用
收藏
页码：4827 / 4830
页数：4
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