Joint downlink and uplink resource allocation for multi-carrier SWIPT system

Miao CUI; Xin YU; Xueyi LI; Guangchi ZHANG; Yijun LIU; Fan LIN

doi:10.11959/j.issn.1000-436x.2019052

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Joint downlink and uplink resource allocation for multi-carrier SWIPT system

Academic communication | 更新时间：2024-06-05

- Joint downlink and uplink resource allocation for multi-carrier SWIPT system
- Journal on Communications Vol. 40, Issue 3, Pages: 206-214(2019)
- 作者机构：
  
  1. 广东工业大学信息工程学院，广东广州 510006
  2. 广州杰赛科技股份有限公司，广东广州 510310
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61571138);The Science and Technology Plan Project of Guangdong Province(2017B090909006);The Science and Technology Plan Project of Guangdong Province(2016B090904001);The Science and Technology Plan Project of Guangdong Province(2016B090919031)
- DOI：10.11959/j.issn.1000-436x.2019052
  CLC： TN915
- Online First：2019-03，
  
  Published：25 March 2019
- 稿件说明：
移动端阅览
Miao CUI, Xin YU, Xueyi LI, et al. Joint downlink and uplink resource allocation for multi-carrier SWIPT system[J]. Journal on Communications, 2019, 40(3): 206-214.
DOI：

Miao CUI, Xin YU, Xueyi LI, et al. Joint downlink and uplink resource allocation for multi-carrier SWIPT system[J]. Journal on Communications, 2019, 40(3): 206-214. DOI： 10.11959/j.issn.1000-436x.2019052.

摘要

研究了由基站和用户组成的多载波无线携能通信系统，其上行链路和下行链路均采用正交频分复用技术。在下行链路中，基站同时向用户完成信息和能量的传输；在上行链路中，用户利用从基站接收的能量向基站回传信息。以最大化上下行链路加权和速率为目标，联合优化上下行链路的子载波分配和功率分配，提出了基于拉格朗日对偶法和椭球法的最优子载波与功率联合分配算法。实验仿真验证了所提算法的有效性。

Abstract

A multi-carrier simultaneous wireless information and power transfer (SWIPT) communication system including one base station (BS) and one user was investigated

where both uplink and downlink adopt orthogonal frequency division multiplexing (OFDM).In the downlink

the BS transmited information and power to the user simultaneously.In the uplink

the user transmited information to the BS by using the power harvested from the BS in the downlink.The weighted sum of the downlink and uplink achievable rates by jointly optimizing subcarrier allocation and power allocation of the uplink and downlink were aimed to maximized.An optimal algorithm to solve the joint resource allocation problem was proposed

which was based on the Lagrange duality method and the ellipsoid method.Finally

the result shows the performances of the proposed algorithm by computer simulations.

关键词

Keywords

references

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