MIMO-OFDM网络中功率控制与波束赋形联合优化

doi:10.13190/j.jbupt.2017-026

北京邮电大学学报 ›› 2018, Vol. 41 ›› Issue (1): 139-144.doi: 10.13190/j.jbupt.2017-026

• 研究报告 • 上一篇

MIMO-OFDM网络中功率控制与波束赋形联合优化

黄妙娜¹, 陈军², 任斌¹

1. 东莞理工学院电子工程与智能化学院, 广东东莞 523808;
2. 华为技术有限公司 2012实验室, 广东深圳 518129

收稿日期:2017-03-22 出版日期:2018-02-28 发布日期:2018-01-04
作者简介:黄妙娜(1983-),女,讲师;陈军(1981-),男,工程师,E-mail:jensen.chenjun@huawei.com.
基金资助:
国家自然科学基金面上项目（6167010002）；东莞理工学院博士科研启动基金项目（ZJ20151001）；国家青年科学基金项目（61501119）

Joint Power Control and Beamforming Optimization for MIMO-OFDM Network

HUANG Miao-na¹, CHEN Jun², REN Bin¹

1. School of Electrical Engineering and Intelligent, Dongguan University of Technology, Guangdong Dongguan 523808, China;
2

Received:2017-03-22 Online:2018-02-28 Published:2018-01-04

摘要/Abstract

摘要： 针对多输入多输出（MIMO）-正交频分复用（OFDM）系统，提出了功率控制与波束赋形的联合优化算法，采用更加符合实际系统的干扰模型，将节能问题建模为功率控制与波束赋形的联合优化问题.为了求解上述非凸问题，基于上下行对偶原理和标准干扰函数理论，提出一种两阶段解决方案，并给出相应的理论证明该方案的收敛性.仿真结果表明，所提算法在多天线场景下相对于现有算法有更快的收敛速率，与传统的波束赋形方案相比，具有更低的能耗.

关键词: 多输入多输出-正交频分复用系统, 功率控制, 波束赋形

Abstract: A joint optimization problem of power control and beamforming for multiple input multiple output (MIMO)-orthogonal frequency division multiplexing (OFDM) system with more realistic interference model was proposed. Then a two-stage scheme based on dual of uplink-downlink and standard interference mapping theory was given to solve this problem, which is proved to be rigorously convergent. Simulations show that the proposed scheme converges faster in multiple-antenna cases and the proposed algorithm outperforms the traditional ones in terms of power saving.

Key words: multiple input multiple output-orthogonal frequency division multiplexing system, power control, beamforming

中图分类号:

TN929.53

黄妙娜, 陈军, 任斌. MIMO-OFDM网络中功率控制与波束赋形联合优化[J]. 北京邮电大学学报, 2018, 41(1): 139-144.

HUANG Miao-na, CHEN Jun, REN Bin. Joint Power Control and Beamforming Optimization for MIMO-OFDM Network[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2018, 41(1): 139-144.

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MIMO-OFDM网络中功率控制与波束赋形联合优化

Joint Power Control and Beamforming Optimization for MIMO-OFDM Network

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