3D MIMO-OFDMA系统中基于垂直波束成形的能效优化算法

doi:10.11959/j.issn.1000-0801.2017266

Abstract

Abstract:

An energy-efficient optimization algorithm was proposed for the 3D MIMO-OFDMA communication system.The proposed algorithm based on vertical beamforming technology maximized energy efficiency by adjusting the resource allocation,power allocation and the downtitles of the beam.According to the theory of fractional optimization,the complex fractional optimization problem could be converted into a more tractable integral optimization problem.The lagrangian operator was introduced to obtain the optimal value of energy efficiency by iteration.Simulation results show that the proposed algorithm can achieve higher energy efficiency with fewer iterations.

Key words: 3D MIMO, vertical beamforming, energy efficiency, fractional optimization theory

CLC Number:

TN929

Ting LI,Linjie QIU,Wei JI. Energy-efficient optimization algorithm based on vertical beamforming for 3D MIMO-OFDMA system[J]. Telecommunications Science, 2017, 33(11): 17-26.

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References 21

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电路模块	数模转换器	滤波器	混频器	锁相环同步器
功耗/mW	15.6	20	30.3	50

Energy-efficient optimization algorithm based on vertical beamforming for 3D MIMO-OFDMA system

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