Dissertation
Dissertation > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Mobile Communications

Research on Key Technologies of Green Communications Basing on MIMO Environments

Author CaoChengZuo
Tutor GeXiaoHu;LiZiLi
School Huazhong University of Science and Technology
Course Communication and Information System
Keywords Green communications MIMO technology Energy efficiency model Power Control
CLC TN929.5
Type Master's thesis
Year 2011
Downloads 54
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At present, the rapid development of the mobile communications industry : on the one hand , multi-input multi-output (MIMO: Multiple Input Multiple Output) technology has attracted increasing attention ; On the other hand , the growth in energy consumption and environmental pressure , brings a new concept - \. \The main work of the papers is the energy efficiency of the mobile communication system of the study . The study mainly include : a new model of energy efficiency , and energy efficiency analysis , carried out in four different communication scenarios using mathematical analysis , optimization model analysis and numerical simulation methods to compare the variation of the energy efficiency and spectral efficiency studied the various system parameters (transmission power , and the path gain ) the influence on the energy efficiency and preliminary analysis of the cause of its formation . A new energy efficiency assessment model based on the throughput of the communication system , and combined with an infinite source of interference MISO cooperative communication system , the numerical simulation analysis using the Monte Carlo simulation method , the interfering base station density , collaboration, communication , etc. factors that impact on the energy efficiency of the proposed model . MIMO-OFDM system for a single-cell , in order to optimize the efficiency of energy of the system for the purpose of a new power control algorithm PCEE (Power Control Basing on Energy Efficiency algorithm) . Simulation results show that , by interference suppression , collaborative communication and channel multiplexed with such means to be able to effectively improve the system's energy efficiency ; addition, the algorithm with traditional algorithms , while significantly significantly improve the system's energy efficiency of that can simultaneously improve the system's spectrum efficiency.

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