Telecommunications Science ›› 2011, Vol. 27 ›› Issue (11): 75-83.doi: 10.3969/j.issn.1000-0801.2011.11.022

• research and development • Previous Articles     Next Articles

Study on Key Technologies of Green Wireless Communications with Energy Efficient Wireless Access Network

Xiao Xiao,Xiaoming Tao,Jianhua Lu   

  1. Department of Electronic Engineering,Tsinghua University,Beijing 100084,China
  • Online:2011-11-15 Published:2011-11-15

Abstract:

Recently the extremely huge energy consumption and the negative impact on environment caused by wireless communication networks have become one of the central issues throughout the communication industry and even the whole world. For the purpose of improving energy efficiency and reducing the energy cost of wireless communication,green wireless communication has received universal attentions and become one of the keen interests in the global communication industry. From the perspective of energy consumption of wireless communication networks,this paper firstly studies the energy distribution of the whole networks and points out that the access network segment is the main source. Furthermore,the relevant principles, approaches,and key technologies for energy optimization based on wireless access networks are comprehensively analyzed from three perspectives which are component level,link level,and network level,aiming at establishing energy efficient wireless access network and optimizing network energy consumption significantly.

Key words: green wireless communication, wireless access network, energy optimization

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