Research Article
Towards green wireless access networks
@INPROCEEDINGS{10.4108/chinacom.2010.109, author={Tao Chen and Honggang Zhang and Zhifeng Zhao and Xianfu Chen}, title={Towards green wireless access networks}, proceedings={5th International ICST Conference on Communications and Networking in China}, publisher={IEEE}, proceedings_a={CHINACOM}, year={2011}, month={1}, keywords={Antennas Bandwidth Downlink Energy consumption Relays Wireless networks}, doi={10.4108/chinacom.2010.109} }- Tao Chen
Honggang Zhang
Zhifeng Zhao
Xianfu Chen
Year: 2011
Towards green wireless access networks
CHINACOM
ICST
DOI: 10.4108/chinacom.2010.109
Abstract
As wireless communications experience exponential growth, energy consumption has became a crucial problem in the wireless industry. Energy efficiency of wireless systems has to be significantly improved in order to guarantee the sustainable growth of the wireless industry. Plenty of efforts have been carried on to achieve so called green wireless world. In this paper, focusing on energy saving in wireless access networks, we provide an overview on energy saving studies currently conducted in 3GPP LTE standard body. The aim of the paper is to gain a better understanding on energy consumption problems in wireless access networks and identify key research problems in this field. Currently most of research focus on base station energy saving with efforts to reduce energy consumed by power amplifiers. Less attention are spent on the network level. We believe a holistic network level solution based on novel architecture and methods, such as relay, user cooperation, as well as cognitive approaches, will be prosing enablers towards green wireless access networks.