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A novel Energy-Saving Management mechanism in cellular networks

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3 Author(s)
Peng Yu ; State Key Lab. of Networking & Switching Technol., Beijing Univ. of Posts & Telecommun., Beijing, China ; Wenjing Li ; Xuesong Qiu

When regional traffic is low, one key issue of ESM (Energy-Saving Management) in cellular networks is how to sleep several BSs (Base Stations) and meanwhile guaranteeing regional coverage and service quality. Current ESM methods lack efficient regional coverage compensation method and accurate evaluation model for ESM algorithms. This paper proposes a novel ESM mechanism to resolve these problems. The mechanism includes selection of sleeping BSs based on TP (Trigonal Pair), a regional energy saving algorithm corresponding to TP through adjustments of down tilt and transmit power, and an integrated assessment model based on dynamic traffic. We then simulate the mechanism in WCDMA/HSPA network under urban scenarios with multiple services. Results show that with acceptable coverage and service quality, the ESM mechanism can save at least 34.83% of energy consumption for one sleeping BS. And it can still obtain 18.01% and 10.01% energy-saving gains during sleeping time and the entire simulation time, which takes on much practical significance.

Published in:

Network and service management (cnsm), 2012 8th international conference and 2012 workshop on systems virtualiztion management (svm)

Date of Conference:

22-26 Oct. 2012