Radio Network Planning and Optimisation for UMTS
Radio Network Planning and Optimisation for UMTS
Pilot power adjustment for saving transmit power in pilot channel assisted DS-CDMA mobile systems
IEEE Transactions on Wireless Communications
Exploring simulated annealing and graphical models for optimization in cognitive wireless networks
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Breathe to stay cool: adjusting cell sizes to reduce energy consumption
Proceedings of the first ACM SIGCOMM workshop on Green networking
Cell zooming for cost-efficient green cellular networks
IEEE Communications Magazine
Optimized network management for energy savings of wireless access networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Traffic-driven power saving in operational 3G cellular networks
MobiCom '11 Proceedings of the 17th annual international conference on Mobile computing and networking
Modelling and optimization of power consumption in wireless access networks
Computer Communications
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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.