A METHOD FOR ENERGY CONTROL IN A CELLULAR RADIO SYSTEM

摘要

Methods and devices enabling improved switch-on procedures during the reactivation of base stations already switched off to save power are provided. In accordance with one embodiment a method of activating a de-activated cell in a cellular radio system is provided. First measurements are collected from a number of user equipments connected to the cellular radio system. Based on the collected measurements a model for mapping a cell, the best cell, providing the least power increase in the cellular radio system when activated is constructed. When the traffic demand of the cellular radio system cannot be served using already activated cells it is determined to activate the cell that is mapped as the best cell to be activated. Hereby, the cells of a cellular radio system can be managed to maximally utilize the energy used in the system.