Abstract
The development of ICT (Information and Communication Technology) industry has emerged as one of the major sources of world energy consumption Especially, energy consumption on base station is a large portion of total energy consumption In this paper we study with energy efficient power control mechanism for base station in mobile communication systems. We proposed a efficient sector power control based on distance between base station and mobile node. Also we proposed a sleep mode energy control mechanism In sleep mode energy saving protocol, each sector monitors the number of user in sector cell. If number of mobile node falls down a given threshold in sector cell, base station shuts down power. Simulation demonstrate the Tx energy of proposed algorithms and the tradeoff between energy saving and cell coverage
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