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Beyond 3G mobile networks will be data service centric. It is anticipated that UE will stay in the Connected State relatively long while supporting data services, so efficient power saving mechanisms for the Connected State are more significant in order to prolong the active time of a handset. Discontinuous Reception (DRX) is a dominant approach for power saving in the Idle State and the Connected...
Data services, especially multimedia services drain battery quickly. Hence, it becomes more and more important to reduce power consumption in order to prolong active time of a mobile station. Three types of sleep mode schemes were defined in 802.16e for power saving. Sleep window size is either fixed or exponentially increased in these schemes. Past researches showed that power saving performance...
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