Power Management

Power control algorithms manage power consumption in radio transceivers by intelligently adjusting transmission power and signal processing activities. Smart power control mechanisms minimize power consumption and reduce interference in a cellular wireless network.

Save Money on Power & Improve Spectral Efficiency

Uplink power control uses both open loop and closed loop power controls. Advanced power control mechanisms enable handsets and base stations to automatically take adaptive modulation and coding into account when calculating power adjustments. This adaptive power control saves power while increasing spectral efficiency.


Reduce Transceiver Power Consumption

Power control adaptively controls signal processing in the handset by enabling carrier activation. Secondary carriers are dynamically inactivated when not needed. This adaptive power control reduces overall power consumption. For handsets, power control extends battery life making end-users happier.



Exploiting DRX/DTX Reduces Signal Processing

A concrete power saving solution exploits Discontinuous Reception (DRX) and Discontinuous Transmission (DTX). This technique reduces the time that a terminal processes downlink and uplink signals. Overall, these reduced processing states save battery power when there is no traffic activity.


Inter-Band Carrier Aggregation and HETNET Introduce New Opportunities to Conserve Power

LTE-Advanced enables different deployment scenarios with band specific relay nodes, repeaters, and remote radio heads. Within various deployment scenarios, different carriers may be transmitted with different powers. Cooperative power control among multiple neighboring base stations is enabled by backhaul signaling for advanced inter-base station power control techniques. These new techniques conserve power through intelligent cooperation of carrier power usage.


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