Abstract

A system for cooperative power management can be implemented in a user equipment (UE), such as a smartphone, smart watch, or other wearable device, with concurrent cellular and wireless local area network (WLAN) connections. A UE can experience power consumption from its cellular radio, which may remain active with certain parameters even when data traffic is offloaded to a WLAN. After determining that a WLAN connection is stable, for example, the UE can signal its status to the cellular network. In response, the network can reconfigure the UE's cellular radio parameters, which can include applying a longer discontinuous reception cycle and deactivating power intensive features. This method may reduce the cellular radio's power consumption while a WLAN connection is active, potentially improving battery life while maintaining cellular reachability for services such as incoming calls.

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Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.

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