UE Wireless Charging Handover Between Base Stations
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Solution Overview
Problem
Existing wireless charging technologies face challenges in seamlessly transitioning wireless charging of User Equipment (UE) between base stations during network service usage and movement from one base station to another.
Innovation Solution
A method and apparatus for controlling UE charging, where a source base station determines a target base station based on measurement reports and sends wireless charging information to it, ensuring continuous wireless charging through radio frequency technology during base station switching, using interfaces like X2 or Xn and handover request signaling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wireless charging is performed during base station switching, then charging continuity is improved, but information transfer complexity increases
Solution Approach 1:
The source base station sends wireless charging information to the target base station before the UE completes handover. This preliminary action ensures that the target base station already has the necessary charging information ready, enabling seamless charging continuity without interrupting the UE during handover.
Solution Approach 2:
The patent uses handover request signaling as an intermediary mechanism to transfer wireless charging information from the source base station to the target base station. This intermediary approach integrates information transfer into the existing handover protocol, avoiding the need for separate complex communication channels.
2Reliability
If wireless charging information is transferred between base stations, then charging service continuity is improved, but signaling overhead increases
Solution Approach 1:
The patent merges wireless charging information transfer with the existing handover request signaling process. By combining these two functions into a single signaling exchange, the patent avoids creating separate dedicated signaling channels, thereby reducing overall signaling overhead while ensuring charging information is successfully transferred.
Solution Approach 2:
The handover request signaling is enhanced to serve multiple functions: it simultaneously handles handover coordination and wireless charging information transfer. This multi-functionality approach allows the same signaling mechanism to support both mobility management and charging service continuity, reducing the need for additional specialized signaling.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables uninterrupted wireless charging of UE during base station switching by effectively transferring charging information and configurations between base stations, enhancing the reliability and continuity of wireless charging services.
Implementation Method 1
The radio frequency technology includes an air charging technology in which a spatial electric field is used as a medium of energy transmission, for example, energy may be transmitted to a User Equipment (UE) in the form of extremely narrow beams of millimeter wave by a large number of antennas
Data Source
AI summary
Provided are methods of controlling charging for a user equipment (UE), and a communication device. One of the methods includes: in response to a measurement report of a UE, a source base station determining a target base station for the UE; and sending wireless charging information of the UE to the target base station.