Dynamic Reporting Interval for Wireless Handover Optimization
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Solution Overview
Problem
Existing wireless communication systems face inefficiencies in managing handover processes between base stations, leading to unnecessary loading of reverse-link signals with measurement reports when the admission capacity of neighboring base stations is not considered.
Innovation Solution
A method where a UE device adjusts its reporting interval based on the admission capacity of neighboring base stations, receiving data from the serving base station to determine the current capacity and selecting an appropriate reporting interval to transmit measurement reports efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the UE device continuously transmits measurement reports to the serving base station, then the handover decision accuracy is improved, but the reverse-link load increases unnecessarily when the neighboring base station cannot admit handover
Solution Approach 1:
The reporting interval is made dynamic by adjusting it based on the admission capacity of the neighboring base station. When admission capacity is high, the reporting interval decreases (more frequent reports). When admission capacity is low, the reporting interval increases (less frequent reports). This dynamic adjustment resolves the contradiction by adapting the measurement report frequency to current network conditions.
Solution Approach 2:
The serving base station receives admission capacity information from the neighboring base station and uses this feedback to determine an appropriate reporting interval. This feedback mechanism allows the system to automatically adjust measurement report transmission based on the actual ability of the target base station to accept handover, preventing unnecessary reverse-link loading.
2Speed
If the reporting interval is shortened to improve handover responsiveness, then the handover speed is improved, but the reverse-link signaling overhead increases
Solution Approach 1:
The reporting interval dynamically adapts based on admission capacity conditions. During periods when the neighboring base station has high admission capacity, shorter reporting intervals enable faster handover response. When admission capacity is limited, longer intervals reduce signaling overhead. This resolves the contradiction by making handover speed adaptive to network conditions rather than fixed.
Solution Approach 2:
The system changes the reporting interval parameter based on admission capacity feedback. By adjusting this key parameter, the system optimizes the balance between handover speed and signaling overhead, achieving fast handover when possible and reducing overhead when admission capacity is constrained.
3Device complexity
If the UE device transmits measurement reports at fixed intervals, then the implementation simplicity is maintained, but the network resource utilization efficiency deteriorates
Solution Approach 1:
The system introduces feedback from the base station about neighboring base station admission capacity to guide the UE's reporting behavior. This feedback enables the simple UE device to adapt its reporting interval based on network conditions, improving resource utilization efficiency without significantly increasing device complexity. The UE simply follows the instructed reporting interval rather than making complex decisions.
Solution Approach 2:
The network autonomously manages resource utilization by providing admission capacity information to the UE, which then self-adjusts its reporting behavior. This self-service approach allows the UE to optimize network resource usage based on real-time conditions while maintaining implementation simplicity through automatic control rather than complex UE-side decision-making.
Data Source
AI summary
A serving base station (SBS) that provides service to a UE device can receive or determine admission capacity of a neighbor base station (NBS). The SBS can determine a reporting interval based on the admission capacity and provide the UE device with the reporting interval. Upon determining that handover from the SBS to the NBS may be necessary, the UE device can responsively start transmitting measurement data regarding the NBS to the SBS. Transmission of the measurement data can occur at intervals that equal the reporting interval. The value of the reporting interval can be conditioned on the admission capacity of the NBS. As the capacity for admitting more UE devices decreases, the likelihood of the UE device handing over to the NBS may decrease. Increasing the reporting interval for reporting measurement data regarding the NBS can reduce loading of the reverse-links to the SBS.