Base Station Handover Parameter Setting via Self-Measurement
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Solution Overview
Problem
Existing handover parameter setting methods struggle to perfectly trigger handovers between base stations, leading to either too early or too late handovers, affecting user experience due to difficulties in setting appropriate switching parameters.
Innovation Solution
A method where a base station measures the signal intensity of neighboring base stations itself, calculates a specific region signal intensity, and sets handover parameters accordingly, using equations like distance-signal intensity equations to determine optimal handover conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If handover parameters are set manually or using conventional methods, then the system can operate with simple configuration, but the handover triggering accuracy deteriorates leading to too early or too late handovers
Solution Approach 1:
The base station performs self-measurement of neighboring base station signal intensities using its own receiving units, eliminating the need for external measurement devices or complex manual configuration. The base station automatically calculates specific region signal intensities and determines handover parameters based on its own measurement capabilities,实现ing self-service for accurate handover parameter setting.
Solution Approach 2:
The base station pre-calculates specific region signal intensities for different regions before handover decisions are needed. By performing preliminary measurements and calculations of signal intensities in various regions, the base station prepares handover parameter data in advance, enabling accurate and timely handover triggering when needed without causing delays.
2Stability of the object's composition
If handover parameters are set too conservatively to avoid premature handovers, then handover stability improves, but handover responsiveness deteriorates causing late handovers
Solution Approach 1:
The base station calculates different specific region signal intensities for different spatial regions, allowing handover parameters to be optimized locally for each region's characteristics. This enables the system to achieve both stability in regions where conservative parameters are appropriate and responsiveness in regions where aggressive handover is beneficial, with each region having its own optimized parameters.
Solution Approach 2:
The handover parameters are made dynamic by calculating specific region signal intensities that can adapt to changing conditions. The base station continuously updates signal intensity measurements and recalculates handover parameters based on current network conditions and UE locations, allowing the system to dynamically adjust between conservative and aggressive handover strategies as needed.
3Reliability
If the base station measures neighboring signal intensities itself, then measurement reliability improves, but the complexity of the base station increases
Solution Approach 1:
The base station's receiving units are designed to perform multiple functions: they serve both for normal communication signal reception and for measuring neighboring base station signal intensities. By making the receiving units multi-functional, the system achieves reliable self-measurement capabilities without adding separate dedicated measurement hardware, thus avoiding excessive complexity increase.
Solution Approach 2:
The measurement function is merged with the existing base station infrastructure. The base station combines its communication functions with measurement functions in a unified system, where the same hardware resources (receiving units, processors) are used for both serving UEs and performing neighboring cell measurements, thereby achieving reliability improvement without proportional complexity increase.
Data Source
AI summary
A handover parameter setting method, which comprises: (a) a BS measuring a neighboring BS signal intensity by the BS itself; (b) the BS calculating a specific region signal intensity according to the neighboring BS signal intensity, wherein the specific region signal intensity is an expected signal intensity of the BS or the neighboring BS in a specific region; and (c) the BS setting a handover parameter according to the specific region signal intensity. By this way, the BS can measure the signal intensities of the neighboring BSes by itself, and controls the UE to handover at an appropriate neighboring BS signal intensity.