Antenna Beam Angle Update via Progressive Scanning
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Solution Overview
Problem
Existing radio communication systems with millimeter band signals face challenges in maintaining efficient antenna beam alignment when wireless devices are moved, leading to service interruptions and quality degradation due to the need for updating antenna settings during system operation.
Innovation Solution
A method and apparatus for quickly updating antenna beam angles by determining angle corrections using a combination of approximation and progressive scanning, allowing for rapid realignment of the antenna beam with the direction of arrival of radio waves, even when devices are displaced.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If antenna settings are updated during system operation to adapt to moved wireless devices, then communication quality is maintained, but service interruptions and quality degradation occur during the update process
Solution Approach 1:
The patent applies preliminary action by performing a progressive scan starting from a previously determined angle rather than scanning the full angular range. This pre-positioning strategy allows the system to quickly locate the new direction of arrival by incrementally adjusting the beam angle from the old position, significantly reducing the time required to update antenna settings while maintaining communication quality.
Solution Approach 2:
The patent implements dynamics by using a dynamic scanning approach that adapts the scan range and step size based on the movement characteristics of wireless devices. The progressive scan adjusts the beam angle dynamically, starting with larger steps and refining with smaller steps, allowing the system to efficiently track moving devices while minimizing service interruption time.
2Measurement precision
If a full angular scan is performed to update antenna beam angles, then accurate direction of arrival is determined, but the update process takes too long and causes service interruption
Solution Approach 1:
The patent applies segmentation by dividing the full angular scan into multiple smaller progressive steps rather than performing one comprehensive scan. The scanning process is segmented into incremental angle adjustments, where each step scans a limited angular range and refines the direction estimate, achieving accurate direction of arrival determination without requiring a time-consuming full scan.
Solution Approach 2:
The patent uses partial action by performing scans only in the relevant angular range around the previous beam direction rather than scanning the entire possible angular space. This partial scanning approach focuses computational resources on the most likely direction of arrival region, maintaining measurement precision while significantly improving update speed.
Data Source
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AI summary
The invention relates to a method for updating antenna beam angles of one or more directional antennas of a wireless device to communicate with a plurality of other wireless devices, each one of the antenna beam angles being associated with one of the plurality of other wireless devices, said method being characterized in that it comprises the steps of: determining at least one angle correction to update the antenna beam angle associated with at least one first wireless device among the plurality of other wireless devices (601, 702, 706); and first updating of the antenna beam angle associated with at least one second wireless device using the determined at least one angle correction of the antenna beam angle associated with the first wireless device (602, 703). The invention also relates to an apparatus and computer program for updating antenna beam angles.