Bridging Beam Switching to Prevent Ping-Pong Events
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Solution Overview
Problem
The increase in the number of directional beams in mobile communication systems like 5G NR and 6G leads to frequent ping-pong beam-switching events at beam edges, causing communication link degradation, disconnection, and instability, which results in excessive system load, processing delays, and power consumption.
Innovation Solution
A bridging beam-switching method that generates a bridging beam covering the boundary region between two directional beams, eliminating ping-pong events by switching to this bridging beam to stabilize communication links.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the number of directional beams is increased to improve coverage and capacity, then communication capacity and coverage are improved, but the number of beam-switching events increases causing system load and power consumption to increase
Solution Approach 1:
A bridging beam is introduced as an intermediary between two directional beams (first and second beams) to mediate beam-switching operations. The bridging beam covers the boundary region between the two directional beams, acting as a buffer that prevents direct switching between them, thereby reducing ping-pong effects and stabilizing communication links while maintaining system capacity.
2Area of stationary object
If the number of directional beams is increased to improve coverage, then communication coverage is improved, but communication link stability deteriorates due to frequent beam-switching at beam edges
Solution Approach 1:
The bridging beam serves as a mediator that covers the boundary region between two directional beams. When a communication device moves through the boundary region, the bridging beam provides continuous coverage, preventing communication link disconnection and instability that would otherwise occur during frequent beam-switching events.
Solution Approach 2:
The bridging beam is pre-configured to cover the boundary region between two directional beams before any beam-switching events occur. This preliminary arrangement ensures that when devices move through boundary regions, stable communication is maintained without experiencing ping-pong beam-switching effects.
3Speed
If beam-switching between directional beams is performed to track moving devices, then communication tracking is improved, but ping-pong beam-switching events occur causing communication quality degradation
Solution Approach 1:
The bridging beam acts as an intermediary that absorbs transitions between two directional beams. When a communication device moves through the boundary region, the bridging beam maintains continuous coverage, preventing ping-pong beam-switching events and ensuring stable communication quality while still enabling tracking of moving devices.
Data Source
AI summary
The disclosed provides a beam-switching apparatus and method that generates and uses a bridging beam to cover the boundary region between a pre-switching directional beam and a target directional beam for beam-switching during beam-switching, enabling smoother transition and eliminating beam-edge effects in a communication system using directional beams.