5G Beam Window Adjustment for Paging Reliability
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Solution Overview
Problem
In 5G systems operating at high bands, conventional omnidirectional transmission is ineffective due to poor radio wave propagation, necessitating beam scanning and management for communication between User Equipment (UE) and base stations, which leads to information redundancy and increased power consumption.
Innovation Solution
A method and apparatus for beam reporting and adjustment, where UE reports a beam updating message to the base station when the SSB index is outside a predetermined beam window, allowing the base station to adjust beams and maintain a specific number of beams for efficient paging message transmission, reducing unnecessary notifications and power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If beam scanning and beam management are implemented for 5G high band communication, then communication reliability is improved, but information redundancy and power consumption increase
Solution Approach 1:
The base station performs preliminary beam management by maintaining a predetermined beam window and proactively adjusting beams before paging messages need to be transmitted. The UE reports beam status periodically, allowing the base station to pre-establish the optimal beam configuration, thereby avoiding the need for exhaustive beam scanning when paging messages are sent.
Solution Approach 2:
Instead of scanning all possible beams, the system maintains only a predetermined beam window that is sufficient for reliable communication. The base station uses partial beam information from UE reports to manage paging, avoiding the excessive action of checking all potential beams while maintaining adequate communication reliability.
2Reliability
If beam scanning is performed for paging message transmission, then communication reliability is improved, but information redundancy increases
Solution Approach 1:
The UE periodically reports its beam status and location information to the base station. This feedback mechanism allows the base station to update the predetermined beam window with actual UE position data, enabling the system to send paging messages through the most relevant beams only, thereby reducing information redundancy while maintaining transmission reliability.
Solution Approach 2:
The beam window is dynamically adjusted based on UE reports and changing communication conditions. The base station updates the beam window parameters to reflect current UE location and preferred beams, transforming the static beam scanning approach into a dynamic system that adapts to real-time conditions and avoids redundant paging transmissions.
Data Source
AI summary
Provided are methods and apparatuses for beam reporting and adjustment, UE, a base station and a computer-readable storage medium. The beam reporting method includes: in response to that a number of times that an index of a SSB obtained by downlink synchronization is not within a predetermined beam window reaches a preset number of times, reporting a beam updating message to a base station; and receiving a beam update confirmation message from the base station. Accordingly, in response to the number of times that the index of the SSB obtained by downlink synchronization is not in the predetermined beam window reaches the preset number of times, the beam updating message is reported to the base station to enable the base station to adjust a beam, so that a certain number of beams can always be kept between the UE and the base station, thereby providing a basis for subsequent receiving of a paging message through part of the beams.