RF Sensing Assisted Wireless Communication for Beam Blockage Mitigation
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing communication parameters due to the mobility of user equipment (UE), leading to suboptimal signal strength and quality, particularly in environments where beam blockages occur unexpectedly.
Innovation Solution
Implementing radio frequency (RF) sensing to obtain movement and environment information of the UE, allowing for the adjustment of communication parameters such as beams, power levels, and resource allocations based on RF sensing information to proactively manage communication links and prevent signal degradation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wireless communication systems use traditional communication parameter management, then the system structure remains simple, but communication reliability deteriorates due to mobility and beam blockages
Solution Approach 1:
The patent applies preliminary action by using RF sensing to detect movement information and environment changes before they cause beam blockages or signal degradation. The system proactively adjusts communication parameters based on predicted UE movement and environmental conditions, preventing reliability issues before they occur rather than reacting after blockages happen.
Solution Approach 2:
The patent introduces RF sensing as an intermediary mechanism between the UE and the communication system. This sensing layer provides movement information and environment data that mediates the adjustment of communication parameters, enabling more reliable communication without directly changing the core communication protocol structure.
2Reliability
If the system dynamically adjusts communication parameters in real-time, then communication quality improves, but processing time and system response delay increase
Solution Approach 1:
The system performs RF sensing and parameter adjustment in advance based on predicted UE movement and environmental changes. By preparing communication parameter adjustments before actual blockages occur, the system reduces real-time processing delays while maintaining high signal quality.
Solution Approach 2:
The patent implements feedback mechanisms where RF sensing information about UE movement and environment is continuously monitored and fed back to adjust communication parameters. This feedback loop enables dynamic adaptation to changing conditions while optimizing the balance between response speed and processing time.
3Reliability
If beamforming is used to improve signal strength, then communication range increases, but susceptibility to beam blockages increases
Solution Approach 1:
The patent uses RF sensing to detect movement information that predicts potential beam blockages before they occur. By anticipating when beams may be blocked due to UE movement or environment changes, the system can proactively switch to alternative beams or adjust parameters to avoid blockage-related signal loss.
Solution Approach 2:
The patent makes the beamforming system dynamic by continuously adjusting beam directions and communication parameters based on real-time RF sensing information. This dynamic adaptation allows the system to respond to changing conditions and maintain signal strength while reducing susceptibility to fixed beam blockages.
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may obtain radio frequency (RF) sensing information indicating at least one of movement information associated with the UE or environment information associated with the UE. The UE may communicate, with a network entity, using a communication parameter that is based at least in part on the RF sensing information. Numerous other aspects are described.