Sensing-Aided Radio Access Communications to Reduce Beam Sweeping
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Solution Overview
Problem
Wireless communication systems face challenges in identifying suitable configurations for radio access technologies (RATs), particularly in scenarios where user equipment (UE) is moving or changing positions, leading to high overhead and increased power consumption due to repeated beam sweeping procedures.
Innovation Solution
Situational information collected by a first UE is transmitted to a network entity, which generates assistance information based on this data to aid in communications between a second UE and a second network entity, enabling efficient beam selection and configuration adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If beam sweeping procedures are performed repeatedly to identify suitable configurations for moving UEs, then communication reliability is improved, but overhead and power consumption increase
Solution Approach 1:
The patent applies preliminary action by having the first UE collect situational information (position, velocity, acceleration) and transmit it to the network entity in advance. The network entity then generates assistance information before the second UE needs to perform beam sweeping, enabling the second UE to predict suitable beam configurations and handover timing without performing exhaustive beam sweeping procedures, thereby reducing power consumption while maintaining communication reliability.
2Reliability
If beam sweeping procedures are performed repeatedly to identify suitable configurations for moving UEs, then communication reliability is improved, but overhead increases
Solution Approach 1:
The network entity performs preliminary actions by generating assistance information containing predicted beam configurations and handover timing based on situational data from the first UE. This allows the second UE to skip repeated beam sweeping procedures and directly use the predicted configurations, significantly reducing signaling overhead while maintaining communication reliability through accurate predictions.
3Productivity
If situational information is collected and processed by the network entity to generate assistance information, then communication efficiency is improved, but device complexity increases
Solution Approach 1:
The patent applies self-service by having the first UE autonomously collect situational information (position, velocity, acceleration) using its own sensors and processors, and transmit this data to the network entity. The network entity's role is reduced to receiving this pre-processed situational data and generating assistance information, thereby distributing the computational burden and reducing the complexity burden on the network entity while improving overall communication efficiency.
Data Source
AI summary
Methods, systems, and devices for wireless communications are described. Generally, the described techniques provide for using situational information provided by a first user equipment (UE) to a first network entity to aid in communications between a second UE and a second network entity. The first network entity may receive the situational information from the first UE and may generate assistance information associated with the second UE based on the situational information. The situational information may be sensing data collected at the first UE and may, in some examples, include a position, velocity, acceleration, or the like, associated with the second UE and other UEs surrounding the second UE. The first network entity may then provide the assistance information to the second network entity, the second UE, or both, and these devices may use the assistance information to identify suitable configurations for communicating with each other.