UE-Object Beam Management Using Sensing Signals in 5G NR
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
There is a need for improved beam management in 5G NR technology to enhance communication systems, particularly in managing associations between user equipment (UE) and objects, which is not adequately addressed by existing technologies.
Innovation Solution
A method and apparatus for user equipment (UE) and network nodes to transmit and receive sensing signals or channel state information reference signals (CSI-RS) to determine the location of objects associated with the UE, allowing for effective beam management and communication based on calculated object locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional beam management methods are used, then the system structure remains simple, but the ability to accurately identify and manage UE-object associations deteriorates
Solution Approach 1:
The patent introduces sensing signals as an intermediary mechanism to indirectly detect object locations and UE-object associations. Instead of directly measuring object positions, the system transmits sensing signals that reflect off objects and UE, using the reflected signals to infer association relationships, thereby achieving accurate measurement without direct complex measurement systems
Solution Approach 2:
The sensing signals serve multiple functions simultaneously: they enable object location detection, identify UE-object associations, and provide beam management information. This multi-functionality allows the system to achieve precise measurement capabilities without proportionally increasing system complexity, as a single signal mechanism supports multiple measurement tasks
2Reliability
If sensing signals are transmitted to determine object locations, then beam management accuracy is improved, but signal transmission time increases
Solution Approach 1:
The system continuously transmits sensing signals and monitors reflections to maintain up-to-date knowledge of object locations and UE-object associations. This continuous operation ensures that beam management decisions are based on current information, improving reliability while the continuous nature of the process integrates time overhead into the operational flow rather than adding discrete delays
Solution Approach 2:
The system uses reflections of sensing signals as feedback to determine object locations and associations. By analyzing the reflected signals, the system quickly infers spatial relationships and association status, enabling rapid beam management decisions. The feedback mechanism allows for efficient information extraction without requiring prolonged signal transmission periods
3Reliability
If UE-object association monitoring is implemented, then communication reliability is improved, but device complexity increases
Solution Approach 1:
The UE utilizes its own sensing signal transmissions and reflections to monitor its own associations with objects. The UE analyzes signals reflected from objects to determine association relationships, enabling self-monitoring and self-reporting of association status without requiring complex external monitoring systems or additional dedicated hardware
Solution Approach 2:
The patent combines beam management functions with UE-object association monitoring into a unified process. The same sensing signals and processing mechanisms used for beam management also serve to identify and monitor UE-object associations, merging multiple functions into a single system approach that improves communication reliability without proportionally increasing UE complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances beam management by accurately identifying and communicating with objects associated with UE, improving communication efficiency and reliability in 5G NR systems.
Implementation Method 1
The network node may transmit a sensing signal to determine a location of an object associated with a UE. The network node may receive a reflection of the sensing signal. The network node may calculate the location of the object based on the received reflection of the sensing signal.
Data Source
AI summary
A user equipment (UE) may receive at least one of a sensing signal for an object associated with the UE or of a channel state information (CSI) reference signal (CSI-RS) from a network node. The UE may transmit an indication of a broken association with the object based on at least one of the sensing signal or the CSI-RS. The UE may measure a strength of at least one of the sensing signal or the CSI-RS. The UE may measure at least one of a reference signal receive power (RSRP) or a relative RSRP backoff associated with at least one of the sensing signal or the CSI-RS. The UE may transmit the indication of the broken association in response to the measured strength of at least one of the sensing signal or the CSI-RS being less than or equal to a signal strength threshold value.