Network-Assisted Beam Selection Using Measurement Feedback
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Solution Overview
Problem
The challenge in communication systems with beamforming is the selection of an appropriate service beam for terminal devices, as existing methods lack accuracy in determining optimal beam sets, leading to inefficiencies in signal transmission.
Innovation Solution
A beam selection method involving the access network device receiving beam measurement results and characteristic information from terminal devices to determine a target beam set, utilizing AI models for prediction and improving transmission efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If beamforming is used to concentrate antenna energy in a specific direction, then coverage range and system capacity are improved, but the complexity of beam selection for terminal devices increases
Solution Approach 1:
The patent introduces an access network device as an intermediary that assists terminal devices in beam selection. The access network device receives beam measurement results from terminal devices, determines target beam sets based on these results and beam characteristic information, and provides recommendations to terminal devices. This mediator approach resolves the complexity contradiction by centralizing the complex beam selection processing in the access network device while maintaining the beamforming benefits for coverage expansion.
Solution Approach 2:
The patent implements a feedback mechanism where terminal devices send beam measurement results back to the access network device. The access network device uses this feedback information along with beam characteristic information to determine appropriate target beam sets. This feedback loop enables adaptive beam selection that responds to actual channel conditions, resolving the complexity issue by making beam selection data-driven rather than requiring complex terminal-side processing.
2Productivity
If existing beam selection methods are used, then the system operates with simple procedures, but accuracy in determining optimal beam sets deteriorates leading to transmission inefficiencies
Solution Approach 1:
The patent applies preliminary action by having the access network device determine the target beam set in advance based on beam measurement results and beam characteristic information before actual data transmission occurs. This pre-determination of optimal beams allows the system to prepare transmission configurations ahead of time, improving transmission efficiency while maintaining high selection accuracy through sophisticated processing at the access network device rather than relying on simple terminal-side methods.
Data Source
AI summary
A beam selection method includes: receiving a beam measurement result of a reference beam sent by a terminal device; acquiring beam characteristic information of a receive beam used by the terminal device; and determining a target beam set according to the beam measurement result and the beam characteristic information.