Adaptive Beamforming Control for Millimeter Wave Communication
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Solution Overview
Problem
Existing electronic devices face challenges in efficiently controlling beamforming for ultrahigh-speed communication technologies, particularly in millimeter wave frequency bands, due to increased signal attenuation and the need for adaptive beam control in dynamic environments.
Innovation Solution
An electronic device equipped with a communication module, memory, and processor that performs periodic beamforming training, adjusts the training cycle, and controls beamforming based on surrounding environment information obtained through radio signal transmission and reception. The device detects objects, sets reference objects, and monitors their states to adaptively adjust beamforming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If beamforming training is performed frequently to adapt to dynamic environments, then communication reliability is improved, but energy consumption and system complexity increase
Solution Approach 1:
The beamforming training cycle is dynamically adjusted based on environmental conditions. When objects are detected or communication quality degrades, the system performs beamforming training more frequently. When the environment is stable, the training cycle is extended, optimizing the balance between reliability and complexity.
Solution Approach 2:
The system continuously monitors communication quality metrics and environmental changes, using this feedback to determine when beamforming training is necessary. This feedback mechanism allows the system to perform training only when needed, reducing unnecessary complexity while maintaining reliability.
2Use of energy by moving object
If beamforming training cycle is extended to reduce energy consumption, then energy efficiency is improved, but communication reliability deteriorates in dynamic environments
Solution Approach 1:
Beamforming training is performed periodically with variable intervals. The period is extended during stable conditions to save energy, and shortened when environmental changes are detected to maintain reliability. This periodic action with adaptive timing resolves the contradiction between energy efficiency and reliability.
Solution Approach 2:
The system performs beamforming training in advance when environmental changes are detected, before communication quality deteriorates. This preliminary action prevents reliability issues while avoiding continuous training, thus saving energy.
3Device complexity
If conventional beamforming training is used without environmental awareness, then device complexity is reduced, but communication performance deteriorates in dynamic environments
Solution Approach 1:
The communication module serves multiple functions: it performs both conventional beamforming training and environmental sensing using the same hardware resources. This multi-functionality allows environmental awareness without significantly increasing device complexity, while improving communication efficiency through adaptive beamforming.
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
The solution enables effective environment awareness and adaptive beam control, improving communication efficiency and reliability in ultrahigh-speed communication systems by mitigating signal attenuation and adapting to changes in the external environment.
Implementation Method 1
transmitting or receiving through the communication module a radio signal for a radar function in a beam direction determined based on the beamforming training
Data Source
AI summary
Provided is an electronic device that includes a communication module, a memory, and a processor operatively connected to the communication module and the memory, which includes instructions that, when executed, cause the processor to perform beamforming training, control to transmit or receive through the communication module a radio signal for a radar function based on the beamforming training, to detect at least one object positioned based on the radio signal transmitted or received in the determined beam direction, to set at least one of the at least one object as a reference object, to periodically transmit or receive the radio signal in a direction of the reference object, to monitor a state of the reference object, based on the radio signal transmitted or received in the direction of the reference object, and to repeat the performing of the beamforming training, based on the monitoring result.