RIS-Based Wireless Signal Processing for Millimeter-Wave Blockages
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Solution Overview
Problem
Millimeter-wave frequency spectrum in 5G communication is easily blocked by obstacles, leading to increased loss of communication signals and reduced coverage areas.
Innovation Solution
A wireless signal processing method that adjusts the operation mode of devices based on configuration information determined by a control device, using a reflecting intelligent surface (RIS) to adapt to terminal movements and obstacles, ensuring flexible propagation directions of feedback beams to enhance signal intensity and quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If millimeter-wave frequency spectrum is adopted for wireless communication, then wireless frequency spectrum resources can be expanded, but the millimeter wave frequency spectrum is easily blocked by obstacles resulting in increased loss of communication signals
Solution Approach 1:
The patent introduces a reflecting intelligent surface (RIS) as an intermediary component between the transmitting and receiving devices. The RIS consists of multiple reflecting elements that can dynamically adjust the phase and amplitude of reflected signals to create alternative propagation paths around obstacles, thereby reducing signal loss while maintaining the benefits of millimeter-wave spectrum usage
2Quantity of substance
If millimeter-wave frequency spectrum is adopted for wireless communication, then wireless frequency spectrum resources can be expanded, but the coverage area is reduced due to blockages
Solution Approach 1:
The patent implements dynamic adjustment of the reflecting intelligent surface configuration based on real-time channel conditions, terminal movements, and obstacle positions. The control device dynamically optimizes the RIS configuration information to adapt to changing environmental conditions, thereby maintaining expanded coverage area while utilizing millimeter-wave spectrum resources
3Use of energy by moving object
If a reflecting intelligent surface is used to adjust propagation directions, then signal intensity can be enhanced, but the device complexity increases
Solution Approach 1:
The patent implements self-service mechanisms where the system automatically performs channel state information acquisition, configuration information generation, and operation mode adjustment without requiring complex manual configuration or intervention. The control device autonomously optimizes the RIS configuration based on reported channel conditions, thereby enhancing signal intensity while managing device complexity through automated processes
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
Expands communication coverage, reduces signal loss, and improves communication quality by dynamically adjusting operation modes to avoid blockages and ensure accurate signal transmission.
Implementation Method 1
using a reflecting intelligent surface (RIS) to adapt to terminal movements and obstacles, ensuring flexible propagation directions of feedback beams
Data Source
AI summary
The present application provides a wireless signal processing method, a controlled device, a terminal, a relay device, a control device, an electronic device and a computer-readable storage medium, relates to the field of communication technologies. The wireless signal processing method includes: acquiring configuration information determined by a control device based on frequency band information supported by a current device and operation state information reported by the current device; and adjusting an operation mode of the current device according to the configuration information, the operation mode corresponding to a propagation direction of a feedback beam.