Reflection Node Passive Meta-Surface Control During Link Failure
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Solution Overview
Problem
The risk of link failure between network nodes and reflection nodes due to disturbances on the control channel between the network node and the reflection node, which can cause communication channels to be dropped, is not adequately addressed in existing technologies.
Innovation Solution
A reflection node with a controller and transceiver unit that determines a link failure event on the control channel and controls the reflection angle of a passive meta-surface using specified reflection settings to maintain communication, and a network node that determines and manages link failure events to ensure continued communication with wireless devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a control channel is used to manage the reflection node, then the reflection node can be controlled to reflect radio waves accurately, but the control channel may experience link failure due to disturbances
Solution Approach 1:
The network node pre-configures the reflection node with reflection settings before communication occurs. These settings are stored in the reflection node's memory and can be applied automatically when link failure is detected, eliminating the need for real-time control channel communication during failures.
Solution Approach 2:
The reflection node is designed to autonomously apply pre-configured reflection settings when it detects link failure on the control channel. This self-service capability allows the reflection node to maintain communication without requiring continuous control channel connectivity.
2Reliability
If the reflection node continuously monitors the control channel for link failure, then link failure can be detected promptly, but the system complexity increases
Solution Approach 1:
The reflection node implements a feedback mechanism that monitors the control channel for link failure conditions. When link failure is detected, the monitoring triggers an automatic response by applying pre-configured reflection settings, creating a closed-loop control system that enhances reliability without requiring complex real-time processing.
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
This solution ensures a well-defined behavior of the reflection node during link failures, maintaining connections and improving system capacity and user experience by enabling the reflection node to continue controlling the reflection angle even when the control channel is disrupted.
Implementation Method 1
A reflection node comprises a controller for controlling a passive meta-surface having a controllable reflection angle for reflecting radio waves over a communication channel between a network node and a wireless device
Data Source
AI summary
There is provided a reflection node for handling link failure towards a network node. The reflection node includes a controller for controlling a passive meta-surface having a controllable reflection angle for reflecting radio waves over a communication channel between a network node and a wireless device. The reflection node includes a transceiver unit for receiving instructions from the network node over a control channel. The transceiver unit is configured to determine a link failure event on the control channel between the reflection node and the network node. The controller is configured to, during the link failure event, control the reflection angle of the passive meta-surface using reflection settings specified by configuration data for reflecting the radio waves over the communication channel.