Radio Frequency Sensitivity-Based Digital Twin and Autonomous Defect Agent System and Method

Abstract

The invention relates to an FWA radio frequency sensitivity-based digital twin and autonomous fault agent system and method that collects ambient reflections of RF signals emitted by the FWA CPE modem (100) in the 5G / 6G Fixed Wireless Access infrastructure with an ambient scanning engine (101), converts the said data into a three-dimensional ambient map using the MUSIC and ESPRIT algorithms and MIMO radar techniques with an in-home digital twin simulator (102), evaluates the topological changes in the digital twin with an autonomous core network fault agent (103) to generate beamforming optimization decisions, and restores the signal quality in a closed loop by changing the antenna phase angles with a dynamic beamforming controller (104) according to these decisions.

Description

1 TARIFF Radio Frequency Sensitivity-Based Digital Twin and Autonomous Defect Agent System and Method TECHNICAL FIELD The invention is a radio frequency sensitivity-based digital twin and autonomous troubleshooting agent system and method. It is related to. The invention is particularly relevant for 5G / 6G fixed wireless access (FWA) infrastructures. three-dimensional digital twin of the enclosed space using radio frequency sensing (RF sensing) the creation of autonomously distinguishing signal disturbances originating from the physical environment. and signal quality is improved through centralized cloud-supported closed-loop beamforming control. It is used in the field of real-time restoration. 15 PREVIOUS TECHNIQUE Mobile operators' current fault management systems affect the difference between the core network and subscriber locations. Radio 20 between customer premises equipment (CPE) It can measure performance and monitor network-side metrics related to this connection. However, these systems involve the physical indoor space where the CPE modem is located. Because it cannot perceive them directly, it can detect obstacles in the room, furniture, people, metal objects, and sufficient physical information about environmental factors affecting radio emission, such as electronic devices. It does not have environmental information. This situation means that the measurements between the core network and the CPE are physically internal. 25 interpretation independent of location conditions and the actual situation at the subscriber's location This causes the propagation environment to remain a blind spot in the fault management process. Radio reception is not consistent in enclosed spaces. Placing a box in front of the modem, or closing a door... shutting down, people moving around in the room, or an electronic device operating on the same channel 30 Events such as the device being activated can alter the main signal path or the signal itself. This can create a decrease in the level. The current failure management approach affects this in the physical environment. When the network cannot directly see the change, it perceives the signal drop caused by environmental factors. It can interpret this as a malfunction in the infrastructure and trigger a false alarm. Even if a measured performance degradation is detected in such a situation, the 35 factors causing the degradation must be identified. The location, nature, or movement of the physical disability is directly included in the disability assessment. It cannot be done. 2 In existing systems, is the root cause of signal loss due to a change in the physical environment or...? whether it is reliably caused by a genuine failure in the network infrastructure The inability to separate them creates a significant technical uncertainty. The radio of the physical medium Because the obstacle location is not modeled three-dimensionally and dynamically from its reflections, 5 Factors affecting electromagnetic emissions include obstacle materials, human presence, and movement dynamics. This information cannot be incorporated into the fault diagnosis. Similarly, the surrounding environment... The effect of hardware or dynamic changes on radio propagation is electromagnetic. evaluation through simulation and reconstruction of the signal path based on the results of this evaluation Its use in its regulation is a direct part of the existing fault management logic. 10 It is not. Root cause uncertainty leads to unnecessary fieldwork in addition to decreased customer service quality. increased technician dispatches, technical support calls and customer complaints, and This can lead to increased operational costs. Also, only 15 An approach that generates an alarm after a performance drop occurs, customer complaint. zero that remotely calibrates communication quality according to the physical environment before it occurs It does not provide a touch-based closed-loop optimization. Therefore, from radio signals sensing the physical environment, tracking that environment in a digital model, and detecting signal loss. Identifying the physical root cause and determining appropriate beamforming parameters through human intervention 20 a technical structure that readjusts in real time without requiring It is heard. As a result of research conducted in the literature, the code numbered WO2024124390A1, “Radio frequency (rf) Article 25 titled "Sensing for Beam Management" A patent document was found. This document describes how RF sensitivity is used to develop a base... Obtaining blockage information in the station beams, determining the location of user equipment. According to this, it involves assessing the blockage and selecting the appropriate beam for communication. However, The document in question describes a three-dimensional dynamic digital twin of RF reflections in a CPE environment. creation, evaluation of topological changes in the digital twin with an autonomous fault agent 30 And according to this assessment, the CPE antenna phases are readjusted in a closed loop. No evidence of its integrity has been found. As a result of research conducted in the literature, the code numbered WO2023078566A1, “Operating a wireless communication network using a digital twin (35 A patent document titled "(operation)" was found. This document concerns wireless communication. Using digital twins of network entities in the network, modeling radio channel behavior. 3 It is concerned with optimizing network behaviors, including beamforming with digital twin information. However The document in question discusses the indoor reflections of RF signals emitted by CPE. Real-time data acquisition using MUSIC and ESPRIT algorithms and MIMO radar techniques. by transforming the indoor three-dimensional obstacle and material map and the physical environment Correction of signal degradation caused by autonomous faults in a closed loop with integrity 5 No relevant evidence has been found. Ultimately, the problems mentioned above, which cannot be solved with current technology, are the subject of this technical analysis. This has made it necessary to make an innovation in the field. BRIEF DESCRIPTION OF THE INVENTION 10 The invention describes the detection of physical indoor changes in 5G / 6G FWA infrastructure via RF reflections. the perception of these changes, and the modeling of these changes on a three-dimensional digital twin, autonomous assessment of the root cause of signal degradation and beamforming Radio frequency 15 that allows parameters to be readjusted via closed-loop control. It relates to sensitivity-based digital twin and autonomous troubleshooting agent systems and methods. The main purpose of the invention is to analyze the electromagnetic reflections of radio frequency (RF) signals. using the modem to determine the locations of obstacles, obstacle materials, human presence, and The goal is to create a three-dimensional dynamic digital twin that includes the motion dynamics. 20 Another aim of the invention is to mitigate signal degradation caused by the physical environment within the network infrastructure. an autonomous fault that reduces false alarms and root cause uncertainty by separating it from other faults The goal is to provide an evaluation structure. Another aim of the invention is to dynamically adapt to topological changes detected in the digital twin. Generating beamforming decisions involves changing antenna phase angles from multipath propagation. to benefit from and improve signal quality in real time without human intervention. It is to restore. Another purpose of the invention is to reduce unnecessary field technician deployments and operational costs. while reducing bandwidth and latency in response to dynamic environmental changes. Adapting to and detecting unconventional living behaviors to ensure home security and prevent intrusion. The goal is to enable additional services such as alerts. 35 4 All the purposes mentioned above and those that will emerge from the detailed explanation below. The invention aims to achieve three-dimensional dynamics from RF reflections in a 5G / 6G FWA environment. signals originating from the physical environment are generated by topological changes in the digital twin. closed-loop dynamic beamforming control that determines its degradation accordingly. It is a system that performs; its feature is 5  Terminates the broadband radio connection at the subscriber's location and is dynamic. FWA CPE modem with phased array antenna for beamforming,  The reflections of the RF signals emitted by the FWA CPE modem from the environment are real. real-time environmental scanning engine,  Reflection data is analyzed using MUSIC and ESPRIT algorithms with MIMO radar techniques 10 indoor systems that operate using and create a three-dimensional virtual space and obstacle map. digital twin simulator,  Beamforming optimization by evaluating topological changes in the digital twin autonomous core network fault agent that makes the decision,  According to the beamforming optimization decision made, the antenna phase of the CPE modem is 15 dynamic beam controller that changes angles It includes. The structure of the invention and the best understanding of its advantages, including additional components. This should be evaluated together with the figures explained below. 20 BRIEF DESCRIPTION OF THE FIGURES Figure 1 shows the FWA radio frequency sensitivity-based digital twin and autonomous troubleshooting agent system. This is a representative schematic illustration. 25 The drawings do not necessarily need to be scaled and are necessary for understanding the invention. Details that are not present may have been overlooked. Furthermore, at least to a significant extent... Identical elements or elements with similar functions are numbered the same way. It is shown. 30 REFERENCE NUMBERS 100. FWA CPE modem 101. Environment scanning engine 35 102. Indoor digital twin simulator 103. Autonomous core network fault agent 104. Dynamic beamforming controller DETAILED DESCRIPTION OF THE INVENTION This detailed explanation describes the invention, a radio frequency sensitivity-based digital twin and 5. The autonomous troubleshooting agent system and method are not merely for the purpose of better understanding the subject; they are for nothing more than... This is explained with examples that will not create a limiting effect. The FWA CPE modem (100) included in the invention provides broadband radio at the subscriber location. phased array 10 that terminates the connection and enables dynamic beamforming. It is a modem with an antenna structure. Environment scanning engine (101), FWA CPE modem (100) components of RF signals emitted by or reaching the modem that are reflected from the environment It analyzes in real time and can transmit these reflections to a central cloud system. It is the engine that converts the reflection data. Indoor digital twin simulator (102), environment scanning RF data obtained by the engine (101) are converted to MIMO 15 with MUSIC and ESPRIT algorithms. It operates using radar techniques to determine the three-dimensional geometry of the room where the modem is located. It is a simulator that maps obstacle locations, obstacle materials, and movement dynamics. Autonomous core network fault agent (103) generated by in-home digital twin simulator (102) Generating beamforming optimization decisions by evaluating topological changes in the digital twin. and is the agent that executes the closed-loop control logic. Dynamic beamforming controller (104), 20 In accordance with the decision produced by the autonomous core network fault agent (103), FWA CPE transmitting the beamforming vector which changes the antenna signal phases of the modem (100) and RF It is the controller that acts as an adjustment agent. Within the scope of physical environment perception, thanks to the processing of radio signals using radar principles, 25 A three-dimensional dynamic digital twin of the room where the modem is located is created. Engel Locations, materials, human presence, and movement dynamics of electromagnetic waves This is detected through reflections such as furniture and belongings at the subscriber's location. Center for the effect of hardware changes or other environmental changes on radio emissions Ray tracing and partial finite difference time domain (FDTD) in cloud architecture 30 It can be mathematically modeled through electromagnetic simulation. In closed-loop optimization, core network control interfaces, 3GPP control plane, and XN are used. Zero-touch optimization commands can be defined for the subscriber's device via the interface. And no human intervention is required. People walk, doors open, and electronic 35 Real-time signals are generated by detecting dynamic environmental changes, such as turning devices on. Calibration is being performed, this adaptation will not result in a decrease in bandwidth or latency. 6 This structure ensures that communication quality is maintained without customer complaints. or can be calibrated remotely without being reflected in the management system, eliminating unnecessary fieldwork. Technician deployments can be reduced. During the environment scan, the environment scan engine (101) displays 5 on the FWA CPE modem (100). by working with the signals emitted by or reaching the FWA CPE modem (100) It continuously collects the randomly reflected components from the environment. The collected reflection data... It is sent to the central cloud system and the obstacles in the environment in the electromagnetic spectrum It functions like a radar image. The indoor digital twin simulator (102) shows this RF reflection. MIMO radar techniques with MUSIC and ESPRIT-based angle of incidence estimation on the data. By applying this method, the three-dimensional geometry of the room and the positions of the obstacles within it, using metal, It maps the material properties and movement dynamics of materials such as wood and concrete. During fault analysis, the autonomous core network fault agent (103), in-home digital twin simulator (102) the digital twin simulated by and the topological changes in said digital twin 15 It evaluates, for example, the appearance of a cupboard in front of the entrance door to the room and this If the cabinet blocks the main signal path, the autonomous core network fault agent (103) will block the signal. Beamforming optimization for transmitting light by bouncing it off a wall instead of directly onto the path. It can make the decision. Thus, signal degradation caused by the physical environment can affect the network infrastructure. It can be separated from its fault. 20 Decision generated by the autonomous core network fault agent (103) during beamforming control It is transmitted to the dynamic beam controller (104). Dynamic beam controller (104) sends a new antenna phase angle vector to the FWA CPE modem (100) and FWA CPE The modem's (100) phased array antenna directs the signal around the physical obstacle, wall 25 or is adjusted to bounce off other surfaces. This is the use of multipath propagation. As a result, signal quality is restored in real time and customer service is not lost. He is not alive. In one configuration, the autonomous core network fault agent (103), O-RAN (Open Radio Access 30 Within the Network architecture, it operates within the RIC (RAN Intelligent Controller) module. It can be implemented as a smart radio management application in the form of an xApp or rApp. Autonomous core network fault agent (103), data analysis and machine in Non-RT RIC field. It can perform learning-based optimization, using CU (Central Unit) and DU (Distributed Unit). By communicating with the Unit, it can transmit beam control commands via the F1 interface. 35 In addition to the basic signal optimization function, the environment scanning engine (101) detects out-of-mold in the environment. 7 It can be used to detect living movements, and as a result of this detection, indoor Security and intrusion warning functions can be provided. The invention describes an autonomous conveyor that moves between shelves in industrial warehouse automation. 5 to reduce signal blind spots for robots and ensure Wi-Fi 6E connectivity continuity It is applicable. The invention is suitable for stadiums and other environments with high and dynamic human traffic. In exhibition areas, Wi-Fi 7 or 5G signal adaptation provides better signal in crowded environments. It can be applied to ensure stability. The invention relates to patient transport carts and medical equipment. Ensuring indoor signal quality in hospital corridors where devices move It can be applied for the purpose of obtaining 10 passengers' Wi-Fi connections in the aircraft cabin. Improving the signal path by utilizing the diffraction properties of metallic walls, It can be implemented to reduce collisions and speed up the connection. The steps involved in the process are as follows:  15 of the RF signals emitted by or reaching the FWA CPE modem (100) The components reflected from the environment are continuously scanned by the environment scanning engine (101). collected and transferred to a central cloud system,  Indoor digital twin based on reflection data collected by the ambient scanning engine (101) MIMO with MUSIC and ESPRIT direction angle estimation via simulator (102). By applying radar techniques, three-dimensional spatial geometry, obstacle positions, 20 mapping of materials and movement dynamics,  Topological in the digital twin generated by the in-home digital twin simulator (102) changes are evaluated by the autonomous core network fault agent (103) physical obstacle affecting the signal path and beamforming to be applied against it Determining the optimization decision, 25  Beamforming determined by the autonomous core network fault agent (103) According to the optimization decision, by the dynamic beamforming controller (104) Multipath propagation by transmitting the antenna phase angle vector to the FWA CPE modem (100). Applying the beamforming setting to be used,  Beam adjustment applied by the dynamic beam controller (104) 30 As a result, the communication signal quality of the FWA CPE modem (100) is real. timely restoration. The working principle is generally based on the radiation emitted by the FWA CPE modem (100) or to the modem. 35 The ambient reflections of the incoming RF signals are determined by the ambient scanning engine (101). the collection of these reflections into a three-dimensional environmental map using an indoor digital twin simulator (102). transformation of physical environmental change with autonomous core network failure agent (103) 8 and determining the appropriate beamforming decision, the dynamic beamforming controller (104) and the antenna the cycle of changing the phase angle vector and restoring signal quality It is based on; this closed-loop structure allows physical barriers to change dynamically in homes or other places. It enables automatic signal path rearrangement in workplace environments.

Claims

9 REQUESTS 1. In 5G / 6G fixed wireless access infrastructure, running on an electronic processing unit. A three-dimensional digital twin of the indoor space from RF reflections via software. creation and reduction of signal degradation caused by the physical environment in closed-loop beamforming 5 FWA radio frequency sensitivity-based digital twin developed for correction and It is an autonomous troubleshooting system, and its feature is;  Terminates the broadband radio connection at the subscriber's location and is dynamic. FWA CPE modem with phase array antenna for beamforming (100),  RF signals emitted by the FWA CPE modem (100) are 10 from the environment an environment that analyzes reflections in real time and generates reflection data. scanning engine (101),  MUSIC and RF data generated by the ambient scanning engine (101) It operates using ESPRIT algorithms and interacts with three-dimensional virtual spaces and obstacles. indoor digital twin simulator (102) that creates the map, 15  Topological in the digital twin generated by the in-home digital twin simulator (102) An autonomous system that makes beamforming optimization decisions by evaluating changes. Core network fault agent (103),  Beamforming generated by the autonomous core network fault agent (103) According to the optimization decision, the antenna phase angles of the FWA CPE modem (100) are 20 dynamic beamforming controller that transmits the beamforming vector to change it (104) It includes.

2. The system compliant with Claim 1, its feature is; the home digital twin simulator (102), RF 25 In the three-dimensional digital twin created from reflection data, environmental changes are reflected by radio waves. ray tracing and parabolic FDTD electromagnetic simulation of its effect on propagation It is a simulator that mathematically models using this method.

3. The system is compliant with Claim 1, and its feature is that the autonomous core network fault agent (103), 3GPP 30 Zero touch to FWA CPE modem (100) via control plane and XN interface It is an agent that defines closed-loop optimization commands.

4. The system is compliant with claim 1 and its feature is that the autonomous core network fault agent (103), O- Non-RT 35, running as xApp or rApp within a RIC module in a RAN architecture. Performing data analysis and machine learning-based optimization in the RIC field, and It is an agent that transmits beam control commands from CU and DU to the F1 interface.

5. The system is compliant with Claim 1 and its feature is that the environment scanning engine (101) remains in the environment. Detecting external living movements through RF reflections to ensure indoor security and prevent unauthorized entry. It is an engine that generates detection data for the warning.

6. The system is compliant with claim 1 and its feature is the dynamic beamforming controller (104), generated by people walking, doors opening, or electronic devices being turned on while providing real-time signal calibration according to dynamic environmental changes It is a controller that does not cause a decrease in bandwidth or latency.

7. In 5G / 6G Fixed Wireless Access infrastructure, the electronic processing unit is used to run the process. A three-dimensional digital twin of the indoor space from RF reflections via software. creation and reduction of signal degradation caused by the physical environment using closed-loop beamforming. It is a method for correcting [the problem], and its characteristic feature is;  RF 15 emitted by or reaching the FWA CPE modem (100) the ambient scanning engine of the components of the signals reflected from the environment (101) continuously collected and transferred to a central cloud system,  Indoor digital reflection data collected by the ambient scanning engine (101) Estimation of the direction angle of MUSIC and ESPRIT via twin simulator (102) By applying MIMO radar techniques, the three-dimensional spatial geometry of the obstacle 20 mapping their locations, materials, and movement dynamics,  Topological in the digital twin generated by the in-home digital twin simulator (102) changes by autonomous core network fault agent (103) by evaluating the physical obstacle affecting the signal path and countermeasures Determining the beamforming optimization decision to be implemented, 25  Beamforming determined by the autonomous core network fault agent (103) According to the optimization decision, by the dynamic beamforming controller (104) Multipath propagation by transmitting the antenna phase angle vector to the FWA CPE modem (100). Applying the beamforming setting to be used,  Beam adjustment applied by the dynamic beam controller (104) 30 As a result, the communication signal quality of the FWA CPE modem (100) is real. timely restoration It includes the steps of the process.

8. The method is compliant with claim 7, and its feature is; RF 35 by the in-home digital twin simulator (102). In the digital twin created from reflection data, environmental changes are reflected by radio waves. 11 its effect on propagation through ray tracing and parabolic FDTD electromagnetic simulation It involves the step of mathematically modeling the process.

9. The method is compliant with claim 7 and its feature is; autonomous core network fault agent (103) 5 by 3GPP control plane and XN interface to FWA CPE modem. (100) Zero-touch closed-loop optimization that requires no human intervention The definition of the command includes the process step.

10. The method is compliant with claim 7 and its feature is; autonomous core network fault agent (103) Data analysis and machine learning in the Non-RT RIC domain in O-RAN architecture by 10 Learning-based optimization is performed through communication with CU and DU. This involves the step of transmitting the beam control command to the F1 interface.

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