Quantum Synchronization-Based NTN Shared Time Distribution Service System

Abstract

The invention is an intelligent time distribution service system that provides high-precision and consistent time synchronization across the network using quantum clock reference in Non-Terrestrial Network (NTN) infrastructure used in 5G / 6G and beyond generation communication systems, and includes a quantum clock reference unit (101) that produces a high-precision time reference with atomic-level stability, a delay compensation module (102) that calculates and compensates for variable propagation delays between satellite and ground in real time, a time distribution service (103) that transmits the compensated time reference to all network components including gateway and gNB, and a synchronization verification unit (104) that monitors the accuracy of the distributed time reference, detects deviations and generates alerts.

Description

1 TARIFF Quantum Synchronization-Based NTN Shared Time Distribution Service System Technical Area 5 The invention relates to Non-Terrestrial Networks used in 5G / 6G and beyond generation communication systems. (NTN) infrastructure, using quantum clock reference, high precision across the network. and involves an intelligent time distribution service that ensures consistent time synchronization. State of the Art 10 In current NTN systems, time synchronization is achieved using GPS / GNSS-based references or This is provided via PTP (Precision Time Protocol). However, LEO satellite systems... Due to their high mobility and variable delay profiles, these methods have a certain characteristic. It contains a synchronization error. NTN as defined under 3GPP Release 17 and 18. Timing procedures, 15 where satellite-to-ground propagation delay is assumed to be constant. It is based on the assumption that; whereas in LEO orbits this delay is significant, occurring within seconds. It varies considerably. Reliability is seriously compromised in cases of GNSS signal attenuation or jamming. the varying delays are decreasing, especially in NTN structures with multiple satellite layers. The profiles make it difficult to ensure consistent time across all network components. These shortcomings, Scheduling errors in uplink synchronization requiring precise timing, HARQ 20 This leads to delays in processes, resulting in conflicts and disruptions in network-wide coordination. This opens the door. Currently, research in this field is insufficient. Therefore, the relevant... It has become necessary to make improvements in the technical field. Purpose of the Invention 25 The invention was created by drawing inspiration from existing situations and overcoming the aforementioned drawbacks. It aims to solve the problem. The main purpose of the invention is to develop non-GMO communication systems used in 5G / 6G and beyond. In terrestrial network (NTN) infrastructure, quantum clock reference is used across the network. An intelligent time distribution that provides highly accurate and consistent time synchronization 30 to provide the service. Another aim of the invention is to bring together all network components, including gateways, gNBs, and end devices. The goal is to make it work within a specific time frame. Another aim of the invention is to eliminate dependence on external GNSS-based timing sources. The goal is to eliminate; especially URLLC applications, synchronized measurement systems and precise positioning 35 In critical scenarios requiring timing accuracy at the nanosecond level, such as services, 2 Variable delay profiles resulting from the high mobility of LEO satellite systems The goal is to provide a consistent time base across all network components. To achieve the purposes described above, the invention is suitable for 5G / 6G and beyond generation communications. In the Non-Terrestrial Network (NTN) infrastructure used in these systems, quantum clock Using its reference, achieve highly accurate and consistent time synchronization across the network. 5 It is an intelligent time allocation service system that provides; Quantum clock reference that produces high-precision time reference with atomic-level stability. unit, Compensates for variable propagation delays between satellite and ground by calculating them in real time. delay compensation module, 10 transmitting the compensated time reference to all network components, including the gateway and gNB. time distribution service, It monitors the accuracy of the distributed time reference, detects deviations, and generates warnings. synchronization verification unit It includes. 15 The structural and characteristic features and all the advantages of the invention are given in the figures below. Thanks to the detailed explanation written with references to the figures, it becomes clearer. This will be understood, and therefore the evaluation should also take these figures and detailed explanations into account. It must be done by taking it. Figures that will help understand the invention. Figure 1 shows the general architecture of the system that is the subject of the invention. Explanation of Part References 101. Quantum clock reference unit 102. Delay compensation module 25 103. Time distribution service 104. Synchronization verification unit Detailed Description of the Invention In this detailed description, the preferred configurations of the system in question are only 30 This will contribute to a better understanding of the subject and will not have any limiting effects. The invention relates to Non-Terrestrial Networks used in 5G / 6G and beyond generation communication systems. (NTN) infrastructure, using quantum clock reference, high precision across the network. and is an intelligent time distribution service system that provides consistent time synchronization, Quantum clock reference 35, which produces a high-precision time reference with atomic-level stability. unit (101) calculates the variable propagation delays between satellite and ground in real time. 3 Compensating delay compensation module (102), compensated time reference Time distribution service (103) which transmits to all network components including gateway and gNB, distributed It monitors the accuracy of the time reference, detects deviations, and generates warnings. It includes a synchronization verification unit (104). The system in question was first introduced using a quantum clock reference unit (101) to measure nanoseconds 5 It produces a time reference with six levels of accuracy; this reference is dependent on the external GNSS signal. By eliminating this, it ensures the network has a reliable time base under all conditions. Delay compensation module (102), instantaneous orbital data and signal of each satellite component. It calculates the delay correction value on a line-by-line basis using the propagation time and time. It dynamically updates its reference based on this value; this allows for the rapid 10° orbits of LEO. Errors caused by varying delay profiles are minimized. Time distribution service. (103) transmits the corrected time reference to all gateways and gNBs simultaneously and the network It ensures that its components operate on a common timeframe. In the final stage... Synchronization verification unit (104), periodically timestamps from components It compares the data with a central reference, and when deviations exceeding the defined threshold are detected, 15 It triggers the automatic correction mechanism and sends a detailed alert to the system administrator.

Claims

4 REQUESTS 1. Non-Terrestrial Network (NTN) used in 5G / 6G and beyond generation communication systems. In its infrastructure, it uses quantum clock reference to provide high precision across the network. It is an intelligent time distribution service system that provides consistent time synchronization, Feature; 5 Quantum clock that produces high-precision time reference with atomic-level stability reference unit (101), by calculating variable propagation delays between satellite and ground in real time Compensating delay compensation module (102), 10 that transmits the compensated time reference to all network components, including the gateway and gNB. time distribution service (103), It monitors the accuracy of the distributed time reference, detects deviations, and generates warnings. Synchronization verification unit (104) It includes.

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