Data analysis system based on mass communication of low earth orbit satellites

Abstract

The invention discloses a data analysis system based on low earth orbit satellite mass communication, which comprises a UE terminal, a base station, a personal Internet of Things, a low earth orbit satellite and a 5G core network, the 5G core network comprises an NWDAF network element, the personal Internet of Things comprises a PINE network element located at the base station side and a PINF network element located at the 5G core network side, the UE terminal sends an intelligent monitoring analysis request to the NWDAF network element through the base station, and the NWDAF network element sends the intelligent monitoring analysis request to the NWDAF network element through the base station. The NWDAF network element sends an AI service data acquisition requirement to a PINF network element; the PINF network element selects a PINE network element according to the AI service data acquisition requirement, and sends an AI service data acquisition request carrying the monitoring requirement to the specified PINE network element through a low-orbit satellite; the PINE network element collects data according to monitoring requirements and sends the data to the PINF network element through a low-orbit satellite; the PINF network element sends the collected data to an NWDAF network element; and the NWDAF network element performs data analysis on the acquired data to obtain an analysis result, and forwards the analysis result to the UE terminal through the base station. Compared with the prior art, a large amount of collected data can be quickly transmitted and used for data analysis.

Description

Technical Field

[0001] The present invention relates to the field of 5G communications, and in particular to a data analysis system based on mass communications of low-orbit satellites. Background Art

[0002] As digital agriculture develops, the demand for communication networks in agricultural systems is expected to grow exponentially. In addition, satellite connectivity is the only access to this network in rural areas. As discussed in the first phase of 3GPP workshops on IMT-2030 use cases, large-scale communication is one of the potential NTN use cases in 6G. The agricultural industry requires future networks to provide large-scale communications between UEs, data collection terminals, machinery, and farm management systems in a wide range of areas to optimize agricultural production operations.

[0003] The requirements for each specific use case associated with 6G may vary, such as connectivity in rural / remote areas, autonomous decision-making, accurate geo-positioning, latency, throughput, energy consumption, network security, etc. For example, agricultural machinery is automatically started in a vast agricultural area with satellite coverage. It requires remote control with low latency and low energy consumption without strict throughput requirements. For drone detection with video streaming back, not only low latency and low energy consumption are required, but also higher bandwidth and throughput.

[0004] However, large-scale communications over large areas with satellite access should be considered as a fundamental prerequisite for all these use cases to achieve comprehensive digital agriculture. Connecting all IoT devices in farm greenhouses, harvesting robots, drones and other terminals relying solely on terrestrial access networks is a huge challenge.

[0005] Therefore, there is an urgent need for a data analysis system based on large-scale communications of low-orbit satellites that can solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to provide a data analysis system based on mass communication of low-orbit satellites, which can quickly transmit a large amount of collected data for data analysis.

[0007] In order to achieve the above-mentioned purpose, the present invention provides a data analysis system based on large-scale communication of low-orbit satellites, including a UE terminal, a base station, a personal Internet of Things, a low-orbit satellite, and a 5G core network. The 5G core network includes a NWDAF network element, and the personal Internet of Things includes a PINE network element located on the base station side, and a PINF network element located on the 5G core network side. The PINE network element is connected to a number of data acquisition terminals for data acquisition and transmission, and establishes a communication link with the PINF network element through a low-orbit satellite. The PINF network element is used for PIN data storage management and stores PIN communication data; a PDU session is established between the personal Internet of Things and the 5G core network; the UE terminal sends an intelligent When the monitoring and analysis request is capable of being received, the NWDAF network element sends an AI service data collection request to the PINF network element; the PINF network element selects a designated PINE network element according to the AI ​​service data collection request, and sends an AI service data collection request carrying the monitoring requirement to the designated PINE network element via a low-orbit satellite; the PINE network element obtains the collected data of the corresponding data collection terminal according to the monitoring requirement and sends the collected data to the PINF network element via the low-orbit satellite; the PINF network element sends the collected data to the NWDAF network element; the NWDAF network element performs data analysis on the collected data according to a preset model to obtain an analysis result, and forwards the analysis result to the UE terminal via a base station.

[0008] Preferably, the 5G core network includes an AMF network element, the base station is communicatively connected to the NWDAF network element via the AMF network element, and the low-orbit satellite is communicatively connected to the PINF network element via the AMF network element.

[0009] Specifically, the personal Internet of Things also includes a PEMC network element that provides gateway services and a PEGC network element that performs PIN management. The PEGC network element is respectively communicated with the PINE network element, PEMC network element and PINF network element to manage the PINE network element, PEMC network element and PINF network element; the PINE network element is connected to the PEGC network element to transmit data, and the PEGC network element is communicated with the PINF network element via a low-orbit satellite and the AFM network element of the 5G core network to transmit data.

[0010] Specifically, establishing a PDU session between the personal Internet of Things and the 5G core network specifically includes: the PINE network element sends a PIN communication creation / update request to the PEMC network element, and the PIN communication creation / update request includes the ID of the PINE network element, the personal Internet of Things ID and the device status of the PINE network element; the PEMC network element forwards the PIN communication creation / update request to the PEGC network element, and the PEGC network element transmits the PIN communication creation / update request to the AMF network element via a low-orbit satellite; the AMF network element creates / modifies the PDU session according to the PIN communication creation / update request, and updates the PDU session. The PINF network element sends a PIN communication data storage request, and the PIN communication data storage request includes the personal Internet of Things ID, the ID of the PINE network element and the device status of the PINE network element; the PINF network element stores the data in the PIN communication data storage request, and sends a PIN communication data storage response to the AMF network element; the AMF network element sends a PIN communication creation / update response to the PEGC network element through the low-orbit satellite, the PEGC network element forwards the PIN communication creation / update response to the PEMC network element, and the PEMC network element sends the PIN communication creation / update response to the PINE network element.

[0011] Specifically, the PIN communication creation / update request also includes the MAC address / IP address of the PINE network element, traffic descriptor, filter, requested QoS and location information.

[0012] Specifically, the PIN communication data storage request also includes the MAC address / IP address and location information of the PINE network element.

[0013] Specifically, the personal Internet of Things also includes a PIN server, and the PIN server is communicatively connected with the PEGC network element, the PEMC network element and the PINF network element through communication links respectively.

[0014] Preferably, the AI ​​service data collection requirement sent by the NWDAF network element to the PINF includes the PINE network element ID, UE terminal ID and monitoring requirements; the AI ​​service data collection request fed back by the PINE network element to the PINE includes the PINE network element ID, PINE network element device status and monitoring requirements.

[0015] Specifically, the AI ​​service data collection request also includes the MAC address / IP address and location information of the PINE network element.

[0016] Compared with the prior art, in order to reduce communication delay, the present invention designs a communication process that can connect a large number of sensor devices and transmit sensor data quickly and with low latency for environments with large target area coverage. A PINF network element located on the 5GC side is added to the personal Internet of Things, which can provide data storage and management for the personal Internet of Things. In this way, data transmission based on the personal Internet of Things is designed, and the personal Internet of Things can be used to replace the traditional gateway. A large number of data collected by the connected data collection terminals are transmitted to the PINF network element for storage and acquired by the NWDAF network element of the 5GC for data analysis and prediction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention Block diagram of a data analysis system based on mass communications with low-orbit satellites.

[0018] Figure 2 It is a structural diagram of the personal Internet of Things of the present invention.

[0019] Figure 3 It is the data transmission link of the smart farm of the present invention. DETAILED DESCRIPTION

[0020] In order to explain the technical content, structural features, achieved objectives and effects of the present invention in detail, the following is a detailed description in conjunction with the implementation methods and the accompanying drawings.

[0021] refer to Figure 1The present invention discloses a data analysis system based on low-orbit satellite mass communication, including a UE terminal 1, a base station 2, a personal Internet of Things, a low-orbit satellite 6, and a 5G core network. The 5G core network includes a NWDAF network element 8, and the personal Internet of Things includes a PINE network element 3 located on the side of the base station 2, and a PINF network element 9 located on the side of the 5G core network. The PINE network element 3 is connected to a number of data acquisition terminals for data acquisition and transmission, and establishes a communication link with the PINF network element 9 through the low-orbit satellite 6. The PINF network element 9 is used for PIN data storage management and stores PIN communication data; a PDU session is established between the personal Internet of Things and the 5G core network; the UE terminal 1 sends an intelligent monitoring analysis to the NWDAF network element 8 through the base station 2. When the NWDAF network element 8 sends the AI ​​service data collection request to the PINF network element 9; the PINF network element 9 selects the designated PINE network element 3 according to the AI ​​service data collection request, and sends the AI ​​service data collection request carrying the monitoring request to the designated PINE network element 3 through the low-orbit satellite 6; the PINE network element 3 obtains the collected data of the corresponding data collection end according to the monitoring request and sends the collected data to the PINF network element 9 through the low-orbit satellite 6; the PINF network element 9 sends the collected data to the NWDAF network element 8; the NWDAF network element 8 performs data analysis on the collected data according to the preset model to obtain the analysis result, and forwards the analysis result to the UE terminal 1 through the base station 2. In this embodiment, the mass communication is agricultural mass communication, and the data collection end is the sensor distributed in the smart farm.

[0022] Continue to refer Figure 1 The 5G core network includes an AMF network element 7, the base station 2 is communicatively connected to the NWDAF network element 8 through the AMF network element 7, and the low-orbit satellite 6 is communicatively connected to the PINF network element 9 through the AMF network element 7.

[0023] refer to Figure 2 The personal Internet of Things also includes a PEMC network element 4 that provides gateway services and a PEGC network element 5 that performs PIN management. The PEGC network element 5 is respectively connected to the PINE network element 3, the PEMC network element 4 and the PINF network element 9 to manage the PINE network element 3, the PEMC network element 4 and the PINF network element 9; the PINE network element 3 is connected to the PEGC network element 5 to transmit data, and the PEGC network element 5 is connected to the PINF network element 9 through a low-orbit satellite 6 and the AFM network element of the 5G core network to transmit data.

[0024] Continue to refer Figure 2, establishing a PDU session between the personal Internet of Things and the 5G core network specifically includes: the PINE network element 3 sends a PIN communication creation / update request to the PEMC network element 4, and the PIN communication creation / update request includes the ID of the PINE network element 3, the personal Internet of Things ID and the device status of the PINE network element 3; the PEMC network element 4 forwards the PIN communication creation / update request to the PEGC network element 5, and the PEGC network element 5 transmits the PIN communication creation / update request to the AMF network element 7 through the low-orbit satellite 6; the AMF network element 7 creates / modifies the PDU session according to the PIN communication creation / update request, and updates the P INF network element 9 sends a PIN communication data storage request, which includes the personal Internet of Things ID, the ID of PINE network element 3 and the device status of PINE network element 3; the PINF network element 9 stores the data in the PIN communication data storage request, and sends a PIN communication data storage response to the AMF network element 7; the AMF network element 7 sends a PIN communication creation / update response to the PEGC network element 5 through the low-orbit satellite 6, the PEGC network element 5 forwards the PIN communication creation / update response to the PEMC network element 4, and the PEMC network element 4 sends the PIN communication creation / update response to the PINE network element 3. Specifically, the PIN communication creation / update request also includes the MAC address / IP address, traffic descriptor, filter, requested QoS and location information of the PINE network element 3. The PIN communication data storage request also includes the MAC address / IP address and location information status of the PINE network element 3.

[0025] refer to Figure 2 The personal Internet of Things also includes a PIN server, which is communicatively connected to the PEGC network element 5, the PEMC network element 4 and the PINF network element 9 through communication links respectively.

[0026] The interface settings between the network elements of each module in the personal Internet of Things are shown in the following figure:

[0027] As described above, the personal Internet of Things of the present invention is provided with eight interfaces from PIN-2 to PIN-9 for communication connection and data interaction between various network elements.

[0028] refer to Figure 3, 6 low-orbit satellites (LEO#1, LEO#2...) completely cover the rural areas (AreaA) and urban areas (AreaB) of Guangdong Province. TerNet completely covers the urban area (AreaB), but has limited coverage or even no coverage in the rural area (AreaA). LEO#1 and LEO#2 are interconnected through intersatellite links to achieve complete coverage of urban (AreaA) and rural areas (AreaB). Plant data collection terminals (Sen#1, Sen#2), autonomous collection robots (Rob#1, Rob#2), and drones (UA#1, UA#2) can access LEO satellites. All terminals can access LEO satellites. Figure 3 In the 5G network, the links with the satellite can be divided into different links according to the access requirements: signaling link, low-latency link, and AI data link. The signaling link provides the signaling interaction function between the terminal and the 5GC, the low-latency link provides the low-latency service data transmission function between the terminal and the 5G core network, and the AI ​​data link provides the AI ​​service data transmission function between the terminal and the 5G core network. For example, when drones and automatic tillage vehicles are performing spraying or monitoring tasks, they can report their own positions to the farm manager (UE#1) through the low-latency link, and UE#1 can issue flight strategies through the low-latency link; and the plant data collection end in the farmland can upload the collected plant status information to UE#1 through the AI ​​data link, or UE#1 can issue a requirement for monitoring during a specified period of time.

[0029] refer to Figure 1 ,by Figure 3 Based on the data transmission link of the smart farm in the present invention, the specific steps of performing data analysis in the smart village based on the data analysis system of the low-orbit satellite mass communication of the present invention are described in detail: 1a-1b. PINE network element 3 sends a PIN communication creation / update request to PEMC network element 4. PEMC network element 4 checks whether PINE network element 3 is allowed or prohibited to communicate directly with other PINE network elements 3 through PEGC network element 5, or whether communication with other 5GS terminals through PEGC network element 5 is allowed or prohibited. If it is allowed to continue, the prohibition information is fed back to PINE network element 3.

[0030] 2. The PEGC network element 5 forwards the PIN communication creation / update request to the low-orbit satellite 6.

[0031] 3. The low-orbit satellite 6 forwards the PIN communication creation / update request to the AMF network element 7.

[0032] 4. AMF network element 7 starts the PDU session creation / modification process.

[0033] 5. After creating / modifying the PDU session, AMF network element 7 sends a PIN communication data storage request to PINF network element 9.

[0034] 6. PINF network element 9 stores the data in the PIN communication data storage request and sends a PIN communication data storage response to AMF network element 7 (indicating successful storage); 7. AMF network element 7 sends a PIN communication creation / update response to the low-orbit satellite 6 (indicating successful creation / update); 8. The low-orbit satellite 6 forwards the PIN communication creation / update response to the PEGC network element 5.

[0035] 9a-9b. The PEGC network element 5 sends a PIN communication creation / update response to the PEMC network element 4, and the PEMC network element 4 sends a PIN communication creation / update response to the PINE network element 3.

[0036] 10. UE terminal 1, which has subscribed to the smart farm service, initiates a request for smart farm monitoring and analysis, including EventID (task ID), personal Internet ID, Event Type, UE terminal 1 ID, and monitoring requirements.

[0037] 11. The ground base station 2 forwards the intelligent monitoring and analysis request to the AMF network element 7.

[0038] 12. AMF network element 7 sends an intelligent monitoring and analysis request to NWDAF network element 8.

[0039] 13. NWDAF network element 8 receives the intelligent monitoring and analysis request from AMF network element 7, analyzes the intelligent monitoring and analysis request to obtain the AI ​​service data collection requirement, and sends the AI ​​service data collection requirement to PINF network element 9. The AI ​​service data collection requirement carries the personal Internet of Things ID, UE terminal 1ID and monitoring requirements.

[0040] 14. PINF network element 9 receives the AI ​​service data collection request, queries the corresponding PIN information according to the personal Internet of Things ID (PIN ID), which includes the PINE network element 3 ID, the MAC address / IP address of the personal Internet, location information, and the device status of the PINE network element 3, and sends an AI service data collection request with monitoring requirements to AMF network element 7. The AI ​​service data collection request includes monitoring requirements and PIN information. Among them, the AI ​​service data collection request includes the AI ​​service data collection requirements and PIN information.

[0041] 15. The AMF network element 7 forwards the AI ​​service data collection request to the low-orbit satellite 6 through the AI ​​data link; 16. The low-orbit satellite 6 forwards the AI ​​service data collection request to the PEGC network element 5 in the designated personal Internet through the AI ​​data link.

[0042] 17. PEGC network element 5 sends an AI service data collection request to the specified PINE network element 3.

[0043] 18. PINE network element 3 performs data monitoring and collection according to the monitoring requirements in the AI ​​service data collection request, and uploads the collected data to PEGC network element 5 after the collection is completed.

[0044] 19. PEGC network element 5 forwards the collected data uploaded by PINE network element 3 to low-orbit satellite 6.

[0045] 20. Low-orbit satellite 6 forwards the collected data uploaded by PINE network element 3 to AMF network element 7.

[0046] 21. AMF network element 7 forwards the collected data to PINF network element 9.

[0047] 22. PINF network element 9 sends a reply to the AI ​​service data collection request to NWDAF network element 8.

[0048] 23. After receiving the collected data, the NWDAF network element 8 uses the corresponding model to perform predictive analysis, obtains the results of the smart farm monitoring and analysis, and sends the analysis results to the AMF network element 7.

[0049] 24. The AMF network element 7 forwards the reply of the smart farm monitoring and analysis to the base station 2RAN on the ground where the UE terminal 1 is located; 25. The base station 2 on the ground sends a reply to the UE about the smart farm monitoring and analysis, carrying the results of the smart farm monitoring and analysis.

[0050] AMF: Access and Mobility Management Function; 3GPP: 3rd Generation Partnership Project; UE: User Equipment; RAN: Radio Access Network; UDM: Unified Data Management; NWDAF: Network Data Analytics Function; UL: UpLink; UPF: User Plane Function; DN: Data Network; PCF: Policy Control Function; SMF: Session Management Function; PSA: PDU session anchor; TLE: Two-Line Orbital Element; IMT: International Mobile Telecommunications; AIOTI: The Alliance for IoT Innovation; ISL: Inter-satellite Link; PIN: Personal IoT Network; PEGC: PIN Element with Gateway Capability; PEMC: PIN Element with Management Capability PIN element with management capabilities; PINE: PIN Element PIN element.

[0051] The above disclosure is only the preferred embodiment of the present invention, which certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention are still within the scope covered by the present invention.

Claims

1. A data analysis system based on mass communications of low-orbit satellites, characterized in that: It includes a UE terminal, a base station, a personal Internet of Things, a low-orbit satellite, and a 5G core network. The 5G core network includes a NWDAF network element. The personal Internet of Things includes a PINE network element located on the base station side and a PINF network element located on the 5G core network side. The PINE network element is connected to several data acquisition terminals for data acquisition and transmission, and a communication link is established with the PINF network element through a low-orbit satellite. The PINF network element is used for PIN data storage management and stores PIN communication data. Establishing a PDU session between the personal Internet of Things and the 5G core network; When the UE terminal sends an intelligent monitoring and analysis request to the NWDAF network element through the base station, the NWDAF network element sends an AI service data collection request to the PINF network element; The PINF network element selects a designated PINE network element according to the AI ​​service data collection requirement, and sends an AI service data collection request carrying monitoring requirements to the designated PINE network element via a low-orbit satellite; The PINE network element acquires the collected data of the corresponding data collection terminal according to the monitoring requirements and sends the collected data to the PINF network element via the low-orbit satellite; The PINF network element sends the collected data to the NWDAF network element; The NWDAF network element performs data analysis on the collected data according to a preset model to obtain an analysis result, and forwards the analysis result to the UE terminal through a base station.

2. The data analysis system based on low-orbit satellite mass communication as claimed in claim 1, characterized in that: The 5G core network includes an AMF network element, the base station is communicatively connected to the NWDAF network element via the AMF network element, and the low-orbit satellite is communicatively connected to the PINF network element via the AMF network element.

3. The data analysis system based on low-orbit satellite mass communication as claimed in claim 1, characterized in that: The personal Internet of Things also includes a PEMC network element that provides gateway services and a PEGC network element that performs PIN management. The PEGC network element is respectively communicated with the PINE network element, PEMC network element and PINF network element to manage the PINE network element, PEMC network element and PINF network element; the PINE network element is connected to the PEGC network element to transmit data, and the PEGC network element is communicated with the PINF network element via a low-orbit satellite and the AFM network element of the 5G core network to transmit data.

4. The data analysis system based on low-orbit satellite mass communication as claimed in claim 3, characterized in that: Establishing a PDU session between the personal Internet of Things and the 5G core network specifically includes: The PINE network element sends a PIN communication creation / update request to the PEMC network element, wherein the PIN communication creation / update request includes an ID of the PINE network element, a personal Internet of Things ID, and a device status of the PINE network element; The PEMC network element forwards the PIN communication creation / update request to the PEGC network element, and the PEGC network element transmits the PIN communication creation / update request to the AMF network element via a low-orbit satellite; The AMF network element creates / modifies the PDU session according to the PIN communication creation / update request, and sends a PIN communication data storage request to the PINF network element, where the PIN communication data storage request includes the personal Internet of Things ID, the ID of the PINE network element, and the device status of the PINE network element; The PINF network element stores the data in the PIN communication data storage request, and sends a PIN communication data storage response to the AMF network element; The AMF network element sends a PIN communication creation / update response to the PEGC network element via the low-orbit satellite, the PEGC network element forwards the PIN communication creation / update response to the PEMC network element, and the PEMC network element sends the PIN communication creation / update response to the PINE network element.

5. The data analysis system based on low-orbit satellite mass communication as claimed in claim 4, characterized in that: The PIN communication create / update request also includes the MAC address / IP address of the PINE network element, traffic descriptor, filter, requested QoS and location information.

6. The data analysis system based on low-orbit satellite mass communication as claimed in claim 4, characterized in that: The PIN communication data storage request also includes the MAC address / IP address and location information of the PINE network element.

7. The data analysis system based on low-orbit satellite mass communication as claimed in claim 3, characterized in that: The personal Internet of Things also includes a PIN server, which is communicatively connected to the PEGC network element, the PEMC network element and the PINF network element through communication links respectively.

8. The data analysis system based on low-orbit satellite mass communication as claimed in claim 1, characterized in that: The AI ​​service data collection requirement sent by the NWDAF network element to the PINF includes the PINE network element ID, the UE terminal ID and the monitoring requirement; the AI ​​service data collection request fed back by the PINE network element to the PINE includes the PINE network element ID, the PINE network element device status and the monitoring requirement.

9. The data analysis system based on low-orbit satellite mass communication as claimed in claim 8, characterized in that: The AI ​​service data collection request also includes the MAC address / IP address and location information of the PINE network element.

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