CN113949433B - Interconnection gateway for connecting satellite communication baseband system and 5G core network - Google Patents
Interconnection gateway for connecting satellite communication baseband system and 5G core network Download PDFInfo
- Publication number
- CN113949433B CN113949433B CN202111062060.2A CN202111062060A CN113949433B CN 113949433 B CN113949433 B CN 113949433B CN 202111062060 A CN202111062060 A CN 202111062060A CN 113949433 B CN113949433 B CN 113949433B
- Authority
- CN
- China
- Prior art keywords
- gateway
- satellite terminal
- interconnection
- network
- interconnection gateway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18515—Transmission equipment in satellites or space-based relays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The application discloses an interconnection gateway for connecting a satellite communication baseband system and a 5G core network, wherein the interconnection gateway is respectively in communication connection with the 5G core network, a network control center and a network management system; the network control center is in communication connection with the network management system; the network control center is in communication connection with the satellite terminal through a satellite link; the interconnection gateway is configured to forward data between the satellite terminal and the 5G core network. The embodiment of the application can realize interconnection between the satellite network and the 5G core network, not only improves the coverage range of the 5G network, but also can provide continuous and uninterrupted network connection for mobile carrier users, provides more comprehensive and high-quality service for the users, and improves the user experience.
Description
Technical Field
The application relates to the technical field of satellite communication, in particular to an interconnection gateway for connecting a satellite communication baseband system and a 5G core network.
Background
Satellite communication has the characteristics of independence from regions, high communication quality, high system reliability and long communication distance, is not limited by any complicated geographic conditions between two communication points, and has great market demands in special application scenes such as offshore and remote mountain areas. However, satellite communication is different from the transmission medium of the traditional communication mode, and global users all use the same environment, so that the disadvantages of large transmission delay, unstable satellite link environment and limited frequency band resources are caused.
5G (5 th Generation Mobile Communication Technology, fifth generation mobile communication technology) mobile networks like earlier 2G (2-Generation Wireless Telephone Technology, second generation mobile communication technology), 3G (The 3rd Generation Telecommunication, third generation mobile communication technology) and 4G (The 4Generation Mobile Communication Technology) mobile networks, 5G networks are digital cellular networks in which The service area covered by a provider is divided into many small geographical areas called cells. Analog signals representing sound and images are digitized in a cell phone, converted by an analog-to-digital converter and transmitted as a bit stream. All 5G wireless devices in the cell communicate over radio waves with a local antenna array and low power automatic transceivers (transmitters and receivers) in the cell. Compared with the previous generation of mobile communication, the system performance of 5G is greatly improved, the peak rate can reach 10Gbps-20Gbps, and the method has the advantages of high rate, low time delay, capacity of meeting high-capacity communication and the like.
Satellite communication can realize wide area and even global coverage by using high, medium and low orbit satellites, and can provide indiscriminate communication services for global users. Meanwhile, the ground fifth-generation mobile communication has huge user groups, flexible and efficient application service modes and the like. After the satellite is fused with the 5G, the network can be extended to a place where the ground network cannot reach, the satellite can provide continuous and uninterrupted network connection for mobile carrier users such as Internet of things equipment, airplanes, ships, trains, automobiles and the like, and after the satellite is fused with the 5G, the service capacity of the 5G system in the aspect can be greatly enhanced. Meanwhile, the superior broadcasting/multicasting capability of the satellite can improve the efficient data distribution service for the network edge and the user terminal. The satellite communication system and the 5G are mutually integrated to make up for the advantages and the disadvantages to jointly form a global sea, land, air and sky integrated comprehensive communication network which is seamlessly covered, thereby meeting the ubiquitous multiple service demands of users and being an important direction of communication development. The satellite and 5G fusion fully plays the respective advantages, and provides more comprehensive and high-quality service for users.
Disclosure of Invention
The application solves the technical problems that: overcomes the defects of the prior art and provides an interconnection gateway for connecting a satellite communication baseband system and a 5G core network.
In order to solve the technical problems, the embodiment of the application provides an interconnection gateway for connecting a satellite communication baseband system with a 5G core network, wherein the satellite communication baseband system comprises a satellite terminal, a network control center and a network management system;
the interconnection gateway is respectively in communication connection with the 5G core network, the network control center and the network management system;
the network control center is in communication connection with the network management system;
the network control center is in communication connection with the satellite terminal through a satellite link;
the interconnection gateway comprises a non-access layer direct-transfer function module and is used for realizing message communication between the satellite terminal and a non-access layer of the 5G core network, so that the interconnection gateway forwards a message of the non-access layer sent by the satellite terminal to the 5G core network or sent by the 5G core network to the satellite terminal;
the interconnection gateway establishes a universal wireless packet service tunnel protocol user plane tunnel with a 5G core network and is used for transmitting user plane data and processing services;
and a user interface is established between the interconnection gateway and the network control center, so that a control plane backhaul service distribution function is realized.
Optionally, the interconnection gateway includes: the NG establishment and reset function module,
the NG establishment and reset function module is configured to establish access between the interconnection gateway and the 5G core network, establish initial connection with a mobility management system, and reestablish connection after connection establishment fails.
Optionally, the interconnection gateway includes: the satellite terminal information registration and management function module,
the satellite terminal information registration and management function module is configured to create a satellite terminal entity on the Internet gateway, and establish corresponding context information of the satellite terminal, and the Internet gateway manages IP information and position information of the satellite terminal.
Optionally, the interconnection gateway includes: a packet data unit session management function module,
the packet data unit session management function module is configured to create a packet data unit session entity and a general packet radio packet service tunneling protocol user plane tunnel corresponding to a satellite terminal on the internet gateway, so that the internet gateway maintains packet data unit session information, a quality of service parameter of the packet data unit session, a general packet radio packet service tunneling protocol user plane tunnel parameter of the satellite terminal, and controls destruction of the packet data unit session entity and destruction of the general packet radio packet service tunneling protocol user plane tunnel.
Optionally, the interconnection gateway includes: the synchronization function module is used for synchronizing the data,
the synchronization function module is configured to execute a synchronization process of the satellite terminal and the interconnection gateway, destroy a packet data unit session and satellite terminal context information corresponding to the satellite terminal through the interconnection gateway after any one side of the satellite terminal and the interconnection gateway is overtime, and re-establish the synchronization process.
Optionally, the interconnection gateway includes: the function module is switched with the interconnection gateway,
and the same-interconnection gateway switching function module is configured to receive a same-interconnection gateway switching command sent by the network management system so as to enable the interconnection gateway to start caching downlink business.
Optionally, the interconnection gateway includes: the function module is switched across the interconnection gateway,
the cross-interconnection gateway switching function module is configured to receive a cross-interconnection gateway switching command sent by the network management system, so that a source interconnection gateway stops downlink service, forwards the service and destroys a satellite terminal entity, and a target interconnection gateway performs switching parameter preparation, starts the downlink service and creates a satellite terminal entity and a packet data unit session entity corresponding to the satellite terminal.
Optionally, the interconnection gateway includes: a heartbeat keep-alive function module,
the heartbeat keep-alive function module is configured to send heartbeat messages between the interconnection gateway and the network management system, and reestablish connection with the network management system after the interconnection gateway receives the heartbeat messages over time.
Compared with the prior art, the application has the advantages that:
the embodiment of the application can complete the functions of registering, establishing a packet data unit session, deleting a packet data unit session, switching with an interconnection gateway, switching across the interconnection gateway and the like of the satellite terminal in the 5G core network, realizes the communication between the satellite network and the 5G core network, and provides a more comprehensive and high-quality service for a user while providing continuous and uninterrupted network connection for the user of the mobile carrier.
Drawings
Fig. 1 is a schematic structural diagram of an interconnection gateway for connecting a satellite communication baseband system and a 5G core network according to an embodiment of the present application;
fig. 2 is a schematic diagram of a system for integrating a satellite network and a 5G core network according to an embodiment of the present application;
fig. 3 is a schematic diagram of an operation interface of an interconnection gateway according to an embodiment of the present application;
fig. 4 is a schematic diagram of an interconnection gateway control plane protocol stack according to an embodiment of the present application;
fig. 5 is a schematic diagram of an internet gateway user plane protocol stack according to an embodiment of the present application.
Detailed Description
Referring to fig. 1, a schematic structural diagram of an interconnection gateway for connecting a satellite communication baseband system and a 5G core network is shown in the embodiment of the present application, and as shown in fig. 1, the interconnection gateway 110 may be respectively connected to the 5G core network 140, the network control center 120 and the network management system 130 in a communication manner;
the network control center 120 is in communication connection with the network management system 130;
the network control center 120 is in communication connection with the satellite terminal 150 through a satellite link;
the interworking gateway 110 may be configured to forward data between the satellite terminal 150 and the 5G core network 140.
The following describes the technical solution of the embodiment of the present application in detail with reference to fig. 2 to 5.
As shown in fig. 2, the present application proposes an interconnection gateway for connecting a satellite communication baseband system with a 5G core network, wherein one side of the interconnection gateway is connected with the 5G core network, and the other side of the interconnection gateway is respectively connected with a Network Control Center (NCC) and a Network Management System (NMS). The interconnection gateway is used as a gateway between the satellite network and the 5G core network, and the non-access stratum (NAS) message sent by the satellite terminal is forwarded transparently, and the 5G core network forwards the downlink non-access stratum (NAS) message through the interconnection gateway.
As shown in fig. 3, a schematic diagram of the operational interface of the interconnect gateway is given. The interconnection gateway externally realizes 5 interfaces, namely N2, N3, A1, A2 and A3 interfaces.
The N2 interface is a control plane interface of the interconnection gateway, the N2 interface transmission layer of the interconnection gateway establishes connection with access and mobility management (AMF) by using stream transmission control protocol (SCTP), and the application layer protocol uses NG application protocol (NGAP).
The N3 interface is a user interface between the interconnection gateway and the UPF, and uses a General Packet Radio Service (GPRS) tunnel protocol (GTP) to establish a General Packet Radio Service (GPRS) tunnel protocol user interface (GTP-U) tunnel for transmitting user interface data and processing the service.
The A1 interface is a control plane interface between an interconnection gateway and satellite terminal non-access stratum (NAS) software, and uses User Datagram Protocol (UDP). The A1 interface is a logic interface, and specifically, the A3 interface and the satellite link respectively realize the bearing from the interconnection gateway to the Network Control Center (NCC) and from the Network Control Center (NCC) to the satellite terminal.
The A2 interface is a control surface interface between an interconnection gateway and a satellite Network Management System (NMS), is divided into an initialization configuration interface and a real-time configuration interface, and has the function of mapping service quality (QoS) parameters such as maximum speed limit, minimum guarantee and the like between a network side and a satellite side.
Wherein the initialization configuration interface uses a File Transfer Protocol (FTP) protocol to download a configuration file from a Network Management System (NMS) and initialize the interconnection gateway through the configuration file.
The real-time configuration interface uses a Transmission Control Protocol (TCP) long connection, a Network Management System (NMS) as a server, and an interconnection gateway as a client. The Network Management System (NMS) and the interconnect gateway in the real-time configuration interface both use satellite terminal Media Access Control (MAC) addresses as terminal indexes. To maintain a Transmission Control Protocol (TCP) connection, heartbeats are periodically bi-directionally transferred in a real-time configuration interface, the heartbeats being used for connection keep-alive.
The A3 interface is a user interface between an interconnection gateway and a Network Control Center (NCC) and works in a layer 2 mode. The interconnection gateway realizes the Border Gateway Protocol (BGP) proxy function, recognizes the Border Gateway Protocol (BGP) message sent by the Network Control Center (NCC) in the A3 interface, and replies. The interconnection gateway realizes the Address Resolution Protocol (ARP) proxy function of the satellite terminal gateway, recognizes the Address Resolution Protocol (ARP) request aiming at the satellite terminal gateway in the A3 interface, and replies. The interconnection gateway realizes the control plane backhaul service distribution function, and the backhaul service which aims at the destination IP is the backhaul service of a Network Management System (NMS) is delivered to the interconnection gateway.
As shown in fig. 4, a schematic diagram of an interworking gateway control plane protocol stack is given. Wherein, the non-access stratum session management (NAS-SM) is responsible for creating, updating and deleting Packet Data Unit (PDU) session, the non-access stratum mobility management (NAS-MM) is responsible for mobility management of the satellite terminal, the N11 interface is responsible for forwarding Packet Data Unit (PDU) session management request between mobility management (AMF) and Session Management Function (SMF), the transmission layer of the interconnection gateway establishes connection with the access and mobility management (AMF) through the N2 interface by using stream transmission control protocol (SCTP), wherein, the application layer uses NG application protocol (NGAP) and uses NG application protocol (NGAP) message as unit for transmission. The satellite terminal and the interconnection gateway communicate by using an A1 application protocol (A1 AP), and an A3 interface is actually used for delivery.
As shown in fig. 5, a schematic diagram of an internet gateway user plane protocol stack is given, which specifically includes the following steps:
after authentication, registration and Packet Data Unit (PDU) session establishment are completed by the satellite terminal, a General Packet Radio Service (GPRS) tunnel protocol user plane (GTP-U) tunnel is established by the user plane of the interconnection gateway, tunnel Endpoint Identification (TEID), IP address and User Datagram Protocol (UDP) port number information belonging to a certain satellite terminal are recorded and managed, user data and service are transmitted between the satellite terminal and a User Plane Function (UPF) by using the General Packet Radio Service (GPRS) tunnel protocol user plane (GTP-U) tunnel, different service quality (QoS) flows can be provided according to different services, IP information is hidden, and safety is higher.
In summary, the application can realize the interconnection between the satellite network and the 5G core network, not only improves the coverage range of the 5G network, but also can provide continuous and uninterrupted network connection for mobile carrier users, provides more comprehensive and high-quality service for the users, and improves the user experience.
The interconnection gateway for connecting the satellite communication baseband system and the 5G core network provided by the embodiment of the application can complete the functions of registering, deregistering, establishing a packet data unit session, deleting a packet data unit session, switching with the interconnection gateway, switching across the interconnection gateway and the like of a satellite terminal in the 5G core network, realizes the communication between the satellite network and the 5G core network, provides continuous and uninterrupted network connection for mobile carrier users, and provides more comprehensive and high-quality service for the users.
The described embodiments of the present application will enable those skilled in the art to more fully understand the application, but do not limit it in any way. Accordingly, it will be understood by those skilled in the art that the present application may be modified or equivalents substituted; all technical solutions and modifications thereof that do not depart from the spirit and technical essence of the application should be included in the protection scope of the patent of the application.
What is not described in detail in the present specification is a well known technology to those skilled in the art.
Claims (8)
1. An interconnection gateway for connecting a satellite communication baseband system with a 5G core network, wherein the satellite communication baseband system comprises a satellite terminal, a network control center and a network management system;
the interconnection gateway is respectively in communication connection with the 5G core network, the network control center and the network management system;
the network control center is in communication connection with the network management system;
the network control center is in communication connection with the satellite terminal through a satellite link;
the interconnection gateway comprises a non-access layer direct-transfer function module and is used for realizing message communication between the satellite terminal and a non-access layer of the 5G core network, so that the interconnection gateway forwards a message of the non-access layer sent by the satellite terminal to the 5G core network or sent by the 5G core network to the satellite terminal;
the interconnection gateway establishes a universal wireless packet service tunnel protocol user plane tunnel with a 5G core network and is used for transmitting user plane data and processing services;
and a user interface is established between the interconnection gateway and the network control center, so that a control plane backhaul service distribution function is realized.
2. The interworking gateway of claim 1, wherein the interworking gateway comprises: the NG establishment and reset function module,
the NG establishment and reset function module is configured to establish access between the interconnection gateway and the 5G core network, establish initial connection with a mobility management system, and reestablish connection after connection establishment fails.
3. The interworking gateway of claim 1, wherein the interworking gateway comprises: the satellite terminal information registration and management function module,
the satellite terminal information registration and management function module is configured to create a satellite terminal entity on the Internet gateway, and establish corresponding context information of the satellite terminal, and the Internet gateway manages IP information and position information of the satellite terminal.
4. The interworking gateway of claim 1, wherein the interworking gateway comprises: a packet data unit session management function module,
the packet data unit session management function module is configured to create a packet data unit session entity and a general packet radio packet service tunneling protocol user plane tunnel corresponding to a satellite terminal on the internet gateway, so that the internet gateway maintains packet data unit session information, a quality of service parameter of the packet data unit session, a general packet radio packet service tunneling protocol user plane tunnel parameter of the satellite terminal, and controls destruction of the packet data unit session entity and destruction of the general packet radio packet service tunneling protocol user plane tunnel.
5. The interworking gateway of claim 1, wherein the interworking gateway comprises: the synchronization function module is used for synchronizing the data,
the synchronization function module is configured to execute a synchronization process of the satellite terminal and the interconnection gateway, destroy a packet data unit session and satellite terminal context information corresponding to the satellite terminal through the interconnection gateway after any one side of the satellite terminal and the interconnection gateway is overtime, and re-establish the synchronization process.
6. The interworking gateway of claim 1, wherein the interworking gateway comprises: the function module is switched with the interconnection gateway,
and the same-interconnection gateway switching function module is configured to receive a same-interconnection gateway switching command sent by the network management system so as to enable the interconnection gateway to start caching downlink business.
7. The interworking gateway of claim 1, wherein the interworking gateway comprises: the function module is switched across the interconnection gateway,
the cross-interconnection gateway switching function module is configured to receive a cross-interconnection gateway switching command sent by the network management system, so that a source interconnection gateway stops downlink service, forwards the service and destroys a satellite terminal entity, and a target interconnection gateway performs switching parameter preparation, starts the downlink service and creates a satellite terminal entity and a packet data unit session entity corresponding to the satellite terminal.
8. The interworking gateway of claim 1, wherein the interworking gateway comprises: a heartbeat keep-alive function module,
the heartbeat keep-alive function module is configured to send heartbeat messages between the interconnection gateway and the network management system, and reestablish connection with the network management system after the interconnection gateway receives the heartbeat messages over time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111062060.2A CN113949433B (en) | 2021-09-10 | 2021-09-10 | Interconnection gateway for connecting satellite communication baseband system and 5G core network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111062060.2A CN113949433B (en) | 2021-09-10 | 2021-09-10 | Interconnection gateway for connecting satellite communication baseband system and 5G core network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113949433A CN113949433A (en) | 2022-01-18 |
| CN113949433B true CN113949433B (en) | 2023-09-29 |
Family
ID=79328033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111062060.2A Active CN113949433B (en) | 2021-09-10 | 2021-09-10 | Interconnection gateway for connecting satellite communication baseband system and 5G core network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113949433B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117813778A (en) * | 2022-08-02 | 2024-04-02 | 北京小米移动软件有限公司 | Method and device for accessing satellite terminal to mobile network |
| WO2024050736A1 (en) * | 2022-09-07 | 2024-03-14 | 北京小米移动软件有限公司 | Communication method, apparatus and system, electronic device, and medium |
| CN115623552B (en) * | 2022-12-15 | 2023-04-14 | 亚太卫星宽带通信（深圳）有限公司 | Communication method for GEO satellite and 5G converged network trans-regional mobile |
| CN117081640B (en) * | 2023-07-10 | 2024-04-09 | 武汉船舶通信研究所(中国船舶集团有限公司第七二二研究所) | Multi-protocol star warship-ground integrated gateway design method based on frame header compression |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020164334A1 (en) * | 2019-02-15 | 2020-08-20 | 华为技术有限公司 | Signal transmission method and apparatus |
| CN112333284A (en) * | 2020-11-20 | 2021-02-05 | 深圳明心科技有限公司 | Data transmission method, system and storage medium based on 5G intelligent gateway |
| CN112994775A (en) * | 2021-02-04 | 2021-06-18 | 亚太卫星宽带通信（深圳）有限公司 | Method for fusing GEO satellite access network and 5G core network |
-
2021
- 2021-09-10 CN CN202111062060.2A patent/CN113949433B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020164334A1 (en) * | 2019-02-15 | 2020-08-20 | 华为技术有限公司 | Signal transmission method and apparatus |
| CN112333284A (en) * | 2020-11-20 | 2021-02-05 | 深圳明心科技有限公司 | Data transmission method, system and storage medium based on 5G intelligent gateway |
| CN112994775A (en) * | 2021-02-04 | 2021-06-18 | 亚太卫星宽带通信（深圳）有限公司 | Method for fusing GEO satellite access network and 5G core network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113949433A (en) | 2022-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113949433B (en) | Interconnection gateway for connecting satellite communication baseband system and 5G core network | |
| US11997725B2 (en) | Satellite communication method, apparatus, and system | |
| EP1500212B1 (en) | Relocation of application-specific functionality during seamless network layer-level handoffs | |
| US8081968B2 (en) | System for creating an air-to-ground IP tunnel in an airborne wireless cellular network to differentiate individual passengers | |
| JP3964126B2 (en) | Wireless terminal and home agent | |
| AU759936B2 (en) | ISP system using non-geosynchronous orbit satellites | |
| WO2020211743A1 (en) | Method and device for processing data packets | |
| US7668139B2 (en) | Mobile handover utilizing multicast in a multi-protocol label switching (MPLS)-based network | |
| CN111342886B (en) | Route control method suitable for satellite network user to remotely access ground network | |
| JP2007519314A (en) | System for integrating airborne wireless cellular networks with terrestrial wireless cellular networks and public switched telephone networks | |
| WO2011063655A1 (en) | Satellite-ground integrated mobile communication system | |
| CN114785400B (en) | Construction method of NTN satellite network architecture | |
| CN113949434B (en) | Data forwarding addressing method and device for 5G core network and satellite communication baseband system | |
| CN113949436A (en) | High-flux satellite terminal system capable of accessing 5G core network | |
| US7606189B1 (en) | Architecture of internet protocol-based cellular networks | |
| CN114900226B (en) | Low orbit constellation satellite communication system and communication method thereof | |
| Zheng et al. | Geosynchronous network grid addressing for integrated space-terrestrial networks | |
| CN113904712A (en) | Dual-connection communication method of low-earth-orbit satellite mobile communication system | |
| Xie et al. | A survey of mobility management for mobile networks supporting LEO satellite access | |
| CN116530144A (en) | Quality of service parameter processing method, terminal equipment, network function entity and network equipment | |
| CN115623552B (en) | Communication method for GEO satellite and 5G converged network trans-regional mobile | |
| WO2024012379A1 (en) | Communication method and apparatus | |
| KR102012463B1 (en) | data processing data in mobile Xhaul network | |
| CN115765836A (en) | Constellation network fusion method based on tunnel encapsulation multi-constellation interconnection routing architecture | |
| Louvros et al. | Heterogeneous Wireless Networks Using a Wireless ATM Platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |