CN113949436A - High-flux satellite terminal system capable of accessing 5G core network - Google Patents
High-flux satellite terminal system capable of accessing 5G core network Download PDFInfo
- Publication number
- CN113949436A CN113949436A CN202111088600.4A CN202111088600A CN113949436A CN 113949436 A CN113949436 A CN 113949436A CN 202111088600 A CN202111088600 A CN 202111088600A CN 113949436 A CN113949436 A CN 113949436A
- Authority
- CN
- China
- Prior art keywords
- network
- terminal
- satellite
- access
- control
- 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.)
- Granted
Links
Images
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
- 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
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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)
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a high flux satellite terminal system capable of accessing a 5G core network, which comprises: a satellite terminal configured to perform operations of registration, authentication, and session management on the satellite terminal side; the network control center is configured to realize the network control function of the satellite network on the user plane; a network management system configured as a network management function of the satellite network on a control plane; the network gateway is a network element fusing a satellite network and a 5G core network and is configured to realize the conversion between a control plane and a user plane of a satellite terminal between a satellite side and a network side; the control plane of the satellite terminal is configured to realize the mapping of the terminal context and the packet data unit session in the satellite network and provide a load bearing for high-level signaling in the mobile network; and the 5G core network is configured to manage the satellite terminal access 5G core network and the interconnection gateway. The invention can solve the problem of deep fusion of the satellite communication access network and the 5G system in the satellite communication system.
Description
Technical Field
The invention relates to the technical field of satellite communication, in particular to a high-throughput satellite terminal system capable of accessing a 5G core network.
Background
With the rapid development of the aerospace science and technology field in China, the satellite navigation technology is more and more important, and the satellite navigation technology lays a foundation for the navigation and communication integration of 5G communication represented by technologies such as cell densification and large-scale array antennas for providing positioning services. The satellite access mobile internet is a direction of the development of the internet and a mobile communication network, provides a network interconnection platform for thousands of mobile users all over the world, constructs a large satellite system with real-time information processing capacity through satellite scale networking, and has wide coverage range and transmission delay reaching the level of tens of milliseconds.
The fifth generation mobile communication technology (5G) provides reliable global services for the world and large scale connections, but similar access point problems still exist, resulting in a lack of network coverage in nearly half of the world. The 5G network emphasizes the coexistence of multiple access technologies including LTE, NR, Wifi, satellite, etc. However, the current research on satellites by 3GPP is limited to low-earth satellite access technology using similar terrestrial mobile communication protocols, and no research and standard making work is performed on high-throughput satellite access.
The communication satellite is divided into a static orbit satellite and a non-static orbit satellite according to the operation orbit, and the non-static orbit satellite can be divided into a low orbit satellite (500-. According to the communication characteristics of the satellite, a high-flux satellite can be divided, the high-flux satellite can provide bandwidth and high-capacity communication services and convey information services for users, and the high-flux satellite can be used in scenes such as enhanced mobile bandwidth and mass machine communication although the transmission time is prolonged. And the terminal Internet supports a C frequency band link with a user and a Ka frequency band link with a satellite, and provides ground cell coverage for the user. Compared with a ground communication system, the high-throughput satellite has the advantages of large working bandwidth, complex topological structure and wide coverage range, can support different beams, and is configured in different network control centers. The satellite terminals may communicate within and across beams.
Disclosure of Invention
The technical problem solved by the invention is as follows: the defects of the prior art are overcome, and the high-throughput satellite terminal system capable of accessing the 5G core network is provided.
In order to solve the above technical problem, an embodiment of the present invention provides a high throughput satellite terminal system capable of accessing a 5G core network, where the system includes: satellite terminal, network control center, network management system, internet gateway and 5G core network, wherein,
the satellite terminal configured to perform operations of registration, authentication, and session management on the satellite terminal side;
the network control center is configured to realize the network control function of the satellite network on the user plane;
the network management system is configured to be a network management function of the satellite network on a control plane;
the interconnection gateway is a network element fusing a satellite network and a 5G core network, and is configured to realize the conversion between a control plane and a user plane of the satellite terminal between a satellite side and a network side;
the control plane of the satellite terminal is configured to realize mapping of a terminal context and a packet data unit session in a satellite network and provide a bearer for a high-level signaling in a mobile network;
the 5G core network is configured to manage access of the satellite terminal to the 5G core network and the interconnection gateway.
Optionally, the satellite terminal includes: terminal non-access stratum software, terminal protocol layer software, terminal application layer software, and corresponding interfaces, wherein,
the terminal non-access layer is used for providing a 5G network access function so as to realize registration and Packet Data Unit (PDU) session management at the terminal side in the 5G network;
the terminal protocol layer follows a digital video broadcasting communication system, an uplink transmission protocol uses a second generation digital video broadcasting system, and a downlink transmission protocol uses a second generation return channel satellite digital video broadcasting protocol system so as to provide satellite network access and service forwarding functions;
the terminal application layer is used for realizing the management function of the terminal side in the satellite network.
Optionally, the terminal non-access stratum software includes: the system comprises an initialization terminal configuration module, a terminal registration state management module, a grouped data unit session management module and a security management module.
Optionally, the initialization configuration module is configured to read an international mobile subscriber identity, a key parameter, a security capability parameter, a data network name parameter, and a slice parameter of the terminal when the non-access stratum software is started.
Optionally, the terminal registration state management module is configured to control the non-access stratum software to maintain a terminal registration state machine and a related timer, and drive the terminal to complete a registration procedure and establish a default packet data unit session.
Optionally, the packet data unit session management module is configured to maintain a packet data unit session entity, apply quality of service parameters of a packet data unit session, and control a user plane service enabling state.
Optionally, the security management module is configured to perform authentication and security establishment on the non-access stratum software, and perform integrity protection and encryption/decryption of a non-access stratum protocol after the security establishment is completed.
Optionally, the terminal protocol layer is configured to implement access control of a media access control layer, resource allocation, transmission of a radio link control layer, packet reordering, and segment concatenation functions;
the terminal protocol layer follows a digital video broadcasting communication system, uplink data transmission is responsible for data coding, and downlink data transmission is responsible for decoding data of a radio frequency interface.
Compared with the prior art, the invention has the advantages that:
the embodiment of the invention can realize the registration of a high-flux satellite terminal in a 5G core network, the session management of a packet data unit and the authentication function, effectively enhance the baseband high-speed transmission function of a satellite and 5G fusion system, increase the deep fusion function of a satellite communication access network and the 5G system, realize the satellite system bearing 5G technology, realize network fragmentation, service quality guarantee and mobility management, and greatly improve the coverage range of the satellite and the timeliness of transmission.
Drawings
Fig. 1 is a schematic structural diagram of a high throughput satellite terminal system capable of accessing a 5G core network according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a non-access stratum software function module of a terminal according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a terminal protocol layer function module according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an AI synchronization process according to an embodiment of the present invention.
Detailed Description
It is not practical to directly provide services for all users through a satellite network, and the satellite network needs to be fused with a 5G core network, so that the high-capacity cell backhaul and multicast technology in a ground network is solved. The invention solves the problem of deep fusion of a satellite communication access network and a 5G system in a satellite communication system, and the fusion of the 5G core network and a high-flux satellite system, so that the fused system can really realize the global overlay network access technology and the satellite bearing 5G technology, and realize network fragmentation, service quality guarantee and mobility management.
The technical solutions of the embodiments of the present invention are described in detail below with reference to the drawings of the specification and the following embodiments.
Referring to fig. 1, a schematic structural diagram of a high throughput satellite terminal system capable of accessing to a 5G core network according to an embodiment of the present invention is shown, and as shown in fig. 1, the system may include: the system comprises a satellite terminal 110, a network control center 130, a network management system 120, an internet gateway 140 and a 5G core network 150, wherein the satellite terminal is in communication connection with the network control center and the network management system, the network control center is in communication connection with the network management system and the internet gateway, and the internet gateway is in communication connection with the 5G core network.
The satellite terminal may be configured to perform operations of registration, authentication, and session management at the satellite terminal side;
the network control center can be configured to realize the network control function of the satellite network on the user plane;
the network management system may be configured as a network management function of a satellite network on a control plane;
the internet gateway can be a network element fusing a satellite network and a 5G core network, and is configured to realize the conversion between a control plane and a user plane of the satellite terminal between a satellite side and a network side;
the control plane of the satellite terminal can be configured to implement mapping of terminal context and packet data unit conversation in the satellite network, and provide load bearing for high-level signaling in the mobile network;
the 5G core network may be configured to manage access of the satellite terminals to the 5G core network and the interworking gateway.
In one specific implementation of the present invention, the satellite terminal includes: terminal non-access stratum software, terminal protocol layer software, terminal application layer software, and corresponding interfaces, wherein,
the terminal non-access layer is used for providing a 5G network access function so as to realize registration and Packet Data Unit (PDU) session management at the terminal side in the 5G network;
the terminal protocol layer follows a digital video broadcasting communication system, an uplink transmission protocol uses a second generation digital video broadcasting system, and a downlink transmission protocol uses a second generation return channel satellite digital video broadcasting protocol system so as to provide satellite network access and service forwarding functions;
the terminal application layer is used for realizing the management function of the terminal side in the satellite network.
In a specific implementation of the present invention, the terminal non-access stratum software includes: the system comprises an initialization terminal configuration module, a terminal registration state management module, a grouped data unit session management module and a security management module.
In a specific implementation of the present invention, the initialization configuration module is configured to read an international mobile subscriber identity, a key parameter, a security capability parameter, a data network name parameter, and a slice parameter of the terminal when the non-access stratum software is started.
In a specific implementation of the present invention, the terminal registration state management module is configured to control the non-access stratum software to maintain a terminal registration state machine and a related timer, and drive the terminal to complete a registration procedure and establish a default packet data unit session.
In a specific implementation of the invention, the pdu session management module is configured to maintain a pdu session entity, apply qos parameters of a pdu session, and control a user plane service enabling state.
In a specific implementation of the present invention, the security management module is configured to perform authentication and security establishment on the non-access stratum software, and perform integrity protection and encryption/decryption of a non-access stratum protocol after completing security establishment.
In a specific implementation of the present invention, the terminal protocol layer is configured to implement access control of a media access control layer, resource allocation, transmission of a radio link control layer, packet reordering, and segment concatenation functions;
the terminal protocol layer follows a digital video broadcasting communication system, uplink data transmission is responsible for data coding, and downlink data transmission is responsible for decoding data of a radio frequency interface.
In a specific implementation of the present invention, the system implements a1 interface between the terminal and the satellite gateway, an N1 interface and a non-access layer protocol stack of the 5G core network, a G1 interface of the terminal internal application layer, and a G2 interface of the terminal internal protocol layer, respectively.
In one specific implementation of the present invention, the a1 interface usage message includes an initial message, a registration completion message, a non-access stratum direct transfer message, a synchronization message, and the like.
In a specific implementation of the present invention, the N1 interface is configured to define bearers between the inter gateway and the 5G core network and between the inter gateway and the terminal non-access stratum software according to a non-access stratum protocol.
In a specific implementation of the present invention, the G1 interface is used for the terminal protocol layer to notify the terminal non-access stratum software of the current satellite network access state change and for the terminal non-access stratum software to notify the terminal protocol layer of the user plane enable state.
The following detailed description is made in conjunction with the drawings of the specification.
As shown in fig. 1, the present invention provides a high throughput satellite terminal system capable of accessing a 5G core network, where the terminal system includes non-access layer software, terminal application layer software and terminal protocol layer software. The internal and external interfaces of the terminal comprise an A1 interface, an N1 interface, a G1 interface and a G2 interface. The non-access layer software sends a synchronization message to the satellite gateway function through an A1 interface, checks the connection state of the terminal and the satellite gateway function, and completes the terminal registration process; non-access layer software acquires a satellite network access state and informs a terminal protocol layer of an enabling state of user plane service through a G1 interface; non-access layer software receives satellite gateway function address configuration through a G2 interface, and reports registration state, packet data unit session establishment state, service quality parameters and the like to a user plane; the non-access stratum software implements the coding and decoding of non-access stratum messages in the non-access stratum protocol stack through the N1 interface.
As shown in fig. 2, the registration state management module functions to maintain the state of the terminal state machine and the timer, and to drive the terminal to complete the registration procedure and the default pdu session establishment. Messages of the a1 interface pass non-access stratum messages to the satellite gateway function over the N1 interface and may also change the terminal registration status. The non-access layer protocol stack defines the coding and decoding of the message, and the G1 interface transmits the satellite network access state to the non-access layer software to complete the synchronization process of the satellite network access state.
As shown in fig. 3, a functional block diagram of the terminal protocol layer is presented. The terminal protocol layer function module comprises a digital video broadcasting protocol conversion function, an access control function, a service forwarding function, a resource application function, a G1 interface, a network interface and a radio frequency interface. The digital video broadcast protocol conversion function module is responsible for encoding data in an uplink mode and decoding data received from the radio frequency interface in a downlink mode. The access control function reads and changes the access state of the terminal through the G1 interface; the service forwarding function performs service forwarding through a network interface.
As shown in fig. 4, an a1 synchronization flow diagram is presented. After the terminal non-access layer software finishes registering, judging whether the terminal non-access layer software is periodically synchronized, if so, sending a synchronization request to the terminal non-access layer software through an A1 interface, receiving the synchronization request by the satellite gateway function, and sending a synchronization confirmation message to the terminal non-access layer if the request is successful; if the request fails, setting the state machine of the terminal to be in an unregistered state, and restarting a registration process;
in conclusion, the invention can realize a high-flux satellite terminal system capable of accessing the 5G core network, complete the fusion and access of the high-flux satellite and the 5G core network, expand the range of user communication service and improve the user experience, and provide conditions for the technical development of the high-flux satellite in the 5G field.
The detailed description set forth herein may provide those skilled in the art with a more complete understanding of the present application, and is not intended to limit the present application in any way. Thus, it will be appreciated by those skilled in the art that modifications or equivalents may still be made to the present application; all technical solutions and modifications thereof which do not depart from the spirit and technical essence of the present application should be covered by the scope of protection of the present patent application.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.
Claims (8)
1. A high throughput satellite terminal system accessible to a 5G core network, the system comprising: satellite terminal, network control center, network management system, internet gateway and 5G core network, wherein,
the satellite terminal configured to perform operations of registration, authentication, and session management on the satellite terminal side;
the network control center is configured to realize the network control function of the satellite network on the user plane;
the network management system is configured to be a network management function of the satellite network on a control plane;
the interconnection gateway is a network element fusing a satellite network and a 5G core network, and is configured to realize the conversion between a control plane and a user plane of the satellite terminal between a satellite side and a network side;
the control plane of the satellite terminal is configured to realize mapping of a terminal context and a packet data unit session in a satellite network and provide a bearer for a high-level signaling in a mobile network;
the 5G core network is configured to manage access of the satellite terminal to the 5G core network and the interconnection gateway.
2. The system of claim 1, wherein the satellite terminal comprises: terminal non-access stratum software, terminal protocol layer software, terminal application layer software, and corresponding interfaces, wherein,
the terminal non-access layer is used for providing a 5G network access function so as to realize the registration of the terminal side in the 5G network and the session management of the grouped data unit;
the terminal protocol layer follows a digital video broadcasting communication system, an uplink transmission protocol uses a second generation digital video broadcasting system, and a downlink transmission protocol uses a second generation return channel satellite digital video broadcasting protocol system so as to provide satellite network access and service forwarding functions;
the terminal application layer is used for realizing the management function of the terminal side in the satellite network.
3. The system of claim 2, wherein the terminal non-access stratum software comprises: the system comprises an initialization terminal configuration module, a terminal registration state management module, a grouped data unit session management module and a security management module.
4. The system according to claim 3, wherein the initialization configuration module is configured to read the international mobile subscriber identity, the key parameter, the security capability parameter, the data network name parameter and the slicing parameter of the terminal when the non-access stratum software is started.
5. The system of claim 3, wherein the terminal registration state management module is configured to control the non-access stratum software to maintain a terminal registration state machine and an associated timer, and to drive the terminal to complete a registration procedure and setup of a default packet data unit session.
6. The system of claim 3, wherein the PDU session management module is configured to maintain a PDU session entity, apply QoS parameters for a PDU session, and control a user plane service enabled state.
7. The system according to claim 3, wherein the security management module is configured to perform authentication and security establishment procedures on the non-access stratum software, and perform integrity protection and encryption/decryption of a non-access stratum protocol after the security establishment is completed.
8. The system of claim 3, wherein the terminal protocol layer is configured to implement media access control layer access control, resource allocation, radio link control layer transmission, packet reordering, and segment concatenation functions;
the terminal protocol layer follows a digital video broadcasting communication system, uplink data transmission is responsible for data coding, and downlink data transmission is responsible for decoding data of a radio frequency interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111088600.4A CN113949436B (en) | 2021-09-16 | 2021-09-16 | High-flux satellite terminal system capable of being connected with 5G core network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111088600.4A CN113949436B (en) | 2021-09-16 | 2021-09-16 | High-flux satellite terminal system capable of being connected with 5G core network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113949436A true CN113949436A (en) | 2022-01-18 |
| CN113949436B CN113949436B (en) | 2023-09-29 |
Family
ID=79328226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111088600.4A Active CN113949436B (en) | 2021-09-16 | 2021-09-16 | High-flux satellite terminal system capable of being connected with 5G core network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113949436B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116017460A (en) * | 2023-01-07 | 2023-04-25 | 之江实验室 | Signaling interaction method for 5G day-to-ground integrated scene security promotion |
| CN117081640A (en) * | 2023-07-10 | 2023-11-17 | 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 (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3651376A1 (en) * | 2018-11-12 | 2020-05-13 | Hughes Network Systems, LLC | Approaches for high speed global packet data services for leo/meo satellite systems |
| US20200212998A1 (en) * | 2018-12-31 | 2020-07-02 | Hughes Network Systems | Communication method and communication system |
| WO2021092497A1 (en) * | 2019-11-07 | 2021-05-14 | Qualcomm Incorporated | Systems and methods for support of a 5g satellite radio access technology |
| CN112996102A (en) * | 2021-02-07 | 2021-06-18 | 亚太卫星宽带通信（深圳）有限公司 | Satellite terminal connection state management method and device, gateway equipment, converged communication system and storage medium |
| 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 |
| CN113225836A (en) * | 2021-04-30 | 2021-08-06 | 广州爱浦路网络技术有限公司 | Communication method, system, device and storage medium for low earth orbit satellite and 5G core network |
-
2021
- 2021-09-16 CN CN202111088600.4A patent/CN113949436B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3651376A1 (en) * | 2018-11-12 | 2020-05-13 | Hughes Network Systems, LLC | Approaches for high speed global packet data services for leo/meo satellite systems |
| US20200212998A1 (en) * | 2018-12-31 | 2020-07-02 | Hughes Network Systems | Communication method and communication system |
| WO2021092497A1 (en) * | 2019-11-07 | 2021-05-14 | Qualcomm Incorporated | Systems and methods for support of a 5g satellite radio access technology |
| 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 |
| CN112996102A (en) * | 2021-02-07 | 2021-06-18 | 亚太卫星宽带通信（深圳）有限公司 | Satellite terminal connection state management method and device, gateway equipment, converged communication system and storage medium |
| CN113225836A (en) * | 2021-04-30 | 2021-08-06 | 广州爱浦路网络技术有限公司 | Communication method, system, device and storage medium for low earth orbit satellite and 5G core network |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116017460A (en) * | 2023-01-07 | 2023-04-25 | 之江实验室 | Signaling interaction method for 5G day-to-ground integrated scene security promotion |
| CN116017460B (en) * | 2023-01-07 | 2023-11-14 | 之江实验室 | Signaling interaction method for 5G day-to-ground integrated scene security promotion |
| CN117081640A (en) * | 2023-07-10 | 2023-11-17 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113949436B (en) | 2023-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109996306B (en) | Communication method and communication device | |
| US11581942B2 (en) | Selecting a non-access stratum period based on a non-terrestrial access network type | |
| KR102345654B1 (en) | Dual connection establishment method and device | |
| US20190166526A1 (en) | Method for establishing a fronthaul interface, method for performing access for a ue, method and apparatus for performing a handover for a ue, data forwarding method, user equipment and base station | |
| US10548024B2 (en) | Cloud communication center system and method for processing data in a cloud communication system | |
| CN107734563B (en) | Method and device for processing QoS (quality of service) parameters in switching scene | |
| EP3657855A1 (en) | Method and system for communication in wireless communication network | |
| JP7516578B2 (en) | IAB network communication method and related device | |
| WO2015032043A1 (en) | Data transmission method, device and system | |
| CN113949436B (en) | High-flux satellite terminal system capable of being connected with 5G core network | |
| US12001890B2 (en) | Communication method and apparatus, and network architecture | |
| US11399307B2 (en) | Service authorization method, terminal device and network device | |
| EP3622778B1 (en) | Method and device for switching a serving cell and method and device supporting on-demand system information message | |
| EP4221005A1 (en) | Multipath transmission method and communication apparatus | |
| CN114868425A (en) | Data transmission method and device, network equipment and terminal equipment | |
| JP2018521563A (en) | A method for transmitting small-scale low-frequency communication data, a system for transmitting small-scale low-frequency communication data, and a small-scale low-frequency communication data transmission between a plurality of Internet communication devices of one thing and the other mobile communication network Internet of Things device Mobile communication network, user equipment, program and computer program product | |
| CN108429578B (en) | A kind of satellite mobile communication system TtT communication means | |
| US20150296547A1 (en) | Method and Device for Increasing Gateway Capacity in LTE Mode Femto Cell System | |
| EP3001766B1 (en) | Mobile communications method, device and system | |
| US20230163836A1 (en) | Beam information indication method and apparatus | |
| WO2023185615A1 (en) | Communication method and apparatus | |
| US20240064852A1 (en) | Method and apparatus for transmitting and receiving information | |
| CN115278930A (en) | MA PDU session processing method and user equipment thereof | |
| CN112534866A (en) | Method and device for determining Internet protocol version | |
| WO2023197184A1 (en) | Iab donor device and transmission address configuration method |
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 |