CN109802982B - Dual-connection implementation method, device and system - Google Patents
Dual-connection implementation method, device and system Download PDFInfo
- Publication number
- CN109802982B CN109802982B CN201711147204.8A CN201711147204A CN109802982B CN 109802982 B CN109802982 B CN 109802982B CN 201711147204 A CN201711147204 A CN 201711147204A CN 109802982 B CN109802982 B CN 109802982B
- Authority
- CN
- China
- Prior art keywords
- base station
- establishment request
- dual
- connection
- dual connectivity
- 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
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method, a device and a system for realizing double connection, wherein the method comprises the following steps: sending a double-connection establishment request to a first base station, and initiating a new session establishment instruction to a second base station; wherein the dual connectivity establishment request sent to the first base station comprises information of the second base station; receiving a dual-connection establishment request responded by the first base station, and a new session establishment request replied by the second base station; responding to the new session request of the second base station, and establishing uplink and downlink connection of data with the second base station. According to the invention, the core network triggers the dual-connection establishment flow, when the core network has a requirement of newly establishing a large-flow service, the dual-connection flow can be triggered in time, the auxiliary base station meeting the conditions is directly informed to establish the dual-connection of data, and the data distribution is realized, so that the data throughput of a user is improved, and the flow efficiency is improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a system for implementing dual connectivity.
Background
Referring to fig. 1, the architecture of the fifth generation mobile communication system includes: AMF (Access Management Function), SMF (Session Management Function), UPF (User Plane Function), UE (User Equipment or terminal), and gNB (gbnodeb, base station). The UE and the AMF are connected through a control plane interface, and the UE and the UPF are connected through a user plane interface.
The process of establishing connection with the network by the terminal is a process of establishing a control plane link and a user plane link between the terminal and a base station and a core network. The user plane Data of different services between the base station and the core network is carried by PDU Flow (Protocol Data Unit Flow), and the control plane is carried by the connection between the base station and the core network. Signaling is carried between the base station and the terminal through an SRB (signaling Radio Bearers), and Data is carried through a DRB (Data Radio Bearer).
Dual Connectivity (Dual Connectivity) is an enhancement to improve throughput and enhance mobility for the entire network. As shown in fig. 2, in the dual connection state, the terminal may simultaneously maintain connection with two network nodes, thereby adjusting the data transmission amount of each node in case of unbalanced network load.
As shown in fig. 3, in the existing network, when a large traffic session is newly established and a dual connectivity establishment condition is satisfied, a main base station (Master gNB) completes session establishment first, and then initiates a dual connectivity establishment procedure, where the main base station needs to forward data to an auxiliary base station (Secondary gNB) to implement data offloading. However, the process has the problem that when a core network needs to establish a new large-flow service, the core network may not be processed in time; and when a new large-flow service is required, an unnecessary data forwarding process is added.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a method, an apparatus and a system for implementing dual connectivity, so as to solve the problem that a core network may not be able to process in time when a new large traffic service is required; and the problem of unnecessary data forwarding process can be increased when a new large-flow service is required.
The technical scheme adopted by the invention for solving the technical problems is as follows:
according to an aspect of the present invention, there is provided a dual connectivity implementation method, which is used in a core network, and the method includes the steps of:
sending a double-connection establishment request to a first base station, and initiating a new session establishment instruction to a second base station; wherein the dual connectivity establishment request sent to the first base station comprises information of the second base station;
receiving a dual-connection establishment request responded by the first base station and a new session establishment request replied by the second base station;
responding to the new session request of the second base station, and establishing uplink and downlink connection of data with the second base station.
According to another aspect of the present invention, a dual connectivity implementation apparatus is provided, which includes a sending module, a first receiving module, and a response module;
the sending module is used for sending a dual-connection establishment request to the first base station and initiating a new session establishment instruction to the second base station; wherein the dual connectivity establishment request sent to the first base station comprises information of the second base station;
the first receiving module is configured to receive a dual connectivity establishment request responded by the first base station and a new session establishment request replied by the second base station;
and the response module is used for responding to the new session request of the second base station and establishing uplink and downlink connection of data with the second base station.
According to another aspect of the present invention, a dual connectivity implementation method is provided, which is used in a base station, where the base station includes a first base station and a second base station; the method comprises the following steps:
the first base station receives a dual connection establishment request sent by a core network and sends the dual connection establishment request to a terminal, wherein the dual connection establishment request sent to the terminal comprises configuration information of the second base station; receiving a dual-connection establishment request responded by the terminal, and responding to the dual-connection establishment request of the core network;
the second base station receives a new session establishment instruction initiated by the core network; establishing connection with the terminal, and replying a new session request to the core network; and receiving a new session request responded by the core network, and establishing uplink and downlink connection of data with the core network.
According to another aspect of the present invention, a dual connectivity implementation system is provided, where the system includes a terminal, a first base station, a second base station, and a core network;
the core network is configured to send a dual connectivity establishment request to the first base station, and initiate a new session establishment instruction to the second base station; wherein the dual connectivity establishment request sent to the first base station comprises information of the second base station; receiving a dual-connection establishment request responded by the first base station and a new session establishment request replied by the second base station; responding to a new session request of the second base station;
the first base station is configured to receive a dual connectivity establishment request sent by a core network, and send the dual connectivity establishment request to a terminal, where the dual connectivity establishment request sent to the terminal includes configuration information of the second base station; receiving a dual-connection establishment request responded by the terminal, and responding to the dual-connection establishment request of the core network;
the second base station is configured to receive a new session establishment instruction initiated by the core network; establishing connection with the terminal, and replying a new session request to the core network; receiving a new session request responded by the core network, and establishing uplink and downlink connection of data with the core network;
and the terminal is used for responding to the double-connection establishment request of the first base station and accessing the second base station according to the configuration information of the second base station.
According to the method, the device and the system for realizing the double connection, the core network triggers the double connection establishment flow, when the core network has the requirement of newly establishing a large-flow service, the double connection flow can be triggered in time, the auxiliary base station meeting the conditions is directly informed of establishing the double connection of the data, and the data distribution is realized, so that the data throughput of a user is improved, and the flow efficiency is improved.
Drawings
FIG. 1 is a block diagram of a fifth generation mobile communication system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a dual connection structure according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a dual connectivity establishment structure in the existing network;
fig. 4 is a flowchart illustrating a dual connectivity implementation method according to a first embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a dual-connection implementation apparatus according to a second embodiment of the present invention;
FIG. 6 is another schematic structural diagram of a dual connectivity implementation apparatus according to a second embodiment of the present invention;
fig. 7 is a flowchart illustrating a dual connectivity implementation method according to a third embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a dual connectivity implementation system according to a fourth embodiment of the present invention;
fig. 9 is a schematic diagram of a dual connection setup timing structure according to an embodiment of the invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
First embodiment
As shown in fig. 4, a first embodiment of the present invention provides a method for implementing dual connectivity, where the method is used in a core network, and the method includes the steps of:
s11, sending a double connection establishment request to the first base station, and initiating a new session establishment instruction to the second base station; wherein the dual connectivity establishment request sent to the first base station includes information of the second base station.
In this embodiment, after receiving a dual connectivity establishment request sent by a core network, a first base station sends the dual connectivity establishment request to a terminal, where the dual connectivity establishment request sent to the terminal includes configuration information of a second base station.
And after receiving the double-connection establishment request sent by the first base station, the terminal accesses the second base station according to the configuration information of the second base station. And simultaneously, the terminal responds to the double-connection establishment request of the first base station. And after the first base station receives the double connection establishment request responded by the terminal, the first base station responds to the double connection establishment request of the core network.
After the terminal accesses to the second base station, if a new session establishment instruction initiated by a core network is received, the second base station replies a new session establishment request to the core network.
In an embodiment, before sending a dual connectivity establishment request to a first base station and initiating a new session indication to a second base station, the method further includes the steps of:
receiving a dual-connection updating message reported by the first base station; wherein the dual connectivity update message comprises information of the second base station.
In the embodiment, a first base station issues a measurement task to the terminal; receiving a measurement report reported by the terminal; if the second base station which meets the conditions exists, reporting a double-connection updating message to the core network; wherein the dual connectivity update message comprises information of the second base station.
In another embodiment, before sending the dual connectivity establishment request to the first base station and initiating the new session indication to the second base station, the method further includes the steps of:
detecting whether a second base station meeting the double-connection establishment condition exists or not; if yes, the steps of sending a double connection establishment request to the first base station and initiating a new session instruction to the second base station are executed.
And S12, receiving the request for establishing the dual connectivity responded by the first base station and the request for new session replied by the second base station.
S13, responding to the new session request of the second base station, and establishing uplink and downlink connection of data with the second base station.
In this embodiment, after receiving the new session request returned by the second base station, the core network responds to the new session and establishes uplink and downlink connections of data with the second base station, thereby completing establishment of a streaming data link.
As an example, the following takes the fifth generation mobile communication system structure of fig. 1 and the dual connectivity structure of fig. 2 as an example, and the procedure of dual connectivity establishment is described with reference to fig. 9:
referring to S01-S03 in fig. 9, a Master gtnb (hereinafter referred to as M-gtnb) issues measurement tasks to the UE. And the M-gNB receives the measurement report reported by the UE. The M-gNB finds a qualified auxiliary base station (Secondary gNB, hereinafter referred to as S-gNB), and reports a dual connectivity information update message to the AMF, wherein the update message comprises related information of the S-gNB.
Referring to S04-S16 in fig. 9, in the case that the SMF needs to newly establish a large traffic bearer, an indication message for newly establishing a dual connectivity session is sent to the AMF. The message should include specific information related to dual connectivity, such as a dual connectivity establishment indication, and specific parameters related to Session (e.g. PDU Session Id, qfi (s)), for the newly-created PDU Flow.
And the AMF detects that the S-gNB meeting the dual-connection establishment condition exists, sends a dual-connection establishment message to the M-gNB, wherein the message contains the information related to the session of the S-gNB, and simultaneously initiates a new session establishment instruction to the S-gNB.
And the M-gNB sends a dual-connection establishment request to the terminal and configures the S-gNB related information to the terminal.
And the terminal receives the message and accesses the S-gNB. And simultaneously, the terminal replies that the M-gNB configuration is completed.
And the M-gNB receives the message of the terminal configuration completion and replies a response to the AMF. And simultaneously, the S-gNB replies to the new session request.
And the AMF transparently transmits the new session request message to the SMF.
After receiving the message, the SMF sends a new session message to the UPF, wherein the new session message comprises PDU session and tunnel related information.
The UPF replies a new session response to the SMF.
And the SMF and the AMF transparently transmit a new session response to the S-gNB. And establishing uplink and downlink connection of the UPF and the data of the S-gNB to complete the establishment of the streaming data link.
According to the method for realizing the dual-connection, the core network triggers the dual-connection establishment flow, when the core network has the requirement of newly establishing a large-flow service, the dual-connection flow can be triggered in time, the auxiliary base station meeting the conditions is directly informed of establishing the dual-connection of the data, and the data distribution is realized, so that the data throughput of a user is improved, and the flow efficiency is improved.
Second embodiment
As shown in fig. 5, a second embodiment of the present invention provides a dual connection implementation apparatus, which includes a sending module 21, a first receiving module 22, and a responding module 23;
the sending module 21 is configured to send a dual connectivity establishment request to the first base station, and initiate a new session establishment instruction to the second base station; wherein the dual connectivity establishment request sent to the first base station includes information of the second base station.
In this embodiment, after receiving the dual connectivity establishment request sent by the sending module 21, the first base station sends the dual connectivity establishment request to the terminal, where the dual connectivity establishment request sent to the terminal includes the configuration information of the second base station.
And after receiving the double-connection establishment request sent by the first base station, the terminal accesses the second base station according to the configuration information of the second base station. And simultaneously, the terminal responds to the double-connection establishment request of the first base station. And after the first base station receives the double connection establishment request responded by the terminal, the first base station responds to the double connection establishment request of the core network.
After the terminal accesses the second base station, if receiving the new session indication initiated by the sending module 21, the second base station replies a new session request.
The first receiving module 22 is configured to receive a dual connectivity establishment request responded by the first base station and a new session request replied by the second base station.
The response module 23 is configured to respond to the new session request of the second base station, and establish uplink and downlink connection of data with the second base station.
In this embodiment, after the first receiving module 22 receives the new session request returned by the second base station, the first receiving module establishes an uplink and downlink connection of data with the second base station in response to the new session, and completes establishment of a streaming data link.
Referring to fig. 6, in one embodiment, the apparatus further includes a second receiving module 24;
the second receiving module 24 is configured to receive a dual connectivity update message reported by the first base station; wherein the dual connectivity update message comprises information of the second base station.
In the embodiment, a first base station issues a measurement task to the terminal; receiving a measurement report reported by the terminal; if the second base station meets the condition, reporting a dual-connection update message to the second receiving module 24; wherein the dual connectivity update message comprises information of the second base station.
Referring again to fig. 6, in another embodiment, the apparatus further comprises a detection module 25;
the detecting module 25 is configured to detect whether there is a second base station meeting a dual connectivity establishment condition;
the sending module 21 is further configured to send a dual connectivity establishment request to the first base station and initiate a new session establishment instruction to the second base station if the detecting module detects that the second base station meeting the dual connectivity establishment condition exists; wherein the dual connectivity establishment request sent to the first base station includes information of the second base station.
According to the dual-connection implementation device provided by the embodiment of the invention, the core network triggers the dual-connection establishment flow, when the core network has a new large-flow service requirement, the dual-connection flow can be triggered in time, the auxiliary base station meeting the conditions is directly informed to establish the dual-connection of data, and the data distribution is realized, so that the data throughput of a user is improved, and the flow efficiency is improved.
Third embodiment
As shown in fig. 7, a third embodiment of the present invention provides a method for implementing dual connectivity, where the method is used in a base station, where the base station includes a first base station and a second base station; the method comprises the following steps:
s31, the first base station receives a dual connectivity establishment request sent by a core network, and sends the dual connectivity establishment request to a terminal, where the dual connectivity establishment request sent to the terminal includes configuration information of the second base station; receiving a dual-connection establishment request responded by the terminal, and responding to the dual-connection establishment request of the core network;
in one embodiment, the method further comprises the steps of:
the first base station issues a measurement task to the terminal; receiving a measurement report reported by the terminal; if the second base station which meets the conditions exists, reporting a double-connection updating message to the core network; wherein the dual connectivity update message comprises information of the second base station.
S32, the second base station receives a new session indication initiated by the core network; establishing connection with the terminal, and replying a new session request to the core network; and receiving a new session request responded by the core network, and establishing uplink and downlink connection of data with the core network.
According to the method for realizing the dual-connection, the core network triggers the dual-connection establishment flow, when the core network has the requirement of newly establishing a large-flow service, the dual-connection flow can be triggered in time, the auxiliary base station meeting the conditions is directly informed of establishing the dual-connection of the data, and the data distribution is realized, so that the data throughput of a user is improved, and the flow efficiency is improved.
Fourth embodiment
As shown in fig. 8, a fourth embodiment of the present invention provides a dual connectivity implementation system, where the system includes a terminal 41, a base station 42, and a core network 43; the base station 42 includes a first base station 421 and a second base station 422, and it should be noted that the number of the first base station 421 and the second base station 422 is not limited herein.
The core network 41 is configured to send a dual connectivity establishment request to the first base station 421, and initiate a new session establishment instruction to the second base station 422; wherein, the dual connectivity establishment request sent to the first base station 421 includes information of the second base station 422; receiving a dual connectivity establishment request responded by the first base station 421 and a new session request replied by the second base station 422; in response to the new session request of the second base station 422.
In this embodiment, when there is a need for a new large traffic service, the core network 41 triggers a dual connectivity procedure.
In an embodiment, the core network 41 is further configured to detect whether there is a second base station 422 meeting a dual connectivity establishment condition; if the two-connection establishment request exists, the two-connection establishment request is sent to the first base station 421, and a new session establishment instruction is initiated to the second base station 422.
The first base station 421 is configured to receive a dual connectivity establishment request sent by a core network 41, and send the dual connectivity establishment request to a terminal 43, where the dual connectivity establishment request sent to the terminal 43 includes configuration information of the second base station 422; and receiving the dual connectivity establishment request responded by the terminal 43, and responding to the dual connectivity establishment request of the core network 41.
In this embodiment, the configuration information of the second base station 422 is configured based on the information of the second base station 422.
In an embodiment, the first base station 421 is further configured to issue a measurement task to the terminal 43; receiving a measurement report reported by the terminal 43; if the second base station 422 meets the condition, reporting a dual connectivity update message to the core network 41; wherein the dual connectivity update message comprises information of the second base station 422.
The second base station 422 is configured to receive a new session indication initiated by the core network 41, and reply a new session request to the core network 41; receiving a new session request responded by the core network 41, and establishing uplink and downlink connection of data with the core network 41;
the terminal 43 is configured to respond to the dual connectivity establishment request of the first base station 421, and access the second base station 422 according to the configuration information of the second base station 422.
To further explain this embodiment, taking an SMF-initiated dual connectivity procedure as an example, the establishment and implementation process of dual connectivity will be described with reference to fig. 9:
as shown in fig. 9, in step 01, a Master gbb (hereinafter referred to as M-gbb) issues a measurement task to a terminal UE.
And step 02, the M-gNB receives the measurement report reported by the UE.
Step 03, the M-gNB finds a qualified Secondary base station (Secondary gNB, hereinafter referred to as S-gNB), and reports a dual connectivity information update message to the AMF, where the update message includes information related to the S-gNB.
And step 04, under the condition that the SMF needs to newly establish a large-flow bearer, sending an indication message for newly establishing a dual-connection session to the AMF. The message should include specific information related to dual connectivity, such as a dual connectivity establishment indication, and specific parameters related to Session (e.g. PDU Session Id, qfi (s)), for the newly-created PDU Flow.
Step S05-step S06, AMF detects that there is S-gNB meeting the dual connection establishment condition, sends the dual connection establishment message to M-gNB, the message contains the information of the S-gNB and the conversation, and simultaneously initiates a new conversation instruction to the S-gNB.
And step S07, the M-gNB sends a dual connectivity establishment request to the terminal, and configures the related information of the S-gNB to the terminal.
Step S08-step S09, the terminal receives the message and accesses the S-gNB. And simultaneously, the terminal replies that the M-gNB configuration is completed.
Step S10-step S11, the M-gNB receives the message that the terminal configuration is completed and replies a response to the AMF. And simultaneously, the S-gNB replies to the new session request.
Step S12, the AMF transparently transmits the new session request message to the SMF.
Step S13, after receiving the new session, the SMF sends a new session message to the UPF, which includes PDU session and tunnel related information.
In step S14, the UPF replies a new session response to the SMF.
Step S15-step S16, the SMF and the AMF transparently transmit a new session response to the S-gNB. And establishing uplink and downlink connection of the UPF and the data of the S-gNB to complete the establishment of the streaming data link.
According to the dual-connection implementation system, the core network triggers the dual-connection establishment flow, when the core network has the requirement of newly establishing a large-flow service, the dual-connection flow can be triggered in time, the auxiliary base station meeting the conditions is directly informed of establishing dual-connection of data, and data distribution is achieved, so that the data throughput of a user is improved, and the flow efficiency is improved.
It should be noted that the device embodiment and the method embodiment belong to the same concept, and specific implementation processes thereof are described in the method embodiment in detail, and technical features in the method embodiment are correspondingly applicable in the device embodiment, which is not described herein again.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better embodiment. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, and are not to be construed as limiting the scope of the invention. Those skilled in the art can implement the invention in various modifications, such as features from one embodiment can be used in another embodiment to yield yet a further embodiment, without departing from the scope and spirit of the invention. Any modification, equivalent replacement and improvement made within the technical idea of using the present invention should be within the scope of the right of the present invention.
Claims (10)
1. A method for implementing dual connectivity, the method being used in a core network, the method comprising the steps of:
sending a double-connection establishment request to a first base station, and initiating a new session establishment instruction to a second base station; wherein the dual connectivity establishment request sent to the first base station comprises information of the second base station;
receiving a dual-connection establishment request responded by the first base station and a new session establishment request replied by the second base station;
responding to the new session request of the second base station, and establishing uplink and downlink connection of data with the second base station.
2. The method of claim 1, wherein before sending the dual connectivity establishment request to the first base station and initiating a new session indication to the second base station, the method further comprises:
receiving a dual-connection updating message reported by the first base station; wherein the dual connectivity update message comprises information of the second base station.
3. The method of claim 1, wherein before sending the dual connectivity establishment request to the first base station and initiating a new session indication to the second base station, the method further comprises:
detecting whether a second base station meeting the double-connection establishment condition exists or not; if yes, executing the steps of sending a double connection establishment request to the first base station and initiating a new session indication to the second base station.
4. The device for realizing double connection is characterized by comprising a sending module, a first receiving module and a response module;
the sending module is used for sending a dual-connection establishment request to the first base station and initiating a new session establishment instruction to the second base station; wherein the dual connectivity establishment request sent to the first base station comprises information of the second base station;
the first receiving module is configured to receive a dual connectivity establishment request responded by the first base station and a new session establishment request replied by the second base station;
and the response module is used for responding to the new session request of the second base station and establishing uplink and downlink connection of data with the second base station.
5. The dual connectivity enabling apparatus of claim 4, further comprising a second receiving module;
the second receiving module is configured to receive a dual connectivity update message reported by the first base station; wherein the dual connectivity update message comprises information of the second base station.
6. The dual connectivity enabling apparatus of claim 4, further comprising a detection module;
the detection module is used for detecting whether a second base station meeting the double-connection establishment condition exists or not;
the sending module is further configured to send a dual connectivity establishment request to the first base station and initiate a new session establishment instruction to the second base station if the detecting module detects that the second base station meeting the dual connectivity establishment condition exists; wherein the dual connectivity establishment request sent to the first base station includes information of the second base station.
7. A method for realizing dual connectivity is used in a base station, wherein the base station comprises a first base station and a second base station; characterized in that the method comprises the steps of:
the first base station receives a dual connection establishment request sent by a core network and sends the dual connection establishment request to a terminal, wherein the dual connection establishment request sent to the terminal comprises configuration information of the second base station; receiving a dual-connection establishment request responded by the terminal, and responding to the dual-connection establishment request of the core network;
the second base station receives a new session establishment instruction initiated by the core network; establishing connection with the terminal, and replying a new session request to the core network; and receiving a new session request responded by the core network, and establishing uplink and downlink connection of data with the core network.
8. The dual connectivity implementation method of claim 7, wherein the method further comprises the steps of:
the first base station issues a measurement task to the terminal; receiving a measurement report reported by the terminal; if the second base station which meets the conditions exists, reporting a double-connection updating message to the core network; wherein the dual connectivity update message comprises information of the second base station.
9. A dual-connection implementation system is characterized in that the system comprises a terminal, a first base station, a second base station and a core network;
the core network is configured to send a dual connectivity establishment request to the first base station, and initiate a new session establishment instruction to the second base station; wherein the dual connectivity establishment request sent to the first base station comprises information of the second base station; receiving a dual-connection establishment request responded by the first base station and a new session establishment request replied by the second base station; responding to a new session request of the second base station;
the first base station is configured to receive a dual connectivity establishment request sent by a core network, and send the dual connectivity establishment request to a terminal, where the dual connectivity establishment request sent to the terminal includes configuration information of the second base station; receiving a dual-connection establishment request responded by the terminal, and responding to the dual-connection establishment request of the core network;
the second base station is configured to receive a new session establishment instruction initiated by the core network; establishing connection with the terminal, and replying a new session request to the core network; receiving a new session request responded by the core network, and establishing uplink and downlink connection of data with the core network;
and the terminal is used for responding to the double-connection establishment request of the first base station and accessing the second base station according to the configuration information of the second base station.
10. The system of claim 9, wherein the first base station is further configured to issue a measurement task to the terminal; receiving a measurement report reported by the terminal; if the second base station which meets the conditions exists, reporting a double-connection updating message to the core network; wherein the dual connectivity update message comprises information of the second base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147204.8A CN109802982B (en) | 2017-11-17 | 2017-11-17 | Dual-connection implementation method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147204.8A CN109802982B (en) | 2017-11-17 | 2017-11-17 | Dual-connection implementation method, device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109802982A CN109802982A (en) | 2019-05-24 |
| CN109802982B true CN109802982B (en) | 2021-04-20 |
Family
ID=66554877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711147204.8A Active CN109802982B (en) | 2017-11-17 | 2017-11-17 | Dual-connection implementation method, device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109802982B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110677925B (en) * | 2019-08-30 | 2021-08-20 | 华为技术有限公司 | Method for processing radio bearer and terminal equipment |
| TWI775009B (en) * | 2019-11-13 | 2022-08-21 | 財團法人資訊工業策進會 | Base station and data transmission method thereof for mobile communication system |
| CN113328780B (en) * | 2021-05-17 | 2022-06-28 | 广州爱浦路网络技术有限公司 | Synchronous paging method and system for ground and satellite converged mobile network |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105221A (en) * | 2013-04-15 | 2014-10-15 | 中兴通讯股份有限公司 | Double-connection realization method and base station |
| CN105557006A (en) * | 2013-08-09 | 2016-05-04 | 三星电子株式会社 | Security key generation and management method of PDCP distributed structure for supporting dual connectivity |
| CN106470503A (en) * | 2015-08-14 | 2017-03-01 | 中国电信股份有限公司 | Method of attachment, connection equipment, user equipment and connection system |
| CN106941733A (en) * | 2016-01-04 | 2017-07-11 | 中兴通讯股份有限公司 | Method for realizing reconfiguration in dual connection, main service base station and auxiliary service base station |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160157155A1 (en) * | 2013-09-09 | 2016-06-02 | Nokia Solutions And Networks Oy | Selective Bearer Splitting in Cell System |
-
2017
- 2017-11-17 CN CN201711147204.8A patent/CN109802982B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105221A (en) * | 2013-04-15 | 2014-10-15 | 中兴通讯股份有限公司 | Double-connection realization method and base station |
| CN105557006A (en) * | 2013-08-09 | 2016-05-04 | 三星电子株式会社 | Security key generation and management method of PDCP distributed structure for supporting dual connectivity |
| CN106470503A (en) * | 2015-08-14 | 2017-03-01 | 中国电信股份有限公司 | Method of attachment, connection equipment, user equipment and connection system |
| CN106941733A (en) * | 2016-01-04 | 2017-07-11 | 中兴通讯股份有限公司 | Method for realizing reconfiguration in dual connection, main service base station and auxiliary service base station |
Non-Patent Citations (1)
| Title |
|---|
| RRC Reconfiguration procedure for Dual Connectivity;NSN, Nokia Corporation;《3GPP TSG-RAN WG2 Meeting #85》;20140214;第1-5页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109802982A (en) | 2019-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3675579B1 (en) | Data scheduling methods, apparatus and computer-readable mediums | |
| CN109892003B (en) | Method and system for establishing a connection between a remote UE and a telecommunications network via a relay-capable user equipment UE | |
| EP2991440B1 (en) | Method and device for connecting to network | |
| CN103609150A (en) | Traffic offload via local network based on APN-specific or non-APN-specific informaiton | |
| US10362549B2 (en) | Method and apparatus for setting up interface between access points | |
| CN105338519A (en) | Method for supporting low-complexity UE access and paging | |
| CN107852759A (en) | Connect control device and method | |
| US10728946B2 (en) | System information handling for dual connectivity cellular systems | |
| CN106937347B (en) | Group call switching method and system of cross-cluster core network | |
| US11589331B2 (en) | Interface establishing method and apparatus | |
| CN103796188A (en) | Method and device for transmitting downlink data | |
| CN109802982B (en) | Dual-connection implementation method, device and system | |
| CN103313406A (en) | Method for carrying out D2D (device-to-device) communication between different cells by adopting signaling interaction of X2 interfaces | |
| CN104640165A (en) | Data transmission method, equipment and system | |
| CN110519172B (en) | Wireless communication method and apparatus | |
| CN108076449B (en) | Emergency call method, trunking communication system, base station and control device | |
| WO2010105410A1 (en) | Method, device and system for setting up radio bearer | |
| US11382152B2 (en) | Method and device for configuring GTP transmission channel and storage medium | |
| WO2017133629A1 (en) | Message forwarding method, device, system, and computer storage medium | |
| CN111050332A (en) | Communication method, secondary network node and terminal | |
| JP5313404B2 (en) | Method and system for realizing local call local switch | |
| CN103997796A (en) | Method for processing service data | |
| CN102790979B (en) | Method and device for realizing priority alarm (PAM) in communication between machines | |
| CN101594651B (en) | Method, device and system for sending abutting subdistrict list | |
| CN109963315B (en) | Secondary base station allocation method and device |
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 |