CN113260083B - Connection control method, device and communication equipment - Google Patents
Connection control method, device and communication equipment Download PDFInfo
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- CN113260083B CN113260083B CN202010091732.1A CN202010091732A CN113260083B CN 113260083 B CN113260083 B CN 113260083B CN 202010091732 A CN202010091732 A CN 202010091732A CN 113260083 B CN113260083 B CN 113260083B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W76/30—Connection release
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Abstract
The embodiment of the invention provides a connection control method, a device and communication equipment, wherein the connection control method comprises the following steps: sending a notification message to the first communication device; the notification message is for at least one of: notifying the first communication device to establish a connection with a second communication device; informing the first communication device to send information to the second communication device; and informing the first communication equipment to release the connection with the second communication equipment. The embodiment of the invention can realize that the access network element controls the connection between the two communication devices, thereby reducing communication paths and time delay compared with the core network element control in the prior art.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a connection control method and apparatus, and a communication device.
Background
In the prior art, connections between different communication end points (endpoints), such as connections between a service end and other terminals, are generally controlled by core network elements, such as Access and Mobility Management functions (AMFs). However, the data link from the network element of the core network to the communication end point is generally longer, resulting in longer time delay in controlling the connection between different communication end points.
Disclosure of Invention
Embodiments of the present invention provide a connection control method, an apparatus, and a communication device, so as to solve a problem in the prior art that a time delay is long when controlling a connection between different communication endpoints.
In order to solve the above technical problem, the embodiment of the present invention is implemented as follows:
in a first aspect, an embodiment of the present invention provides a connection control method, applied to an access network element, including:
sending a notification message to the first communication device;
wherein the notification message is for at least one of:
notifying the first communication device to establish a connection with a second communication device;
informing the first communication device to send information to a second communication device;
notifying the first communication device to release the connection with the second communication device.
In a second aspect, an embodiment of the present invention provides a connection control method, applied to a first communications device, including:
receiving a notification message sent by an access network element;
wherein the notification message is for at least one of:
notifying the first communication device to establish a connection with a second communication device;
informing the first communication device to send information to the second communication device;
notifying the first communication device to release the connection with the second communication device.
In a third aspect, an embodiment of the present invention provides a connection control apparatus, which is applied to an access network element, and includes:
a sending module, configured to send a notification message to a first communication device;
wherein the notification message is for at least one of:
notifying the first communication device to establish a connection with a second communication device;
informing the first communication device to send information to the second communication device;
notifying the first communication device to release the connection with the second communication device.
In a fourth aspect, an embodiment of the present invention provides a connection control apparatus, applied to a first communication device, including:
a third receiving module, configured to receive a notification message sent by an access network element;
wherein the notification message is for at least one of:
informing the first communication device to establish a connection with a second communication device;
informing the first communication device to send information to a second communication device;
and informing the first communication equipment to release the connection with the second communication equipment.
In a fifth aspect, an embodiment of the present invention provides a communication device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program, when executed by the processor, implements the steps of the above-mentioned connection control method.
In a sixth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, can implement the steps of the above-mentioned connection control method.
In this embodiment of the present invention, the access network element may send a notification message to the first communication device to notify the first communication device to establish or release a connection with the second communication device, or notify the first communication device to send information to the second communication device. Therefore, the connection between the two communication devices can be controlled by the network element of the access network, so that compared with the control by the network element of the core network in the prior art, the communication path can be reduced, and the time delay is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a flowchart of a connection control method according to an embodiment of the present invention;
fig. 2 is a flowchart of a connection control process in example 1 of the present invention;
fig. 3 is a flowchart of a connection control process in example 2 of the present invention;
FIG. 4 is a flow chart of another connection control method according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a connection control apparatus according to an embodiment of the present invention;
FIG. 6 is a second schematic structural diagram of a connection control apparatus according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a communication device according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
The terms "comprises," "comprising," or any other variation thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the use of "and/or" in the specification and claims means that at least one of the connected objects, such as a and/or B, means that three cases, a alone, B alone, and both a and B, exist.
The techniques described herein are not limited to Long Time Evolution (LTE)/LTE Evolution (LTE-Advanced, LTE-a) systems, and may also be used for various wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems, such as New Radio (NR) systems, among others.
Network architectures suitable for use herein include, but are not limited to: a Local Management Function (LMF) is implemented by sinking to a Radio Access Network (RAN) side. For example, a Local Management Control (LMC) function exists on the RAN side as a node, and is connected to the base station (g-NB) via an internal interface.
Referring to fig. 1, fig. 1 is a flowchart of a connection control method according to an embodiment of the present invention, where the method is applied to an access network element, for example, an LMF or LMC function. As shown in fig. 1, the method comprises the steps of:
step 101: a notification message is sent to the first communication device.
Optionally, the notification message may be used for at least one of:
informing the first communication equipment to establish connection with the second communication equipment; for example, in this case, the notification message may be referred to as a notification connection message to notify the first communication device to enter a connected state;
informing the first communication equipment to send information to the second communication equipment; for example, in this case, the first communication device may be in a connected or inactivated (INACTIVE) state;
notifying the first communication device to release the connection with the second communication device; in this case, for example, the notification message may be referred to as a notification release message to notify the first communication device to release the connection.
As an alternative embodiment, the connection may be a Radio Resource Control (RRC) connection.
Note that, in this embodiment, the first communication device is specifically an information sending end, and the second communication device is specifically an information receiving end. Further optionally, the first communication device and the second communication device are both terminals (e.g., User Equipments (UEs)), for example, the first communication device is a serving UE1, and the second communication device is another UE 2; or, the first communication device is a network device and the second communication device is a UE; alternatively, the first communication device is a UE and the second communication device is a network device.
In the connection control method of the embodiment of the present invention, the access network element may send a notification message to the first communication device to notify the first communication device to establish or release a connection with the second communication device, or notify the first communication device to send information to the second communication device. Therefore, the connection between the two communication devices can be controlled by the network element of the access network, so that compared with the control by the network element of the core network in the prior art, the communication path can be reduced, and the time delay is reduced.
In the embodiment of the present invention, in the process of sending the notification message to the first communication device, the access network element may send the notification message to the first communication device through the base station.
Optionally, the process of sending the notification message to the first communication device through the base station may include:
an access network element sends information acquisition request information to a base station so that the base station sends a notification message to first communication equipment; the notification message is used for notifying the first communication equipment to establish connection with the second communication equipment and sending information to the second communication equipment; or the notification message is used for notifying the first communication device in the inactive state to send information to the second communication device.
Further, when the access network element sends the information acquisition request information to the base station, the second communication device may trigger a corresponding information acquisition process, or the access network element may actively initiate the information acquisition process. When the second communication device triggers the corresponding information acquisition process, the access network element may also receive the information acquisition request information sent by the second communication device before sending the information acquisition request information to the base station.
In one embodiment, the information acquisition request information may be selected as location information acquisition request information (or positioning information acquisition request information), and the corresponding information acquisition process is a location information acquisition process.
Taking the above-mentioned information obtaining process as an example of a location information obtaining process, as shown in fig. 2, the location information obtaining process in example 1 of the present invention may include the following steps:
step 21: and under the condition that the position information needs to be acquired, a service (Server) side sends a position information acquisition request to the LMF.
Step 22: the LMF resolves a positioning protocol (such as an LPP protocol) and sends a position information acquisition request to the base station g-NB.
In addition, in other cases, the LMF may also initiate the location information acquisition procedure through the g-NB on its own initiative.
Step 23 a: and the g-NB sends a paging message to the UE to inform the UE of entering a connection state, namely, establishing connection with the server and sending the position information to the server.
Alternatively, step 23 b: the g-NB sends a notification message to the UE in an INACTIVE (INACTIVE) state to notify the UE to send the location information to the server side through a resume (resume) message, and at the moment, the UE does not enter a connected state.
In the embodiment of the invention, in order to avoid unnecessary connection and resource waste, an acknowledgement indication process to an access network element can be added. After the first communication device in the inactive state sends information to the second communication device, the method may further include:
receiving acknowledgement indication information sent by the second communication equipment;
a notification message for notifying release of connection with a second communication apparatus is transmitted to a first communication apparatus through a base station.
In one embodiment, the process of sending a notification message for notifying release of connection with a second communication device to a first communication device through a base station may include: firstly, an access network element sends acknowledgement indication information to a base station; then, the base station transmits a notification message for notifying release of connection with the second communication device to the first communication device after receiving the acknowledgement indication information.
In another embodiment, the process of sending a notification message for notifying release of connection with a second communication device to a first communication device through a base station may include: firstly, an access network element sends a notification release message to a base station; then, the base station transmits a notification message for notifying release of connection with the second communication device to the first communication device after receiving the notification release message.
Optionally, in order to effectively control connection and release between the first communication device and the second communication device, and ensure information transmission between the first communication device and the second communication device, a timer may be added in the base station. The above process of sending, by the base station, the notification message for notifying the release of the connection with the second communication device to the first communication device after receiving the acknowledgement indication information sent by the second communication device may include:
transmitting first information to the base station to transmit the notification message to the first communication device if the first information is received by the base station before a timer in the base station expires.
Optionally, the first information may be acknowledgement indication information or notification release message; the timer is started when the first communication device in the inactive state sends information to the second communication device.
Further, in order to save signaling, the timer may be further configured to, when the timer is overtime and does not receive the acknowledgement indication information, actively send, to the first communication device, a notification message for notifying establishment of connection with the second communication device, so that the first communication device retransmits information to the second communication device, and it is ensured that the information is successfully transmitted.
Optionally, an embodiment of the present invention may further provide a connection control method, where the method is applied to a base station, and the method may include the following steps: s1: monitoring whether a timer in the base station is overtime; the timer is started when the first communication equipment in the inactive state sends information to the second communication equipment; s2: if the timer is overtime, receiving first information sent by an access network element (such as LMF and LMC); the first information may be acknowledgement indication information or a notification release message, and the first information may be sent by an access network element after receiving the acknowledgement indication information sent by the second communication device; s3: a notification message for notifying release of connection with the second communication device is transmitted to the first communication device. Or, if the base station does not receive the first information sent by the access network element when the timer expires, the base station may actively send a notification message for notifying establishment of connection with the second communication device to the first communication device, so that the first communication device retransmits information to the second communication device.
As shown in fig. 3, the location information acquisition process in example 2 of the present invention may include the steps of:
step 31: the UE in the inactive state sends the location information to the server through an LPP message (end transmission IE to TRUE).
Step 32: the g-NB starts a timer T.
Step 33: and the server side sends the acknowledgement indication information to the UE and sends the acknowledgement indication information to the LMF.
Step 34: if the timer T is overtime, the g-NB receives confirmation indication information or notification release information sent by the LMF;
step 35: and the g-NB sends a notification release message to the UE so as to release the connection with the server side.
Step 36: and if the g-NB does not receive the acknowledgement indication information or the notification release message when the timer T is overtime, notifying the UE to enter a connected state, and retransmitting the position information to the server side.
Referring to fig. 4, fig. 4 is a flowchart of a connection control method according to an embodiment of the present invention, where the method is applied to a first communication device, such as a terminal or a network device. As shown in fig. 4, the method includes the steps of:
step 401: and receiving a notification message sent by the network element of the access network.
Optionally, the notification message may be used for at least one of:
notifying the first communication device to establish a connection with a second communication device;
informing the first communication device to send information to the second communication device;
and informing the first communication equipment to release the connection with the second communication equipment.
Optionally, the step 410 may include: and receiving a notification message sent by the access network element through the base station.
As an alternative, the connection may be an RRC connection.
The connection control method of the embodiment of the invention can realize that the access network element controls the connection between the two communication devices, thereby reducing communication paths and reducing time delay compared with the prior art in which the access network element controls the connection between the two communication devices.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a connection control apparatus according to an embodiment of the present invention, where the connection control apparatus 50 is applied to an access network element, such as an LMF or LMC function. As shown in fig. 5, the connection control device 50 includes:
a sending module 51, configured to send a notification message to the first communication device;
wherein the notification message is for at least one of:
informing the first communication device to establish a connection with a second communication device;
informing the first communication device to send information to a second communication device;
and informing the first communication equipment to release the connection with the second communication equipment.
Optionally, the sending module 51 is specifically configured to:
sending the notification message to the first communication device through a base station.
Optionally, the sending module 51 is specifically configured to:
sending information acquisition request information to the base station to send the notification message to the first communication device by the base station;
the notification message is used for notifying the first communication device to establish connection with the second communication device and sending information to the second communication device; or the notification message is used for notifying the first communication device in the inactive state to send information to the second communication device.
Optionally, the connection control device 50 may further include:
and the first receiving module is used for receiving the information acquisition request information sent by the second communication equipment.
Optionally, the connection control device 50 may further include:
a second receiving module, configured to receive acknowledgement indication information sent by the second communication device after the first communication device in the inactive state sends information to the second communication device;
the sending module 51 is further configured to: transmitting, by the base station, a notification message for notifying release of connection with the second communication apparatus to the first communication apparatus.
Optionally, the sending module 51 is further configured to: sending first information to the base station to send the notification message to the first communication device if the first information is received by the base station before a timer in the base station expires;
wherein the timer is started when the first communication device in an inactive state sends information to the second communication device; the first information is acknowledgement indication information or notification release information.
Optionally, the timer is further configured to send, by the base station, a notification message for notifying establishment of connection with the second communication device to the first communication device when the timer is overtime and the first information is not received.
The connection control device 50 according to the embodiment of the present invention may implement each process implemented in the method embodiment shown in fig. 1, and achieve the same beneficial effects, and for avoiding repetition, details are not described here again.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a connection control apparatus 60 according to an embodiment of the present invention, where the connection control apparatus is applied to a first communication device (such as a terminal or a network device). As shown in fig. 6, the connection control device 60 includes:
a third receiving module 61, configured to receive a notification message sent by an access network element;
wherein the notification message is for at least one of:
notifying the first communication device to establish a connection with a second communication device;
informing the first communication device to send information to the second communication device;
and informing the first communication equipment to release the connection with the second communication equipment.
Optionally, the third receiving module 61 is specifically configured to: and receiving a notification message sent by the access network element through the base station.
The connection control device 60 according to the embodiment of the present invention may implement each process implemented in the method embodiment shown in fig. 4 and achieve the same beneficial effects, and for avoiding repetition, details are not repeated here.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a communication device according to an embodiment of the present invention, and as shown in fig. 7, the communication device 70 includes: the processor 71, the memory 72, and a computer program stored in the memory 72 and capable of running on the processor are coupled together through a bus interface 73, and when being executed by the processor 71, the computer program may implement each process implemented in the method embodiment shown in fig. 1, or implement each process implemented in the method embodiment shown in fig. 4, and may achieve the same technical effect, and therefore, in order to avoid repetition, details are not repeated here.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process implemented in the method embodiment shown in fig. 1, or implements each process implemented in the method embodiment shown in fig. 4, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the description of the foregoing embodiments, it is clear to those skilled in the art that the method of the foregoing embodiments may be implemented by software plus a necessary general hardware platform, and certainly may also be implemented by hardware, but in many cases, the former is a better implementation. 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 (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.
While the present invention has been described with reference to the particular illustrative embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and equivalents thereof, which may be made by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A connection control method is applied to an access network element, and is characterized by comprising the following steps:
sending a notification message to the first communication device;
wherein the notification message is for at least one of:
informing the first communication device to establish a connection with a second communication device;
informing the first communication device to send information to a second communication device;
notifying the first communication device to release the connection with the second communication device;
the sending the notification message to the first communication device includes:
sending the notification message to the first communication device through a base station;
the sending, by the base station, the notification message to the first communication device includes:
sending information acquisition request information to the base station to send the notification message to the first communication device by the base station;
the notification message is used for notifying the first communication device to establish connection with the second communication device and sending information to the second communication device; or the notification message is used for notifying the first communication device in the inactive state to send information to the second communication device.
2. The method of claim 1, wherein before sending the information acquisition request information to the base station, the method further comprises:
and receiving information acquisition request information sent by the second communication equipment.
3. The method of claim 1, wherein after the first communication device in the inactive state sends information to the second communication device, the method further comprises:
receiving acknowledgement indication information sent by the second communication device;
transmitting, by the base station, a notification message for notifying release of connection with the second communication apparatus to the first communication apparatus.
4. The method of claim 3, wherein the sending, by the base station, a notification message to the first communication device for notifying the release of the connection with the second communication device comprises:
sending first information to the base station to send the notification message to the first communication device if the first information is received by the base station before a timer in the base station expires;
wherein the timer is started when the first communication device in an inactive state sends information to the second communication device; the first information is acknowledgement indication information or notification release information.
5. The method according to claim 4, wherein the timer is further configured to send a notification message to the first communication device for notifying establishment of connection with the second communication device, when the timer expires and the first information is not received by the base station.
6. A connection control method applied to a first communication device, comprising:
receiving a notification message sent by an access network element;
wherein the notification message is for at least one of:
notifying the first communication device to establish a connection with a second communication device;
informing the first communication device to send information to the second communication device;
notifying the first communication device to release the connection with the second communication device;
the receiving of the notification message sent by the access network element includes:
receiving a notification message sent by the access network element through a base station;
the notification message is used for notifying the first communication device to establish connection with the second communication device and sending information to the second communication device; or the notification message is used for notifying the first communication device in the inactive state to send information to the second communication device.
7. A connection control device applied to an access network element is characterized by comprising:
a sending module, configured to send a notification message to a first communication device;
wherein the notification message is for at least one of:
notifying the first communication device to establish a connection with a second communication device;
informing the first communication device to send information to the second communication device;
notifying the first communication device to release the connection with the second communication device;
the sending module is specifically configured to:
sending the notification message to the first communication device through a base station;
the sending module is specifically configured to:
sending information acquisition request information to the base station to send the notification message to the first communication device by the base station;
the notification message is used for notifying the first communication device to establish connection with the second communication device and sending information to the second communication device; or the notification message is used for notifying the first communication device in the inactive state to send information to the second communication device.
8. A connection control apparatus applied to a first communication device, comprising:
a third receiving module, configured to receive a notification message sent by an access network element;
wherein the notification message is for at least one of:
informing the first communication device to establish a connection with a second communication device;
informing the first communication device to send information to a second communication device;
notifying the first communication device to release the connection with the second communication device;
the third receiving module is specifically configured to: receiving a notification message sent by the access network element through a base station; the notification message is used for notifying the first communication device to establish connection with the second communication device and sending information to the second communication device; or the notification message is used for notifying the first communication device in the inactive state to send information to the second communication device.
9. A communication device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the computer program realizes the steps of the connection control method according to any one of claims 1 to 5 or the steps of the connection control method according to claim 6 when executed by the processor.
10. A computer-readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of the connection control method according to one of claims 1 to 5 or the steps of the connection control method according to claim 6.
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| CN108029150A (en) * | 2016-05-10 | 2018-05-11 | 华为技术有限公司 | The method and apparatus of data transfer |
| CN110249707A (en) * | 2017-02-03 | 2019-09-17 | 华为技术有限公司 | A kind of method and apparatus of Connection Release |
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