CN110446230B - Method for adding interfaces between network side devices and network side device - Google Patents
Method for adding interfaces between network side devices and network side device Download PDFInfo
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- CN110446230B CN110446230B CN201810409061.1A CN201810409061A CN110446230B CN 110446230 B CN110446230 B CN 110446230B CN 201810409061 A CN201810409061 A CN 201810409061A CN 110446230 B CN110446230 B CN 110446230B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
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Abstract
The invention provides an interface adding method between network side equipment and network side equipment, and belongs to the technical field of wireless communication. The method for adding the interface between the network side equipment is applied to the network side equipment and comprises the following steps: and determining whether to establish an Xn interface with the target network side equipment according to the times of the UE context fetch request received by at least one network side equipment in a preset time period. The technical scheme of the invention can reduce communication time delay and improve communication quality.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a method for adding an interface between network side devices and a network side device.
Background
Current 3GPP (3rd Generation Partnership Project) RAN (Radio Access Network) 2 and RAN3 have determined that there are two options for a non-active UE (User Equipment) to configure the Access Network notification area (RNA): RNA identification, list of cells. The method using the RNA signature requires that all (at least one) base stations located in a certain area share the same RNA signature.
According to the current 38.300 protocol, when a UE moves outside the RNA region, the UE needs to do an RNA update operation and the serving base station needs to obtain UE context from the last anchor base station. When there is no Xn interface between the serving base station and the anchor base station, the UE context may need to transit from the core network to the current serving base station. This is likely to be time consuming compared to acquisition over an Xn interface. When The network is just deployed, OSS (The Office of static Services) may not have each base station provisioned with The IP of all neighboring base stations. And after the RNA area is generated, because UE is used as RNA update, the position between the base station used as UE context fetch and the last anchor base station is probably not adjacent, and the Xn interface can not be established through the automatic adjacent area discovery characteristic of LTE.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method for adding an interface between network side devices and a network side device, which can reduce communication delay and improve communication quality.
To solve the above technical problem, embodiments of the present invention provide the following technical solutions:
on one hand, the method for adding the interface between the network side equipment is provided, which is applied to the network side equipment and comprises the following steps:
and determining whether to establish an Xn interface with the target network side equipment according to the times of the UE context fetch request received by at least one network side equipment in a preset time period.
Further, still include:
and receiving signaling containing the UE context request sent by other network side equipment in the same RNA region, wherein the signaling containing the UE context request comprises a target RNA identification and/or the received times of the UE context fetch request from the target RNA region and a time stamp.
Further, the at least one network-side device is another network-side device in the same RNA region, and the method specifically includes:
and determining whether to establish an Xn interface with the network side equipment in the target RNA region according to the number of times of UE context fetch requests from the target RNA region received by other network side equipment in the same RNA region within a preset time period.
Further, the at least one network-side device is all network-side devices in the same RNA region, and the method specifically includes:
and determining whether to establish an Xn interface with the network side equipment in the target RNA region according to the times of UE context fetch requests from the target RNA region received by all network side equipment in the same RNA region within a preset time period.
Further, still include:
receiving a UE context fetch request issued by a core network element, wherein the UE context fetch request comprises the following information: target RNA identification, cell identification and network side equipment identification.
Further, the determining whether to establish an Xn interface with the network-side device in the target RNA region according to the number of times that all network-side devices in the same RNA region receive the UE context fetch request from the target RNA region within the preset time period includes:
calculating the number of times of the UE context fetch request from the target RNA region received in a preset time period according to the received number of times of the UE context fetch request issued by the core network element and the signaling containing the UE context request sent by other network side equipment;
and when the calculated times are greater than a preset threshold value, establishing an Xn interface with network side equipment in the target RNA region.
The embodiment of the invention also provides a network side device, which comprises a processor and a transceiver,
the processor is used for determining whether to establish an Xn interface with target network side equipment according to the times of the UE context fetch request received by at least one network side equipment in a preset time period.
Further, the transceiver is configured to receive a signaling containing a UE context request sent by other network-side devices in the same RNA region, where the signaling containing the UE context request includes a target RNA identity and/or a number of times of receiving a UE context fetch request from the target RNA region, and a timestamp.
Further, the at least one network side device is other network side devices in the same RNA region,
the processor is specifically configured to determine whether to establish an Xn interface with a network-side device in the target RNA region according to the number of times that other network-side devices in the same RNA region receive a UE context request from the target RNA region within a preset time period.
Further, the at least one network side device is all network side devices in the same RNA region,
the processor is specifically configured to determine whether to establish an Xn interface with a network-side device in a target RNA region according to the number of times that all network-side devices in the same RNA region receive a UE context request from the target RNA region within a preset time period.
Further, the transceiver is further configured to receive a UE context fetch request issued by a core network element, where the UE context fetch request includes the following information: target RNA identification, cell identification and network side equipment identification.
Further, the processor is specifically configured to calculate, according to the number of times of the received UE context fetch request issued by the core network element and a signaling containing the UE context request sent by the other network side device, the number of times of the received UE context fetch request from the target RNA region within a preset time period; and when the calculated times are greater than a preset threshold value, establishing an Xn interface with network side equipment in the target RNA region.
The embodiment of the invention also provides network side equipment, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor; when the processor executes the program, the interface adding method between the network side devices is realized.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the above-mentioned method for adding an interface between network-side devices.
The embodiment of the invention has the following beneficial effects:
in the above scheme, a network side device, such as an anchor base station, may determine whether to establish an Xn interface with a target network side device according to the number of times of a UE context request received by at least one network side device within a preset time period, so that when a current serving base station of a user terminal needs to obtain a UE context from the anchor base station, the Xn interface may be established between the anchor base station and the current serving base station, and the current serving base station does not need to obtain the UE context through core network transfer, so that the current serving base station of the user terminal may conveniently obtain the UE context, reduce communication delay, improve communication quality, and improve user experience.
Drawings
Fig. 1 is a schematic flow chart of a method for adding an interface between network-side devices according to an embodiment of the present invention;
fig. 2 is a block diagram of a network device according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
According to the current 38.300 protocol, when a UE moves outside the RNA region, the UE needs to do RNA update operation and the serving base station needs to obtain UE context from the last anchor base station. When there is no Xn interface between the serving base station and the anchor base station, the UE context may need to transit from the core network to the current serving base station. This is likely to be time consuming compared to acquisition over an Xn interface.
One possible solution is that the anchor base station determines whether it needs to establish an Xn interface with the base station of an RNA region by counting how many times UE context fetch is from the RNA region over a period of time. However, since the movement locus of the UE is random, although the source RNA region and the opposite RNA region are the same, the anchor base station and the serving base station may change in one region, so the anchor base station should have the capability of acquiring the number of times of UE context fetch from the target RNA region for a period of time from other base stations in the same RNA region, so as to decide whether to establish an Xn interface with the base stations in the target RNA region.
In view of the above, embodiments of the present invention provide a method for adding an interface between network-side devices and a network-side device, which can reduce communication delay and improve communication quality.
An embodiment of the present invention provides a method for adding an interface between network-side devices, which is applied to a network-side device, and as shown in fig. 1, the embodiment includes:
step 101: and determining whether to establish an Xn interface with the target network side equipment according to the times of the UE context fetch request received by at least one network side equipment in a preset time period.
In this embodiment, a network-side device, such as an anchor base station, may determine whether to establish an Xn interface with a target network-side device according to the number of times a UE context request is received by at least one network-side device within a preset time period, so that when a current serving base station of a user terminal needs to obtain a UE context from the anchor base station, the Xn interface may be established between the anchor base station and the current serving base station, and the current serving base station does not need to obtain the UE context through core network transfer, so that the current serving base station of the user terminal may conveniently obtain the UE context, reduce communication delay, improve communication quality, and improve user experience.
At least one network side device may be a network side device, that is, whether to establish an Xn interface with a target network side device is determined according to the number of times of UE context fetch requests from a single network side device.
Further, the method further comprises:
and receiving signaling containing the UE context request sent by other network side equipment in the same RNA region, wherein the signaling containing the UE context request comprises a target RNA identification and/or the received times of the UE context fetch request from the target RNA region and a time stamp.
In a specific embodiment, the at least one network-side device is another network-side device in the same RNA region, and the method specifically includes:
and determining whether to establish an Xn interface with the network side equipment in the target RNA region according to the number of times of UE context fetch requests from the target RNA region received by other network side equipment in the same RNA region within a preset time period.
In another specific embodiment, the at least one network-side device is all network-side devices in the same RNA region, and the method specifically includes:
and determining whether to establish an Xn interface with the network side equipment in the target RNA region according to the times of UE context fetch requests from the target RNA region received by all network side equipment in the same RNA region within a preset time period.
Further, the method further comprises:
receiving a UE context fetch request issued by a core network element, wherein the UE context fetch request comprises the following information: target RNA identification, cell identification and network side equipment identification.
Further, the determining whether to establish an Xn interface with the network-side device in the target RNA region according to the number of times that all network-side devices in the same RNA region receive UE context requests from the target RNA region within a preset time period includes:
calculating the number of times of the UE context fetch request from the target RNA region received in a preset time period according to the received number of times of the UE context fetch request issued by the core network element and the state updating signaling sent by other network side equipment;
and when the calculated times are greater than a preset threshold value, establishing an Xn interface with network side equipment in the target RNA region, wherein the preset threshold value can be set according to actual needs.
An embodiment of the present invention further provides a network-side device, as shown in fig. 2, including a processor 21 and a transceiver 22,
the processor 21 is configured to determine whether to establish an Xn interface with a target network-side device according to the number of times of a UE context fetch request received by at least one network-side device within a preset time period.
In this embodiment, the network-side device may be an anchor base station, and thus the anchor base station may determine whether to establish an Xn interface with the target network-side device according to the number of times of UE context requests received by at least one network-side device within a preset time period, so that when a current serving base station of the user terminal needs to acquire the UE context from the anchor base station, the Xn interface may be established between the anchor base station and the current serving base station, and the current serving base station does not need to acquire the UE context through core network transfer, so that the current serving base station of the user terminal may conveniently acquire the UE context, thereby reducing communication delay, improving communication quality, and improving user experience.
At least one network side device may be a network side device, that is, whether to establish an Xn interface with a target network side device is determined according to the number of times of UE context fetch requests from a single network side device.
Further, the transceiver 22 is further configured to receive signaling containing the UE context request sent by other network-side devices in the same RNA region, where the signaling containing the UE context request includes a target RNA identity and/or a number of times of receiving UE context fetch requests from the target RNA region and a timestamp.
In a specific embodiment, the at least one network-side device is another network-side device in the same RNA region,
the processor 21 is specifically configured to determine whether to establish an Xn interface with a network-side device in a target RNA region according to the number of times that other network-side devices in the same RNA region receive a UE context request from the target RNA region within a preset time period.
In another embodiment, the at least one network-side device is all network-side devices in the same RNA region,
the processor 21 is specifically configured to determine whether to establish an Xn interface with a network-side device in a target RNA region according to the number of times that all network-side devices in the same RNA region receive a UE context request from the target RNA region within a preset time period.
Further, the transceiver 22 is further configured to receive a UE context fetch request issued by a core network element, where the UE context fetch request includes the following information: target RNA identification, cell identification and network side equipment identification.
Further, the processor 21 is specifically configured to calculate, according to the number of times of the received UE context fetch request issued by the core network element and a signaling containing the UE context request sent by the other network side device, the number of times of the received UE context fetch request from the target RNA region within a preset time period; and when the calculated times are greater than a preset threshold value, establishing an Xn interface with network side equipment in the target RNA region.
The embodiment of the invention also provides network side equipment, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor; when the processor executes the program, the interface adding method between the network side devices is realized.
Specifically, the processor implements the following steps when executing the program:
and determining whether to establish an Xn interface with the target network side equipment according to the times of the UE context fetch requests received by at least one network side equipment in a preset time period.
Further, the processor executes the program to further implement the following steps:
and receiving signaling containing the UE context request sent by other network side equipment in the same RNA region, wherein the signaling containing the UE context request comprises a target RNA identification and/or the received times of the UE context fetch request from the target RNA region and a time stamp.
The at least one network side device is other network side devices in the same RNA region, and the processor implements the following steps when executing the program:
and determining whether to establish an Xn interface with the network side equipment in the target RNA region according to the number of times of UE context fetch requests from the target RNA region received by other network side equipment in the same RNA region within a preset time period.
The at least one network side device is all network side devices in the same RNA region, and the processor executes the program to specifically realize the following steps:
and determining whether to establish an Xn interface with the network side equipment in the target RNA region according to the times of UE context fetch requests from the target RNA region received by all network side equipment in the same RNA region within a preset time period.
Further, the processor executes the program to further implement the following steps:
receiving a UE context fetch request issued by a core network element, wherein the UE context fetch request comprises the following information: target RNA identification, cell identification and network side equipment identification.
Further, the processor when executing the program specifically implements the following steps:
calculating the number of times of the UE context fetch request from the target RNA region received in a preset time period according to the received number of times of the UE context fetch request issued by the core network element and the signaling containing the UE context request sent by other network side equipment;
and when the calculated times are greater than a preset threshold value, establishing an Xn interface with network side equipment in the target RNA region.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the above-mentioned method for adding an interface between network-side devices.
In particular, the program when executed by a processor implements the steps of:
and determining whether to establish an Xn interface with the target network side equipment according to the times of the UE context fetch requests received by at least one network side equipment in a preset time period.
Further, the program when executed by the processor further performs the steps of:
and receiving signaling containing the UE context request sent by other network side equipment in the same RNA region, wherein the signaling containing the UE context request comprises a target RNA identification and/or the received times of the UE context fetch request from the target RNA region and a time stamp.
The at least one network-side device is another network-side device in the same RNA region, and the program, when executed by the processor, specifically implements the steps of:
and determining whether to establish an Xn interface with the network side equipment in the target RNA region according to the number of times of UE context fetch requests from the target RNA region received by other network side equipment in the same RNA region within a preset time period.
The at least one network-side device is all network-side devices in the same RNA region, and the program, when executed by the processor, specifically implements the steps of:
and determining whether to establish an Xn interface with the network side equipment in the target RNA region according to the times of UE context fetch requests from the target RNA region received by all network side equipment in the same RNA region within a preset time period.
Further, the program when executed by the processor further performs the steps of:
receiving a UE context fetch request issued by a core network element, wherein the UE context fetch request comprises the following information: target RNA identification, cell identification and network side equipment identification.
Further, the program when executed by the processor embodies the steps of:
calculating the number of times of the UE context fetch request from the target RNA region received in a preset time period according to the received number of times of the UE context fetch request issued by the core network element and the signaling containing the UE context request sent by other network side equipment;
and when the calculated times are greater than a preset threshold value, establishing an Xn interface with network side equipment in the target RNA region.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (12)
1. A method for adding interfaces between network side devices is applied to the network side devices and comprises the following steps:
determining whether to establish an Xn interface with target network side equipment according to the times of a user terminal context fetch request received by at least one network side equipment in a preset time period;
and receiving signaling containing the UE context request sent by other network side equipment in the same RNA region, wherein the signaling containing the UE context request comprises a target RNA identification and/or the received times of the UE context fetch request from the target RNA region and a time stamp.
2. The method according to claim 1, wherein the at least one network-side device is another network-side device in the same RNA region, and the method specifically includes:
and determining whether to establish an Xn interface with the network side equipment in the target RNA region according to the number of times of UE context fetch requests from the target RNA region received by other network side equipment in the same RNA region within a preset time period.
3. The method according to claim 1, wherein the at least one network-side device is all network-side devices in the same RNA region, and the method specifically includes:
and determining whether to establish an Xn interface with the network side equipment in the target RNA region according to the times of UE context fetch requests from the target RNA region received by all network side equipment in the same RNA region within a preset time period.
4. The method for adding an interface between network-side devices according to claim 3, further comprising:
receiving a UE context fetch request issued by a core network element, wherein the UE context fetch request comprises the following information: target RNA identification, cell identification and network side equipment identification.
5. The method of claim 4, wherein the determining whether to establish the Xn interface with the network-side device in the target RNA region according to the number of times that all network-side devices in the same RNA region receive the UE context request from the target RNA region within a preset time period comprises:
calculating the number of times of the UE context fetch request from the target RNA region received in a preset time period according to the received number of times of the UE context fetch request issued by the core network element and the signaling containing the UE context request sent by other network side equipment;
and when the calculated times are greater than a preset threshold value, establishing an Xn interface with network side equipment in the target RNA region.
6. A network side device, comprising a processor and a transceiver,
the processor is used for determining whether to establish an Xn interface with target network side equipment according to the times of the UE context fetch request received by at least one network side equipment in a preset time period;
the transceiver is used for receiving a signaling containing a UE context request sent by other network side equipment in the same RNA region, wherein the signaling containing the UE context request comprises a target RNA identification and/or the received times of the UE context fetch request from the target RNA region and a timestamp.
7. The network-side device of claim 6, wherein the at least one network-side device is another network-side device in the same RNA region,
the processor is specifically configured to determine whether to establish an Xn interface with a network-side device in the target RNA region according to the number of times that other network-side devices in the same RNA region receive a UE context request from the target RNA region within a preset time period.
8. The network-side device of claim 6, wherein the at least one network-side device is all network-side devices within the same RNA region,
the processor is specifically configured to determine whether to establish an Xn interface with a network-side device in a target RNA region according to the number of times that all network-side devices in the same RNA region receive a UE context request from the target RNA region within a preset time period.
9. The network-side device of claim 8,
the transceiver is further configured to receive a UE context fetch request issued by a core network element, where the UE context fetch request includes the following information: target RNA identification, cell identification and network side equipment identification.
10. The network-side device of claim 9,
the processor is specifically configured to calculate, according to the number of times of the received UE context fetch request issued by the core network element and a signaling containing the UE context request sent by the other network side device, the number of times of the received UE context fetch request from the target RNA region within a preset time period; and when the calculated times are greater than a preset threshold value, establishing an Xn interface with network side equipment in the target RNA region.
11. A network-side device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor; wherein the processor implements the method for adding an interface between network-side devices according to any one of claims 1 to 5 when executing the program.
12. A computer-readable storage medium on which a computer program is stored, the program, when being executed by a processor, implementing the steps in the network-side inter-device interface adding method according to any one of claims 1 to 5.
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