CN115942295A - Method and device for acquiring terminal capability and network equipment - Google Patents
Method and device for acquiring terminal capability and network equipment Download PDFInfo
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Abstract
The embodiment of the invention provides a method, a device and network equipment for acquiring terminal capability, wherein the method comprises the following steps: acquiring first terminal capability information of a target terminal; merging the first terminal capacity information with the stored second terminal capacity information of the target terminal to obtain merged first target terminal capacity information; and sending the first target terminal capability information to an Evolved Packet Core (EPC). According to the scheme, the acquired terminal capability information and the stored terminal capability information are merged and then sent to the EPC, the terminal capability query results of the same system can be merged and updated, the transmission information amount is reduced, and the transmission delay can be reduced.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a method, an apparatus, and a network device for acquiring a terminal capability.
Background
Currently, a cellular wireless communication system relies on accurate and efficient coordination and interworking between a base station and a User Equipment (UE), wherein terminal capability is an important part of coordination between the base station and the UE. However, in a multi-mode scenario, in order to avoid wasting air interface resources of such information, a Mobility Management Entity (MME) may store the UE capability information when the UE is in an IDLE state, and transmit the UE capability to an Evolved Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (Evolved UMTS Terrestrial Radio Access Network, EUTRAN) through an INITIAL CONTEXT SETUP REQUEST on an S1 interface when needed.
And initially, the MME acquires or updates the UE capability by triggering a UE capability request procedure and storing relevant information again through an attach or Tracking Area Update (TAU) procedure. After the UE detach the detach, the related information is deleted. In an interworking scenario, for example, when a UE initially accesses a Long Term Evolution (LTE) network or switches from a New Radio (NR) independent network (SA), in a capability transfer process of the UE, because a current network supports more systems and an information amount is larger, a delay in a transmission process may be larger.
Disclosure of Invention
The embodiment of the invention provides a method, a device and network equipment for acquiring terminal capability, which aim to solve the problem that in the prior art, the transmission delay is large due to large information quantity in the terminal capability transmission process.
In a first aspect, an embodiment of the present invention provides a method for acquiring a terminal capability, which is applied to a network device, and the method includes:
acquiring first terminal capability information of a target terminal;
merging the first terminal capacity information and the stored second terminal capacity information of the target terminal to obtain merged first target terminal capacity information;
and sending the first target terminal capability information to an Evolved Packet Core (EPC).
Optionally, the merging processing is a processing manner of merging terminal capability information having the same format in the first terminal capability information and the second terminal capability information; or,
the merging processing is a merging processing mode of adding the first terminal capability information to the second terminal capability information.
Optionally, after the obtaining the first terminal capability information of the target terminal, the method further includes:
and updating the stored second terminal capability information according to the first terminal capability information.
Optionally, before the obtaining the first terminal capability information of the target terminal, the method further includes:
determining required terminal capacity information and determining the number of inquiry times N required by inquiring the required terminal capacity information, wherein N is a positive integer;
wherein, under the condition that N is 1, the first terminal capability information is required terminal capability information;
and under the condition that N is greater than 1, the first terminal capacity information is the terminal capacity information acquired by inquiring the terminal capacity information each time.
Optionally, the obtaining the first terminal capability information of the target terminal includes:
sending first terminal capability query information to the target terminal;
and receiving first terminal capability information fed back by the target terminal according to the first terminal capability query information.
Optionally, the sending the first terminal capability query information to the target terminal includes:
receiving network equipment switching requests sent by other network equipment, wherein the network equipment switching requests carry original code streams of second target terminal capability information of the target terminals;
matching the second target terminal capability information with preconfigured terminal capability information;
and if the matching fails, sending first terminal capability query information to the target terminal.
Optionally, the sending the first terminal capability query information to the target terminal includes:
and if the target terminal is a terminal initially accessed to the network equipment, sending first terminal capability query information to the target terminal.
Optionally, the first terminal capability query information includes: and inquiring the indication information and/or the carrier capability configuration information of the terminal capability.
Optionally, the indication information of the capability of the query terminal includes at least one of:
indicating information for inquiring the UTRA (universal mobile telecommunications system terrestrial radio access network) capability of the target terminal;
indicating and inquiring indication information of evolved universal mobile communication system terrestrial radio access network (EUTRA) capability of the target terminal;
indicating and inquiring indication information of the terrestrial wireless access EUTRA-new air interface NR capability of the evolved universal mobile telecommunications system of the target terminal;
indicating and inquiring indication information of the new air interface NR capability of the target terminal;
indicating and inquiring the indication information of the global system for mobile communication/enhanced data rate global system for mobile communication evolution technology radio access network GERAN-Circuit Switching (CS) capability of the target terminal;
and indicating the indication information for inquiring the global system for mobile communication/enhanced data rate global system for mobile communication evolution technology radio access network GERAN-packet switching PS capability of the target terminal.
In a second aspect, an embodiment of the present invention further provides a network device, including a memory, a transceiver, a processor:
a memory for storing a computer program; a transceiver for transceiving data under the control of the processor; a processor for reading the computer program in the memory and performing the following operations:
acquiring first terminal capability information of a target terminal;
merging the first terminal capacity information with the stored second terminal capacity information of the target terminal to obtain merged first target terminal capacity information;
and sending the first target terminal capability information to an Evolved Packet Core (EPC).
Optionally, the merging processing is a processing mode of merging terminal capability information having the same standard in the first terminal capability information and the second terminal capability information; or,
the merging processing is a merging processing mode of adding the first terminal capability information to the second terminal capability information.
Optionally, after the processor performs the step of acquiring the first terminal capability information of the target terminal, the processor is further configured to:
and updating the stored second terminal capability information according to the first terminal capability information.
Optionally, before the processor performs the step of acquiring the first terminal capability information of the target terminal, the processor is further configured to:
determining required terminal capacity information and determining the number of inquiry times N required by inquiring the required terminal capacity information, wherein N is a positive integer;
wherein, under the condition that N is 1, the first terminal capability information is required terminal capability information;
and under the condition that N is greater than 1, the first terminal capacity information is the terminal capacity information acquired by inquiring the terminal capacity information each time.
Optionally, when the processor executes the step of obtaining the first terminal capability information of the target terminal, the processor is specifically configured to:
sending first terminal capability query information to the target terminal;
and receiving first terminal capability information fed back by the target terminal according to the first terminal capability query information.
Optionally, when the processor executes the first terminal capability query message sent to the target terminal, the processor is specifically configured to:
receiving network equipment switching requests sent by other network equipment, wherein the network equipment switching requests carry original code streams of second target terminal capability information of the target terminals;
matching the second target terminal capability information with pre-configured terminal capability information;
and if the matching fails, sending first-time terminal capability query information to the target terminal.
Optionally, when the processor executes sending the first terminal capability query information to the target terminal, the processor is specifically configured to:
and if the target terminal is a terminal initially accessed to the network equipment, sending first terminal capability query information to the target terminal.
Optionally, the first terminal capability query information includes: and inquiring the indication information of the terminal capability and/or the carrier capability configuration information.
Optionally, the indication information of the capability of the query terminal includes at least one of:
indicating information for indicating and inquiring universal mobile telecommunications system terrestrial radio access network (UTRA) capability of the target terminal;
indicating and inquiring indication information of the evolved universal mobile communication system terrestrial radio access network (EUTRA) capability of the target terminal;
indicating and inquiring indication information of the terrestrial wireless access EUTRA-new air interface NR capability of the evolved universal mobile telecommunications system of the target terminal;
indicating and inquiring indication information of the new air interface NR capability of the target terminal;
the indication information of the global mobile communication system/enhanced data rate global mobile communication system evolution technology radio access network GERAN-Circuit Switching (CS) capability of the target terminal is inquired in an indication mode;
and indicating and inquiring the indication information of the global system for mobile communication/enhanced data rate global system for mobile communication evolution technology radio access network GERAN-Packet Switching (PS) capability of the target terminal.
In a third aspect, an embodiment of the present invention further provides an apparatus for acquiring a terminal capability, which is applied to a network device, and includes:
the acquisition module is used for acquiring first terminal capability information of a target terminal;
the processing module is used for merging the first terminal capability information and the stored second terminal capability information of the target terminal to obtain merged first target terminal capability information;
and the sending module is used for sending the first target terminal capability information to an Evolved Packet Core (EPC).
In a fourth aspect, an embodiment of the present invention further provides a processor-readable storage medium, where a computer program is stored, and the computer program is configured to enable a processor to execute the method for acquiring the terminal capability.
In the embodiment of the invention, the first terminal capability information of the target terminal is acquired, the first terminal capability information and the stored second terminal capability information of the target terminal are merged to obtain the merged first target terminal capability information, and the first target terminal capability information is sent to an Evolved Packet Core (EPC). The acquired terminal capability information and the stored terminal capability information are merged and then sent to the EPC, so that the terminal capability query results of the same system can be merged and updated, the transmission information amount is reduced, and the transmission delay can be reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced 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 these drawings without inventive labor.
Fig. 1 is a flowchart illustrating steps of a method for acquiring a terminal capability according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for acquiring a terminal capability of an initially accessed target terminal according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for acquiring a terminal capability of a target terminal for handover access according to an embodiment of the present invention;
fig. 4 is a block diagram of a terminal capability obtaining apparatus according to an embodiment of the present invention;
fig. 5 is a block diagram of a network device according to an embodiment of the present invention.
Detailed Description
The term "and/or" in the embodiments of the present invention describes an association relationship of associated objects, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
In the embodiments of the present application, the term "plurality" means two or more, and other terms are similar thereto.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Currently, in the prior art, by triggering a UE Capability request procedure in an attach or TAU procedure and storing relevant information again, the UE Capability (Capability) acquisition mainly involves two procedures: and the UE Capability request and the UE Capability report. When the base station needs the UE to report the UE Capability, the base station can issue a terminal Capability query UE Capability inquiry instruction to the UE. And after the UE receives the UE Capability Information instruction, reporting UE Capability Information by the UE according to the instruction. The base station then reports the UE Capability Information to the EPC.
Based on the current implementation, when a user initially accesses and switches to an LTE network, a base station sends a UE Capability inquiry message to a UE, and a terminal transfers UE Capability queried each time to an Evolved Packet Core (EPC) through the base station.
When a user switches and accesses, if a terminal switched in among stations in an LTE system supports NR but a switching request sent by a source base station to a target base station does not carry an NR capability code stream, UE capability query information is issued to acquire the NR capability of the terminal. Or the Evolved Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (EUTRAN) capability of the switched-in UE does not carry the NR capability, but the base station indicates that the UE supports the R13-R15 protocol, and may be that the source base station does not support the R15 protocol, and therefore does not carry a complete code stream, and therefore the destination base station needs to query the UE capability again, and organizes the capability query information of each terminal according to its own protocol version and transmits the capability query information to the opposite terminal (i.e., the terminal).
However, each UE may have different capabilities, such as:
UE Capability of carrier Combination (Band Combination) level: each Band Combination may have different capabilities, such as Band3+ Band41, which supports certain UE capabilities, while Band3+ Band78 may not.
UE Capability at carrier (Band) level: each Band may have different capabilities, and the terminal may support multiple bands, but the current base station configuration may only involve part of the bands, so when acquiring the UE capability, only the capabilities of the involved bands need to be acquired.
The prior art has the defects that in a multi-mode scene, the UE has more systems supported by the capability, the information quantity is larger, and the time delay is easy to be larger; moreover, in the UE capability transfer process, if the reconfiguration according to the current base station protocol version may have situations such as loss and incomplete terminal capability.
Therefore, the embodiment of the application provides a method, a device and a network device for acquiring the capability of a terminal, and the integrity of the capability information of the UE needs to be ensured, and the transmission delay is effectively reduced, so as to improve the user perception.
The method and the device are based on the same application concept, and because the principles of solving the problems of the method and the device are similar, the implementation of the device and the method can be mutually referred, and repeated parts are not repeated.
The network device according to the embodiment of the present application may be a base station, and the base station may include a plurality of cells for providing services to a terminal. A base station may also be referred to as an access point, or a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminals, or by other names, depending on the particular application. The network device may be configured to exchange received air frames with Internet Protocol (IP) packets as a router between the wireless terminal and the rest of the access network, which may include an Internet Protocol (IP) communication network. The network device may also coordinate attribute management for the air interface. For example, the network device according to the embodiment of the present application may be a Base Transceiver Station (BTS) in a Global System for Mobile communications (GSM) or a Code Division Multiple Access (CDMA), a network device (NodeB) in a Wideband Code Division Multiple Access (WCDMA), an evolved Node B (eNB) or an e-NodeB) in a Long Term Evolution (LTE) System, a 5G Base Station (gNB) in a 5G network architecture (next generation System), a Home evolved Node B (HeNB), a relay Node (relay Node), a Home Base Station (femto), a pico Base Station (pico), and the like, which are not limited in the embodiments of the present application. In some network architectures, a network device may include a Centralized Unit (CU) node and a Distributed Unit (DU) node, which may also be geographically separated.
Specifically, as shown in fig. 1, an embodiment of the present invention provides a method for acquiring a terminal capability, which may be applied to a network device, and the following specific implementation is described by taking application to a network device as an example: the method may specifically include:
Specifically, the network device obtains terminal capability information of the target terminal, that is, first terminal capability information, from the target terminal as needed, and stores the obtained first terminal capability information.
The network device may obtain the required terminal capability information once or multiple times as required, which is not limited herein.
It should be noted that the first terminal capability information is only the terminal capability information about the target terminal that is acquired by the network device as needed, and is not limited to the terminal capability information acquired for the first time, nor is the number of the acquired terminal capability information limited to one.
And 102, merging the first terminal capability information and the stored second terminal capability information of the target terminal to obtain merged first target terminal capability information.
Specifically, the network device merges the first terminal capability information with second terminal capability information about the target terminal stored in the network device according to the acquired first terminal capability information, so as to obtain the merged first target terminal capability information, and merges the acquired first terminal capability information with the stored second terminal capability information, so as to reduce transmission traffic and delay.
The second terminal capability information is only the terminal capability information about the target terminal stored by the network device, and is not limited to the terminal capability information acquired for the second time or stored for the second time, nor is the number of the acquired or stored terminal capability information limited.
Specifically, after the merged first target terminal capability information is obtained, the network device reports the merged first target terminal capability information to the EPC, and the network device reports the merged first target terminal capability information to the EPC, thereby avoiding the waste of transmission traffic due to repeated reporting of terminal capability information of the same system.
In the above embodiment of the present invention, by acquiring the first terminal capability information of the target terminal, the first terminal capability information is merged with the stored second terminal capability information of the target terminal to obtain the merged first target terminal capability information, and the first target terminal capability information is sent to the EPC. The acquired terminal capability information and the stored terminal capability information are merged and then sent to the EPC, so that the terminal capability query results of the same system can be merged and updated, the amount of transmitted information is reduced, and the transmission delay can be reduced.
As an optional embodiment, the merging process is a processing mode of merging terminal capability information having the same system in the first terminal capability information and the second terminal capability information; or,
the merging processing is a merging processing mode of adding the first terminal capability information to the second terminal capability information.
Specifically, the merging processing manner may include: the information of the terminal capacity of the same system as the first terminal capacity information in the second terminal capacity information is replaced by the first terminal capacity information, so that the situation that the transmission flow is increased due to repeated transmission of the terminal capacity information of the same system can be avoided, or when the second terminal capacity information has the terminal capacity information of the same system as the first terminal capacity information, the first terminal capacity information is removed and is not reserved; in other words, when there is duplicate terminal capability information between the acquired first terminal capability information and the stored second terminal capability information, the terminal capability information is retained only once, that is, for terminal capability information in the second terminal capability information having the same format as the first terminal capability information, the first terminal capability information may be the reference, or the terminal capability information in the second terminal capability information having the same format as the first terminal capability information may be the reference, which is not specifically limited herein.
Or, the merging processing mode may further include: and adding the first terminal capability information into the second terminal capability information for merging. The method specifically comprises the following steps: if the second terminal capability information does not have the terminal capability information with the same system as the first terminal capability information, the first terminal capability information and the second terminal capability information need to be added to obtain the first target terminal capability information.
As an optional embodiment, after the step 101 acquires the first terminal capability information of the target terminal, the method further includes:
and updating the stored second terminal capability information according to the first terminal capability information.
Specifically, after the network device acquires the first terminal capability information, if the second terminal capability information has terminal capability information of the same format as the first terminal capability information, the second terminal capability information may be updated by retaining only one of the terminal capability information of the format; or if the second terminal capacity information does not have the terminal capacity information with the same system as the first terminal capacity information, directly adding the first terminal capacity information into the second terminal capacity information to update the second terminal capacity information; or if the second terminal capability information has the terminal capability information with the same system as the first terminal capability information, the first terminal capability information is still added to the second terminal capability information to update the second terminal capability information.
For example, if the second terminal capability information includes third terminal capability information and fourth terminal capability information, where the third terminal capability information and the first terminal capability information are terminal capability information of the same system, replacing the third terminal capability information with the first terminal capability information, thereby obtaining updated second terminal capability information, where the updated second terminal capability information includes the first terminal capability information and the fourth terminal capability information; and if the third terminal capacity information and the fourth terminal capacity information in the second terminal capacity information are not the same type of terminal capacity information as the first terminal capacity information, storing the first terminal capacity information into the network equipment to obtain updated second terminal capacity information, wherein the updated second terminal capacity information comprises the first terminal capacity information, the third terminal capacity information and the fourth terminal capacity information.
As an optional embodiment, before the step 101 acquires the first terminal capability information of the target terminal, the method further includes:
determining required terminal capacity information and determining query times N required by querying the required terminal capacity information, wherein N is a positive integer;
wherein, under the condition that N is 1, the first terminal capability information is required terminal capability information;
and under the condition that N is greater than 1, the first terminal capacity information is the terminal capacity information acquired by inquiring the terminal capacity information each time.
Specifically, the network device determines the required terminal capability information about the target terminal according to its own needs, and determines the number of times of querying N required for querying the required terminal capability information, that is, determines that the required terminal capability information needs to be acquired through N queries.
In the case that N is 1, the network device obtains the required terminal capability information through the first terminal capability information, that is, obtains the terminal capability information required by the network device through one-time obtaining.
Under the condition that N is greater than 1, the network equipment needs to acquire the required terminal capability information for N times, namely the network equipment acquires the terminal capability information obtained by inquiring the terminal capability information for the 1 st time, stores the terminal capability information obtained by inquiring the terminal capability information for the 1 st time in the network equipment, and sends the terminal capability information to the EPC after being combined with the second terminal capability information; then the network equipment acquires the terminal capability information obtained by inquiring the terminal capability information for the 2 nd time, stores the terminal capability information obtained by inquiring the terminal capability information for the 2 nd time in the network equipment, and sends the terminal capability information to the EPC after merging with the second terminal capability information; and repeating the steps until the terminal capability information obtained by inquiring the terminal capability information for the Nth time is obtained, storing the terminal capability information obtained by inquiring the terminal capability information for the Nth time in the network equipment, combining the terminal capability information with the second terminal capability information and sending the combined terminal capability information to the EPC, so that the problems of long transmission delay, large transmission flow, easiness in losing the terminal capability information and the like caused by one-time inquiry and transmission of various terminal capability information can be avoided.
As an optional embodiment, the step 101 of acquiring the first terminal capability information of the target terminal specifically includes:
step A1, sending first terminal capability query information to the target terminal.
Specifically, the network device sends first terminal capability query information to the target terminal, so that the target terminal can query the corresponding terminal capability according to the first terminal capability query information.
And step A2, receiving first terminal capability information fed back by the target terminal according to the first terminal capability query information.
Specifically, after the network device sends the first terminal capability query information to the target terminal, the target terminal queries corresponding terminal capability information according to the first terminal capability query information, and reports the queried terminal capability information (i.e., the first terminal capability information) to the network device.
When N is greater than 1, the network device needs to acquire the required terminal capability information N times, that is, the network device sends first terminal capability query information, acquires corresponding first terminal capability information fed back by the target terminal, stores the first terminal capability information in the network device, and sends the first terminal capability information to the EPC after merging processing with the second terminal capability information; then the network equipment sends the second-time terminal capability query information, acquires the corresponding second-time first terminal capability information fed back by the target terminal, stores the second-time first terminal capability information in the network equipment, and sends the second-time first terminal capability information to the EPC after being combined with the second terminal capability information; by analogy, until the corresponding nth first terminal capability information fed back by the target terminal is obtained, the nth first terminal capability information is stored in the network equipment, and is sent to the EPC after being combined with the second terminal capability information, so that the problems of long transmission delay, large transmission flow, easiness in losing the terminal capability information and the like caused by one-time query and transmission of various terminal capability information can be solved.
For example: and under the condition that N is greater than 1, after the network equipment sends first terminal capacity query information for the first time to the target terminal, the network equipment detects whether first terminal capacity information for the first time corresponding to the first terminal capacity query information for the first time is received. If the network device does not receive the first terminal capability information for the first time, the network device may stop sending the first terminal capability query information, that is, no longer obtain the terminal capability information; if the network equipment receives the first terminal capacity information for the first time, the network equipment stores the first terminal capacity information for the first time, combines the first terminal capacity information for the first time with the second terminal capacity information, sends the combined first terminal capacity information and the second terminal capacity information to the EPC, continues to send first terminal capacity query information for the second time to the target terminal, detects whether the first terminal capacity information for the second time corresponding to the first terminal capacity query information for the second time is received, and so on until the first terminal capacity information for the Nth time is obtained, the network equipment does not send the first terminal capacity query information to the target terminal any more.
In the embodiment, the first terminal capability query information is sent in batches, and the first terminal capability information of the target terminal is acquired in batches, so that the data volume transmitted each time is small, the transmission requirement for acquiring the required terminal capability information at one time is less, and the transmission delay can be reduced. Moreover, the stored second terminal capability information is updated and stored after the first terminal capability information is acquired every time, the storage size is easy to meet, and the utilization rate of the memory can be improved.
As an optional embodiment, the first terminal capability query information includes: and inquiring the indication information of the terminal capability and/or the carrier capability configuration information.
Specifically, when the first terminal capability query information sent by the network device includes the indication information for querying the terminal capability, the indication information is used for indicating which terminal capabilities are queried by the target terminal, so that the increase of data processing, data and storage management requirements caused by the query of the terminal capabilities is avoided, and the increase of time delay is avoided. When the first terminal capability query information sent by the network device includes the carrier capability configuration information, the target terminal only needs to query the carrier capability related to or supported at this time, and does not need to query other carrier capabilities, thereby avoiding unnecessary carrier capability query.
As an optional embodiment, the information indicative of the capability of the querying terminal includes at least one of:
the first item: indicating and inquiring indication information of universal mobile telecommunications system (UMTS Terrestrial Radio Access, UTRA) capability of the target terminal;
the second term is: indicating and inquiring indication information of evolved universal mobile communication system terrestrial radio access network (EUTRA) capability of the target terminal;
the third item: indicating and inquiring indication information of the terrestrial wireless access EUTRA-new air interface NR capability of the evolved universal mobile telecommunications system of the target terminal;
the fourth item: indicating and inquiring indication information of the new air interface NR capability of the target terminal;
the fifth item: indicating information for querying Global System for Mobile communication (GSM)/Enhanced Data Rate for GSM Evolution (EDGE) radio access network GERAN-Circuit Switched (CS) capability of the target terminal;
the sixth item: and indicating and inquiring the indication information of the GERAN-Packet Switching (PS) capability of the GSM/EDGE radio access network of the target terminal.
Specifically, the indication information for querying the terminal capability in the N times of first terminal capability query information sent by the network device may indicate to query different terminal capabilities or query the same terminal capability.
As an optional embodiment, the step A1 of sending the first terminal capability query information to the target terminal specifically includes:
and if the target terminal is a terminal initially accessed to the network equipment, sending first terminal capability query information to the target terminal.
Specifically, if a target terminal sends a request for communication connection to a network device, and the network device responds to the request and establishes communication connection with the target terminal, the target terminal is a terminal initially accessing the network device, and after the communication connection is established, the network device sends first terminal capability query information to the target terminal, so as to obtain terminal capability information of the target terminal required by the network device.
As shown in fig. 2, the above embodiment is described in detail by taking the value of N as 3:
And 24, reporting the first target terminal capability information to an Evolved Packet Core (EPC).
As an optional embodiment, the step A1 of sending the first terminal capability query information to the target terminal specifically includes:
receiving network equipment switching requests sent by other network equipment, wherein the network equipment switching requests carry original code streams of second target terminal capability information of the target terminals;
matching the second target terminal capability information with preconfigured terminal capability information;
and if the matching fails, sending first terminal capability query information to the target terminal.
Specifically, if the network device receives a network device switching request sent by another network device, the network device matches the original code stream information of the second target terminal capability information carried in the network device switching request with the terminal capability information preconfigured by the network device, that is, it is determined whether the second target terminal capability information includes the terminal capability information of the target terminal required by the network device, that is, whether the second target terminal capability information includes all the preconfigured terminal capability information, and the original code stream information of the second target terminal capability information carried in the network device switching request can ensure the interaction of the terminal capability information and the effective transmission of the original code stream in each scene, avoid information loss, and ensure the integrity of information.
If the matching is successful, the second target terminal capability information contains the terminal capability information required by the network equipment, no operation is performed, and the second target terminal capability information does not need to be reported to the EPC. If the matching fails, the second target terminal capability information does not contain all terminal capability information required by the network equipment, and the network equipment needs to inquire the terminal capability of the target terminal, namely, the first terminal capability inquiry information is sent to the target terminal to inquire the terminal capability.
As shown in fig. 3, the above embodiment is described in detail by taking a network device as an a device and other network devices as B devices as examples:
and step 34, sending the first target terminal capability information to the evolved packet core network.
In summary, the embodiment of the present invention obtains the terminal capability information multiple times, so as to avoid a long transmission delay caused by a large amount of information obtained at one time, and combines the obtained first terminal capability information with the stored second terminal capability information and then sends the combined first terminal capability information and the stored second terminal capability information to the EPC, so that the terminal capability query results of the same system can be combined and updated, the amount of transmission information is reduced, and the transmission delay can be reduced. In addition, by inquiring the indication information of the terminal capability, the terminal capability can be flexibly and dynamically acquired or transmitted, the problem of time delay increase caused by the increase of data processing, data and storage management requirements brought by the inquiry of the spare terminal capability can be avoided, and the user perception is improved. And, only the related or supported carrier capability needs to be inquired through the carrier capability configuration information, and other carrier capabilities do not need to be inquired, so that unnecessary carrier capability inquiry is avoided. Moreover, for the target terminal switched to access, the original code stream information carrying the second target terminal capability information in the network equipment switching request can ensure the interaction of the terminal capability information and the effective transmission of the original code stream in each scene, avoid information loss and ensure the integrity of the information.
The method for acquiring the terminal capability according to the embodiment of the present invention is described above, and an apparatus for acquiring the terminal capability according to the embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 4, an apparatus 400 for acquiring a terminal capability according to an embodiment of the present invention is applied to a network device, and includes:
an obtaining module 401, configured to obtain first terminal capability information of a target terminal;
a processing module 402, configured to combine the first terminal capability information with the stored second terminal capability information of the target terminal, so as to obtain combined first target terminal capability information;
a sending module 403, configured to send the first target terminal capability information to an evolved packet core EPC.
Optionally, the merging processing is a processing mode of merging terminal capability information having the same standard in the first terminal capability information and the second terminal capability information; or,
the merging processing is a merging processing mode of adding the first terminal capability information to the second terminal capability information.
Optionally, the apparatus further comprises:
and the updating module is used for updating the stored second terminal capacity information according to the first terminal capacity information.
Optionally, the apparatus further comprises:
the determining module is used for determining the required terminal capability information and determining the number N of inquiry times required by inquiring the required terminal capability information, wherein N is a positive integer;
wherein, under the condition that N is 1, the first terminal capability information is required terminal capability information;
and under the condition that N is greater than 1, the first terminal capacity information is the terminal capacity information acquired by inquiring the terminal capacity information each time.
Optionally, the obtaining module 401 includes:
a first sending unit, configured to send first terminal capability query information to the target terminal;
and the first receiving unit is used for receiving the first terminal capability information fed back by the target terminal according to the first terminal capability query information.
Optionally, the first sending unit specifically includes:
receiving network equipment switching requests sent by other network equipment, wherein the network equipment switching requests carry an original code stream of second target terminal capability information of the target terminal;
matching the second target terminal capability information with preconfigured terminal capability information;
and if the matching fails, sending first-time terminal capability query information to the target terminal.
Optionally, the first sending unit specifically includes:
and if the target terminal is a terminal initially accessed to the network equipment, sending first terminal capability query information to the target terminal.
Optionally, the first terminal capability query information includes: and inquiring the indication information of the terminal capability and/or the carrier capability configuration information.
Optionally, the indication information of the capability of the query terminal includes at least one of:
indicating information for indicating and inquiring universal mobile telecommunications system terrestrial radio access network (UTRA) capability of the target terminal;
indicating and inquiring indication information of the evolved universal mobile communication system terrestrial radio access network (EUTRA) capability of the target terminal;
indicating and inquiring indication information of the terrestrial wireless access EUTRA-new air interface NR capability of the evolved universal mobile telecommunications system of the target terminal;
indicating and inquiring indication information of the new air interface NR capability of the target terminal;
the indication information of the global mobile communication system/enhanced data rate global mobile communication system evolution technology radio access network GERAN-Circuit Switching (CS) capability of the target terminal is inquired in an indication mode;
and indicating and inquiring the indication information of the global system for mobile communication/enhanced data rate global system for mobile communication evolution technology radio access network GERAN-Packet Switching (PS) capability of the target terminal.
It should be noted that the division of the unit in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation. In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented as a software functional unit and sold or used as a stand-alone product, may be stored in a processor readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
In summary, the embodiment of the present invention obtains the terminal capability information multiple times, so as to avoid a long transmission delay caused by a large amount of information obtained at one time, and combines the obtained first terminal capability information with the stored second terminal capability information and then sends the combined first terminal capability information and the stored second terminal capability information to the EPC, so that the terminal capability query results of the same system can be combined and updated, the amount of transmission information is reduced, and the transmission delay can be reduced. In addition, by inquiring the indication information of the terminal capability, the terminal capability can be flexibly and dynamically acquired or transmitted, the problem of time delay increase caused by the increase of data processing, data and storage management requirements brought by the inquiry of the spare terminal capability can be avoided, and the user perception is improved. And, only the related or supported carrier capability needs to be inquired through the carrier capability configuration information, and other carrier capabilities do not need to be inquired, so that unnecessary carrier capability inquiry is avoided. Moreover, for the target terminal switched to access, the original code stream information carrying the second target terminal capability information in the network equipment switching request can ensure the interaction of the terminal capability information and the effective transmission of the original code stream in each scene, avoid information loss and ensure the integrity of the information.
It should be noted that, the apparatus provided in the embodiment of the present invention can implement all the method steps implemented by the method embodiment and achieve the same technical effect, and detailed descriptions of the same parts and beneficial effects as the method embodiment in this embodiment are omitted here.
As shown in fig. 5, an embodiment of the present invention further provides a network device, which includes a memory 520, a transceiver 510, and a processor 500:
a memory 520 for storing a computer program;
a transceiver 510 for transceiving data under the control of the processor;
a processor 500 for reading the computer program in the memory and performing the following operations:
acquiring first terminal capability information of a target terminal;
merging the first terminal capacity information with the stored second terminal capacity information of the target terminal to obtain merged first target terminal capacity information;
and sending the first target terminal capability information to an Evolved Packet Core (EPC).
Optionally, the merging processing is a processing manner of merging terminal capability information having the same format in the first terminal capability information and the second terminal capability information; or,
the merging processing is a merging processing mode of adding the first terminal capability information to the second terminal capability information.
Optionally, after the processor 500 executes the step of acquiring the first terminal capability information of the target terminal, the processor is further configured to:
and updating the stored second terminal capability information according to the first terminal capability information.
Optionally, before the processor 500 performs the acquiring of the first terminal capability information of the target terminal, the processor is further configured to:
determining required terminal capacity information and determining query times N required by querying the required terminal capacity information, wherein N is a positive integer;
wherein, under the condition that N is 1, the first terminal capability information is required terminal capability information;
and under the condition that N is greater than 1, the first terminal capacity information is the terminal capacity information acquired by inquiring the terminal capacity information each time.
Optionally, when the processor 500 executes to acquire the first terminal capability information of the target terminal, the processor is specifically configured to:
sending first terminal capability query information to the target terminal;
and receiving first terminal capability information fed back by the target terminal according to the first terminal capability query information.
Optionally, when the processor 500 executes sending the first terminal capability query information to the target terminal, the processor is specifically configured to:
receiving network equipment switching requests sent by other network equipment, wherein the network equipment switching requests carry original code streams of second target terminal capability information of the target terminals;
matching the second target terminal capability information with preconfigured terminal capability information;
and if the matching fails, sending first-time terminal capability query information to the target terminal.
Optionally, when the processor 500 executes sending the first terminal capability query information to the target terminal, the processor is specifically configured to:
and if the target terminal is a terminal initially accessed to the network equipment, sending first terminal capability query information to the target terminal.
Optionally, the first terminal capability query information includes: and inquiring the indication information of the terminal capability and/or the carrier capability configuration information.
Optionally, the indication information of the capability of the query terminal includes at least one of:
indicating information for inquiring the UTRA (universal mobile telecommunications system terrestrial radio access network) capability of the target terminal;
indicating and inquiring indication information of evolved universal mobile communication system terrestrial radio access network (EUTRA) capability of the target terminal;
indicating and inquiring indication information of the terrestrial wireless access EUTRA-new air interface NR capability of the evolved universal mobile telecommunications system of the target terminal;
indicating and inquiring indication information of the new air interface NR capability of the target terminal;
indicating and inquiring the indication information of the global system for mobile communication/enhanced data rate global system for mobile communication evolution technology radio access network GERAN-Circuit Switching (CS) capability of the target terminal;
and indicating and inquiring the indication information of the global system for mobile communication/enhanced data rate global system for mobile communication evolution technology radio access network GERAN-Packet Switching (PS) capability of the target terminal.
Wherein in fig. 5, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 500, and various circuits, represented by memory 520, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 510 may be a number of elements including a transmitter and receiver that provide a means for communicating with various other apparatus over a transmission medium including wireless channels, wired channels, fiber optic cables, and the like. The processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 500 in performing operations.
The processor 500 may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or a Complex Programmable Logic Device (CPLD), and may also have a multi-core architecture.
The processor is used for executing the method for acquiring the capability of any terminal provided by the embodiment of the application according to the obtained executable instruction by calling the computer program stored in the memory. The processor and memory may also be physically separated.
It should be noted that, the network device provided in the embodiment of the present invention can implement all the method steps implemented by the method for acquiring a terminal capability, and can achieve the same technical effect, and details of the same parts and beneficial effects as those of the method embodiment in this embodiment are not described herein again.
An embodiment of the present invention further provides a processor-readable storage medium, which stores a computer program for causing the processor to execute the above-mentioned method for acquiring a terminal capability.
The processor-readable storage medium may be any available medium or data storage device that can be accessed by a processor, including, but not limited to, magnetic memory (e.g., floppy disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc.), optical memory (e.g., CDs, DVDs, BDs, HVDs, etc.), and semiconductor memory (e.g., ROMs, EPROMs, EEPROMs, non-volatile memories (NAND FLASH), solid State Disks (SSDs)), etc.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-executable instructions. These computer-executable instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the processor-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These processor-executable instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (20)
1. A method for acquiring terminal capability is applied to network equipment, and is characterized in that the method comprises the following steps:
acquiring first terminal capability information of a target terminal;
merging the first terminal capacity information with the stored second terminal capacity information of the target terminal to obtain merged first target terminal capacity information;
and sending the first target terminal capability information to an Evolved Packet Core (EPC).
2. The method according to claim 1, wherein the merging process is a process of merging terminal capability information having the same format in the first terminal capability information and the second terminal capability information; or,
the merging processing is a merging processing mode of adding the first terminal capability information to the second terminal capability information.
3. The method according to claim 1, wherein after the obtaining the first terminal capability information of the target terminal, the method further comprises:
and updating the stored second terminal capability information according to the first terminal capability information.
4. The method according to claim 1, wherein before the obtaining the first terminal capability information of the target terminal, the method further comprises:
determining required terminal capacity information and determining the number of inquiry times N required by inquiring the required terminal capacity information, wherein N is a positive integer;
wherein, under the condition that N is 1, the first terminal capability information is required terminal capability information;
and under the condition that N is greater than 1, the first terminal capacity information is the terminal capacity information acquired by inquiring the terminal capacity information each time.
5. The method of claim 1, wherein the obtaining first terminal capability information of the target terminal comprises:
sending first terminal capability query information to the target terminal;
and receiving first terminal capability information fed back by the target terminal according to the first terminal capability query information.
6. The method of claim 5, wherein the sending the first terminal capability query information to the target terminal comprises:
receiving network equipment switching requests sent by other network equipment, wherein the network equipment switching requests carry original code streams of second target terminal capability information of the target terminals;
matching the second target terminal capability information with pre-configured terminal capability information;
and if the matching fails, sending first terminal capability query information to the target terminal.
7. The method according to claim 5, wherein the sending the first terminal capability query information to the target terminal comprises:
and if the target terminal is a terminal initially accessed to the network equipment, sending first terminal capability query information to the target terminal.
8. The method according to claim 5, wherein the first terminal capability query information comprises: and inquiring the indication information of the terminal capability and/or the carrier capability configuration information.
9. The method of claim 8, wherein the information indicative of the capabilities of the querying terminal comprises at least one of:
indicating information for indicating and inquiring universal mobile telecommunications system terrestrial radio access network (UTRA) capability of the target terminal;
indicating and inquiring indication information of evolved universal mobile communication system terrestrial radio access network (EUTRA) capability of the target terminal;
indicating and inquiring indication information of evolved universal mobile communication system terrestrial radio access (EUTRA-new air interface (NR) capability of the target terminal;
indicating and inquiring indication information of the new air interface NR capability of the target terminal;
indicating and inquiring the indication information of the global system for mobile communication/enhanced data rate global system for mobile communication evolution technology radio access network GERAN-Circuit Switching (CS) capability of the target terminal;
and indicating the indication information for inquiring the global system for mobile communication/enhanced data rate global system for mobile communication evolution technology radio access network GERAN-packet switching PS capability of the target terminal.
10. A network device comprising a memory, a transceiver, a processor:
a memory for storing a computer program; a transceiver for transceiving data under the control of the processor; a processor for reading the computer program in the memory and performing the following:
acquiring first terminal capability information of a target terminal;
merging the first terminal capacity information with the stored second terminal capacity information of the target terminal to obtain merged first target terminal capacity information;
and sending the first target terminal capability information to an Evolved Packet Core (EPC).
11. The network device according to claim 10, wherein the merging process is a processing manner of merging terminal capability information having the same standard in the first terminal capability information and the second terminal capability information; or,
the merging processing is a merging processing mode of adding the first terminal capability information to the second terminal capability information.
12. The network device of claim 10, wherein after the processor performs the obtaining of the first terminal capability information of the target terminal, the processor is further configured to:
and updating the stored second terminal capability information according to the first terminal capability information.
13. The network device of claim 10, wherein before the processor performs the obtaining of the first terminal capability information of the target terminal, the processor is further configured to:
determining required terminal capacity information and determining the number of inquiry times N required by inquiring the required terminal capacity information, wherein N is a positive integer;
wherein, under the condition that N is 1, the first terminal capability information is required terminal capability information;
and under the condition that N is greater than 1, the first terminal capacity information is the terminal capacity information acquired by inquiring the terminal capacity information each time.
14. The network device according to claim 10, wherein the processor, when executing the obtaining of the first terminal capability information of the target terminal, is specifically configured to:
sending first terminal capability query information to the target terminal;
and receiving first terminal capability information fed back by the target terminal according to the first terminal capability query information.
15. The network device according to claim 14, wherein the processor, when executing sending the first terminal capability query message to the target terminal, is specifically configured to:
receiving network equipment switching requests sent by other network equipment, wherein the network equipment switching requests carry an original code stream of second target terminal capability information of the target terminal;
matching the second target terminal capability information with pre-configured terminal capability information;
and if the matching fails, sending first-time terminal capability query information to the target terminal.
16. The network device according to claim 14, wherein the processor, when executing sending the first terminal capability query message to the target terminal, is specifically configured to:
and if the target terminal is a terminal initially accessed to the network equipment, sending first terminal capability query information to the target terminal.
17. The network device of claim 14, wherein the first terminal capability query information comprises: and inquiring the indication information of the terminal capability and/or the carrier capability configuration information.
18. The network device of claim 17, wherein the information indicative of the capabilities of the querying terminal comprises at least one of:
indicating information for indicating and inquiring universal mobile telecommunications system terrestrial radio access network (UTRA) capability of the target terminal;
indicating and inquiring indication information of the evolved universal mobile communication system terrestrial radio access network (EUTRA) capability of the target terminal;
indicating and inquiring indication information of the terrestrial wireless access EUTRA-new air interface NR capability of the evolved universal mobile telecommunications system of the target terminal;
indicating and inquiring indication information of the new air interface NR capability of the target terminal;
indicating and inquiring the indication information of the global system for mobile communication/enhanced data rate global system for mobile communication evolution technology radio access network GERAN-Circuit Switching (CS) capability of the target terminal;
and indicating the indication information for inquiring the global system for mobile communication/enhanced data rate global system for mobile communication evolution technology radio access network GERAN-packet switching PS capability of the target terminal.
19. An apparatus for acquiring terminal capability, applied to a network device, includes:
the acquisition module is used for acquiring first terminal capability information of a target terminal;
the processing module is used for merging the first terminal capability information and the stored second terminal capability information of the target terminal to obtain merged first target terminal capability information;
and the sending module is used for sending the first target terminal capability information to an Evolved Packet Core (EPC).
20. A processor-readable storage medium, characterized in that the processor-readable storage medium stores a computer program for causing the processor to execute the method of acquiring terminal capability of any one of claims 1 to 9.
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