CN109743762B - Method and device for starting eSRVCC function - Google Patents
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Abstract
The application provides a method and a device for starting an eSRVCC function, relates to the technical field of wireless communication, and can analyze the necessity of starting the eSRVCC function in a cell according to interface signaling data of a mobile communication core network so as to save the cost of the function. The method comprises the following steps: acquiring user signaling record information, wherein the user signaling record information comprises a cell identifier, a user identifier, a network type and time; determining the minimum interval time after the user terminal falls back from the first network type cell to the second network type cell according to the user signaling record information; if the minimum interval time after the user terminal falls back to a second network type cell from a first network type cell is less than a first preset threshold value, adding 1 to the counting times of the second network type cell; and if the counting times of the second network type cell in a preset time period exceed a second preset threshold value, starting an eSRVCC function in the second network type cell.
Description
Technical Field
The present application relates to the field of wireless communications technologies, and in particular, to a method and an apparatus for turning on an eSRVCC function.
Background
High definition Call (Voice over LTE, VoLTE) is a final solution for a fourth generation communication technology (4th generation,4G) network Voice service, and in the 4G network construction period, a 4G network cannot achieve full coverage, and a weak coverage area or even an area without coverage is unavoidable. The user terminal can be switched from the 4G network to a third generation communication technology (3th generation,3G) network or a second generation communication technology (2th generation,2G) network. The eSRVCC function fee of the network is a large investment, how to accurately analyze the required cell and save the investment cost while ensuring the continuity of the call is a technical problem which is urgently needed to be solved at present.
Taking the example of switching to a 3G network, currently, some operators start the eSRVCC function for a 3G cell, and there are two main methods: one is to use the whole network opening mode without distinguishing different cells, and obviously, the investment cost is too high. The other method is to evaluate the 4G network coverage condition of the 3G cell coverage area according to the 4G Measurement Report (MR) data, to open the 3G cell with poor 4G network coverage, and not to open the 3G cell with good 4G network coverage, this method needs a lot of MR data, and part of the operator area does not collect data, so it is difficult to implement completely, and the coverage area of the 3G cell cannot be accurately defined (defined by longitude and latitude) by the weak coverage area of the MR data, so the accuracy is not high.
Disclosure of Invention
The application provides a method and a device for starting an eSRVCC function, which can accurately analyze the necessity of starting the eSRVCC function in a cell, and save investment cost while ensuring conversation continuity.
In order to achieve the purpose, the technical scheme is as follows:
in a first aspect, the present application provides a method for turning on an eSRVCC function, the method comprising:
acquiring user signaling record information, wherein the user signaling record information comprises a cell identifier, a user identifier, a network type and time; determining the minimum interval time after the user terminal falls back from a first network type cell to a second network type cell according to the user signaling record information, wherein the network type of the first network type is higher than that of the second network type; if the minimum interval time after the user terminal falls back to a second network type cell from a first network type cell is less than a first preset threshold value, adding 1 to the counting times of the second network type cell; and if the counting times of the second network type cell in a preset time period exceed a second preset threshold value, starting an eSRVCC function in the second network type cell.
In a second aspect, the present application provides an apparatus for turning on an eSRVCC function, the apparatus comprising:
an obtaining unit, configured to obtain user signaling record information, where the user signaling record information includes a cell identifier, a user identifier, a network type, and time; the analysis unit is used for determining the minimum interval time after the user terminal falls back from a first network type cell to a second network type cell according to the user signaling record information, wherein the network type of the first network type is higher than that of the second network type; a counting unit, configured to add 1 to the count number of the second network type cell if a minimum interval time after the ue falls back from the first network type cell to the second network type cell is smaller than a first preset threshold; and the starting unit is used for starting the eSRVCC function in the second network type cell if the counting times of the second network type cell in a preset time period exceed a second preset threshold value.
In a third aspect, the present application provides a computer-readable storage medium having instructions stored therein, where the instructions, when executed by a computer, cause the computer to perform the method for enabling the eSRVCC function according to any one of the first aspect and various alternative implementations thereof.
In a fourth aspect, the present application provides a computer program product containing instructions which, when run on a computer, cause the computer to perform the method of enabling eSRVCC functionality as described in the first aspect above and any one of its various alternative implementations.
In a fifth aspect, an apparatus for turning on an eSRVCC function is provided, including: the device comprises a processor, a memory and a communication interface, wherein the communication interface is used for the test device to communicate with other equipment or networks, the memory is used for storing programs, and the processor calls the programs stored in the memory to execute the method for starting the eSRVCC function in the first aspect.
The invention provides a method and a device for analyzing the necessity of a cell eSRVCC function, which are used for judging the necessity of the eSRVCC function starting in a cell of a second network type by analyzing the number of times that a user falls back from a first network type to the cell of the second network type due to non-CSFB on the basis of interface signaling data of a mobile communication core network, and starting the eSRVCC function if the number of times that the user falls back from the first network type to the cell of the second network type reaches a preset threshold, otherwise, the function is not required to be started.
Drawings
Fig. 1 is a schematic application scenario diagram of a method and an apparatus for turning on an eSRVCC function according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a method for turning on an eSRVCC function according to an embodiment of the present application;
fig. 3 is a first schematic structural diagram of an apparatus for turning on an eSRVCC function according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a device for turning on an eSRVCC function according to an embodiment of the present application.
Detailed Description
The method and the apparatus for turning on the eSRVCC function provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.
The terms "first" and "second" and the like in the description and drawings of the present application are used for distinguishing different objects or for distinguishing different processes for the same object, and are not used for describing a specific order of the objects.
Furthermore, the terms "including" and "having," and any variations thereof, as referred to in the description of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that in the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
In the description of the present application, the meaning of "a plurality" means two or more unless otherwise specified.
Circuit Switched Fallback (CSFB) is a technology that allows a User Equipment (UE) in an Evolved Packet System (EPS) network to provide a voice service by using an infrastructure of a CS domain by falling back to the CS domain.
Enhanced Single Radio Voice Call Continuity (eSRVCC) is used to implement seamless handover between a VoLTE Call and an existing 2G or 3G network, so that a user terminal is handed over from a Long Term Evolution (LTE) network to the 2G or 3G network to ensure the continuation of the Voice Call.
Currently, esrvccs generally occur when the network coverage is weak or the interference is serious, while CSFB occurs everywhere within the LTE network coverage, and the application is mainly used for researching the situation that a user falls back due to non-CSFB, and takes weak coverage as an example for illustration. Referring to fig. 1, serial numbers 1, 2, and 3 are respectively different first network type cells, and serial number 4 is a second network type cell, where the network type of the first network type is higher than the second network type, and according to the network residence policy, the ue preferentially resides in a network type with a higher system, and when the signal coverage of the first network type cell is poor, the ue will fall back from the first network type cell to the second network type cell. For example, if a 4G network is already established, the ue is allowed to preferentially stay in the 4G network, and if the ue drops back to the 3G network in the 4G network due to non-CSFB factors, the coverage of the 4G network is not good. The more the number of times of user terminals falling back to the 3G cell, the more the number of times of switching requirement of the 4G cell eSRVCC to the 3G cell, the stronger the necessity of turning on the eSRVCC by the 3G cell 1.
The method for starting the eSRVCC function provided by the embodiment of the application obtains the minimum interval time of network type fallback by analyzing the user signaling record information, further counts the fallback times of a target area in a preset time period, and starts the eSRVCC function in the target area when the fallback times exceed a preset threshold value. The aim of saving investment cost is achieved by starting the necessity analysis of eSRVCC functions.
An embodiment of the present application provides a method for starting an eSRVCC function, as shown in fig. 2, the method may include S101-S104:
s101, obtaining user signaling record information.
The method includes the steps that user signaling record information is obtained through a signaling monitoring platform deployed by an operator, specifically, the user signaling record information of at least two interfaces is obtained through the signaling monitoring platform, and the at least two interfaces include an S1-MME interface and one of an Iu-CS interface and an A interface. The difference is that the information capacity of the SGs interface is smaller than that of the S1-MME interface, and when the requirement on the data sample size is lower, the SGs interface can completely replace the S1-MME interface. The Iu-CS interface is used for acquiring the user signaling record information with the network type of 3G, and the A interface is used for acquiring the user signaling record information with the network type of 2G.
In general, the network type may fall back from 4G to 3G or from 4G to 2G, and when the research content is 4G fall back 3G, the user signaling record information of the S1-MME interface and Iu-CS interface is obtained, and when the research content is 4G fall back 2G, the user signaling record information of the S1-MME interface and a interface is obtained, and the user signaling record information includes a cell identifier (e.g., a cell Number), a user identifier (e.g., an International Mobile Subscriber identity Number (IMSI Number)), a network type, and time. Refer to tables 1-2, where table 1 is the S1-MME interface record and table 2 is the Iu-CS interface record.
TABLE 1
| Time of day | IMSI | Cell | Network type |
| 2018-10-09 11:02:07:519 | 46001*****25333 | 46001603D101 | 4G |
| 2018-10-09 11:03:10:332 | 46001*****25333 | 46001603D101 | 4G |
| 2018-10-09 11:03:24:298 | 46001*****25333 | 46001603D101 | 4G |
| 2018-10-09 11:05:05:528 | 46001*****25333 | 46001603D101 | 4G |
| 2018-10-09 11:05:20:973 | 46001*****25333 | 46001603D101 | 4G |
| 2018-10-09 11:05:21:463 | 46001*****25333 | 4600166B1C03 | 4G |
| 2018-10-09 11:06:47:365 | 46001*****25333 | 4600166AA603 | 4G |
| 2018-10-09 11:08:58:172 | 46001*****25333 | 4600166B7F02 | 4G |
| 2018-10-09 11:09:13:718 | 46001*****25333 | 4600166B7F02 | 4G |
| 2018-10-09 11:09:14:280 | 46001*****25333 | 46001603D101 | 4G |
| 2018-10-09 11:14:18:631 | 46001*****25333 | 46001603D101 | 4G |
| 2018-10-09 11:14:34:949 | 46001*****25333 | 4600166EE201 | 4G |
| 2018-10-09 11:14:35:409 | 46001*****25333 | 4600166CB001 | 4G |
| 2018-10-09 11:14:59:506 | 46001*****25333 | 4600166C8801 | 4G |
| 2018-10-09 11:18:39:672 | 46001*****25333 | 4600166EF703 | 4G |
TABLE 2
And S102, determining the minimum interval time after the user terminal falls back from the first network type cell to the second network type cell according to the user signaling record information.
After the user signaling record information is obtained through step S101, the minimum interval time after the user terminal falls back from the first network type cell to the second network type cell is determined according to the user signaling record information. Specifically, the user signaling record information includes the time when the user terminal is in different network types, for example, when the network type of the user terminal is 4G in 2018, No. 10, No. 9 am 11:02:10, the network type of the user signaling record information is 4G, and the corresponding time is 2018, No. 10, No. 9 am 11:02: 10. The method comprises the steps of obtaining a first network type and corresponding time of a user terminal in adjacent time and a second network type and corresponding time, and then calculating minimum interval time after the first network type falls back to the second network type. For example, the first network type is 4G, the second network type is 3G, the S1-MME interface records that the time when the user terminal network type is 4G is 2018, No. 10 am, No. 11:02:10, the Iu-CS interface records that the time when the user terminal network type is 3G includes 2018, No. 10 am, No. 11:02:30, and 2018, No. 10 am, No. 9 am, No. 11:04:20, so the minimum interval time when the user terminal falls back from the first network type cell to the second network type cell is 20 seconds. And (3) analyzing one by one to obtain a table 3 by combining tables 1-2, referring to table 3, wherein table 3 is a comparison table for obtaining the current record and the time, the cell and the network type of the previous record according to the user and the time after combining tables 1 and 2, and the fallback situation of the user terminal between the 4G network and the 3G network can be obtained according to the table. In this embodiment, the case that the first network type is a 4G network and the second network type is a 3G network is mainly concerned, that is, the case that the previous network type is a 4G network and the current network type is a 3G network.
TABLE 3
And S103, if the minimum interval time of the user terminal falling back from the first network type cell to the second network type cell is less than a first preset threshold value, adding 1 to the counting number of the second network type cell.
The minimum interval time of the user terminal falling back from the first network type cell to the second network type cell is obtained through step S102, and if the minimum interval time of the user terminal falling back from the first network type cell to the second network type cell is less than a first preset threshold, the counted number of times of the second network type cell is increased by 1. The first preset threshold may be adjusted according to an actual situation, and the smaller the first preset threshold is, the more accurate the final result is, in this embodiment, the first preset threshold is 1 minute, that is, when the time for the user terminal to fall back from the first network type cell to the second network type cell is less than 1 minute, the non-CSFB fall back of the second network type cell is recorded for 1 time, and the count number is increased by 1.
And S104, if the counting times of the second network type cell in a preset time period exceed a second preset threshold value, starting an eSRVCC function in the second network type cell.
The number of non-CSFB fallback times of the second network type cell is obtained through the step S103, and the greater the number of times of counting, the greater the probability that the peripheral 4G cell eSRVCC is switched to the second network type cell, that is, the 3G cell is, the greater the number of times of counting can be defined as the necessity index for turning on the eSRVCC function. And if the counting times of the second network type cell in the preset time period exceed a second preset threshold value, starting the eSRVCC function. In practical applications, the eSRVCC function is turned on when the necessity index reaches a certain value, which may be determined according to practical situations, for example, when the predetermined necessity index is 800 and the predetermined time period is one week, the eSRVCC function is turned on when the second network type cell falls back more than 800 times in one week. Referring to table 4, a statistical table of eSRVCC functional necessity indexes of cells within a week of a certain city is shown. The necessity indices of cell 460014227558881, cell 460014226231913, cell 460014225811327, and cell 460014224822431 are all above 800 in the table, so all four cells can turn on the eSRVCC function.
TABLE 4
| Cell | Index of necessity |
| 460014227558881 | 974147 |
| 460014226231913 | 554546 |
| 460014225811327 | 10629 |
| 460014224822431 | 3497 |
| 460014224306672 | 259 |
| 460014227729946 | 119 |
| 460014226924965 | 93 |
| 460014257713094 | 23 |
The invention provides a method and a device for analyzing the necessity of a cell eSRVCC function, which are used for judging the necessity of the eSRVCC function starting in a cell of a second network type by analyzing the number of times that a user falls back from a first network to the cell of the second network type due to non-CSFB on the basis of interface signaling data of a mobile communication core network, and starting the eSRVCC function if the number of times that the user falls back from the first network to the cell of the second network type reaches a preset threshold, otherwise, the function is not required to be started.
Fig. 3 shows a schematic diagram of a possible structure of the eSRVCC function switching device according to the above embodiment. The device 200 includes an obtaining unit 201, an analyzing unit 202, a counting unit 203, and a starting unit 204, specifically:
an obtaining unit 201, configured to obtain user signaling record information, where the user signaling record information includes a cell identifier, a user identifier, a network type, and a time.
An analyzing unit 202, configured to determine, according to the user signaling record information, a minimum interval time for the user equipment to fall back from the first network type cell to the second network type cell.
A counting unit 203, configured to add 1 to the counted number of times of the second network type cell if the minimum interval time for the ue to fall back from the first network type cell to the second network type cell is less than a first preset threshold.
A starting unit 204, configured to start an eSRVCC function in the second network type cell if the counted number of times of the second network type cell in a preset time period exceeds a second preset threshold.
Optionally, the obtaining unit 201 is specifically configured to:
user signaling record information of at least two interfaces is obtained through a signaling monitoring platform, wherein the at least two interfaces comprise an S1-MME interface and one of an Iu-CS interface and an A interface.
Optionally, the analysis unit 202 is specifically configured to:
acquiring a first network type and corresponding time of a user terminal, and a second network type and corresponding time;
calculating a minimum separation time for the user terminal to fall back from a first network type cell to a second network type cell.
Fig. 4 shows a schematic diagram of another possible structure of the eSRVCC function-switching apparatus according to the foregoing embodiment. The apparatus 300 comprises: a processor 302 and a communication interface 303. The processor 302 is configured to control and manage the operations of the apparatus 300, for example, to perform the steps performed by the analysis unit 202, the counting unit 203, the enabling unit 204, and/or other processes for performing the techniques described herein. The communication interface 303 is used to support communication between the apparatus 300 and other network entities, for example, to perform the steps performed by the acquiring unit 201. The apparatus 300 may further comprise a memory 301 and a bus 304, the memory 301 being arranged to store program codes and data of the apparatus 300.
Wherein the memory 301 may be a memory in the apparatus 300, which may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk; the memory may also comprise a combination of memories of the kind described above.
The processor 302 may be implemented or performed with various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor may be a central processing unit, general purpose processor, digital signal processor, application specific integrated circuit, field programmable gate array or other programmable logic device, transistor logic device, hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, DSPs, and microprocessors, among others.
The bus 304 may be an Extended Industry Standard Architecture (EISA) bus or the like. The bus 304 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 4, but this does not indicate only one bus or one type of bus.
Through the above description of the embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
The present application provides a computer program product containing instructions, which when run on a computer, causes the computer to execute the method for turning on the eSRVCC function described in the above method embodiments.
An embodiment of the present application further provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the network device executes the instructions, the network device executes each step executed by the network device in the method flow shown in the foregoing method embodiment.
The computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read-Only Memory (ROM), an Erasable Programmable Read-Only Memory (EPROM), a register, a hard disk, an optical fiber, a portable Compact Disc Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, any suitable combination of the above, or any other form of computer readable storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuit (ASIC). In embodiments of the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. A method of enabling eSRVCC functionality, comprising:
acquiring user signaling record information, wherein the user signaling record information comprises a cell identifier, a user identifier, a network type and time;
determining the minimum interval time after the user terminal falls back from a first network type cell to a second network type cell according to the user signaling record information, wherein the network type of the first network type is higher than that of the second network type;
if the minimum interval time after the user terminal falls back to a second network type cell from a first network type cell is less than a first preset threshold value, adding 1 to the counting times of the second network type cell;
if the counting times of the second network type cell in a preset time period exceed a second preset threshold value, starting an eSRVCC function in the second network type cell;
the time represents the time the user terminal is in different network types.
2. The method for starting the eSRVCC function according to claim 1, wherein the obtaining the user signaling record information comprises:
user signaling record information of at least two interfaces is obtained through a signaling monitoring platform, wherein the at least two interfaces comprise an S1-MME interface and one of an Iu-CS interface and an A interface.
3. The method for enabling the eSRVCC function according to any of claims 1-2, wherein the determining the minimum time interval after the user terminal falls back from the first network type cell to the second network type cell according to the user signaling record information comprises:
acquiring a first network type and corresponding time of a user terminal, and a second network type and corresponding time;
and calculating the minimum interval time after the user terminal falls back from the first network type cell to the second network type cell.
4. An apparatus for enabling eSRVCC functionality, comprising:
an obtaining unit, configured to obtain user signaling record information, where the user signaling record information includes a cell identifier, a user identifier, a network type, and time;
the analysis unit is used for determining the minimum interval time after the user terminal falls back from a first network type cell to a second network type cell according to the user signaling record information, wherein the network type of the first network type is higher than that of the second network type;
a counting unit, configured to add 1 to the count number of the second network type cell if a minimum interval time after the ue falls back from the first network type cell to the second network type cell is smaller than a first preset threshold;
a starting unit, configured to start an eSRVCC function in the second network type cell if the counted number of times of the second network type cell exceeds a second preset threshold within a preset time period;
the time represents the time the user terminal is in different network types.
5. The apparatus for enabling an eSRVCC function according to claim 4, wherein the obtaining unit is specifically configured to:
user signaling record information of at least two interfaces is obtained through a signaling monitoring platform, wherein the at least two interfaces comprise an S1-MME interface and one of an Iu-CS interface and an A interface.
6. An apparatus for enabling eSRVCC functionality according to any of claims 4-5, wherein the analysis unit is specifically configured to:
acquiring a first network type and corresponding time of a user terminal, and a second network type and corresponding time;
and calculating the minimum interval time after the user terminal falls back from the first network type cell to the second network type cell.
7. An apparatus to turn on eSRVCC functionality, the apparatus comprising: a processor, a memory, and a communication interface for the apparatus to communicate with other devices or networks, the memory to store a program, the processor to invoke the program stored by the memory to perform the method of turning on an eSRVCC function of any of claims 1-3.
8. A computer-readable storage medium having instructions stored therein, which when executed by a computer, perform the method of turning on eSRVCC functionality of any of claims 1-3.
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| US9253704B1 (en) * | 2014-09-25 | 2016-02-02 | Telefonaktiebolaget L M Ericsson (Publ) | Intelligence in handover assessment for LTE/VoLTE calls to improve retainability |
| CN108632803A (en) * | 2017-02-06 | 2018-10-09 | 中兴通讯股份有限公司 | A kind of switching method and apparatus of the continuous business of single channel |
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