CN112566096A - Method, device and equipment for acquiring LTE user position change information - Google Patents
Method, device and equipment for acquiring LTE user position change information Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The application relates to a method, a device and equipment for acquiring LTE (Long term evolution) user position change information, wherein the method for acquiring the LTE user position change information comprises the following steps: receiving the inflow data of an S1-MME interface in the form of an SDTP code stream; processing the received inflow data to obtain the termination position data of each user; caching the termination position data of each user according to a time sequence, putting the cached termination position data of each user into a hash table according to the time sequence, and arranging a plurality of user groups; detecting whether position information of users in a plurality of user groups changes or not; if the position information of the user changes, writing the changed position data of the user into a preset file; the location data includes start location data and end location data. Therefore, the processing time is shortened while the position change condition of the user can be obtained in a large batch, the obtaining efficiency is ensured, and convenience is provided for better serving the back-end application.
Description
Technical Field
The application relates to the technical field of mobile communication, in particular to a method, a device and equipment for acquiring LTE (long term evolution) user position change information.
Background
At present, the location information of a conventional LTE (Long Term Evolution ) user is obtained by querying the location information in LTE S1-MME signaling data, but the following problems generally exist in this query method: firstly, the number of records of XDR (External Data Representation) of an S1-MME interface is too large, and the position change condition of a user is difficult to acquire in large batch; secondly, the XDR data magnitude of the S1-MME interface is too large, direct query and filtering are carried out, and the efficiency is low; and if an external interface exists, only full data can be provided, response time efficiency is low, and overhead is high. This results in a long and inefficient time consuming process for obtaining the location change information of the LET user.
Disclosure of Invention
In view of this, the present application aims to overcome the defects in the prior art, and provides a method, an apparatus and a device for acquiring LTE user location change information.
In order to achieve the purpose, the following technical scheme is adopted in the application:
a first aspect of the present application provides a method for acquiring LTE user location change information, including:
receiving the inflow data of an S1-MME interface in the form of an SDTP code stream;
processing the received inflow data to obtain the termination position data of each user;
caching the termination position data of each user according to a time sequence, putting the cached termination position data of each user into a hash table according to the time sequence, and arranging a plurality of user groups; detecting whether position information of users in a plurality of user groups changes or not;
if the position information of the user changes, writing the changed position data of the user into a preset file; the location data includes a start location data and the end location data.
Optionally, the method further includes:
and if the position information of the user does not change within the first preset time, writing the position data corresponding to the user into a preset file.
Optionally, the method further includes:
if the termination position data of a first user in a plurality of user groups are not acquired within a second preset time, writing the position data of the first user into a preset file, and emptying the user information of the first user in the hash table; the ending location data of the first user is the starting location data of the first user.
Optionally, after writing the changed location data of the user into the preset file, the method further includes:
and updating the initial position data of the user which changes this time in the hash table into the end position data.
Optionally, the processing the received inflow data includes:
and carrying out lightweight processing on the received inflow data.
Optionally, the performing light-weighting processing on the received inflow data includes:
performing field reduction on the inflow data;
and/or filtering the content of the inflow data.
Optionally, the field reduction on the incoming data includes:
unnecessary fields in the incoming data are removed and necessary fields are reserved.
Optionally, the filtering the content of the incoming data includes:
detecting whether a field with missing content exists in the inflow data, and if so, rejecting the field with missing content;
and/or detecting whether unnecessary information exists in a necessary field of the inflow data, and if so, rejecting the unnecessary information in the necessary field.
A second aspect of the present application provides an apparatus for acquiring LTE user location change information, including:
the receiving module is used for receiving the inflow data of the S1-MME interface in the form of SDTP code stream;
the processing module is used for processing the received inflow data to obtain the termination position data of each user;
the detection module is used for caching the termination position data of each user according to a time sequence, and putting the cached termination position data of each user into a hash table according to the time sequence to perform user group arrangement; detecting whether position information of users in a plurality of user groups changes or not;
the writing module is used for writing the changed position data of the user into a preset file if the position information of the user changes; the location data includes a start location data and the end location data.
A third aspect of the present application provides an apparatus for acquiring LTE user location change information, including:
a processor, and a memory coupled to the processor;
the memory is used for storing a computer program;
the processor is configured to invoke and execute the computer program in the memory to perform the method according to the first aspect of the application.
The technical scheme provided by the application can comprise the following beneficial effects:
in the scheme of the application, the inflow data of the S1-MME interface is received in the form of the SDTP code stream, so that the timeliness of receiving the inflow data is guaranteed; the received inflow data is processed to obtain the termination position data of each user, so that the termination position data of each user is clearer, invalid data are eliminated, and the storage and calling of subsequent data are facilitated, so that the upper-layer application and external sharing are better served; after the termination position data of each user is obtained, the hash table is used for processing and calculating the position data of each user, whether the position information of the user changes or not can be obtained more clearly and directly, and then the position data of the user with the changed position information is written into a preset file, so that the position change information of the LTE user is obtained. Therefore, the processing time is shortened while the position change condition of the user can be obtained in a large batch, the obtaining efficiency is ensured, and convenience is provided for better serving the back-end application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for acquiring LTE user location change information according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an apparatus for acquiring LTE user location change information according to another embodiment of the present application.
Fig. 3 is a diagram of an apparatus for acquiring LTE user location change information according to another embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a flowchart of a method for acquiring LTE user location change information according to an embodiment of the present application. An embodiment of the present application provides a method for acquiring LTE user location change information, and as shown in the figure, the method may specifically include the following steps:
and step 11, receiving the inflow Data of the S1-MME interface in the form of SDTP (secure Data Transfer Protocol) code stream.
During implementation, the data is transmitted in a streaming mode, namely, the inflow data of the S1-MME interface is received in the form of an SDTP code stream, so that the data can be continuously received, and the timeliness of the received data is improved.
And step 12, processing the received inflow data to obtain the termination position data of each user.
Among them, a Hash table (also called a Hash table) is a data structure that is directly accessed from a Key value (Key value). That is, it accesses the record by mapping the key value to a location in the table to speed up the lookup. This mapping function is called a hash function and the array in which the records are stored is called a hash table. When the method is implemented, a fast position access mechanism of the hash table can be used for recording user data, namely different users are mapped to different positions, whether the users have position change or not is judged according to fast position key information iteration, information meeting requirements is landed, and the information is written into a preset file.
The initial position data is position data before the position information of the user changes; the termination position data is position data after the position information of the user is changed.
In the scheme of the embodiment, the incoming data of the S1-MME interface is received in the form of the SDTP code stream, so that the timeliness of receiving the incoming data is ensured; the received inflow data is processed to obtain the termination position data of each user, so that the termination position data of each user is clearer, invalid data are eliminated, and the storage and calling of subsequent data are facilitated, so that the upper-layer application and external sharing are better served; after the termination position data of each user is obtained, the hash table is used for processing and calculating the position data of each user, whether the position information of the user changes or not can be obtained more clearly and directly, and then the position data of the user with the changed position information is written into a preset file, so that the position change information of the LTE user is obtained. Therefore, the processing time is shortened while the position change condition of the user can be obtained in a large batch, the obtaining efficiency is ensured, and convenience is provided for better serving the back-end application.
In specific implementation, the S1-MME interface may continuously receive the incoming data, where the incoming data includes data of each user. After filtering the incoming data, the data of each user can be obtained, and the data of the user includes the termination position data of the user. In order to prevent the data arrival time deviation of the users from affecting the hash table processing logic at the rear end, the data of each user needs to be put into a cache for time sorting processing, then the sorted data in the cache is put into the hash table according to the time sequence for user group arrangement, and whether the position information of the user changes is detected.
And continuously putting the processed data in the cache into a hash table, and writing the position data of the user into a preset file after the change of the position information of the user in the user group is found, so that the position change information of the LTE user is obtained.
In some embodiments, due to the large magnitude of the incoming data, the incoming data may be split, i.e., distributed to different servers for resource balancing. However, since the incoming data needs to be subjected to the hash processing subsequently, the incoming data can be shunted based on the key information, that is, the incoming data is subjected to the modulo processing by using the key information, so that the required data can be provided for the subsequent hash processing.
In implementation, the key information may be a number, and a modulo process is performed by using the number, for example, the number mod n (where n is several, it represents that data is divided into several paths), so that data with the same result is distributed to one server during the modulo process, and the hash process can be performed correctly.
In some embodiments, in order to avoid some special situations from affecting the determination of the user location change information, the method for acquiring LTE user location change information may further include: and if the position information of the user does not change within the first preset time, writing the position data corresponding to the user into a preset file.
The first preset time may be set according to actual requirements, and is not limited herein.
After obtaining the location data of a user, if the location change information of the user is not obtained beyond a first preset time, for example, when the user stays in a cell for more than the first preset time, the location information of the user will not change within the first preset time. At this time, the start position data of the user and the end position data of the user are the same. Meanwhile, the position data of the user is continuously put into the position of the hash table to wait for processing again.
Similarly, the method for acquiring LTE user location change information may further include: if the termination position data of the first user in the user groups are not acquired within the second preset time, writing the position data of the first user into a preset file, and emptying the user information of the first user in the hash table; the ending location data of the first user is the starting location data of the first user.
The second preset time may be set according to actual requirements, and is not limited herein.
In specific implementation, when the ending position data of a user (first user) in the user groups is not acquired within a second preset time, the mobile phone of the user can be considered to be in a power-off state or not in a collection range, under the condition, one-time recording of the landing position data at the end of the second preset time can be set, namely, the position data of the user is written into a preset file at the end of the second preset time, and at the moment, the ending position data of the user is defaulted to be the starting position data of the user. In addition, since the end position data of the user is not collected when the second preset time is over, the position data of the user written in the preset file can be regarded as invalid data, and thus, the data information of the user can be deleted from the hash table, so that the occupation of the invalid data on the hash table is reduced, and the processing efficiency of the hash table is improved.
In some embodiments, after writing the location data of the user who changes into the preset file, it is further required to update the start location data of the user who changes this time in the hash table to the end location data, so as to wait for the next time when the location information of the user changes, and process the end location data of this time as the next start location data.
In some embodiments, in step 12, the processing the received inflow data may specifically include: and carrying out lightweight processing on the received inflow data. Therefore, unnecessary information can be filtered, data to be processed are reduced, subsequent processing time is shortened, and data processing efficiency is improved.
When the received inflow data is subjected to lightweight processing, the field of the inflow data can be simplified; the content of the incoming data may also be filtered.
The fields of the incoming data are reduced, and unnecessary fields in the incoming data are removed and necessary fields are reserved. For example, culling unnecessary fields: user IP, Xdr ID (record ID); reserving necessary fields: procedure Start Time, City, IMSI (subscriber identity), MSISDN (subscriber number), etc.
Similarly, the content of the incoming data is filtered, whether a field with missing content exists in the incoming data is detected, and if yes, the field with missing content is removed; and/or detecting whether unnecessary information exists in the necessary fields of the incoming data, and if so, rejecting the unnecessary information in the necessary fields.
When the content of the incoming data is filtered, the field to be processed may be a number field.
In practical applications, if the signaling data does not report a complete number or does not backfill a complete number, such data cannot be processed by the hash table packet, and therefore, filtering is required. The other field information is not filtered because it is not critical packet information. And if the number field contains unnecessary information, the unnecessary information can be removed, so that the field content is more simplified, and the data occupation space is reduced. For example, if there is a +86 beginning for a number, the +86 needs to be removed.
An embodiment of the present application provides an apparatus for acquiring LTE user location change information, as shown in fig. 2, the apparatus may specifically include: a receiving module 201, configured to receive incoming data of an S1-MME interface in the form of an SDTP code stream; a processing module 202, configured to process the received incoming data to obtain termination location data of each user; the detection module 203 is configured to cache the termination position data of each user according to a time sequence, place the cached termination position data of each user into a hash table according to the time sequence, and perform user group arrangement; detecting whether position information of users in a plurality of user groups changes or not; a writing module 204, configured to write the changed location data of the user into a preset file if the location information of the user changes; the location data includes start location data and end location data.
Optionally, the writing module 204 may be further configured to: and if the position information of the user does not change within the first preset time, writing the position data corresponding to the user into a preset file.
Optionally, the writing module 204 may be further configured to: if the termination position data of the first user in the user groups are not obtained within the second preset time, writing the position data of the first user into a preset file, and emptying the user information of the first user in the hash table; the ending location data of the first user is the starting location data of the first user.
Optionally, after writing the changed location data of the user into the preset file, the apparatus for acquiring the LTE user location change information may further include an update module, where the update module may specifically be configured to: and updating the initial position data of the user which is changed at this time in the hash table into the end position data.
Optionally, the processing module 202 is specifically configured to process the received incoming data, and may be specifically configured to: and carrying out lightweight processing on the received inflow data.
Optionally, the processing module 202, which performs lightweight processing on the received incoming data, may specifically be configured to: simplifying fields of the incoming data; and/or filtering the content of the incoming data.
Optionally, the field reduction is performed on the incoming data, and the processing module 202 may be specifically configured to: unnecessary fields in the incoming data are removed and necessary fields are retained.
Optionally, the processing module 202 may be specifically configured to perform filtering processing on the content of the incoming data: detecting whether the fields with missing contents exist in the inflow data, and if so, rejecting the fields with missing contents; and/or detecting whether unnecessary information exists in the necessary fields of the incoming data, and if so, rejecting the unnecessary information in the necessary fields.
For a specific implementation of the apparatus for acquiring LTE user location change information provided in the embodiment of the present application, reference may be made to the implementation of the method for acquiring LTE user location change information described in any of the above embodiments, and details are not repeated here.
An embodiment of the present application provides an apparatus for acquiring LTE user location change information, and as shown in fig. 3, the apparatus may specifically include: a processor 301, and a memory 302 connected to the processor 301; the memory 302 is used to store computer programs; the processor 301 is adapted to invoke and execute a computer program in the memory 302 to perform a method as described in any of the embodiments above.
For a specific implementation of the apparatus for acquiring LTE user location change information provided in the embodiment of the present application, reference may be made to the implementation of the method for acquiring LTE user location change information described in any of the above embodiments, and details are not repeated here.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A method for acquiring LTE user position change information is characterized by comprising the following steps:
receiving the inflow data of an S1-MME interface in the form of an SDTP code stream;
processing the received inflow data to obtain the termination position data of each user;
caching the termination position data of each user according to a time sequence, putting the cached termination position data of each user into a hash table according to the time sequence, and arranging a plurality of user groups; detecting whether position information of users in a plurality of user groups changes or not;
if the position information of the user changes, writing the changed position data of the user into a preset file; the location data includes a start location data and the end location data.
2. The method of claim 1, further comprising:
and if the position information of the user does not change within the first preset time, writing the position data corresponding to the user into a preset file.
3. The method of claim 1, further comprising:
if the termination position data of a first user in a plurality of user groups are not acquired within a second preset time, writing the position data of the first user into a preset file, and emptying the user information of the first user in the hash table; the ending location data of the first user is the starting location data of the first user.
4. The method according to claim 1, wherein after writing the changed location data of the user into the preset file, further comprising:
and updating the initial position data of the user which changes this time in the hash table into the end position data.
5. The method of claim 1, wherein the processing the received incoming data comprises:
and carrying out lightweight processing on the received inflow data.
6. The method of claim 5, wherein the lightening the received inflow data comprises:
performing field reduction on the inflow data;
and/or filtering the content of the inflow data.
7. The method of claim 6, wherein the field reducing the incoming data comprises:
unnecessary fields in the incoming data are removed and necessary fields are reserved.
8. The method of claim 6, wherein the filtering the content of the incoming data comprises:
detecting whether a field with missing content exists in the inflow data, and if so, rejecting the field with missing content;
and/or detecting whether unnecessary information exists in a necessary field of the inflow data, and if so, rejecting the unnecessary information in the necessary field.
9. An apparatus for acquiring LTE user location change information, comprising:
the receiving module is used for receiving the inflow data of the S1-MME interface in the form of SDTP code stream;
the processing module is used for processing the received inflow data to obtain the termination position data of each user;
the detection module is used for caching the termination position data of each user according to a time sequence, and putting the cached termination position data of each user into a hash table according to the time sequence to perform user group arrangement; detecting whether position information of users in a plurality of user groups changes or not;
the writing module is used for writing the changed position data of the user into a preset file if the position information of the user changes; the location data includes a start location data and the end location data.
10. An apparatus for acquiring LTE user location change information, comprising:
a processor, and a memory coupled to the processor;
the memory is used for storing a computer program;
the processor is configured to invoke and execute the computer program in the memory to perform the method of any one of claims 1-8.
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