CN102695165A

CN102695165A - Method and system for obtaining international mobile equipment identity of user equipment

Info

Publication number: CN102695165A
Application number: CN2011100693745A
Authority: CN
Inventors: 李群
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2011-03-22
Filing date: 2011-03-22
Publication date: 2012-09-26
Anticipated expiration: 2031-03-22
Also published as: CN102695165B

Abstract

The invention discloses a method and a system for obtaining an international mobile equipment identity (IMEI) of a piece of user equipment. The method applied to 3rd-generation mobile radio communication systems comprises: receiving a request message of a radio resource control (RRC) send from the user equipment by a radio network controller (RNC), and sending a non-access layer IMEI to the user equipment to obtain the request message if a process for obtaining the IMEI, that needs to be started, is determined; and adding for storage or updating an IMEI corresponding to the international mobile subscriber identity (IMSI) of the user equipment, after the RNC receives the IMEI replied by the user equipment. According to the method and the system of the invention, a manufacturer, a model and a piece of version information corresponding to a piece of terminal equipment can be collected later to obtain performances of different types of terminal equipment in the network and to urge the manufacturer to update the terminal version, to improve the technology and to solve a fault.

Description

A kind of method and system of obtaining the subscriber equipment International Mobile Equipment Identity

Technical field

The present invention relates to field of wireless communications systems, relate in particular to a kind of method and system of obtaining the subscriber equipment International Mobile Equipment Identity.

Background technology

The third generation mobile technology provides the platform of development more business, and the terminal use can also enjoy data service when using traditional voice service.Like this network and terminal capabilities are all had higher requirement, need constantly optimize network configuration, promote terminal capabilities.

China three tame telecommunications operators are at 3G (3rd-generation; The 3G (Third Generation) Moblie technology) (comprising: TD-SCDMA (Time Division-Synchronous Code Division Multiple Access; The branch S-CDMA), CDMA2000 (Code Division Multiple Access 2000; Code division multiple access) and WCDMA (Wideband Code Division Multiple Access, WCDMA)) the fieriness competition of aspect also will be fierce more.

Wherein, WCDMA is the most ripe 3G standard of global evolution.The maturation of WCDMA not only shows technological layer, and challenge has also been sent to other two industrial chains (TD-SCDMA and CDMA2000) in its abundant terminal.China Mobile carries out the professional initial stage of TD, because industrial chain and imperfection, the terminal is very deficient, and indivedual TD terminals exist the problem on some quality or the performance.China Mobile is also remedying this short slab that the most directly satisfies the needs of consumers of terminal with doing one's best.

The angle that alarm and performance counter all are based on network system equipment in the existing network O&M analytical method reflects network operation situation; And can't reflect the detail of each calling of different terminal equipment type in the network; Also can't carry out the statistics and the probability distribution analysis of Key Performance Indicator (Key Performance Indicator abbreviates KPI as) based on terminal equipment type.

One of sign that International Mobile Equipment Identity (International Mobile Equipment Identity abbreviates IMEI as) is a subscriber equipment (UE) in net also is called as string number, and its maximum function is to be used for assistance to distinguish handset identities.

Definition about International Mobile Equipment Identity among the 3GPP (The 3rd Generation Partnership Project, third generation partner program) 25.003 is divided into two kinds: IMEI and IMEISV abbreviate the IMEI software version as).

As shown in Figure 1, IMEI is made up of 15 numerals, comprising:

TAC (Type Allocation Code, type assigned code) takies 8 numerals, and the FAC that wherein comprises (Final Assembly Code, assembling sign indicating number) takies 2 numerals;

SNR (Serial Number, sequence number) takies 6 numerals, and it is a sequence number unique among the TAC of certain model.

Also have an idle digit order number (spare) to be transmitted by the terminal, ordinary circumstance is used for check digit.This check digit is carried out verification to 14 numerals of TAC and SNR composition.

Be to be made up of IMEI and SVN (Software Version Number, software version number), wherein SVN is used to indicate the software version number of IMEI equipment, and is as shown in Figure 2, and its structure is following:

Preceding 14 bit digital are exactly the IMEI structure among the IMEISV, and one is check digit, the SVN of back 2 numerals for increasing, and this SVN is distributed by the manufacturer.

Therefore, IMEI is made up of 15 or 17 bit digital.Usually, the TAC sign indicating number has been represented producer's model at terminal; The implication of FAC sign indicating number is meant which factory of family the terminal is in when accomplishing assembling at last, and all there is its special code name in each tame factory, and it is not the code name of which country manufacturing, so the FAC sign indicating number also just can be thought the code name in the place of production, terminal.

Stipulate in the 3GPP agreement, obtain IMEI through the Non-Access Stratum signaling, but do not have non-core net equipment to obtain the flow process of IMEI through the control signaling process by core net.

Summary of the invention

The purpose of this invention is to provide a kind of method and system of obtaining the subscriber equipment International Mobile Equipment Identity, to realize obtaining IMEI through non-core net equipment.

For addressing the above problem, the invention provides a kind of method of obtaining the subscriber equipment International Mobile Equipment Identity, be applied to comprise in the third generation mobile radio communications system:

After radio network controller (RNC) is received radio resource control (RRC) request message that subscriber equipment sends; As judge and need initiate International Mobile Equipment Identity (IMEI) acquisition process, then send Non-Access Stratum IMEI and obtain request message to this subscriber equipment;

Said RNC adds the corresponding IMEI of international mobile subscriber identity (IMSI) that preserves or upgrade said subscriber equipment after receiving the IMEI that said subscriber equipment is replied.

Further,

Said judging needs to initiate the IMEI acquisition process, specifically comprises:

Said RNC is according to the cause information that carries in the said RRC request message, each the RRC reason for claim of searching configuration and the corresponding relation of whether initiating the IMEI acquisition process; If find this cause information corresponding to initiating the IMEI acquisition process, then judging needs to initiate the IMEI acquisition process.

Further,

Said RNC is an index with the IMSI that gets access to said subscriber equipment from core net, searches corresponding IMEI; If search less than, then judge and need to initiate the IMEI acquisition process.

Further,

Said interpolation is preserved or is upgraded the corresponding IMEI of said IMSI, specifically comprises:

Said RNC is an index with said IMSI, searches the local corresponding relation of whether preserving this IMSI and IMEI; If do not have, then add the corresponding relation of the IMEI that preserves this IMSI and the answer of said subscriber equipment; If have, judge whether the IMEI in the said corresponding relation is identical with the IMEI that said UE replys; If identical, then finish; If different, then the IMEI in the said corresponding relation is replaced with the IMEI that said subscriber equipment is replied.

Further,

Saidly send Non-Access Stratum IMEI to said subscriber equipment to obtain request message be that said RNC is setting up in the Radio Resource control connection process with said subscriber equipment, confirm that the order of Iu message connects to set up successful laggard row;

If core net started authentication process, said to said subscriber equipment send Non-Access Stratum IMEI obtain request message be said RNC confirming the order of Iu message connect set up successfully after, and accomplished and carried out after the Uu mouth safety mode process.

Further,

For cause information is the RRC request access of non-configuration reason or the customer call that reorientation switches to this RNC, and configuration need not to initiate the IMEI acquisition process in said RNC.

Further, said method also comprises:

Also dispose inquiry frequency thresholding and cleaning cycle among the said RNC;

In each cleaning cycle, the every couple one corresponding IMEI of IMSI carries out the one query operation, and said RNC adds up the number of times that this IMEI is inquired about;

To after date, the number of times that will be inquired about is less than the IMEI of said inquiry frequency thresholding and corresponding IMSI deletion at each cleaning cycle.

Further,

Said subscriber equipment is replied said IMEI through response message to said RNC;

Said method also comprises:

Be connected if set up circuit domain signaling between said RNC and the core net, the up sequence number that then said RNC will obtain from said response message is filled up in the simulation Non-Access Stratum MM NULL message, and sends to said core net through the Iu mouth.

Correspondingly, the present invention also provides a kind of system that obtains the subscriber equipment International Mobile Equipment Identity, comprising:

In the radio network controller (RNC) first device; Be used for after receiving the radio resource control that subscriber equipment is sent (RRC) request message; As judge and need initiate International Mobile Equipment Identity (IMEI) acquisition process, then send Non-Access Stratum IMEI and obtain request message to this subscriber equipment;

Among the said RNC second device is used for after receiving the IMEI that said subscriber equipment is replied, and adds the corresponding IMEI of international mobile subscriber identity (IMSI) that preserves or upgrade already present said subscriber equipment.

Further,

Said first device is judged to be needed to initiate the IMEI acquisition process, specifically comprises:

Said first device is used for the cause information that carries according to said RRC request message, each the RRC reason for claim of searching configuration and the corresponding relation of whether initiating the IMEI acquisition process; If find this cause information corresponding to initiating the IMEI acquisition process, then judging needs to initiate the IMEI acquisition process.

Further,

The IMSI that said first device is used for to get access to said subscriber equipment from core net is an index, searches corresponding IMEI; If search less than, then judge and need to trigger initiate the IMEI acquisition process.

Further,

Said second device adds the IMEI that preserves or upgrade said IMSI correspondence, specifically comprises:

It is index that said second device is used for said IMSI, searches the local corresponding relation of whether preserving this IMSI and IMEI; If do not have, then add the corresponding relation of the IMEI that preserves this IMSI and the answer of said subscriber equipment; If have, judge whether the IMEI in the said corresponding relation is identical with the IMEI that said UE replys; If identical, then finish; If different, then the IMEI in the said corresponding relation is replaced with the IMEI that said subscriber equipment is replied.

Further,

Said first device sends Non-Access Stratum IMEI to said subscriber equipment, and to obtain request message be that said RNC is setting up in the Radio Resource control connection process with said subscriber equipment, confirms that the order of Iu message connects to set up successful laggard row;

If core net started authentication process, said first device to said subscriber equipment send Non-Access Stratum IMEI obtain request message be said RNC confirming the order of Iu message connect set up successfully after, and accomplished and carried out after the Uu mouth safety mode process.

Further, also comprise the 3rd device among the said RNC;

Dispose inquiry frequency thresholding and cleaning cycle in said the 3rd device;

Be used in each cleaning cycle in said the 3rd device, the every couple one corresponding IMEI of IMSI carries out the one query operation, and said RNC adds up the number of times that this IMEI is inquired about; Also be used at each cleaning cycle to after date, the number of times that will be inquired about is less than the IMEI of said inquiry frequency thresholding and corresponding IMSI deletion.

Further, said RNC also comprises the 4th device;

When said the 4th device is used between said RNC and core net, having set up circuit domain signaling and is connected; The up sequence number that will from the response message that carries IMEI that UE replys, get access to is filled up in the simulation Non-Access Stratum MM NULL message, and sends to said core net through the Iu mouth.

RNC of the present invention starts the IMEI process of obtaining according to customer call RRC reason for claim; In conjunction with maintaining IMS I (International Mobile Subscriber Identification Number; International mobile subscriber identity)-and the IMEI corresponding relation, reach obtaining fast to the customer call IMEI that inserts in the RNC system.Carry out RRM (Radio Resource Management for the RNC system based on IMEI distinguishing terminal ability on the one hand; RRM) distributes; Solve the compatibility of systemic-function, the radio-resource-configuration to the terminal is operated in the optimum capacity scope terminal capability; On the other hand it is saved in the user journal, analyzing based on the KPI of IMEI for the network O&M analytical system provides foundation.The network O&M analytical system is carried out statistical analysis through user journal from network and subscriber equipment identity (like producer, terminal type and version) angle, has solved the limitation of traditional analysis means.For example: generate network user's failure cause distributive law based on sub-district, base station; Carry out the probability distribution statistical of failure problem based on the terminal equipment type under the IMEI, detect whether the different terminal equipment type is the terminal equipment type that takes place frequently of some failure problem.

Description of drawings

Fig. 1 is the structure chart of IMEI in the prior art;

Fig. 2 is the structure chart of IMEISV in the prior art;

Fig. 3 is the flow chart of subscriber equipment International Mobile Equipment Identity maintaining method of the present invention;

Fig. 4 is the flow chart that obtains IMEI of the packet domain of specific embodiment of the invention simulation non-access layer information;

Fig. 5 is the flow chart that obtains IMEI of the circuit domain of instantiation simulation non-access layer information of the present invention.

Embodiment

Hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.

Radio network controller (Radio Network Control abbreviates RNC as) is responsible for the management and the distribution of Uu mouth Radio Resource and Iub, Iu, Iur terrestrial transmission bearing resource as the intermediate link of network side system equipment.In the process of customer call, the carrying foundation and the transmission course RNC of signaling and data can both write down tracking; Moreover RNC towards be the whole network different terminal type of user; Therefore to network performance and the performance of different user terminals in network; RNC is when gathering process of user calling information; Be stored in the user journal if simultaneously IMEI information is noted; Just can add up to terminal equipment corresponding producer, model and version information, thereby obtain the performance of different terminal equipment type in network, solve to supervise producer to carry out terminal versions upgrading, technological improvement and fault follow-up.

The present invention is based on third generation mobile radio communications system, be applicable to distributed system and integrated system.

Design of the present invention is: the RRC reason for claim startup terminal feedback IMEI information of calling out through IMSI-IMEI corresponding relation and designated user combines; Reduce and obtain IMEI information, quicken to obtain the efficient of IMEI information the customer call time delay and the effects of load of eating dishes without rice or wine.

In the present embodiment, a kind of method of obtaining the subscriber equipment International Mobile Equipment Identity is applied in the third generation mobile radio communications system, and is as shown in Figure 3, comprising:

After step 10, RNC receive the RRC request message that UE sends, as judge and need to initiate the IMEI acquisition process, then send Non-Access Stratum IMEI and obtain request message to this UE;

Step 20, RNC preserve or upgrade the IMEI of said IMSI correspondence after receiving the IMEI that above-mentioned UE replys.

In another embodiment of the present invention, judging needs initiation IMEI acquisition process to be meant:

RNC is according to the cause information that carries in this RRC request message; Search each RRC reason for claim of configuration and whether initiate IMEI (International Mobile Subscriber Identification Number; International mobile subscriber identity) corresponding relation of acquisition process; If find this cause information corresponding to initiating the IMEI acquisition process, then judging needs to initiate the IMEI acquisition process.Wherein, the former reason of setting up of RRC request because of 3GPP 25.331RRC connection request message.

RNC is an index with the IMSI information of the above-mentioned UE that gets access to from core net, searches and whether preserves the corresponding IMEI of this IMSI; If do not have, then judging needs to initiate the IMEI acquisition process.Need to prove that the process that RNC obtains IMSI information from core net can adopt existing mode, no longer gives unnecessary details at this.

In another embodiment of the present invention, in step 20, preserve or upgrade the IMEI of said IMSI correspondence, specifically realize in the following manner:

RNC is an index with above-mentioned IMSI, searches the local corresponding relation of whether preserving this IMSI and IMEI; If do not have, then preserve the corresponding relation of the IMEI of this IMSI and above-mentioned UE answer; If have, judge whether the IMEI in this corresponding relation is identical with the IMEI that above-mentioned UE replys; If identical, then finish; If different, then the IMEI in this corresponding relation is replaced with the IMEI that above-mentioned UE replys.

In another embodiment of the present invention, in the step 10, send Non-Access Stratum IMEI to this UE and obtain request message, specifically comprise:

RNC is setting up in the process of Radio Resource control connection with UE, after affirmation Iu message order connection is set up successfully, sends Non-Access Stratum IMEI to this UE and obtains request message.In addition, if core net has started authentication process, RNC confirm the order of Iu message connect sets up successfully after, obtain request message to this UE transmission Non-Access Stratum IMEI again after also need accomplishing Uu mouth safety mode process.

Further, if after a territory obtained the IMEI success, the IMEI process of obtaining was no longer triggered in another territory.

More excellent ground is the RRC request access of non-configuration reason or the customer call that reorientation switches to this RNC for cause information, and configuration need not to initiate the IMEI acquisition process in RNC.

For keeping any active ues record, reduce processing and memory cost to the RNC system, RNC needs the corresponding relation of IMSI and IMEI is cleared up, and soon the corresponding relation of IMSI and IMEI is made regular check on inactive record and is deleted.

Particularly, in another embodiment of the present invention, also dispose inquiry frequency thresholding and cleaning cycle among the RNC; In each cleaning cycle, the every pair one corresponding corresponding relation of IMEI carries out once-through operation (comprising: add, upgrade, inquire about), and this RNC adds 1 with the number of times that this IMEI is inquired about; To after date, the number of times that will be inquired about is less than the IMEI of inquiry frequency thresholding and corresponding IMSI deletion thereof at each cleaning cycle, and the number of times zero clearing that other IMEI are inquired about.

After the corresponding relation of IMSI and IMEI is safeguarded; In the user journal that process of user calling generates; Behavioral statistics information in the user journal detail record user calling process, and the user journal of storage is carried out statistical analysis from network and user terminal angle through the network O&M analytical system: based on sub-district, base station generation network user failure cause distributive law; Carry out the probability distribution statistical of failure problem based on the terminal equipment type of IMEI ownership, detect whether the different terminal equipment type is the terminal equipment that takes place frequently of some failure problem.

Correspondingly, in the present embodiment, a kind of system that obtains the subscriber equipment International Mobile Equipment Identity comprises:

Preferably,

Preferably, also comprise the 3rd device among the said RNC;

Preferably, said RNC also comprises the 4th device;

Below in conjunction with accompanying drawing the enforcement of technical scheme is done further to describe in detail.

S21, the operation maintenance center of RNC (Operations & Maintenance Center abbreviates OMC as) is configured;

S21-1 opens the process of obtaining the International Mobile Equipment Identity signaling to the RRC reason for claim configuration according to customer call.The RRC reason for claim of distinguishing customer call is set starts collection; Whether expression RNC need detect customer call and set up reason and start and obtain IMEI with judgement; For example: RNC can specify in particular procedures such as location area updating process, Routing Area Update process and attach request procedure and just start the IMEI collection, as far as possible the not extra increase calling delay and the load of eating dishes without rice or wine;

S21-2 is provided with the cleaning threshold parameter of the corresponding relation of IMSI and IMEI; Comprise cleaning cycle and inquiry frequency thresholding; Wherein:

Cleaning cycle, the expression corresponding relation configuration space time starts the cleaning operation to this corresponding relation to after date;

Inquiry frequency thresholding, after every corresponding relation inquired about, upgrades or add operational processes, the inquiry frequency of this corresponding relation can add up 1.When inquiring about frequency less than inquiry frequency thresholding, inactive record is thought by system.

S22, UE1 call out and insert RNC, and wherein the Establishment cause (setting up reason) of RRC CONNECTION REQUEST (RRC connection request) is Registration (registration); UE2 calls out and inserts RNC, and wherein the Establishment cause (setting up reason) of RRC CONNECTION REQUEST (RRC connection request) is Originating Conversational Call (caller talk);

S23, according to configuration, RNC starts UE1 and obtains the IMEI process, and UE2 is not then started the process of obtaining IMEI.

S23-1, RNC and UE set up in the RRC connection procedure, after affirmation Iu mouth packet domain or circuit domain signaling connection are set up successfully, initiatively simulate the descending direct-sending message of Non-Access Stratum Identity Request (identity request) request IMEI and give UE;

If core net has started authentication process, RNC also need accomplish Uu mouth safety mode process after confirming that Iu message order connection is set up successfully, restarts the descending direct-sending message of initiatively simulating Non-Access Stratum Identity Request request IMEI and gives UE;

S23-2, UE think core network requests after receiving Identity Request message, directly send the up direct-sending message of response Identity Response (identity response) that carries IMEI and give RNC;

S23-3, RNC detects to the Uu mouthpiece carries the up direct-sending message of Identity Response through the Non-Access Stratum decoding, and wherein carries IMEI information, then this message is intercepted and captured and is preserved in this IMEI to UE customer instance information.Be connected if set up the packet domain signaling between RNC and the core net, RNC does not transmit this message (as shown in Figure 4) to core net through the Iu mouth again; If having set up circuit domain signaling between RNC and the core net is connected; RNC reads the up sequence number that UE fills in the Identity Response message; And simulation Non-Access Stratum MM NULL signaling, should up sequence number send to core net (as shown in Figure 5) through the up direct-sending message of Iu mouth.Wherein, this up sequence number is that UE is the unique identification of each upstream message distribution of its transmission.

S23-4, RNC call IMSI and IMEI corresponding relation interface, are that corresponding relation is perhaps added in index upgrade with IMSI.

S24, RNC obtain corresponding IMEI with the IMSI index and are saved in the customer instance information UE2 customer call calling system inquiry IMSI and IMEI corresponding relation interface.If inquiry is less than changeing S23-1 to the S23-4 process.

S25 carries out periodic cleaning to IMSI and IMEI corresponding relation, comprising:

RNC starts the cleaning cycle timer to corresponding relation, and RNC will delete sluggish IMSI table record according to inquiry frequency thresholding behind the timer expiry.The corresponding relation of not deleted, the inquiry frequency all resets (being zero clearing), carries out the new one clearance time timing taken turns.

Corresponding relation cleaning design is in order to delete inactive user record.Make that the corresponding relation of IMSI and IMEI remains on certain scale in the RNC system, as far as possible save memory with improve inquiry, insert efficient.

RNC is saved in the user journal after obtaining IMEI, and the network O&M analytical system can be based on the IMSI and the IMEI table of comparisons that the IMEI information adding generates or update system is safeguarded.Generate related KPI (Key Performance Indicators, critical sales index) statistics and analysis through the whole network user journal from network and subscriber equipment identity (producer, terminal type and software version) angle.

One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to accomplish through program, said program can be stored in the computer-readable recording medium, like read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.

The above is merely the preferred embodiments of the present invention, is not to be used to limit protection scope of the present invention.According to summary of the invention of the present invention; Also other various embodiments can be arranged; Under the situation that does not deviate from spirit of the present invention and essence thereof, those of ordinary skill in the art are when making various corresponding changes and distortion according to the present invention, and are all within spirit of the present invention and principle; Any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. method of obtaining the subscriber equipment International Mobile Equipment Identity is applied to comprise in the third generation mobile radio communications system:

2. the method for claim 1 is characterized in that:

3. the method for claim 1 is characterized in that:

4. the method for claim 1 is characterized in that:

5. like any described method in the claim 1 ~ 3, it is characterized in that:

6. method as claimed in claim 2 is characterized in that:

7. like any described method in the claim 1 ~ 4, it is characterized in that, also comprise:

8. like any described method in the claim 1 ~ 4, it is characterized in that:

Said method also comprises:

9. system that obtains the subscriber equipment International Mobile Equipment Identity comprises:

10. system as claimed in claim 9 is characterized in that:

11. system as claimed in claim 9 is characterized in that:

12. system as claimed in claim 9 is characterized in that:

13., it is characterized in that like any described system in the claim 9 ~ 12:

14. like any described system in the claim 9 ~ 12, it is characterized in that, also comprise the 3rd device among the said RNC;

15., it is characterized in that said RNC also comprises the 4th device like any described system in the claim 9 ~ 12;