CN102123419B - Location abnormality eliminating method, destination node and system in long evolving system - Google Patents
Location abnormality eliminating method, destination node and system in long evolving system Download PDFInfo
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Abstract
The invention provides location abnormality eliminating method, destination node and the system in a kind of long evolving system.Relate to moving communicating field; Solve the problem of not locating exception handling.The method comprises: when location occurring being abnormal, sends the abnormal notification message in location, carry location abnormal cause or method for subsequent processing within the message to Correspondent Node.Technical scheme provided by the invention is applicable in the network under LPP and LPPa agreement.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to location abnormality eliminating method, destination node and system in a kind of long evolving system.
Background technology
Current mobile communication technology is faced with as user provides higher data rate, better covers and the problem of larger capacity for network provides.
In order to solve the problem, 3GPP (3rdGenerationPartnershipProject, third generation partner program) start wireless access network Long Term Evolution project LTE in December, 2004, access technology E-UTRA (the Evolved-UTRA of evolution, the UTRA of evolution) and the access network E-UTRAN (Evolved-UTRAN of evolution, the UTRAN of evolution), and towards the packet domain core network evolution items SAE of all-IP, wish by the evolve from wave point to core network and enhancing, for operator and the ever-increasing demand of user provide better support, the time even longer at 10 years from now on, remain on the technology first-strike advantage of moving communicating field always.
Positioning service (LCS, LoCationServices) is the novel value-added service of one that mobile radio communication provides.This business obtains the positional information (longitude and latitude, translational speed etc.) of travelling carriage by wireless location technology, is supplied to user, mobile communication network or other external entity, realizes the various business relevant to position.
Terminal by the measurement to Serving cell or neighbor cell, or can be measured satellite-signal by built-in locating module, to obtain the data for calculating this terminal current location.In order to support location service, on the basis of LTE prior art, introduce new agreement: location protocol LPP/LPPa (LTEPositioningProtocol, LTE location protocol), for localization message mutual between UE/eNB and E-SMLC (EnhancedServingMobileLocationCentre enhanced service mobile location centre Chinese, positioning service controlling party).
Complete according to LPP/LPPa agreement in the process of mutual localization message between UE/eNB and E-SMLC above-mentioned, there are the following problems:
In LTE positioning service implementation procedure, owing to not supporting that the ability of request, protocol data parse error, traffic ID are not mated, cause producing location extremely, LPP process cannot be continued, locating information is failure alternately, goes back the location exception handling of neither one for this kind of situation at present.
Summary of the invention
The invention provides location abnormality eliminating method, destination node and the system in a kind of long evolving system, solve the problem of not locating exception handling.
A location abnormality eliminating method in long evolving system, comprising:
When location occurring being abnormal, send the abnormal notification message in location to Correspondent Node, carry location abnormal cause or method for subsequent processing within the message.
Further, the abnormal notification message in described location provides (ProvideCapabilities) response message or auxiliary data to provide (ProvideAssistanceData) response message or positional information to provide (ProvideLocationInformation) response message for stationkeeping ability, described when location occurring being abnormal, send the abnormal notification message in location to Correspondent Node, be specially:
When the localization method of asking does not support positioning assistance data or the location survey failure that maybe cannot provide request, send the abnormal notification message in location to Correspondent Node, carry location abnormal cause within the message.
Further, the abnormal notification message in described location is Wrong localization message, described when location occurring being abnormal, sends the abnormal notification message in location be specially to Correspondent Node:
Messaging service mark (ID) do not mate message data mistake or message decoding error time, send the abnormal notification message in location to described Correspondent Node, carry location abnormal cause within the message.
Further, the abnormal notification message in described location provides message or auxiliary data to provide message or positional information to provide message for stationkeeping ability, described when location occurring being abnormal, sends the abnormal notification message in location be specially to Correspondent Node:
When the localization method of asking does not support positioning assistance data or the location survey failure that maybe cannot provide request, the abnormal notification message in location is sent to Correspondent Node, carry the method for subsequent processing that location is abnormal within the message, described method for subsequent processing is specially initiates location again.
Further, the abnormal notification message in described location is Wrong localization message, described when location occurring being abnormal, sends the abnormal notification message in location be specially to Correspondent Node:
Messaging service ID do not mate message data mistake or message decoding error time, the abnormal notification message in location is sent to described Correspondent Node, carry the method for subsequent processing that location is abnormal within the message, described method for subsequent processing is specially and retransmits locator data or cancel this position fixing process or stop positioning service.
Further, described when location occurring being abnormal, after Correspondent Node sends the step of the abnormal notification message in location, also comprise:
Described Correspondent Node receives the abnormal notification message in described location, carries location abnormal cause in the abnormal notification message in described location;
Described Correspondent Node is according to the abnormal notification message in described location, and change locating request message, initiates location again.
Further, described when location occurring being abnormal, after Correspondent Node sends the step of the abnormal notification message in location, also comprise:
Described Correspondent Node receives the abnormal notification message in described location, carries the abnormal method for subsequent processing in location in the abnormal notification message in described location;
Described Correspondent Node, according to the abnormal notification message in described location, carries out subsequent treatment, and described subsequent treatment is specially and retransmits locator data or cancel this positioning flow or stop positioning service.
Present invention also offers a kind of destination node, comprising:
Locate abnormal notification module, for when location occurring being abnormal, send the abnormal notification message in location to Correspondent Node, carry location abnormal cause or method for subsequent processing within the message.
Further, above-mentioned destination node also comprises:
Location abnormality processing module, for receiving the abnormal notification message in described location, when carrying location abnormal cause in the abnormal notification message in described location, change locating request message, initiates location again; Or,
When carrying the abnormal method for subsequent processing in location in the abnormal notification message in described location, according to the method for subsequent processing that described location is abnormal, carry out subsequent treatment, described subsequent treatment is specially and retransmits locator data or cancel this positioning flow or stop positioning service.
Present invention also offers a kind of location abnormality processing system, comprise the first destination node and the second destination node, described first destination node and described second destination node Correspondent Node each other;
Described first destination node, for when location occurring being abnormal, sends the abnormal notification message in location to described second destination node, carries location abnormal cause or method for subsequent processing within the message;
Described second destination node, for receiving the abnormal notification message in location that described first destination node sends, when carrying location abnormal cause in the abnormal notification message in described location, change locating request message, initiates location again; Or,
When carrying the abnormal method for subsequent processing in location in the abnormal notification message in described location, according to the method for subsequent processing that described location is abnormal, carry out subsequent treatment, described subsequent treatment is specially and retransmits locator data or cancel this positioning flow or stop positioning service.
The embodiment provides the location abnormality eliminating method in a kind of long evolving system, when UE or E-SMLC detects that location is abnormal, by sending the abnormal notification message in location to Correspondent Node, and carry location abnormal cause or method for subsequent processing within the message, instruction Correspondent Node carries out abnormality processing, achieve the notice that location is abnormal, solve the problem of not locating exception handling.
Accompanying drawing explanation
The flow chart of the location abnormality eliminating method in a kind of LTE system that Fig. 1 provides for embodiments of the invention one;
The flow chart of the location abnormality eliminating method in a kind of LTE system that Fig. 2 provides for embodiments of the invention two;
The structural representation of a kind of destination node that Fig. 3 provides for embodiments of the invention;
The structural representation of the another destination node that Fig. 4 provides for embodiments of the invention.
Embodiment
In LTE positioning service implementation procedure, owing to not supporting that the ability of request, protocol data parse error, traffic ID are not mated, cause producing location extremely, LPP process cannot be continued, locating information is failure alternately, goes back the location exception handling of neither one for this kind of situation at present.
In order to solve the problem, The embodiment provides the location abnormality eliminating method in a kind of LTE system, in time abnormal conditions can be fed back to Correspondent Node when there is location exception, be convenient to Correspondent Node according to abnormal conditions, again to initiate this LPP process or cancel this process or positioning service.
In analyzing and positioning process, failure scene is as follows:
1, the localization method (locator data) of request is not supported.As: some positioning assistance data that terminal does not support the concrete localization method of certain class, E-SMLC cannot provide terminal request.
2, location survey failure.As, terminal positioning is measured unsuccessfully, and positioning measurement result cannot be provided to E-SMLC.
3, the ID for differentiated service in localization message does not mate.As: in the response message of corresponding requests, traffic ID is different from the traffic ID in request message.
4, localization message decoding error.As: after receiving localization message, cannot decode.
5, localization message data (content) mistake.As: opposite end provides response message content false.
6, other mistake.
Above-mentioned do not support localization method, the positioning assistance data of request or terminal positioning cannot be provided to measure unsuccessfully, can be that part is not supported, as: ask three kinds of localization methods, do not support OTDOA wherein (ObservedTimeDifferenceofArrival is poor for the observable time of advent).
For above-mentioned failure scene 1,2,6, embodiments of the invention one are adopted to process; For above-mentioned failure scene 3,4,5,6, embodiments of the invention two are adopted to process.Be respectively described below.
First by reference to the accompanying drawings, embodiments of the invention one are described.
In positioning service process, LPP agreement is the location protocol transmitted between UE and E-SMLC, and two destination nodes of LPP agreement are UE, E-SMLC respectively.。LPP agreement specifically comprises: stationkeeping ability request, is asked by E-SMLC, and UE responds; Request for assistance data, is asked by UE, and E-SMLC responds; Location information request, is asked by E-SMLC, and UE responds.In addition, above-mentioned response message can not need request message to trigger, and namely carries out active feedback by UE or E-SMLC.It will be apparent to those skilled in the art that, above-mentioned request and response are a part for LPP agreement, and the scope of application of the location exception method that embodiments of the invention provide is not limited thereto, and does not enumerate explanation at this.
In the embodiment of the present invention, A, B are two destination nodes of LPP location protocol, and when destination node A is UE, destination node B is E-SMLC; When destination node A is E-SMLC, destination node B is UE.Location abnormality processing way in the LTE system using the embodiment of the present invention to provide completes locating the process of abnormality processing as shown in Figure 1, comprising:
Step 101, destination node B receive the localization message that destination node A sends;
In the embodiment of the present invention, described localization message is specially stationkeeping ability request (RequestCapabilities) response message, or request for assistance data (RequestAssistanceData) response message, or location information request (RequestLocationInformation) response message.
Step 102, destination node B detect exception, and judgement cannot continue location;
In positioning service implementation procedure, multiple exception may be there is, as:
1, the localization method (locator data) of request is not supported, as some positioning assistance data that terminal does not support the concrete localization method of certain class, E-SMLC cannot provide terminal request; Can being that part is not supported, as asked three kinds of localization methods, not supporting OTDOA wherein (ObservedTimeDifferenceofArrival is poor for the observable time of advent).
2, location survey failure, as terminal positioning is measured unsuccessfully, cannot provide positioning measurement result to E-SMLC.
3, other relevant to location type error.
Each exception correspond to a kind of failure reason value, and failure reason value can be arranged when system initialization, and all preserves same failure reason value on same abnormal temination point A and destination node B.
The localization method (locator data) of above-mentioned request is not supported, the positioning assistance data of request or terminal positioning cannot be provided to measure unsuccessfully.
Step 103, destination node B setup failed reason, send the abnormal notification message in location to destination node A;
In this step, destination node B is abnormal notification message to location that destination node A sends, is specially that stationkeeping ability provides (ProvideCapabilities) message, auxiliary data provides (ProvideAssistanceData) message, positional information provides (ProvideLocationInformation) message.Carry in the abnormal notification message in location and location abnormal cause occurs, the method to set up of concrete reason is see step 102.
Optionally, also method for subsequent processing can be carried in the abnormal notification message in location, as for not supporting localization method, the positioning assistance data of request cannot be provided, terminal positioning measures the nonfatal error such as unsuccessfully, can opposite end be indicated to change relevant parameter in the abnormal notification message in location, again initiate location.
Step 104, destination node A, according to the abnormal notification message in location, process location is abnormal;
In this step, if locating what carry in abnormal notification message is location abnormal cause (as failure reason value), then destination node A needs the processing method that first judges to mate with this reason, then processes according to judged result; If what locate that abnormal notification message carries is method for subsequent processing, then modify according to the instruction of this method for subsequent processing.
By reference to the accompanying drawings, embodiments of the invention two are described.
In positioning service process, LPP agreement is the location protocol transmitted between UE and E-SMLC, and two destination nodes of LPP agreement are UE, E-SMLC respectively.
In the embodiment of the present invention, A, B are two destination nodes of LPP location protocol, and when destination node A is UE, destination node B is E-SMLC; When destination node A is E-SMLC, destination node B is UE.Location abnormality processing way in the LTE system using the embodiment of the present invention to provide, completing locating the process of abnormality processing as shown in Figure 2, comprising:
Step 201, destination node B receive the localization message that destination node A sends;
In the embodiment of the present invention, described localization message is specially stationkeeping ability request/response (RequestCapabilities/ProvideCapabilities) message, or request for assistance data/response (RequestAssistanceData/ProvideAssistanceData) message, or location information request/response (RequestLocationInformation/ProvideLocationInformation) message.
Step 202, destination node B detect exception, and judgement cannot continue location;
In positioning service implementation procedure, multiple exception may be there is, as:
1, the ID for differentiated service in localization message does not mate.As: in the response message of corresponding requests, traffic ID is different from the traffic ID (associating a pair Location Request, response message by traffic ID) in request message.
2, localization message decoding error.As: after receiving localization message, cannot decode.
3, localization message data (content) mistake.As: as request A-GNSS (Assisted-GlobalNavigationSatelliteSystem global navigation satellite auxiliary system) positioning assistance data, provide OTDOA associated auxiliary data, or the auxiliary data disappearance important parameter etc. provided;
4, other exception error.
Each exception correspond to a kind of failure reason value, and failure reason value can be arranged when system initialization, and all preserves same failure reason value on same abnormal temination point A and destination node B.
Above exception, be not that positioning service process (stationkeeping ability mutual, positioning assistance data, aligner measurements) causes itself, mainly transfer of data, message transmission etc. cause.
Step 203, destination node B setup failed reason, send Wrong localization message to destination node A;
Distinguish for the ease of opposite end and response in time, in the embodiment of the present invention, a newly-increased Wrong localization message LPPError is as the abnormal notification message in location, for transmitting failure cause to opposite end.Need in LPPError to carry failure reason value, concrete reason is arranged see step 202.
Optionally, also method for subsequent processing can be carried in Wrong localization message, as do not mated for messaging service ID, the fatal error such as message data mistake, message decoding error, can indicate in Wrong localization message and retransmit locator data, or cancel this positioning flow, or stop this positioning service (one-time positioning business packet is containing at least one positioning flow).
Step 204, destination node A, according to Wrong localization message, process location is abnormal;
In this step, if what carry in Wrong localization message is failure cause, then first destination node A judges and the processing method that this reason is mated, then processes according to judged result; If what location failed message carried is method for subsequent processing, then modify according to the instruction of this method for subsequent processing.
It should be noted that, abnormal in positioning process for the LPPa agreement terminated between eNB and E-SMLC, the location abnormality eliminating method that embodiments of the invention provide stands good, and the implementation process of its implementation procedure and above-described embodiment is as good as, and is not repeated.
Location abnormality eliminating method in the LTE system that embodiments of the invention provide, when UE or E-SMLC detects that location is abnormal, by sending the abnormal notification message in location to Correspondent Node, and carry location abnormal cause or method for subsequent processing within the message, instruction Correspondent Node carries out abnormality processing, achieve the notice that location is abnormal, solve the problem of not locating exception handling.Locate abnormal notification message and can utilize message in existing LPP agreement, also can construct a new Wrong localization message, flexible operation.And Correspondent Node according to the abnormal notification message in the location received, can determine to retransmit locator data, again initiates this position fixing process, cancels this position fixing process, or stop this positioning service, thus effectively can control position fixing process.
Embodiments of the invention additionally provide a kind of destination node, and its structure as shown in Figure 3, comprising:
Locate abnormal notification module 301, for when location occurring being abnormal, send the abnormal notification message in location to Correspondent Node, carry location abnormal cause or method for subsequent processing within the message.
Further, the structure of above-mentioned destination node as shown in Figure 4, also comprises:
Location abnormality processing module 302, for receiving the abnormal notification message in described location, when carrying location abnormal cause in the abnormal notification message in described location, change locating request message, initiates location again; Or,
When carrying the abnormal method for subsequent processing in location in the abnormal notification message in described location, according to the method for subsequent processing that described location is abnormal, carry out subsequent treatment, described subsequent treatment is specially and retransmits locator data or cancel this positioning flow or stop positioning service.
Described destination node, can be integrated in UE, eNB or the E-SMLC supporting LPP agreement.
Embodiments of the invention additionally provide a kind of location abnormality processing system, comprise the first destination node and the second destination node, described first destination node and described second destination node Correspondent Node each other;
Described first destination node, for when location occurring being abnormal, sends the abnormal notification message in location to described second destination node, carries location abnormal cause or method for subsequent processing within the message;
Described second destination node, for receiving the abnormal notification message in location that described first destination node sends, when carrying location abnormal cause in the abnormal notification message in described location, change locating request message, initiates location again; Or,
When carrying the abnormal method for subsequent processing in location in the abnormal notification message in described location, according to the method for subsequent processing that described location is abnormal, carry out subsequent treatment, described subsequent treatment is specially and retransmits locator data or cancel this positioning flow or stop positioning service.
Above-mentioned first destination node and the second destination node, all can be integrated in UE, eNB or the E-SMLC supporting LPP agreement.If the first destination node is UE or eNB, then the second destination node is E-SMLC; If the second destination node is E-SMLC, then the second destination node is UE or eNB.
Above-mentioned destination node and location abnormality processing system, the one that can provide with embodiments of the invention is located abnormality eliminating method and is combined, when one of two destination nodes of Correspondent Node each other detect that location is abnormal, by sending the abnormal notification message in location to Correspondent Node, and carry location abnormal cause or method for subsequent processing within the message, instruction Correspondent Node carries out abnormality processing, achieves the notice that location is abnormal, solves the problem of not locating exception handling.
One of ordinary skill in the art will appreciate that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range described in claim.
Claims (8)
1. the location abnormality eliminating method in Long Term Evolution LTE system, is characterized in that, comprising:
When location occurring being abnormal, send the abnormal notification message in location to Correspondent Node, carry location abnormal cause or method for subsequent processing within the message;
Described Correspondent Node receives the abnormal notification message in described location, according to the abnormal notification message in described location, carries out subsequent treatment, and described subsequent treatment is specially and retransmits locator data or cancel this positioning flow or stop positioning service; If locating what carry in abnormal notification message is location abnormal cause, then first judges the processing method of mating with this reason, then process according to judged result; If what locate that abnormal notification message carries is method for subsequent processing, then modify according to the instruction of this method for subsequent processing;
Described location is abnormal to be comprised: the localization method of request is not supported, location survey failure, ID for differentiated service in localization message do not mate, localization message decoding error or localization message error in data.
2. the location abnormality eliminating method in LTE system according to claim 1, it is characterized in that, the abnormal notification message in described location provides ProvideCapabilities response message or auxiliary data to provide ProvideAssistanceData response message or positional information to provide ProvideLocationInformation response message for stationkeeping ability, described when location occurring being abnormal, send the abnormal notification message in location to Correspondent Node, be specially:
When the localization method of asking does not support positioning assistance data or the location survey failure that maybe cannot provide request, send the abnormal notification message in location to Correspondent Node, carry location abnormal cause within the message.
3. the location abnormality eliminating method in LTE system according to claim 1, is characterized in that, the abnormal notification message in described location is Wrong localization message, described when location occurring being abnormal, sends the abnormal notification message in location be specially to Correspondent Node:
Messaging service mark ID do not mate message data mistake or message decoding error time, send the abnormal notification message in location to described Correspondent Node, carry location abnormal cause within the message.
4. the location abnormality eliminating method in LTE system according to claim 1, it is characterized in that, the abnormal notification message in described location provides message or auxiliary data to provide message or positional information to provide message for stationkeeping ability, described when location occurring being abnormal, send the abnormal notification message in location to Correspondent Node and be specially:
When the localization method of asking does not support positioning assistance data or the location survey failure that maybe cannot provide request, the abnormal notification message in location is sent to Correspondent Node, carry the method for subsequent processing that location is abnormal within the message, described method for subsequent processing is specially initiates location again.
5. the location abnormality eliminating method in LTE system according to claim 1, is characterized in that, the abnormal notification message in described location is Wrong localization message, described when location occurring being abnormal, sends the abnormal notification message in location be specially to Correspondent Node:
Messaging service ID do not mate message data mistake or message decoding error time, the abnormal notification message in location is sent to described Correspondent Node, carry the method for subsequent processing that location is abnormal within the message, described method for subsequent processing is specially and retransmits locator data or cancel this position fixing process or stop positioning service.
6. the location abnormality eliminating method in the LTE system according to claim 1 or 2 or 3, is characterized in that, described when location occurring being abnormal, after Correspondent Node sends the step of the abnormal notification message in location, also comprises:
Described Correspondent Node receives the abnormal notification message in described location, carries location abnormal cause in the abnormal notification message in described location;
Described Correspondent Node is according to the abnormal notification message in described location, and change locating request message, initiates location again.
7. a destination node, is characterized in that, comprising:
Locate abnormal notification module, for when location occurring being abnormal, send the abnormal notification message in location to Correspondent Node, carry location abnormal cause or method for subsequent processing within the message;
Location abnormality processing module, for receiving the abnormal notification message in described location, when carrying location abnormal cause in the abnormal notification message in described location, then first judge the processing method of mating with this reason, process according to judged result, change locating request message, initiates location again again; Or,
When carrying the abnormal method for subsequent processing in location in the abnormal notification message in described location, instruction according to the method for subsequent processing of described location exception is modified, carry out subsequent treatment, described subsequent treatment is specially and retransmits locator data or cancel this positioning flow or stop positioning service;
Described location is abnormal to be comprised: the localization method of request is not supported, location survey failure, ID for differentiated service in localization message do not mate, localization message decoding error or localization message error in data.
8. locate an abnormality processing system, it is characterized in that, comprise the first destination node and the second destination node, described first destination node and described second destination node Correspondent Node each other;
Described first destination node, for when location occurring being abnormal, sends the abnormal notification message in location to described second destination node, carries location abnormal cause or method for subsequent processing within the message;
Described second destination node, for receiving the abnormal notification message in location that described first destination node sends, when carrying location abnormal cause in the abnormal notification message in described location, then first judge the processing method of mating with this reason, process according to judged result again, change locating request message, initiates location again; Or,
When carrying the abnormal method for subsequent processing in location in the abnormal notification message in described location, instruction according to the method for subsequent processing of described location exception is modified, carry out subsequent treatment, described subsequent treatment is specially and retransmits locator data or cancel this positioning flow or stop positioning service;
Described location is abnormal to be comprised: the localization method of request is not supported, location survey failure, ID for differentiated service in localization message do not mate, localization message decoding error or localization message error in data.
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| CN105120485B (en) * | 2015-09-11 | 2018-10-12 | 中国联合网络通信集团有限公司 | A kind of localization method and system of anomalous event |
| CN110446257B (en) * | 2019-08-21 | 2021-09-28 | 惠州Tcl移动通信有限公司 | Positioning method and positioning device based on mobile terminal |
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| CN101296488A (en) * | 2007-04-29 | 2008-10-29 | 中兴通讯股份有限公司 | Mobile terminal locating and measuring method and system |
| CN101390431A (en) * | 2006-03-20 | 2009-03-18 | 高通股份有限公司 | Extended capability transfer between a user equipment and a wireless network |
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| CN101390431A (en) * | 2006-03-20 | 2009-03-18 | 高通股份有限公司 | Extended capability transfer between a user equipment and a wireless network |
| CN101296488A (en) * | 2007-04-29 | 2008-10-29 | 中兴通讯股份有限公司 | Mobile terminal locating and measuring method and system |
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