CN101772159A - User facility positioning method and communication device - Google Patents
User facility positioning method and communication device Download PDFInfo
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- CN101772159A CN101772159A CN200810241995A CN200810241995A CN101772159A CN 101772159 A CN101772159 A CN 101772159A CN 200810241995 A CN200810241995 A CN 200810241995A CN 200810241995 A CN200810241995 A CN 200810241995A CN 101772159 A CN101772159 A CN 101772159A
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Abstract
The invention relates to the wireless communication technical field, and discloses a user facility positioning method, the method comprises: transmitting a positioning measurement command to a user facility; acquiring positioning measurement information which includes timing advance information or system frame number time difference information; and positioning the user facility according to the positioning measurement information. The invention also provides a communication device. According to the scheme of the invention, the user facility can be conveniently and effectively positioned with low cost, thereby facilitating the application of user facility positioning services.
Description
Technical field
The present invention relates to wireless communication technology, relate in particular to a kind of user facility positioning method and communicator.
Background technology
Along with development of wireless communication devices, positioning service has become important business in the wireless communication system.At present, using more widely in the wireless communication system, location technology is based on cell ID (CellIdentity, location technology Cell-ID).
According to location technology based on Cell-ID, by subscriber equipment (User Equipment, UE) Cell-ID of residing sub-district determines user's position, as long as system can collect the geographical position of cell base station on map, UE place, and the covering radius of sub-district, then when travelling carriage after the registration of sub-district of living in, system will know which sub-district UE is in, thereby realizes the location to UE.
But, in localization method based on Cell-ID, UE may be positioned at any position of sub-district, the radius that the UE locating accuracy is depended on sub-district, UE place, because the distance of radius of society is generally all bigger, therefore, the locating information precision that obtains by the Cell-ID localization method is not high, can't satisfy user's demand.Especially in the lower place of base station density, can be far longer than the radius of society of urban area as the radius of society of remote districts, the precision of the locating information that obtains by the Cell-ID localization method is then poorer.
Summary of the invention
The specific embodiment of the invention proposes a kind of user facility positioning method and communicator, improves positioning accuracy when in wireless communication system UE being positioned.
On the one hand, the specific embodiment of the invention has proposed a kind of user facility positioning method, and this method comprises:
Send the location survey order to subscriber equipment; Obtain location measurement information, described location measurement information comprises Timing Advance information, perhaps the System Frame Number time difference information; According to location measurement information, described subscriber equipment is positioned.
On the other hand, the specific embodiment of the invention has also proposed a kind of user facility positioning method, and this method comprises: position negotiation with neighbor cell, determine the time of proprietary random access guiding and this proprietary random access guiding of transmission; Send the location survey order to subscriber equipment; Receive location measurement information, location measurement information comprises the temporal information of the proprietary random access guiding that receives this subscriber equipment transmission that neighbor cell is determined, subscriber equipment sends described random access guiding in the time that sends this proprietary random access guiding; According to location measurement information, subscriber equipment is positioned.
The specific embodiment of the invention has also comprised a kind of communicator, comprising: transmitting element is used for sending the location survey order to subscriber equipment; Acquiring unit is used to obtain location measurement information, and described location measurement information comprises Timing Advance information, perhaps the System Frame Number time difference information; Positioning unit is used for the location measurement information according to described acquiring unit acquisition, and described subscriber equipment is positioned.
The specific embodiment of the invention has also comprised a kind of communicator, comprising: negotiation element, be used for positioning negotiation with neighbor cell, and determine the time of proprietary random access guiding and this proprietary random access guiding of transmission; Transmitting element is used for sending the location survey order to subscriber equipment; Receiving element, be used to receive location measurement information, described location measurement information comprises the temporal information that described subscriber equipment sends described proprietary random access guiding that receives that described neighbor cell determines, described subscriber equipment sends described random access guiding in the time of described this proprietary random access guiding of transmission; Positioning unit is used for the location measurement information that receives according to described receiving element, and described subscriber equipment is positioned.
The scheme that provides according to the specific embodiment of the invention, when UE is positioned measurement, send the location survey order to UE, and reception location measurement information, this location measurement information can comprise Timing Advance information, perhaps System Frame Number time difference information, perhaps receive the time of the proprietary preamble of UE transmission, according to this location measurement information, can accurately realize location, simultaneously to UE, utilize the specific embodiment of the invention, can be easily, effectively, and can position UE at lower cost, be beneficial to the application of UE positioning service.
Description of drawings
Figure 1 shows that the schematic flow sheet of the method for a kind of subscriber equipment of first embodiment of the invention location;
Figure 2 shows that the schematic flow sheet of the method for a kind of subscriber equipment of second embodiment of the invention location;
Figure 3 shows that the schematic flow sheet of the method for a kind of subscriber equipment of third embodiment of the invention location;
Figure 4 shows that the schematic flow sheet of the method for a kind of subscriber equipment of four embodiment of the invention location;
Figure 5 shows that the schematic flow sheet of the method for a kind of subscriber equipment of fifth embodiment of the invention location;
Figure 6 shows that the schematic flow sheet of the method for a kind of subscriber equipment of sixth embodiment of the invention location;
Figure 7 shows that the structural representation of a kind of communicator of seventh embodiment of the invention;
Figure 8 shows that the structural representation of a kind of communicator of eighth embodiment of the invention.
Embodiment
In order to make concrete technical scheme of the present invention, goal of the invention clearer, be described further below in conjunction with concrete execution mode and accompanying drawing.
First embodiment of the invention has proposed the method for a kind of UE location, and with reference to Fig. 1, this method comprises:
Step 101: send the location survey order to subscriber equipment;
Step 102: obtain location measurement information, described location measurement information comprises Timing Advance information, perhaps the System Frame Number time difference information;
Step 103:, described subscriber equipment is positioned according to described location measurement information.
The scheme that provides according to the specific embodiment of the invention, when UE is positioned measurement, send the location survey order to UE, and the reception location measurement information, can accurately realize location, simultaneously to UE, utilize the specific embodiment of the invention, can be easily, effectively, and can position UE at lower cost, be beneficial to the application of UE positioning service.
With reference to Fig. 2, introduce second embodiment of the invention, about the method for a kind of UE location, in the present embodiment, after the location survey order that UE reception sources sub-district sends, to obtain location measurement information, and report the cell-of-origin, this method specifically comprises:
Step 201: the cell-of-origin sends the location survey order to UE.
In embodiment of the present invention, when needs positioned business, the cell-of-origin sent the location survey order to UE, required UE to measure the location measurement information of neighbor cell.For example, gateway measurement and positioning center (Gateway Measurement Location Center, GMLC), to Mobility Management Entity (MobilityManage Entity, MME) send Location Request,, require to provide the positional information of UE as Provide Subscriber Location message, then MME sends locating request message to the cell-of-origin at UE place, as Location Reporting Control.The cell-of-origin sends the location survey order to UE after the locating request message that receives the MME transmission.
The location survey order carry UE with the cell ID of the neighbor cell measured (Identity, ID).And Radio Resource control (the Radio Resource Control of UE can sent to, RRC) connect reallocation message, comprise in the RRC connection reallocation message and comprise the measuring time interval (GAP) and DRX in the measuring control information, can be so that UE has time enough to go to obtain the location measurement information of neighbor cell.The cell-of-origin can by the suitable discontinuous reception of configuration (Disconnectinuous Reception, DRX) cycle guarantees that UE is in " idle condition " in follow-up a period of time, to carry out the sub-district synchronous with neighbor cell, and the transmission that sends preamble.Concrete downstream signal can comprise: and Master Information Block (MasterInformation Block, MIB), i.e. PBCH information, perhaps down-going synchronous signaling.
Step 202:UE after receiving the location survey order, acquisition time lead TA information.
UE obtains the TA in the cell-of-origin, and according to the sub-district ID of neighbor cell, UE obtains the TA information of UE to different neighbor cells by the random access procedure to different neighbor cells.
In random access procedure, UE uploads random access guiding (Random Access Preamble) to cell-of-origin or neighbor cell after carrying out synchronously.After cell-of-origin or neighbor cell receive the random access guiding that UE sends, calculate and UE between distance.According to the distance between UE and the sub-district, the time that UE is sent upward signal is adjusted, can allow UE in advance or delay the transmission upward signal, for the UE of distance, dispose bigger TA information, allow UE send signal in advance, for the near UE of distance, the upward signal that the UE under same sub-district sends disposes less TA information, allows UE delay the transmission signal, so that can arrive neighbor cell simultaneously.Each neighbor cell sends accidental access response message to UE, wherein comprises the TA information that each neighbor cell is handed down to UE.
Step 203:UE sends the position measurement report to the cell-of-origin.
UE comprises the TA information of each sub-district that UE obtains in the position measurement report that the cell-of-origin sends.Perhaps, also can be earlier obtain the geographical location information of UE according to the TA information calculations of each sub-district, in the measurement report of position, comprise the geographical location information of UE then by UE.
The cell-of-origin is after the position measurement report that receives the UE transmission, can further UE located in connection information be sent to network side entity, for example, can in Location Reporting, send position message to MME, the localization message that comprises UE in this position message, this localization message comprise the TA information of each sub-district that UE sends; If UE has comprised the geographical location information that UE calculates in the measurement report of position, then localization message can directly comprise the geographical location information that UE calculates.The TA information calculations of each sub-district that the cell-of-origin also can send according to UE obtains the UE geographical location information, and this UE geographical location information is included in sends to MME in the position message.MME can further send location response message to the location survey center.
With reference to Fig. 3, introduce third embodiment of the invention below, the method about a kind of UE location comprises:
Step 301: cell-of-origin and neighbor cell position coordination.
Configuration is measured to UE in the cell-of-origin, requires UE to report adjacent cell information, the adjacent cell information that the cell-of-origin reports according to UE, definite neighbor cell that is fit to measure the UE position.Then, the cell-of-origin is fit to measure the neighbor cell request coordination positioning UE of UE position to these, if proprietary preamble is then confirmed in the neighbor cell agreement between cell-of-origin and the neighbor cell.
Step 302: the cell-of-origin sends the location survey order to UE.
The cell-of-origin sends the location survey order to UE, requires UE to measure the location measurement information of each sub-district, also sends and the definite proprietary preamble of neighbor cell coordination to UE simultaneously.
Step 303:UE after receiving the location survey order, acquisition time lead TA information.
UE inserts to each sub-district according to the proprietary preamble that obtains, and obtains the TA information of different neighbor cells.
Step 304:UE comprises the TA information of each sub-district that UE obtains in the position measurement report that the cell-of-origin sends.Perhaps, also can be earlier obtain the geographical location information of UE according to the TA information calculations of each sub-district, in the measurement report of position, comprise the geographical location information of UE then by UE.
The cell-of-origin is after the position measurement report that receives the UE transmission, can further UE located in connection information be sent to network side entity, for example, can in Location Reporting, send position message to MME, the localization message that comprises UE in this position message, this localization message comprise the TA information of each sub-district that UE sends; If UE has comprised the geographical location information that UE calculates in the measurement report of position, then localization message can directly comprise the geographical location information that UE calculates.The TA information calculations of each sub-district that the cell-of-origin also can send according to UE obtains the UE geographical location information, and this UE geographical location information is included in sends to MME in the position message.MME can further send location response message to the location survey center.
In the present embodiment, cell-of-origin and neighbor cell position negotiation, determine the proprietary preamble that UE inserts at random, can be so that UE be in inserting the sub-district process, avoid conflict, accelerate to obtain location measurement information such as TA information, can position UE more quickly.
With reference to Fig. 4, introduce four embodiment of the invention, the method about a kind of UE location comprises:
Step 401: the cell-of-origin sends the location survey order to UE.
This location survey order request UE measures the time of reception of neighbor cell downstream signal, simultaneously, the cell-of-origin can guarantee that UE is in " idle condition " in follow-up a period of time by disposing suitable discontinuous reception DRX cycle, carries out the sub-district synchronously and the transmission of preamble with neighbor cell.Concrete downstream signal can comprise: MIB, i.e. PBCH information, perhaps down-going synchronous signaling.
Step 402:UE obtains the System Frame Number time difference information of neighbor cell after receiving the location survey order.
In the LTE system, Physical Broadcast Channel (Physical Broadcast Channel, PBCH) contain SFN information in, and PBCH is engraved in the frame when issuing and fixes, issue Physical Broadcast Channel (Physical Broadcast Channel every 10ms, PBCH), the coded system that the PBCH that issues in 40ms is different.High 8bit among the 10bit of SFN can obtain in the imformosome of PBCH, and low 2bit can obtain in the process that PBCH is decoded.Therefore, UE can detect a reference cell, due in TpbcRxj as the PBCH of cell-of-origin j, detect the SFN of neighbor cell i and the constantly nearest due in TpbcRxi of PBCH of reference cell again, can obtain difference is TpbcRxj-TpbcRxi, obtains the SFN time difference information of neighbor cell.Such as: the SFN=100 of cell-of-origin, subframe is 0 o'clock, has cell-of-origin MIB; But the MIB of certain an adjacent area MIB nearest with respect to the cell-of-origin is SFN=100, subframe is 3, and further deviant is 20Ts (Ts=1/2048*15K), then the SFN-SFN deviant of this adjacent area and reference cell be 3 subframe+20Ts=(3 milliseconds+20Ts).
Perhaps, UE also can select cell reference signals (RS) as measuring-signal or sub-district synchronizing signal, obtains the SFN time difference information of neighbor cell.
Because the precision of SFN is 10ms, does not reach the requirement of positioning UE, therefore, SFN is that UE measures the downstream signal preliminary foundation of the time of advent, further, UE also needed according to more accurate moment of self clock log, i.e. the due in of certain subframe in the 10ms frame.UE reads the SFN of each sub-district and UE this moment self absolute time value, and further, UE can calculate the SFN of each sub-district this moment, the time offset value that subframe numbers and precision are higher.In the method that UE is positioned according to the SFN time difference information, require to know the synchronizing information of each phase sub-district, perhaps whole network is synchronous, for synchronous network system, UE can directly calculate the downgoing time difference of a plurality of neighbor cells to UE.
Step 403:UE sends the position measurement report to the cell-of-origin.
Comprising the location measurement information that UE obtains in this position measurement report, comprise the SFN time difference information of each neighbor cell that UE obtains, perhaps also can be the geographical location information that UE directly calculates according to the SFN time difference information.
The cell-of-origin is after the position measurement report that receives the UE transmission, can further UE located in connection information be sent to network side entity, for example, can in Location Reporting, send position message to MME, the localization message that comprises UE in this position message, this localization message comprises the SFN time difference information of each neighbor cell, if UE has comprised the geographical location information that UE calculates in the measurement report of position, then localization message can directly comprise the geographical location information that UE calculates.The cell-of-origin also can calculate the geographical location information of UE according to each neighbor cell SFN time difference information of UE feedback, sends position message to MME, comprises the geographical location information of UE in this position message.
According to the SFN time difference information of each neighbor cell of UE feedback, can obtain one is the hyperbola of focus with this adjacent area antenna and cell-of-origin antenna.After the SFN-SFN deviant of determining a plurality of neighbor cells, just can obtain hyp intersection point, so just can determine the position of UE.Generally speaking, measure promptly and can position, certainly, also can carry out location by more neighbor cell to UE to UE by 3 neighbor cells.MME sends location response message to the location survey center.
Below with reference to Fig. 5, introduce fifth embodiment of the invention, about the method for a kind of UE location, in the method that present embodiment provides, switch in turn in neighbor cell by UE, each sub-district obtains to send to the cell-of-origin after the location measurement information, thereby realize the location to UE, this method comprises:
Step 501 is step 301 and 302 basic identical to step 502 and the 3rd execution mode.
Step 503:UE switches to each neighbor cell in turn, and each neighbor cell obtains TA information respectively.
According to the result that cell-of-origin and neighbor cell are coordinated, network side is carried out the preparation of switching.In the random access procedure that UE switches, when UE sends proprietary preamble to neighbor cell, neighbor cell can obtain the TA information of UE according to proprietary preamble.The precision that the TA adjustment of UE is issued in the sub-district is 0.52 microsecond, but in fact, the preamble that the sub-district can obtain accepts ratio of precision 0.25 microsecond height constantly, therefore, the TA information that feeds back to the cell-of-origin by neighbor cell is than the TA information that UE feeds back higher precision to be arranged, like this, the TA information that obtains by the sub-district can position UE more accurately.
Step 504: neighbor cell sends to the cell-of-origin with the TA information that obtains.
After each neighbor cell obtains TA information, can TA information be sent to the cell-of-origin by the X2 interface between the sub-district.Further, the cell-of-origin is after obtaining TA information, can in Location Reporting, send position message to MM, comprise the TA information that neighbor cell obtains in this position message, the cell-of-origin also can obtain the UE geographical location information according to this TA information calculations, and this UE geographical location information is included in sends to MME in the position message.MME can further send location response message to the location survey center.
In the present embodiment, between cell-of-origin and the neighbor cell, can realize information transmission flexibly by X2 interface, neighbor cell can send to the cell-of-origin with the location measurement information that acquires, and has assisted easily subscriber equipment is positioned.
With reference to Fig. 6, introduce fifth embodiment of the invention below, the method about a kind of UE location comprises:
Step 601: cell-of-origin and neighbor cell position coordination.
Configuration is measured to UE in the cell-of-origin, requires UE to report adjacent cell information, the adjacent cell information that the cell-of-origin reports according to UE, definite neighbor cell that is fit to measure the UE position.
Then, the cell-of-origin is fit to measure the neighbor cell request coordination positioning UE of UE position to these.Cell-of-origin and neighbor cell are consulted a common proprietary preamble, and UE sends the moment of this preamble, the process of consulting can for: the cell-of-origin sends a request message to neighbor cell, the moment of optionally carrying one or more proprietary preamble in this request message and sending this preamble, neighbor cell is after receiving cell-of-origin transmitting terminal request message, confirm and reserve, return preamble and set aside some time, the cell-of-origin optionally sends an acknowledge message to each neighbor cell behind the affirmation response message that obtains the neighbor cell feedback.Perhaps, also can be used for particular services such as location by common proprietary preamble of redetermination, then cell-of-origin and neighbor cell only need be consulted the moment that UE sends this proprietary preamble and get final product.
Step 602: the cell-of-origin sends the location survey order to UE.
This location survey order request UE uploads proprietary preamble at the delivery time of consulting.Simultaneously, the cell-of-origin can guarantee that UE is in " idle condition " in follow-up a period of time by disposing suitable DRX cycle, to carry out the sub-district synchronously and the transmission of preamble with neighbor cell.
There is not inevitable sequencing relation between step 601 and the step 602.
The moment that step 603:UE requires in the location survey order is uploaded this proprietary preamble.
UE both can upload proprietary preamble at the delivery time of consulting at each neighbor cell, the former, network side can calculate each the adjacent difference time of advent according to the information of uploading of UE in some moment, adopt the mode of hyperbola find intersection, can positioning UE; UE also can upload proprietary preamble one by one to each neighbor cell, at this moment, because the moment that UE sends proprietary preamble is that the downlink frame with each sub-district is a datum mark, therefore, each neighbor cell or UE (UE is in the TA value back of receiving that the sub-district is returned) can obtain absolute eating dishes without rice or wine the transmission time, be the base station arrive UE absolute distance divided by the light velocity, be the intersection point of the circle of radius with the absolute distance by what find the solution that each antenna in cell draws.Can obtain the positional information of UE, also can upload one by one under the situation of proprietary preamble each neighbor cell at UE, it is synchronous not needing between the sub-district.
Step 604: neighbor cell is intercepted also recorder to the time that UE uploads the proprietary preamble of transmission, and the time of record is sent to the cell-of-origin.
The Time Calculation that the cell-of-origin sends according to each neighbor cell obtains the geographical location information of UE, sends position message to MME, comprises the geographical location information of UE in this position message.MME sends location response message to the location survey center.The geographical location information that comprises the UE of sub-district transmission in the location response message.
In the present embodiment, at synchronization, different districts is intercepted the proprietary preamble that UE uploads, acquisition receives the temporal information of this proprietary preamble, can be according to the location of this temporal information realization to UE, this execution mode can be realized UE is positioned simply, and requires very low to UE.
With reference to Fig. 7, introduce seventh embodiment of the invention, about a kind of communicator 700, this communicator can be a kind of base station, other equipment of service perhaps are provided for UE, and this communicator can be used for the method that realizes that above-mentioned embodiment provides, and this communicator 700 comprises:
Transmitting element 701 is used for sending the location survey order to subscriber equipment;
Acquiring unit 702 is used to obtain location measurement information, and this location measurement information comprises Timing Advance information, perhaps the System Frame Number time difference information;
Further, acquiring unit 702 comprises first receiving element 7021, be used to receive the Timing Advance information that subscriber equipment sends, this Timing Advance information sends random access guiding by subscriber equipment to cell-of-origin and neighbor cell, and cell-of-origin and neighbor cell are determined after receiving random access guiding and sent to subscriber equipment.Positioning unit 703 just can receive the Timing Advance information that obtains according to first receiving element 7021 UE is positioned.
Perhaps, acquiring unit 702 can comprise second receiving element 7022, be used to receive the System Frame Number time difference information that subscriber equipment sends, the Physical Broadcast Channel that this System Frame Number time difference information is sent according to described neighbor cell by subscriber equipment is determined to obtain the time of advent according to subframe in the described system-frame of self record simultaneously System Frame Number time of advent.
Perhaps, acquiring unit 702 can comprise the 3rd receiving element 7023, is used for the Timing Advance information that reception of neighboring cell sends, and described Timing Advance information is obtained in described subscriber equipment handoff procedure by described neighbor cell.Between cell-of-origin and the neighbor cell, can realize information transmission flexibly by X2 interface, neighbor cell can send to the cell-of-origin with the location measurement information that acquires, and has assisted easily subscriber equipment is positioned.
With reference to Fig. 8, introduce eighth embodiment of the invention, about a kind of communicator 800, this communicator 800 comprises:
Transmitting element 802 is used for sending the location survey order to subscriber equipment;
Receiving element 803, be used to receive location measurement information, described location measurement information comprises the temporal information that described subscriber equipment sends described proprietary random access guiding that receives that described neighbor cell determines, described subscriber equipment sends described random access guiding in the time of described this proprietary random access guiding of transmission;
The method and the communicator that provide according to the specific embodiment of the invention, after the location survey order that receives the network side transmission, can realize by Timing Advance information, perhaps System Frame Number difference information, perhaps UE reaches the time of each neighbor cell at the same proprietary preamble of special time transmission, UE is realized the location, promptly can allow UE self participate in position fixing process, also can be fully by the leading positioning service of network side, can accurately realize location to UE, convenient in several ways, realize location effectively, can reduce the realization cost of positioning service, greatly be beneficial to the extensive use of UE positioning service UE.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the method that each execution mode of the present invention provides.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.A unit can be merged in unit in the said apparatus execution mode, also can further split into a plurality of subelements.
Though by with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, it will be understood by those skilled in the art that and to do various changes to it in the form and details, and do not depart from scope of the present invention.
Claims (12)
1. a user facility positioning method is characterized in that, comprising:
Send the location survey order to subscriber equipment;
Obtain location measurement information, described location measurement information comprises Timing Advance information, perhaps the System Frame Number time difference information;
According to described location measurement information, described subscriber equipment is positioned.
2. method according to claim 1 is characterized in that, if described location measurement information comprises Timing Advance information, the described location measurement information of obtaining comprises:
Receive the Timing Advance information that described subscriber equipment sends, described Timing Advance information sends random access guiding by described subscriber equipment to cell-of-origin and neighbor cell, and described cell-of-origin and neighbor cell are determined after receiving described random access guiding and sent to described subscriber equipment.
3. method according to claim 2 is characterized in that, described random access guiding is proprietary random access guiding, and this proprietary random access guiding is to position with neighbor cell to consult to obtain.
4. method according to claim 1 is characterized in that, if described location measurement information is the System Frame Number time difference information, the described location measurement information of obtaining comprises:
Receive the System Frame Number time difference information that described subscriber equipment sends, the Physical Broadcast Channel that described System Frame Number time difference information is sent according to described neighbor cell by described subscriber equipment is determined to obtain the time of advent according to subframe in the described system-frame of self record simultaneously System Frame Number time of advent.
5. method according to claim 1 is characterized in that, if described location measurement information comprises Timing Advance information, the described location measurement information of obtaining comprises:
Receive the Timing Advance information that described neighbor cell sends, described Timing Advance information is obtained in described subscriber equipment handoff procedure by described neighbor cell.
6. the method for a subscriber equipment location is characterized in that, comprising:
Position negotiation with neighbor cell, determine the time of proprietary random access guiding and this proprietary random access guiding of transmission;
Send the location survey order to subscriber equipment;
Receive location measurement information, described location measurement information comprises the temporal information that described subscriber equipment sends described proprietary random access guiding that receives that described neighbor cell determines, described subscriber equipment sends described random access guiding in the time of described this proprietary random access guiding of transmission;
According to described location measurement information, described subscriber equipment is positioned.
7. a communicator is characterized in that, comprising:
Transmitting element is used for sending the location survey order to subscriber equipment;
Acquiring unit is used to obtain location measurement information, and described location measurement information comprises Timing Advance information, perhaps the System Frame Number time difference information;
Positioning unit is used for the location measurement information according to described acquiring unit acquisition, and described subscriber equipment is positioned.
8. communicator according to claim 8, it is characterized in that, described acquiring unit comprises first receiving element, be used to receive the Timing Advance information that described subscriber equipment sends, described Timing Advance information sends random access guiding by described subscriber equipment to cell-of-origin and neighbor cell, and described cell-of-origin and neighbor cell are determined after receiving described random access guiding and sent to described subscriber equipment.
9. communicator according to claim 9 is characterized in that, described communicator also comprises:
Negotiation element is used for positioning negotiation with neighbor cell, determines random access guiding, and described random access guiding is proprietary random access guiding.
10. communicator according to claim 8, it is characterized in that, described acquiring unit comprises second receiving element, be used to receive the System Frame Number time difference information that described subscriber equipment sends, the Physical Broadcast Channel that described System Frame Number time difference information is sent according to described neighbor cell by described subscriber equipment is determined to obtain the time of advent according to subframe in the described system-frame of self record simultaneously System Frame Number time of advent.
11. communicator according to claim 8, it is characterized in that, described acquiring unit comprises the 3rd receiving element, is used for the Timing Advance information that reception of neighboring cell sends, and described Timing Advance information is obtained in described subscriber equipment handoff procedure by described neighbor cell.
12. a communicator is characterized in that, comprising:
Negotiation element is used for positioning negotiation with neighbor cell, determines the time of proprietary random access guiding and this proprietary random access guiding of transmission;
Transmitting element is used for sending the location survey order to subscriber equipment;
Receiving element, be used to receive location measurement information, described location measurement information comprises the temporal information of the described proprietary random access guiding that receives described subscriber equipment transmission that described neighbor cell is determined, described subscriber equipment sends described random access guiding in the time of described this proprietary random access guiding of transmission;
Positioning unit is used for the location measurement information that receives according to described receiving element, and described subscriber equipment is positioned.
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