CN101998228B - The sending method of locating information and device - Google Patents
The sending method of locating information and device Download PDFInfo
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- CN101998228B CN101998228B CN200910090439.7A CN200910090439A CN101998228B CN 101998228 B CN101998228 B CN 101998228B CN 200910090439 A CN200910090439 A CN 200910090439A CN 101998228 B CN101998228 B CN 101998228B
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Abstract
The invention discloses a kind of sending method of locating information, comprise: base station is to the user terminal just measured because of location, or after the user terminal just obtaining its measurement result makes the judgement of switching, the target BS that locating information sends to described user terminal to switch by described base station.The present invention discloses a kind of dispensing device of locating information, comprising: decision unit, for the user terminal just measured because of location, or the user terminal just obtaining its measurement result makes the judgement of switching; Transmitting element, for the target BS sending to described user terminal to switch described locating information.Locating information is sent to target BS by source base station of the present invention, realizes the location to UE, thus make network side can know the locating information of UE timely and accurately by target BS.
Description
Technical field
The present invention relates to the location technology of user terminal (UE, User Equipment), particularly relate to a kind of sending method and device of locating information.
Background technology
In mobile communication system, UE can to network entity Serving Mobile Location Center (SMLC, ServingMobile Location Center) ask the positional information obtaining oneself, SMLC can select suitable localization method to estimate the position of UE, also can indicate the location of realization to UE, base station, and report SMLC.When being realized locating UE by SMLC, SMLC needs to indicate the current upward signal of base station to UE for UE service to measure, and indicates base station to report corresponding measured value, and SMLC determines according to the positional information of corresponding measured value to UE.When being determined UE position by base station, SMLC realizes positioning UE by location indication information informing base station equally, and base station can by the signal strength signal intensity of terminal measured or signal quality, and estimates the positional information of terminal in conjunction with oneself geographical location information.
When certain is needed to be switched to another one base station (target BS) by the UE located or (not yet switch complete) afterwards, source base station receives the location indication information of SMLC, because source base station sends the switching directive command being switched to Target cell under target BS to target BS, source base station possibly cannot realize the corresponding measurement to this UE upward signal, this positional information that will network side caused cannot to know this UE.
Summary of the invention
In view of this, main purpose of the present invention is the sending method and the device that provide a kind of locating information, locating information is informed to target BS when source base station cannot complete and measure UE in UE handoff procedure, completes the location to UE by target BS.
For achieving the above object, technical scheme of the present invention is achieved in that
A sending method for locating information, comprising:
Base station to the user terminal just measured because of location, or after the user terminal just obtaining its measurement result makes the judgement of switching, the target BS that locating information sends to described user terminal to switch by described base station.
Preferably, described locating information is sent to described target BS by the X2 interface between base station by described base station.
Preferably, described method also comprises:
After described target BS receives described locating information, described user terminal up-link wireless signal is measured or obtains measurement result by radio resource control RRC process from described user terminal, and measurement result is reported to Serving Mobile Location Center SMLC.
Preferably, described locating information comprises location survey amount, or location survey amount and localization method.
A dispensing device for locating information, comprising:
Decision unit, for the user terminal just measured because of location, or the user terminal just obtaining its measurement result makes the judgement of switching; And
Transmitting element, for the target BS sending to described user terminal to switch described locating information.
Preferably, described locating information is sent to described target BS by the X2 interface between base station by described transmitting element.
Preferably, described device also comprises:
Receiving element, for receiving described locating information;
Measuring unit, for after described receiving element receives described locating information, measures described user terminal up-link wireless signal, or indicates described user terminal to measure by RRC process; And
Report unit, for the measurement result of described measuring unit is reported to SMLC.
Preferably, described locating information comprises location survey amount, or location survey amount and localization method.
Source base station is to the user terminal just measured because of location, or after the user terminal just obtaining its measurement result makes the judgement of switching, now due to reason that the signal quality between UE and source base station is poor, source base station probably can not be measured the upward signal of UE more accordingly, thus reporting the positioning measurement result of UE can not be realized again, for this situation, locating information is sent to target BS by source base station of the present invention, realize the location survey to UE by target BS, thus make network side can know the positioning measurement result of UE timely and accurately.
Accompanying drawing explanation
Fig. 1 is the flow chart of the sending method of locating information of the present invention;
Fig. 2 is the composition structural representation of the dispensing device of locating information of the present invention.
Embodiment
Basic thought of the present invention is: source base station is to the user terminal just measured because of location, or after the user terminal just obtaining its measurement result makes the judgement of switching, now due to reason that the signal quality between UE and source base station is poor, source base station probably can not be measured the upward signal of UE more accordingly, thus reporting the positioning measurement result of UE can not be realized again, for this situation, locating information is sent to target BS by source base station of the present invention, the location survey to UE is realized by target BS, thus make network side can know the positioning measurement result of UE timely and accurately.
For making the object, technical solutions and advantages of the present invention clearly understand, by the following examples also with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the flow chart of the sending method of locating information of the present invention, and as shown in Figure 1, the sending method of locating information of the present invention comprises the following steps:
Step 101: user terminal moves to source base station border district, signal strength signal intensity declines, and user terminal is by measuring the adjacent cell of periphery, and report measurement results is to source base station.
Step 102: the Target cell that source base station selects user terminal to switch according to measurement result, and send switching directive command to user terminal, indicating user terminal is switched to Target cell.
Step 103: source base station is after making user terminal switch decision, determine that source base station is just just measured this user terminal, or just obtain corresponding positioning measurement result from this user terminal, then forward locating information to target BS by the X2 interface between base station, the positioning measurement result of this user terminal of feedback is continued in indicating target base station.
In this step, locating information comprises location survey amount, or location survey amount and localization method, the location survey amount in locating information, or location survey amount and localization method are obtained by the SMLC of source base station from network side, and sends to target BS by X2 interface.Locating information in the present invention sends faster, need not turn again and be forwarded by core net; Give target BS because locating information directly sends by source base station, now source base station need not send the failed related news in location to SMLC.And again will send location indication information to target BS by sending the failed related news in location to SMLC, SMLC when if source base station can not realize location survey, this will cause whole position fixing process more numerous and diverse, waste the process resource that network side is more.
Step 104: after target BS receives locating information, the up-link wireless signal of user terminal is measured according to the relevant indication information in locating information, or by wireless heterogeneous networks (RRC, Radio ResourceControl) measurement result of this user terminal of Procedure Acquisition, and report positioning measurement result to SMLC.
The measurement item of target BS measurement user terminal up-link wireless signal comprises at least one item in carrier signal strength instruction, Reference Signal Received Power and Reference Signal Received Quality.Above-mentioned each measurement item is completed by the measuring unit of the correspondence in target BS.Or, the measurement item indicating this user terminal measurement above-mentioned by RRC process, thus obtain wireless signal measurement result from this user terminal, positioning measurement result is reported SMLC by target BS.
Fig. 2 is the composition structural representation of the dispensing device of locating information of the present invention, as shown in Figure 2, the dispensing device of locating information of the present invention comprises decision unit 20 and transmitting element 21, wherein, decision unit 20 is for the user terminal just measured because of location, or the user terminal just obtaining its measurement result makes the judgement of switching; The target BS of transmitting element 21 for sending to described user terminal to switch described locating information.Concrete, described locating information is sent to described target BS by the X2 interface between base station by transmitting element 21.
As shown in Figure 2, the dispensing device of locating information of the present invention also comprises receiving element 22, measuring unit 23 and reports unit 24, and wherein, receiving element 22 is for receiving described locating information; Measuring unit 23, for after receiving element 22 receives described locating information, is measured described user terminal up-link wireless signal, or is indicated described user terminal to measure by RRC process; Report unit 24 for the measurement result of measuring unit 23 is reported to SMLC.Described locating information comprises location survey amount, or location survey amount and localization method.
Those skilled in the art are to be understood that, the dispensing device of the locating information shown in Fig. 2 is sending method for realizing aforesaid locating information and arranges, in device shown in Fig. 2, each processing unit can refer to the method shown in earlier figures 1 and understands, its function realizes by the program run on processor, also realizes by concrete logical circuit.Receiving element 22 shown in Fig. 2, measuring unit 23 and report unit 24 not to realize the essential features of Fig. 2 shown device
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (4)
1. a sending method for locating information, is characterized in that, comprising:
Base station to the user terminal just measured because of location, or after the user terminal just obtaining its measurement result makes the judgement of switching, the target BS that locating information sends to described user terminal to switch by described base station; Described locating information comprises location survey amount, or location survey amount and localization method, and described base station need not send the failed related news in location to Serving Mobile Location Center SMLC, and described locating information is sent to described target BS by the X2 interface between base station by described base station.
2. method according to claim 1, is characterized in that, described method also comprises:
After described target BS receives described locating information, described user terminal up-link wireless signal is measured or obtains measurement result by radio resource control RRC process from described user terminal, and measurement result is reported to Serving Mobile Location Center SMLC.
3. a dispensing device for locating information, is characterized in that, comprising:
Decision unit, for the user terminal just measured because of location, or the user terminal just obtaining its measurement result makes the judgement of switching; And
Transmitting element, for the target BS sending to described user terminal to switch described locating information; Described locating information comprises location survey amount, or location survey amount and localization method, and described transmitting element need not send the failed related news in location to Serving Mobile Location Center SMLC, and described locating information is sent to described target BS by the X2 interface between base station by described transmitting element.
4. device according to claim 3, is characterized in that, described device also comprises:
Receiving element, for receiving described locating information;
Measuring unit, for after described receiving element receives described locating information, measures described user terminal up-link wireless signal, or indicates described user terminal to measure by RRC process; And
Report unit, for the measurement result of described measuring unit is reported to SMLC.
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| CN200910090439.7A CN101998228B (en) | 2009-08-11 | 2009-08-11 | The sending method of locating information and device |
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| CN200910090439.7A CN101998228B (en) | 2009-08-11 | 2009-08-11 | The sending method of locating information and device |
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| CN101998228A CN101998228A (en) | 2011-03-30 |
| CN101998228B true CN101998228B (en) | 2015-10-21 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102892161A (en) * | 2011-07-20 | 2013-01-23 | 华为技术有限公司 | Method and device for positioning user equipment in switching process |
| CN104995973B (en) * | 2013-03-18 | 2020-08-11 | 英特尔公司 | Mobile device positioning system |
| CN104581933A (en) * | 2013-10-22 | 2015-04-29 | 中兴通讯股份有限公司 | Positioning method and device |
| CN110662289B (en) * | 2018-06-28 | 2021-01-15 | 中国电信股份有限公司 | Mobile terminal positioning method, device and system and computer readable storage medium |
| CN114586414B (en) * | 2020-09-29 | 2023-10-03 | 北京小米移动软件有限公司 | Request transmitting method, response information transmitting method, positioning information acquiring method |
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| CN101207905A (en) * | 2006-12-21 | 2008-06-25 | 中兴通讯股份有限公司 | Method and apparatus for switch optimization |
| CN101360338A (en) * | 2008-09-28 | 2009-02-04 | 熊猫电子集团有限公司 | Self-organizing network switch implementing method based on TD-SCDMA |
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| CN101207905A (en) * | 2006-12-21 | 2008-06-25 | 中兴通讯股份有限公司 | Method and apparatus for switch optimization |
| CN101360338A (en) * | 2008-09-28 | 2009-02-04 | 熊猫电子集团有限公司 | Self-organizing network switch implementing method based on TD-SCDMA |
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