CN102143577A - Location method and base station controller - Google Patents
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Abstract
The invention discloses a location method and a base station controller and belongs to the field of location. The method comprises the following steps of: receiving a location request message sent by a mobile switching center (MSC) by the base station controller (BSC); acquiring an uplink time difference of arrival (U-TDOA) location type indication; selecting a base transceiver station (BTS)/ a location measure unit (LMU) for a time of arrival (TOA) measurement required for U-TDOA location; sending a TOA measurement-executing massage to the selected BTS/LMU so that the selected BTS/LMU measures a target terminal to obtain a measuring result and returns the measuring result; receiving the measuring result returned by the selected BTS/LMU; performing a location computation according to the measuring result to obtain position information of the target terminal; and sending a location response message to the MSC, wherein the location response message carries the position information of the target terminal. The device comprises a receiving module, an acquiring and selecting module, a first sending module, a computing module and a second sending module. By the scheme, a serving mobile location center (SMLC) is not required to take part in location and the BSC can control whether to use the U-TDOA location method.
Description
Technical field
The present invention relates to positioning field, particularly a kind of localization method and base station controller.
Background technology
Positioning service can provide the positioning service of different service quality for the user, and as the plane or the information such as three-dimensional position, speed of target terminal, its precision maximum can reach horizontal 10 meters, vertical 5 meters, can help operator to dispose location-based value-added service.
A kind of U-TDOA (Uplink Time Difference ofArrival, up arrival time difference) localization method is arranged at present, and this method may further comprise the steps:
BSC (Base Station Controller, base station controller) receives MSC (Mobile SwitchingCenter, mobile switching centre) after the Location Request, sends Location Request to SMLC (Serving Mo bile Location Center, Serving Mobile Location Center).If judging, SMLC use the U-TDOA mode to position, then send the U-TDOA request message to BSC, request is carried out the U-TDOA location to target terminal, BSC responds this request message, return the U-TDOA response message and give SMLC, response message comprises information such as the physical channel, TA (Timing Advance, Timing Advance), target terminal power, cell ID, encryption of current MS.According to above-mentioned information, the LMU (Location Measure Unit, Location Measurement Unit) that the selected U-TDOA of the participation required participation TOA in location of SMLC (Time of Arrival, the time of advent) measures, and transmission is carried out TOA message to these LMU.LMU finishes measurement, and measurement result is reported SMLC.After SMLC gathers, carry out corresponding location Calculation according to measurement result and obtain target terminal position information.SMLC sends to BSC with target terminal position information, and BSC sends to MSC with target terminal position information again.
In sum, whether prior art adopts the U-TDOA localization method by the SMLC decision, when SMLC is third party device, can't whether adopt the U-TDOA localization method by BSC control.
Summary of the invention
When being third party device in order to solve SMLC, the uncontrollable problem that whether adopts the U-TDOA localization method of BSC, the embodiment of the invention provides a kind of localization method and base station controller.
This technical scheme is as follows:
A kind of localization method, described method comprises:
Base station controller BSC receives the locating request message that moving exchanging center MSC sends;
Described BSC obtains up arrival time difference U-TDOA align_type indication, and selected U-TDOA locatees required participation and arrives the base transceiver station BTS/ Location Measurement Unit LMU that time T OA measures;
Described BSC sends and carries out TOA measurement message to described selected BTS/LMU, makes described selected BTS/LMU measure measurement result and return described measurement result at target terminal;
Described BSC receives the measurement result that described selected BTS/LMU returns, and positions the described target terminal position information that calculates according to described measurement result;
Described BSC sends location response message to described MSC, and described location response message is carried described target terminal position information.
A kind of base station controller, described base station controller comprises:
Receiver module is used to receive the locating request message that moving exchanging center MSC sends;
Obtain and chosen module, be used to obtain up arrival time difference U-TDOA align_type indication, selected U-TDOA locatees required participation and arrives the base transceiver station BTS/ Location Measurement Unit LMU that time T OA measures;
First sending module is used for sending and carries out TOA measurement message to described selected BTS/LMU, makes described selected BTS/LMU measure measurement result and return described measurement result at target terminal;
Computing module is used to receive the measurement result that described selected BTS/LMU returns, and positions the described target terminal position information that calculates according to described measurement result;
Second sending module is used to send location response message to described MSC, and described location response message is carried described target terminal position information.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
Receive the locating request message of MSC transmission by BSC after, obtain the indication of U-TDOA align_type, the BTS/LMU that the required participation in selected U-TDOA location TOA measures, and send execution TOA measurement message to selected BTS/LMU, it is measured and the return measurement result target terminal, BSC positions the target terminal position information that calculates according to measurement result again, need not participate in the location by SMLC, and BSC can control whether adopt the U-TDOA localization method.
Description of drawings
Fig. 1 is the localization method flow chart that provides in the embodiment of the invention 1;
Fig. 2 is the location method information interaction figure that provides in the embodiment of the invention 2;
Fig. 3 is another information interaction of the localization method figure that provides in the embodiment of the invention 2;
Fig. 4 is the base station controller schematic diagram that provides in the embodiment of the invention 3.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment 1
Referring to Fig. 1, present embodiment provides a kind of localization method, comprising:
101:BSC receives the locating request message that moving exchanging center MSC sends;
102:BSC obtains up arrival time difference U-TDOA align_type indication, and selected U-TDOA locatees required participation and arrives BTS (Base Transceiver Station, base transceiver station)/Location Measurement Unit LMU that time T OA measures;
103:BSC sends and carries out TOA measurement message to selected BTS/LMU, makes selected BTS/LMU measure measurement result and return measurement result at target terminal;
104:BSC receives the measurement result that selected BTS/LMU returns, and positions the target terminal position information that calculates according to measurement result;
105:BSC sends location response message to MSC, and location response message is carried target terminal position information.
After present embodiment receives the locating request message of MSC transmission by BSC, obtain the indication of U-TDOA align_type, the BTS/LMU that the required participation in selected U-TDOA location TOA measures, and send execution TOA measurement message to selected BTS/LMU, it is measured and the return measurement result target terminal, BSC positions the target terminal position information that calculates according to measurement result again, need not participate in the location by SMLC, and BSC can control whether adopt the U-TDOA localization method.
Embodiment 2
Present embodiment provides a kind of localization method, comprising:
201:MSC sends locating request message to a BSC, to start positioning flow;
Wherein, locating request message can be BSSAP-LE (Base Station System ApplicationLocation Services Extension, Base Station System Application Part positioning service expansion) Perform LocationRequest (Location Request) message.
Wherein, a BSC is the BSC among the embodiment 1.
BSC obtained the indication of U-TDOA align_type in 202: the one, the BTS/LMU that the required participation in selected U-TDOA location TOA measures;
Concrete, BSC obtains the indication of U-TDOA align_type and has two kinds of implementations at least:
First kind, set in advance the configuration parameter of BSC, it is the U-TDOA align_type that the acquiescence locate mode can be set;
Second kind, pass the indication of U-TDOA align_type by the A oral instructions, promptly carry the indication of U-TDOA align_type in the Location Request that MSC sends, BSC obtains the U-TDOA align_type from Location Request.For example, the indication of the Location Type (align_type) in the Location Request U-TDOA, i.e. Location Type=00000110U-TDOA.
Wherein, BTS/LMU represents BTS or LMU, and selected BTS/LMU has 2 at least.
The BTS/LMU that the one BSC required participation in selected U-TDOA location TOA measures specifically comprises:
The one BSC disposes the sub-district and participates in the BTS/LMU tabulation that TOA measures, as shown in table 1, the terminal iidentification (as IMSI) or the cell ID that carry in according to locating request message as a BSC get access to the current sub-district that needs the target terminal place of location, then get access to according to the cell name of this sub-district or index and participate in the BTS/LMU that TOA measures.
Table 1
| Cell name or index | The BTS/LMU that TOA measures | Affiliated BSC |
| Cell-1 | BTS-1 | The one BSC |
| Cell-2 | BTS-2 | The one BSC |
| Cell-3 | LMU-1 | The one BSC |
| Cell-4 | BTS-3 | The 2nd BSC |
| Cell-5 | BTS-1 | The 2nd BSC |
| ...... | ...... | ...... |
203: the one BSC send Perform (execution) TOA and measure message to selected BTS/LMU;
Concrete, according to the controlled entity under the selected BTS/LMU, a BSC sends execution TOA measurement message has two kinds of implementations to selected BTS/LMU:
First kind of 203a, referring to Fig. 2, if the controlled entity under the selected BTS/LMU is a BSC, then a BSC directly sends TOA and measures message to selected BTS/LMU;
Second kind of 203b, referring to Fig. 3, if the controlled entity under the selected BTS/LMU is the 2nd BSC except that a BSC, then by no interface channel, the one BSC sends the first connectionless information CONNECTIONLESS INFORMATION to MSC, MSC transmits first connectionless information by the 2nd BSC and gives selected BTS/LMU, carries in first connectionless information and carries out TOA measurement message.
204: selected BTS/LMU measures at target terminal, obtains measurement result;
Wherein, target terminal can be MS (Mobile Station, a travelling carriage), and measure content and comprise: the plane of target MS or information such as three-dimensional position, speed, present embodiment does not limit.
Concrete, BTS/LMU measures the channel resource information that target terminal distributed of carrying in the message according to carrying out TOA, be selected in the carrier wave more than or two under this BTS/LMU, with these carrier waves be tuned to frequency points corresponding, carrying out the upward signal that TOA measures the beginning Measuring Time point beginning receiving target terminal of message appointment, calculate the upward signal point time of advent, i.e. measurement result.
205: selected BTS/LMU reports a BSC with measurement result;
Corresponding with step 203, according to the controlled entity under the selected BTS/LMU, selected BTS/LMU reports a BSC with measurement result two kinds of implementations:
First kind of 205a, corresponding with 203a, if the controlled entity under the selected BTS/LMU is a BSC, then selected BTS/LMU directly reports measurement result the one BSC;
Second kind of 205b, corresponding with 203b, if the controlled entity under the selected BTS/LMU is the 2nd BSC except that a BSC, then by no interface channel, selected BTS/LMU sends the second connectionless information CONNECTIONLESS INFORMATION to MSC by the 2nd BSC, MSC transmits second connectionless information and gives a BSC, carries measurement result in second connectionless information.
BSC positioned calculating according to measurement result in 206: the one, obtained target terminal position information;
Concrete, in twos difference between the measurement result that a BSC can report according to selected BTS/LMU uses the hyperbola scheduling algorithm to calculate target terminal position information.As, per two differences constitute a Hyperbolic Equation, and the intersection point that two or more Hyperbolic Equations draw is target terminal position.
BSC sent location response message to MSC in 207: the one, and location response message is carried target terminal position information;
Wherein, location response message can be BSSAP-LE (Base Station System ApplicationLocation Services Extension, Base Station System Application Part positioning service expansion) Perform LocationResponse (location response) message.
In addition, a BSC and the 2nd BSC also can establish interface channel, are used to transmit the relevant signaling in above-mentioned location.
After present embodiment receives the locating request message of MSC transmission by BSC, obtain the indication of U-TDOA align_type, the BTS/LMU that the required participation in selected U-TDOA location TOA measures, and send execution TOA measurement message to selected BTS/LMU, it is measured and the return measurement result target terminal, BSC positions the target terminal position information that calculates according to measurement result again, need not participate in the location by SMLC, and BSC can control whether adopt the U-TDOA localization method.
Embodiment 3
Referring to Fig. 4, present embodiment provides a kind of base station controller, comprising:
Receiver module 301 is used to receive the locating request message that moving exchanging center MSC sends;
Obtain and chosen module 302, be used to obtain up arrival time difference U-TDOA align_type indication, selected U-TDOA locatees required participation and arrives the base transceiver station BTS/ Location Measurement Unit LMU that time T OA measures;
First sending module 303 is used for sending and carries out TOA measurement message to selected BTS/LMU, makes selected BTS/LMU measure measurement result and return measurement result at target terminal;
Computing module 304 is used to receive the measurement result that selected BTS/LMU returns, and positions the target terminal position information that calculates according to measurement result;
Second sending module 305 is used to send location response message to MSC, and location response message is carried target terminal position information.
Wherein, obtain with chosen module 302 and comprise:
Acquiring unit is used for obtaining the indication of U-TDOA align_type from locating request message; Perhaps, be used for obtaining the indication of U-TDOA align_type from the acquiescence locate mode of self configuration parameter;
Selected unit is used for selected U-TDOA and locatees the base transceiver station BTS/ Location Measurement Unit LMU that required participation arrives time T OA measurement.
Wherein, first sending module 303 comprises: first transmitting element or second transmitting element;
First transmitting element if the controlled entity that is used under the selected BTS/LMU is a base station controller, directly sends and carries out TOA measurement message to selected BTS/LMU;
Second transmitting element, if the controlled entity that is used under the selected BTS/LMU is the 2nd BSC except that base station controller BSC, BSC sends first connectionless information to MSC, make MSC pass through the 2nd BSC and transmit first connectionless information to selected BTS/LMU, first connectionless information carries carries out TOA measurement message.
Wherein, computing module 304 comprises receiving element and computing unit;
Receiving element, if the controlled entity that is used under the selected BTS/LMU is BSC, BSC directly receives the measurement result that selected BTS/LMU returns; Perhaps, if the controlled entity under the selected BTS/LMU is the 2nd BSC except that BSC, BSC receives second connectionless information that MSC transmits, and two connectionless informations are that selected BTS/LMU sends to MSC by the 2nd BSC, and two connectionless informations carry measurement result;
Computing unit is used for positioning the target terminal position information that calculates according to measurement result.
The BSC that present embodiment provides, with the BSC of embodiment 1, and the BSC of embodiment 2 belongs to same design, and its specific implementation process sees method embodiment for details, repeats no more here.
After present embodiment receives the locating request message of MSC transmission by BSC, obtain the indication of U-TDOA align_type, the BTS/LMU that the required participation in selected U-TDOA location TOA measures, and send execution TOA measurement message to selected BTS/LMU, it is measured and the return measurement result target terminal, BSC positions the target terminal position information that calculates according to measurement result again, need not participate in the location by SMLC, and BSC can control whether adopt the U-TDOA localization method.
All or part of content in the technical scheme that above embodiment provides can realize that its software program is stored in the storage medium that can read by software programming, storage medium for example: the hard disk in the computer, CD or floppy disk.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a localization method is characterized in that, described method comprises:
Base station controller BSC receives the locating request message that moving exchanging center MSC sends;
Described BSC obtains up arrival time difference U-TDOA align_type indication, and selected U-TDOA locatees required participation and arrives the base transceiver station BTS/ Location Measurement Unit LMU that time T OA measures;
Described BSC sends and carries out TOA measurement message to described selected BTS/LMU, makes described selected BTS/LMU measure measurement result and return described measurement result at target terminal;
Described BSC receives the measurement result that described selected BTS/LMU returns, and positions the described target terminal position information that calculates according to described measurement result;
Described BSC sends location response message to described MSC, and described location response message is carried described target terminal position information.
2. localization method according to claim 1 is characterized in that, described BSC obtains up arrival time difference U-TDOA align_type indication and comprises:
Described BSC obtains described U-TDOA align_type indication from described locating request message;
Perhaps, described BSC obtains described U-TDOA align_type indication from the acquiescence locate mode of self configuration parameter.
3. localization method according to claim 1 is characterized in that, described BSC sends execution TOA measurement message and comprises to described selected BTS/LMU:
If the controlled entity under the described selected BTS/LMU is described BSC, described BSC directly sends and carries out TOA measurement message to described selected BTS/LMU;
Perhaps, if the controlled entity under the described selected BTS/LMU is the 2nd BSC except that described BSC, described BSC sends first connectionless information to described MSC, make described MSC transmit described first connectionless information by described the 2nd BSC and give described selected BTS/LMU, described first connectionless information carries described execution TOA and measures message.
4. localization method according to claim 1 is characterized in that, described BSC receives the measurement result that described selected BTS/LMU returns and comprises:
If the controlled entity under the described selected BTS/LMU is described BSC, described BSC directly receives the measurement result that described selected BTS/LMU returns;
Perhaps, if the controlled entity under the described selected BTS/LMU is the 2nd BSC except that described BSC, described BSC receives second connectionless information that described MSC transmits, described two connectionless informations are that described selected BTS/LMU sends to described MSC by described the 2nd BSC, and described two connectionless informations carry described measurement result.
5. a base station controller is characterized in that, described base station controller comprises:
Receiver module is used to receive the locating request message that moving exchanging center MSC sends;
Obtain and chosen module, be used to obtain up arrival time difference U-TDOA align_type indication, selected U-TDOA locatees required participation and arrives the base transceiver station BTS/ Location Measurement Unit LMU that time T OA measures;
First sending module is used for sending and carries out TOA measurement message to described selected BTS/LMU, makes described selected BTS/LMU measure measurement result and return described measurement result at target terminal;
Computing module is used to receive the measurement result that described selected BTS/LMU returns, and positions the described target terminal position information that calculates according to described measurement result;
Second sending module is used to send location response message to described MSC, and described location response message is carried described target terminal position information.
6. base station controller according to claim 5 is characterized in that, described obtaining with chosen module comprises:
Acquiring unit is used for obtaining described U-TDOA align_type indication from described locating request message; Perhaps, be used for obtaining described U-TDOA align_type indication from the acquiescence locate mode of self configuration parameter;
Selected unit is used for selected U-TDOA and locatees the base transceiver station BTS/ Location Measurement Unit LMU that required participation arrives time T OA measurement.
7. base station controller according to claim 5 is characterized in that, described first sending module comprises: first transmitting element or second transmitting element;
Described first transmitting element if the controlled entity that is used under the described selected BTS/LMU is described base station controller, directly sends and carries out TOA measurement message to described selected BTS/LMU;
Described second transmitting element, if the controlled entity that is used under the described selected BTS/LMU is the 2nd BSC except that described base station controller BSC, described BSC sends first connectionless information to described MSC, make described MSC transmit described first connectionless information by described the 2nd BSC and give described selected BTS/LMU, described first connectionless information carries described execution TOA and measures message.
8. base station controller according to claim 5 is characterized in that described computing module comprises receiving element and computing unit;
Described receiving element, if the controlled entity that is used under the described selected BTS/LMU is described BSC, described BSC directly receives the measurement result that described selected BTS/LMU returns; Perhaps, if the controlled entity under the described selected BTS/LMU is the 2nd BSC except that described BSC, described BSC receives second connectionless information that described MSC transmits, described two connectionless informations are that described selected BTS/LMU sends to described MSC by described the 2nd BSC, and described two connectionless informations carry described measurement result;
Described computing unit is used for positioning the described target terminal position information that calculates according to described measurement result.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102573060A (en) * | 2012-02-22 | 2012-07-11 | 电信科学技术研究院 | Method and equipment for transmitting positioning information |
| CN102711036A (en) * | 2012-04-19 | 2012-10-03 | 广东亿迅科技有限公司 | Positioning method, positioning engine and logistics information management system |
| CN103024757A (en) * | 2011-09-22 | 2013-04-03 | 中兴通讯股份有限公司 | LMU (location measurement unit) selection method and LMU selection device |
| WO2021088905A1 (en) * | 2019-11-08 | 2021-05-14 | 大唐移动通信设备有限公司 | Positioning measurement method, terminal and network node |
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| CN103024757A (en) * | 2011-09-22 | 2013-04-03 | 中兴通讯股份有限公司 | LMU (location measurement unit) selection method and LMU selection device |
| CN103024757B (en) * | 2011-09-22 | 2017-08-08 | 中兴通讯股份有限公司 | LMU systems of selection and device |
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| WO2021088905A1 (en) * | 2019-11-08 | 2021-05-14 | 大唐移动通信设备有限公司 | Positioning measurement method, terminal and network node |
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Effective date of registration: 20171212 Address after: 225327 Mingzhu Avenue, Yongan Town, Taizhou City, Jiangsu Province, No. 108 Patentee after: Wei Liqiang Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: Huawei Technologies Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CB03 | Change of inventor or designer information | ||
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Inventor after: Guo Shuzhen Inventor before: Weng Wulin |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20171221 Address after: Wan Zhuang Langfang city of Hebei province oil base 065006 Guangyang District Wanchun Garden East 3 Building 1 unit 7 room Patentee after: Guo Shuzhen Address before: 225327 Mingzhu Avenue, Yongan Town, Taizhou City, Jiangsu Province, No. 108 Patentee before: Wei Liqiang |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20140813 Termination date: 20171203 |