CN101035380A - Method for the user plane to enhance the cell positioning - Google Patents
Method for the user plane to enhance the cell positioning Download PDFInfo
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Abstract
This invention disclose a positioning method of enhancing user area, it includes: steps S102, base stations geographic information system Index table which is established based on core network positioning control center for maintaining and administering; Steps S104, positioning control center of core network requests the equipment of user to enhance district positioning measurement so as to strengthen district positioning for the equipment of user; steps S106, in response to the request of core network positioning control center, the equipment of user request wireless network controller to measure related positioning auxiliary information; steps S108, wireless network controller does related measurement operation, and makes the relevant measurement positioning auxiliary information send to the equipment of user; and steps S110, the equipment of user or core network control center relates to area in accordance with the relevant positioning auxiliary information. Through the use of this invention, achieves high accuracy in the district positioning under the network can be changed small, makes up for the deficiencies of the relevant technologies, meets the needs of the user, thereby enhances the experience of the user.
Description
Technical field
The present invention relates to (the Time Division-Synchronous Code Division Multiple Access of TD-SCDMA in the wireless communication technology field, the TD SDMA access) user interface positioning method of system, and particularly, relate to a kind of user's face and strengthen cell positioning method.
Background technology
In recent years, the mobile communication technology development was swift and violent, and particularly digital mobile cellular telecommunication is particularly outstanding.International Telecommunications Union is trying hard to recommend the 3G (Third Generation) Moblie standard, comprise TD-SCDMA, WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)) and CDMA 2000, digital mobile cellular telecommunication possesses wide application prospect because of its unique advantage.
Mobile location service is a business of utilizing the position of subscriber equipment (UE) to carry out, become a kind of characteristic value-added service on the mobile network, commercial value is very big, it is very abundant to use kind, make it extremely attract people's attention in the 3G field owing to the raising of positioning accuracy and the employing of opening architecture, being considered to may be one of representative applications of 3G.
Mobile positioning technique is that the requirement of network based consumer positioning selects specific localization method to obtain the technology of UE positional information.By location technology, the user can realize following function: safe emergency is called out positioning service; Follow the tracks of the location of relevant criminal activity; Individual's positioning service (for example inquiry of service industry such as traffic, lodging information); Intelligent transportation transportation location; The design of Radio Network System and resource management; Be used for the charging (determining the communication cost of some position according to calling rate) of Radio Network System etc.
Usually, can there be following two kinds of implementation methods the location: chain of command location and user's face location.Chain of command location is meant that position fixing process need use wireless and dedicated signaling path core net, i.e. RNC (Radio Network Controller, radio network controller), and Node B will participate in the positioning control signaling process in the position fixing process; And under user's face locate mode, mobile communication equipment uses the IP link to communicate with location-server, existing mobile communications network infrastructure is remained unchanged, be that position fixing process is a PS territory service access for RNC and NodeB, all positioning control signalings and measurement data are directly mutual between the locating control center of core net and UE, RNC mainly plays the effect of transmission bearer, and does not participate in the detailed process of location Calculation.
In the TD-SCDMA system, localization method mainly contains three kinds: based on Cell ID (Cellidentity, cell ID) cell positioning method, OTDOA (Observed TimeDifference Of Arrival, arrive observed time difference) method and AGPS (AssistedGlobal Positioning System, agps system) method.
Based on the localization method of Cell ID is to utilize the coverage of sub-district to describe the geographical position of UE, and precision is very low, according to the different UE geographical position scopes that can determine of cell coverage area also difference.Generally speaking, adopting such localization method locating accuracy scope is 100m～20km.
The OTDOA location can provide the positioning accuracy higher than cell localization, its positioning accuracy can reach 50m～500m, but because the OTDOA location needs at least three base stations to be measured and could be realized, therefore under the situation that base station distribution quantity is few in some network area, can't adopt the OTDOA method to realize the location.
Enhancing property cell localization is on the basis of cell localization, increases other measurement means, is a kind of localization method higher than cell localization precision, can solve the OTDOA location simultaneously and can't realize the situation of locating in some cases.The cell localization that strengthens comprises AOA (Angle Of Arrival, arrive angle) location and Cell ID+TA (Time Advance, Timing Advance) location, these two kinds of location can be easy to realize under the chain of command locate mode, this be because, RNC (Radio Network Controller, radio network controller) can initiate Iub mouth special measuring controlling message, with the be correlated with AOA information measurement of UE of request Node B, i.e. the position that can determine UE according to the geographical position and the AOA information of base station.Equally, Cell ID+TA mode also is easy to realize under the chain of command mode, this be because, RNC sends the Uu mouth and measures control messages request UE and carry out TA and measure, and is uploaded to RNC after UE measures, and RNC is by be correlated with RTD (the Rx Time Deviation of UE of Iub mouth special measuring controlling message request NodeB, time of reception is poor) measure, after RNC receives measurement report,, promptly can calculate the position of UE in conjunction with Node B geographical position and TA, the RTD of sub-district.
Yet regrettably, the cell positioning method of enhancing adopts the technology of user's face location can't realize that at present its main cause is, UE can't obtain AOA measured value and RTD measured value, and can only obtain the TA measured value, but when having only the TA measured value, positioning accuracy can reduce.
Summary of the invention
Consider the problems referred to above that exist in the correlation technique and make the present invention that for this reason, the present invention aims to provide a kind of user's face and strengthens the cell localization scheme.
According to embodiments of the invention, provide a kind of user's face to strengthen cell positioning method.
This method comprises following processing: step S102, and the oam system of core network positioning control center sets up base station geography information concordance list; Step S104, core network positioning control center request subscriber equipment strengthen cell localization and measure, so that subscriber equipment is strengthened cell localization; Step S106, in response to request of core network positioning control center, the user equipment requests radio network controller is measured related positioning auxiliary; Step S108, radio network controller carry out the measurement of correlation operation, and the related positioning auxiliary of measuring is sent to subscriber equipment; And step S110, subscriber equipment or core network positioning control center are carried out cell localization according to related positioning auxiliary.
Wherein, above-mentioned related positioning auxiliary comprise following one of at least: arrive angle, time of reception is poor and Timing Advance.
In step S106, subscriber equipment starts the Timing Advance of this side simultaneously and measures, and measure control request signaling request wireless network controller by the Uu mouth and measure related positioning auxiliary, correspondingly, in step S108, radio network controller sends to subscriber equipment by Uu mouth down-run survey report manner with related positioning auxiliary.
Step S108 may further include: step S108-1, and in response to the request of subscriber equipment, radio network controller requesting node B arrives angle and/or time of reception difference measurements; Step S108-2, Node B reports radio network controller with measurement result after finishing the measurement that arrives angle and/or time of reception difference; And step S108-3, arrival angle and/or time of reception difference that radio network controller is measured Node B send to subscriber equipment.
In said method, core net control centre or subscriber equipment can pre-determine or consult whether carry out cell localization in user equipment side and calculate.
Wherein, cell localization in the cell localization process is calculated under the situation that user equipment side is carried out, between step S104 and step S106, further comprise following processing: subscriber equipment sends to core network positioning control center with radio network controller identifier and cell ID; Core network positioning control center is carried out index according to radio network controller identifier and cell ID to base station geography information concordance list, to obtain the relevant base station geography information; And core network positioning control center sends to subscriber equipment with the base station geography information of obtaining.
In this case, step S110 further comprises following processing: the base station geography information that subscriber equipment provides in step S104 according to core network positioning control center, and carry out cell localization according to the Timing Advance that arrival angle, time of reception are poor and user equipment side is measured that radio network controller sends and calculate in step S108 in step S106, so that self is carried out cell localization; And subscriber equipment reports core network positioning control center with the result of cell localization.
On the other hand, cell localization in the cell localization process is calculated under the situation that core-network side is carried out, step S110 further comprises: step S110-1, subscriber equipment will arrive angle and/or time of reception is poor, Timing Advance and radio network controller identifier and cell identity information report core network positioning control center; And step S110-2, core network positioning control center is carried out index according to radio network controller identifier and cell ID to base station geography information concordance list, to obtain the relevant base station geography information, and according to the arrival angle that reports and/or time of reception is poor, Timing Advance carries out cell localization and calculates, so that subscriber equipment is carried out cell localization.
Wherein, in step S110-1, subscriber equipment passes through the user face data mode to the core network positioning control center reporting information.
By technique scheme of the present invention, can realize high-precision enhancing cell localization at user's face under to the less prerequisite of the change of network, remedied the defective in the correlation technique, satisfy user's demand, thereby improved user experience.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart that strengthens cell positioning method according to user's face of the embodiment of the invention;
Fig. 2 is the schematic diagram that strengthens the example of cell positioning method according to user's face of the embodiment of the invention; And
Fig. 3 strengthens the cell positioning method flow chart of the specific implementation of example shown in figure 2 according to user's face of the embodiment of the invention.
Embodiment
Generally speaking, the invention provides a kind of user's face and strengthen cell positioning method, by increasing at the Uu mouth or the relevant signaling of modification, make UE obtain related positioning auxiliary (promptly by RNC, AOA, TA and RTD measurement result), afterwards, UE can calculate the position of self, perhaps positioning auxiliary information is reported to core network positioning control center, realize the location of UE by core network positioning control center with the business datum load mode.This method is applicable to distributed system and integrated system.
Below with reference to accompanying drawing embodiments of the invention are described, it should be noted that provide following examples with provide to of the present invention comprehensively and thorough, rather than the present invention carried out any restriction.
In the present embodiment, provide a kind of user's face to strengthen cell positioning method.
As shown in Figure 1, the user's face enhancing cell positioning method according to present embodiment comprises following processing:
Step S102, the oam system of core network positioning control center sets up base station geography information concordance list;
Step S104, core network positioning control center request subscriber equipment (UE) strengthen cell localization and measure, so that UE is strengthened cell localization;
Step S106, in response to request of core network positioning control center, UE request wireless network controller (RNC) is measured related positioning auxiliary (can comprise following one of at least: arrive angle (AOA), time of reception poor (RTD) and Timing Advance (TA)), and the TA that starts this side simultaneously measures; Preferably, UE measures control request signaling request RNC by the Uu mouth and measures related positioning auxiliary;
Step S108, RNC carry out the measurement of correlation operation, and the related positioning auxiliary of measuring is sent to UE; Preferably, RNC sends to UE by Uu mouth down-run survey report manner with related positioning auxiliary;
Step S110, UE or core network positioning control center are carried out cell localization according to related positioning auxiliary.
At this moment, step S108 may further include: step S108-1, and in response to the request of UE, RNC request Node B carries out AOA and/or RTD measures; Step S108-2, Node B reports RNC with measurement result after finishing the measurement of AOA and/or RTD; And step S108-3, RNC sends to UE with AOA and/or the RTD that Node B measures.
Wherein, core net control centre or UE can pre-determine or consult whether to carry out cell localization calculating in the UE side.
On the one hand, cell localization in the cell localization process is calculated under the situation that the UE side is carried out, between step S104 and step S106, may further include following processing: UE RNC sign (RNC ID) and cell ID (Cell ID) are sent to core network positioning control center; Core network positioning control center is carried out index according to RNC ID and Cell ID to base station geography information concordance list, to obtain the relevant base station geography information; Core network positioning control center sends to UE with the base station geography information of obtaining.
At this moment, step S110 further comprises the base station geography information that following processing: UE provides in step S104 according to core network positioning control center, and the TA that measures in step S106 of the AOA that sends in step S108 according to radio network controller and/or RTD and user equipment side carries out cell localization and calculates, so that self is carried out cell localization; And UE reports core network positioning control center with the result of cell localization.
On the other hand, cell localization in the cell localization process is calculated under the situation that core-network side is carried out, step S110 further comprises: step S110-1, and UE reports core network positioning control center with related positioning auxiliary (AOA and/or RTD, TA) and RNC ID and Cell id information; Step S110-2, core network positioning control center is carried out index according to RNC ID and Cell ID to base station geography information concordance list, to obtain the relevant base station geography information, and carry out cell localization according to the related positioning auxiliary that reports (AOA and/or RTD, TA) and calculate, so that UE is carried out cell localization.
Preferably, in step S110-1, UE passes through the user face data mode to the core network positioning control center reporting information.
The user's face that only is the embodiment of the invention provides described above strengthens the quick-reading flow sheets of cell localization, below, will further describe the detailed process of this method in conjunction with instantiation.
As shown in Figure 2, be set as follows scene:
RNC ID 1001 management Node B1 and two base stations of Node B2:
NodeB1 control under the Cell ID 101, frequency: 2010.8M, scrambler: 5;
NodeB2 control under the Cell ID 102, frequency: 2012.4M, scrambler: 10;
And the cell neighboring relation by two sub-districts of the network planning.
Wherein, sub-district Cell ID 101 resident UE insert PS territory 32K interactive class positioning service.
Under above scene, the handling process of above-mentioned user's face enhancing cell positioning method is shown in Figure 3.
As shown in Figure 3, specifically can may further comprise the steps:
| Cell ID (RNC ID+Cell ID) | Positioning auxiliary information |
| 1001+101 | Node B1 geography information |
| 1001+102 | Node B2 geography information |
Table 1
If finish location Calculation by the UE side, then core network positioning control center is carried out index (mode according to RND ID+Cell ID is carried out index) according to RNC ID and the CellID his-and-hers watches 1 that UE provides, obtaining the geography information of Node B1, and in request message, comprise the geography information of RND ID 1001+Cell ID 101 sign Node B1;
On the one hand, calculate under the situation that user equipment side is carried out execution in step S370 and step S380 when cell localization:
On the other hand, when cell localization is calculated under the situation that user equipment side is carried out, execution in step 390, the geographical position of the current area that UE provides according to core network positioning control center reports core net control centre after calculating oneself positional information voluntarily.
In sum, strengthen cell positioning method according to user's face of the present invention and pass through to increase or the relevant signaling of modification, make UE pass through this signaling and can initiatively ask relevant base station AOA of persistent district and RTD measured value to RNC at the Uu mouth; UE after obtaining correlation measure, UE oneself calculate oneself the position or report core net positioning service control centre; The Operation ﹠ Maintenance System management of base station geographical location information of core network positioning control center, index is carried out according to RNC ID+Cell ID in these base stations, obtains the serving BS geography information, calculates the geographical position of UE again in conjunction with AOA, RTD and TA measured value.
By means of technical scheme of the present invention, can carry out network under the prerequisite of very little change, realize high-precision enhancing cell localization at user's face, remedied the defective in the correlation technique, satisfied user's demand.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. user's face strengthens cell positioning method, it is characterized in that, comprising:
Step S102, the oam system of core network positioning control center sets up base station geography information concordance list;
Step S104, described core network positioning control center request subscriber equipment strengthen cell localization and measure, so that described subscriber equipment is strengthened cell localization;
Step S106, in response to described request of core network positioning control center, described user equipment requests radio network controller is measured related positioning auxiliary;
Step S108, described radio network controller carry out the measurement of correlation operation, and the described related positioning auxiliary that will measure sends to described subscriber equipment; And
Step S110, described subscriber equipment or described core network positioning control center are carried out cell localization according to described related positioning auxiliary.
2. user's face according to claim 1 strengthens cell positioning method, it is characterized in that, described related positioning auxiliary comprise following one of at least: arrive angle, time of reception is poor and Timing Advance.
3. user's face according to claim 2 strengthens cell positioning method, it is characterized in that in described step S106, described subscriber equipment is also measured at user equipment side lead start-up time.
4. user's face according to claim 3 strengthens cell positioning method, it is characterized in that, in described step S106, described subscriber equipment is measured the described radio network controller of control request signaling request by the Uu mouth and measured described related positioning auxiliary.
5. user's face according to claim 4 strengthens cell positioning method, it is characterized in that in described step S108, described radio network controller sends to described subscriber equipment by Uu mouth down-run survey report manner with described related positioning auxiliary.
6. user's face according to claim 4 strengthens cell positioning method, it is characterized in that described step S108 further comprises:
Step S108-1, in response to the request of described subscriber equipment, described radio network controller requesting node B carries out described arrival angle and/or described time of reception difference measurements;
Step S108-2, described Node B reports described radio network controller with measurement result after finishing the measurement of described arrival angle and/or described time of reception difference; And
Step S108-3, described arrival angle and/or described time of reception difference that described radio network controller is measured described Node B send to described subscriber equipment.
7. user's face according to claim 6 strengthens cell positioning method, it is characterized in that, cell localization in the cell localization process is calculated under the situation that user equipment side is carried out, and between described step S104 and described step S106, further comprises following processing:
Described subscriber equipment sends to described core network positioning control center with radio network controller identifier and cell ID;
Described core network positioning control center is carried out index according to described radio network controller identifier and described cell ID to described base station geography information concordance list, to obtain the relevant base station geography information; And
The described base station geography information that described core network positioning control center will be obtained sends to described subscriber equipment.
8. user's face according to claim 7 strengthens cell positioning method, it is characterized in that described step S110 further comprises following processing:
The described base station geography information that described subscriber equipment provides in described step S104 according to described core network positioning control center, and the described arrival angle that sends in described step S108 according to described radio network controller and/or time of reception is poor and user equipment side is measured in described step S106 described Timing Advance carry out cell localization and calculate, so that self is carried out cell localization; And
Described subscriber equipment reports described core network positioning control center with the result of cell localization.
9. user's face according to claim 6 strengthens cell positioning method, it is characterized in that, the cell localization in the cell localization process is calculated under the situation that core-network side is carried out, and described step S110 further comprises:
Step S110-1, described subscriber equipment reports described core network positioning control center with described arrival angle and/or poor, the described Timing Advance of described time of reception and radio network controller identifier and cell identity information; And
Step S110-2, described core network positioning control center is carried out index according to described radio network controller identifier and described cell ID to described base station geography information concordance list, to obtain the relevant base station geography information, and carry out cell localization according to the described arrival angle that reports and/or poor, the described Timing Advance of described time of reception and calculate, so that described subscriber equipment is carried out cell localization.
10. user's face according to claim 9 strengthens cell positioning method, it is characterized in that, in described step S110-1, described subscriber equipment passes through the user face data mode to described core network positioning control center reporting information.
11. strengthen cell positioning method, it is characterized in that described core network positioning control center or described subscriber equipment pre-determine or consult whether carry out cell localization in described user equipment side and calculate according to each described user's face in the claim 7 to 10.
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| CN2007100911828A CN101035380B (en) | 2007-04-12 | 2007-04-12 | Method for the user plane to enhance the cell positioning |
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| WO2010145559A1 (en) * | 2009-06-18 | 2010-12-23 | 华为技术有限公司 | Method and device for configuring location assistance data of user equipment |
| CN101938830A (en) * | 2009-06-29 | 2011-01-05 | 大唐移动通信设备有限公司 | Positioning method and device |
| CN101990298A (en) * | 2009-08-06 | 2011-03-23 | 大唐移动通信设备有限公司 | Terminal positioning method, system and device |
| CN101527960B (en) * | 2008-03-04 | 2011-05-25 | 三星电子株式会社 | Method for positioning user based on Home NodeB adjacent macro cell message or IP address thereof |
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| CN101128065B (en) * | 2007-09-29 | 2011-12-07 | 中兴通讯股份有限公司 | User positioning method and system |
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| US9743377B2 (en) | 2009-09-29 | 2017-08-22 | China Academy Of Telecommunications Technology | Method, system and apparatus for acquiring cell location information |
| WO2011060720A1 (en) * | 2009-11-17 | 2011-05-26 | Mediatek Inc. | Network-based positioning mechanism and reference signal design in ofdma systems |
| CN102265687A (en) * | 2009-11-17 | 2011-11-30 | 联发科技股份有限公司 | Network-Based Positioning Method and Reference Signal Design in OFDMA System |
| US9301180B2 (en) | 2010-02-12 | 2016-03-29 | Blackberry Limited | Methods and apparatus to perform measurements |
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| CN101035380B (en) | 2012-02-08 |
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