CN102036324A - Method and device for processing locating information - Google Patents
Method and device for processing locating information Download PDFInfo
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- CN102036324A CN102036324A CN2009101741664A CN200910174166A CN102036324A CN 102036324 A CN102036324 A CN 102036324A CN 2009101741664 A CN2009101741664 A CN 2009101741664A CN 200910174166 A CN200910174166 A CN 200910174166A CN 102036324 A CN102036324 A CN 102036324A
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Abstract
The invention discloses a method and a device for processing locating information. The method comprises the following step: transmitting a message with the related mark for locating service to a target base station from a source base station when switching to the target base station from the source base station at a terminal so as to report the locating information by the target base station according to the related mark conveniently. Through the invention, the processing flow of MME is reduced, and the efficiency supplied.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of locating information processing method and device.
Background technology
Long Term Evolution (Long Term Evolution, abbreviating LTE as) network is by land radio access web (Evolved Universal Mobile Telecommunications SystemTerrestrial Radio Access Network abbreviates E-UTRAN as) base station (EvolvedNodeB, abbreviate eNB as) and evolution packet switching center (Evolved Packet Core, abbreviate EPC as) form the network flattening.Wherein, E-UTRAN comprises the set of the eNB that is connected by the S1 interface with EPC, can connect by X2 between the eNB.S1, X2 are logic interfacing.An EPC can manage one or more eNB, and a NodeB also can be controlled by a plurality of EPC, and an eNB can manage one or more sub-districts.The LTE-A system is by the LTE system evolved, and the network architecture is consistent with LTE.Simultaneously, there is Operational Management System (Operation And Management abbreviates OAM as) in the network architecture, can operates and manage one or more network element.
On the one hand, operator is in order to reduce operation cost and maintenance cost, and setting up and run a network needs a lot of work, for example, and planning, configuration, optimization, calculating, adjustment, test, guard against false, minimizing failure, self-recovery.On the other hand, the user need simplify the use flow process, for example, base station from home (Home NodeB) equipment, the user buys promptly wish it is a PnP device back home, and one powers on can obtain configuration operation automatically.The trend of next generation mobile networks must be self-configuring, self-optimizing, self adaptation, and human factor is more and more littler to the influence of network, therefore, has proposed the self-organizing network notion, and self-organizing network comprises self-configuring and self-optimizing two aspects.Wherein, self-optimizing comprises: coverage optimization, mobility optimization relate to the detection that covers leak and cover inadequate detection in the coverage optimization; Mobility optimization then needs the various handover event information that take place in the current area are collected and analyzed, and wherein, the location information of terminals when taking place for incident plays an important role to the analysis of above optimization scene.
At present, at the third generation (3rd Generation, abbreviate 3G as) widely used mobile positioning technique has three kinds in the network: based on network cell identification (CELL-ID) but location technology arrives difference (Observed Time Difference of Arrival observing time, abbreviate OTDOA as) global positioning system (Assisted Global Positioning System the abbreviates A-GPS as) location technology of the network assistance that mixes with terminal of location technology, network.
The CELL-ID location technology
Based on network CELL-ID location technology is the simplest a kind of location technology, is applicable to all cellular networks, and need not mobile phone and network are made amendment, and just can provide automatic positioning service to current mobile subscriber.This technology is determined user's position according to ID number of the residing cellular cell of portable terminal, and therefore, its positioning accuracy depends on the size of portable terminal cellular cell radius of living in fully, kilometer does not wait from hundreds of rice to tens.Compare with other technology, this technological investment is less, and the location response time is shorter, and generally in 3s, but its precision is minimum, and error is bigger.
The OTDOA location technology
OTDOA is a kind of locate mode that is applied to 3G network.This location technology is measured the due in (Time ofArrival abbreviates TOA as) of the down-bound pilot frequency signal of different base station and is realized the location by portable terminal, its positioning accuracy is higher, and orientation range is about 100～200m.But stronger to the dependence of time reference, simultaneously, the influence that disturbed by multipath is also bigger.OTDOA location response time ratio CELL-ID is slightly long, approximately wants 10s.This technology need not mobile phone is made amendment and only need be revised network, can directly provide service to existing user.
The A-GPS location technology
A-GPS needs network and portable terminal can both receive GPS information, is a kind of technology that network base station information and GPS information position portable terminal that combines, and can use in 2G and 3G network.The advantage of this technology is mainly on its positioning accuracy, and in open space such as outdoor, its precision can reach 5～10m under the normal operation circumstances, can be rated as the highest a kind of location technology of present positioning accuracy.On the other hand, the supplementary of utilizing network to transmit can strengthen TTFF (Time To First Fix), and its time of catching gps signal first reduces greatly, generally only needs several seconds, and may need 2～3min unlike the capture time first of GPS.The A-GPS location response time is between 3～10s.
Because in present location protocol, long evolving system additional position agreement (TheLTE Positioning Protocol Annex abbreviates LPPa as) is used for carrying the information between eNB and the E-SMLC.Concrete protocol layer architecture as shown in Figure 1.
The function that LPPa need support comprises: supplementary or metrical information pass to the Serving Mobile Location Center (Evolved MobileLocation Center abbreviates E-SMLC as) of evolution under the E-CID locate mode from eNB; Alternatively, under descending OTDOA locate mode from a plurality of base stations gather data.When the locator data at single UE is transmitted, for Mobility Management Entity (Mobile Management Entity, be called for short MME), do not need to resolve LPPa message, only need pass through E-SMLC gets final product, and when MME passes to E-SMLC by the SLs interface, need discern by an associated flag of LCS positioning flow on the SLs interface between MME and the E-SMLC.When E-SMLC sends LPPa message to MME, MME gives eNB with this LPPa forwards, and comprises above-mentioned associated flag.Like this, follow-up eNB can directly be transmitted to E-SMLC by MME according to this associated flag when receiving the relevant localization message of this UE, because MME does not need to keep any information of localization message before, and can the follow-up locating information of individual processing.Be also referred to as terminal (User Equipment and work as subscriber equipment, abbreviate UE as) between the base station, switch in, after UE switches to Target cell, when the locating information of UE or base station need be uploaded to E-SMLC from target eNB, there is not between MME and the E-SMLC LCS positioning flow associated flag on the SLs interface, at this moment, after localization message that target eNB reports UE or the localization message of self report MME, MME can't directly pass through corresponding E-SMLC, thereby the localization message that causes being correlated with reports in the processing of MME complicated.
Summary of the invention
At carrying out the base station when switching at UE in the correlation technique, target eNB does not have the association identification on the LCS positioning flow and causes localization message to report in the complicated problem of the processing of MME to propose the present invention, for this reason, main purpose of the present invention is to provide a kind of locating information processing scheme, to address the above problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of locating information processing method.
Locating information processing method according to the present invention comprises: in terminal when source base station switches to target BS, source base station sends the message that carries the associated flag that is used for positioning service to target BS, so that target BS is according to the associated flag reporting orientation information.
Preferably, source base station sends the message that carries associated flag to target BS and comprises: source base station wherein, carries associated flag in the handoff request message to target BS transmission handoff request message.
Preferably, source base station is drawn together to target BS transmission handoff request message: source base station sends handoff request message by S1 or X2 interface to target BS.
Preferably, after the target BS transmission carried the message of associated flag, said method also comprised at source base station: target BS receives and also obtain associated flag from message; Target BS is kept at this locality with associated flag.
Preferably, associated flag comprises: the associated flag relevant with terminal, with the irrelevant associated flag of terminal.
Preferably, the source base station associated flag that simultaneously sends the associated flag relevant and have nothing to do with terminal with terminal to target BS.
To achieve these goals, according to a further aspect in the invention, provide a kind of locating information processing unit.
According to locating information processing unit of the present invention, be positioned at the base station, comprise: sending module is used in terminal when source base station switches to target BS, send the message that carries the associated flag that is used for positioning service to target BS, so that target BS is according to the associated flag reporting orientation information.
Preferably, sending module is used for sending handoff request message to target BS, wherein, carries associated flag in the handoff request message.
Preferably, sending module is used for sending handoff request message by S1 or X2 interface to target BS.
Preferably, said apparatus also comprises: acquisition module is used for obtaining associated flag from the source base station reception and from message; Preserve module, be used for the associated flag that acquisition module gets access to is kept at this locality.
By the present invention, employing in terminal when source base station switches to target BS, source base station sends the message that carries the associated flag that is used for positioning service to target BS, solved in the correlation technique at UE and carried out the base station when switching, target eNB does not have the association identification on the LCS positioning flow and causes localization message to report in the complicated problem of the processing of MME, and then reduced the handling process of MME, efficient is provided.
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 structural representation according to the LPPa agreement of correlation technique;
Fig. 2 is the flow chart according to the locating information processing method of the embodiment of the invention;
Fig. 3 is the X2 handoff request message structure schematic diagram one according to the embodiment of the invention;
Fig. 4 is the X2 handoff request message structure schematic diagram two according to the embodiment of the invention;
Fig. 5 is the S1 handoff request message structure schematic diagram one according to the embodiment of the invention;
Fig. 6 is the S1 handoff request message structure schematic diagram two according to the embodiment of the invention;
Fig. 7 is the flow chart according to the locating information processing method of the example one of the embodiment of the invention;
Fig. 8 is the flow chart according to the locating information processing method of the example two of the embodiment of the invention;
Fig. 9 is the structured flowchart according to the locating information processing unit of the embodiment of the invention.
Embodiment
Function was both stated
The embodiment of the invention provides a kind of locating information processing scheme, by this scheme, when UE target BS in handoff procedure can get access between MME and the E-SMLC LCS positioning flow associated flag on the SLs interface, make target BS can make full use of the locating information of source base station, transmit between target BS and E-SMLC in the locating information, MME can directly be transmitted to E-SMLC according to this associated flag locating information that UE is relevant and handle.The treatment principle of this scheme is as follows: terminal switches to target BS from source base station, and source base station sends the message that carries the associated flag that is used for positioning service to target BS, so that target BS is according to the associated flag reporting orientation information.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In following examples, can in computer system, carry out in the step shown in the flow chart of accompanying drawing such as a set of computer-executable instructions, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
Embodiment
According to embodiments of the invention, a kind of locating information processing method is provided, Fig. 2 is the locating information processing method according to the embodiment of the invention, as shown in Figure 2, this method comprises that following step S202 is to step S204:
Step S202, terminal switches to target BS from source base station, and what this process can be that terminal initiates also can be that initiate the base station.
Step S204, source base station sends the message that carries the associated flag that is used for positioning service to target BS, so that target BS is according to the associated flag reporting orientation information.
In step S204, source base station can send handoff request message to target BS, and carries above-mentioned associated flag in handoff request message.Wherein, source base station sends handoff request message by S1 or X2 interface to target BS.For example, when terminal is initiated handoff procedure, carry between MME and the E-SMLC LCS positioning flow associated flag on the SLs interface in the handoff request message that source base station sends, this associated flag is if relevant with the UE E-SMLC UE ID that then can be expressed as; And if UE irrelevant, for example, carry out that supplementary collects and during reporting orientation information, this associated flag can be expressed as E-SMLC ID at eNB.Further, the associated flag that source base station can send the associated flag relevant with terminal and have nothing to do with terminal to target BS simultaneously, that is, E-SMLC UE ID and E-SMLC ID can transmit simultaneously.
After step S204, target BS receives and obtain associated flag from the message that source base station sends, and this associated flag is kept at this locality.
Need to prove that source base station sends handoff request message by S1 or X2 interface to target BS.
Present X2 handoff request message is drawn together information such as the Global ID, UE text message, UE historical information of switching type, Target cell.In the present embodiment, in X2 handoff request message, increase between MME and the E-SMLC associated flag of LCS positioning flow on the SLs interface.This associated flag then can be expressed as E-SMLC UE ID if relevant with UE, and if UE irrelevant, then be expressed as E-SMLC ID.Further, E-SMLC UE ID and E-SMLC ID can transmit simultaneously.Fig. 3 is the X2 handoff request message structure schematic diagram one according to the embodiment of the invention, and Fig. 4 is the X2 handoff request message structure schematic diagram two according to the embodiment of the invention, and the X2 handoff request message structure after expanding has been shown among Fig. 3 and Fig. 4.
The S1 handoff request message contains the Global ID of switching type, target device and sub-district, the information such as transparent bag that target is arrived in the source at present.Wherein in the transparent bag of target, comprise the UE historical information in the source.In order to realize the transmission of terminal positional information, can increase between MME and the E-SMLC that an associated flag of LCS positioning flow (need to prove on the SLs interface in the source in the S1 handoff request message in the transparent bag of target, the position that this associated flag is added can be changed, if just in request message, comprise can).If what this associated flag was relevant with UE can be expressed as E-SMLC UE ID, and if UE irrelevant, such as carry out at eNB that supplementary collects and reporting orientation information in, this associated flag can be expressed as E-SMLC ID.Further, E-SMLC UE ID and E-SMLC ID can transmit simultaneously.Fig. 5 is the S1 handoff request message structure schematic diagram one according to the embodiment of the invention, and Fig. 6 is the S1 handoff request message structure schematic diagram two according to the embodiment of the invention, and Fig. 5 and Fig. 6 show the S1 handoff request message structure after the expansion.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
In following example, by expanding S1/X2 interface handoff request message, carry between MME and the E-SMLC LCS positioning flow associated flag on the SLs interface, so that target BS carries out giving the correct time on the LPPa localization message, MME can carry out transparent processing according to this associated flag.
Example one
Fig. 7 is the flow chart according to the locating information processing method of the example one of the embodiment of the invention, and as shown in Figure 7, this flow process comprises the steps:
Example two
Fig. 8 is the flow chart according to the locating information processing method of the example two of the embodiment of the invention, and as shown in Figure 8, this flow process comprises the steps:
Step 801, source base station sends handoff request to MME by the S1 interface, increases between MME and the E-SMLC associated flag of LCS positioning flow on the SLs interface in handoff request message.This associated flag be if relevant with UE can be expressed as E-SMLCUE ID, and if UE irrelevant, for example, eNB carry out that supplementary is collected and reporting orientation information in, this associated flag can be expressed as E-SMLC ID.Further, E-SMLC UE ID and E-SMLC ID can transmit simultaneously.
Step 802, MME passes through target BS after receiving handoff request message.
Step 803 after target BS receives handoff request, solves in the transparent bag from the source to the target associated flag is kept at this locality, and resource requirement is switched in preparation, be ready to complete the back and send switching request acknowledgement message, if failure then sends to switch and prepares failed message to source base station to MME.
Step 804, MME sends switching command (Handover Command) and gives source base station.
Step 805 after source base station receives switching command message, issues switching command to UE.
Step 806 after UE receives switching command, sends handoff completion message (Handover Confirm) to target BS.
Corresponding with the method for describing in the foregoing description, present embodiment also provides a kind of locating information processing unit, Fig. 9 is the structured flowchart according to the locating information processing unit of the embodiment of the invention, as shown in Figure 9, this device comprises sending module 92, is positioned at source base station, and this module is used in terminal when source base station switches to target BS, send the message that carries the associated flag that is used for positioning service to target BS, so that target BS is according to the associated flag reporting orientation information.
Preferably, sending module 92 specifically is used for sending handoff request message to target BS, wherein, carries associated flag in the handoff request message.
Preferably, sending module 92 specifically is used for sending handoff request message by S1 or X2 interface to target BS.
As shown in Figure 9, this device also comprises: acquisition module 94, preservation module 96, be positioned at target BS, and acquisition module 94 is used for obtaining associated flag from the source base station reception and from message; Preserve module 96, be used for the associated flag that acquisition module gets access to is kept at this locality.
In sum, pass through the above embodiment of the present invention, can be in the S1/X2 handoff procedure, by handoff request message an associated flag of LCS positioning flow on the SLs interface between MME and the E-SMLC is passed to target BS, behind the UE handover success, target BS can be used for this information to carry out the relevant locating information of UE and reports, perhaps the supplementary of eNB self collection reports, MME then can directly be transmitted to E-SMLC with the LPPa localization message by this associated flag, has reduced the processing of MME and has realized the transparent processing of LPPa message at MME.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
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 (10)
1. a locating information processing method is characterized in that, comprising:
When source base station switched to target BS, described source base station sent the message that carries the associated flag that is used for positioning service to described target BS, so that described target BS is according to described associated flag reporting orientation information in terminal.
2. method according to claim 1 is characterized in that, described source base station sends the described message that carries described associated flag to described target BS and comprises:
Described source base station sends handoff request message to described target BS, wherein, carries described associated flag in the described handoff request message.
3. method according to claim 2 is characterized in that, described source base station sends handoff request message to described target BS and draws together:
Described source base station sends described handoff request message by S1 or X2 interface to described target BS.
4. according to each described method in the claim 1 to 3, it is characterized in that after described target BS transmission carried the described message of described associated flag, described method also comprised at described source base station:
Described target BS receives and obtains described associated flag from described message;
Described target BS is kept at this locality with described associated flag.
5. according to each described method in the claim 1 to 3, it is characterized in that described associated flag comprises:
The associated flag relevant with terminal, with the irrelevant associated flag of terminal.
6. method according to claim 5 is characterized in that, described source base station sends described associated flag relevant with terminal and associated flag described and that terminal is irrelevant to described target BS simultaneously.
7. a locating information processing unit is positioned at the base station, it is characterized in that, comprising:
Sending module is used in terminal sending the message that carries the associated flag that is used for positioning service to described target BS, so that described target BS is according to described associated flag reporting orientation information when source base station switches to target BS.
8. device according to claim 7 is characterized in that, described sending module specifically is used for sending handoff request message to described target BS, wherein, carries described associated flag in the described handoff request message.
9. device according to claim 8 is characterized in that, described sending module specifically is used for sending described handoff request message by S1 or X2 interface to described target BS.
10. according to each described device in the claim 7 to 9, it is characterized in that, also comprise:
Acquisition module is used for obtaining described associated flag from the source base station reception and from described message;
Preserve module, be used for the described associated flag that acquisition module gets access to is kept at this locality.
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| CN200910174166.4A CN102036324B (en) | 2009-09-29 | 2009-09-29 | Method and device for processing locating information |
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| CN200910174166.4A CN102036324B (en) | 2009-09-29 | 2009-09-29 | Method and device for processing locating information |
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| WO2013017025A1 (en) * | 2011-07-20 | 2013-02-07 | 华为技术有限公司 | User equipment positioning method and device in handover process |
| WO2014067465A1 (en) * | 2012-11-05 | 2014-05-08 | 电信科学技术研究院 | Auxiliary information reporting and information sending method and device |
| CN103916919A (en) * | 2014-04-15 | 2014-07-09 | 大唐移动通信设备有限公司 | Measuring and positioning method and device |
| WO2015042923A1 (en) * | 2013-09-29 | 2015-04-02 | 华为技术有限公司 | User equipment positioning, measurement and processing method and device |
| WO2015058575A1 (en) * | 2013-10-22 | 2015-04-30 | 中兴通讯股份有限公司 | Positioning method and device, and storage medium |
| WO2016065765A1 (en) * | 2014-10-29 | 2016-05-06 | 中兴通讯股份有限公司 | Evolved nodeb, cell switching thereof and e-cid positioning method and device |
| CN109963314A (en) * | 2017-12-26 | 2019-07-02 | 海能达通信股份有限公司 | Method, communication system and the source base station of tendency base station are realized in LTE system |
| CN114586414A (en) * | 2020-09-29 | 2022-06-03 | 北京小米移动软件有限公司 | Request sending method, response information sending method and positioning information acquisition method |
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| WO2013017025A1 (en) * | 2011-07-20 | 2013-02-07 | 华为技术有限公司 | User equipment positioning method and device in handover process |
| US9432894B2 (en) | 2011-07-20 | 2016-08-30 | Huawei Technologies Co., Ltd. | Method and device for positioning user equipment in handover process |
| WO2014067465A1 (en) * | 2012-11-05 | 2014-05-08 | 电信科学技术研究院 | Auxiliary information reporting and information sending method and device |
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| CN104737585A (en) * | 2013-09-29 | 2015-06-24 | 华为技术有限公司 | User equipment positioning, measurement and processing method and device |
| WO2015042923A1 (en) * | 2013-09-29 | 2015-04-02 | 华为技术有限公司 | User equipment positioning, measurement and processing method and device |
| CN104737585B (en) * | 2013-09-29 | 2018-09-28 | 华为技术有限公司 | The location measurement processing method and equipment of user equipment |
| WO2015058575A1 (en) * | 2013-10-22 | 2015-04-30 | 中兴通讯股份有限公司 | Positioning method and device, and storage medium |
| CN103916919A (en) * | 2014-04-15 | 2014-07-09 | 大唐移动通信设备有限公司 | Measuring and positioning method and device |
| WO2016065765A1 (en) * | 2014-10-29 | 2016-05-06 | 中兴通讯股份有限公司 | Evolved nodeb, cell switching thereof and e-cid positioning method and device |
| CN109963314A (en) * | 2017-12-26 | 2019-07-02 | 海能达通信股份有限公司 | Method, communication system and the source base station of tendency base station are realized in LTE system |
| CN114586414A (en) * | 2020-09-29 | 2022-06-03 | 北京小米移动软件有限公司 | Request sending method, response information sending method and positioning information acquisition method |
| 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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