CN102036324B - Method and device for processing locating information - Google Patents
Method and device for processing locating information Download PDFInfo
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- CN102036324B CN102036324B CN200910174166.4A CN200910174166A CN102036324B CN 102036324 B CN102036324 B CN 102036324B CN 200910174166 A CN200910174166 A CN 200910174166A CN 102036324 B CN102036324 B CN 102036324B
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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 method and device.
Background technology
Long Term Evolution (Long Term Evolution, referred to as LTE) network is by land radio access web (Evolved Universal Mobile Telecommunications SystemTerrestrial Radio Access Network is referred to as E-UTRAN) base station (EvolvedNodeB, referred to as eNB) and evolution packet switching center (Evolved Packet Core, referred to as EPC) composition, network flattening.Wherein, E-UTRAN comprises the set of the eNB be connected by S1 interface with EPC, connects between eNB by X2.S1, X2 are logic interfacing.An EPC can manage one or more eNB, and a NodeB also can be controlled by multiple EPC, and an eNB can manage one or more community.Lte-a system is by LTE system evolution, and the network architecture is consistent with LTE.Meanwhile, there is Operational Management System (Operation And Management, referred to as OAM) in the network architecture, can operate one or more network element and manage.
On the one hand, operator, in order to reduce operation cost and maintenance cost, sets up and operation a lot of work of network needs, such as, and planning, configuration, optimization, calculating, adjustment, test, guard against false, minimizing failure, self-recovery.On the other hand, user needs to simplify use flow process, and such as, base station from home (Home NodeB) equipment, namely user buys a desirably PnP device back home, and one powers on can automatic acquisition configuration operation.The trend necessarily self-configuring of next generation mobile networks, self-optimizing, self adaptation, the impact of human factor on network is more and more less, therefore, proposes self-organizing network concept, and self-organizing network comprises self-configuring and self-optimizing two aspect.Wherein, self-optimizing comprises: coverage optimization, mobility optimization, relates to the detection of covering leak and cover insufficient detection in coverage optimization; Mobility optimization then needs the various handover event information to occurring in current area to collect and analyze, and wherein, the positional information of terminal when occurring for event plays an important role to the above analysis optimizing scene.
At present, at the third generation (3rd Generation, referred to as 3G) widely used mobile positioning technique has three kinds in network: network cell identification (CELL-ID) location technology, observable time arrive difference (Observed Time Difference of Arrival, referred to as OTDOA) global positioning system (Assisted Global Positioning System, referred to as the A-GPS) location technology of network assistance that mixes with terminal of location technology, network.
CELL-ID location technology
Network CELL-ID location technology is the simplest location technology of one, is applicable to all cellular networks, and without the need to modifying to mobile phone and network, just can provide automatic positioning service to current mobile subscriber.Determine the position of user for No. ID of the cellular cell of this technology residing for mobile terminal, therefore, its positioning precision depends on the size of cellular cell radius residing for mobile terminal completely, from hundreds of rice to tens kilometers not etc.Compared with other technology, this technological investment is less, and the location response time is shorter, and generally within 3s, but its precision is minimum, and error is larger.
OTDOA location technology
OTDOA is a kind of locate mode being applied to 3G network.This location technology measures the down-bound pilot frequency signal of different base station due in (Time ofArrival, referred to as TOA) by mobile terminal realizes location, and its positioning precision is higher, and orientation range is about 100 ~ 200m.But comparatively strong to the dependence of time reference, meanwhile, the impact by multi-path jamming is also larger.The OTDOA location response time is slightly longer than CELL-ID, approximately wants 10s.This technology only need revise network without the need to modifying to mobile phone, can provide service directly to existing user.
A-GPS location technology
A-GPS needs network and mobile terminal to receive GPS information, is a kind of technology combining network base station information and GPS information and position mobile terminal, can uses in 2G and 3G network.The advantage of this technology is mainly in its positioning precision, and in open spaces such as outdoors, under normal operation circumstances, its precision can reach 5 ~ 10m, can be rated as a kind of location technology that current positioning precision is the highest.On the other hand, the supplementary 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.
Due in current location protocol, long evolving system additional position agreement (TheLTE Positioning Protocol Annex, referred to as LPPa) is used for carrying the information between eNB and E-SMLC.Concrete protocol layer architecture as shown in Figure 1.
LPPa needs the function supported to comprise: under E-CID locate mode, supplementary or metrical information pass to the Serving Mobile Location Center (Evolved MobileLocation Center, referred to as E-SMLC) of evolution from eNB; Alternatively, under descending OTDOA locate mode from multiple base stations gather data.When the locator data for 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 to pass through E-SMLC, and when MME passes to E-SMLC by SLs interface, need to be identified by an associated flag of LCS positioning flow on SLs interface between MME and E-SMLC.When E-SMLC sends LPPa message to MME, this LPPa message is transmitted to eNB by MME, and comprises above-mentioned associated flag.Like this, follow-up eNB, when receiving the localization message that this UE is correlated with, directly can be transmitted to E-SMLC by MME according to this associated flag because MME do not need to retain before any information of localization message, follow-up locating information can be processed separately.And when subscriber equipment is also referred to as terminal (User Equipment, referred to as UE) switch between base station in, after UE is switched to Target cell, when the locating information of UE or base station needs to be uploaded to E-SMLC from target eNB time, there is no an associated flag of LCS positioning flow on SLs interface between MME and E-SMLC, now, after the localization message that UE reports by target eNB or the localization message of self report MME, MME directly cannot pass through corresponding E-SMLC, thus it is complicated to cause the localization message of being correlated with to report in the process of MME.
Summary of the invention
For in correlation technique UE carry out base station switch time, target eNB does not have the association identification on LCS positioning flow and causes localization message report in the complicated problem of the process of MME and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of locating information processing scheme, to solve the problem.
To achieve these goals, according to an aspect of the present invention, a kind of method is provided.
Method according to the present invention comprises: when terminal is switched to target BS from source base station, source base station sends the message of the associated flag carried for positioning service to target BS, so that target BS is according to associated flag reporting orientation information.
Preferably, source base station sends to target BS the message carrying associated flag and comprises: source base station, to target BS transmission handover request message, wherein, carries associated flag in handover request message.
Preferably, source base station is drawn together to target BS transmission handoff request message: source base station sends handover request message by S1 or X2 interface to target BS.
Preferably, after source base station to send to target BS and carries the message of associated flag, said method also comprises: target BS receives and also from message, obtains associated flag; Associated flag is kept at this locality by target BS.
Preferably, associated flag comprises: the associated flag relevant to terminal, the associated flag irrelevant with terminal.
Preferably, source base station sends the associated flag relevant to terminal and the associated flag irrelevant with terminal to target BS simultaneously.
To achieve these goals, according to a further aspect in the invention, a kind of locating information processing unit is provided.
According to locating information processing unit of the present invention, be positioned at base station, comprise: sending module, for when terminal is switched to target BS from source base station, the message of the associated flag carried for positioning service is sent, so that target BS is according to associated flag reporting orientation information to target BS.
Preferably, sending module is used for sending handover request message to target BS, wherein, carries associated flag in handover request message.
Preferably, sending module is used for sending handover request message by S1 or X2 interface to target BS.
Preferably, said apparatus also comprises: acquisition module, for receiving from source base station and obtain associated flag from message; Preserve module, be kept at this locality for the associated flag got by acquisition module.
Pass through the present invention, adopt when terminal is switched to target BS from source base station, source base station sends the message of the associated flag carried for positioning service to target BS, solve in correlation technique UE carry out base station switch time, target eNB does not have the association identification on LCS positioning flow and causes localization message to report in the complicated problem of the process of MME, and then decrease the handling process of MME, provide efficiency.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the LPPa agreement according to correlation technique;
Fig. 2 is the flow chart of the method according to the embodiment of the present invention;
Fig. 3 is the X2 handover request message structure schematic diagram one according to the embodiment of the present invention;
Fig. 4 is the X2 handover request message structure schematic diagram two according to the embodiment of the present invention;
Fig. 5 is the S1 handover request message structure schematic diagram one according to the embodiment of the present invention;
Fig. 6 is the S1 handover request message structure schematic diagram two according to the embodiment of the present invention;
Fig. 7 is the flow chart of the method for example one according to the embodiment of the present invention;
Fig. 8 is the flow chart of the method for example two according to the embodiment of the present invention;
Fig. 9 is the structured flowchart of the locating information processing unit according to the embodiment of the present invention.
Embodiment
Functional overview
Embodiments provide a kind of locating information processing scheme, pass through the program, when UE target BS in handoff procedure can get an associated flag of LCS positioning flow on SLs interface between MME and E-SMLC, make target BS can make full use of the locating information of source base station, when transmitting locating information between target BS and E-SMLC, the locating information that UE is relevant can be directly transmitted to E-SMLC process according to this associated flag by MME.The treatment principle of the program is as follows: terminal is switched to target BS from source base station, and source base station sends the message of the associated flag carried for positioning service to target BS, so that target BS is according to associated flag reporting orientation information.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
In the examples below, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, but in some cases, can be different from the step shown or described by order execution herein.
Embodiment
According to embodiments of the invention, provide a kind of method, Fig. 2 is the method according to the embodiment of the present invention, and as shown in Figure 2, the method comprises following step S202 to step S204:
Step S202, terminal is switched to target BS from source base station, this process can be terminal initiate also can be base station initiate.
Step S204, source base station sends the message of the associated flag carried for positioning service to target BS, so that target BS is according to associated flag reporting orientation information.
In step S204, source base station can send handover request message to target BS, and carries above-mentioned associated flag in handover request message.Wherein, source base station sends handover request message by S1 or X2 interface to target BS.Such as, when terminal initiates handoff procedure, in the handover request message that source base station sends, carry an associated flag of LCS positioning flow on SLs interface between MME and E-SMLC, this associated flag is if relevant with UE then can be expressed as E-SMLC UE ID; And if UE irrelevant, such as, eNB carry out supplementary to collect and reporting orientation information time, this associated flag can be expressed as E-SMLC ID.Further, source base station can send the associated flag relevant to terminal and the associated flag irrelevant with terminal to target BS simultaneously, that is, E-SMLC UE ID and E-SMLC ID can transmit simultaneously.
After step s 204, target BS receives and obtain associated flag from the message that source base station sends, and this associated flag is kept at this locality.
It should be noted that, source base station sends handover request message by S1 or X2 interface to target BS.
Current X2 handoff request message draws together the information such as Global ID, UE text message, UE historical information of switching type, Target cell.In the present embodiment, in X2 handover request message, increase an associated flag of LCS positioning flow on SLs interface between MME and E-SMLC.This associated flag if relevant with UE, then can be expressed as E-SMLC UE ID, and if UE irrelevant, be then expressed as E-SMLC ID.Further, E-SMLC UE ID and E-SMLC ID can transmit simultaneously.Fig. 3 is according to the X2 handover request message structure after expanding has been shown in the X2 handover request message structure schematic diagram two, Fig. 3 of the embodiment of the present invention and Fig. 4 according to the X2 handover request message structure schematic diagram one, Fig. 4 of the embodiment of the present invention.
Current S1 handoff request message containing the Global ID of switching type, target device and community, source to the information such as transparent bag of target.Wherein in the transparent bag of source to target, comprise UE historical information.In order to realize the transmission of terminal positional information, an associated flag of LCS positioning flow on SLs interface can be increased between MME and E-SMLC (it should be noted that in the transparent bag of target in source in S1 handover request message, this associated flag add position can change, as long as comprise in request message just 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 supplementary at eNB and to collect and when reporting orientation information, 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 show the S1 handover request message structure after expansion according to the S1 handover request message structure schematic diagram two, Fig. 5 of the embodiment of the present invention and Fig. 6 according to the S1 handover request message structure schematic diagram one, Fig. 6 of the embodiment of the present invention.
Be described in detail below in conjunction with the implementation procedure of example to the embodiment of the present invention.
In the following example, by expanding S1/X2 interface handover request message, carry an associated flag of LCS positioning flow on SLs interface between MME and E-SMLC, carry out to make target BS LPPa localization message gives the correct time, MME can carry out transparent processing according to this associated flag.
Example one
Fig. 7 is the flow chart of the method for example one according to the embodiment of the present invention, and as shown in Figure 7, this flow process comprises the steps:
Step 701, source base station sends handover request (Handover Request) message to target BS by X2 interface, increases an associated flag of LCS positioning flow on SLs interface between MME and E-SMLC in handover request message.This associated flag if relevant with UE E-SMLC UE ID can be expressed as, and if UE irrelevant, such as, carry out supplementary at eNB and to collect and when reporting orientation information, this associated flag can be expressed as E-SMLC ID.Further, E-SMLC UE ID and E-SMLC ID can transmit simultaneously.
Step 702, target BS receives from after source base station handover request message, associated flag is kept at this locality, and prepare to switch resource requirement, switching request acknowledgement message (Handover Request ACK) is sent to source base station after being ready to complete, if failure, then send and switch preparation failed message to source base station.
Step 703, after source base station receives switching request acknowledgement message, issues switching command (Handover Command) to UE.
Step 704, after UE receives switching command, sends handoff completion message (Handover Confirm) to target BS.
Example two
Fig. 8 is the flow chart of the method for example two according to the embodiment of the present invention, and as shown in Figure 8, this flow process comprises the steps:
Step 801, source base station sends handover request to MME by S1 interface, increases an associated flag of LCS positioning flow on SLs interface between MME and E-SMLC in handover request message.This associated flag if relevant with UE E-SMLCUE ID can be expressed as, and if UE irrelevant, such as, carry out supplementary at eNB and to collect and when reporting orientation information, 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 handover request message.
Step 803, after target BS receives handover request, solves in the transparent bag from source to target and associated flag is kept at this locality, and prepare to switch resource requirement, send switching request acknowledgement message to MME after being ready to complete, if failure, then send and switch preparation failed message to source base station.
Step 804, MME sends switching command (Handover Command) to 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 described in above-described embodiment, the present embodiment additionally provides a kind of locating information processing unit, Fig. 9 is the structured flowchart of the locating information processing unit according to the embodiment of the present invention, as shown in Figure 9, this device comprises sending module 92, is positioned at source base station, and this module is used for when terminal is switched to target BS from source base station, the message of the associated flag carried for positioning service is sent, so that target BS is according to associated flag reporting orientation information to target BS.
Preferably, sending module 92, specifically for sending handover request message to target BS, wherein, carries associated flag in handover request message.
Preferably, sending module 92 is specifically for sending handover 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, acquisition module 94, for receiving from source base station and obtain associated flag from message; Preserve module 96, be kept at this locality for the associated flag got by acquisition module.
In sum, pass through the above embodiment of the present invention, can in S1/X2 handoff procedure, by handover request message, an associated flag of LCS positioning flow on SLs interface between MME and E-SMLC is passed to target BS, when after UE handover success, target BS can be used for the locating information that this information carries out UE relevant and reports, or reporting of the supplementary that eNB self collects, LPPa localization message then directly can be transmitted to E-SMLC by this associated flag by MME, decreases the process of MME and achieves the transparent processing of LPPa message at MME.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a method, is characterized in that, comprising:
When terminal is switched to target BS from source base station, described source base station sends the message of the associated flag carried for positioning service to described target BS, so that described target BS is according to described associated flag reporting orientation information;
Wherein, described associated flag comprises: the associated flag relevant to terminal, the associated flag irrelevant with terminal.
2. method according to claim 1, is characterized in that, described source base station sends to described target BS the described message carrying described associated flag and comprises:
Described source base station sends handover request message to described target BS, wherein, carries described associated flag in described handover 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 handover request message by S1 or X2 interface to described target BS.
4. according to the method in any one of claims 1 to 3, it is characterized in that, after described source base station to send to described target BS and carries the described message of described associated flag, described method also comprises:
Described target BS receives and obtain described associated flag from described message;
Described associated flag is kept at this locality by described target BS.
5. method according to claim 1, is characterized in that, described source base station sends the described associated flag relevant to terminal and the described associated flag irrelevant with terminal to described target BS simultaneously.
6. a locating information processing unit, is positioned at base station, it is characterized in that, comprising:
Sending module, for when terminal is switched to target BS from source base station, sends the message of the associated flag carried for positioning service, so that described target BS is according to described associated flag reporting orientation information to described target BS;
Wherein, described associated flag comprises: the associated flag relevant to terminal, the associated flag irrelevant with terminal.
7. device according to claim 6, is characterized in that, described sending module, specifically for sending handover request message to described target BS, wherein, carries described associated flag in described handover request message.
8. device according to claim 7, is characterized in that, described sending module is specifically for sending described handover request message by S1 or X2 interface to described target BS.
9. the device according to any one of claim 6 to 8, is characterized in that, also comprises:
Acquisition module, for receiving from source base station and obtain described associated flag from described message;
Preserve module, be kept at this locality for the described associated flag got by acquisition module.
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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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Families Citing this family (8)
| 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 |
| CN103813394B (en) * | 2012-11-05 | 2017-08-18 | 电信科学技术研究院 | Auxiliary information is reported and method for sending information and equipment |
| 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 |
| CN104581933A (en) * | 2013-10-22 | 2015-04-29 | 中兴通讯股份有限公司 | Positioning 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 |
| CN105636140B (en) * | 2014-10-29 | 2020-04-14 | 中兴通讯股份有限公司 | Evolution base station and cell switching and E-CID positioning method and device thereof |
| CN109963314B (en) * | 2017-12-26 | 2021-06-18 | 海能达通信股份有限公司 | Method for realizing inclined base station in LTE (Long term evolution) system, communication system and source base station |
| WO2022067559A1 (en) * | 2020-09-29 | 2022-04-07 | 北京小米移动软件有限公司 | Request sending method, response information sending method, and position information acquisition method |
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| US6574201B1 (en) * | 1998-07-06 | 2003-06-03 | Siemens Aktiengesellschaft | Method and mobile radio telephone network for handling a packet data service |
| CN1703927A (en) * | 2002-10-09 | 2005-11-30 | 诺基亚公司 | Provision of information regarding a mobile station |
| CN101365168A (en) * | 2007-08-10 | 2009-02-11 | 北京三星通信技术研究有限公司 | Data forwarding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6574201B1 (en) * | 1998-07-06 | 2003-06-03 | Siemens Aktiengesellschaft | Method and mobile radio telephone network for handling a packet data service |
| CN1703927A (en) * | 2002-10-09 | 2005-11-30 | 诺基亚公司 | Provision of information regarding a mobile station |
| CN101365168A (en) * | 2007-08-10 | 2009-02-11 | 北京三星通信技术研究有限公司 | Data forwarding method |
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