CN101330732B - Optimization processing method for period position positioning - Google Patents
Optimization processing method for period position positioning Download PDFInfo
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- CN101330732B CN101330732B CN 200710123433 CN200710123433A CN101330732B CN 101330732 B CN101330732 B CN 101330732B CN 200710123433 CN200710123433 CN 200710123433 CN 200710123433 A CN200710123433 A CN 200710123433A CN 101330732 B CN101330732 B CN 101330732B
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- 238000005259 measurement Methods 0.000 claims abstract description 59
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Abstract
The invention discloses an optimization processing method for periodic location positioning, which comprises the following steps: receiving a location request message from a core network by an access network; transmitting a measurement control message to a user to be positioned when determined that the user needs to take part in the periodic location positioning, the measurement control message including a selected positioning measurement type, a positioning method and appointed periodic parameters associated with the location request message; executing periodic positioning measurement by the user to be positioned according to the parameters in the measurement control message, reporting the measurement result, and stopping the periodic location positioning measurement when the user to be positioned achieves the measurement of specified number of times or receives a measurement stop message. The method can optimize the periodic location positioning process on one side of the access network to overcome the disadvantage that the periodic positioning parameters of the core network and the access network are not associated with each other in a 3GPP protocol definition.
Description
Technical field
The present invention relates to the mobile location service field in the mobile communication network, relate in particular to the optimization process method of location, a kind of performance period of position.
Background technology
Mobile location service in the Radio Network System is paid close attention to more and more widely.The main application of mobile location service includes: the emergency calling position service that is used for user security; 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.
3G (Third Generation) Moblie tissue (3GPP, 3rd Generation Partnership Project) has defined the position fixing process of the period position align_type of location service.After Access Network was received the cycle Location Request of core net, the user participated in measuring and finishes position fixing process if access network selection is positioned, and then the measurement control message by the location survey type is handed down to the user that is positioned, and notifies the user that is positioned to finish measurement.The setting of the period interval time in the period position request of existing protocol definition and report number of times is defined as:
Access Network is handed down in the user's that is positioned the measurement control message in the wave point of existing protocol definition, and the Access Network reporting of user rule of can asking to be positioned defines in the periodic report rule usually.It is as shown in the table that two parameters (blanking time and report number of times) are set in the periodic report rule.
In this manner, if Access Network is received from the cycle parameter in the location request message of core net can't come with the cycle parameter of wave point at once, especially the minimum particle size that reports of the request that issues of core net is 1 second, is 250 milliseconds and Access Network sends to the minimum particle size of UE; It is 99 days 23 hours 59 minutes 59 seconds that core net issues request maximum time of reporting, and Access Network to be handed down to the maximum time of UE be 64 seconds.Obviously can't be related.Access Network just can't pass to the user that is positioned to correct period measurement order like this, and the cycle position fixing process that the user that can't realize being positioned participates in measuring.
A kind of possible solution can only be that cycle timer is arranged on Access Network inside, cycle is initiated the measurement control message to the user that is positioned, the period position location of realizing asking, but such processing has increased the interacting message of wave point, reduces treatment effeciency and causes the wasting of resources simultaneously.
Summary of the invention
Technical problem to be solved by this invention is, a kind of optimization process method that realizes location service cycle location is provided, optimize the period position position fixing process of Access Network one side, cycle parameter when making location survey between Access Network and tested user with report the cycle parameter of core net to adapt, to solve the defective on the existing 3GPP protocol definition.
The invention provides the optimization process method of a kind of period position location, comprise the steps:
(1) core net sends location request message to Access Network, and described location request message is designated as the period position location and specifies the cycle parameter that comprises period interval time, periodic report number of times at least;
(2) Access Network is according to receiving location request message, the judgement user that need be positioned participates in this time period position when location, send and measure control message to the user that is positioned, described measurement control message comprises the cycle parameter related with location request message of selected location survey type, localization method and appointment;
(3) user that is positioned preserves parameter in the described measurement control message, carries out location survey according to the localization method in the message and cycle parameter, sends measurement report message to Access Network according to the period interval time of cycle parameter appointment;
(4) Access Network records the measurement result that at every turn reports, and after measuring end, finishes this cycle position fixing process;
(5) user that is positioned has finished the measurement report of predetermined number of times, perhaps receive stop measuring message after, dwelling period position location survey finishes this cycle position fixing process.
In the described step (2), selected measurement type is location survey in the described measurement control message; Selected localization method is the auxiliary global positioning method AGPS based on the user in the described measurement control message.
In the described step (2):
The cycle parameter related with location request message of appointment comprises period interval time, periodic report number of times, blanking time unit in the described measurement control message, wherein:
The span of described period interval time is the subclass of period interval time scope in the described location request message or complete or collected works' discrete description;
The span of described periodic report number of times is the subclass of periodic report number of times in the described location request message or complete or collected works' discrete description or unlimited;
Described blanking time unit with described period interval time corresponding to the period interval time parameter in the location request message.
In the described step (2):
The cycle parameter related with location request message of appointment comprises period interval time, periodic report number of times, blanking time unit in the described measurement control message, wherein:
Describe period interval time in the described location request message with described blanking time unit discretization described cycle time at interval;
The discrete expression that described periodic report number of times is periodic report number of times in the described location request message or unlimited.
Described step further comprises in (2):
Described network side arranges and waits for regularly " period interval time * periodic report number of times+tolerance parameter " after sending measurement control message, and described tolerance parameter is defined voluntarily by network side.
In the described step (4):
The measurement result that Access Network record reports at every turn, described waits regularly " period interval time * periodic report number of times+tolerance parameter " then or periodic report number of times when meeting the demands be judged as the end measurement;
If the number of times that reports of appointment is unlimited in the measurement control message of step (2), then sends the termination that has termination measurement cell by Access Network to measured user and measure message.
The cycle parameter related with location request message of appointment in the described measurement control message, be in the subscriber equipment location survey cell of definition in 3GPP agreement 25.331, selection report rule when arranging in the cell is set to " location service cycle report rule ", and definition position service period report rule is:
Blanking time, cell was the shaping data, and value is set (1,2,4,8,10,15,30,45);
Blanking time unit's cell is enumeration type, value for set (second, divide, hour, day);
Report number of times cell is the shaping data, and value is set (1,2,4,8,16,32,64, unlimited).
Adopt the method for the invention, the processing of location, optimization cycle position Access Network one side improves the treatment effeciency of period position location.
Description of drawings
Fig. 1 is the process chart of period position position fixing process;
Fig. 2 is the location survey flow chart that radio network controller (RNC) sends to UE.
Embodiment
Location service locating periodically optimization process method of the present invention is in Access Network and the optimization cycle processing method between the user of being positioned.
The thinking of the method for the invention is as follows.
Access Network is received the location request message from core net, and the location positioning procedure of request is the cycle location, and has specified period interval time and periodic report number of times parameter in request message.When Access Network judges that the user that need be positioned participates in the measuring process of this time cycle location, send and measure control message to the user that is positioned, measure in the control message and select UE location survey (UE positioning measurement), in 3GPP agreement 25.331, in the UE location survey cell of definition, each parameter as shown in the table need be set
Illustrate: go up in the table, OTDOA (Observed Time Difference OfArrival) is poor for the time of advent that observes; GPS (Global Positioning System) is global positioning system.
Select the report rule to be location service cycle report rule (LCS Periodical reporting criteria), definition position service period report rule is as shown in the table then:
| Cell | Value |
| Blanking time | Shaping data (1,2,4,8,10,15,30,45) |
| Blanking time unit | Enumeration type (second, divide, hour, day) |
| The report number of times | Shaping data (1,2,4,8,16,32,64, unlimited) |
Illustrate: go up the granularity that arranges of blanking time in the table, can adjust according to the application development of location service, just lift an exemplary here and do technical descriptioon.
After UE receives that Access Network radio network controller (RNC) is given the measurement control message of the location survey type of coming, carry out location survey according to the method for asking in the message and cycle parameter setting principle, and then send measurement report message to Access Network in each period interval time.Up to the measurement of the report number of times of finishing appointment, perhaps receive the message of this measurement control procedure of termination of Access Network, finish current measuring process then.
Accompanying drawing 1 is depicted as process chart of the present invention.
Step S01, CN sends period position request message (Location Reporting Control) and gives RNC, designated period location in the request message, be 2 seconds blanking time, the report number of times is 100 times.
Step S02, RNC select the AGPS localization method based on the user UE that is positioned (UE based) according to information in the location request message, and at this moment, RNC need send and measure control message to UE, and request UE finishes location survey.That measures control message is set to the location survey type, and localization method be that the AGPS based on UE locatees, and cycle parameter is set in the periodic report rule of location service:
Blanking time: 2;
Blanking time unit: second;
Report number of times: unlimited.
Step S03, UE preserve and measure parameter in the control message, carry out location survey according to method and the cycle parameter of request, send according to the appointed interval time and measure control message to RNC;
Step S04, RNC record each reported result, arrange after sending the measurement control message of request beginning location survey simultaneously and wait for regularly " 200 seconds+tolerance parameter ", and the tolerance parameter can be self-defined by RNC; Regularly arrive or when reporting number of times to satisfy, then RNC sends and has the measurement control message that stops measuring cell and finish this cycle location survey process to UE.
Step S05, UE no longer continue the cycle location survey after receiving the message that stops measuring.Finish this cycle location survey process.
As shown in Figure 2, shown that radio network controller (RNC) sends to the location survey flow chart of UE, comprises following steps.
Step 1, core net CN sends position requests (Location Reporting Control) message and gives radio network controller (RNC);
Step 2, radio network controller (RNC) is selected localization method, arranges to measure the control message content;
Step 3, radio network controller (RNC) send measures control message to UE, and timer 2 00s+ tolerance parameter is set simultaneously;
Step 4, UE carries out measurement, and sends measurement report message to RNC blanking time by designated period;
Step 5, RNC sends position message (Location Reporting) message and gives CN; If the report number of times satisfies 100 times of appointment, perhaps 200s+ tolerates being timed to of parameter, and then RNC sends and measures the control termination messages to UE, and UE finishes this location survey.
If the report number of times of request can arrange with the report number of times that wave point defines, then RNC need not to send the measurement of measuring termination and controls message to UE, directly controls the measurement that correspondence is set in the message in the measurement that measurement is initiated and reports non-unlimited the getting final product of number of times.
In sum, the method that adopts the present invention to propose, optimization process the period position position fixing process of Access Network one side, solved the defective of 3GPP protocol definition.
Claims (6)
1. the optimization process method of a period position location is characterized in that, comprises the steps:
(1) core net sends location request message to Access Network, and described location request message is designated as the period position location and specifies the cycle parameter that comprises period interval time, periodic report number of times at least;
(2) Access Network is according to receiving location request message, the judgement user that need be positioned participates in this time period position when location, send and measure control message to the user that is positioned, described measurement control message comprises the cycle parameter related with location request message of selected location survey type, localization method and appointment;
(3) user that is positioned preserves parameter in the described measurement control message, carries out location survey according to the localization method in the message and cycle parameter, sends measurement report message to Access Network according to the period interval time of cycle parameter appointment;
(4) Access Network records the measurement result that at every turn reports, and after measuring end, finishes this cycle position fixing process;
(5) user that is positioned has finished the measurement report of predetermined number of times, perhaps receive stop measuring message after, dwelling period position location survey finishes this cycle position fixing process;
Wherein, the cycle parameter related with location request message of appointment comprises period interval time, periodic report number of times, blanking time unit in the described measurement control message, wherein:
The span of described period interval time is the subclass of period interval time scope in the described location request message or complete or collected works' discrete description;
The span of described periodic report number of times is complete or collected works' the discrete description of periodic report number of times in the described location request message or unlimited;
Described blanking time unit with described period interval time corresponding to the period interval time parameter in the location request message.
2. the method for claim 1 is characterized in that, in the described step (2):
Selected measurement type is location survey in the described measurement control message;
Selected localization method is the auxiliary global positioning method AGPS based on the user in the described measurement control message.
3. the method for claim 1 is characterized in that, in the described step (2):
The cycle parameter related with location request message of appointment comprises period interval time, periodic report number of times, blanking time unit in the described measurement control message, wherein:
Describe period interval time in the described location request message with described blanking time unit discretization described cycle time at interval;
The discrete expression that described periodic report number of times is periodic report number of times in the described location request message or unlimited.
4. the method for claim 1 is characterized in that, described step further comprises in (2):
Described Access Network arranges and waits for regularly " period interval time * periodic report number of times+tolerance parameter " after sending measurement control message, and described tolerance parameter is defined voluntarily by Access Network.
5. method as claimed in claim 4 is characterized in that, in the described step (4):
The measurement result that Access Network record reports at every turn, described waits regularly " period interval time * periodic report number of times+tolerance parameter " then or periodic report number of times when meeting the demands be judged as the end measurement;
If the number of times that reports of appointment is unlimited in the measurement control message of step (2), then sends the termination that has termination measurement cell by Access Network to measured user and measure message.
6. the method for claim 1, it is characterized in that, the cycle parameter related with location request message of appointment in the described measurement control message, be in the subscriber equipment location survey cell of definition in 3GPP agreement 25.331, selection report rule when arranging in the cell is set to " location service cycle report rule ", and definition position service period report rule is:
Blanking time, cell was the shaping data, and value is set (1,2,4,8,10,15,30,45);
Blanking time unit's cell is enumeration type, value for set (second, divide, hour, day);
Report number of times cell is the shaping data, and value is set (1,2,4,8,16,32,64, unlimited).
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101932095B (en) * | 2009-06-19 | 2014-07-16 | 中兴通讯股份有限公司南京分公司 | Method and system for transmitting location information request signaling |
| CN101931973A (en) * | 2009-06-22 | 2010-12-29 | 宏达国际电子股份有限公司 | Improve the method and the related communication devices thereof of positioning measurement function |
| CN102006618A (en) * | 2009-09-03 | 2011-04-06 | 普天信息技术研究院有限公司 | Method for reporting common measurement event |
| CN102130785B (en) * | 2011-02-17 | 2013-04-24 | 华为技术有限公司 | Method, device and system for reporting time offsets (TOFF) |
| EP2928242B1 (en) * | 2013-01-04 | 2019-12-04 | Huawei Technologies Co., Ltd. | Positioning method, apparatus and system |
| CN109714781B (en) * | 2017-10-25 | 2021-02-23 | 华为技术有限公司 | Measuring method and apparatus |
| CN113709787A (en) * | 2020-05-20 | 2021-11-26 | 华为技术有限公司 | Method, device and system for managing uplink measurement |
| WO2024007287A1 (en) * | 2022-07-08 | 2024-01-11 | Oppo广东移动通信有限公司 | Communication methods, communication devices, and core network devices |
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| EP1768424A1 (en) * | 2005-01-25 | 2007-03-28 | Huawei Technologies Co., Ltd. | Method for processing deferred location request |
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| CN1700663A (en) * | 2004-05-21 | 2005-11-23 | 华为技术有限公司 | Wireless network optimization subtest method |
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| Protocol Specification.《3GPP TS 25.331 V7.4.0》.2007, |
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