WO2004091234A1 - Procede d'activation interimaire d'une demande d'informations de localisation dans un service de localisation - Google Patents

Procede d'activation interimaire d'une demande d'informations de localisation dans un service de localisation Download PDF

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Publication number
WO2004091234A1
WO2004091234A1 PCT/CN2004/000312 CN2004000312W WO2004091234A1 WO 2004091234 A1 WO2004091234 A1 WO 2004091234A1 CN 2004000312 W CN2004000312 W CN 2004000312W WO 2004091234 A1 WO2004091234 A1 WO 2004091234A1
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WO
WIPO (PCT)
Prior art keywords
information request
gap
position information
location information
lcs system
Prior art date
Application number
PCT/CN2004/000312
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English (en)
Chinese (zh)
Inventor
Xiaoqin Duan
Original Assignee
Huawei Technologies, Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies, Co., Ltd. filed Critical Huawei Technologies, Co., Ltd.
Publication of WO2004091234A1 publication Critical patent/WO2004091234A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/52—Network services specially adapted for the location of the user terminal

Definitions

  • the present invention relates to a flow control technology, and particularly to a method for performing a gap operation of a location information request in a location service.
  • the location service (LCS, Location Service) of a mobile communication network obtains location information of a target user equipment (UE) through positioning technology.
  • the target UE refers to a UE terminal located in a mobile communication network.
  • the location information may be geographic latitude and longitude information or local Location information of the street.
  • the location information obtained by the LCS system can be provided to the target UE for its own positioning; it can also be provided to other client applications, such as institutions and individuals, that request the location information of the target UE for value-added services. Therefore, location services have a wide range of functions in emergency rescue, vehicle navigation and intelligent transportation systems, work scheduling and team management, mobile yellow page query, and enhanced network performance.
  • 3GPP 3rd Generation Partnership Project
  • Figure 1 is a schematic diagram of the logical structure of the LCS network.
  • the requesting end 101 requests the location information of the target UE 103 through the LCS system 102.
  • the LCS system 102 performs legality authentication on the requesting end 101 and checks whether the target UE 103 allows the The requester 101 requests location information from the requester. If the requester 101 passes the legality authentication of the LCS system 102, the LCS system 102 locates the target UE and then provides the location information of the target UE 103 to it; otherwise, the LCS system 102 The requester 101 rejects the location information request initiated by the target UE 103.
  • the LCS system 102 is required to provide the real requester of the location information of the target UE 103, and the requester 101 initiates a location information request for the destination UE 103.
  • the 3GPP LCS specification allows the requesting end to send multiple location UE identifiers when sending a location information request to the LCS system, indicating that the requesting end requests the LCS system to batch locate multiple target UEs, and then It provides the location information of multiple target UEs, which can save the number of location information requests initiated by the requester for location services, reduce the signaling load between the requester and the LCS system, and improve the execution efficiency of the location information request.
  • the 3GPP LCS specification does not propose a method for limiting the traffic of a large number of location information requests, nor does it suggest that the LCS system adjusts the processing mechanism for subsequent location information requests according to the processing capacity of the LCS system in a congested state. Therefore, When the requester requests the LCS system to provide the location information of multiple target UEs, or when multiple requesters send location information requests to the LCS system, the LCS system faces the impact of a large number of location information requests, which may be caused by the lack of a flow control mechanism. Insufficient processing power caused paralysis of the LCS system. Summary of the invention
  • an object of the present invention is to provide a method for performing a gap operation of a location information request in a location service, so that the LCS system can control the sending rate of the location information request and protect the security of its own processing performance.
  • the present invention provides a method for performing a gap operation on a location information request in a location service.
  • the method includes the following steps:
  • the LCS system determines whether to initiate a position information request gap operation, and if so, performs step B, otherwise, performs step C;
  • the LCS system sends a position information request gap command to the requesting end, and after receiving the position information request gap command, the requesting end performs a gap operation on the position information request;
  • the LCS system processes the currently received position information request.
  • the step of determining whether the position information request gap operation is started as described in step A is: determining whether the position information request gap operation has been started through a configuration command.
  • the operation of determining whether to initiate a gap request for position information as described in step A is: determining whether to initiate a gap operation for request for position information according to the current load of the LCS system.
  • the step of determining whether to initiate the position information request gap operation described in step A is: first determine whether the position information request gap operation has been started through a configuration command, and if so, perform step B; otherwise, continue to determine whether it is required according to the current load situation of the LCS system The position information request gap operation is started.
  • the method further includes: The LCS system dynamically detects the current load condition of the LCS system according to its own congestion detection mechanism.
  • the position information request gap command carries a parameter indicating a gap operation standard.
  • the parameters include optional parameters and required parameters.
  • the required parameters include a gap indication.
  • the gap indication includes a valid time range of the position information request gap command and a gap interval.
  • the optional parameters include gap standards, control types, and gap processing.
  • the gap operation on the position information request described in step B is: The requesting end performs gap operation on the position information request according to the parameters carried in the received position information request gap command.
  • the step B further includes: within a valid time range of the position information request gap command, the requester directly rejects the position information request in the gap interval.
  • the step B further includes: within the valid time range of the location information request gap command, for the location information request in the gap interval, the requester negotiates with the requester who initiated the location information request, and determines to cancel the location information request. The operation is still delayed.
  • the method further includes the following steps:
  • the LCS system determines whether to close the position information request gap operation, and if so, perform step c, otherwise, perform step b; b.
  • the requester performs a gap operation on the location information request and ends the gap operation closing process; c.
  • the LCS system sends a command to close the location information request gap to all requesters. After the requester receives the command to close the location information request gap, it requests the location information Perform normal operation.
  • the LCS system sends a location information request gap command (LCS-GAP) to the requesting end, thereby achieving the purpose that the LCS system requires the requesting end to reduce the rate of sending location information request.
  • LCS-GAP location information request gap command
  • the security of the performance of the LCS system under the impact of a large number of location information requests is protected; on the other hand, through flexible setting of parameters carried in the LCS-GAP command, different location information requests can be restricted in a targeted manner It reduces the impact of LCS system on other location information requests when system resources are insufficient.
  • the present invention also provides a method for statically and dynamically starting a position information request gap operation, which can flexibly control the position information request flow of the LCS system.
  • Figure 1 is a schematic diagram of the logical structure of the LCS network
  • FIG. 2 is a flowchart of an embodiment of a location information request gap operation according to the present invention. Mode of Carrying Out the Invention
  • the LCS system sends a location information request gap command (LCS-GAP) to the requesting end to achieve the purpose that the LCS system requires the requesting end to reduce the rate of sending location information request.
  • LCS-GAP location information request gap command
  • the LCS system detects and determines whether the position information request gap operation is required or not.
  • whether the position information request gap operation has been started refers to the manual activation of the position information request gap operation.
  • the manual start is also regarded as a static start position.
  • the information request gap operation is implemented by a configuration command. Whether the location information request gap operation needs to be started refers to The LCS system dynamically detects the system load and makes a judgment based on its own congestion detection mechanism.
  • the LCS system can send a location information request gap command (LCS-GAP) to the requesting end to notify the requesting end that its processing capacity is overloaded, and request the requesting end according to LCS-
  • the indication in the GAP command sends a subsequent request for location information.
  • the LCS_GAP command issued by the LCS system to the requester may carry required parameters such as "gap indication", and the LCS-GAP command may also carry optional parameters such as "gap standard", “control type", and "gap processing” .
  • the LCS system can send LCS-GAP commands to all or some of the requesters to control its own processing of location information requests.
  • the LCS system may only send LCS-GAP commands to the requesting end to reduce the rate at which the requesting end sends location information requests.
  • Mandatory parameter "Gap indication” is used by the LCS system to indicate the characteristics of the position information request of the requesting end requiring gap operation, such as the effective time range of the LCS-GAP command, gap information, and other information.
  • the LCS system requires the requesting end to perform a gap operation on the position information request within a time range of 5000 seconds after receiving the LCS-GAP command, and requires the requesting end to send the adjacent position information request to the LCS system.
  • the minimum time interval is 100 milliseconds, that is, the requester sends a position information request to the LCS system at least every 100 seconds.
  • the gap interval is used to indicate that the LCS requires the requesting end to send the specified rate of the location information request to it, and the location information request within the gap interval will be interrupted.
  • the LCS system sets the effective time range of the LCS-GAP command to -1 and the gap interval to 0, which indicates that the LCS system requires the requesting end to perform a gap on the position information request within an infinite time after receiving the LCS-GAP command operating.
  • the LCS system sets the valid time range of the LCS-GAP command to 0, which indicates that the LCS system requires the requesting end to cancel the previous gap operation.
  • the optional parameter "gap criterion" is used for the LCS system to indicate the identification criteria of the location information request that the requester needs to perform gap operations, such as a type of location information request type, a target UE identifier, etc.
  • Other standards or a combination of multiple identification standards for example, the LCS system instructs the requesting party to perform a gap operation on the immediate location information request in the "gap criterion", or the LCS system instructs the requesting party to identify the target UE in the "gap criterion" Perform gap operation for the immediate location information request initiated by 123.
  • the optional parameter "control type” is used by the LCS system to notify the requesting end of the reason for the currently activated location information request gap operation.
  • Possible cause values include “LCS system overload” and “manual start”.
  • “LCS system overload” indicates that the congestion detection mechanism in the LCS system automatically detects the congestion of the LCS system, and the LCS system automatically starts the location information request gap operation;
  • “Manual start” indicates that the service manager or network manager finds the congestion of the LCS system , And in some other cases where the location information request gap operation needs to be manually started, the location information request gap operation is started through a configuration command.
  • the priority level of “Manual Startup” is higher than the priority level of "LCS System Overload”. For example, the priority level of "Gap Indication” in “Manual Startup” is higher than the priority level of "Gap Indication” in “LCS System Overload”. .
  • the optional parameter "gap processing” is used for the LCS system to notify the requesting end of the processing method of the position information request processed by the gap operation of the position information request.
  • Possible processing methods include “direct rejection” and “negotiation delay”.
  • Direct rejection indicates that the LCS system requires the requester to directly reject the location information request processed by the location information request gap operation, and the requester informs the corresponding real requester of the reason for the current location information request being rejected;
  • “Negotiation delay” indicates The LCS system requires the requester to negotiate with the real requester who initiated the location information request that was processed by the location information request gap operation to determine whether to delay processing or cancel the current location information request. If it is determined to be delayed processing, the location information request is sent to the LCS system within the gap interval allowed in the "gap indication".
  • FIG. 2 is a flowchart of an embodiment of a location information request gap operation in the present invention.
  • the implementation process of the location information request gap operation includes the following steps: Step 201 to step 202:
  • the LCS system is in operation Status, judging whether the location information request gap operation has been initiated through a configuration command, and if so, performing step 204; otherwise, executing Step 203.
  • Step 203 The congestion detection mechanism of the LCS system dynamically detects the current load condition of the LCS system, and determines whether a position information request gap operation needs to be started. If necessary, step 204 is performed; otherwise, step 205 is performed. For example, the congestion detection mechanism of the LCS system dynamically detects whether the system resource occupation reaches a certain percentage. If the system resource occupation reaches 85%, the LCS system automatically starts the position information request gap operation; if the system resource occupation does not reach 85%, then The LCS system does not start the location information request gap operation, that is, the location information request is processed according to a normal situation.
  • Step 204 The LCS system sends an LCS-GAP command to the requester.
  • the LCS-GAP command carries required parameters, such as "gap indication” and other optional parameters, such as “gap standard", " Parameters such as "control type” and “gap processing” require the requesting end to perform gap operations on the location information request according to the parameters carried in the LCS-GAP command.
  • Step 205 The LCS system processes the currently received location information request.
  • the LCS system may continue to send LCS-GAP commands to the requesting end, requesting the requesting end to perform gap operations on the location information request according to the parameters carried in the new LCS-GAP order. For example, when the LCS system resource occupation is 85%, the LCS system requires the requesting end to send it a location information request at least every 100 milliseconds; when the LCS system resource occupation situation changes from 85% to 95%, the LCS system can again Send an LCS-GAP command to the requesting end, requesting the requesting end to send a location information request to it at least every 500 seconds.
  • the LCS system may send a request to the requester to close the location information request gap command.
  • This command may be a new command used only to indicate that the location information request is closed.
  • the gap operation command may also notify the requester that the position information request gap operation is closed by modifying parameters carried in the LCS-GAP command, and the requester no longer performs the gap operation on the position information request.
  • the LCS system's own congestion detection mechanism dynamically detects the current load condition of the system and determines that the location information request gap operation needs to be started, the LCS system automatically starts the location information request gap operation. In the LCS-GAP command, it can be set through the LCS system.
  • the "gap indication” parameter is a valid time of 5000 seconds and a gap interval of 100 ⁇ seconds, indicating that the LCS system requires the requesting end to perform a position information request gap operation on all position information requests within a time range of 5000 seconds after receiving the LCS-GAP command. At this time, the time interval for the requesting end to send continuous location information requests to the LCS system cannot be less than 100 milliseconds.
  • the LCS-GAP command may also carry a "gap standard” parameter indicating that the requesting end needs a gap operation position identification criterion.
  • the LCS system may set the "gap standard” parameter to "delayed position information request" , The requester only performs gap processing for the delayed location service request; the LCS-GAP command may also carry a "control type” parameter that notifies the requester of the reason for the currently activated location information request gap operation.
  • the LCS may set the "control type”
  • the parameter is "LCS system overload", that is, the cause of the currently activated location information request gap operation is the LCS system congestion.
  • the LCS-GAP command can also carry a "gap processing" parameter to instruct the requesting end to handle the delayed position information request processed by the position information request gap operation, for example, to instruct the requesting end to directly refuse to initiate the delayed position information.
  • the actual requester of the request carries the corresponding error cause value.
  • the LCS system can also send an LCS-GAP command to the requesting end.
  • the "gap indication" parameter can be set through the LCS system
  • the valid time range in is an invalid flag, for example, 0 seconds, which informs the requesting end that the position information request gap operation has been closed, and the requesting end no longer performs the gap operation on the position information request.
  • the LCS system can also send a request to the requesting end similarly to close the position information request gap command, requesting the requesting end not to gap the position information request. operating.
  • the management of the LCS system finds that the LCS system is in an overload condition, when the location information request gap operation is started by a configuration command, that is, the location information request gap operation is started statically, the LCS system sends an LCS-GAP command to the requesting end, requesting the requesting end to reduce The rate at which location information requests are sent.
  • the subsequent implementation process is basically the same as the above process.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé d'activation intérimaire d'une demande d'informations de localisation dans un service de localisation, liée à la technique de contrôle de flux. Ce procédé comprend : un système LCS qui juge s'il faut ou non démarrer l'activation intérimaire de la demande d'informations de localisation ; si tel est le cas, le système LCS transmet la commande intérimaire de demande d'informations de localisation à l'extrémité de demande et, après que cette dernière a reçu la commande intérimaire de demande d'informations de localisation, elle procède à l'activation intérimaire de la demande d'informations de localisation ; si tel n'est pas le cas, le système LCS traite la demande d'informations de localisation reçue. Etant donné que le système LCS transmet la commande intérimaire de demande d'informations de localisation à l'extrémité de demande, le taux de transmission d'informations de localisation est réduit. L'invention garantit la sécurité du rendement du système LCS avec un grand nombre de demandes d'informations. L'invention comprend deux modes, statique et actif, pour démarrer la demande d'informations de localisation, ce qui augmente la flexibilité du contrôle de flux du système LCS.
PCT/CN2004/000312 2003-04-07 2004-04-05 Procede d'activation interimaire d'une demande d'informations de localisation dans un service de localisation WO2004091234A1 (fr)

Applications Claiming Priority (2)

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CNB031092551A CN100355311C (zh) 2003-04-07 2003-04-07 位置业务中位置信息请求间隙操作的交互方法
CN03109255.1 2003-04-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9946850B1 (en) 2016-10-04 2018-04-17 International Business Machines Corporation Providing temporary contact information

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1851497B (zh) * 2006-02-17 2010-05-12 华为技术有限公司 一种gps无线定位的方法和系统
CN102143040A (zh) * 2010-06-30 2011-08-03 华为技术有限公司 流量控制的方法和装置

Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2002013566A1 (fr) * 2000-08-09 2002-02-14 Nokia Corporation Systeme de communication et procede permettant de limiter le nombre de demandes d'interrogation adressees a un registre d'informations
CN1398125A (zh) * 2001-07-18 2003-02-19 华为技术有限公司 一种移动智能网中大话务量业务处理方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002013566A1 (fr) * 2000-08-09 2002-02-14 Nokia Corporation Systeme de communication et procede permettant de limiter le nombre de demandes d'interrogation adressees a un registre d'informations
CN1398125A (zh) * 2001-07-18 2003-02-19 华为技术有限公司 一种移动智能网中大话务量业务处理方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9946850B1 (en) 2016-10-04 2018-04-17 International Business Machines Corporation Providing temporary contact information
US10068066B2 (en) 2016-10-04 2018-09-04 International Business Machines Corporation Providing temporary contact information

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CN100355311C (zh) 2007-12-12

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