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A simple algorithm of quick assignment of Gateway Mobile Location Center (GMLS) request ID

A technology of mobile location center and allocation algorithm, which is applied in the direction of selection device, network traffic/resource management, electrical components, etc., can solve problems such as difficult to realize high-speed positioning of the system, reduce system performance, HASH collision, etc., and achieve simple and compact system structure, Improve system efficiency and save system resources

Inactive Publication Date: 2005-09-07
BEIJING NORTHEN FIBERHOME TECH CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

When using this method to find the user context through the Request ID during process processing, HASH (hash) operations need to be performed, and the HASH collision problem needs to be solved, which greatly reduces the performance of the system and makes it difficult to achieve high-speed positioning of the system

Method used

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  • A simple algorithm of quick assignment of Gateway Mobile Location Center (GMLS) request ID
  • A simple algorithm of quick assignment of Gateway Mobile Location Center (GMLS) request ID
  • A simple algorithm of quick assignment of Gateway Mobile Location Center (GMLS) request ID

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Experimental program
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Embodiment Construction

[0020] specific implementation

[0021] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0022] see figure 1 .

[0023] The flow of the le interface 103 is as follows figure 1 shown. 101 is a wireless network supporting the positioning function. The gateway mobile location center 102 accepts the location service request 104 sent by the external location service application entity 106 through the le interface 103, and the GMLC 102 obtains location information through the wireless network, and then sends a location response 105 through the le interface 103 to the location services application 106 .

[0024] see figure 2 .

[0025] The allocation and recycling algorithm of Request ID is as follows: figure 2 shown.

[0026] A shows a queue of a Request ID. The GMLC system initialization queue is a continuous integer from 1 to MAXNUMBER (the maximum number of processes in the system). We will allocate IDs from the ...

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PUM

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Abstract

The invention discloses a simple algorithm for fast allocating request identifications of gateway mobile position center, characterized in that: reusing context identification of locating flow in the equipment of the said center as request identification of Ie interface and mapping the integral-form context identification of locating flow as character string-form request identification of Ie interface; the mapping between the said context identification and request identifications: the said context identification is an integral number and the number in each position of the integral number is converted into a corresponding character, and all the characters are arranged into a character string, which acts as an request identification to be transmitted through Ie interface to a LCS client as an only request identification. The invention can make GMLC only need to manage the allocation and recovery of flow context ID instead of request ID, thus saving system resources and besides, can make the structure of the GMLC system compact and effective.

Description

[0001] Field [0002] The invention relates to the realization of the le interface of the GMLC (Gateway Mobile Location Center) equipment in the 3G system. Background technique [0003] LCS (Location Service), also known as location service, determines the actual geographic location of a mobile user through the cooperation of wireless terminals and wireless networks, thereby providing location-based services required by users. GMLC is a logical functional entity supporting location services in PLMN (Public Land Mobile Network). GMLC provides location-based services parallel to other communication methods such as voice, SMS, and data services. GMLC is the first network node for an external LCS Client (location service client) to enter the PLMN. GMLC connects with external LCS Client through le interface. GMLC responds to the location request of LCS Client, and obtains location information from VMSC / SGSN (visiting mobile switching center / serving GPRS support node) through lg ...

Claims

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Application Information

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IPC IPC(8): H04W28/06H04W64/00
Inventor 李志波郑亮
Owner BEIJING NORTHEN FIBERHOME TECH CO LTD
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