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Method for determinig a mobility index for a mobile unit

A mobile unit and mobility technology, applied in the direction of electrical components, selection devices, wireless communication, etc., can solve problems such as resource shortages, and achieve the effect of reducing paging load

Inactive Publication Date: 2006-04-05
LUCENT TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Resource shortages may ensue if too many cells receive each page

Method used

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  • Method for determinig a mobility index for a mobile unit
  • Method for determinig a mobility index for a mobile unit
  • Method for determinig a mobility index for a mobile unit

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Experimental program
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Embodiment Construction

[0024] refer to Figures 1 to 10 The present invention can be better understood. figure 1 The cellular grid 199 of the wireless communication system 100 is depicted in accordance with an exemplary embodiment of the present invention. The wireless communication system 100 includes a mobile switching center (MSC) (not shown) and a plurality of base stations 111 to 117 . Each base station transmits and receives signals within the coverage area delineated by cells 101 to 107, respectively. The MSC performs call processing, resource management, and other functions for the wireless communication system 100, and controls and communicates with the base stations 111 to 117.

[0025] Base stations 111 through 117 communicate with mobile units located within their cells. The mobile unit is able to move between cells, in which case communication with the mobile unit is handed over to a new base station associated with the new cell.

[0026] It has been found that mobile units are not ...

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Abstract

The present invention provides a method for paging a mobile unit. A mobility index is calculated for a mobile unit. The mobility index is calculated using the last interaction of the mobile unit with the MSC, the cell sector of the mobile unit, and the time of the last interaction between the mobile unit and an MSC. The system determines the number of cells to page based upon the mobility index, preferably by utilizing the time since the last interaction between the mobile unit and a Mobile Switching Center.

Description

technical field [0001] The present invention relates generally to mobile communication systems, and in particular, the present invention relates to a method of paging a mobile unit in a mobile communication system. Background technique [0002] In a mobile or wireless communication system, a mobile unit has the ability to roam within the wireless communication system. When a wireless communication system receives a call request for a mobile unit, the communication system must locate the mobile unit to complete the call. [0003] When powered up, or when a call is placed, the mobile unit registers with the wireless communication system. It would be desirable for the communications system to always know the location of all mobile units, but this would require each mobile unit to send a location update whenever it moves to a new cell. This would be very inefficient since the communication system only needs to know the location of the mobile unit when receiving an incoming cal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04W68/00H04W68/04
CPCH04W68/04
Inventor 顾正彦大卫·M·沙伊贝尔胡特小哈罗尔德·罗伯特·史密斯卡尔·卓塞弗·斯皮斯
Owner LUCENT TECH INC