Method and system for calculating the 2G-3G neighborhood

A 2G-3G, adjacent cell technology, applied in the direction of network planning, electrical components, radio/induction link selection arrangement, etc., can solve the problem of impossible to optimize network usage, regardless of other characteristics of field level, etc.

Inactive Publication Date: 2005-12-28
SOC FR DU RADIOTELEPHONE SFR
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] The disadvantage of this method is that it does not consider other characteristics besides the field level when selecting the base station to be handed over to
In other words, it is not possible to optimize the use of the network

Method used

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  • Method and system for calculating the 2G-3G neighborhood
  • Method and system for calculating the 2G-3G neighborhood
  • Method and system for calculating the 2G-3G neighborhood

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Embodiment Construction

[0056] will now refer to figure 1 , figure 2 and image 3 The invention is described.

[0057] The computer equipment (1) according to the invention is used to calculate the 2G-3G adjacency, thereby allowing the difference between systems of different generations when a dual mode radio terminal moves between these systems within the cellular radiotelephone network (4). Parameterization of automatic transfer of connections. figure 1 The shown device (1) comprises storage means (10), computing means (11) and first selection means (12). The storage means (10) may comprise: a first memory (101) for storing data representing a geographical area covered and divided into a plurality of points or pixels by the cellular radiotelephone network (4); and a second memory (102), for storing data representing the division of the network into a plurality of radio cells (20, 30); and a third memory (103) for storing coverage data at any point in the network (4).

[0058] The split achiev...

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Abstract

The method involves determining a wireless cell zone (A) and a source frequency band utilized in one system. An output cell corresponding to the zone (A) and the determined band is selected in a hierarchy table (T). A list of cells belonging to another system and neighborhood of the output cells is generated from the table. An input cell is selected in the list of cells based on a selection criterion. An independent claim is also included for computing equipment implementing a method of calculating second and third generation systems` neighborhood.

Description

technical field [0001] The present invention relates to cellular radiotelephone networks, and more particularly to a method for computing 2G-3G adjacencies for the purpose of improving radio coverage within operator-managed networks, thereby providing 2G (e.g. GSM, GPRS, Method and system for automatic transfer of connections between CDMA, etc.) and 3G (UMTS) systems. Background technique [0002] A cellular radiotelephone network comprises a plurality of radio base stations equipped with transceivers providing radio coverage of areas defining respective cells. A very common cellular radiotelephone communication system today is a CDMA (Code Division Multiple Access) system. The use of spread spectrum CDMA technology can provide very high speeds for mobile terminals. Thus, for many operators the latest CDMA standard (eg Wideband CDMA: W-CDMA), the so-called third generation (3G) standard is in the deployment phase. Therefore, the mobile terminal must be compatible with bot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W36/14
CPCH04W24/02H04W36/14H04W36/00835H04W16/22
Inventor 迪迪埃·杜芒伊马德·法特塔赫苏达柏赫·塞尔弗朗所瓦·文森特
Owner SOC FR DU RADIOTELEPHONE SFR
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