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Apparatus and method for frequency planning for a cellular communication system

A technology for cellular communication system and frequency planning, applied in network planning, wireless communication, device selection, etc., can solve problems such as performance degradation of cellular communication system, reduce computing resources and/or time, reduce the number of interference relationships, and improve performance Effect

Inactive Publication Date: 2008-12-24
MOTOROLA MOBILITY LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this leads to a sub-optimal frequency plan and thus to overall performance degradation of the cellular communication system

Method used

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  • Apparatus and method for frequency planning for a cellular communication system
  • Apparatus and method for frequency planning for a cellular communication system
  • Apparatus and method for frequency planning for a cellular communication system

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Embodiment Construction

[0043] The following description focuses on an embodiment of the invention applicable to the frequency planning of the GSM cellular communication system. However, it should be understood that the invention is not limited to this application, but is applicable to many other applications and communication systems. In particular, the present invention will be described with reference to a communication system such as that shown in FIG. 1 .

[0044] Figure 1 shows the interrelationships between different types of network elements in a GSM cellular communication system.

[0045] A mobile station (MS) 101 is capable of moving within the coverage area of ​​a cellular communication system and receives communication services from a plurality of base transceiver stations (BTS), each of which serves a service covering the entire coverage area of ​​the cellular communication system part of the neighborhood. At any time when the MS 101 is turned on, the MS 101 is in radio communication w...

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Abstract

The invention relates to frequency planning in a cellular communication system, such as a GSM cellular communication system. An apparatus for frequency planning comprises an interference matrix processor (201) which generates an interference matrix comprising interference relationships between different cells. For example, carrier to interference or interference penalty values for cell pairs can be determined. An interference matrix limiter (203) limits the number of interference relationships to a first number, N, of highest interference relationships for each cell. The first number N can be determined in response to the re-use pattern and number of frequencies available for the frequency plan. A frequency plan processor (205) then proceeds to perform a frequency planning using the interference matrix.

Description

technical field [0001] The present invention relates to equipment and methods for frequency planning of a cellular communication system, and particularly, but not exclusively, to frequency planning of a Global System for Mobile Communications (GSM) cellular communication system. Background technique [0002] Currently, the most common cellular communication system is the second generation communication system known as the Global System for Mobile Communications (GSM). A further description of the GSM TDMA communication system can be found in "The GSM System for Mobile Communications" by Michel Mouly and Marie Bernadette Pautet (Bay Foreign Language Books, 1992, ISBN2950719007). [0003] Recently, third generation systems have been rolled out in many areas to further enhance the communication services provided to mobile users. One such system is the Universal Mobile Telecommunications System (UMTS), which is currently being deployed. A further description of CDMA and in par...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/20H04W16/10
CPCH04W16/10
Inventor 西蒙·布鲁施
Owner MOTOROLA MOBILITY LLC
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