Analysis of Intermodulation Interferences of GSM System on GSM - R System

SHAO Xiang

Journal of Railway Engineering Society ›› 2012, Vol. 29 ›› Issue (6) : 83-87.

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PDF(738 KB)
Journal of Railway Engineering Society ›› 2012, Vol. 29 ›› Issue (6) : 83-87.

Analysis of Intermodulation Interferences of GSM System on GSM - R System

  • SHAO Xiang
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Abstract

Research purposes: Though the analysis of the frequencies and the possible second - order and third - orderintermodulation interferences of the public GSM system and GSM - R system,the computer simulation is made to findout the interferences combinations for putting forward the advices on the frequency planning of the public GSM system along the railway.
Research conclusions:(1)The possibility of the intermodulation interferences of the public GSM system on the GSM -R system is high. (2)The frequency planning of public GSM system alone railway shall be planned according to the used frequency of GSM - R system,so that the GSM - R system will not interfered by GSM system and safety of railway operation can be ensured. (3)When the business enterprise adjusts and optimizes the GSM - R network being along the railway,it is necessary to know the frequency points for GSM - R for optimizing to avoid the interference on the GSM - R system.

Key words

GSM - R system / GSM system / intermodulation interference / frequency planning

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SHAO Xiang. Analysis of Intermodulation Interferences of GSM System on GSM - R System[J]. Journal of Railway Engineering Society, 2012, 29(6): 83-87

References

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