Building GSM network in extreme conditions

M. Mikulec; M. Voznak; M. Fajkus; P. Partila; J. Tovarek; Z. Chmelikova

doi:10.1117/12.2177027

22 May 2015 Building GSM network in extreme conditions

M. Mikulec, M. Voznak, M. Fajkus, P. Partila, J. Tovarek, Z. Chmelikova

Proceedings Volume 9478, Modeling and Simulation for Defense Systems and Applications X; 94780K (2015) https://doi.org/10.1117/12.2177027
Event: SPIE Defense + Security, 2015, Baltimore, MD, United States

Abstract

The paper is focused on the building ad-hoc GSM network based on open source software and low-cost hardware. The created Base Transmission Station can be deployed and put into operation in a few minutes in a required area to ensure private communication between connected GSM mobile terminals. The convergence between BTS station and the other networks is possible through IP network. The paper tries to define connection parameters to provide sufficient quality of voice service between the GSM network and IP Multimedia Subsystem. The paper brings practical results of voice call quality measurement between users inside BTS station mobile network and users inside IP Multimedia Subsystem network. The calls are simulated by low-cost embedded solution for speech quality measurement in GSM network. This tool is under development of our laboratory and allows automatic speech quality measurement of any GSM or UMTS mobile network. The Perceptual Evaluation of Speech Quality method is used to get final comparable results. The communication between BTS station and connected networks has to be secured against the interception from the third party. The influence of the securing method for quality of service is presented in detail. Paper, apart from the quality of service measurement section, describes technical requirements for successful interconnection between BTS and IMS networks. The authentication, authorization and accounting methods in roaming between BTS and IMS system are presented too.

Citation Download Citation

M. Mikulec, M. Voznak, M. Fajkus, P. Partila, J. Tovarek, and Z. Chmelikova "Building GSM network in extreme conditions", Proc. SPIE 9478, Modeling and Simulation for Defense Systems and Applications X, 94780K (22 May 2015); https://doi.org/10.1117/12.2177027

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