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A SIMULATION ENVIRONMENT FOR ANALYSIS OF QoS AND SIGNALING LOAD IN MOBILE CELLULAR NETWORKS

This paper presents an implementation of a simulation tool for mobile cellular networks that uses a mobility model based on users profile, regions and time period characteristics. CELSA (Cellular Signaling Analyzer) is used for study of signaling load in mobile cellular networks, through the cost analysis of implemented procedures like power up, power down, call origination, handoff and location updating. The paper also introduces a new channel allocation scheme that uses traffic prediction information for getting adaptability to traffic fluctuations. Results for exchanged signaling load in GSM and IS-41/136 systems and a performance evaluation of the proposed channel allocation scheme comparing with other algorithms are presented for QoS based analysis mainly focusing on blocking probability and handoff failure are extracted using the CELSA simulation environment.