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Passive measurement tool for monitoring mobile packet network performances

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4 Author(s)
Benetazzo, L. ; Dept. of Inf. Eng., Univ. of Padova, Italy ; Narduzzi, C. ; Pegoraro, P.A. ; Tittoto, R.

Continuous monitoring of performances is necessary to detect critical situations in the radio interface of digital mobile telephone networks. This paper presents a measurement tool that analyzes Transmission Control-Protocol (TCP) level packet traffic and detects the effects of variations in the radio-channel conditions of a wireless network. The analysis algorithm considers the wavelet coefficients of the aggregated-traffic process at a suitably selected number of time scales. Variations in the energy of wavelet coefficients are detected by a statistical test, from which a score is calculated. This indicator reveals changes in the performances of the monitored network.

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Instrumentation and Measurement, IEEE Transactions on  (Volume:55 ,  Issue: 2 )