Search Results - "Bregni, S."

Accurate estimation of the Hurst parameter of long-range dependent traffic using modified Allan and Hadamard variances by Bregni, S., Jmoda, L.

“…Internet traffic exhibits self-similarity and longrange dependence (LRD) on various time scales. In this paper, we propose to use the Modified Allan Variance…”
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An Empirical Study on Time-Correlation of GSM Telephone Traffic by Bregni, S., Cioffi, R., Decina, M.

“…In this paper, we investigate possible time correlation of answered call arrivals in sets of real GSM telephone traffic data. Instead of attempting to model…”
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Clock stability characterization and measurement in telecommunications by Bregni, S.

“…Clock stability characterization and measurement for telecommunications pose peculiar issues and requirements. This paper aims to provide an overview on this…”
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Architectures and performance of AWG-based optical switching nodes for IP networks by Bregni, S., Pattavina, A., Vegetti, G.

“…In order to support the continuous growth of transmission capacity demand, optical packet switching technology is emerging as a strong candidate, promising to…”
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Slot Synchronization of a WDM Packet-Switched Slotted Ring by Bregni, S., Gaudino, R., Pattavina, A., Carzaniga, D., Antonino, A.

“…In this paper, we present two different strategies of slot synchronization in wavelength-division-multiplexing (WDM) packet-switched slotted-ring networks…”
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Measurement of maximum time interval error for telecommunications clock stability characterization by Bregni, S.

“…Maximum time-interval error (MTIE) is historically one of the main time-domain quantities considered for the specification of clock stability requirements in…”
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Performance Evaluation of Deflection Routing in Optical IP Packet-Switched Networks by Bregni, Stefano, Pattavina, Achille

“…In previous papers [5,6], an optical switch architecture was proposed to handle variable-length packets such as IP datagrams, based on an AWG device to route…”
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Fast computation of maximum time interval error by binary decomposition by Bregni, S., Maccabruni, S.

“…Maximum time interval error (MTIE) is historically one of the main time-domain quantities for the specification of clock stability requirements in…”
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Compared Accuracy Evaluation of Estimators of Traffic Long-Range Dependence by Bregni, Stefano

“…Internet traffic exhibits self-similarity and long-range dependence (LRD). Accurate estimation of statistical parameters characterizing self-similarity and LRD…”
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Improving GFDM Symbol Error Rate Performance using “Better than Nyquist” Pulse Shaping Filters by Kumar, Atul, Magarini, Maurizio, Bregni, Stefano

“…Fourth generation (4G) cellular systems have been optimized to provide high data rates and reliable coverage to mobile users. New waveforms at the physical…”
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Jitter testing technique and results at VC-4 desynchronizer output of SDH equipment by Bregni, S., D'Agrosa, M., Valtriani, L.

“…Specifications relative to jitter and wander generation, at the output of desynchronizer systems, represent one of the hottest topics in characterizing SDH…”
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Benefits of Elastic Spectrum Allocation in Optical Networks with Dynamic Traffic by Bregni, Stefano, Recalcati, Michael, Musumeci, Francesco, Tornatore, Massimo, Pattavina, Achille

“…Traditional optical core networks based on Wavelength Division Multiplexing (WDM) provide optical channels (wavelengths) rigidly allocated over the optical…”
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Experimental evaluation of the impact of network frequency synchronization on GSM quality of service during handover by Bregni, S., Barbieri, L.

“…Poor accuracy of frequency references used in GSM base transceiver stations (BTS) can lead to dropped calls, slow handover between cells and even co-channel…”
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Accurate Estimation of the Hurst Parameter of Long-Range Dependent Traffic Using Modified Allan and Hadamard Variances by Bregni, Stefano, Jmoda, Luca

“…Internet traffic exhibits self-similarity and long-range dependence (LRD) on various time scales. In this paper, we propose the use of modified allan variance…”
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The modified Allan variance as time-domain analysis tool for estimating the Hurst parameter of long-range dependent traffic by Bregni, S., Primerano, L.

“…Experimental measurements show that Internet traffic exhibits self-similarity and long-range dependence (LRD). A delicate issue is the estimation of traffic…”
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Timing-rearrangements of SEC and SASE slave clock chains due to non-small input phase and frequency hits in synchronization networks by Bregni, S., Biffi, D.

“…In synchronization networks, chains of slave clocks (viz. SASE, SEC) transfer timing along synchronization trails. Hence, the need to assess precisely the…”
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Enhanced loss differentiation algorithms for use in TCP sources over heterogeneous wireless networks by Bregni, S., Caratti, D., Martignon, F.

“…Loss differentiation algorithms (LDA) are used to provide TCP with an estimate of the cause of packet losses, to improve performance over heterogeneous…”
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Traffic performance of buffering strategies in all-optical nodes for IP networks by Bregni, S., Pattavina, A., Vegetti, G.

“…In order to support the continuous growth of transmission capacity demand, optical packet switching technology is emerging as a strong candidate, promising to…”
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On the analysis tools of traffic fractality by Pattavina, A., Bregni, S., Galimberti, L.

“…The deep changes undergone by network traffic have strongly impacted its statistical characterization. The traditional assumptions on traffic characteristics…”
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Cost-Performance Optimization of SSL-Based Secure Distributed Infrastructures by Bregni, S., Giacomazzi, P., Poli, A.

“…Business-to-Business and Business-to-Customer transactions in Internet require secure communication, especially for web applications. The Secure Socket Layer…”
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