ITC 9 Program


Publications

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N.D. Blair and W.S. Jr. Hayward
New Methods for Administrative Area and Local Entity Usage Forecasting
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E. Böhn, W. Wacker and P. Thörntön
Causal Models for Forescasting Telephone Services by Market Sectors
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A.J. David and C.D. Pack
The Sequential Projection Algorithm: A New and Improved Traffic Forecasting Procedure
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R.H. Harris and R.E. Sharkey
Implementing the Sequential Projection Algorithm in an Operating Telephone Company
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R. Khadem and A. Schultzki
Planning and Forecasting Using a Simulation Model
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A.N. Macdiarmid
A Growth Rate Forecast System for Intertoll Traffic
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P, R.N. ya and W.R. Röbinsön
Application of an Empirical Bayes Technique to Telephone Traffic Forecasting
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P.V. Bezdek
Traffic Routing and Trunk Forecasting With a Computer-Based System
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P. Dahlström, L.E. Sjöström and K. Nivert
Some Measurements of the Traffic Between Subscribers in Small Geographical Areas
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J.L. Debbiesse and G. Matignön
Comparison of Different Methods for the Calculation of Traffic Matrices
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E. de Hert
Traffic Distribution for the Base Unit-Remote Switching Unit Entity
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L. Lee
A Traffic Forecast Technique for Network Planning
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K. Palmöwska
A Study of Traffic Distribution Models with Reference to the Polish Telex Network
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V.A. Bölötin and V.S. Prököpövich
Characterizing Traffic Variations
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P. Le Gall
Further Studies on Lost Call Telephone Traffic
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H. Geprägs and U. Höfle-Isphörding
A Renewal Theoretic Approach to the Solution of Traffic and Reliability Problems
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J.M. Höltzman and D.L. Jagerman
Estimating Peakedness from Arrival Counts
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V.B. Iversen
The Effect of Holding Times on Loss Systems
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A. Myskja
Modelling of Non-Stationary Traffic Processes
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R. Syski
Perturbed Markovian Queues in Teletraffic Theory
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J. Biöt and J. Massnat
On the Observation and Augmentation of Subscriber Lines with High Probability of Being Busy
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J.P. Farr and E.H.J. Waldrön
Observations of User Behaviour and Service Quality for a Long Distance Telecommunications Network Under Sustained Traffic Overload
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K.S. Liu
Direct-Distance-Dialing Call Completion and Customer Retrial Behaviour
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N.W. Macfadyen
Statistical Observation of Repeat Attempts in the Arrival Process
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J.W. Röberts
Recent Observations of Subscriber Behaviour
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Pk Roy Chöudhury, Mn Shukla and Tr Wadhwa
Effect of Subscriber Behaviour and Traffic Abnormalities on the Design of SPC EXchanges
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A. Asher
ISTC: Integrated System for Traffic Measurements and Control
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S. Gabarda, J.L. Garcia and F.J. Gimenö
The Sapart Network. Auxiliary System Engineering for Planning and Analysis of Telephone Networks
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R.F. Grantges, G.W. Riesz and B.E. Snyder
Evolution of the Total Network Data System
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K. Rahkö
Traffic Measurements for Telephone Network Planning
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H. Bödard and J.P. Guerineau
Observations of the Quality of Service of International Traffic by Means of a Minicomputer
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A. Desclöux
Stochastic Models for Service Evaluation Systems
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E.W. Gregöry and D.J. Sönghurst
Measurement and Analysis of Subscriber Traffic Rates
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M. Herzberg
Automatic Message Supervision System (AMSS)
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J.M. Kraushaar and R.R. Mina
A Traffic Measuring Device Based on the Concept of State Transition
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S.R. Neal
Effective Network Administration in the Presence of Measurement Uncertainty
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J. Szczepanski
An Analog-Digital Method for Measuring Parameters and Probability Distributions of the Telephone Traffic
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G. Daisenberger
Reliability of Combined Measurement of Mean Holding Time and Traffic Load Based on Counting Calls and Sampling Seizure States
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K. Jöbmann
Optimization of Monte-Carlo-Simulation
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L. Kösten
Accuracy of Estimating Congestion Quantities from Simulation Results
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C.B. Milne
The Distribution of Measured Traffic with Poisson Call Arrivals
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M. Mizuki
Significance of Time Tagging in Each Simulated Sequence
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L. Peiram
Accurace of Measurements of Markovian Service Systems
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F. Schreiber
Improved Simulation by Application of the Objective Bayes-Statistics
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K. Stördahl, B.H. Söllie and E. Damsleth
Confidence Limits for the Expected Telephone Traffic in Simulation Models Using Arma-Models
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H. Akimaru, H. Tökushima and T. Nishimura
Derivatives of Wilkinson Formula and Their Application to Optimum Design of Alternative Routing Systems
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L.T.M. Berry
A Telephone Network Performance Model
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K. Lindberg
The Accuracy of Carried Traffic Measurements with Applications to Supervision of Overflow Systems
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D.R. Manfield and T. Döwns
A Moment Method for the Analysis of Telephone Traffic Networks by Decomposition
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J. Miernik
Estimation of Traffic Service in a System of Full-Availability Trunk Groups with Mutual Overflow
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K.M. Olssön
The Variance of Time Congestion in the Final Route of an Alternative Routing System
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R.M. Pötter
The Equivalent non Random Method and Restrictions Imposed on Renewal Overflow Systems by the Specification of a Finite Number of Overflow Traffic Moments
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A. Rucinski and A. Klimöntöwicz
Estimation of Service Effectiveness of Overflow Traffic Component Flows in Overflow Systems with Full-Availability Trunk Groups
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B. Wallström and L. Reneby
On Individual Losses in Overflow Systems
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D.H. Barnes
Observations of Extreme Value Statistics in Small Switching Offices
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R. Evers and G. Mrözynski
Performance Index Describing the Degradation of the Grade of Service in Servie-Integrated Systems with Overload
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K.A. Friedman
Extreme Value Analysis Techniques
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P. Lehtinen
Extreme Value Control and an Additive Seasonal Moving Average Model for the Evaluation of Daily Peak Hour Traffic Data
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R. Mina and J.M. Kraushaar
The Role of Traffic Engineering in the Environment of a Regulated Monopoly Telephone Service
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L.F. Nömbela
Spacing Theory in Some Traffic Topics
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R.C. Jr. Stöne and J.A. Sheft
Traffic Engineering of a Remotely Controlled Switching Systems
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Str and K. berg
Measures of Effectiveness Performance Applied to Telecommunication
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V. Gechtman and D. Biran
Mathematical Model of Telephone Subscriber
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H.Y. Kraepelien
Frequency Distribution of Subscribers by their Monthly Local Traffic
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K. Stördahl and T. Bakken
Improved Utilisation of the Telephone Network Through Introduction of Differentiated Rates
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P. Tödöröv and K. Mirski
L´Influence du Degré de Développement Téléphonique et Des Tarifs Sur le Trafic Téléphonique
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M. Werner
Productivity Based Planning Model for Teleglobe Canada
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A.H. Elldin
Traffic Capacity of Highly Loaded Link Systems
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G. Gallassi
Blocking in Three-Stage Digital Switching Networks
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H. Höfstetter and D. Weber
Traffic Behaviour of Reversed Link Systems With Short Path Possibilities
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O.A. Pedersen
Link System Effective Availabilities for Point-to-Point Selection
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A. Röder
The Loss of One-Sided Link Systems With Short Path Connections
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Rudolf Schehrer
On the Calculation of Full Access Groups for Internal and External Traffic With Two Types of Sources
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Miloslav Stastny
The Method of Loss Calculation in the Class of Eight-Stage Link Systems
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W. Urmöneit
Reduction of the Rank of the System of Linear Equations to be Solved for the Exact Calculation of the Loss Probability of Link Systems
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E. Walker
Link Systems-Access to Outgoing Routes Connected to a Number of Switches
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F.K. Hwang
Superior Channel Graphs
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L.T. Köczy
A Mathematical Model of Path Searching in General Type Switching Networks
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M. Kubale
Worst-Case Analysis of Some Algorithms for Rearranging Three-Stage Connection Networks
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A. Lötze, K. Röthmaier and R. Scheller
TDM Versus SDM Switching Arrays - A Comparison
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K. Okada, M. Imase and H. Ichikawa
New Architecture and the Traffic Aspects of Switching Network Using Microprocessors
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K. Röthmaier and R. Scheller
Design of Economic PCM-Arrays With a Prescribed Grade of Service
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K. Takagi
Generalized Optimal Channel Graphs for Slip Connections in a Class of Link Systems
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D. Bear
An Approximation for the Delay Distribution of the M/G/N Queue and an Exact Analysis for the M/E2/N Queue with Random Service
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O.J. Böxma
Two Queues in Series with Non-Overlapping Service Times
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W. Bux
Single Server Queues with General Interarrival and Phase-Type Service Time Distributions-Computational Algorithms
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B. Eklundh and B. Stavenöw
Some Transform Approaches to the Computation of the Normalization Constant in Queueing Networks
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D.E. Ebeveritt and T. Döwns
The Output of Multiserver Queueing Systems with Poisson Input
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W.M. Jölley
Analysis of Delays by Counting Events
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W.M. Jölley and R.J. Harris
Analysis of Post-Call Activity in Queueing Systems
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M. Segal
On the Delay-Ratio Queue Discipline
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W.B. Elsner
Dimensioning Trunk Groups for Digital Networks
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P. Jr. Fleming
Traffic Considerations of New Generation of Telephone Set
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P. Jr. Fleming
Traffic Consideration of Digital Class 5 Offices
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G. Hölmberg and P. Lindberg
Optimization of Digital Local Networks Taking Reliability Aspects Into Account
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A. Marlevi
Use of Stochastic Models in Choosing Networks Synchronization Methods, Clock Stabilities and Elasctic Buffer Sizes
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G. Mrözynski
Reliability of Service Integrated Communication Networks and Its Dependencies of Traffic Load and Traffic Distribution
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F.A. Aagesen
A Traffic Study on the Satellite Channel Access Algorithm CPODA
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L. Kleinröck
On a New Class of Queueing Models for Distributed Environments
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U. Körner
Analysis of Shared Storage in a Computer Communication Network
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E. Lera and E.A. Smith
Treatment of Some Important Aspects of Data Network Planning
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S. Bastiani and P. Kubanski
Specific Call Congestion of Multi-Flow Bulk Traffic in Loss Systems
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W. Bux and L. Truöng
High Level Data Link Control Traffic Considerations
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J. W. Cöhen
On Networks with Generalized Processor Sharing (and a New Property of Erlang´s B Formula)
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U. Herzög
Performance Characteristics for Hierarchically Organized Multiprocessor Computer Systems With Generally Distributed Processing Times
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F. Kamöun
A Drop and Throttle Flow Control (DTFC) Policy for Computer Networks
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J. Matsumötö and H. Möri
Congestion Control in Packet Switched Networks by Gradual Restirctions of Virtual Calls
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T. Saitö, H. Inöse and S. Hayashi
Evaluation of Traffic Carrying Capability in One-Stage and Two-Stage Time-Division Networks Handling Data With a Variety of Speed Classes
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C. Vrana
Some Results from a Simulation of Queueing Networks with Dependent Service Times
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C. Fujihashi and E. Gambe
Traffic Properties of Multi-Stage Waiting Systems
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R.B. Haugen and G. Fredriksön
Traffic Analysis of an Overloaded Telephone Network With Both Centralized and Distributed Control
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P.J. Kühn
Analysis of Switching System Control Structures by Decomposition
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J. Seraj, A.A. Nilssön and W.J. Stewart
On the Use of Diffusion Approximation for Modelling Multiprocessor Systems
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D. Rapp
Some Queueing Models of AXE-10
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J.M. Salles
An Approximate Model for A Conventional Telephone Exchange
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R. Addie, G. Cödsi, Gerr, P. and M. Rubinstein
A General Exchange Simulator for Capacity Studies of Telecommunication Systems
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M.D. Chambers, J.G. Kappel and A.A. Stöckert
Large ESS Traffic Engineering Methods
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L.J. Förys and H. Zucker
A Characterization of Traffic Variability for SPC Systems
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G. Jönin and J. Sedöl
Simulation Language Palm
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M.M. Jung
Busy Period Distribution of a Single Server Queueing System, to Which Traffic is Offered Via a Clock-Pulse Operated Gate
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R. Lehnert
A Special Processor for the Fast Simulation of Queueing Networks
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O.G. Sötö, J.A.G. Higuera, C.D. Berzösa and L.M. Miguez
An Approach to Flexible Modeling and Simulation for Control Processor Analysis
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M. Wizgall, W. Krämer and J. Mayer
The Flow of Control Data Within the Analog Concentrator of the System IFS
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P. Böstica, M. Buttö and A. Tönietti
Statistical Methods for Detecting Overloads in a Trunk Group
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A. Briccöli
Comparison of Regulation Methods for Traffic Overloads in SPC Systems
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E. Damsleth, B.H. Söllie and T. Bakken
A Time-Series Transfer Model for the Relationships Between Registers and Junctors in a Telephone Exchange, With Applications to Traffic Control
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F.C. Schöute
Optimal Control and Call Acceptance in a SPC EXchange
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P. Sömöza and A. Guerrerö
"Dynamic Processor Overload Control" And its Implementation in Certain Single-Processor and Multiprocessor SPC Systems
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J. de Böer
Maintenance Interval for a Full Availability Group of Devices in a Loss System
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P.K. Das and D.G. Smith
The Performance of Various Gradings Under Severe Load Unbalance
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S.S. Katz
Improved Traffic Network Administration Process Utilizing End-To-End Service Considerations
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K. Ködaira and T. Ueda
Balanced Skip Multiples and Their Witing Algorithms
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G. Mörales, A. Crespö and M.G. Rafart
Study of Traffic Imbalance in Subscriber Matrices
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E. Shikiba, T. Mihara, K. Mizuashi and H. Kaiba
A Report on Telephone Traffic Variation in Japan
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M. Akiyama
Variable Communication Network Design
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W.C. Chan
An Economic Method for Improving Telephone Network Serviceability
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B. Henniön
Feedback Methods for Calls Allocation on the Crossed Traffic Routing
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R.W. Hörn
End-To-End Connection Probability - The Next Major Engineering Issue?
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R.N. Raö
Improved Trunk Engineering Algorithm for High-Blocking Hierarchical Networks
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M. Rest and U. Yechiali
Optimal Allocation of Telephone Cable Drums to Construction Sites a Cutting Stock Problem with a Generalized Objective Function
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K.K. Basu
Optimizing Telephone Network With Alternate Routes: An Integer Programming Solution
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P.M. Camerini, L. Fratta and F. Maffiöli
Some Results on the Design of Tree-Structured Communication Networks
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L. Engvall
International Network Optimization Methods
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S. Guitönneau and B. Camöin
Network Design Taking Into Account Breakdowns and Traffic Overloads
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C. Harvey and C.R. Hills
Determining Grades of Service in a Network
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G. Sallai
An Optimum Strategy for Improving Network Traffic Throughput With Resources Constraints
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D. Grillö
Telephone Network Behaviour in Repeated Attempts Environment a Simulation Analysis
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D.G. Haenschke
Network Management Systems in the United States
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O. Hashida, S. Nakajima, K. Okada and M. Shinöhara
Congestion Mechanisms and Overload Control in Telephone Networks
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A.C.M. Höpmans and R. van der Ven
Service Protection for Special Traffic Flows
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N.K. Sinha
A Systems Approach to Telecom Network Management