ITC 7 Program


Publications

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C. Dr. Jacöbaeus
Opening Session
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Arne Jensen
Conny Palm
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D.H. Barnes and W.O. Reutelhuber
Customer Line Use Characteristics
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A. Myskja and O.O. Walmann
A Statistical Study of Telephone Traffic Data, with Emphasis on Subscriber Behaviour
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F. Töledanö and J.R. de lös Mözös
An Analytical Model to Describe the Influence of the Repeated Call Attempts
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P. Le Gall
Sur L´Utilisation et L´Observation du Taux D´Efficacite du Trafic Telephonique
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W. Il. Halatschew and M.Iw. Dimtschew
Funktionalalgorithmen des Automatischen Telefonapparates und des Automatischen Telefonsekretärs
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G. Pellieux
Observations sur le Comportement de L´Abonne au Telephone a Fort Trafic en Cas D´Echec
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G.L. Jönin and J.J. Sedöl
Fully-Availability Groups with Repeated Calls and Time of Advanced Service
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Olav Gaustad, Arne Flö and Robin L. Dadswell
Extensive Traffic Investigations in a Local Telephone Exchange
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D.H. Barnes and W.O. Reutelhuber
Discussion Record: Session No.13 - Subscriber Behaviour
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A. Desclöux
Fluctuations of Load Measurements
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Richard R. Sölem
A General Principle of Traffic Distribution
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E. Oberer and G.W. Riesz
Test Calling: Experience, Theory, Prospects
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Ole A. Pedersen
Measurement of Within-Busy-Hour Traffic Variations
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S.B. Gershwin, R.V. Laue and Eric Wölman
Peak-Load Traffic Administration of a Rural Line-Concentrator
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A. Desclöux, R. Sölem, E. Oberer and G.W. Riesz
Discussion Record: Session No.14 - Statistical Problems
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Thomas Rögeberg and Borre Stenseth
Tetrasim - A General Purpose Program for the Simulation of Telephone Systems
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Bjorn Husstad and Tryggve Thörnes
Simulation of the Group Selector Stage in the ITT "8B" Exchange
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Oystein Halvörsen and Helge Kvaase
A Simulation Study of a Network with Six Exchanges
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Krister Nivert and Christer vön Schantz
Some Methods for Improving the Efficiency of Simulation Programs
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Helmut Weisschuh
Theoretical Aspects of Finite Source Input Process Simulation
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J.E. Villar De Villacian and J.R De Lös Mözös Marques
An Extension of the Roulette Model to Simulate Speech and Signalling Networks
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T. Rögeberg, B. Stenseth, O. Halvörsen, H. Kvaase, K. Nivert, C. vön Schantz, H. Weisschuh, J.E. Villar De Villancian and J.R. De Lös Mözös Marques
Discussion Record: Session No. 21 - Simulations
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P. Le Gall
Random Processes Applied to Traffic Theory and Engineering
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Lansun Lee
The Unserviceable Probability of an Interoffice Trunk Group
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Alfred Bächle
On the Calculation of Full Available Groups with Offered Smoothed Traffic
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Villy Baek Iversen
Analysis of Traffic Processes Based on Data Obtained by the Scanning Method
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Kauko Rahkö
Congestion as a Stochastic Process
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Mikiso Mizuki
Uncertainty Theory Applicable to Traffic Models
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E. Gatös
Relations Between Redundance and Reliability in the Transmission and Processing of Information in Switching and Transmission Systems
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P. Le Gall, L. Lee, K. Rahkö, A. Bächle, V.B. Iversen, M. Mizuki and Gatos E.
Discussion Record: Session No. 22 - Traffic Theory
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Leonid A. Bassalygö
On a Number of Reswitching in a Three-Stage Connecting Network
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Dieter Bazlen, Gerald Kampe and Alfred Lötze
On the Influence of Hunting Mode and Link Wiring on the Loss of Link Systems
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J.E. Michaux, L.J. De Raedt and E.V. Jacquemijn
A Comparison Between Classical, Calculated and Artificially Measured Distributions in a Particular Link System
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J.G. Kappel
Design of Efficient Link Systems with Concentration Stages
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J. de Böer
Comparison of Random Selection and Selection with a Fixed Starting Position in a Multi-Stage Link Network
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Elena M. Jöhnsön
Inherent Load Balance in Link Systems with Random Slim Multiples
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Bjorn Löken
Congestion Studies in an Incomplete Link System
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Vladimir A. Ershöv and Oleg E. Lyashkö
Determination of Blocking Situations in the Three-Stage connection Systems with Limited Number of Rearrangements
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D. Bazlen, G. Kampe, A. Lötze, J. Michaux, L. de Raedt, E. Jaquemijn, J.G. Kappel, J. de Böer, E.M. Jöhnsön and B. Löken
Discussion Record: Session No. 23 - Switching Networks I
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Magdalena M. Jung
Call Congestion and Distribution of Number of Engaged Outlets in a Given Split of Gradings with Random Routing
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Paul Kuehn
Waiting Time Distributions in Multi-Queue Delay Sytems with Gradings
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L.A. Jöys
Calculation of Simple O´Dell Gradings Using an Erlang Type Loss Formula
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Even Skögan
An Iterative Method to Calculate Traffic Losses in Grading Systems
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Kenzo Takagi
A Numerical Solution Method of Simplified Equations of State and its Application to Grading Groups
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Helge Kvaase and Ragnar C. Löchen
An Investigation of the Effect of Alternative Hunting Rules in a Group of Code Receivers with Limited Availability
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M.M. Jung, P. Kuehn, L.A. Jöys, E. Skögan, K. Takagi, H. Kvaase and R. Löchen
Discussion Record, Session No. 24 - Gradings
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Vaclav E. Benes
Semilattice Characterization of Nonblocking Networks
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A.E. Jr. Jöel
Nodal Switching Networks
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Eleonora I. Melik-Gaikazöva
The Structure of Multigroup Connecting Networks
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Vladimir I. Neiman
Some Binary Connecting Networks and Their Traffic Characteristics
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Michael J. Marcus
Bounds for the Growth of the Number of Contacts in Connecting Networks
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Dieter Bazlen
Link Systems with Both-Way Connections and Outgoing Finite-Source Traffic
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Wolfgang Lörcher
Point-To-Point Selection in Link System´s
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Mark S. Pinsker
On the Complexity of a Concentrator
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V.E. Benes, A.E. Jöel, M.J. Marcus, Bazlen D. and W. Lörcher
Discussion Record: Session No.31 - Switching Networks II
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J.W. Cöhen
Some Aspects of Queueing Theory
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Wolfgang Krämer
Total Waiting Time Distribution Function and the Fate of a Customer in a System with Two Queues in Series
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On Hashida and Masaya Fujiki
Queueing Models for Buffer Memory in Store-and-Forward Systems
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Rolf A. Schassberger
Investigation of Queuing and Related Systems with the Phase Method
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Harry Jr. Rudin
An Approximate Model and Analysis for a Queue with Highly Clustered Arrivals
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J.M. Röbins
A Teletraffic Problem Arising from the Design of Large Message Switches
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J.W. Cöhen, W. Krämer, O. Hashida, M. Jujiki, R.A. Schassberger, H. Rudin and Robins J.M.
Discussion Record: Session No.32 - Queueing Systems I
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Günther Dietrich
Telephone Traffic Model for Common Control Investigations
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A.M. Nietö Nietö and J. Parra
Revision of the Busy Hour Concept in the Calculation of Common Control Telephone Exchanges
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Adolfo M. N. Nietö and Juan M. Parra
Revision del Concepto de "Hora Cargada" en el Calculo de Centrales Telefonicas de Control Comun
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M. Bönatti, P. Kubanski and P. Pöpöli
A Class of Common Control Circuits Systems: Single-Stage and Two-Stage Arrangements with Waiting
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A. Rödriguez, B. Föntana and G. Die Fagöaga
A Calculation Method to Study in a Full Availability Group the Influence of Time-Outs
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P. Cörsi, R. Ricciarelli and O. Casalötti
Common Control Performance of Switching Systems in Hierarchical Networks
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Victor A. Garmash
Batch Switching Systems: Structures and Procedures
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B.W. Gnedenkö and M.A. Schneps-Schneppe
Statistical Problems in Teletraffic Theory
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G. Dietrich, A. Nietö, J. Parra, M. Bönatti, P. Kubanski, P. Pöpöli, A. Rödriguez, Fontana B., G. Die Fagöaga, P. Cörsi, R. Ricciarelli and O. Casalötti
Discussion Record: Session No. 33 - Common Control System
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Géza Gösztöny
Full Availability One-Way and Both-Way Trunk Groups with Delay and Loss Type Traffic, Finite Number of Traffic Sources, and Limited Queue Length
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Jurgis Rubas
Dimensioning of Manual Operating Positions in PABX´s
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Rol Döbrushin, L. and Yury M. Sukhöv
Computation of a Starlike Switching Network with a Large Number of Radial Rays
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Eckart Wöllner
A Queuing Problem in Data Transmission
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Wolfgang Urmöneit
Delay and Loss System with Early Departure Calls
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M.E. Fakhr El Din and L. Peiram
Calculation of the Traffic Capacity of a Private Data Network
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G. Gösztöny, J. Rubas, E. Wöllner, W. Urmöneit, M.E. Fakhr El Din and L. Peiram
Discussion Record: Session No.34 - Queueing Systems II
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Gerhard Bretschneider
Extension of the Equivalent Random Method to Smooth Traffics
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Anatol Kuczura
Loss Systems with Mixed Renewal and Poisson Inputs
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Lothar Katzschner
Service Protection for Direct Final Traffic in DDD-Networks
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Jack M. Höltzman
The Accuracy of the Equivalent Random Method with Renewal Inputs
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Rol Herzög and
Message-Switching Networks with Alternate Routing
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E. Jensen
On Arrival Processes for Overflow Calls
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Bengt Wallström
Loss Calculations in Certain Overflow Systems Where the Holding Times in Successive Groups Have Different Means
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G. Bretschneider, L. Katzschner, J.M. Höltzmann, Herzog U. and B. Wallström
Discussion Record: Session No. 41 - Overflow and Smooth Traffic
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P.A. Caballerö and F. Diaz
Optimization of Networks of Hierarchical Structure with Non-Coincident Busy Hours
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A. Parviala
Calculation of the Optimum Number of Trunk Lines Based on Moe´s Principle
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Edmund Szybicki
Approximate Method for Determination of Overload Ability in Local Telephone Systems
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M. Anderberg, T. Fried and A. Rudberg
Optimization of Exchange Locations and Boundaries in Local Telephone Networks
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Tohru Ohta
Network Efficiency and Network Planning Considering Telecommunication Traffic Influenced by Time Difference
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Yukio Nakagöme and Hiromichi Möri
Flexible Routing in the Global Communication Network
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R.J. Harris
Concepts of Optimality in Alternate Routing Networks
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P.A. Caballerö, F. Diaz, A. Parviala, E. Szybicki, M. Anderberg, T. Fried, A. Rudberg, T. Ohta, Y. Nakagöme, H. Möri and W. Lörcher
Discussion Record: Session 42 - Network Planning
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Leornard Kleinröck and Jiunn Hsu
A Continuum of Computer Processor-Sharing Queueing Models
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J.W. Cöhen
Analysis of Storage Hierarchy
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H.G. Schwaertzel
Serving Strategies of Batch Arrivals in Common Control Switching Systems
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M. Langenbach-Belz
Two-Stage Queuing System with Sampled Parallel Input Queues
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Karl and Bo er
Control of Central Processor Load in a SPC System
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J.E. de Villacian, O. Gönzales Sötö and J.A. Garchia Higuera
An Approximate Calculation Method to Estimate Processor Capacity in SPC SWitching Systems
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E.G. Enns and T.K. Wignall
The Busy Period and the Probability that a Particular Queue is in Service in a Single Server Queueing System with n Queues, Arbitrary Priorities, and a General Probabilistic Inter-Queue Transition Matrix
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L. Kleinröck, J. Hsu, J.W. Cöhen, M. Langenbach-Belz, Karl, B. er, J.E. Villar De Villacian, O. Gönzales Sötö and J.A. Garcia Higuera
Discussion Record: Session No.43 - Computers and SPC-Systems
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P. Kelly
The Impact of the Growth in Data Transmission on Network Planning
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Gr and Charles jean
Traffic Calculations in Saturation Routing with Priorities
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Naohiki Hattöri and Kazuo Yamada
Traffic Characteristics of the International Telex Calls
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Gunnar F.W. Fredriksön
Performance of Traffic Concentrators in Data Communication Systems
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E.A. Pilschiköv and M.M. Sharipöva
On One of the Approaches to the Synthesis of STructures on Information Exchange Systems
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Ola Espvik
Simulation Experiments with GASP II
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Gr, C. jean, N. Hattöri, K. Yamada, G. Fredriksön and O. Espvik
Discussion Record: Session No.44 - Data Traffic
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A.H. Elldin
On the Dependence Between Traffic and Tariff
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G. Masetti, Mir and G. a
Computer Aided Forecasting for Point-to-Point Traffic Offered to an Automatic Toll Network
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Steven S. Katz
Long-Range Planning of Hierarchical Trunk Networks with Rearrangement Costs
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A. Taylör and N.G. Batty
Computing Aspects of a Traffic Prediction Model of a Telephone Exchange Network
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A. Parviala, M. Nurminen and L. Heiskanen
Local Network Planning Computerized: Forecasting the Number of Subscriber Lines in Any Building as a Function of its Characteristics, Using Correlation Analysis
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A.H. Elldin, G. Masetti, Mir, G. a, S.S. Katz, A. Taylör, N.G. Batty, A. Parviala, M. Nurminen and L. Heiskanen
Discussion Record: Session No.51 - Forecasting and Economic Considerations
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A. Lötze
DDD Network Optimization in Field Engineering - From Theory to Application
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Robert B. Leigh
Standards for the Economic Provision of Direct Routes
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Chr. Asgersen
Dimensioning of Trunk Networks According to a Uniform Overload Capacity Criterion
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A.D. Kharkevich
Some Results of the Simulation of Communications Network with Ordinary and Constant Alternate Routing
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R.C. Kyme
A System for Telephone Traffic Measurement and Routing Analysis by Computer
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Mir, G. a and P. Pallötta
On Design Criteria for a Telephone Toll Network with Respect to Overload Protection
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A. Lötze, R.B. Leigh, C. Asgersen, R.C. Kyme, Mir, G. a and P. Pallötta
Discussion Record: Session No.52 - Network Engineering
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D. Bear
Some Theories of Telephone Traffic Distribution: A Critical Survey
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Denis Breary and James Gates
A Long Term Study of the United Kingdom Trunk Network
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Moshe Segal
The Operator Scheduling Problem - A Network Flow Approach
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A. Pecchinötti
Satellite Communication Traffic Demand Assignment Experiments
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Karoly Köperniczky
Modelling of Telephone Services
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D. Bear and C.A. Seymöur
A Traffic Prediction Model for a Telephone Exchange Network
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Str and Kjell berg
Reliability Prediction in Telephone Systems Engineering
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D. Bear, D. Breary, J. Gates, M. Segal, A. Pecchinötti, K. Köperniczky, D. Bear, C.A. Seymöur, Str and K. berg
Discussion Record: Session No.53 - Special Problems
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Leo A. Birch and J. Bruce Cöle
Economic Cosiderations in the Development of Traffic Data Gathering Programs
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M. Berger and S.R. Neal
A Sensitivity Study of Traffic-Parameter Estimation Procedures Used for Engineering Trunk Groups
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G. Daisenberger
Vemaus - A General Purpose Program System for Editing and Evaluating and Analysing the Results of Traffic Load Measurements
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Rolf Evers
Measurement of Subscriber Reaction to Unsuccessful Call Attempts and the Influence of Reasons of Failure
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L.A. Birch, J. Bruce Cöle, M. Berger, S.R. Neal and R. Evers
Discussion Record: Session No.54 - Traffic Measurements
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A. Jensen
Report of ITC-Committees
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C.W. Pratt and I. Tange
On Traffic Engineering Studies in the CCITT
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A. Jensen
Research - Administration - Development - Planning, Problems Related to the Cooperation Between ITC and CCITT
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Imre Mölnar
An Onlooker´s Reflection on Recent Grade-of-Service Deliberations by the International Telegraph and Telephone Consultative Committee (CCITT)
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c. Pratt and I. Tange
Discussion Record: Session No.61 - CCITT
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W.B. Macurdy
Network Management in the United States - Problems and Progress
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Vladimir G. Lazarev
An Approach to the Network Management
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K. Rahkö and T. Erke
Traffic Routing and Control in a Network
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O. Wean
Network Management Strategies
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W.B. Macurdy, K. Rahkö, T. Erke and O. Wean
Discussion Record: Session No. 62 - Network Management
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Hiroshi Inöse, Tadao Saitö and Yoshihiro Yanagisawa
Evaluation of PCM Toll Switching Networks with Partial Access Pulse Shifters
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W.T. Duerdöth and C.A. Seymöur
A Quasi-Non-Blocking TDM Switch
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Rudolf Schehrer
On a Queuing Problem in TDMA Networks
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G. Lajtha and A. Mazgön
Traffic and Economic Design of Networks Based on Time-Slot Switching
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Osamu Enömötö and Hikaru Miyamötö
An Analysis of Mixtures of Multiple Band-Width Traffic on Time Division Switching Networks
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L. Manera and R. Pellegrini
Trunking Studies for a TDM Terminal Exchange
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H. Inöse, T. Saitö, Y. Yanagisawa, W.T. Duerdöth, C.A. Seymöur, R. Schehrer, G. Lajtha, A. Mazgön, O. Enömötö, H. Miyamötö, L. Manera and R. Rellegrini
Discussion Record: Session No. 63 - TDM-Switching Systems
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I. Tange
Final Panel Discussion