ITC 8 Program


Publications

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J. Michaux, J. W. Cöhen, P. Le Gall, D. Bazlen and W. Lörcher
Discussion Record: Session No. 12 - Analysis of Busy Signal Systems
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L.A. Gimpelsön and J. Rice
"EPG" - A Tribute to E.P.G. Wright (1899-1974)
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Jacques Michaux
On the Conditional Blocking Probabilities in a Link System for Preselection
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W. II Halatschew, Dimtschew M. Iw. and P.D. Iwanöw
Functional Algorithm and Structural Switching of Special Automatic Telephone Information Equipment
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W. II Halatschew, Dimtschew M. Iw. and P.D. Iwanöw
Functional Algorithm and Structural Switching of Special Automatic Telephone Information Equipment
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J.W. Cöhen
On Erlang´s Formula for the Loss System M/G/K
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P. Le Gall
General Telecommunications Traffic Without Delay
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Dieter Bazlen and Wolfgang Lörcher
The Influence of a Preceding Selector Stage on the Loss of Gradings
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M. Eisenberg, R. Franks, H. Heffes, J. Höltzman, S. Höring, J. Augustus, J. Harringtön, H.A. Guess and J.G. Kappel
Discussion Record: Session No.13 - Dimensioning Methods 1
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Vladimir I. Neiman
Structural Properties of Connecting Networks
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Martin Eisenberg
Multihour Engineering in Alternate-Route Networks
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R.L. Franks, J.M. Höltzmann and S. Höring
A Model Relating Measurement and Forecast Errors to the Provisioning of Direct Final Trunk Groups
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John Augustus
Traffic Models for the Traffic Service Systems (TSS)
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James S. Harringtön
Equivalent High Usage Circuits and Their Application in the Analysis and Design of Local Networks Employing Alternate Routing
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H.A. Guess and J.G. Kappel
An Engineering Method to Account for Link Congestion Effects on Dial Tone Delay
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G. Gösztöny, G. Höni, B. Sagerhölm, K. Rahkö, J. Rubas, D.T. Nightingale and J.P. Farr
Discussion Record: Session No.14 - Dimensioning Methods 1
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Géza Höni and Géza Gösztöny
Some Practical Problems of the Traffic Engineering of Overloaded Telephone Networks
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Börje Sagerhölm
A Method for the Calculation of Traffic Offered to an Alternative Routing Arrangement
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Kauko Rahkö
Dimensioning of Traffic Routes According to the EERT-Method and Corresponding Methods
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J. Rubas
Dimensioning of Alternative Routing Networks Offered Smooth Traffic
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D.T. Nightingale
Computations with Smooth Traffics and the Wormald Chart
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J.P. Farr
Modular Engineering of Junction Groups in Metropolitan Telephone Networks
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N.D. Blair, R. Khadem, W.M. Turner, R. Willet and L.J. Gitten
Discussion Record: Session No.21 - Forecasting Methods
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N.D. Blair
forecasting Telephone Traffic in the Bell System
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Ramin Khadem
An Econometric Forecasting Model of the Demand for International Voice Telecommunication from Canada
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W.M. Turner and R. Willett
Traffic Forecasting with an Inadequate but Improving Data Base
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Lawrence J. Gitten
Use of Computer Programs for Trunk Forecasting
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S.J. Bruyn, D. Dianö, G. Masetti, P. Pallötta, J.L.C. Grimbly, J.L. Smith, P.A. Caballerö and A. Belhadj
Discussion Record: Session No.22 - Network Planning and Design
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C. Jacöbaeus
Yngve Rapp - A Memoir
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Stewart James Bruyn
A Mathematical Model for the Long Term Planning of a Telephone Network
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I. Hansen, K.M. Knutsen, J. Söle Gil and P.A. Caballerö
Computer Aided Planning of the Telephone Network of Rural Areas
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G. Dianö, P. Pallötta and G. Masetti
Hypothesis of a Toll Network with Separate Routes for First-Choice and Overflow Traffic
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J.L.C. Grimbly and J.L. Smith
A Nodal Route Switching Network Composed of Standart Modules
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M. Ali Belhadj and P.A. Caballerö
Computer Aided Study for the Determination of the Structure of the Algerian Long Distance Network
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B. Wallström, M. Fujiki, Y. Muraö, L.E.N. Delbröuck, F.J. Egenölf, W. Kramer, M. Langenbach-Belz and P. Kuhn
Discussion Record: Session No.23 - Analysis of Delay Systems 1
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Bengt Wallström
A Queuing System with Time-Outs and Random Departures
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Masaya Fujiki and Yo Muraö
Queueing Model with Regular Service Interruptions
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L.E.N. Delbröuck
Approximations for Certain Congestion Functions in Single Server Queueing Systems
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Franz Josef Egenölf
Queue Discipline NIFO for a Tree Structured Generalized M/G/1 - Queueing System and its Application (NIFO=Nearest In First Out)
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Wolfgang Krämer and Manfred Langenbach-Belz
Approximate Formulae for the Delay in the Queueing System GI/G/1
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Paul Kühn
Analysis of Complex Queuing Networks by Decomposition
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S. Jöhnsen and J.L. Smith
Provision of Signalling Equipment According to a Delay Criterion
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J.J. O`Shaughnessy, D.H. Barnes, Y.M. Chin, T. Erke, K. Rahkö and A. Parviala
Discussion Record: Session No.24 - Traffic Data Measurement and Administration 1
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J.J. O`Shaughnessy
Traffic Data - The Need Nature and Use
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D.H. Barnes
Extreme Value Engineering of Small Switching Offices
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Y.M. Chin
Cost Effectiveness of Traffic Measurements
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Tapio Erke and Kauko Rahkö
Traffic Measurements and the Grade of Service
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A. Parviala
Accuracy Requirements Concerning Routing Traffic Measurements, With Regard to Service Level Objectives in Telephone Network and to Certain Error and Cost Factors
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G. Kampe, P. Kuhn, R. Haugen, H. Osterud, J. Liu, D.A. Kettler, K. Olssön, M. Segal and M. Villen
Discussion Record: Session No.25 - Analysis of Delay Systems 1
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Gerald Kampe and Paul Kühn
Graded Delay Systems with Infinite or Finite Source Traffic and Exponential or Constant Holding Time
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Rolf B. Haugen and Harald Osterud
Waiting Time Distribution in Link Systems
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Jason Liu and David A. Kettler
A Network Flow Model Analysis of a Multiqueue Operator Service System with Priority
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K.M. Olssön
Accuracy of Observed Mean Values of Waiting Times, Queue Length and Proportion of Delayed Calls in Markovian Many-Server Systems
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Moshe Segal
Turfing - A Queueing Model for the Work, Backlog of a Telephone Repairman/Installer
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Manuel Villen Altamiranö
A Calculation Method for Link Systems With Delay
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M.M. Buchner, W.S. Hayward, R.B. Leigh, A.J. Little, R.R. Mina, A.C. Cöle, N.W. Maxfadyen, M.G. Hartman and J.I. Marin Martin
Discussion Record: Session No.26 - Traffic Data Measurement and Administration II
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M.M. Buchner and W.S. Jr. Hayward
The Total Network Data System
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R.B. Leigh and A.J. Little
Busy Hour Traffic Variations Determined from Continuous Traffic Measurements
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Ramses R. Mina
The Rigorous Calculation of the Blocking Probability and its Allpication in Traffic Measurement
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A.C. Cöle and N.W. Macfadyen
A Study of Subscriber-Dialled Trunk Traffic in the Short Term
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Michael G. Hartman
Customer Line Usage Studies
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J.I. Marin Martin
An Improvement in Traffic Matrices Calculation
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G. Timperi
Average Number of Disjoint Available Paths
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G. ang Myskja, A. Gösztöny, F.A. Aagesen, H.Y. Kraepelien, J.E. Kösberg, O. Gaustad, K. Bö and G. Cöhen
Discussion Record, Session No. 32 - Subscriber Behaviour Problems
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Masaya Fujiki
Operational Research Methods in Traffic Engineering
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Caballero-Diaz, Berry, Jessep and Rapp
Optimal Design Methods for Multi-Stage Alternate Routing Networks
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M. Fujiki
Operational Research Methods in Traffic Engineering
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Villy Baek Iversen
On General Point Processes in Teletraffic Theory with Applications to Measurements and Simulation
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Gerr and Peter
Applications of Processing State Transition Diagrams to Traffic Engineering
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Luigi Fratta and Ugo Möntanari
Decomposition Techniques for Evaluating Network Reliability
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Mikiso Mizuki
Uncertainty Model for An M/M/I System
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Karl Lindberger
Some Applications to Telephone Traffic Theory Based on Functional Limit Laws for Cumulative Processes
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Géza Gösztöny
Comparison of Calculated and Simulated Results for Trunk Groups with Repeated Attempts
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Arne Myskja and Finn Arve Aagesen
On the Interaction Between Subscribers and a Telephone System
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Hans Y. Kraepelien
The Configuration Theory: The Influence of Multi-Part Tariffs on Local Telephone Traffic
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Kristian Bö, Olav Gaustad and Jan-Erik Kösberg
Some Traffic Characteristics of Subscriber Categories and the Influence from Tariff Changes
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Gerald Cöhen
Experimenting with the Effect of Tariff Changes on Traffic Patterns
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K. Ködaira, K. Takagi, B. Vestmar, K. Nivert, C. vön Schantz, D. Bear, M. Buttö, G. Cölömbö, A. Tönietti and F. Schieber
Discussion Record: Session No.33 - Traffic Engineering Computational Techniques
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Kunio Ködaira and Kenzo Takagi
A General Purpose Blocking Probability Calculation Program for Multi-Stage Link Systems
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B.J.A. Vestmar
Probability of Blocking in Non-Hierarchical Networks
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Krister Nivert and Christer vön Schantz
Some Applications of Quadratic Programming to the Calculation of Traffic Matrices
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D. Bear
An Approximate Method for Calculating Delay Distributions for Queueing Systems with Poisson Input and Arbitrary Holding Time Distributions
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Milena Buttö, Giovanni Cölömbö and Alberto Tönietti
On Point-to-Point Losses in Communications Networks
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Friedrich Schreiber
Transformed Probability Distributions of Indetermined Form: Calculation Methods for Moments of Arbitrary Order and their Application in Queueing Systems
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Gerhard Bretschneider
Traffic Engineering with Programmable Pocket Calculators
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Georg Daisenberger
Axiomatic Fundamentals for the Calculation of Traffic Distribution in Telephone Networks
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Helga Höfstetter
The Effects of Non-Uniform Traffic Distribution in Switching Networks
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H. Heffes and J.M. Höltsman
Peakedness in Switching Machines: its Effect and Estimation
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A.W. Dunstan
A Mathematical Model of Telephone Traffic Dispersion in some Australian Metropolitan Networks
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Rolf Evers
Analysis of Traffic Flows on Subscriber-Lines Dependent of Time and Subscriber-Class
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G. Daisenberger, H. Höfstetter, H. Heffes, J.M. Höltzman, A.W. Dunstan and R. Evers
Discussion Record: Session No.34 - Traffic Distribution in the Network
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Hiromichi Möri and Hiroichi Teramura
Evaluation of Reliability and Serviceability in Communication Systems with its Applications to Network Planning
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Hans Anderssön, Lars Peiram, Str and Kjell berg
A Study of Software Reliability
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G. Kaniuk and J.L. Smith
Effects of Faults on the Grade of Service of a Telephone Exchange
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E. Jensen and F. Töledanö
On the Influence of Certain Typical Equipment Faults on Grade of Service
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Hans Anderssön, Str and Kjell berg
Effectiveness Characteristics of Partly Disabled Device Groups
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H. Möri, H. Teramura, L. Anderssön, L. Peiram, Str, K. berg, G. Kaniuk, J.L. Smith, F. Tölendanö and E. Jensen
Discussion Record: Session No.41 - Network and System Reliability
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C.E.M. Pearce and R.M. Pötter
Some Formulae Old and New of Overflow Traffic in Telephony
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Rudolf Schehrer
On Higher Order Moments of Overflow Traffic Behind Groups of Full Access
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J. de Böer
Mean and Variance of the Overflow Traffic of a Group of Lines Connected to One or Two Link Systems
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A.H. Freeman
The Accuracy of Overflow Traffic Models
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L. Kösten
Behaviour of Overflow Traffic and the Probabilities of Blocking in Simple Gradings
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M.M. Jung and J. de Böer
Cyclic Overflow of Calls Offered to Subgroups of a Full-Availability Group of Lines
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K.G. Wilsön
Correlation Induced in Traffic Overflowing from a Common Link
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C. Pearce, R. Pötter, R. Schehrer, H. Freeman, J. de Böer, M.M. Jung and K.G. Wilsön
Discussion Record: Session No.42 - Overflow Traffic Models
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K.M. Olssön
Statistical Problems in Simulation of Telecommunications Traffic Systems, Some Analytical Results
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Kinji Onö and Yoshiyori Uranö
An Interactive Simulation System for Data Communication Network Design -ICANDO-
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G. Dietrich and R. Salade
Subcall-Type Control Simulation of SPC Switching Systems
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M. Gruszecki
ENTRASIM: A Real-Time Traffic Environment Simulator for SPC Switching Systems
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L.D. Thuan and R.E. Bögner
Traffic Studies of Message Switching Computers
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K.M. Olssön, G. Dietrich, R. Salade, L.D. Thuan and R.E. Bögner
Discussion Record: Session No.43 - Simulation Techniques
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G.W. Riesz
Factors Influencing the Call Completion Ratio
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Mir, G. a and A. Tösalli
Statistical Aspects in Detecting Critical Traffic Conditions
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G.O´H. Marlöw
Concent - An Aid to the Business Management of Telephone Networks
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Rollie D. Graves and David A. Pearsön
Individual Circuit Measururements
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G.W. Riesz, Mir, G. a, A. Tösalli, G.O´H. Marlöw, R.D. Graves and D.A. Pearsön
Discussion Record: Session No.44 - Network Management and Supervision
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Boris Tsanköv
Optimization of Telephone Networks with Alternative Routing and Multiple Number of Route Group Channels
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R.J. Harris
A Comparison of System and User Optimised Telephone Networks
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John G. van Bösse
A Generalization of Takagi´s Results on Optimum Link Graphs
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L.T.M. Berry
A Method for Determining Optimal Integer Numbers of Circuits in a Telephone Network
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Uri Yechiali
On Optimal Dimensioning of a Certain Local Network
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R.S. Krishnan Iyer and T. Döwns
A Probabilistic Model for Optimization of Telephone Networks
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b. Tsanköv, R.J. Harris, J.G. van Bösse, L.T.M. Berry, T. Döwns and R.S. Krishnan Iyer
Discussion Record: Session No.51 - Network and System Optimisation
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Leonard Kleinröck and Farouk Kamöun
Data Communications Through Large Packet Switching Networks
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H. Inöse, T. Saitö, Y. Wakahara and Y. Fukushima
Evaluation of Traffic Characteristics of Some Time-Division Switching Networks for Data With a Plurality of Speeds
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Peter Pawlita
Measurement and Analysis of Data Traffic Originated by Display and Teletypewriter Terminals in a Teleprocessing System
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Werner Bux
Modelling and Analysis of Store-And-Forward Data Switching Centres with Finite Buffer Memory and Acknowledgement Signalling
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Lothar Katzschner and Reinhard Scheller
Probability of Loss of Data Traffics with Different Bit Rates Hunting One Common PCM-Channel
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L. Kleinröck, F. Kamöun, H. Inöse, T. Saitö, Y. Wakahara, Y. Fukushima, P. Pawlita and W. Bux
Discussion Record: Session No.52 - Data Traffic Problems
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A. Elldin
Traffic Engineering in Developing Countries. Some Observations from the ESCAP Region
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Lars Engvall
International Network Planning - Two Case Studies. The Pan-African Telecom. Network and the Middle East & Mediterranean Telecom. Network.
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W. Pernau and W. Urmöneit
Integration of Communication Satellites into the International Networks; Planning and Economy, Traffic Engineering
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R.J. Chapuis, C. Höfer and J.L. Perrin
Structuring of a Telephone Network with Alternative Routing but with no Hierarchization of the Centres
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A. Elldin, L. Engvall, W. Pernau and W. Urmöneit
Discussion Record: Session No.53 - International and I.T.U. Studies
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Alfred Lötze, Alex Röder and Gebhard Thierer
Point-To-Point Selection Versus Point-To-Group Selection in Link Systems
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D.G. Smith and M.M. Rahman Khan
Wide-Sense Non-Blocking Networks, and Some Packing Algorithms
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Frank Kwangming Hwang
Blocking Probabilities for Connecting Networks Allowing Rearrangements
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Alfred Lötze, Alex Röder and Gebhard Thierer
Investigations on Folded and Reversed Link Systems
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Milton Mörrisön and Paul Jr. Fleming
Some Blocking Formulae for Three-Stage Switching Arrays, with Multiple Connection Attempts
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Harl and G.
Design of Mixed Analogue and Digital Switching Networks
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Alfred Lötze, Alex Röder and Gebhard Thierer
PPL - A Reliable Method for the Calculation of Point-To-Point Loss in Link Systems
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James C. Böyd and John M. Hunter
Congestion in a Switching Network with Rearrangement
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A. Lötze, A. Röder, G. Theirer, D.G. Smith, M.M. Rahman Khan, M. Mörrisön, P. Fleming, Harl, G., J.C. Böyd and J. M. Hunter
Discussion Record: Session No.54 - Link Systems
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J. Eduardo Villar
Traffic Calculations in SPC Systems
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Helmut Weisschuh and Manfred Wizgall
Investigations on the Traffic Behavior of the Common Control in SPC Switching Systems
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Gerr, Peter and Antonio Guerrerö
The Waiting-Time Distribution for Markers and Other Peripheral Devices in SPC SWitching Systems
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J.E. Villar, H. Weisschuh, M. Wizgall, Gerr, P. and A. Guerrerö
Discussion Record: Session No.61 - S.P.C. Switching Systems I
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Masahiko Itöh, Yoshiaki Nunötani, Tohru Ueda and Kazuhiko Okada
Methods of Estimating Central Processing System Traffic Performances in SPC-Electronic Switching Systems
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I.A. Bradley and M.J. McTiffin
Traffic Problems Within Multiprocessor SPC Systems
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Ulrich Herzög
Priority Models for Communication Processors Including System Overhead
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R.B. Haugen, E. Jensen and M.J. Sanchez-Puga
Analytical Study of Feedback Effects on Processor Traffic in SPC Systems
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M. Itöh, Y. Nunötani, T. Ueda, K. Okada, I.A. Bradley, M.J. McTiffin, U. Herzög, R.B. Haugen, E. Jensen and M.J. Sanchez-Puga
Discussion Record: Session No.62 - S.P.C. Switching Systems II
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Gunnar Lind
Studies on the Probability of a Called Subscriber Being Busy
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L.F. Nömbela and J.M. Pilladö
A Non Constant Failure Rate Distribution in the Conversation Time of Telephone Calls
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D.J. Sönghurst
The Variance of Observations on Markov Chains
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Ole A. Pedersen
Statistical Design of Load Balance Traffic Studies
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Magnus Anderberg and Goran Wikell
Call Generation, Holding Times and Traffic Load for Individual Telephone and Telex Subscriber Lines
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M.M. Petersön
A Modified Chi-Squared Test for Computer Simulations of Telephone Switching Networks
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G. Lind, L.E. Nömbela and J.M. Pilladö
Discussion Record: Session No.63 - Statistical Analysis of Traffic Data
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S.J. de Lange
Report of the Working Party for the Documentation of the First Six International Teletraffic Congresses
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J.W. Cöhen, A. Elldin, P. Jr. Fleming and N.W. Macfadyen
Discussion Record: Session No.64 - Reports
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A. Elldin
Reporting of the Working Party on Teletraffic Training
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A. Jensen, O. Pedersen, J.L. de Kröes, P.K. Röy Chöudhury, Harl, G., Schreiber F., M. Anderberg, A.V. Helm, J.J. O´Shaughnessy, A. Elldin, A.W. Dunstan, Mir, G. a, R.B. Leigh, P.J. Reid, C. Reyes, M. Anderberg, A. Lötze and C.W. Pratt
Final Panel Discussion