Proceedings ofMELECON '83Mediterranean Electrotechnical Conference

Athens, Greece24-26 May, 1983

Edited by

E.N. PROTONOTARIOSNational Technical University of Athens

G.I. STASSINOPOULOSNational Technical University of Athens

P.P. CIVALLERIPolitecnico di Torino

UNIVERSITATSBIBUOTHEKHANNOVER

TECHNISCHEINFORMATION36IBUOTHEK

Session A1. Local Area Networks

A1.01 Tokenet - A Token Based Local Area NetworkM. Ajmone Marsan, M. Gerla (Italy).

A1.02 The H-Network. A High Speed DistributedPacket Switching Local Computer Network.N. Dimopoulos, D. Kehayas (Canada)

A1.03 An Algorithm for the Control of the Transmis-sion Procedure for Slotted Multi-Access Sche-mes.T.K. Apostolopoulos, E.D. Sykas (Greece).

A1.04 A Combined Urn and TDMA Scheme forMultiple-Access Protocols in Local Area Net-works.E.D. Sykas, D.E. Karvelas, E.N. Protonotarios(Greece).

A1.05 Further Developments of the Local Area Net-work PLATON at the University of Ottawa.P. Mui, E.H. Teo, R. Joannis, R. Mwikalo, M.Master, N.D. Georganas (Canada).

A1.06 A LAN Protocol for Real-Time Applications.W. Ansaldi, M. Olobardi (Italy).

A1.07 Real Time Communications in Local NetworkEnvironment.O. Mirabella (Italy).

A1.08 A New Double-Loop Computer Network :Hardware Structure, Delay Performance andReliability.S. Leventis, G. Papadopoulos, S. Angelopou-los (Greece).

A1.09 A Combined Star-Bus Topology for LANs.D. Maroulis, N. Alexandridis (Greece).

A1.10 Optical Fibre Computer Communication Net-works.P.A. Davies, F. Abdul Ghani (England).

A1.11 Low Cost Access Units for Local Networks.G. Ciccarella, P. Marietti, C. Padovani (Italy).

A1.12 Methods of Communication between two Mi-croprocessing Systems.A.P. Andritsakis (Greece).

Session A2. Multiple Access Protocols

A2.01 The Importance of Feedback In Multi-AccessSystems.A. Ephremides (U.S.A.).

A2.02 Access Protocols and Hand-Off Strategies inCellular Land-Mobile Communication Systems.M. McDonnell, E. Bitar, N.D. Georganas (Ca-nada).

A2.03 Bandwidth Assignment for Hybrid MultipleAccess Schemes Applied in Local Area Com-puter Networks.B.D. Dimitriadis, N. Alexandridis, G. Polyzos(U.S.A.)

A2.04 Optimal Hybrid Multi-Access Protocols.E.D. Sykas, T.K. Apostolopoulos (Greece).

A2.05 Optimization Problems in the Design of aMultiple Access Protocol.M. Aicardi, G. Casalino, F. Davoli, R. Minciar-di (Italy).

A2.06 Presentation of a New Efficient Self-AdaptiveMultiple Access Protocol.S. Koubias, G. Papadopoulos (Greece).

A2.07 Approximate Performance Evaluation of Dif-ferent Multi-Access Slotted Protocols withBuffer.T.K. Apostolopoulos, E.N. Protonotarios (Gree-ce).

A2.08 Contention-Free Local Area Network Tech-nique with High Channel Utilization.C. Petitpierre (Switzerland).

A2.09 ALOHA Networks in which Collisions do notNecessarily Destroy all Packets Involved.C. Namislo (W. Germany).

A2.10 Dynamic Selection of a Performance-Effec-tive Transmission Sequence for Token Pass-ing Networks with Mobile Nodes.Y.I. Gold, S. Moran (U.S.A.).

A2.11 Architectural Implications and Interface Is-sues in the Integration of Satellite and Terre-strial Digital Networks.W.F. Vogelzang (U.S.A.).

A2.12 Packet Switching over Analog Voice Broad-cast Channels.M. Ajmone Marsan (Italy).

Session A3. Computer Network Proto-cols : Analysis and Perfor-mance Evaluation

A3.01 Queueing Analysis of the Basic Selective-Re-peat ARQ Protocol.M.E. Anagnostou, E.N. Protonotarios (Greece).

A3.02 Data Encryption/Communication Schemes forRemote Monitoring Networks.D.G. Maritsas, E. Konstantinides (Greece).

A3.03 A Routing Protocol that Maintains PacketSequency.R.C.S. Morling, G.D. Cain (U.K.).

A3.04 Optimal Control of M/M/2 Queues and Adap-tive Routing in Computer Networks.B.S. Maglaris (U.S.A.).

A3.05 Decentralized Dynamic Routing in Data Com-munication Networks.G. Casalino, F. Davoli, R. Minciardi, R. Zoppoli(Italy).

A3.06 Congestion Control Method for the TRAMENetwork, Description and Simulation Results.J.M. Selga, J. Xampeny (Spain).

A3.07 A Hybrid Scheme for the Improvement of theARQ Protocols.F.N. Afrati, M.E. Anagnostou, N. Mikroudis(Greece).

A3.08 Delay Analysis in a HDLC Standard Link LevelCommunication Protocol Implementation.A. Rubio, J. Figueras (Spain).

A3.09 Inter-Node Communication in L.A.N.M. Martelli, F. Tarini (Italy).

A3.10 Management of Groups of Application Proc-esses.G. Messina (Italy).

A3.11 A CCITTs Secondary Area Network Simula-tion Achievable by Microcomputer. I: Case ofUsing Directory Routing Algorithm in a Store-and-Forward Network.J. Ramio-Aguirre, J. Rivero-Laguna (Spain).

A3.12 A ACCITT's Secondary Area Network Simula-tion Achievable by Microcomputer. II: Case ofUsing an Adaptive Algorithm for Packets Rout-ing.J. Ramio-Aguirre, J. Rivero-Laguna (Spain).

Session A4. Telephony

A4.01 Protocol Issues of the Configurational Ma-nagement and the Resolution of the Conten-tion Problem in a Large-Scale Crossbar Switch.B. Quatember (Austria)

A4.02 Outline of a Central Maintenance and Admi-nistration Unit for Distributed-Control Swit-ching Systems.B. Bartolommei, M. Sami (Italy).

A4.03 Finite State Description of Link State Controlin the CCITT Signalling System No 7.S. Alfonzetti, S. Casale (Italy).

A4.04 Introduction of Digital Switching to the LocalNetwork.V. Stylianakis, G. Kokkinakis (Greece).

A4.05 Optimal Traffic Distribution on Existing Tele-phone Networks.M. Logothetis, G. Kokkinakis (Greece).

A4.06 Traffic Investigation of Telephone Trunks byan Artificial Test-Call Generator.M. Koukias, G. Kokkinakis (Greece).

A4.07 Communication Network Cost and Grade ofService versus Blocking Probability and Subscriber Behaviour.M. Gavassuti, G. Giacobbo Scavo (Italy).

A4.08 On Binomial Distribution Switching Networks :Implementation and Congestion Analysis.M. Garijo Ayestaran, J.B. Riera Garcia (Spain).

A4.09 An International Digital Switching Exchange :System Features and Experience Gained.A. Dabbene, J. Margosio (Italy).

A4.10 Cellular System Design for the United StatesMarket.E.R. Freeman (U.S.A.).

A4.11 Rearrangeable Switching Networks Compo-sed of Digital Symmetrical Matrices.A. Jajszczyk (Poland).

A4.12 Worst Case Behavior of Clos Network Rear-rangement Algorithms.M. Kubale (Poland).

A4.13 Fast Computation of Erlang B Function.J. Kubasik (Poland).

Session A5 Distributed Systems

A5.01 Distributed Data B u t Problems In UnreliableData Communications Network*.M o s e s M a M A t h a n s . ( U S A )

A5.02 On the Complexity of Designing DistributedProtocols.Ch Papadimiinou. J Tsilsiklis (Greece)

A5.03 A Model for Uncoordinated Distributed Com-putation of Flied Point*.D B e r t s e k a s ( U S A )

AS 04 Graph Partitioning with Application to Com-puter Networks.J H a g o u e l M S c h w a r t z ( U S A )

AS OS Influence of the Network Topology on thePerformance Characteristics of the Go-Back-N ARO Protocol.M E Anagnostou. E D Sykas (Greece)

A5.M Performance Comparisons within a ComputerNetwork of PRIME Systems.G C Barney G C Pentzaropoulos. W Swin-dells (UK)

A5.07 Distributed Communication Architecture: TheKey Element of a Large Switching System.J Etkm. D Tabak (Israel)

AS 06 Packet Switching Networks with the SiemensSystem EDX-P.J F Huber (W Germany)

AS.OS Design of a Network Performance MeasuringDevice.O A Badr M S Mimesy. G A Labib (Egypt)

AS.10 A Communication Protocol for a DistributedComputer Control System.S Vidakovic (Yugoslavia)

AS. 11 "Popcom-Datanet" A Complete Wide AreaData Gathering System".J A K l e p p e . L G Y o r i ( U S A )

AS.12 The Optimal Planning of TelecommunicationNetwork Structure* with respect to the Tran-sition towards an ISDN.V Sinkovic. M Tkalic. E Sehovic. M Kos. MKunsiic (Yugoslavia)

Session A6. Hardware Systems

A6.01 Reconfiguration Strategies for MultiprocessorSystems.Ch N Nikolaou ( U S A ) .

A6.02 A Method for ALU Fault Location and Recov-ery in Microprocessors.I Milios. G Philokyprou (Greece)

A6.03 A Monitoring Equipment for Multitasking Mul-ti-Micro-Processors.R Negnni, F Pozzi. N. Scarabottolo (Italy).

A6.04 Modular Implementation of no-Contention N-Port Memories.D Del Corso (Italy).

A6.0S A New Approach to Array Processor-Comput-er System Interfacing.Z Jovanovic. Z. Mihajlovic. 0. Musicki, J.Ognianovic (Yugoslavia).

A6.06 Low Cost Array of Microprocessors.J L Huertas. C.G. Spinola (Spain).

A6.07 PLA Simulation In a RTL EnvironmentS Gai. M. Mezzalama. P. Prinetto, F. Somenzi(Italy)

A6.06 Differential Design : A New Class of Algo-rithms for Logic Synthesis.H.M Lipp (W. Germany).

A8.09 Hardware and Software Debugging Tools forMultiprocessors.F Maddaleno. F. Gregoretti. (Italy).

A6.10 Signature Analysis as Methodology of Fault-Flndlng in Microprocessors.A M Veronis ( U S A ) .

A6.11 A Fast 16-bit Acquisition System for PrecisionInstrumentation.C Bartoletti. M Caciotta. G. Fazio, A. Salsa-no (Italy)

A6.12 An Autonomous, Multichannel Data Acquisi-tion System.G Kouroupetroglou. N. Vakassis, C. Carou-balos (Greece).

A6.13 Certain Design Aspects of a Computer Con-trolled High Speed Data Acquisition System.T.C. Sekar (Nigeria).

Session A7. Systems Software

A7.01 A Generalized Software-Workbench.K.W. Plessmann, E. Bollow (W. Germany).

A7.02 Concurrent Programming Features in CHILLLanguage.M. Boari, A. Corradi, G. Gamberini, A. Natali(Italy).

A7.03 An SDL-like High Level Language for Tele-communications Exchanges.G. Esposito, G. Fantauzzi, (Italy).

A7.04 A Modular Approach for Building Compilers.B. Yankov, L. Nikolov (Bulgaria).

A7.05 A Microprocessor Programming Language andits Implementation.B. Yankov, L. Nikolov (Bulgaria).

A7.06 An Approach to Compiling of Expressionsand Other Programming Language Forms.L. Iliev (Bulgaria).

A7.07 A Development System for Mixed Event Pro-grammable Controllers Based on a Univer-sal Compiler.O. Yenersoy, Ph. Lefebvre (Belgium).

A7.08 A Computer Workload Characterization Self-Learning Adaptive Method.J. Barcelo, R. Puigjaner, (Spain).

A7.09 Permanent Data Structuring in Pascal.M. Ancona, G. Dodero, V. Gianuzzi, L. DeFloriani (Italy).

A7.10 A Kernel for High Level Real-Time Program-ming.J.A. de la Puente, A. Crespo, J. Duato, P.Albertos (Spain).

A7.11 A Distributed Evaluation Mechanism for Func-tional Programs.F.W. Burton (U.K.).

A7.12 Technology Transfer Processes in SoftwareDevelopment.M. Bolognani, E. Corti (Italy).

A7.13 The Equl-Splitting, Bilateral, Vertical, Tangen-tial, Double Rotation of the Mosque - or WhyTop-Down Design's Mosque Should be Re-placed by Middle-out Design's Amphora.W.S. McFadyen (U.S.A.).

A7.14 A Software Tool for Automatic Constructingof Programs.A. Vaquero, C. Fernandez (Spain).

A7.15 Debugging Information Obtained via ProgramTransformations.K.J. Ottenstein, L.M. Ottenstein (U.S.A.)

Session A8. Applications Software

A8.01 Haj] Applications Ballot and Information Sy-stem.Mushtaq Ahmad, Abdul Aziz (Saudi Arabia).

A8.02 Information Processing for Large Scale Arbo-real Inventories.R. Le Pera, R. Nenzi (Italy).

A8.03 Parallel Labelling and Structural Analysis inHandwritten Character Recognition.J. Mantas, C. Daskalakis (U.K.).

A8.04 An Applied Psychology Laboratory : The Vis-ual and Acoustical Perception Stations.V. Delle Cave, P. Panunzi, G. Perusini, D.Salmaso, A. Salsano (Italy).

A8.05 Multididacta : An Informatized Classroom.A. Gago, A. Civit, J. Biscarri, J. Biedma, A.Oliva (Spain).

A8.06 CNC System for Specialized Machine Toolfor Drilling Printed Circuit Boards.R.K. Moutaffova, M.S. Levi (Bulgaria).

A8.07 Intrinsic Three-Dimensional Representationof Digital Images.G. Tascini (Italy).

A8.08 A Data Traffic Principle and Some Applica-tions.V. Buzuloiu, M. Datcu, A. Gheorghe (Roma-nia).

A8.09 Stochastic Simulation of Bed Usage in Hospi-tals.M.S. Abougabal, M.H. Nagi (Egypt).

A8.10 Some Useful Interactive Techniques for Plan-ning Models.M.S. Abougabal, A.M. Hafez, S.A. El-Shihaby(Egypt).

A8.11 An Efficient Technique for Simulating VLSDiscrete Event Systems.S.A. El-Shehaby (Egypt).

A8.12 Graph Theory and Simulation of Networks.M.S. Abougabal, S.A. El-Shehaby (Egypt).

Session A9. Databases and Office Auto-mation

A9.01 Use and Extension of DATAID1 Methodologyto Database Software Design.B. Demo, A. Codrino, C. lacobelli, V. Marrone(Italy).

A9.02 The Handling of Retroactive Data for CertainDatabase Applications.J.G. Kollias, M. Hatzopoulos (Greece).

A9.03 Resource Allocation in Interactive InformationSystems.I. Tzavaras (U.K.).

A9.04 A Database-Based System for InformationManagement and Planning in a University En-vironment.L. de Sopena (Spain).

A9.05 Application of Computer-Aided Consulting tothe Analysis of Structural Properties of Large-Scale Information Networks.E. Michalewski, J. Ostrowski, M. Stankiewicz(Poland).

A9.06 Computer-Aided Consulting for a Designer ofLarge-Scale Information Systems.E. Michalewski (Poland).

A9.07 A New Approach to Query Processing inDistributed Databases.Victor O.K. Li (U.S.A.).

A9.08 Syntax-Directed Fact Retrieval from Textswith a Microcomputer.J. Kontos (Greece).

A9.09 Recognition of Text Data.G. Stamon, M. Poulenard, T. Vo Van, (France).

A9.10 An Automatic System for Microfilmed Infor-mation Processing.A. Vaquero, J. M. Troya J.M. Sanchez P., C. F.Chamizo, M. Iglesias (Spain).

A9.11 Computer Aids for Unstructured Office Com-munications.E.C. Greanias, W.S. Rosenbaum (U.S.A.).

A9.12 Design and Implementation of PASCAL-lnter-face for the Data Bank System ADABAS/M.J. Triantafyllou (W. Germany).

A9.13 Mapping and Interference Considerations inthe Design of Multi-Level Schemata for Rela-tional Models.M.R. Elkaraksy, M. Hamed (Egypt).

A9.14 A DBMS for Small Computers with ExtensibleCommand Facility.R. Hermida, J. Ruz, J. Tirado, M. Mellado(Spain).

Session A10. Algorithms

A10.01 Current Trends in Numerical Analysis andSynthesis.A. Bacopoulos (Greece).

A10.02 Solving Geometric Problems with the "Ro-tating Calipers".G.T. Toussaint (Canada).

A10.03 Information Structures in DecisionmakingOrganizations.A.H. Levis, K.L Boettcher (U.S.A.).

A10.04 The G /G /1 Queue and Two-Stage CyclicModels of Multiprogramming.D.D. Kouvatsos, M.A. El-Affendi (U.K.).

A10.05 Multidimensional Radix 2* Fast Fourier Trans-form Algorithms.M. Elia, M.T.Galizia Angeli (Italy).

A10.06 A Variant of a Fast Polygonal Approxima-tion Algorithm.G. Papakonstantinou, F. Gritzali, E. Skorda-lakis (Greece).

A10.07 Optimum Partitioning of 0-1 Integer Sets viaSequential Aggregations.N. Ula, A. Nouh (Saudi Arabia).

A10.08 Probabilistic Algorithms and Parallel Pro-cessing.V.J. Rayward-Smith, G.P. McKeown (U.K.).

A10.09 Performance Analysis via Simulation of Mul-tiple Bus Interconnections for Multiproces-sor Systems.G. Conte (Italy).

A10.10 Quantitative Performance Evaluation of CMO-VE Microprocessor Architecture.H. Azaria, D. Tabak (Israel).

A10.11 Deterministic Performance Analysis of Mul-tiprocessor Computing Models ContainingUniform Processors with Independent Me-mories.CD. Spyropoulos (Greece).

A10.12 Methodology for the Derivation of DelayEquations in a High Performance Machine.M. Cases (U.S.A.).

A10.13 A Unified Reliability Model for Fault-Tole-rant Computers Assuming Common-ModeFaults.J.C.B. Leite, P.G. Depledge (U.K.).

A10.14 Availability Modeling of Gracefully Degra-dable Systems.J.C.B. Leite, P.G. Depledge (U.K.).

A10.15 On Waiting Times in a M/M/1 System withRound-Robin Discipline and Priorities.J.Vinas Sanz, J.B. Riera Garcia (Spain).

A10.16 Collapsing Polynomial Hierarchies of Pro-babilistic Algorithms.E. Zachos (Switzerland).

Session A11. Computer Applications

A11.01 The Parallel SIMULA Machine.D.G. Maritsas, M.P. Papazoglou, P.I. Geor-giadis (Greece).

A11.02 A High Speed Digital Dynamic Simulator.R. Linggard, H. McCullough (U.K.).

A11.03 A Real-Time Industrial System Written inConcurrent Pascal.J. Seoane, A. Alvarez (Spain). <

A11.04 ANTARES: A Multicomputer System for Su-pervision.G. Frugone, S. Ratto (Italy).

A11.05 Multimicroprocessor for Industrial Automa-tion.E. Luque, D. Rexachs (Spain).

A11.06 Relevance of Applying Microprocessors andMicrocomputers in a Developing Environ-ment.M.A. El Hamalaway (Egypt).

A11.07 The Structure of the 4MR-80 Software forthe Multi-Loop Microprocessor-Based Pro-cess Control Stations.L. Vlacic, A Bozin, S. Arnautovic (Yugosla-via).

A11.08 An Autonomous Programmable ControllerUsed in Computer-Aided Manufacturing.R.A. Kuncheva (Bulgaria).

A11.09 Design and Performance Evaluation of AirData Microcomputer.R. Moawad, M. Hassan, (Egypt).

A11.10 Computer Control with High Level Langua-ges.Nabil N. Hanna, Sayed El-Araby (Egypt).

A11.11 A Design of Fault-Tolerant InterconnectionNetworks.K. Mohammadi Falavarjani (Iran).

A11.12 An Experimental APL System Based on aMulti-Microprocessor Architecture.U. Sakellaridis (Frafice).

A11.13 Microcomputers in the Egyptian NationalHealth Information System.M.A. El Hamalaway (Egypt).

Session B1. Circuits

B1.01 Linear Transformation Biquad Electronic Ac-tive Filters.J. Papadakis (Greece).

B1.02 Low-Pass Elliptic Filters for Microwave Inte-grated Circuits with OctaveStop-Band.F. Giannini, M. Salerno, R. Sorrentino (Italy).

B1.03 Cancelled.B1.04 The Delta-I Noise Design Rule of a High

Performance Machine.G.A. Katopis, J. Tsichritzis (U.S.A.).

B1.05 Numerical Technique for the Solution of Non-linear Differential Equations CharacterizingOscillatory Systems.N.A. Mansour (Canada).

B1.06 The Effect of the Size of Large Random RCNetworks on their Properties.S. Jankowski (Poland).

B1.07 Macromodeling of Operational Amplifiers andits Application to Active Filters.I. Mandour, R. El Awady, I. Abdel Ati (Egypt).

B1.08 A Switched-Capacitor Phase-Locked LoopEmploying Current Controlled Oscillator.J.J. Mulawka, A. Pakulak (Poland).

B1.09 Synthesis of SC-Filters with Unity-Gain Buf-fers.G.A. Nenov (Bulgaria).

B1.10 An Improved Approach for the Macrosimula-tion of Digital Circuits.I.M.C. Teixeira, M.J.A. Lanpa (Portugal).

B1.11 Coupled Noise Predictor for Clusters of Ther-mal Conduction Module Signal Lines.G.A. Katopis (U.S.A.).

Session B2. VLSI Design Methods - Se-miconductor Devices and Pro-cesses

B2.01 Analog Signal Processing in MOS LSI andVLSI.Y. Tsividis (Greece).

B2.02 An Interactive IC Design System for VLSICircuits.P.H. Munch (Denmark).

B2.03 ORION : An RTL Based System for LSI-VLSIAutomated Synthesis.S. Gai, M. Mezzalama, P. Prinetto (Italy).

B2.04 A Technique for Automatically Producing Op-timized Digital Designs.D. Dervos, A. Parker (U.S.A.).

B2.05 Impact of VLSI on Digital Design Methodsand Implications to Design Automation Tools.T. Lamdan (Israel).

B2.06 Coplanar Lines in GaAs Hybrid Structures :Influence of Flip-Chip Insertion.G. Ghione, C. Naldi, R. Zich (Italy).

B2.07 Modelling of High Level Epidrain Effects inVVMOS Structures.J.Costa -Freire, P. L.B. Teixeira (Portugal).

B2.08 Cancelled.B2.09 Characteristics of Coplanar Waveguides for

Monolithic Microwave Integrated Circuit Ap-plications.R. Sorrentino, A. Silbermann, G. Leuzzi (Italy).

B2.10 Design Trade-Offs of Analog-Compatible MLCells.J.P.C. Teixeira (Portugal).

B2.11 Quasilinear Model of Microwave Power GaAsFET.J. Mlakar, D. Kostevc, L. Trontelj (Yugoslavia).

B2.12 Non-Linear Characterization and PerformanceSimulation of Power GaAs MESFETs.G.P. Bava, C. Naldi, U. Pisani, V. Pozzolo(Italy).

Session B3. Electronic Circuit Applica-tions

B3.01 A Microprocessor Based Data AcquisitionSystem.I. Milios, P. Garides, G. Philokyprou, D. Lalas(Greece).

B3.02 Flickmeter Design and Implementation : AMicroprocessor Approach.G. Neri, G.D. Cain, T. Salmon Cinotti (Italy).

B3.03 A New Event-Driven Model for BidirectionalTransmission Gates.M.Soegaard-Knudsen (Denmark).

B3.04 Design and Implementation of a 40-by-20 BitSelf-Checking First-In-First-Out Memory (FI-FO) for a VLSI System.N. Kanopoulos (U.S.A.)

B3.05 Control Signalling in a Microprocessor BasedTwo Wire Full Duplex Baseband Modem.H.T. Mouftah, N. Gangji, I.e. Chen (Canada).

B3.06 Solar Circuit Optimization and Managementby Microprocessor Control Unit.G. Cammarata, L Marietta, F. Patane, F.Patania (Italy).

B3.07 A Dedicated A/D Buffer.N. Vakassis, G. Kouroupetroglou (Greece).

B3.08 Synchronous Oscillators as Carrier and ClockRecovery Networks.V.^Uzunoglu (U.S.A.). S

B3.09 Electronic Differential Maximum Relay.M. Nasser (U.S.A.).

B3.10 A 4 GHz GaAs FET Power Amplifier forTWTA Substitution in Satellite Communica-tion Systems.G.P. Bava, C. Beccari, C. Naldi, U. Pisani, V.Pozzolo, F. Tegagni (Italy).

B3.11 Accurate BARITT Microstrip Oscillator De-sign Using Lumped Large-Signal Model.V. Fusco (U.K.).

B3.12 A Liquid - Crystal Hand-held Electrocardio-graph.P. Maltese (Italy).

Session B4. Free Space Propagation

B4.01 Propagation Experiments with the OTS Satel-lite.A. Laloux, D. Vanhoenacker, A. Vander Vorst(Belgium).

B4.02 Radio Wave Propagation above a More Real-istic Sea Surface Model.D.P. Chrissoulidis, E.E. Kriezis (Greece).

B4.03 Advances in Applications of Microwave andInfrared Radiometry.D. Solimini (Italy).

B4.04 A Statistical Canting Angle Model Using Hori-zontal Wind Energy Spectra.J. Howard (U.S.A.).

B4.05 Modeling the Joint Statistics of Path XPD andAttenuation for Microwave CommunicationSystems.J.D. Kanellopoulos (Greece).

B4.06 Scattering of a Plane Wave from a ConductiveCylinder above the Ground.J.D. Kanellopoulos, G. Thomopoulos (Greece).

B4.07 Cancelled.B4.08 Thermal Blooming of an Optical Carrier in the

Atmosphere.El Sayed A. El-Badawy, Farag Z. El-Halafawy(Egypt).

B4.09 Losses in Highly Non-Linear FerromagneticMedia Subjected to Alternating Magnetisation.R.D. Findlay (Canada), V. Subba Rao (India).

B4.10 Temperature Distributions in Biological PlaneLayers : Microwave Heating and Thermore-gulatory Effects.S. Caorsi (Italy).

B4.11 Project "LLUVIAS" - An Investigation on Dis-tribution of Rain Intensity In Barcelona.Luis Mercader del Rio (Spain).

B4.12 Y-Junction Waveguide Circulators for Micro-wave Links.S. Ivanov, J. Kutzarova (Bulgaria).

B4.13 Unified Analysis of Radiation Patterns forDual-Reflector Antennas.E. Yazgan, M. Safak (Turkey).

Session B5. Guided Propagation

BS.01 On the Use of Clifford Algebra in Electro-magnetic Wave Theory and Network Theory.E. Folke Bolinder (Sweden).

B5.02 Electromagnetic Behaviour of Rotating Bo-dies.V. Daniele (Italy).

BS.03 A Study of Eddy Currents in CylindricalConducting Bars Using Fourier Transforms.CD. Papageorgiou, J.T. Mantzaras (Greece).

B5.04 Surface and Spectral Complex Waves Excitedon a Grounded Ferrimagnetic Slab.N.K. Uzunoglou, J.L. Tsalamengas, J.G. Fi-kioris (Greece).

B5.05 Quasi-Static Characteristics of Shielded Cou-pled Microstrip Lines on Anisotropic Sub-strates.M. Homo, F. Medina, R. Marques (Spain).

B5.06 Fast Accurate Parameters Computation ofCoupled Microstrip Lines and Coplanar StripLines.B.D. Milovanovic, V.V. Jankovic (Yugoslavia).

B5.07 A Study of the Operational Characteristics ofOptical Structures Using the Resonance Tech-nique.CD. Papageorgiou, J.D. Kanellopoulos, A.CBoucouvalas (Greece).

B5.08 Goubau Lines with Three Dielectric Layers.J.A. Roumeliotis, P.G. Daniel, J.D. Kanello-poulos (Greece).

B5.09 Radiation Characteristics of Open-Ended Wa-veguide Arrays Faced by Lossy DielectricMedia.M. Bozzetti, R. De Leo (Italy).

B5.10 Surface Plasma Waves in a Multilayer OpticalWaveguide.M.N. Armenise, M. De Sario (Italy).

BS.11 Decoupling of the Fields Inside an c, u Gyro-tropic Medium.J.L. Tsalamengas, N.K. Uzunoglu, (Greece).

B5.12 Application of the FFT Algorithm to the Solu-tion of Partial Differential Equations for the 2-D Reid Problems and Minimization of theExisting Errors.S.M. Panas, E.E. Kriezis (Greece).

B5.13 Numerical Field Calculations in Electrical En-gineering Education.K.R. Richter, K. Preis, H. Stogner (Austria).

Session B6. Antennas

B6.01 New Computational Methods of Reflector An-tennas Radiation Patterns.C M . Bucci, G. Franceschetti (Italy).

B6.02 A Line of Advanced Electronic Scanning Ar-ray Antennas for 3D Radars.B. Palumbo, A. Cucci (Italy).

B6.03 A New Electronic Scanning Antenna.B.R. Vishvakarma, H.T. Al-Hafid, F.H. Sulai-man (Iraq).

B6.04 Analysis of Integrated Antennas on Multilay-ered Lossy Substrates.L. Vegni, V. Alleva, C. Tosti (Italy).

B6.05 Multi-Shaped Beam Array Antenna Design.F. Rispoli, L. Vegni (Italy).

B6.06 Induced e.m.f. in Horizontal Dipole, Producedby Radiation of Vertical Dipole, in FrequencyBand 10 KHz - 30 MHz.S.B. Rasajski, Z.R. Petrovic(Yugoslavia).

B6.07 Synthesis of Loaded Self-Adaptive Broad-band VHF-UHF Cylindrical Antenna.D. Paunovic (Yugoslavia).

B6.08 A Theoretical Evaluation of the Radar CrossSection of MIC-Antennas.L. Vegni, R. Cicchetti (Italy).

B6.09 Electromagnetic Scattering by HyperbolicLoaded Dishes - Theory and ExperimentalResults.A. De Bonitatibus, G. Di Massa, C. Savarese(Italy).

B6.10 The Radiation Characteristics of a Short Mo-nopote Antenna Axially Located on the Topof a Conducting Cone.B.D. Milovanovic, J.S. Surutka, V.V. Jankovic(Yugoslavia).

B6.11 Monopole on the Vertex of a ConductingCone.K.H. Awadalla, M.N.E. Fahmy, A.I. Mahmoud(Egypt).

B6.12 Galerkin's Solution for Rectangular Reflec-tors Excited by a Wire Antenna Structure.M.A. Hassan (Saudi Arabia).

B6.13 A New Probabilistic Approach to the Defini-tion of the Radio Coverage Area.D.S. Paunovid, I.S. Stojanovic (Yugoslavia).

Session B7. Optical Communications

B7.01 Fiberoptic Multichannel Television Transmis-sion by Analog Modulation.G. Guekos, H.P. Berger, B. Illi, H. Melchior(Switzerland).

B7.02 Suitable Modulation/Demodulation Techni-ques and Transmission Codes for Fiber OpticCommunication Systems.CS. Koukourlis, G.J. Georgopoulos, J.N. Li-gouras (Greece).

B7.03 SNR Improvement by Integration of the InputSignal of an LF Optical Receiver.A. Arapoyanni, N. Theofanous, C. Caroubalos(Greece).

B7.04 Multimode Silica Fiber Splicing by ElectricArc Fusion.S. Kalpoyannis, S. Konidaris, C. Caroubalos,G. Voutyras, N. Theophanous, (Greece).

B7.05 On the Focal Length of an Optical CarrierPropagating in an Ionized CommunicationChannel.El-Sayed A. El-Badawy, F.Z. El-Halafawy (E-gypt).

B7.06 Optical Fibres in the Local Network Techni-cal Feasibility and Economic Comparison.A.^Brosio, A. Moncalvo (Italy). **'»j^- f J ' , ,

B7.07 System Design for Optical Fiber Communica-tions.A.K. Das, S. Bhattacharyya (India).

B7.08 A Simple Low-Cost Fiber Optics Inter-Tele-phone Network.S. Tsitomeneas, N. Theophanous, C. Carou-balos, G. Alexakis (Greece).

B7.09 A Microprocessor Based Technique for Moni-toring Bit Error Rates in a Fiberoptic Commu-nications System.S. Kass (U.S.A.).

B7.10 A Fiber Optic Telephone Link Using 5-Modu-lation.G. Voutyras, C Caroubalos, N. Theophanous,G. Alexakis (Greece).

B7.11 System Trade-Offs for Coherent Laser Radars.Magdy M. Ibrahim (Egypt).

Session B8. Modulation Techniques

B8.01 Parallel and Serial MSK-Type Detection ofPartial Response Continuous Phase Modula-tion.C.E. Sundberg, A. Svensson (Sweden).

B8.02 Experimental TCM Multiplex.J. Quemada, J. Riera (Spain).

B8.03 A CMOS Delta Modulator with Optimum Per-formance.N. Kanopoulos, V. Makios (Greece).

B8.04 An All Digital Loop for QPSK Carrier Syn-chronization.N.A. D' Andrea, F. Russo (Italy).

B8.05 On a Hard-Limited OQPSK/DS Multiple -Access Communication System.A.K. El Hakeem, El Sayed A. El Badawy, A.A.El Deeb (Egypt).

B8.06 Performance of C-QPSK System in an Impul-sive and Gaussian Environment.H.T. Huynh, Bach Vo, S. Kallel (Canada).

B8.07 A Third-Generation PCM System at 2048kbit/s.M. Pozzi, R. Rocci (Italy).

B8.08 A Technique for Voice Multiplexing.A. Kourtis, C. Caroubalos, C. Mantakas,(Greece).

B8.09 Possibilities of the Digital Realised PhaseModulator.M. Temerinac (Yugoslavia).

B8.10 Wideband Microwave Sweeping Superhetero-dyne Receiver.A. Delgado, F. Perez, J. Berzal, F. Abalos, V.Ortega, C. Fernandez (Spain).

B8.11 Transmission of Digital Data over the EnergyDistribution Network.J. Adame (Switzerland).

B8.12 Trends in System Design for Digital SatelliteCommunications.E. Biglieri (Italy).

B8.13 Atmospheric and Ionospheric Effects on Sa-tellite Communication.Mohamed K. Abdelazeez (Jordan).

Session B9. Digital Communications

B9.01 Adaptive Equalisation by Kalman Filtering.G . W / I r w i n (U.K.). t ^ ' i ••>:',,

B9.02 On the Performance of the Fast NoniterativeMethod as Compared to the Kalman Algo-rithm.M.D. Yacel, N. Tepedelenlioglu (Turkey).

B9.03 Conditional-Mean Estimators for InterferenceSuppression in Angle Modulation Systems.H.O. Beca, Z.D. Stojanovic, I.S. Stojanovic,M.L. Dukic (Yugoslavia).

B9.04 DPCM Coder with Adaptive Prediction forPicture Coding.Ryszard S. Choras (Poland).

B9.05 Evaluation of Adaptive Equalization Algorithms.Y. Istefanopulos, N. Tugbay (Turkey).

B9.06 Design and Development of a MicrowaveTime-Delay Equaliser.A. Seoane (Spain).

B9.07 Cancelled.B9.08 Realization of an FSK Modem Using Digital

Signal Processing.J.M. Martins, M.S. Piedade, M.M. Silva (Portu-gal).

B9.09 Volterra Analysis of Nonlinear Digital Com-munication Systems.S. Benedetto (Italy).

B9.10 Synchronizers Analysis in Presence of Multi-path Fading.F. Andreucci, P. Lombardi, P.G. Marchetti(Italy).

B9.11 A Simple Technique for Integrated Voice-Data Communications.G. Benelli, V. Cappellini, E. Del Re, R. Fantac-ci (Italy).

B9.12 Cancelled.

B9.13 Digital Receiver of Analog Signalling in Tele-communications.F. Bratkovic, S. Leonardis (Yugoslavia).

B9.14 Application of the Analytic Signal Method tothe 60-Channel Transmultiplexer Design.E. Del Re, P.L Emiliani (Italy).

Session B10. Statistical Communications

B10.01 Optimum Quantizer Performance for a Classof Non-Gaussian Memoryless Channels.N. Farvardin, J.W. Modestino (U.S.A.).

B10.02 The Influence of Intersymbol Interferenceand Additive Noise on the Transmission ofM-ary Data Signal through a Modelled Tele-phone Channel.V.S. Milosevic, A.S. Marincic (Yugoslavia).

B10.03 Communication over Random DispersiveChannel : Optimal Receivers and Signals.G. Tziritas, G. Jourdain (France).

B10.04 The Stochastic Model of the Loss of Syn-chronism of a Digital Multiplex.A. Dobrogowski (Poland).

B10.05 Optimum Decoding of an Optical PSK Sys-tem.T.S. Kamal, R.S. Prasad, N. Malaviya (India).

B10.06 Polynomial L-Splines and Laguerre Functionsin Signal Analysis.P.R. Clement (Saudi Arabia).

B10.07 Time Domain Synthesis of Minimum Band-width FSK Signals.M. Campanella, U. Lo Faso, G. Mamola(Italy).