IEEE Journal on Selected Areas in Communications

Issue 7 • October 1986

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  • [Front cover and table of contents]

    Publication Year: 1986, Page(s): 0
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  • [Back cover]

    Publication Year: 1986, Page(s): 0
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  • Quality Management - Guest Editor's Prologue

    Publication Year: 1986, Page(s):997 - 1000
    Cited by:  Papers (2)
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  • Guest Editorial: Quality and Reliability Management

    Publication Year: 1986, Page(s): 1001
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  • Guest Editorial: Quality and Reliability Field Results for Communications Systems

    Publication Year: 1986, Page(s):1032 - 1033
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  • The Activity-Dependent Failure Intensity of SPC Systems--Some Empirical Results

    Publication Year: 1986, Page(s):1052 - 1059
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (758 KB)

    This paper presents the results of an investigation of the relationship between the occurence intensity of different failures in the fault-tolerant control system of three SPC (stored-program control) telephone exchanges and various activity dependent factors in the real time environment of the exchanges. The analysis is based on 475, 439, and 243 failure registrations during 85, 71, and 64 months... View full abstract»

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  • Guest Editorial: Reliability and Quality of Evolving Telecommunications

    Publication Year: 1986, Page(s):1060 - 1061
    Cited by:  Papers (1)
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  • Quality-of-Service in Evolving Telecommunications Networks

    Publication Year: 1986, Page(s):1084 - 1089
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (782 KB)

    This paper addresses the problem of achieving overall quality-of-service of telecommunications networks in North America, following the divestiture of AT&T and the resulting competitive multivendor environment. The paper outlines an approach based onbulleta top-down process in which quality-of-service is designed into networks by individual network vendors in cooperation with coordinati... View full abstract»

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  • Guest Editorial: Reliability and Quality Case Studies

    Publication Year: 1986, Page(s):1097 - 1098
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  • Guest Editorial: Quality and Reliability Theory for Communications

    Publication Year: 1986, Page(s):1131 - 1132
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  • Guest Editorial: Reliability/Quality/Performance of Networks

    Publication Year: 1986, Page(s): 1155
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  • Reliability Analysis of a Communication Network with Multimode Components

    Publication Year: 1986, Page(s):1156 - 1161
    Cited by:  Papers (23)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (573 KB)

    This paper presents a model to calculate the reliability of communication networks with multimode components. Previous research on network reliability has focused on models in which each component may be in one of two modes, namely, operative or failed. In reality, a component may undergo degradations in performance before a complete outage, and will therefore operate in more than two modes. Tradi... View full abstract»

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  • Measures of Test Effectiveness in a Communications Satellite Program

    Publication Year: 1986, Page(s):1039 - 1043
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (536 KB)

    A framework for establishing test-effectiveness criteria can be developed by analyzing the test experience of a satellite program. Such criteria can then be used to design an optimal test plan for future application. This paper reviews a typical acceptance test profile and uses a hypothetical example to illustrate a failure distribution scenario during acceptance testing. A method for improving te... View full abstract»

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  • Logistics Quality Management--The Key to Customer Satisfaction

    Publication Year: 1986, Page(s):1062 - 1067
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (544 KB)

    As a corporation, our top priority is customer satisfaction. Worldwide customer satisfaction requires that we engineer, manufacture, and market the highest quality information systems in the industry. It also requires that we provide prompt efficient service in the field to these systems. Field Service is a strategic competitive asset that contributes almost a third of the corporation's revenues. ... View full abstract»

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  • On Lagrange Multipliers in Work with Quality and Reliability Assurance

    Publication Year: 1986, Page(s):1143 - 1148
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (528 KB)

    In optimizing some property of a system, reliability say, a designer usually has to accept certain constraints regarding cost, completion time, volume, weight, etc. The solution of optimization problems with boundary constraints can be helped substantially by the use of Lagrange multipliers techniques (LMT). With representative examples of increasing complexity, the wide applicability of LMT is il... View full abstract»

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  • Fault Coverage of Intelligent Switching Networks

    Publication Year: 1986, Page(s):1138 - 1142
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (472 KB)

    Coverage is a systems parameter describing the effectiveness of self-test procedures chosen for built-in tests (BIT) and other design provisions, such as recoverability, for protection of a system against faults. Classical reliability equations can be substantially modified by the inclusion of the coverage parameter because failures due to insufficient coverage often turn out to be the major cause... View full abstract»

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  • Quality--A Commitment by NYNEX

    Publication Year: 1986, Page(s):1021 - 1023
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (288 KB)

    At NYNEX quality is a workstyle-customers expect itregulators look for it-employees utilize it, and expect it from suppliers. As president John F. Kennedy once said, "We stand today on the edge of a new frontier, a frontier of unknown opportunities and perils, a frontier of unfulfilled hopes and threats." Divestiture of the Bell System carries with it all the markings of a frontier and, like it or... View full abstract»

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  • Approximate Markov Modeling of High-Reliability Telecommunications Systems

    Publication Year: 1986, Page(s):1133 - 1137
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (504 KB)

    The reliability model of a system with redundancy but only a single repairman is Markov only if the component failure rates and the repair rate are constants. This paper introduces a method with which a reliability analyst can formulate an approximate (time-homogeneous) Markov model for a system with 1-out-of-2 redundancy when repair is nonexponential (repair rate is time-dependent). This approxim... View full abstract»

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  • A Highly Reliable LAN Protocol

    Publication Year: 1986, Page(s):1181 - 1183
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (384 KB)

    As a research project for NASA's Langley Research Center, we developed a variation on MIL-STD-1553B (the military standard for avionics buses) whose goal was increased fault tolerance. The resulting protocol, called implicit token passing (ITP), replaces an explicit token with brief "soundoff" messages from all nodes participating on the LAN. Since every node participates on every "token cycle," b... View full abstract»

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  • Reliability of Commercial Communications Satellite Systems

    Publication Year: 1986, Page(s):1034 - 1038
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (496 KB)

    Over the past 20 years, commercial communications satellite systems have developed into effective and reliable global, regional, maritime, and domestic communications services. These systems provide telephone, telegraph, television, data, and facsimile transmission and reception. This paper reviews the history and status of today's commercial communications satellite systems and discusses the desi... View full abstract»

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  • Avionics Maintenance 2010

    Publication Year: 1986, Page(s):1090 - 1096
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (664 KB)

    This paper postulates an avionics maintenance concept for the year 2010. The concept recognizes the change that is occurring in new systems toward internal fault isolation using built-in test. Currently, fault isolation data are held in the failed system or within the aircraft computer for subsequent analysis by maintenance personnel. Under the Maintenance 2010 concept, fault data would be analyze... View full abstract»

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  • Engineering Reliability Management

    Publication Year: 1986, Page(s):1015 - 1020
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (680 KB)

    This paper describes various areas of the reliability management. Areas covered are the historical development, general management considerations, achieving the reliability program objectives and guidelines for the reliability program management, reliability and maintainability management tasks in the product life cycle, steps to improve reliability of engineering products, reliability and maintai... View full abstract»

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  • Current Telecommunication Network Reliability Models: A Critical Assessment

    Publication Year: 1986, Page(s):1168 - 1173
    Cited by:  Papers (19)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (824 KB)

    This paper is a critique of major weaknesses of current techniques for analyzing the reliability of computer communication networks. Several of the most important factors influencing the reliability seen by users of such systems have been almost completely ignored or modeled in a rudimentary fashion. Ignoring such factors may be partially justified by the inherent complexity of the problems being ... View full abstract»

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  • Analysis of Total Outage Data for Stored Program Control Switching Systems

    Publication Year: 1986, Page(s):1044 - 1046
    Cited by:  Papers (17)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (376 KB)

    This paper is based on a study conducted by Bell Communications Research of outage data for various stored program control (SPC) switching systems (exchanges) in various Bell Operating Companies. The outage causes were first classified into four basic categories. These basic causes were then subcategorized to further define the causes of failures. View full abstract»

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  • Achieving Network Availability in a Multilayered Protocol Environment

    Publication Year: 1986, Page(s):1149 - 1154
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (752 KB)

    The software/hardware is available now to quickly construct very large networks. These networks contain various layers of connectivity with the possibility of different vendors providing each layer. Each layer may have its own means of operator management and control. The growth of these networks is starting to outstrip the ability of network operators to effectively recognize and attack problems.... View full abstract»

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Aims & Scope

IEEE Journal on Selected Areas in Communications focuses on all telecommunications, including telephone, telegraphy, facsimile, and point-to-point television, by electromagnetic propagation.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Muriel Médard
MIT