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Selected Areas in Communications, IEEE Journal on

Issue 4 • Date July 1985

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Displaying Results 1 - 17 of 17
  • [Back cover]

    Publication Year: 1985 , Page(s): 0
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    Freely Available from IEEE
  • [Front cover and table of contents]

    Publication Year: 1985 , Page(s): 0
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    Freely Available from IEEE
  • Editorial: Addition to the Editorial Board

    Publication Year: 1985 , Page(s): 493
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    Freely Available from IEEE
  • Guest Editorial

    Publication Year: 1985 , Page(s): 494 - 496
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    Freely Available from IEEE
  • Architecture, Design, and Development of the System 75 Office Communications System

    Publication Year: 1985 , Page(s): 522 - 530
    Cited by:  Papers (1)  |  Patents (3)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1012 KB)  

    AT&T-IS System 75 is a new customer-premises digital communications system. It is designed to complement the larger AT&TIS System 85 in the intermediate size range of 20-400 stations and makes use of the same terminals and adjuncts. System 75 utilizes a distributed switching and control architecture and employs VLSI for a compact cost-effective realization. Integrated voice and data commun... View full abstract»

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  • ASBU 501 - A Digital SPC Voice/Data Switching System

    Publication Year: 1985 , Page(s): 531 - 545
    Cited by:  Papers (1)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1014 KB)  

    The ASBU 501 is a fourth-generation all-digital switch employing distributed control architecture and a functional top-down design. This paper is organized in three major sections describing the structured system design, the basic equipment, and the software design principles for distributed control. The first section diagrams the layered functional structure and describes the subsystems, function... View full abstract»

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  • Guidelines for the Preparation of Proposals for Special Issues

    Publication Year: 1985 , Page(s): 606 - 607
    Request Permissions | Click to expandAbstract | PDF file iconPDF (103 KB)  

    First Page of the Article
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  • Integrated-Circuit and Packet-Switching Applications to a Loop System for Local Area Networks

    Publication Year: 1985 , Page(s): 574 - 583
    Cited by:  Patents (4)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (920 KB)  

    The Universal Link System belongs to the "loop subsystem" of a local area network (LAN). This system has circuit-switching facilities and packet-switching facilities, and uses a local area network as an integrated switching system. The Universal Link System is well suited for a very wide range of uses, with the merits of both circuit switching and packet switching. The Outline of this system is de... View full abstract»

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  • The Harris 20-20 Integrated Network Switch

    Publication Year: 1985 , Page(s): 561 - 568
    Cited by:  Papers (1)  |  Patents (4)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (808 KB)  

    This paper describes the system architecture of the Harris 20-20, an integrated voice/data network switch. Both hardware and software aspects of the system are presented. The hardware buses and all major assemblies are identified and described. The architecture is innovative in that the system accommodates both North American and European standard multiplex equipment. The software design permits t... View full abstract»

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  • Distributed Microprocessors Control Architecture for Versatile Business Communications

    Publication Year: 1985 , Page(s): 508 - 521
    Cited by:  Papers (2)  |  Patents (1)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1856 KB)  

    This paper describes the NEAX®2400 Information Management System (IMS), which is no longer a conventional telephone switching system, but is instead a switching hub for various office automation equipment. The NEAX2400 IMS not only provides various circuit-switching functions such as conventional voice communication (telephone) switching, low-speed and high-speed data switching, but also prov... View full abstract»

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  • The Horizon® Communications System

    Publication Year: 1985 , Page(s): 497 - 507
    Cited by:  Patents (2)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1568 KB)  

    When the Horizon Communications System was introduced in 1977, it was one of the first processor-controlled hybrid Key TelephonePBX systems in the marketplace. It has evolved over time and been enhanced by adding both features and functions. This paper reviews Horizon's design and discusses some of the goals and the rationale which guided the development. Other than station message detail recordin... View full abstract»

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  • Transition to the AT&T-IS Integrated Private Network Architecture

    Publication Year: 1985 , Page(s): 600 - 605
    Cited by:  Papers (1)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (640 KB)  

    Private corporate networks are evolving toward all-digital networks that combine voice and data transmission on a single network. The functional and economic advantages of those networks over their analog antecendents motivate this evolution. This paper describes AT&T Information Systems integrated private network architecture and its functional and economic advantages. View full abstract»

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  • Distributed Control in a Key Telephone System

    Publication Year: 1985 , Page(s): 595 - 599
    Request Permissions | Click to expandAbstract | PDF file iconPDF (416 KB)  

    This paper describes the distributed microprocessor architecture used in the Electra IMS digital communication system. The system has been in service in the U.S. as of 1985. The system's maximum line size is 160, its maximum trunk size is 80, and it can accommodate both normal single-line telephones and proprietary digital telephones. Data switching can also be performed because of the PCM/ TDM ar... View full abstract»

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  • The Evolution of Data Switching for PBX's

    Publication Year: 1985 , Page(s): 569 - 573
    Cited by:  Patents (5)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (536 KB)  

    This paper compares and contrasts the different traffic requirements of both voice and data communications. The role of evolving PBX technology in solving data communication needs is outlined, beginning with the analog PBX's of the 1970's and the digital-switching technology of the 1980's. The evolution of packet switching, and its superiority over traditional circuit switching for solving data co... View full abstract»

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  • The MERLINTMCommunications System

    Publication Year: 1985 , Page(s): 584 - 594
    Cited by:  Patents (1)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (976 KB)  

    The MERLINTMCommunications System is a family of architecturally consistent small-business communications systems. The architecture is a star configuration with a central 8 bit microprocessor in the switch or Control Module for control of all telephone functions. The telephones and the processor exchange information over a proprietary four-pair protocol in a 24 bit message. In the Contr... View full abstract»

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  • The CBX II Switching Architecture

    Publication Year: 1985 , Page(s): 555 - 560
    Cited by:  Papers (2)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (680 KB)  

    This paper describes the architecture of the ROLM CBX II, a highly modular successor to the ROLM CBX. The paper outlines the physical and logical construction of the system and its capabilities, concentrating on data communications. The development goals for the system are presented, and the system characteristics are related to the goals. Architectural features which provide the basis for future ... View full abstract»

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  • New Development Method of Office Automation-Oriented PBX's

    Publication Year: 1985 , Page(s): 546 - 554
    Cited by:  Patents (1)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (944 KB)  

    This paper describes a new methodology for developing office automation-oriented private branch exchanges (OA-PBX). Business communications are closely related to the type of business, information used in the business, and the people working in that business environment. It is expected that business communications services, man-machine interfaces, and equipment will become significantly diversifie... 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