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IEEE Communications Magazine

Issue 3 • Date March 1999

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Displaying Results 1 - 18 of 18
  • Satellite ATM network architecture [Guest Editorial]

    Publication Year: 1999, Page(s):28 - 29
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    Freely Available from IEEE
  • Tele-learning: The "Killer App"? [Guest Editorial]

    Publication Year: 1999, Page(s):80 - 81
    Cited by:  Papers (10)
    Request permission for commercial reuse | PDF file iconPDF (233 KB)
    Freely Available from IEEE
  • The exciting frontier of lightwave technology [Guest Editorial]

    Publication Year: 1999, Page(s): 119
    Cited by:  Papers (1)
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    Freely Available from IEEE
  • Interactive multimedia communication systems for next-generation education using asymmetrical satellite and terrestrial networks

    Publication Year: 1999, Page(s):102 - 106
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (636 KB)

    We propose a new concept of a hierarchical network structure for remote education. This system combines broadband satellite networks and simple terrestrial communication networks effectively to meet the demands of point-to-multipoint communications. Remote education experiments have been conducted using the proposed satellite communication networks. The results of network characteristics and degre... View full abstract»

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  • Next-generation satellite networks: architectures and implementations

    Publication Year: 1999, Page(s):30 - 36
    Cited by:  Papers (30)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (720 KB)

    A new generation of satellite networks is being developed to handle highly bursty Internet and multimedia traffic. In these networks, satellite links are used for interconnecting remote network segments as well as for providing direct network access to homes and businesses. In this environment, the satellite network must support not only circuit switched traffic, but also packet services with high... View full abstract»

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  • Building a virtual community for a tele-learning environment

    Publication Year: 1999, Page(s):114 - 118
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (668 KB)

    This article presents the results of a research project that requires students and faculty to evolve a virtual community in a university class. The concepts, requirements, and importance of a virtual community are discussed, along with the skill requirements necessary for students to participate effectively in a virtual community. The Web sites and class assignments that form the basis of a virtua... View full abstract»

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  • Protocol architectures for satellite ATM broadband networks

    Publication Year: 1999, Page(s):46 - 54
    Cited by:  Papers (29)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1140 KB)

    The latest developments and experimentation in asynchronous transfer mode (ATM) technology show that ATM will be a candidate transport mechanism in many private and public multimedia networks. Furthermore, the interest in satellite ATM systems has grown considerably because they can rapidly and economically extend the boundaries of any terrestrial network. Currently, there is a huge increase in th... View full abstract»

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  • WASPNET: a wavelength switched packet network

    Publication Year: 1999, Page(s):120 - 129
    Cited by:  Papers (132)  |  Patents (35)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1064 KB)

    WASPNET is an EPSRC-funded collaboration between three British Universities: the University of Strathclyde, Essex University, and Bristol University, supported by a number of industrial institutions. The project which is investigating a novel packet-based optical WDM transport network-involves determining the management, systems, and devices ramifications of a new network control scheme, SCWP, whi... View full abstract»

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  • Medium access control protocols performance in satellite communications

    Publication Year: 1999, Page(s):62 - 71
    Cited by:  Papers (67)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1096 KB)

    Medium access control protocols are at the core of all forms of electronic communications systems. MAC protocols are designed to coordinate the transmission of packets, retransmission of damaged packets, and resolution of collisions among stations during a contention period. MAC protocols are foundations in low-level network architecture and play a significant role in the performance of higher-lev... View full abstract»

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  • ATM and wireless experiments for remote lectures

    Publication Year: 1999, Page(s):98 - 101
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (528 KB)

    We examine our remote lecture experiments using ATM and UNII wireless devices. We discussed which functions should be improved in the current distance-learning system. The Unlicensed National Information Infrastructure/Shared Unlicensed Personal Radio Network (UNII/SUPERNet) wireless devices are introduced for achieving economical distance-learning systems. Two experiments of remote lectures are d... View full abstract»

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  • Creating educational Web sites

    Publication Year: 1999, Page(s):109 - 113
    Cited by:  Papers (2)  |  Patents (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (604 KB)

    This article deals with the issue of educators creating their own educational Web sites equipped with original Web-based teaching materials developed by themselves. As an illustrative example, teaching of English as a foreign language in Japan is taken. Several concrete ideas in building up educational Web sites are illustrated, including an example of Web-based rapid reading exercise pages, an ex... View full abstract»

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  • Network segment mobility in ATM networks

    Publication Year: 1999, Page(s):38 - 45
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (736 KB)

    This article describes the extension of the ATM PNNI v.1 protocol to support the mobility of ATM network segments, consisting of one or more ATM switches, relative to a fixed ATM infrastructure. An application scenario involving an ATM network onboard an aircraft in flight that maintains ATM connectivity via satellite with the ground network is adopted for illustrative purposes. While both routing... View full abstract»

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  • Traffic management for TCP/IP over satellite ATM networks

    Publication Year: 1999, Page(s):56 - 61
    Cited by:  Papers (20)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (712 KB)

    Several Ka-band satellite systems have been proposed that will use ATM technology to seamlessly transport Internet traffic. The ATM UBR, GFR, and ABR service categories have been designed for data. However, several studies have reported poor TCP performance over satellite ATM networks. We describe techniques to improve TCP performance over satellite ATM networks. We first discuss the various desig... View full abstract»

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  • WDM-based packet networks

    Publication Year: 1999, Page(s):130 - 135
    Cited by:  Papers (25)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (660 KB)

    We discuss design considerations for wavelength division multiplexing (WDM)-based packet networks. In the near term, such networks are likely to consist of WDM links connected using some form of electronic multiplexing. The focus of this article is on the joint design of the electronic and optical layer with the objective of simplifying the network and reducing the protocol stack. To that end, we ... View full abstract»

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  • Modeling and simulation of broadband satellite networks .I. medium access control for QoS provisioning

    Publication Year: 1999, Page(s):72 - 79
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (796 KB)

    Broadband satellite networks will play an important role in future integrated services networks. Satellite networks also present unique challenges in system design related to quality of service (QoS) provisioning. In certain system scenarios, medium access control plays a crucial role in the network's ability to deliver a QoS contract. This article focuses on the applications that we envision will... View full abstract»

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  • Applications of computer communications in education: an overview

    Publication Year: 1999, Page(s):82 - 86
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (996 KB)

    Applications of computer communications can be used in many ways in education. An overview is given of a number of categories of computer communications applications in learning-related activities. Particular attention is given to a new type of system called a course-support environment. In this type of system a database is integrated with Web-based tools and applications, and used to generate a c... View full abstract»

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  • Online distance education in the United States

    Publication Year: 1999, Page(s):87 - 91
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1008 KB)

    Distance education is not a new phenomenon. Correspondence courses have been around for many years. Instructional television is a much newer phenomenon, but we nonetheless have decades of experience. However, currently we are experiencing a “virtual land rush” (some would say “gold rush”) in distance education because of the advent of the Internet. This article examines why... View full abstract»

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  • Web based teaching and learning: a panacea?

    Publication Year: 1999, Page(s):92 - 96
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (552 KB)

    Applying the Web to educational purposes is a major field of research nowadays. Discussions in the public arena are largely being led by wild enthusiasm for the far-reaching possibilities offered by this new technology and there appears to be no place for an objective review. Everything seems to be possible, with no limitations in sight. The Web and its applications are seen as the panacea for edu... View full abstract»

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Aims & Scope

IEEE Communications Magazine, considered by most to be their most important member benefit, provides timely information on all aspects of communications: monthly feature articles describe technology, systems, services, market trends, development methods, regulatory and policy issues, and significant global events.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Osman Gebizlioglu
Huawei Technologies