IEEE Transactions on Vehicular Technology

Issue 4 • Nov. 1982

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Displaying Results 1 - 6 of 6
  • [Front cover and table of contents]

    Publication Year: 1982, Page(s): c1
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    Freely Available from IEEE
  • Digital mobile telephone system using TD/FDMA scheme

    Publication Year: 1982, Page(s):153 - 157
    Cited by:  Papers (7)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (696 KB)

    Multiple access is an indispensable technique for efficient radio spectrum utilization in mobile radio systems, because a large number of subscribers can be connected only when they require radio channels. Frequency division multiple access (FDMA) scheme using single channel per carrier (SCPC) has been widely used. However, the SCPC-FDMA scheme has some problems, such as difficulty in setting up a... View full abstract»

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  • An investigation of delta modulation of speech for mobile radio

    Publication Year: 1982, Page(s):158 - 165
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (639 KB)

    A characteristic of a mobile radio channel is the occurrence of correlated signal fading that results in burst errors. The use of adaptive delta modulation (ADM) based on explicit transmission of the quantizer step size was proposed earlier for speech communication over such a channel. Two other variable step-size delta modulation (VSDM) schemes are presented, and their performance in a mobile rad... View full abstract»

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  • Postdetection selection diversity effects on digital FM land mobile radio

    Publication Year: 1982, Page(s):166 - 172
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (565 KB)

    The postdetection selection diversity effects on a binary digital FM system are theoretically analyzed in the fast Rayleigh fading signal environment encountered in the typical UHF or microwave land mobile radio channels. Both differential and discriminator detections are considered for demodulation of digital FM signal. The average error rate is presented by a simple closed form including both ef... View full abstract»

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  • The near field of omnidirectional helical antennas

    Publication Year: 1982, Page(s):173 - 185
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1081 KB)

    The close near field of helical antennas, radiators widely used in connection with two-way portable communication equipment, is investigated theoretically and experimentally. The investigation has been motivated by safety related considerations. A simplified mathematical model for the radiation from helical antennas with a large number of turns is derived. The near E-field intensity obtained from ... View full abstract»

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  • [Back cover]

    Publication Year: 1982, Page(s): c4
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    Freely Available from IEEE

Aims & Scope

IEEE Transactions on Vehicular Technology covers land, airborne, and maritime mobile services, vehicular electrotechnology, equipment, and systems identified with the automotive industry.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Nei Kato, Professor
Graduate School of Information Sciences (GSIS)
Tohoku University
Aramaki-Aoba 6-3-09, Aoba-ku, Sendai, 980-8579, JAPAN
Email: kato@it.is.tohoku.ac.jp