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IEEE Transactions on Vehicular Technology

Issue 1 • Feb. 1987

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Displaying Results 1 - 8 of 8
  • [Front cover and table of contents]

    Publication Year: 1987, Page(s): c1
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    Freely Available from IEEE
  • Measurements of the wide-band radio channel characteristics for rural, residential, and suburban areas

    Publication Year: 1987, Page(s):2 - 6
    Cited by:  Papers (30)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (424 KB)

    A setup for impulse response measurement using short RF pulses and a wide-band receiver is described. The impulse response is measured for every 10 cm of displacement. Results are presented showing the delay spread and the average power delay profiles for rural, residential, and suburban areas. Also some tools are presented to estimate the impulse response, using the radar equation and a diffuse s... View full abstract»

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  • Co-channel interference measurement method for mobile communication

    Publication Year: 1987, Page(s):7 - 13
    Cited by:  Papers (11)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (528 KB)

    A new method of measuring co-channel interference for mobile communication systems is proposed. In this method, the carrier envelope is sampled, and signal-carrier-to-interference-carrier ratio (CIR) is calculated by signal processing. The circuits for measurement are composed of an envelope detector, an analog-to-digital converter, and a microcomputer. Theoretical and experimental evaluations of ... View full abstract»

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  • Effects of channel narrowing in small zone FM mobile communication systems

    Publication Year: 1987, Page(s):14 - 18
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (448 KB)

    In small zone (cellular) FM mobile communication systems, greater geographical reuse is achieved when the modulation index is larger. A large index, however, imposes a small number of channels. The spectrum utilization factor in total thus is determined as a synthesis of available channel number and geographical frequency reuse. From this viewpoint, relationship between the modulation index and sp... View full abstract»

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  • The near/far effect in local ALOHA radio communications

    Publication Year: 1987, Page(s):19 - 27
    Cited by:  Papers (141)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (888 KB)

    The ALOHA protocol allows many uncoordinated terminals to transmit data packets through a common channel. The application of ALOHA to short range (indoor or mobile) radio systems containing mobile terminals that send packets to a central base station is studied. In such systems, terminal-to-base distances can be vastly different and there can be pronounced shadowing. This gives rise to a capture e... View full abstract»

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  • A comparison of data modulation techniques for land mobile satellite channels

    Publication Year: 1987, Page(s):28 - 35
    Cited by:  Papers (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (760 KB)

    Several modulation schemes for transmitting data over land mobile satellite channels are compared using a Monte Carlo simulation. Schemes under consideration include differentially detected minimum shift keying (DMSK), differentially detected filtered offset quadrature phase shift keying (DOQPSK), and coherently detected binary phase shift keying with transparent tone-in-band processing (BPSK-TTIB... View full abstract»

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  • Fractional-bit differential detection of MSK: A scheme to avoid outages due to frequency-selective fading

    Publication Year: 1987, Page(s):36 - 42
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (784 KB)

    A new scheme of fractional-bit differential detection of minimum shift keying (MSK) is proposed. This technique is aimed at reducing timing fluctuation of eye patterns, which is found to be a cause of abnormally long burst errors in a frequency-selective fading channel. We have confirmed in a detailed laboratory experiment that such long-burst errors can be eliminated by employing a differential d... View full abstract»

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  • [Back cover]

    Publication Year: 1987, 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