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Services offered by a packet-switched cellular IVHS with a single radio channel

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1 Author(s)
Zoican, R. ; Electron. & Telecommun. Fac., Politehnic Inst. of Bucharest, Romania

This paper analyzes a radio architecture that offers two-way transmission services to IVHS (intelligent vehicle highway systems), in a typical metropolitan area, using only a single radio channel of 30 kHz. The paper presents the multiple communication services that can be supported within this bandwidth: datacasting, packet switched transmissions to and from vehicles, collection of traffic data from probe vehicles and transmissions of emergency messages. The paper analyzes two cases: (i) a normal peak-period traffic and (ii) a case of a major highway incident (during the peak-period traffic) creating abnormally high localized IVHS data loads in the central area of Bucharest. The author presents the following results and curves: expected waiting time vs. location for the reuse factor Q=1, 4, 9 (with no shadowing); expected waiting time vs. location for Q=1, 4, 9 (with 7 dB shadowing); the average delay-throughput curve for the peak-period traffic

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Electrotechnical Conference, 2000. MELECON 2000. 10th Mediterranean  (Volume:1 )

Date of Conference: