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IEICE TRANSACTIONS on Communications

Vehicle Mobility Characterization Based on Measurements and Its Application to Cellular Communication Systems

Takehiko KOBAYASHI, Noriteru SHINAGAWA, Yoneo WATANABE

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Summary :

Future cellular communication systems will be called upon to provide multimedia services (voice, data, and video) for various user platforms (pedestrians, cars, and trains) that have a variety of mobility characteristics. Knowledge of mobility characteristics is essential for planning, designing and operating communication networks. The position data of selected vehicles (taxis) have been measured by using the Global Positioning System at 1-s intervals. Those data are used for evaluating mobility characteristics, such as probabilistic distributions of speed, cell dwell time, and cell crossover rate of vehicles, assuming that cells are hypothetically laid over the loci of the vehicles. The cell dwell time of vehicles is found to follow a lognormal distribution, rather than a conventionally-presumed negative exponential distribution. When the holding time distribution and random origination of calls along the loci are assumed, the properties of the cell dwell time and the handoff rate of terminals communicating in the hypothetical cellular systems are also estimated from the measured data.

Publication
IEICE TRANSACTIONS on Communications Vol.E82-B No.12 pp.2055-2060
Publication Date
1999/12/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Issue on Multimedia Mobile Communication Systems)
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