Vehicle Mobility Characterization Based on Measurements and Its Application to Cellular Communication Systems (Special Issue on Multimedia Mobile Communication Systems)
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概要
- 論文の詳細を見る
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.
- 社団法人電子情報通信学会の論文
- 1999-12-25
著者
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KOBAYASHI Takehiko
YRP Mobile Telecommunications Key Technology Research Laboratories Co., Ltd.
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SHINAGAWA Noriteru
YRP Mobile Telecommunications Key Technology Research Laboratories Co., Ltd.
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WATANABE Yoneo
YRP Mobile Telecommunications Key Technology Research Laboratories Co., Ltd.
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Kobayashi Takehiko
Yrp Mobile Telecommunications Key Technology Research Laboratories Co. Ltd.
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Kobayashi Tetsutaro
Ntt Information Sharing Platform Laboratories
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Shinagawa Noriteru
Yrp Mobile Telecommunications Key Technology Research Laboratories Co. Ltd.
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Shinagawa Noriteru
Ntt Docomo Inc.
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Watanabe Yoneo
Yrp Mobile Telecommunications Key Technology Research Laboratories Co. Ltd.
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Watanabe Y
Doshisha Univ. Kyotanabe‐shi Jpn
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Kobayashi T
Ntt Information Sharing Platform Laboratories
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SHINAGAWA Noriteru
NTTドコモ
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Shinagawa N
Network Laboratories Ntt Docomo Inc.
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Watanabe Yasuaki
Faculty Of Engineering Tokyo Metroploitan University
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Kobayashi Takehiko
Yrp Mobile Telecommunications Key Technology Laboratories Co. Ltd.
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Kobayashi Takehiko
NTT Information Sharing Platform Laboratories
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