Distributed Antenna Systems for Mobile Communications in High Speed Trains

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Mobility
Format: PDF
With the deployment of High Speed Train (HST) systems increasing worldwide and their popularity with travelers growing, providing Broadband Wireless Communications (BWC) in HSTs is becoming crucial. In this paper, a tutorial is presented on recent research into BWC provision for HSTs. The basic HST BWC network architecture is described. Two potential cellular architectures, microcells and Distributed Antenna Systems (DASs) based cells, are introduced. In particular, the DAS is discussed in conjunction with Radio over Fiber (RoF) technology for BWC for HSTs. The technical challenges in providing DAS-based BWC for HSTs, such as handoff and RoF are discussed and outlined.
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