NDLI: Analysis of Coverage Efficiency of Radio-over-Fiber Network for Railway LOCOTROL Wireless Communication System

Content Provider	IEEE Xplore Digital Library
Author	Tianyang Yuan Hao Wu
Copyright Year	2014
Description	Author affiliation: State Key Lab. of Rail Traffic Control & Safety, Beijing Jiaotong Univ., Beijing, China (Tianyang Yuan; Hao Wu)
Abstract	Radio-over-fiber (RoF) technology can effectively improve reliability and quality of service (QoS) of railway communication systems. This paper studies the coverage efficiency of ROF in heavy haul railway. Coverage efficiency is determined by calculating the area power consumption of cell according to combined path loss and shadowing model. The value of the length of remote antenna unit (RAU) cells overlapping area, which would maximize coverage efficiency in different situations, is also estimated. Then, the relation between coverage efficiency and the proportion of antennas installed on the roof of train and RAUs is analyzed. Through theoretical analysis and experimental results, a conclusion for heavy-haul railway can be acquired. When the users' minimum power requirement is fixed, the proportion of train antennas and RAUs which would maximize coverage efficiency is only decided by the separation distance of train antennas rather than the number of them. Meanwhile, the optimal proportions of train antennas and RAUs for corresponding interval of separation distance of train antennas and different users' minimum power requirement are provided.
Starting Page	1
Ending Page	5
File Size	399121
Page Count	5
File Format	PDF
ISBN	9781479944491
DOI	10.1109/VTCFall.2014.6965877
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-14
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antennas Rail transportation Wireless communication Power demand Analytical models Quality of service Shadow mapping
Content Type	Text
Resource Type	Article

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