Delay Spread and Electromagnetic Reverberation in Subway Tunnels and Stations

This letter presents an extensive campaign of wideband propagation measurements conducted in a modern subway environment in Madrid, Spain, at 980 and 2450 MHz. Measurements have been made using a channel sounder in a realistic environment of tunnel and station. Based on the measurement results, the...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2016, Vol.15, p.585-588
Main Authors: Lei Zhang, Briso, Cesar, Olivier Fernandez, Jean Raphael, Alonso, Jose I., Rodriguez, Carlos, Moreno Garcia-Loygorri, Juan, Ke Guan
Format: Article
Language:English
Subjects:
Antenna measurements
Antennas
Channel sounding and modeling
Channels
Delay
delay spread
Delays
electromagnetic reverberation
multipath propagation
Optimization
Public transportation
Reverberation
subway
Subway stations
Subway tunnels
Subways
tunnel
Wideband
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Summary:This letter presents an extensive campaign of wideband propagation measurements conducted in a modern subway environment in Madrid, Spain, at 980 and 2450 MHz. Measurements have been made using a channel sounder in a realistic environment of tunnel and station. Based on the measurement results, the principal parameters, such as mean power and delay spread, have been extracted for wideband propagation modeling. Furthermore, the results have been used to model electromagnetic reverberation, quality factor, and transition region between tunnel and station. The quantitative results provide a detailed wideband model of subway environment, as well as determine the design tradeoffs inside real tunnels and stations, in terms of optimal frequency band, antenna position, and expected multipath.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2015.2462022