Modeling of Communication-Based Train Control (CBTC) Radio Channel With Leaky Waveguide
Authors:
- 28 August 2013
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Antennas and Wireless Propagation Letters
- Vol. 12 (15361225) , 1061-1064
Abstract
In urban rail transit systems using communication-based train control (CBTC), leaky waveguide has been used as the propagation medium for the viaduct scenarios, as it can provide better performance and stronger anti-interference ability than free space. Based on the measurements of leaky waveguide, a model of CBTC radio channel with leaky waveguide is proposed in this letter. Our model shows that the large-scale fading is linear, and the path-loss exponent can be approximated by the transmission loss of leaky waveguide. The small-scale fading follows Log-normal distribution. In addition, the corresponding parameters of Log-normal distribution are also determined from the measurement results.Keywords
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