IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Special Section on EU's FP7 ICT R&D Project Activities on Future Broadband Access Technologies
Broadband Access in Complex Environments: LTE on Railway
César BRISO-RODRÍGUEZCarlos F. LÓPEZJean R.O. FERNÁNDEZSergio PÉREZDrasko DRASKOVICJaime CALLE-SÁNCHEZMariano MOLINA-GARCIAJosé I. ALONSOCarlos RODRÍGUEZCarlos HERNÁNDEZJuan MORENOJosé RODRÍGUEZ-PIÑEIROJosé A. GARCÍA-NAYALuis CASTEDOAlfonso FERNANDEZ-DURÁN
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2014 Volume E97.B Issue 8 Pages 1514-1527

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Abstract

This paper assesses the main challenges associated with the propagation and channel modeling of broadband radio systems in a complex environment of high speed and metropolitan railways. These challenges comprise practical simulation, modeling interferences, radio planning, test trials and performance evaluation in different railway scenarios using Long Term Evolution (LTE) as test case. This approach requires several steps; the first is the use of a radio propagation simulator based on ray-tracing techniques to accurately predict propagation. Besides the radio propagation simulator, a complete test bed has been constructed to assess LTE performance, channel propagation conditions and interference with other systems in real-world environments by means of standard-compliant LTE transmissions. Such measurement results allowed us to evaluate the propagation and performance of broadband signals and to test the suitability of LTE radio technology for complex railway scenarios.

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© 2014 The Institute of Electronics, Information and Communication Engineers
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