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Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

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Coverage Analysis for High-Speed Railway Communications with Narrow-Strip-Shaped Cells over Suzuki Fading Channels.

Shenghong Lin¹, Hongyan Wang¹, Weiyong Li¹

¹Jiangsu Province Service Customization Network Application Engineering Research Center, Nanjing Vocational College of Information Technology, Nanjing 210023, China.

Entropy (Basel, Switzerland)

|August 29, 2024

Summary

High-speed railway (HSR) communication requires narrow-strip cell coverage. Ignoring small-scale fading in HSR coverage analysis leads to inaccurate results, as this study demonstrates its significant impact.

Keywords:

Suzuki fading coverage performance edge coverage probability high-speed railway communications narrow-strip-shaped cell percentage of cell coverage area

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Area of Science:

Wireless Communications
Telecommunications Engineering
Signal Processing

Background:

Traditional mobile communications use circular cells, unsuitable for high-speed railway (HSR) environments.
Existing HSR coverage analyses often neglect small-scale fading, leading to performance underestimation.
Accurate coverage analysis is crucial for reliable HSR communication systems.

Purpose of the Study:

To analyze the coverage performance of narrow-strip-shaped cells in HSR communications.
To develop analytical expressions for edge coverage probability (ECP) and cell coverage area (CCA) under Suzuki fading.
To quantify the impact of small-scale fading on HSR communication coverage.

Main Methods:

Modeling the HSR channel with path loss, lognormal shadowing, and Rayleigh small-scale fading (Suzuki channel).
Deriving statistical characteristics of the received signal-to-noise ratio (SNR).
Obtaining analytical expressions for ECP and CCA, and verifying them via Monte Carlo simulations.

Main Results:

Analytical expressions for ECP and CCA were derived for HSR narrow-strip cells.
The study established a link between edge and average coverage performance.
Small-scale fading significantly impacts HSR coverage and cannot be disregarded.

Conclusions:

The derived analytical expressions accurately predict HSR coverage performance.
Small-scale fading is a critical factor in HSR communication coverage analysis.
Understanding the influence of various parameters is essential for optimizing HSR network design.