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Millimeter-wave Channel-Sounder Performance Verification using Vector Network Analyzer in a Controlled RF Channel.

Jeanne T Quimby1, Dylan F Williams1, Kate A Remley1

  • 1Communications Technology Laboratory, National Institute of Standards and Technology, Boulder, CO 80305 USA.

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|December 28, 2022
PubMed
Summary
This summary is machine-generated.

A novel technique verifies E-band channel-sounder performance by comparing its measurements to a vector network analyzer. This method enhances accuracy by minimizing assumptions, improving hardware and processing verification.

Keywords:
channel-sounder verificationmeasurement uncertaintymillimeter-wave wireless communicationswireless system

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Area of Science:

  • Electrical Engineering
  • Radio Science
  • Metrology

Background:

  • Accurate performance verification of channel sounders is crucial for reliable radio propagation measurements.
  • Existing verification techniques often rely on assumptions that can limit accuracy.
  • Millimeter-wave communication systems require precise channel characterization.

Purpose of the Study:

  • To introduce a new performance verification technique for E-band channel sounders.
  • To provide a more robust method for validating channel-sounder hardware and processing.
  • To reduce inaccuracies inherent in current verification approaches.

Main Methods:

  • A comparison-to-reference technique was developed, utilizing a controlled, static radio frequency (RF) channel.
  • Measurements from an E-band channel-sounder were directly compared with those from a reference vector network analyzer (VNA).
  • Mechanical switches were employed to establish the static RF channel, and VNA uncertainty analysis was applied to power delay profiles.

Main Results:

  • The new technique successfully compared channel-sounder and VNA-derived channel metrics.
  • It demonstrated a stronger verification of the channel-sounder's hardware and processing performance.
  • The method effectively reduced the number of inaccurate assumptions compared to other techniques.

Conclusions:

  • The developed comparison-to-reference technique offers a more accurate verification for E-band channel sounders.
  • This method enhances confidence in channel-sounder measurements, particularly for millimeter-wave applications.
  • The technique is suitable for channel-sounder hardware, including those with removable antennas.