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Gaithersburg

Attenuation in Vegetation

NIST conducted two measurement campaigns to collect channel propagation data on seven different types of trees using the Terragraph* 60.5...

Human Presence

The complete model for human presence goes farther than previous efforts, incorporating reflection from the body before and after human...

Building Penetration Loss

Lacking to date is the characterization of loss at different points of incidence and at different angles of incidence across the surface of...

Quasi-Deterministic Channel Model

We reduced the parameters of the Quasi-Deterministic channel propagation model, recently adopted by the IEEE 802.11ay task group for next...

Small-Scale Fading

The constructive and destructive interference gives rise to a phenomenon known as small-scale fading , where the strength of a received...

AI-Assisted Channel Modeling

Through laborious human visual inspection, we are able to “stitch” together hundreds of images of the channel coupled with an environment...

Switched-Array Channel Sounders

NIST developed three switched-array channel sounders at mmWave frequencies that can precisely measure radio propagation channel...

Virtual-Array Channel Sounders

To eliminate phase drift, a synchronization cable between the transmitter and receiver is required, limiting deployment range and...

Phased-Array Channel Sounders

NIST has designed and assembled a 60 GHz channel sounder based on phased-array antennas. Our newest 28 GHz boards retain most of the...

NICE eNewsletter Fall 2021

Subscribe to the NICE eNewsletter welcome Welcome! My name is Timothy Desir, and I was an intern at NICE this past year. I joined NICE...

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