High-SNR Channel Capacity for Communication Over Radar Waveforms

High-SNR Channel Capacity for Communication Over Radar Waveforms

We apply recent theory in the high-SNR estimation of channel capacity to study how much information may be encoded in radar pulse waveforms. Waveforms are constrained to those which admit a high-gain, low-sidelobe pulse compression filter. Using simple numerical methods, we compute the high-SNR capa...

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Bibliographic Details
Published in:IEEE transactions on aerospace and electronic systems Vol. 55; no. 3; pp. 1261 - 1268
Main Author: Weiner, Ian
Format: Journal Article
Language:English
Published: New York IEEE 01-06-2019
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Channel capacity
Codes
Coding
Numerical methods
Pulse compression
Radar
Radar signal processing
Receivers
Sidelobe reduction
Sidelobes
Signal processing
Signal to noise ratio
spectrum sharing
Tradeoffs
Wave functions
Waveforms
wireless communication
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Summary:We apply recent theory in the high-SNR estimation of channel capacity to study how much information may be encoded in radar pulse waveforms. Waveforms are constrained to those which admit a high-gain, low-sidelobe pulse compression filter. Using simple numerical methods, we compute the high-SNR capacity of a Gaussian channel using such a waveform alphabet. The resulting tradeoff curves indicate a notably favorable theoretical tradeoff space between signal processing performance and high-SNR channel capacity.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.2018.2884858