TY - GEN
T1 - Scale based coding of digital communication signals
AU - Cochran, D.
AU - Wei, C.
N1 - Funding Information:
This work was supported by the U.S. Air Force under grant No. AFOSR-90-0137.
Funding Information:
‘This work was supported by the U.S. Air Force under grant
Publisher Copyright:
© 1992 IEEE.
PY - 1992
Y1 - 1992
N2 - Multiple-access communication schemes using wavelet-based orthogonal codes are described. In the simplest such scheme, the message bit stream in each channel is encoded as a sequence of time-shifted replicates of a mother wavelet symbol at a particular scale. Different channels use the same wavelet symbol but a different scale. The messages are decodable if the time-shifted and dilated replicates of the wavelet symbol used in the encoding are orthogonal. Variations and potential applications of this scale-division multiple-access scheme in low-probability-of-exploitation communication systems are discussed. Examples are presented to demonstrate the (Fourier) spectral spreading that can be obtained using this approach.
AB - Multiple-access communication schemes using wavelet-based orthogonal codes are described. In the simplest such scheme, the message bit stream in each channel is encoded as a sequence of time-shifted replicates of a mother wavelet symbol at a particular scale. Different channels use the same wavelet symbol but a different scale. The messages are decodable if the time-shifted and dilated replicates of the wavelet symbol used in the encoding are orthogonal. Variations and potential applications of this scale-division multiple-access scheme in low-probability-of-exploitation communication systems are discussed. Examples are presented to demonstrate the (Fourier) spectral spreading that can be obtained using this approach.
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U2 - 10.1109/TFTSA.1992.274161
DO - 10.1109/TFTSA.1992.274161
M3 - Conference contribution
AN - SCOPUS:31044438558
T3 - Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis
SP - 455
EP - 458
BT - Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 1992 IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis
Y2 - 4 October 1992 through 6 October 1992
ER -