Pulse or digital communications – Systems using alternating or pulsating current – Antinoise or distortion
Patent
1996-04-04
1998-09-29
Chin, Stephen
Pulse or digital communications
Systems using alternating or pulsating current
Antinoise or distortion
375280, 375308, 375332, H04B 1500, H04L 2718
Patent
active
058155295
ABSTRACT:
A digital audio broadcasting system includes an RF transmitter and a corresponding RF receiver. In the RF transmitter, a digitally compressed audio signal is encoded into a symbol stream that is first rotated using a frequency of 150,000 hertz (hz) before transmission to the RF receiver.
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Chin Stephen
Gluck Jeffrey W.
Lucent Technologies - Inc.
Opalach Joseph J.
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