Trellis coded multilevel DPSK system with doppler correction for mobile satellite channels
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United States of America Patent
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Jun 11, 1991
Grant Date -
N/A
app pub date -
May 31, 1988
filing date -
May 31, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A trellis coded multilevel differential phase shift keyed mobile communication system. The system of the present invention includes a trellis encoder for translating input signals into trellis codes; a differential encoder for differentially encoding the trellis coded signals; a transmitter for transmitting the differentially encoded trellis coded signals; a receiver for receiving the transmitted signals; a differential demodulator for demodulating the received differentially encoded trellis coded signals; and a trellis decoder for decoding the differentially demodulated signals.
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