Transmission system and receiver for this system
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United States of America Patent
Stats
-
Dec 6, 1994
Grant Date -
N/A
app pub date -
Jul 1, 1993
filing date -
Jul 16, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Receiver (105) for signals transmitted according to an orthogonal frequency division multiplexing technique with carriers distributed symmetrically around a centre frequency f.sub.e, said receiver comprising a frequency synchronizer (116) for the local oscillator (214). The synchronizer (116) utilizes the fact that part of the side carriers are not transmitted to ensure in the lock-on mode a frequency synchronization having a wide lock-on range. It may also be used in the permanent mode with very little jitter. The receiver can be used in digital television for receiving signals transmitted according to an orthogonal frequency division multiplexing technique.
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