Radio receiver apparatus and phase correcting method thereof

Details Radio receiver apparatus and phase correcting method thereof Radio receiver apparatus and phase correcting method thereof

1994-03-18

1996-03-26

Chin, Stephen

Pulse or digital communications

Synchronizers

Frequency or phase control using synchronizing signal

3701054, H04L 700, H04J 306

Patent

active

055027490

ABSTRACT:
A radio receiver apparatus receives a transmission signal having a reference pattern formed of a predetermined bit pattern. The apparatus has a receiving unit, a received data processing unit and first and second phase shift information detection units. The receiving unit demodulates the transmission signal to generate received data. The received data processing unit processes the received data in synchronism with the reference pattern. The first phase shift information detection unit detects first phase shift information of the received data corresponding to the data processing of the received data processing unit. The second phase shift information detection unit shifts the phase of the received data so as to detect second phase shift information of the received data corresponding to the data processing of the data processing unit. The apparatus corrects the phase shift of the received data by comparing output signals from the first and second phase shift detection units.

REFERENCES:
patent: 3786415 (1974-01-01), Phillips et al.
patent: 4748623 (1988-05-01), Fujimoto
patent: 5305347 (1994-04-01), Roschmann et al.
patent: 5347548 (1994-09-01), Messerges et al.
patent: 5420895 (1995-05-01), Kim

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