Data receiver for rearranging the frame pattern of data received

Details Data receiver for rearranging the frame pattern of data received Data receiver for rearranging the frame pattern of data received

1995-09-18

1998-03-17

Chin, Stephen

Pulse or digital communications

Synchronizers

Frequency or phase control using synchronizing signal

370505, H04L 700

Patent

active

057295786

ABSTRACT:
A data receiving apparatus receives data into which a stuff pulse for frequency synchronization is inserted. The data receiving apparatus is provided with a frame alignment information detecting unit for detecting frame alignment information to establish a frame alignment from the received data, a stuff pulse insertion position detecting circuit for detecting the insertion position of the stuff pulse which has been inserted into the received data, and a frame pattern rearranging circuit for rearranging the frame pattern of the received data so that the insertion position of the stuff pulse is fixed at a predetermined position, on the basis of the detection output of the frame alignment information detecting unit and the detection output of the stuff pulse insertion position detecting circuit.

REFERENCES:
patent: 4053715 (1977-10-01), Drapkin
patent: 4764941 (1988-08-01), Choi
patent: 4885746 (1989-12-01), Fukushima et al.
patent: 5113395 (1992-05-01), Murakami et al.
patent: 5146477 (1992-09-01), Cantoni et al.
patent: 5303242 (1994-04-01), Kaneko
"Line Transmission of Non-telephone Signals--Frame Structure for a 64 to 1920 kbit/s Channel in Audio-visual Teleservices", ITU-T Recommendation H.221(Mar. 1993), International Telecommunication Union, Geneva, 1994, pp. 1-28.
"Line Transmission of Non-telephone Signals--Narrow-Band Visual Telephone Systems and Terminal Equipment", ITU-T Recommendation H.320 (Mar. 1993), International Telecommunication Union, Geneva, 1994, pp. 1-12.

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