Pulse or digital communications – Synchronizers – Frequency or phase control using synchronizing signal
Patent
1996-12-20
2000-05-02
Chin, Stephen
Pulse or digital communications
Synchronizers
Frequency or phase control using synchronizing signal
375366, 370509, 370512, H04L 700, H04J 306
Patent
active
060581492
ABSTRACT:
There is provided a method of transmitting and receiving a frame including unique pattern information indicative of a starting point of digital information. Step (a) performs a receive synchronizing process in which the frame is pulled in a given phase of a machine cycle equal to m which is equal to (1/N).times.L where L denotes the number of bits forming the frame, N is a positive integer and m is a positive integer larger than 2. Step (b) performs, in a receive process executing phase forming part of a same machine cycle as that of the step (a), a receive process in which receive control channel data contained in a received frame is written into a shared memory in accordance with first m-bit stream program information which defines the receive process and is stored in the shared memory. Step (c) performs, in a transmit process executing phase forming another part of the same machine cycle, a transmit process in accordance with second m-bit stream program information which defines a transmit procedure and is stored in the shared memory while reading transmit control channel data stored in the shared memory, whereby the transmit control channel data is transmitted in a phase of a bit level or a clock level.
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Chin Stephen
Fujitsu Limited
Park Albert
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