Symbol rotator

Details Symbol rotator Symbol rotator

1996-09-13

1998-09-01

Chin, Stephen

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

371 21, 382296, H04L 512, H04L 2302

Patent

active

058021078

ABSTRACT:
A first station encodes data as data symbols, rotates the data symbols so that data symbols corresponding to one another across sync portions of data segments of a frame are arranged to be processed together, and inserts the rotated data symbols into data portions of the data segments of the frame such that the frame has a plurality of data segments, wherein each data segment has a segment sync portion and a data portion. A second station processes the data symbols so that corresponding data symbols in a first set of data symbols are processed with a twelve data symbol delay and corresponding data symbols in a second set of data symbols are processed with a twenty-four data symbol delay depending upon the position of the data symbols in relation to the sync portions.

REFERENCES:
patent: 4312070 (1982-01-01), Cuombes et al.
patent: 5327158 (1994-07-01), Takahashi et al.
patent: 5410647 (1995-04-01), Peaslee et al.
patent: 5442646 (1995-08-01), Chadwick et al.
patent: 5509031 (1996-04-01), Johnson et al.
patent: 5535228 (1996-07-01), Dung et al.
patent: 5541955 (1996-07-01), Jacobsmeyer
patent: 5559561 (1996-09-01), Wei
patent: 5684835 (1997-11-01), Kroeger et al.
patent: 5708665 (1998-01-01), Luthi et al.

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