Multi-channel TDM communication system slot phase correction

Details Multi-channel TDM communication system slot phase correction Multi-channel TDM communication system slot phase correction

1991-11-01

1993-08-31

Chin, Wellington

Multiplex communications

Wide area network

Packet switching

375 14, 375111, H04L 704, H04L 2701

Patent

active

052415449

ABSTRACT:
In a digital communication system in which pulse-shape filtered sync, pilot, and data symbols, arranged in successive time slots, modulate sub-channel carriers via sub-channel mixers to form sub-channel symbol streams for combination into a composite signal for transmission, deterministic portions of each time slot are rendered identical by determining phase difference of sub-channel carriers and rotating the phase of each sub-channel symbol stream by an amount equal to the phase difference, but with opposite sign.

REFERENCES:
patent: 4464767 (1984-08-01), Bremer
patent: 4494239 (1985-01-01), Martin
patent: 4730344 (1988-03-01), Saha

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