Multichannel time shared demodulator and method

Details Multichannel time shared demodulator and method Multichannel time shared demodulator and method

1998-02-23

2000-05-09

Le, Amanda T.

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

375340, 375347, 375349, H04L 104

Patent

active

060614064

ABSTRACT:
A multichannel time shared demodulator (10) is implemented in an efficient ASIC architecture that provides routing-of user voice channels and access channels to a collection of time-shared processors for rapid signal detection, tracking and demodulation. The channels are routed in a random order and then processed by a time-shared symbol synchronization processor (18) for voice channels and a time-shared detection processor for access channels. The signals are over-sampled via a time-shared interpolation filter. The interpolation process yields a ten to one over sampling ration of all signals. A synchronized clock is used to choose the phases of the interpolation filter outputs.

REFERENCES:
patent: 5367539 (1994-11-01), Copley
patent: 5537435 (1996-07-01), Carney et al.
patent: 5574750 (1996-11-01), Peponides et al.

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