Digital signal processing apparatus for frequency demultiplexing

Details Digital signal processing apparatus for frequency demultiplexing Digital signal processing apparatus for frequency demultiplexing

1997-09-16

2000-09-12

Kizou, Hassan

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via frequency channels

370210, H04J 102

Patent

active

061187941

ABSTRACT:
Digital signal processing apparatus for frequency demultiplexing a wide band channel which converts the data stream into parallel branches by means of serial-to-parallel conversion, and demultiplexing which consists of low pass and high pass fine filtering stages and a coarse filtering stage split among processors across parallel branches. Wideband signals arc processed without expensive processors because of the slower rate in the parallel channels. This may also be used for the inverse function of multiplexing.

REFERENCES:
patent: 4138730 (1979-02-01), Ali
patent: 4777634 (1988-10-01), Burger et al.
patent: 5247515 (1993-09-01), White
patent: 5870395 (1999-02-01), Baran

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