Receiver with automatic frequency control

Details Receiver with automatic frequency control Receiver with automatic frequency control

1995-06-06

1997-11-04

Chin, Wellington

Pulse or digital communications

Receivers

Angle modulation

375329, 375347, 329307, 329346, H04L 2722, H04B 710

Patent

active

056848366

ABSTRACT:
In a receiver, a frequency offset estimating circuit inputs a received signal and a decision value from a decision circuit, and estimates a frequency offset. A CIR estimating circuit inputs the estimated frequency offset, the received signal and the decision value, and estimates CIR. A complex conjugate circuit calculates a complex conjugate of the CIR. A multiplication circuit multiplies the complex conjugate and the received signal. Receiving the multiplied value, the decision circuit outputs a decision value.

REFERENCES:
patent: 4941155 (1990-07-01), Chuang et al.
patent: 5151925 (1992-09-01), Gelin et al.
patent: 5233632 (1993-08-01), Baum et al.
patent: 5311545 (1994-05-01), Critchlow
patent: 5400362 (1995-03-01), Chennakeshu et al.

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