Waiting circuit

Details Waiting circuit Waiting circuit

1998-04-16

2000-07-04

Bocure, Tesfaldet

Pulse or digital communications

Receivers

375340, 375343, 375365, 455343, H04L 2706

Patent

active

060849223

ABSTRACT:
A waiting circuit which is utilized in a mobile communication system. The waiting circuit detects a predetermined signal from a base station. The waiting circuit starts other circuits in the mobile communication system which are in a sleep mode when the predetermined signal is received. The predetermined signal is generated in the base station. The predetermined signal has a speed equal to a predetermined symbol rate and is modulated to be an intermediate frequency signal. The intermediate frequency signal is sampled in response to a sampling clock that has a speed equal to an integer times the symbol rate. The sampled intermediate frequency signal is input to a match filter which multiplies the sample signal by a predetermined sequence of coefficients.

REFERENCES:
patent: 5799010 (1998-08-01), Lomp et al.

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