Receiver signal strength indicator

Details Receiver signal strength indicator Receiver signal strength indicator

2007-04-12

2009-12-08

Tran, Pablo N (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Plural receivers

C455S161300, C455S226200, C455S277200

Reexamination Certificate

active

07630695

ABSTRACT:
A system and method are provided for measuring the amplitude of a received signal. The method receives an analog input signal, and compares a peak value of the analog input signal to a threshold level. Threshold transition data is generated, and the threshold level is adjusted in response to the transition data. The above-mentioned processes of comparing, generating, and adjusting are reiterated until the threshold level is about equal to the analog input signal peak value. As a result, a measurement of the analog input signal peak value is supplied. In one aspect, threshold transition data is converted into a digital value. Then, the measurement of the analog input signal peak value uses the digital value to represent the analog input signal peak value. Further, the digital value is converted into an analog voltage as feedback, and the analog voltage is used as the threshold level.

REFERENCES:
patent: 4531235 (1985-07-01), Brusen
patent: 6246867 (2001-06-01), Jakobsson
patent: 7092706 (2006-08-01), Yang
patent: 7130601 (2006-10-01), Khorram
patent: 7395043 (2008-07-01), Atsumi
patent: 7450958 (2008-11-01), Shim et al.

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