Patents by Inventor Farajollah Aalaei

Farajollah Aalaei has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Decision directed gain control
    Patent number: 4905255
    Abstract: In a receiver for receiving and decoding a baseband multilevel signal into a digital data signal, and A/D converter produces in addition to the decoded data bits a "soft" bit, which inherently indicates the error polarity of the baseband signal. The soft bits are binary added to the most significant data bits to produce a sum bit. The sum bits are integrated, and the integral is used in a feedback loop to control the baseband signal amplitiude.
    Type: Grant
    Filed: January 3, 1989
    Date of Patent: February 27, 1990
    Assignees: American Telephone and Telegraph Company, AT&T Bell Laboratories
    Inventor: Farajollah Aalaei