Patents by Inventor Munawar Hussein Kermalli

Munawar Hussein Kermalli 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).

  • Frequency based modulator compensation
    Patent number: 7471736
    Abstract: In a transmitter, an upconverter converts a lower frequency signal to a higher frequency signal. Prior to the upconversion, a compensator compensates for at least gain/phase distortion that will be introduced into the lower frequency signal by at least the upconverter.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: December 30, 2008
    Assignee: Alcatel-Lucent USA Inc.
    Inventors: Lei Ding, Walter Honcharenko, Munawar Hussein Kermalli, Zhengxiang Ma, Dennis Raymond Morgan
  • Amplifier memory effect compensator
    Patent number: 7196578
    Abstract: An input signal is modified to compensate for amplifier memory effects by combining at least two versions of the input signal, each version of the input signal being offset in time with respect to one another. More specifically, an RF input signal is split into at least two split signals, a different delay is applied to each split signal, and the delayed, split signals are combined to obtain a modified input signal.
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: March 27, 2007
    Assignee: Lucent Technologies Inc.
    Inventor: Munawar Hussein Kermalli
  • Band pass filter and method of filtering for a base station in a wireless communication system
    Patent number: 7162271
    Abstract: The band pass filter includes at least first and second band pass filters. A selector receives at least one signal, and supplies the signal to one of the first and second band pass filters. A controller controls the selector based on a frequency of the signal.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: January 9, 2007
    Assignee: Lucent Technologies Inc.
    Inventor: Munawar Hussein Kermalli
  • Amplifier memory effect compensator
    Publication number: 20040239429
    Abstract: An input signal is modified to compensate for amplifier memory effects by combining at least two versions of the input signal, each version of the input signal being offset in time with respect to one another. More specifically, an RF input signal is split into at least two split signals, a different delay is applied to each split signal, and the delayed, split signals are combined to obtain a modified input signal.
    Type: Application
    Filed: May 30, 2003
    Publication date: December 2, 2004
    Inventor: Munawar Hussein Kermalli
  • System and method for performing predistortion at intermediate frequency
    Publication number: 20040057533
    Abstract: A predistortion system predistorts a signal to be amplified at an intermediate frequency (IF). In certain embodiments, the IF predistortion system frequency downconverts the radio frequency (RF) signal to be amplified to an IF frequency. The IF signal is predistorted and frequency upconverted back to RF prior to amplification. For example, the IF signal can be analog to digitally converted, and the digital IF signal is predistorted. The predistorted digital IF signal is converted back to an analog IF signal, and the analog IF signal is then upconverted to RF prior to amplification.
    Type: Application
    Filed: September 23, 2002
    Publication date: March 25, 2004
    Inventor: Munawar Hussein Kermalli
  • Band pass filter and method of filtering for a base station in a wireless communication system
    Publication number: 20040002361
    Abstract: The band pass filter includes at least first and second band pass filters. A selector receives at least one signal, and supplies the signal to one of the first and second band pass filters. A controller controls the selector based on a frequency of the signal.
    Type: Application
    Filed: June 28, 2002
    Publication date: January 1, 2004
    Inventor: Munawar Hussein Kermalli