Patents by Inventor Jinuga Preetham

Jinuga Preetham 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).

  • Efficient implementation of GSM/GPRS equalizer
    Patent number: 7492839
    Abstract: The disclosed invention provides a method, a system and a computer program product for the maximum likelihood sequence estimation of transmitted MSK symbols. The disclosed invention provides a set of optimizations of the Viterbi algorithm for equalizing MSK symbols. The transmitted MSK symbols are alternately real and imaginary. Therefore, based on whether the transmitted MSK symbol is real or imaginary, the disclosed invention divides the set of Viterbi states into two sets of states. The disclosed invention obtains the surviving path only for the first set of states at stages corresponding to real transmitted symbols. A real hypothesis is used to obtain the surviving paths for the first set of states. The disclosed invention also obtains the surviving path only for the second set of states at stages corresponding to imaginary transmitted symbols. An imaginary hypothesis is used to obtain the surviving paths of the second set of states.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: February 17, 2009
    Assignee: Hellosoft Inc.
    Inventors: Gottimukkala Narendra Varma, Garapati Prabhu Charan, Jinuga Preetham, Gadesina Venkateswarlu
  • Efficient implementation of GSM/GPRS equalizer
    Publication number: 20060023814
    Abstract: The disclosed invention provides a method, a system and a computer program product for the maximum likelihood sequence estimation of transmitted MSK symbols. The disclosed invention provides a set of optimizations of the Viterbi algorithm for equalizing MSK symbols. The transmitted MSK symbols are alternately real and imaginary. Therefore, based on whether the transmitted MSK symbol is real or imaginary, the disclosed invention divides the set of Viterbi states into two sets of states. The disclosed invention obtains the surviving path only for the first set of states at stages corresponding to real transmitted symbols. A real hypothesis is used to obtain the surviving paths for the first set of states. The disclosed invention also obtains the surviving path only for the second set of states at stages corresponding to imaginary transmitted symbols. An imaginary hypothesis is used to obtain the surviving paths of the second set of states.
    Type: Application
    Filed: July 30, 2004
    Publication date: February 2, 2006
    Applicant: HELLOSOFT INC.
    Inventors: Gottimukkaka Varma, Garapati Charan, Jinuga Preetham, Gadesina Venkateswarlu