Patents by Inventor Edward O. Lupin

Edward O. Lupin 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).

  • Patent number: 6640236
    Abstract: The invention presented is a novel method and apparatus for generating PN sequences with an arbitrary number of bits, where the number of bits is provided in parallel with each clock pulse. This allows the sequences to be generated at high speed when needed, and allows parallel processing in the acquisition and demodulation processes. In the invention, the initial values of states are loaded into registers of a parallel PN generator, which immediately generates the next n bits of the PN sequence, where n is an arbitrary number dependent on performance required. Then, a first sub-part of the PN generator of the present invention receives the present state of the PN generator and outputs the state of the PN generator n bits in the future. The output of this first sub-part is then provided to a second sub-part of the generator, which generates the next n bits of the PN sequence. In this fashion, the entire PN sequence can be continuously generated.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: October 28, 2003
    Assignee: Qualcomm Incorporated
    Inventors: Edward O. Lupin, Nagabhushana T. Sindhushayana