Patents Represented by Attorney Georgann S. Gruenbach

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  • Ground based beam forming utilizing synchronized code division multiplexing
    Patent number: 5903549
    Abstract: A method permitting beam forming at a ground station for providing a coherent and stable uplink signal to a satellite system employing multiple spot beams by combining orthogonal synchronous code division multiplex codes and pseudo-random spreading codes with an information signal to implement a satellite feeder uplink.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: May 11, 1999
    Assignee: Hughes Electronics Corporation
    Inventors: Urban A. von der Embse, Ken Yu Huang, Donald C.D. Chang, William W. Mayfield