Patents Represented by Attorney Philip Wadworth

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  • Re-formatting variable-rate vocoder frames for inter-system transmissions
    Patent number: 7023880
    Abstract: Methods and apparatus are presented for supporting the transmission of variable-rate vocoder frames over non-compatible communication channels. Variable-rate vocoder frames are reformatted as cargo in multi-rate vocoder frames. At the receiver, a determination is made as to whether a received multi-rate vocoder frame carries a variable-rate vocoder frame cargo. If a variable-rate vocoder frame is cargo, then a determination of the frame type is made. Various embodiments for conveying cargo information are presented.
    Type: Grant
    Filed: October 28, 2002
    Date of Patent: April 4, 2006
    Assignee: Qualcomm Incorporated
    Inventors: Khaled Helmi El-Maleh, Ananthapadmanabhan Arasanipalai Kandhadai