Patents by Inventor Magnus Kretz

Magnus Kretz 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: 7907609
    Abstract: Examples disclosed herein relate to methods and systems for enhancing performance of robust header compression (RoHC) compressor when encountering silence suppression. In one example, an RTP timestamp increment is calculated for successive packets, until a predetermined number of packets have a constant timestamp increment value. The constant RTP timestamp increment value is assigned as a timestamp stride (TS_STRIDE) value for compression, the value of each RTP timestamp (TS) is scaled by timestamp stride (TS_STRIDE) and the header is compressed using the assigned value.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: March 15, 2011
    Assignee: QUALCOMM, Incorporated
    Inventors: Rohit Kapoor, Magnus Kretz
  • Publication number: 20100278196
    Abstract: Examples disclosed herein relate to methods and systems for enhancing performance of robust header compression (RoHC) compressor when encountering silence suppression. In one example, an RTP timestamp increment is calculated for successive packets, until a predetermined number of packets have a constant timestamp increment value. The constant RTP timestamp increment value is assigned as a timestamp stride (TS_STRIDE) value for compression, the value of each RTP timestamp (TS) is scaled by timestamp stride (TS_STRIDE) and the header is compressed using the assigned value.
    Type: Application
    Filed: October 10, 2006
    Publication date: November 4, 2010
    Inventors: Rohit Kapoor, Magnus Kretz
  • Publication number: 20070098016
    Abstract: The invention relates to interpreting the change in the increment of the RTP TS field as occurring either due to silence suppression for a voice flow or a change in sampling/frame rate of a video flow. By interpreting this change correctly, the value of the TS_STRIDE field in robust header compression may be correctly calculated leading to efficient header compression performance. In one aspect, there is disclosed a method of improving ROHC between an Access Network (AN) having a compressor and an Access Terminal (AT) having a decompressor, comprising providing flow information to the compressor relating to a change in the increment of an RTP TS field of a header; determining the change in the increment of an RTP TS field as occurring either due to silence suppression or due to a change in a sampling/frame rate; and taking appropriate action for TS_STRIDE.
    Type: Application
    Filed: April 27, 2006
    Publication date: May 3, 2007
    Inventors: Rohit Kapoor, Magnus Kretz