Patents by Inventor Martin Lars Bäckström

Martin Lars Bäckström 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).

  • Enhanced VoIP media flow quality by adapting speech encoding based on selected modulation and coding scheme (MCS)
    Patent number: 8289952
    Abstract: A voice-over-IP (VoIP) connection is established over a radio interface with a mobile radio station. A current radio condition for the VoIP connection is determined, and from that, a modulation and coding scheme (MCS) for a portion of the VoIP connection. A VoIP voice encoding mode for a portion of the VoIP connection is selected based on the determined modulation coding scheme. VoIP voice is then encoded into a number of VoIP encoded frames using the selected VoIP voice encoding mode which has an associated bit rate. An optimal number of VoIP encoded frames is included in a VoIP packet for transport over the VoIP connection given the selected voice encoding mode and the selected MCS. Other adjustments may be made to ensure robustness of the VoIP connection and/or to maximize capacity.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: October 16, 2012
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Anders Larsson, Martin Lars Bäckström, David Bladsjö, Patrik Cerwall