Patents by Inventor Julio Arauz

Julio Arauz 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: 9306711
    Abstract: A method of assembling a frame in an Orthogonal Frequency Division Multiple Access (OFDMA)-based communication system, wherein data packets to be transmitted from a broadcast station to a receiver are given a rectangular shape in terms of the two dimensions—time and frequency—of the OFDMA frame, and wherein the data packets are successively fitted into the OFDMA frame by way of a frame assembly scheduler, is characterized in that the filling process of the OFDMA frame is based on an ordered list of data structures that represent the current empty space within the OFDMA frame. Furthermore, a corresponding communication system is disclosed.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: April 5, 2016
    Assignee: NEC EUROPE LTD.
    Inventors: Anatolij Zubow, Xavier Perez Costa, Daniel Camps Mur, Julio Arauz, Paolo Favaro
  • Patent number: 8509165
    Abstract: A method for filling a WiMAX downlink frame by the base station of a WiMAX network, wherein the downlink MAC Protocol Data Units (MPDUs) are fitted into the WiMAX downlink frame by means of a DL-MAP scheduler, which allows the concatenation of downlink MPDUs from different connections in single bursts, the bursts having a rectangular shape in terms of the two dimensions—OFDMA (Orthogonal Frequency Division Multiple Access) symbols and subchannels—of a WiMAX downlink frame, is characterized in that the DL-MAP scheduler is configured in a way that it considers the concatenation of downlink MPDUs from different connections in single bursts based on the available and/or the remaining free space in the WiMAX downlink frame, such that it simplifies the DL-MAP scheduler task of filling the WiMAX downlink frame minimizing the amount of wasted radio resources.
    Type: Grant
    Filed: August 15, 2007
    Date of Patent: August 13, 2013
    Assignee: NEC Europe Ltd.
    Inventors: Xavier Perez Costa, Daniel Camps Mur, Julio Arauz
  • Publication number: 20110058525
    Abstract: A method for filling a WiMAX downlink frame by the base station of a WiMAX network, wherein the downlink MAC Protocol Data Units (MPDUs) are fitted into the WiMAX downlink frame by means of a DL-MAP scheduler, which allows the concatenation of downlink MPDUs from different connections in single bursts, the bursts having a rectangular shape in terms of the two dimensions—OFDMA (Orthogonal Frequency Division Multiple Access) symbols and subchannels—of a WiMAX downlink frame, is characterized in that the DL-MAP scheduler is configured in a way that it considers the concatenation of downlink MPDUs from different connections in single bursts based on the available and/or the remaining free space in the WiMAX downlink frame, such that it simplifies the DL-MAP scheduler task of filling the WiMAX downlink frame minimizing the amount of wasted radio resources.
    Type: Application
    Filed: August 15, 2007
    Publication date: March 10, 2011
    Applicant: NEC EUROPE LTD.
    Inventors: Xavier Perez Costa, Daniel Camps Mur, Julio Arauz
  • Publication number: 20110026546
    Abstract: A method of assembling a frame in an Orthogonal Frequency Division Multiple Access (OFDMA)-based communication system, wherein data packets to be transmitted from a broadcast station to a receiver are given a rectangular shape in terms of the two dimensions—time and frequency—of the OFDMA frame, and wherein the data packets are successively fitted into the OFDMA frame by way of a frame assembly scheduler, is characterized in that the filling process of the OFDMA frame is based on an ordered list of data structures that represent the current empty space within the OFDMA frame. Furthermore, a corresponding communication system is disclosed.
    Type: Application
    Filed: November 28, 2007
    Publication date: February 3, 2011
    Applicant: NEC EUROPE LTD.
    Inventors: Anatolij Zubow, Xavier Perez Costa, Daniel Camps Mur, Julio Arauz, Paolo Favaro