Patents by Inventor Maher Arar

Maher Arar 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).

  • Signal detection in multiple-input-multiple-output communication system
    Patent number: 8483324
    Abstract: Methods and apparatuses for detecting signals in a MIMO communication system include receiving symbols coded into pairs using a space-time code. Estimating a channel matrix that identifies the response between multiple transmit and receive antennas in the MIMO communication system. Performing a QR factorization on the channel matrix to obtain Q and R matrices. Determining a receive vector corresponding to a plurality of transmitted symbols received by the multiple receive antennas and transforming the receive vector based upon the Q matrix. Estimating a value of at least two received symbols to determine at least two estimated symbols. Then removing a contribution of the estimated symbols from the receive vector to determine a revised received vector. Estimating a value of at least two additional received symbols to determine at least two additional estimated symbols.
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: July 9, 2013
    Assignee: Wi-Lan, Inc.
    Inventor: Maher Arar
  • SIGNAL DETECTION IN MULTIPLE-INPUT-MULTIPLE-OUTPUT COMMUNICATION SYSTEM
    Publication number: 20100150279
    Abstract: Methods and apparatuses for detecting signals in a MIMO communication system include receiving symbols coded into pairs using a space-time code. Estimating a channel matrix that identifies the response between multiple transmit and receive antennas in the MIMO communication system. Performing a QR factorization on the channel matrix to obtain Q and R matrices. Determining a receive vector corresponding to a plurality of transmitted symbols received by the multiple receive antennas and transforming the receive vector based upon the Q matrix. Estimating a value of at least two received symbols to determine at least two estimated symbols. Then removing a contribution of the estimated symbols from the receive vector to determine a revised received vector. Estimating a value of at least two additional received symbols to determine at least two additional estimated symbols.
    Type: Application
    Filed: April 5, 2007
    Publication date: June 17, 2010
    Applicant: WI-LAN, INC.
    Inventor: Maher Arar