Patents by Inventor Mohamed El-Rayes

Mohamed El-Rayes 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: 8605570
    Abstract: A method for generating a superframe preamble for a superframe in an orthogonal frequency division multiplexing network is provided. The superframe preamble comprises a plurality of symbols. For a first one of the symbols, a first set of subcarriers of a carrier is allocated to a first broadcast channel, with the first set of subcarriers distributed over substantially the entire carrier. For the first one of the symbols, a second set of subcarriers of the carrier is allocated to a second broadcast channel.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: December 10, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lai-King Tee, Mohamed A. El-Rayes, Baowei Ji
  • Publication number: 20070211661
    Abstract: A method for generating a superframe preamble for a superframe in an orthogonal frequency division multiplexing network is provided. The superframe preamble comprises a plurality of symbols. For a first one of the symbols, a first set of subcarriers of a carrier is allocated to a first broadcast channel, with the first set of subcarriers distributed over substantially the entire carrier. For the first one of the symbols, a second set of subcarriers of the carrier is allocated to a second broadcast channel.
    Type: Application
    Filed: February 22, 2007
    Publication date: September 13, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Lai-King Tee, Mohamed El-Rayes, Baowei Ji
  • Publication number: 20070012379
    Abstract: A method for loading a pourable material in a container, the material being supplied by gravity forces through a channel which is arranged in the opening of the container. In order to obtain a desired material distribution in the container, the material, a little bit before the passage thereof through the opening, i.e. inside the channel, is exposed to forces modifying the displacement direction of the material given by the channel and the gravity forces.
    Type: Application
    Filed: January 3, 2006
    Publication date: January 18, 2007
    Inventors: Mohamed El-Rayes, Reinhard Pum, Reinhard Redl, Johann Wurm, Rainer-Walter Kastner
  • Patent number: 7146171
    Abstract: A method is described for transmitting data from a mobile station to a wireless network, as is a wireless communications system that operates in accordance with the method. The method includes (a) requesting permission to transmit data using an access channel; (b) in response to receiving a permission message from the wireless network, transmitting the data from the mobile station to the wireless network over a control channel using a modulation and channel coding scheme determined in the wireless network, and communicated to mobile station in the permission message; and (c) in response to receiving the transmitted data at the wireless network, soft combining the received data with previously received data, if any, until a desired decoding result is achieved, and transmitting an acknowledgment of data reception to the mobile station. The steps of transmitting and receiving preferably use a code division, multiple access technique.
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: December 5, 2006
    Assignee: Nokia Corporation
    Inventors: Clive K. Tang, Mohamed El-Rayes, Roy Thomas Derryberry, Giridhar Dhati Mandyam
  • Publication number: 20040242231
    Abstract: A method is described for transmitting data from a mobile station to a wireless network, as is a wireless communications system that operates in accordance with the method. The method includes (a) requesting permission to transmit data using an access channel; (b) in response to receiving a permission message from the wireless network, transmitting the data from the mobile station to the wireless network over a control channel using a modulation and channel coding scheme determined in the wireless network, and communicated to mobile station in the permission message; and (c) in response to receiving the transmitted data at the wireless network, soft combining the received data with previously received data, if any, until a desired decoding result is achieved, and transmitting an acknowledgment of data reception to the mobile station. The steps of transmitting and receiving preferably use a code division, multiple access technique.
    Type: Application
    Filed: May 30, 2003
    Publication date: December 2, 2004
    Applicant: NOKIA CORPORATION
    Inventors: Clive K. Tang, Mohamed El-Rayes, Roy Thomas Derryberry, Giridhar Dhati Mandyam
  • Patent number: 4416281
    Abstract: A cushion for cooling an organ of the body during surgery. The cushion is flexible and of open form to allow cooling fluid to flow into it and out of it. A flexible tube extends from the cushion for draining off cooling fluid from the cushion and regions adjacent thereto.
    Type: Grant
    Filed: May 26, 1981
    Date of Patent: November 22, 1983
    Assignee: Guardline Disposables Limited
    Inventors: Albert A. Cooper, Mohamed El-Rayes, Alan K. Yates