Patents by Inventor Bechir Hamdaoui

Bechir Hamdaoui 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: 11943003
    Abstract: A scheme for identifying wireless devices by capturing out-of-band information in addition to in-band information from wireless devices for enabling accurate classification of wireless devices. Both the in-band and out-of-band spectrum emissions of the received signal are used to capture hardware signatures and features. These hardware signatures are used to discriminate different wireless devices uniquely and efficiently, even when the devices have the same hardware with significantly reduced distortions. The out-of-band information can be extracted using radios with software defined capabilities. Deep learning-based device classification technique is applied that uses IQ samples collected from the RF signals to efficiently identify and classify high-performing transmitters that have the same, minimally distorted hardware components.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: March 26, 2024
    Assignee: Oregon State University
    Inventors: Abdurrahman Elmaghbub, Bechir Hamdaoui
  • Patent number: 11343278
    Abstract: An apparatus is provided which comprises: logic to privately compare one or more received Order Preserving Encrypted (OPE) signal strength (RSS) values, from a plurality of secondary users (SUs), with a OPE threshold value; a transmitter to send the comparison result to a fusion center (FC); and a receiver to receive the OPE threshold value from the FC.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: May 24, 2022
    Assignee: Oregon State University
    Inventors: Mohamed Grissa, Atilla Yavuz, Bechir Hamdaoui
  • Publication number: 20220116130
    Abstract: A scheme for identifying wireless devices by capturing out-of-band information in addition to in-band information from wireless devices for enabling accurate classification of wireless devices. Both the in-band and out-of-band spectrum emissions of the received signal are used to capture hardware signatures and features. These hardware signatures are used to discriminate different wireless devices uniquely and efficiently, even when the devices have the same hardware with significantly reduced distortions. The out-of-band information can be extracted using radios with software defined capabilities. Deep learning-based device classification technique is applied that uses IQ samples collected from the RF signals to efficiently identify and classify high-performing transmitters that have the same, minimally distorted hardware components.
    Type: Application
    Filed: October 8, 2021
    Publication date: April 14, 2022
    Applicant: Oregon State University
    Inventors: Abdurrahman Elmaghbub, Bechir Hamdaoui
  • Publication number: 20200178301
    Abstract: An apparatus is provided which comprises: logic to privately compare one or more received Order Preserving Encrypted (OPE) signal strength (RSS) values, from a plurality of secondary users (SUs), with a OPE threshold value; a transmitter to send the comparison result to a fusion center (FC); and a receiver to receive the OPE threshold value from the FC.
    Type: Application
    Filed: February 6, 2020
    Publication date: June 4, 2020
    Applicant: Oregon State University
    Inventors: Mohamed GRISSA, Atilla YAVUZ, Bechir HAMDAOUI
  • Patent number: 10575331
    Abstract: An apparatus is provided which comprises: logic to privately compare one or more received Order Preserving Encrypted (OPE) signal strength (RSS) values, from a plurality of secondary users (SUs), with a OPE threshold value; a transmitter to send the comparison result to a fusion center (FC); and a receiver to receive the OPE threshold value from the FC.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: February 25, 2020
    Assignee: Oregon State University
    Inventors: Mohamed Grissa, Attila Yavuz, Bechir Hamdaoui
  • Publication number: 20180249504
    Abstract: An apparatus is provided which comprises: logic to privately compare one or more received Order Preserving Encrypted (OPE) signal strength (RSS) values, from a plurality of secondary users (SUs), with a OPE threshold value; a transmitter to send the comparison result to a fusion center (FC); and a receiver to receive the OPE threshold value from the FC.
    Type: Application
    Filed: February 22, 2018
    Publication date: August 30, 2018
    Applicant: Oregon State University
    Inventors: Mohamed GRISSA, Attila YAVUZ, Bechir HAMDAOUI
  • Patent number: 8238235
    Abstract: An access point station responds to a request from a user station for contention-based access of a new traffic flow to a wireless transmission medium by applying a model of the wireless local area network to estimate delay that data packets will experience when delivered through the wireless network, in order to admit the new flow upon determining that admission will not violate quality of service requirements of neither the new flow nor of already admitted flows. For example, the access point station applies the model by determining an average packet inter-arrival rate, solving a system of nonlinear equations to determine probabilities of successful transmission, applying network stability conditions, computing an upper bound on queuing delay for the packets, computing a service delay budget for the packets, and computing an expected fraction of missed packets from the service delay budget.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: August 7, 2012
    Assignees: Toshiba America Research, Inc., Telcordia Technologies, Inc.
    Inventors: Moncef Elaoud, Bechir Hamdaoui
  • Publication number: 20070070902
    Abstract: An access point station responds to a request from a user station for contention-based access of a new traffic flow to a wireless transmission medium by applying a model of the wireless local area network to estimate delay that data packets will experience when delivered through the wireless network, in order to admit the new flow upon determining that admission will not violate quality of service requirements of neither the new flow nor of already admitted flows. For example, the access point station applies the model by determining an average packet inter-arrival rate, solving a system of nonlinear equations to determine probabilities of successful transmission, applying network stability conditions, computing an upper bound on queuing delay for the packets, computing a service delay budget for the packets, and computing an expected fraction of missed packets from the service delay budget.
    Type: Application
    Filed: March 8, 2006
    Publication date: March 29, 2007
    Applicants: TOSHIBA AMERICA RESEARCH, INC., TELCORDIA TECHNOLOGIES, INC.
    Inventors: Moncef ELAOUD, Bechir HAMDAOUI