Patents by Inventor KHURRAM KARIM QURESHI

KHURRAM KARIM QURESHI 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).

  • Publication number: 20250044242
    Abstract: A system for monitoring glucose concentration that includes a sample holder configured to contain a sample and a radio frequency transmitter configured to emit microwave radiation through the sample. The radio frequency transmitter comprising a radio frequency generator and a first antenna. The radio frequency receiver is configured to receive microwave radiation transmitted from the radio frequency transmitter and passed through the sample, and convert the microwave radiation passed through the sample to an analog signal. The radio frequency receiver comprising a second antenna. The system also includes an analog readout circuit configured to receive the analog signal and process the analog signal into a modified analog signal, and a digital signal processing circuit configured to receive the modified analog signal, convert the modified analog signal into a digital signal, and determine the glucose concentration of the sample from the digital signal.
    Type: Application
    Filed: August 3, 2023
    Publication date: February 6, 2025
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Yaqub Alhussain MAHNASHI, Khurram Karim QURESHI, Abdullah Ali AL-SHEHRI, Hussein Mahmoud ATTIA
  • Patent number: 12191917
    Abstract: A body area network (BAN) architecture including a plurality of ultra-wideband (UWB) BAN node devices, a control node device, and a remote node device is described. The plurality of UWB BAN node devices measures real-time physiological data of a patient and transmits the physiological data to the control node device using UWB signals. The control node device encodes the UWB signals using an spectral amplitude coding-optical code division multiple access (SAC-OCDMA) encoder, modulates the encoded UWB signals using an on-off keying (OOK) scheme, combines the modulated UWB signals into an optical signal using an optical coupler, and transmits the combined optical signal through a free space optical (FSO) link to the remote node device. The remote node device decodes the combined optical signal using an SAC-OCDMA decoder, converts the decoded optical signal into an electrical signal, and analyzes the physiological data based on the electrical signal.
    Type: Grant
    Filed: August 13, 2024
    Date of Patent: January 7, 2025
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Khurram Karim Qureshi, Jawad Ahmad, Salman Ghafoor
  • Patent number: 12191919
    Abstract: A body area network (BAN) architecture including a plurality of ultra-wideband (UWB) BAN node devices, a control node device, and a remote node device is described. The plurality of UWB BAN node devices measures real-time physiological data of a patient and transmits the physiological data to the control node device using UWB signals. The control node device encodes the UWB signals using an spectral amplitude coding-optical code division multiple access (SAC-OCDMA) encoder, modulates the encoded UWB signals using an on-off keying (OOK) scheme, combines the modulated UWB signals into an optical signal using an optical coupler, and transmits the combined optical signal through a free space optical (FSO) link to the remote node device. The remote node device decodes the combined optical signal using an SAC-OCDMA decoder, converts the decoded optical signal into an electrical signal, and analyzes the physiological data based on the electrical signal.
    Type: Grant
    Filed: August 13, 2024
    Date of Patent: January 7, 2025
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Khurram Karim Qureshi, Jawad Ahmad, Salman Ghafoor
  • Patent number: 12191918
    Abstract: A body area network (BAN) architecture including a plurality of ultra-wideband (UWB) BAN node devices, a control node device, and a remote node device is described. The plurality of UWB BAN node devices measures real-time physiological data of a patient and transmits the physiological data to the control node device using UWB signals. The control node device encodes the UWB signals using an spectral amplitude coding-optical code division multiple access (SAC-OCDMA) encoder, modulates the encoded UWB signals using an on-off keying (OOK) scheme, combines the modulated UWB signals into an optical signal using an optical coupler, and transmits the combined optical signal through a free space optical (FSO) link to the remote node device. The remote node device decodes the combined optical signal using an SAC-OCDMA decoder, converts the decoded optical signal into an electrical signal, and analyzes the physiological data based on the electrical signal.
    Type: Grant
    Filed: August 13, 2024
    Date of Patent: January 7, 2025
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Khurram Karim Qureshi, Jawad Ahmad, Salman Ghafoor
  • Publication number: 20240405870
    Abstract: A bi-directional optical communication system employing a minimum number of single-mode high repetition rate pulsed optical signal sources to achieve cost efficiency while maintaining high data rates. The bi-directional optical communication system includes a first optical data processing unit and a second optical data processing unit. The first optical data processing unit modulates a pulsed optical source using a differential quadrature phase shift keying (DQPSK) modulation and two-level pulse amplitude (PAM-2) modulation and then demodulates it to achieve a pulse amplitude modulated signal. The second optical data processing unit reuses the same optical carrier by passing it through a regenerative wavelength converter to generate three pulsed optical carriers at different wavelengths and employs an On-off keying (OOK) modulation scheme. These carriers are employed to send uplink data at a same rate of as the downlink.
    Type: Application
    Filed: June 1, 2023
    Publication date: December 5, 2024
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Khurram Karim QURESHI, Muhammad Jawad MIRZA, Salman Abdul GHAFOOR
  • Publication number: 20240405891
    Abstract: A body area network (BAN) architecture including a plurality of ultra-wideband (UWB) BAN node devices, a control node device, and a remote node device is described. The plurality of UWB BAN node devices measures real-time physiological data of a patient and transmits the physiological data to the control node device using UWB signals. The control node device encodes the UWB signals using an spectral amplitude coding-optical code division multiple access (SAC-OCDMA) encoder, modulates the encoded UWB signals using an on-off keying (OOK) scheme, combines the modulated UWB signals into an optical signal using an optical coupler, and transmits the combined optical signal through a free space optical (FSO) link to the remote node device. The remote node device decodes the combined optical signal using an SAC-OCDMA decoder, converts the decoded optical signal into an electrical signal, and analyzes the physiological data based on the electrical signal.
    Type: Application
    Filed: August 13, 2024
    Publication date: December 5, 2024
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Khurram Karim QURESHI, Jawad AHMAD, Salman GHAFOOR
  • Publication number: 20240405892
    Abstract: A body area network (BAN) architecture including a plurality of ultra-wideband (UWB) BAN node devices, a control node device, and a remote node device is described. The plurality of UWB BAN node devices measures real-time physiological data of a patient and transmits the physiological data to the control node device using UWB signals. The control node device encodes the UWB signals using an spectral amplitude coding-optical code division multiple access (SAC-OCDMA) encoder, modulates the encoded UWB signals using an on-off keying (OOK) scheme, combines the modulated UWB signals into an optical signal using an optical coupler, and transmits the combined optical signal through a free space optical (FSO) link to the remote node device. The remote node device decodes the combined optical signal using an SAC-OCDMA decoder, converts the decoded optical signal into an electrical signal, and analyzes the physiological data based on the electrical signal.
    Type: Application
    Filed: August 13, 2024
    Publication date: December 5, 2024
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Khurram Karim QURESHI, Jawad AHMAD, Salman GHAFOOR
  • Publication number: 20240405893
    Abstract: A body area network (BAN) architecture including a plurality of ultra-wideband (UWB) BAN node devices, a control node device, and a remote node device is described. The plurality of UWB BAN node devices measures real-time physiological data of a patient and transmits the physiological data to the control node device using UWB signals. The control node device encodes the UWB signals using an spectral amplitude coding-optical code division multiple access (SAC-OCDMA) encoder, modulates the encoded UWB signals using an on-off keying (OOK) scheme, combines the modulated UWB signals into an optical signal using an optical coupler, and transmits the combined optical signal through a free space optical (FSO) link to the remote node device. The remote node device decodes the combined optical signal using an SAC-OCDMA decoder, converts the decoded optical signal into an electrical signal, and analyzes the physiological data based on the electrical signal.
    Type: Application
    Filed: August 13, 2024
    Publication date: December 5, 2024
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Khurram Karim QURESHI, Jawad AHMAD, Salman GHAFOOR
  • Patent number: 12119886
    Abstract: A body area network (BAN) architecture including a plurality of ultra-wideband (UWB) BAN node devices, a control node device, and a remote node device is described. The plurality of UWB BAN node devices measures real-time physiological data of a patient and transmits the physiological data to the control node device using UWB signals. The control node device encodes the UWB signals using an spectral amplitude coding-optical code division multiple access (SAC-OCDMA) encoder, modulates the encoded UWB signals using an on-off keying (OOK) scheme, combines the modulated UWB signals into an optical signal using an optical coupler, and transmits the combined optical signal through a free space optical (FSO) link to the remote node device. The remote node device decodes the combined optical signal using an SAC-OCDMA decoder, converts the decoded optical signal into an electrical signal, and analyzes the physiological data based on the electrical signal.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: October 15, 2024
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Khurram Karim Qureshi, Jawad Ahmad, Salman Ghafoor
  • Publication number: 20240332886
    Abstract: A multiwavelength erbium-doped fiber laser (EDFL) including a single ring cavity, a wave division multiplexer (WDM) coupler, and a pump laser. The pump laser injects a pump laser beam into the single ring cavity. The multiwavelength EDFL includes an erbium doped fiber, an optical isolator (ISO), and a fiber coupler. The erbium doped fiber amplifies the pump laser beam and generates an amplified laser beam. The fiber coupler divides the amplified laser beam into an output laser beam and a laser beam retained in the single ring cavity. The multiwavelength EDFL includes a tunable optical filter (TOF) and an out of cavity comb filter (CF) having a dual-drive Mach-Zehnder modulator (DD-MZM). The TOF receives the laser beam retained in the single ring cavity and filter the retained laser beam to a desired wavelength. The DD-MZM receives the output laser beam and divides the output laser beam into multiple wavelengths.
    Type: Application
    Filed: March 30, 2023
    Publication date: October 3, 2024
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Khurram Karim QURESHI, Muhammad Jawad MIRZA, Salman Abdul GHAFOOR, Ahmad ATIEH
  • Publication number: 20240307194
    Abstract: A method of generating a touch signal corresponding to a state of a subject, the method including, receiving, from a foot of the subject, multiple wavelength signals corresponding to an applied plantar pressure based on the state of the subject. The method further includes receiving, using channels of a BCI mounted on the subject's head, a plurality of EEG signals (brain signals) that corresponds with wavelength signals. The method further includes transmitting EEG signals to train a classifier to identify a correlation between EEG signals and wavelength signals. The method further includes selecting a subsection of channels with high correlation with wavelength signals. The method further includes forming a secondary dataset by combining the subsection of channels with wavelength signals. The secondary dataset is passed to train a ML model to generate the touch signal corresponding to the subject's state that is relayed to a lower limb prosthesis.
    Type: Application
    Filed: March 15, 2023
    Publication date: September 19, 2024
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Asad Muhammad BUTT, Khurram Karim QURESHI, Hassan ALSAFFAR, Muhannad ALSHAREEF, Rayan AWARI
  • Publication number: 20240302273
    Abstract: An optical sensor that includes a photonic crystal fiber (PCF) and an optical coupler. The PCF includes a hollow core with a first diameter (Dc), an inner cladding section, and an outer layer surrounding the inner cladding section. The inner cladding section includes a cladding material and a plurality of spaced apart circular-shaped channels disposed in the cladding material surrounding the hollow core. The cladding material includes at least one of glass, ceramic, and glass-ceramic. Each spaced apart circular-shaped channel has substantially the same size and an average diameter (d). A first end of the PCF is in optical communication with a light source and a second end of the PCF is in optical communication with the optical coupler.
    Type: Application
    Filed: March 9, 2023
    Publication date: September 12, 2024
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Khurram Karim QURESHI, Md. Ahasan HABIB
  • Patent number: 12057888
    Abstract: A laser light source includes an inner ring and an outer ring. The inner ring includes a semiconductor optical amplifier (SOA), a pair of optical circulators, a first optical filter, and a first optical waveguide connecting those in series. The outer ring includes the SOA, a pair of optical circulators, a second optical filter, an output port, and a second optical waveguide connecting those in series except for a portion shared. The inner ring operates as a gain-clamped SOA with a feedback control light defined by the first optical filter. The outer ring generates a laser output in a gain region of the clamped SOA, and with multiple peak wavelengths defined by the second optical filter, in a range from L Band to U band, applicable to WDM network systems. A WDM network system and a method of controlling the laser light source are also disclosed.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: August 6, 2024
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventor: Khurram Karim Qureshi
  • Publication number: 20240106183
    Abstract: An optical signal amplifier using a praseodymium doped fiber is described. The optical signal amplifier includes a signal laser, a first optical isolator, a second optical isolator a pump laser, a wave division multiplexer, a silica based glass optical fiber, a second optical isolator, an optical power meter, and an optical spectrum analyzer (OSA). The signal laser generates a signal laser beam. The pump laser generates a pumped laser beam. The wave division multiplexer combines the signal laser beam and the pumped laser beam and generates a combined laser beam. The silica based glass optical fiber has a preferred concentration of praseodymium ions of about 50×1024 ions/m3 and a length of about 5.7 m. The silica based glass optical fiber receives the combined laser beam, amplifies photons in the combined laser beam, and generates an amplified laser beam.
    Type: Application
    Filed: September 27, 2022
    Publication date: March 28, 2024
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Khurram Karim QURESHI, Jawad AHMAD, Salman GHAFOOR
  • Publication number: 20240056200
    Abstract: A body area network (BAN) architecture including a plurality of ultra-wideband (UWB) BAN node devices, a control node device, and a remote node device is described. The plurality of UWB BAN node devices measures real-time physiological data of a patient and transmits the physiological data to the control node device using UWB signals. The control node device encodes the UWB signals using an spectral amplitude coding-optical code division multiple access (SAC-OCDMA) encoder, modulates the encoded UWB signals using an on-off keying (OOK) scheme, combines the modulated UWB signals into an optical signal using an optical coupler, and transmits the combined optical signal through a free space optical (FSO) link to the remote node device. The remote node device decodes the combined optical signal using an SAC-OCDMA decoder, converts the decoded optical signal into an electrical signal, and analyzes the physiological data based on the electrical signal.
    Type: Application
    Filed: August 11, 2022
    Publication date: February 15, 2024
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Khurram Karim QURESHI, Jawad AHMAD, Salman GHAFOOR
  • Patent number: 11874416
    Abstract: A method for distributing geophones around a seismic data source includes distributing a first geophones each including a first piezoelectric system in a first region in which the seismic data source is located then distributing second geophones each including a solar cell in a second region surrounding the first region. The second geophones further include a housing, a spike provided on a bottom surface of the housing, a sensor configured to sense seismic data; a processor configured to process the seismic data, a transceiver configured to transmit the processed seismic data and receive radio frequency (RF) signals wirelessly; and a power device. The power device is coupled to the sensor, the processor and the transceiver. The power device is configured to harvest energy from an environment where the geophone is located.
    Type: Grant
    Filed: November 11, 2022
    Date of Patent: January 16, 2024
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Naveed Iqbal, Mudassir Masood, Ali Arshad Nasir, Khurram Karim Qureshi
  • Publication number: 20230367026
    Abstract: A method for distributing geophones around a seismic data source includes distributing a first geophones each including a first piezoelectric system in a first region in which the seismic data source is located then distributing second geophones each including a solar cell in a second region surrounding the first region. The second geophones further include a housing, a spike provided on a bottom surface of the housing, a sensor configured to sense seismic data; a processor configured to process the seismic data, a transceiver configured to transmit the processed seismic data and receive radio frequency (RF) signals wirelessly; and a power device. The power device is coupled to the sensor, the processor and the transceiver. The power device is configured to harvest energy from an environment where the geophone is located.
    Type: Application
    Filed: November 11, 2022
    Publication date: November 16, 2023
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Naveed IQBAL, Mudassir MASOOD, Ali Arshad NASIR, Khurram Karim QURESHI
  • Publication number: 20230269001
    Abstract: A laser light source includes an inner ring and an outer ring. The inner ring includes a semiconductor optical amplifier (SOA), a pair of optical circulators, a first optical filter, and a first optical waveguide connecting those in series. The outer ring includes the SOA, a pair of optical circulators, a second optical filter, an output port, and a second optical waveguide connecting those in series except for a portion shared. The inner ring operates as a gain-clamped SOA with a feedback control light defined by the first optical filter. The outer ring generates a laser output in a gain region of the clamped SOA, and with multiple peak wavelengths defined by the second optical filter, in a range from L Band to U band, applicable to WDM network systems. A WDM network system and a method of controlling the laser light source are also disclosed.
    Type: Application
    Filed: December 12, 2022
    Publication date: August 24, 2023
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventor: Khurram Karim QURESHI
  • Patent number: 11677207
    Abstract: A fiber optic ring laser, and non-transitory computer readable medium for using a fiber optic ring laser are disclosed. The disclosed fiber optic ring laser includes a semiconductor booster optical amplifier (BOA), as a gain medium; a Fiber Fabry Perot Tunable Filter (FFP-TF), as a wavelength selection element; an optical isolator (ISO) to insure unidirectional operation of the fiber optic ring laser; and a polarization controller (PC) for attaining an optimized polarization state in order to achieve a stable-generated output in terms of output power and wavelength, wherein the BOA, the FFP-TF, the ISO and the PC are coupled to form a ring configuration that implements a continuously tunable booster amplifier-based fiber ring laser.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: June 13, 2023
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventor: Khurram Karim Qureshi
  • Publication number: 20230105403
    Abstract: A fiber optic ring laser, and non-transitory computer readable medium for using a fiber optic ring laser are disclosed. The disclosed fiber optic ring laser includes a semiconductor booster optical amplifier (BOA), as a gain medium; a Fiber Fabry Perot Tunable Filter (FFP-TF), as a wavelength selection element; an optical isolator (ISO) to insure unidirectional operation of the fiber optic ring laser; and a polarization controller (PC) for attaining an optimized polarization state in order to achieve a stable-generated output in terms of output power and wavelength, wherein the BOA, the FFP-TF, the ISO and the PC are coupled to form a ring configuration that implements a continuously tunable booster amplifier-based fiber ring laser.
    Type: Application
    Filed: April 8, 2022
    Publication date: April 6, 2023
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventor: Khurram Karim QURESHI