Patents by Inventor Jamshid Khun-Jush
Jamshid Khun-Jush 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).
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Patent number: 11950221Abstract: Methods, systems, and devices for wireless communications are described. A wireless device that uses a first radio access technology (RAT) may identify a transmission timing scheme for a shared radio frequency spectrum band, the transmission timing scheme comprising a first set of time intervals allocated for transmissions using a first RAT and a second set of time intervals allocated for transmissions using a second RAT. The wireless device may transmit, during a time interval of the first set of time intervals, a channel reservation signal indicating an end time of the time interval and indicating that the wireless device uses the first RAT. The wireless device may transmit, based at least in part on the transmitted channel reservation signal, over the shared radio frequency spectrum band during at least a portion of the time interval before the end time of the time interval.Type: GrantFiled: July 7, 2022Date of Patent: April 2, 2024Assignee: QUALCOMM IncorporatedInventors: Marco Papaleo, Xiao Feng Wang, Shailesh Patil, Maarten Menzo Wentink, James Lansford, Jamshid Khun-Jush
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Publication number: 20220408452Abstract: Methods, systems, and devices for wireless communications are described. A wireless device that uses a first radio access technology (RAT) may identify a transmission timing scheme for a shared radio frequency spectrum band, the transmission timing scheme comprising a first set of time intervals allocated for transmissions using a first RAT and a second set of time intervals allocated for transmissions using a second RAT. The wireless device may transmit, during a time interval of the first set of time intervals, a channel reservation signal indicating an end time of the time interval and indicating that the wireless device uses the first RAT. The wireless device may transmit, based at least in part on the transmitted channel reservation signal, over the shared radio frequency spectrum band during at least a portion of the time interval before the end time of the time interval.Type: ApplicationFiled: July 7, 2022Publication date: December 22, 2022Inventors: Marco Papaleo, Xiao Feng Wang, Shailesh Patil, Maarten Menzo Wentink, James Lansford, Jamshid Khun-Jush
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Patent number: 11412524Abstract: Methods, systems, and devices for wireless communications are described. A wireless device that uses a first radio access technology (RAT) may identify a transmission timing scheme for a shared radio frequency spectrum band, the transmission timing scheme comprising a first set of time intervals allocated for transmissions using a first RAT and a second set of time intervals allocated for transmissions using a second RAT. The wireless device may transmit, during a time interval of the first set of time intervals, a channel reservation signal indicating an end time of the time interval and indicating that the wireless device uses the first RAT. The wireless device may transmit, based at least in part on the transmitted channel reservation signal, over the shared radio frequency spectrum band during at least a portion of the time interval before the end time of the time interval.Type: GrantFiled: March 17, 2020Date of Patent: August 9, 2022Assignee: Qualcomm IncorporatedInventors: Marco Papaleo, Xiao Feng Wang, Shailesh Patil, Maarten Menzo Wentink, James Lansford, Jamshid Khun-Jush
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Publication number: 20200305173Abstract: Methods, systems, and devices for wireless communications are described. A wireless device that uses a first radio access technology (RAT) may identify a transmission timing scheme for a shared radio frequency spectrum band, the transmission timing scheme comprising a first set of time intervals allocated for transmissions using a first RAT and a second set of time intervals allocated for transmissions using a second RAT. The wireless device may transmit, during a time interval of the first set of time intervals, a channel reservation signal indicating an end time of the time interval and indicating that the wireless device uses the first RAT. The wireless device may transmit, based at least in part on the transmitted channel reservation signal, over the shared radio frequency spectrum band during at least a portion of the time interval before the end time of the time interval.Type: ApplicationFiled: March 17, 2020Publication date: September 24, 2020Inventors: Marco Papaleo, Xiao Feng Wang, Shailesh Patil, Maarten Menzo Wentink, James Lansford, Jamshid Khun-Jush
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Patent number: 7496368Abstract: The invention relates to a method and a device for controlling frequency selection within a wireless communication system in response to radar-like interference signals. The method comprises continuously or quasi-continuously monitoring and assessing a plurality of frequencies with respect to a radar-like interference signal and allocating a quality parameter to each assessed frequency, the quality parameter indicating the probability that the frequency is occupied. The method further comprises selecting one or more frequencies in dependence on the allocated quality parameters and subsequent frequency monitoring.Type: GrantFiled: October 1, 2003Date of Patent: February 24, 2009Assignee: Sharp Kabushiki KaishaInventors: Gerd Zimmermann, Mathias Pauli, Peter Schramm, Jamshid Khun-Jush, Lennart Gafvels, Göran Malmgren
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Patent number: 7406051Abstract: Interference Measurements in a Wireless Communications SystemA method and a transmitting unit for performing an interference measurement in a multiple access wireless communications system utilizing a carrier sensing technique is described. In accordance with the carrier sensing technique, it is monitored during a sensing period (Tmin) if a carrier is idle. A continuous or quasi-continuous interference measurement is performed on the carrier during a measurement period (TM) which is typically longer than the sensing period (Tmin). While performing the interference measurement, pulses are transmitted on the carrier such that an interval between the end of a pulse and the beginning of the next pulse is typically shorter than the sensing period (Tmin). The interference measurements preferably relate to detection of interference from radar signals or radar like signals.Type: GrantFiled: November 30, 2001Date of Patent: July 29, 2008Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Jamshid Khun-Jush, Gerd Zimmermann, Mathias Pauli
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Patent number: 7024188Abstract: The invention discloses a method for use in a wireless communications system with a plurality of broadcasting nodes, comprising the step of enabling one node in the system to function as a central node in said system and letting said node enable measurements on at least one frequency in a frequency band used by the system. Said measurements are carried out to detect if said at least one frequency is being utilized by a transmitter foreign to the system. Preferably, the measurement is enabled by means of the node transmitting a message to other nodes in the system, said message being a message pre-defined within the system as a message prohibiting all nodes from transmitting during a certain interval, said message being transmitted after the system has been detected by the node to be silent during a predefined interval between frame transmissions from the nodes in the system.Type: GrantFiled: September 13, 2002Date of Patent: April 4, 2006Assignee: Telefonaktiebolaget L M Ericsson (publ)Inventors: Jamshid Khun-Jush, Peter Schramm, Jan Lindskog, Stefan Rommer, Mathias Pauli, Gerd Zimmermann, Fredrik Johansson, Anders Ranheim, Peter Larsson
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Publication number: 20050192016Abstract: The invention relates to a method and a device for controlling frequency selection within a wireless communication system in response to radar-like interference signals. The method comprises continuously or quasi-continuously monitoring and assessing a plurality of frequencies with respect to a radar-like interference signal and allocating a quality parameter to each assessed frequency, the quality parameter indicating the probability that the frequency is occupied. The method further comprises selecting one or more frequencies in dependence on the allocated quality parameters and subsequent frequency monitoring.Type: ApplicationFiled: October 1, 2003Publication date: September 1, 2005Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Gerd Zimmermann, Mathias Pauli, Peter Schramm, Jamshid Khun-Jush, Lennart Gafvels, Goran Malmgren
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Publication number: 20050083962Abstract: Interference Measurements in a Wireless Communications System A method and a transmitting unit for performing an interference measurement in a multiple access wireless communications system utilizing a carrier sensing technique is described. In accordance with the carrier sensing technique, it is monitored during a sensing period (Tmin) if a carrier is idle. A continuous or quasi-continuous interference measurement is performed on the carrier during a measurement period (TM) which is typically longer than the sensing period (Tmin). While performing the interference measurement, pulses are transmitted on the carrier such that an interval between the end of a pulse and the beginning of the next pulse is typically shorter than the sensing period (Tmin). The interference measurements preferably relate to detection of interference from radar signals or radar like signals.Type: ApplicationFiled: November 30, 2001Publication date: April 21, 2005Inventors: Jamshid Khun-Jush, Gerd Zimmermann, Mathias Pauli
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Publication number: 20050054294Abstract: The invention discloses a method for use in a wireless communications system with a plurality of broadcasting nodes, comprising the step of enabling one node in the system to function as a central node in said system and letting said node enable measurements on at least one frequency in a frequency band used by the system. Said measurements are carried out to detect if said at least one frequency is being utilized by a transmitter foreign to the system. Preferably, the measurement is enabled by means of the node transmitting a message to other nodes in the system, said message being a message pre-defined within the system as a message prohibiting all nodes from transmitting during a certain interval, said message being transmitted after the system has been detected by the node to be silent during a predefined interval between frame transmissions from the nodes in the system.Type: ApplicationFiled: September 13, 2002Publication date: March 10, 2005Inventors: Jamshid Khun-Jush, Peter Schramm, Jan Lindskog, Stefan Rommer, Mathias Pauli, Gerd Zimmermann, Fredrik Johansson, Anders Ranheim, Peter Larsson
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Patent number: 6807154Abstract: A TDMA/TDD link adaptation method determines radio link quality at a base station. The radio link quality is used to update and broadcast a physical layer parameter indicator (10-16) from the base station on a broadcast control channel having a common physical layer parameter indicator for all uplink and downlink channels.Type: GrantFiled: October 11, 1999Date of Patent: October 19, 2004Assignee: Telefonaktiebolaget LM EricssonInventors: Göran Malmgren, Jamshid Khun-Jush, Hui Li, Uwe Dettmar, Peter Schramm, Jörn Thielecke, Udo Wachsmann
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Patent number: 6504836Abstract: Communication system for transmitting data packets via a plurality of virtual wireless communication links established between a base station and a plurality of operable mobile stations, the communication links having a variable transmission capacity and wherein messages for a requirement-oriented data transmission are transmitted on a plurality of communication links or channels within three types of control data packets. Said control data packets contain messages grouped according to their importance, allowing an efficient error treatment. The partitioning of messages into groups further allows an increase of the flexibility and efficiency of a data transmission, since only necessary control information is transmitted a direct decoding of received control data packets becomes possible without a detour via a higher level of a used communication model.Type: GrantFiled: October 26, 1998Date of Patent: January 7, 2003Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Hui Li, Gregor Bautz, Jamshid Khun-Jush, Jörn Thielecke
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Patent number: 5943344Abstract: A method, and associated apparatus, formats asynchronous data, such as ATM data traffic, and synchronous data, such as synchronous voice traffic, pursuant to a common format. Once formatted pursuant to the common format, data generated during operation of two different types of communication systems can be communicated over a common radio link. A single frequency band can be used to communicate communication signals generated during operation of at least two separate communication systems.Type: GrantFiled: May 14, 1997Date of Patent: August 24, 1999Assignee: Telefonaktiebolaget L M EricssonInventors: Ralf Keller, Gregor Bautz, Norbert Niebert, Jamshid Khun Jush, Wolfgang Koch