Patents by Inventor Sean McBeath
Sean McBeath 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: 8804586Abstract: A method for managing control channel interference is provided. The method includes a first access node performing at least one of blanking and transmitting at lower than nominal transmit power on at least a portion of a control channel. The method further includes the first access node applying at least one of blanking and transmitting at lower than nominal transmit power only on the control region of chosen subframes, wherein a second access node transmits the control region of the chosen subframes at nominal transmit power.Type: GrantFiled: January 11, 2010Date of Patent: August 12, 2014Assignee: BlackBerry LimitedInventors: Mo-Han Fong, Youn Hyoung Heo, Hua Xu, Jack Anthony Smith, Andrew Mark Earnshaw, Robert Novak, Zhijun Cai, Sean McBeath
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Patent number: 8750218Abstract: A method and apparatus for use in a communication system, the method comprising the steps of, at a user agent receiving a configuration message from an access device, where uplink time synchronization at the user agent has been lost when the configuration message is received, using at least a portion of the configuration message information to configure the user agent and after time synchronization has been restored, communicating with the access device.Type: GrantFiled: June 18, 2010Date of Patent: June 10, 2014Assignee: BlackBerry LimitedInventors: Sean McBeath, Mo-Han Fong, Richard Charles Burbidge
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Patent number: 8744341Abstract: A method for reporting power headroom-related information for a plurality of aggregated carriers. The method includes reporting in a bitmap the power headroom-related information for a number of the aggregated carriers that is less than or equal to the total number of aggregated carriers, wherein the power headroom-related information is one of a power headroom for at least one of the aggregated carriers and a path loss for at least one of the aggregated carriers.Type: GrantFiled: November 29, 2012Date of Patent: June 3, 2014Assignee: BlackBerry LimitedInventors: Youn Hyoung Heo, Zhijun Cai, Andrew Mark Earnshaw, Sean McBeath, Mo-Han Fong
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Patent number: 8699543Abstract: Methods, devices, and systems for the transmission of information in a wireless communication system are disclosed. In one embodiment, a method for the transmission of information in a wireless communication system comprises receiving a downlink message, wherein the downlink message includes a first control channel element; determining a first index using the location of the first control channel element; determining a second index; determining a first orthogonal resource using the first index; determining a second orthogonal resource using the second index; spreading an uplink message using the first orthogonal resource to form a first spread signal; spreading the uplink message using a second orthogonal resource to form a second spread signal; transmitting the first spread signal using a first antenna; and transmitting the second spread signal using a second antenna.Type: GrantFiled: August 20, 2010Date of Patent: April 15, 2014Assignee: BlackBerry LimitedInventors: Hua Xu, Youn Hyoung Heo, Zhijun Cai, Mark Earnshaw, Mo-Han Fong, Sean McBeath, Robert Mark Harrison
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Patent number: 8660023Abstract: A method for processing a control channel at a user agent (UA) to identify at least one of an uplink and a downlink resource grant within a wireless communication system wherein resource grants are received using control channel element (CCE) subsets wherein each CCE subset is a control channel candidate, wherein the UA is configured to decode up to M control channel candidates per time period for single carrier operation, the method comprising the steps of, at the user agent, identifying N control channel candidates that are distributed among C carriers wherein N is less than M×C, attempting to decode each of the N identified control channel candidates to identify at least one of an uplink and a downlink resource grant and where a control channel candidate is successfully decoded, using the one of the uplink grant and the downlink grant to facilitate communication.Type: GrantFiled: June 2, 2010Date of Patent: February 25, 2014Assignee: BlackBerry LimitedInventors: Sean McBeath, Mo-Han Fong, Zhijun Cai, Mark Earnshaw, Youn Hyoung Heo
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Patent number: 8626225Abstract: A method for reporting power headroom-related information for a plurality of aggregated carriers. The method includes reporting the power headroom-related information for a number of the aggregated carriers that is less than or equal to the total number of aggregated carriers.Type: GrantFiled: May 21, 2010Date of Patent: January 7, 2014Assignee: BlackBerry LimitedInventors: Youn Hyoung Heo, Zhijun Cai, Andrew Mark Earnshaw, Sean McBeath, Mo-Han Fong
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Patent number: 8494454Abstract: A method for processing a control channel at a user agent (UA) to identify at least one of an uplink and a downlink resource grant within a wireless communication system wherein resource grants are specified by control channel element (CCE) subsets wherein each CCE subset is a control channel candidate, wherein the control channel is used for a plurality C of carriers, the method comprising the steps of, at the user agent, for each of the C carriers, (i) randomly identifying a UA specific search space including a control channel candidate subset for the carrier and (ii) attempting to decode each of the control channel candidates in the UA specific search space to identify at least one of an uplink and a downlink grant associated with the carrier.Type: GrantFiled: June 2, 2010Date of Patent: July 23, 2013Assignee: Research In Motion LimitedInventors: Sean McBeath, Mo-Han Fong, Zhijun Cai, Mark Earnshaw, Youn Hyoung Heo
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Publication number: 20130121264Abstract: A method and apparatus for configuring a power sharing carrier set on a user equipment having multiple component carriers, the method receiving an indication from a network that carrier configuration information is supported in a cell of the network; providing at least one of capability information regarding carriers and bands supported by the user equipment and power sharing information the user equipment is capable of supporting; and obtaining configuration information for power sharing carrier sets. Furthermore, a network element for to providing a power sharing carrier set configuration, the network element configured to: send an indication from a network that carrier configuration information is supported in a cell of the network; receive at least one of capability information regarding carriers and bands supported by a user equipment and power sharing information the user equipment is capable of supporting; and provide configuration information for power sharing carrier sets.Type: ApplicationFiled: August 9, 2010Publication date: May 16, 2013Applicant: RESEARCH IN MOTION LIMITEDInventors: Youn Hyoung Heo, Mo-Han Fong, Sean McBeath, Zhijun Cai, Mark Earnshaw, Hua Xu
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Publication number: 20130100833Abstract: Methods, devices, and systems for the transmission of information in a wireless communication system are disclosed. In one embodiment, a method of transmission in a wireless communication system comprises determining by a wireless device (201) a configuration of a plurality of power amplifiers (207) to achieve a single antenna transmission mode; amplifying a signal by said wireless device (201) using the configuration of the plurality of power amplifiers (207) to form a plurality of amplified signals; simultaneously transmitting at or about the same time by the wireless device (201) to a base station (202) the plurality of amplified signals from a plurality of physical antennas (212), wherein the plurality of physical antennas (212) are coupled to the configuration of the plurality of power amplifiers (207); and wherein the measured transmit power from the totality of the plurality of physical antennas (212) is about the same as the required transmit power using the single antenna transmission mode.Type: ApplicationFiled: November 8, 2010Publication date: April 25, 2013Inventors: Hua Xu, Youn Heo, Zhijun Cai, Mark Earnshaw, Mo-Han Fong, Sean McBeath, Robert Mark Harrison
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Patent number: 8402336Abstract: A method and apparatus for use with a mobile user agent configured to be able to communicate via N carriers, the method for managing Hybrid Automatic Repeat reQuest (HARQ) processes in a communication system that uses R HARQ process indicators (HPIs) so that the system can support a maximum of (R)(N) HARQ processes, the method comprising the steps of, using a processor running a program to perform the steps of, within the mobile user agent, identifying less than (R)(N) unique HPI/carrier combinations, instantiating HARQ process buffers, associating each of the identified HPI/carrier combinations with at least one of the instantiated HARQ process buffers, receiving data, identifying HPI/carrier combinations associated with the received data and, where the HPI/carrier combination associated with received data is one of the identified combinations, delivering the data to the buffer associated with the HPI/carrier combination.Type: GrantFiled: June 2, 2010Date of Patent: March 19, 2013Assignee: Research In Motion LimitedInventors: Sean McBeath, Mo-Han Fong, Zhijun Cai, Mark Earnshaw, Youn Hyoung Heo
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Patent number: 8359039Abstract: A method for processing a control channel at a user agent (UA) to identify at least one of an uplink and a downlink resource allocated by a resource grant within a multi-carrier communication system wherein resource grants are specified by control channel element (CCE) subset candidates, the method comprising the steps of identifying the number of carriers used to communicate with the access device, based on the number of carriers used to communicate with the access device, identifying a number of CCE subset candidates to decode and decoding up to the identified number of CCE subset candidates in an attempt to identify the resource grant.Type: GrantFiled: June 15, 2010Date of Patent: January 22, 2013Assignee: Research In Motion LimitedInventors: Sean McBeath, Mo-Han Fong, Zhijun Cai, Mark Earnshaw, Youn Hyoung Heo
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Publication number: 20130016655Abstract: A method and apparatus for transmitting downlink control information when carrier aggregation is being used, by determining at least one downlink control information (DCI) format for a first carrier and at least once DCI format for a second carrier; and including padding in at least one DCI format corresponding to the second carrier such that the DCI format size of the padded DCI format equals the DCI format size of a DCI format corresponding to the first carrier.Type: ApplicationFiled: April 26, 2012Publication date: January 17, 2013Applicant: RESEARCH IN MOTION LIMITEDInventors: Youn Hyoung Heo, Sean McBeath, Andrew Mark Earnshaw, Zhijun Cai, Hua Xu
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Patent number: 8351359Abstract: A method for reporting power headroom-related information for a plurality of aggregated carriers. The method includes reporting in a bitmap the power headroom-related information for a number of the aggregated carriers that is less than or equal to the total number of aggregated carriers, wherein the power headroom-related information is one of a power headroom for at least one of the aggregated carriers and a path loss for at least one of the aggregated carriers.Type: GrantFiled: May 21, 2010Date of Patent: January 8, 2013Assignee: Research In Motion LimitedInventors: Youn Hyoung Heo, Zhijun Cai, Andrew Mark Earnshaw, Sean McBeath, Mo-Han Fong
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Publication number: 20120213167Abstract: A method and system to signal transmission layers or dedicated reference signal ports to be used in a multiple input multiple output system, the method including providing a downlink control signal containing information for transmission layers or dedicated reference signal ports utilized, the dedicated reference signal ports being associated with the transmission layers; and using the information to demodulate data on each transmission layer.Type: ApplicationFiled: December 16, 2011Publication date: August 23, 2012Inventors: Hua Xu, Yongkang Jia, Zhijun Cai, Youn Hyoung Heo, Andrew Mark Earnshaw, Robert Mark Harrison, Sean McBeath, Mo-Han Fong
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Publication number: 20110294491Abstract: A method for discontinuous reception operation for carrier aggregation comprising: receiving a first set of discontinuous reception parameters for a first carrier and a limited or different set of discontinuous reception parameters for a second carrier; and configuring discontinuous reception parameters on the first carrier and second carrier.Type: ApplicationFiled: June 15, 2010Publication date: December 1, 2011Inventors: Mo-Han Fong, Sean McBeath, Zhijun Cai, Andrew Mark Earnshaw, Youn Hyoung Heo, Yi Yu
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Publication number: 20110292851Abstract: A method for discontinuous reception operation for carrier aggregation comprising: receiving a first set of discontinuous reception parameters for a first carrier and a different set of discontinuous reception parameters for a second carrier; and configuring discontinuous reception parameters on the first carrier and second carrier.Type: ApplicationFiled: June 15, 2010Publication date: December 1, 2011Inventors: Mo-Han Fong, Sean McBeath, Zhijun Cai, Andrew Mark Earnshaw, Youn Hyoung Heo, Yi Yu
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Publication number: 20110170496Abstract: A method for managing control channel interference is provided. The method includes a first access node performing at least one of blanking and transmitting at lower than nominal transmit power on at least a portion of a control channel. The method further includes the first access node applying at least one of blanking and transmitting at lower than nominal transmit power only on the control region of chosen subframes, wherein a second access node transmits the control region of the chosen subframes at nominal transmit power.Type: ApplicationFiled: January 11, 2010Publication date: July 14, 2011Applicant: RESEARCH IN MOTION LIMITEDInventors: Mo-Han Fong, Youn Hyoung Heo, Hua Xu, Jack Anthony Smith, Andrew Mark Earnshaw, Robert Novak, Zhijun Cai, Sean McBeath
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Publication number: 20110064115Abstract: Methods, devices, and systems for the transmission of information in a wireless communication system are disclosed. In one embodiment, a method for the transmission of information in a wireless communication system comprises receiving a downlink message, wherein the downlink message includes a first control channel element; determining a first index using the location of the first control channel element; determining a second index; determining a first orthogonal resource using the first index; determining a second orthogonal resource using the second index; spreading an uplink message using the first orthogonal resource to form a first spread signal; spreading the uplink message using a second orthogonal resource to form a second spread signal; transmitting the first spread signal using a first antenna; and transmitting the second spread signal using a second antenna.Type: ApplicationFiled: August 20, 2010Publication date: March 17, 2011Inventors: Hua XU, Youn Hyoung Heo, Zhijun Cai, Mark Earnshaw, Mo-Han Fong, Sean McBeath, Robert Mark Harrison
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Publication number: 20110044261Abstract: A method for receiving data using a user agent (UA) configured to communicate with a wireless communications network using a first and second communication carrier is presented. The method includes receiving control information during a first time interval. The control information allocates a resource on at least one of the first communication carrier and the second communication carrier. When the control information allocates a resource on the first communication carrier, the method includes receiving data using the first communication carrier during a second time interval. When the control information allocates a resource on the second communication carrier, the method includes receiving data using the second communication carrier during a third time interval, the third time interval being offset from the first time interval.Type: ApplicationFiled: August 21, 2009Publication date: February 24, 2011Inventors: Zhijun Cai, Sean McBeath, Mo-Han Fong, Mark Earnshaw, Youn Hyoung Heo, Hua Xu
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Publication number: 20110044239Abstract: A method for receiving data using a user agent (UA) configured to communicate with a wireless communications network using a first and second communication carrier is presented. The method includes receiving control information at a first time interval using the first communication carrier. The control information allocates a resource on at least one of the first communication carrier and the second communication carrier. The control information indicates whether a carrier switch is required. In one implementation, when the control information indicates a carrier switch is required, the method includes ceasing signal reception on the first communication carrier, and receiving a signal on the second communication carrier.Type: ApplicationFiled: August 21, 2009Publication date: February 24, 2011Inventors: Zhijun Cai, Sean McBeath, Mo-Han Fong, Mark Earnshaw, Youn Hyoung Heo, Hua Xu