Patents by Inventor David Houghton

David Houghton 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: 10408844
    Abstract: The present disclosure provides methods and compositions that find use in facilitating a diagnosis of chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME) in a subject. The methods and compositions involve measurement of at least one of proteins: IL-16, IL-7, VEGF, CXCL9, CX3CL1, CCL24, CCL19, and CCL11 in a body fluid sample of a subject suspected of having CFS/ME. Levels of one or more of the aforementioned proteins can be used to facilitate a diagnosis of a CFS/ME and/or confirm a diagnosis of CFS/ME. The methods and compositions of the present disclosure also find use in screening subjects for clinical trials and facilitating treatment decisions for a subject.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: September 10, 2019
    Assignee: The Governors of the University of Alberta
    Inventors: Abdolamir Landi, David Broadhurst, D. Lorne J. Tyrrell, Michael Houghton
  • Publication number: 20190208041
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may determine a plurality of TCP ACKs, and at least one of TCP data or UDP data for a multi-user transmission to a set of STAs. The apparatus may allocate the plurality of TCP ACKs to a PPDU before allocating the at least one of the TCP data and the UDP data to the PPDU. In certain aspects, the plurality of TCP ACKs may be frequency division multiplexed in the PPDU. In certain other aspects, the apparatus may transmit, to the set of STAs, the multi-user transmission including at least the plurality of frequency division multiplexed TCP ACKs.
    Type: Application
    Filed: January 4, 2018
    Publication date: July 4, 2019
    Inventors: Madhan JAGANATHAN, Xiaolong HUANG, Srinivas KATAR, Nathaniel David HOUGHTON, Madhavan NAIR, Hao ZHU, Chao ZOU
  • Patent number: 10191062
    Abstract: The invention relates to a Model Gut System (MGS) comprising a pancreatic phase consisting essentially of synthetic pancreatic juice comprising pancreatin and one or more suitable pancreatic diluent(s) at a pH from about 7 to about 9, preferably about 7.9 to about 8.2, and porcine bile.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: January 29, 2019
    Assignee: University of Newcastle Upon Tyne
    Inventors: Jeff Pearson, Iain Brownlee, Matt Wilcox, Peter Chater, David Houghton
  • Patent number: 10135504
    Abstract: The disclosure provides techniques for sounding sequence protection in multi-user multiple-input-multiple-output (MU-MIMO) communications for wireless local area networks (WLANs). An access point (AP) may select a station (STA) from multiple STAs in a MU-MIMO group. The AP may then transmit a request-to-send (RTS) frame, where the RTS is addressed to the selected STA. The AP may receive a clear-to-send (CTS) frame from the selected station and may perform, in response to receiving the CTS frame, a sounding sequence with the MU-MIMO group. After completion of the sounding sequence, the AP may transmit MU-MIMO data communications to at least one of the STAs in the MU-MIMO group.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: November 20, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Ahmed Ragab Elsherif, Nathaniel David Houghton
  • Publication number: 20180242344
    Abstract: A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, an apparatus may be configured to determine a scheduling metric for each respective station of a plurality of stations. The scheduling metric for each station may be based on an effective spatial-time-frequency physical layer (PHY) capability for the station and a consumption rate of spatial-time-frequency resources by the respective station. The effective spatial-time-frequency PHY capability for the station may be a product of a target percentage of spatial-time resources allocated to the station, an effective number of spatial streams supported by the respective station, and a maximum bandwidth. The consumption rate of spatial-time-frequency resources may be a transmit opportunity (TXOP) moving average of consumption rate by the station.
    Type: Application
    Filed: February 16, 2018
    Publication date: August 23, 2018
    Inventors: Xiaolong Huang, Madhan Jaganathan, Nathaniel David Houghton, Madhavan Nair, Srinivas Katar, Ahmed Ragab Elsherif
  • Publication number: 20180109298
    Abstract: The disclosure provides techniques for sounding sequence protection in multi-user multiple-input-multiple-output (MU-MIMO) communications for wireless local area networks (WLANs). An access point (AP) may select a station (STA) from multiple STAs in a MU-MIMO group. The AP may then transmit a request-to-send (RTS) frame, where the RTS is addressed to the selected STA. The AP may receive a clear-to-send (CTS) frame from the selected station and may perform, in response to receiving the CTS frame, a sounding sequence with the MU-MIMO group. After completion of the sounding sequence, the AP may transmit MU-MIMO data communications to at least one of the STAs in the MU-MIMO group.
    Type: Application
    Filed: October 14, 2016
    Publication date: April 19, 2018
    Inventors: AHMED RAGAB ELSHERIF, NATHANIEL DAVID HOUGHTON
  • Publication number: 20170373789
    Abstract: A device includes a memory, a processor, and a transceiver. The memory is configured to store capability data corresponding to a set of stations. The processor is configured to select, based at least in part on the capability data, one of a multi-user multiple-input multiple-output (MU-MIMO) mode or an orthogonal frequency-division multiple access (OFDMA) mode for wireless communication with a subset of the set of stations. The transceiver is configured to wirelessly communicate with the subset in the selected one of the MU-MIMO mode or the OFDMA mode.
    Type: Application
    Filed: May 12, 2017
    Publication date: December 28, 2017
    Inventors: Xiaolong HUANG, Hao ZHU, Srinivas KATAR, Naveen GANGADHARAN, Madhan JAGANATHAN, Nathaniel David HOUGHTON, Sabita NAHATA, Raja BANERJEA, Alireza RAISSINIA, James CHO, Chao CHENG
  • Patent number: 9843411
    Abstract: Wireless node selects modulation coding schemes (MCS) and number of spatial streams for transmitting data to devices via a MU-MIMO transmission based on the total number of spatial streams. In one implementation, a wireless node selects first MCS, first number of spatial stream(s) for a first device, and total number of spatial streams to be used in the MU-MIMO transmission so as to maximize the data rate to the first device, then selects a second MCS and a second number of spatial stream(s) for a second device based on the selected total number of spatial streams. In another implementation, the wireless node toggles the first selection of the MCS and spatial stream(s) between the first and second devices for fairness purposes. In another implementation, a wireless selects the MCS and the spatial streams for the receiving nodes so as to maximize the aggregate data rate for the MU-MIMO transmission.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: December 12, 2017
    Assignee: QUALCOMM, Incorporated
    Inventors: Qinghai Gao, Nathaniel David Houghton, Ahmed Ragab Elsherif, Ehab Tahir
  • Publication number: 20170302401
    Abstract: Wireless node selects modulation coding schemes (MCS) and number of spatial streams for transmitting data to devices via a MU-MIMO transmission based on the total number of spatial streams. In one implementation, a wireless node selects first MCS, first number of spatial stream(s) for a first device, and total number of spatial streams to be used in the MU-MIMO transmission so as to maximize the data rate to the first device, then selects a second MCS and a second number of spatial stream(s) for a second device based on the selected total number of spatial streams. In another implementation, the wireless node toggles the first selection of the MCS and spatial stream(s) between the first and second devices for fairness purposes. In another implementation, a wireless selects the MCS and the spatial streams for the receiving nodes so as to maximize the aggregate data rate for the MU-MIMO transmission.
    Type: Application
    Filed: April 19, 2016
    Publication date: October 19, 2017
    Inventors: Qinghai Gao, Nathaniel David Houghton, Ahmed Ragab Elsherif, Ehab tahir
  • Publication number: 20170295516
    Abstract: Methods, systems, and devices for wireless communication are described. A device may identify an indication of a station load in a wireless local area network (WLAN) and estimate a delay to fill a packet hole at the medium access control (MAC) layer based on the station load. The estimated time period may be used to adjust a reorder timeout value. In some cases the reorder timeout value may be increased when the station load is high to reduce the likelihood that packet holes will be flushed to higher layers before the device is served with the missing packets. In some cases, the station load may be determined based on a message received from a serving access point (AP).
    Type: Application
    Filed: April 8, 2016
    Publication date: October 12, 2017
    Inventors: Qinghai Gao, Nathaniel David Houghton, Ehab Tahir
  • Publication number: 20170170884
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may include a processing system configured to determine whether to initiate scheduler probing based on a condition and to perform scheduler probing by determining whether to transmit in SU mode and by determining a set of transmission parameters. The apparatus may include an interface configured to, when the scheduler probing is initiated, output a frame for transmission based on the set of transmission parameters.
    Type: Application
    Filed: December 7, 2016
    Publication date: June 15, 2017
    Inventors: Ahmed Ragab ELSHERIF, Nathaniel David HOUGHTON, Ehab TAHIR
  • Publication number: 20170118631
    Abstract: Aspects of the present disclosure relate to a pre-fetching architecture and scheduler for multi-station APs. An example method generally includes fetching, from a plurality of host buffers, descriptive information for a set of packets based, at least in part, on an amount of descriptive information already cached for transmission to one or more target devices; using the fetched descriptive information to obtain the set of packets; and transmitting the set of packets to the one or more target devices.
    Type: Application
    Filed: October 22, 2015
    Publication date: April 27, 2017
    Inventors: Chao ZOU, Guido Robert FREDERIKS, Srinivas KATAR, Xiaolong HUANG, Qinghai GAO, Naveen GANGADHARAN, Nathaniel David HOUGHTON, BadriSrinivasan SAMPATHKUMAR, James Simon CHO
  • Patent number: 8849041
    Abstract: The disclosure relates to recognizing data such as items or entities in content. In some aspects, content may be received and feature information, such as face recognition data and voice recognition data may be generated. Scene segmentation may also be performed on the content, grouping the various shots of the video content into one or more shot collections, such as scenes. For example, a decision lattice representative of possible scene segmentations may be determined and the most probable path through the decision lattice may be selected as the scene segmentation. Upon generating the feature information and performing the scene segmentation, one or more items or entities that are present in the scene may be identified.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: September 30, 2014
    Assignee: Comcast Cable Communications, LLC
    Inventors: Jan Neumann, Evelyne Tzoukermann, Amit Bagga, Oliver Jojic, Bageshree Shevade, David Houghton, Corey Farrell
  • Publication number: 20130322765
    Abstract: The disclosure relates to recognizing data such as items or entities in content. In some aspects, content may be received and feature information, such as face recognition data and voice recognition data may be generated. Scene segmentation may also be performed on the content, grouping the various shots of the video content into one or more shot collections, such as scenes. For example, a decision lattice representative of possible scene segmentations may be determined and the most probable path through the decision lattice may be selected as the scene segmentation. Upon generating the feature information and performing the scene segmentation, one or more items or entities that are present in the scene may be identified.
    Type: Application
    Filed: June 4, 2012
    Publication date: December 5, 2013
    Applicant: COMCAST CABLE COMMUNICATIONS, LLC
    Inventors: Jan Neumann, Evelyne Tzoukermann, Amit Bagga, Oliver Jojic, Bageshree Shevade, David Houghton, Corey Farrell
  • Publication number: 20120297720
    Abstract: A method of making and utilizing a column assembly module for a building framework includes providing an elongate column member for being vertically disposed as part of a vertically elongate column assembly of a building framework. And securing to the elongate column member a spaced apart pair of horizontally elongate and vertically and horizontally extending side plates. The step of securing includes locating an inner surface of at least one side plate member and an outside opposing vertical edge of the column member so that a vertical interface plane lies at an interface of the inner surface of the at least one side plate member and the outside opposing vertical edge. During erection of the building framework a full-length beam assembly is disposed at an end portion thereof between the pair of projecting side plates to be connected thereto providing a beam-to-column joint assembly of the building framework.
    Type: Application
    Filed: May 24, 2012
    Publication date: November 29, 2012
    Applicant: MITEK HOLDINGS, INC
    Inventors: David Houghton, Jesse E. Karns, Enrique A. Gallart
  • Patent number: 8205408
    Abstract: A building framework includes plural column assemblies interconnected by plural full-length beam assemblies, with the union of the column assemblies and beam assemblies forming beam-to-column joint assemblies according to this invention. The column assemblies include pairs of side plates spanning the column members of the column assemblies and projecting toward another column assembly of the plurality of such column assemblies. The full-length beam assemblies include beam members for being received between column assemblies to be interconnected and defining an end gap with respect to each column member. Additionally, the full-length beam assemblies include at each opposite end portion thereof a pair of cover plates, including an upper cover plate and a lower cover plate, which cover plates are sized and configured to be united with the side plates of a column assembly, as by welding applied at a construction site.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: June 26, 2012
    Assignee: Mitek Holdings, Inc.
    Inventors: David Houghton, Jesse E. Karns, Enrique A. Gallart
  • Patent number: 8176706
    Abstract: A building framework includes plural column assemblies interconnected by plural full-length beam assemblies, with the union of the column assemblies and beam assemblies forming beam-to-column joint assemblies according to this invention. The column assemblies include pairs of side plates spanning the column members of the column assemblies and projecting toward another column assembly of the plurality of such column assemblies. The full-length beam assemblies include beam members for being received between column assemblies to be interconnected and defining an end gap with respect to each column member. Additionally, the full-length beam assemblies include at each opposite end portion thereof a pair of cover plates, including an upper cover plate and a lower cover plate, which cover plates are sized and configured to be united with the side plates of a column assembly, as by welding applied at a construction site.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: May 15, 2012
    Assignee: Mitek Holdings, Inc.
    Inventors: David Houghton, Jesse E. Karns, Enrique A. Gallart
  • Patent number: 8122672
    Abstract: A building framework includes plural column assemblies interconnected by plural full-length beam assemblies, with the union of the column assemblies and beam assemblies forming beam-to-column joint assemblies according to this invention. The column assemblies include pairs of side plates spanning the column members of the column assemblies and projecting toward another column assembly of the plurality of such column assemblies. The full-length beam assemblies include beam members for being received between column assemblies to be interconnected and defining an end gap with respect to each column member. Additionally, the full-length beam assemblies include at each opposite end portion thereof a pair of cover plates, including an upper cover plate and a lower cover plate, which cover plates are sized and configured to be united with the side plates of a column assembly, as by welding applied at a construction site.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: February 28, 2012
    Assignee: Mitek Holdings, Inc.
    Inventors: David Houghton, Jesse E. Karns, Enrique A. Gallart
  • Patent number: 7881712
    Abstract: A technique for providing a flexible approach to generating and signaling tones, such as call progress tones, in a communications network is described. Parameters associated with tones generated and signaled in a communication network are dynamically configured. A tone to be generated and signaled onto the network is specified in a request that identifies the tone. Parameters associated with the specified tone are identified. The information representing the tone is then generated in accordance with the identified parameters and signaled onto the communications network.
    Type: Grant
    Filed: April 25, 2005
    Date of Patent: February 1, 2011
    Assignee: Cisco Technology, Inc.
    Inventors: Chengsheng Luo, David A. Houghton, Anantha R. Mekala
  • Publication number: 20100043347
    Abstract: A building framework includes plural column assemblies interconnected by plural full-length beam assemblies, with the union of the column assemblies and beam assemblies forming beam-to-column joint assemblies according to this invention. The column assemblies include pairs of side plates spanning the column members of the column assemblies and projecting toward another column assembly of the plurality of such column assemblies. The full-length beam assemblies include beam members for being received between column assemblies to be interconnected and defining an end gap with respect to each column member. Additionally, the full-length beam assemblies include at each opposite end portion thereof a pair of cover plates, including an upper cover plate and a lower cover plate, which cover plates are sized and configured to be united with the side plates of a column assembly, as by welding applied at a construction site.
    Type: Application
    Filed: December 3, 2008
    Publication date: February 25, 2010
    Inventors: David Houghton, Jesse E. Karns, Enrique A. Gallart