Patents by Inventor Huahui Wang
Huahui Wang 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: 10064099Abstract: Aspects of the subject disclosure may include, for example, a non-transitory machine-readable storage medium comprising executable instructions that, when executed by a processing system including a processor, perform operations comprising: identifying a first plurality of cells as a controlled group of cells; determining, for each cell of the controlled group of cells, an average number of allocated physical resource blocks; determining, for each cell of the controlled group of cells, a total number of physical resource blocks available to carry payload traffic; determining, for each cell of the controlled group of cells, a metric equal to: (a) the average number of allocated physical resource blocks of the cell divided by (b) the total number of physical resource blocks of the cell available to carry payload traffic; and performing a load balancing of the controlled group of cells based upon the metric. Other embodiments are disclosed.Type: GrantFiled: May 16, 2017Date of Patent: August 28, 2018Assignee: AT&T Intellectual Property I, L.P.Inventors: Ravi Raina, Gopalakrishnan Meempat, Huahui Wang, Laurie Bigler, Henry Kafka
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Publication number: 20180227876Abstract: Techniques for locating a mobile device using a time distance of arrival (TDOA) method with disturbance scrutiny are provided. In an aspect, for respective combinations of three base station devices of a number of base station devices greater than or equal to three, intersections in hyperbolic curves, generated using a closed form function with input values based on differences of distances from the device to pairs of base station devices of the respective combinations of three base station devices, are determined. The intersection points are then tested for robustness against measurement errors associated with the input values and a subset of the intersection points that are associated with a degree of resistance to the measurement errors are selected to estimate a location of the device.Type: ApplicationFiled: April 5, 2018Publication date: August 9, 2018Inventors: Sarat Puthenpura, Jie Chen, Sam Houston Parker, Huahui Wang, Wenjie Zhao
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Patent number: 9967854Abstract: Techniques for locating a mobile device using a time distance of arrival (TDOA) method with disturbance scrutiny are provided. In an aspect, for respective combinations of three base station devices of a number of base station devices greater than or equal to three, intersections in hyperbolic curves, generated using a closed form function with input values based on differences of distances from the device to pairs of base station devices of the respective combinations of three base station devices, are determined. The intersection points are then tested for robustness against measurement errors associated with the input values and a subset of the intersection points that are associated with a degree of resistance to the measurement errors are selected to estimate a location of the device.Type: GrantFiled: November 23, 2016Date of Patent: May 8, 2018Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.Inventors: Sarat Puthenpura, Jie Chen, Sam Houston Parker, Huahui Wang, Wenjie Zhao
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Patent number: 9935994Abstract: A method, computer readable medium and apparatus for calculating a capacity for high speed packet access data in a link in a communications network are disclosed. For example, the method initializes parameters associated with streaming data, long elastic data and short elastic data, determines, via a processor, a capacity value such that a quality of service metric is met for the streaming data, the long elastic data and the short elastic data and provisions the link with the capacity value if the quality of service metric is met.Type: GrantFiled: February 22, 2016Date of Patent: April 3, 2018Assignee: AT&T INELLECTUAL PROPERTY I, L.P.Inventors: Sarat Puthenpura, Stuart Blackburn, Dipak Ghosal, Gopalakrishnan Meempat, Ravi Raina, Raghvendra Savoor, Vishwanath Ramamurthi, Huahui Wang
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Publication number: 20170079005Abstract: Techniques for locating a mobile device using a time distance of arrival (TDOA) method with disturbance scrutiny are provided. In an aspect, for respective combinations of three base station devices of a number of base station devices greater than or equal to three, intersections in hyperbolic curves, generated using a closed form function with input values based on differences of distances from the device to pairs of base station devices of the respective combinations of three base station devices, are determined. The intersection points are then tested for robustness against measurement errors associated with the input values and a subset of the intersection points that are associated with a degree of resistance to the measurement errors are selected to estimate a location of the device.Type: ApplicationFiled: November 23, 2016Publication date: March 16, 2017Inventors: Sarat Puthenpura, Jie Chen, Sam Houston Parker, Huahui Wang, Wenjie Zhao
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Patent number: 9538494Abstract: Techniques for locating a mobile device using a time distance of arrival (TDOA) method with disturbance scrutiny are provided. In an aspect, for respective combinations of three base station devices of a number of base station devices greater than or equal to three, intersections in hyperbolic curves, generated using a closed form function with input values based on differences of distances from the device to pairs of base station devices of the respective combinations of three base station devices, are determined. The intersection points are then tested for robustness against measurement errors associated with the input values and a subset of the intersection points that are associated with a degree of resistance to the measurement errors are selected to estimate a location of the device.Type: GrantFiled: November 26, 2013Date of Patent: January 3, 2017Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.Inventors: Sarat Puthenpura, Jie Chen, Sam Houston Parker, Huahui Wang, Wenjie Zhao
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Patent number: 9380585Abstract: A method and apparatus for selecting a bandwidth option for a cell in a network are disclosed. For example, the method obtains, for the cell, network traffic data for a geographical area, and a physical characteristic of an antenna in the geographical area, determines busy time data traffic from the network traffic data, determines, for the cell, a cell range from the physical characteristic of the antenna, selects a bandwidth option from a plurality of bandwidth options, and determines an average throughput in accordance with the bandwidth option that is selected and the cell range.Type: GrantFiled: June 23, 2014Date of Patent: June 28, 2016Assignee: AT&T Intellectual Property I, L.P.Inventors: Sarat Puthenpura, David G. Belanger, Gopalakrishnan Meempat, Sam Houston Parker, Ravi Raina, Wenjie Zhao, Huahui Wang
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Publication number: 20160173558Abstract: A method, computer readable medium and apparatus for calculating a capacity for high speed packet access data in a link in a communications network are disclosed. For example, the method initializes parameters associated with streaming data, long elastic data and short elastic data, determines, via a processor, a capacity value such that a quality of service metric is met for the streaming data, the long elastic data and the short elastic data and provisions the link with the capacity value if the quality of service metric is met.Type: ApplicationFiled: February 22, 2016Publication date: June 16, 2016Inventors: Sarat Puthenpura, Stuart Blackburn, Dipak Ghosal, Gopalakrishnan Meempat, Ravi Raina, Raghvendra Savoor, Vishwanath Ramamurthi, Huahui Wang
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Patent number: 9271189Abstract: A method and apparatus for selecting a bandwidth option for a cell in a network are disclosed. For example, the method obtains, for the cell, network traffic data for a geographical area for mobility traffic and fixed wireless traffic, a physical characteristic of an antenna in the geographical area, and a type of connectivity at a customer premise, determines a busy time data traffic from the network traffic data for both the fixed wireless traffic and the mobility traffic, determines, for the cell, a cell range from the physical characteristic of the antenna and the type of connectivity at the customer premise, selects a bandwidth option from a plurality of bandwidth options, and determines an average throughput in accordance with the bandwidth option that is selected and the cell range, wherein the average throughput comprises a throughput for serving both the mobility traffic and the fixed wireless traffic.Type: GrantFiled: October 1, 2013Date of Patent: February 23, 2016Assignee: AT&T Intellectual Property I, L.P.Inventors: Sarat Puthenpura, David G. Belanger, Sam Houston Parker, Ravi Raina, Huahui Wang
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Apparatus and methods for releasing drilling rig and blowout preventer (BOP) prior to cement bonding
Patent number: 9187976Abstract: Apparatus and methods for managing cementing operations are provided. An example method includes connecting a cementing adapter atop a casing head itself positioned atop a surface casing landed within a conductor pipe, connecting a drilling adapter atop the cementing adapter, connecting a blowout preventer to the drilling adapter, and drilling for and running production casing. The method also includes positioning a casing hanger at least partially within a bore of the cementing adapter to be immobilized therein to retain back pressure of cement within an annulus located between the production casing and the surface casing, cementing the production casing within the surface casing, and removing the drilling adapter and blowout preventer after running the cement, but typically prior to cement bonding.Type: GrantFiled: November 16, 2012Date of Patent: November 17, 2015Assignee: Vetco Gray Inc.Inventors: Henry He, Behrooz Movaffagh, Huahui Wang -
Publication number: 20150148059Abstract: Techniques for locating a mobile device using a time distance of arrival (TDOA) method with disturbance scrutiny are provided. In an aspect, for respective combinations of three base station devices of a number of base station devices greater than or equal to three, intersections in hyperbolic curves, generated using a closed form function with input values based on differences of distances from the device to pairs of base station devices of the respective combinations of three base station devices, are determined. The intersection points are then tested for robustness against measurement errors associated with the input values and a subset of the intersection points that are associated with a degree of resistance to the measurement errors are selected to estimate a location of the device.Type: ApplicationFiled: November 26, 2013Publication date: May 28, 2015Applicant: AT&T Intellectual Property I, L.P.Inventors: Sarat Puthenpura, Jie Chen, Sam Houston Parker, Huahui Wang, Wenjie Zhao
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Publication number: 20140378153Abstract: A method and apparatus for selecting a bandwidth option for a cell in a network are disclosed. For example, the method obtains, for the cell, network traffic data for a geographical area, and a physical characteristic of an antenna in the geographical area, determines busy time data traffic from the network traffic data, determines, for the cell, a cell range from the physical characteristic of the antenna, selects a bandwidth option from a plurality of bandwidth options, and determines an average throughput in accordance with the bandwidth option that is selected and the cell range.Type: ApplicationFiled: June 23, 2014Publication date: December 25, 2014Inventors: SARAT PUTHENPURA, David G. Belanger, Gopalakrishnan Meempat, Sam Houston Parker, Ravi Raina, Wenjie Zhao, Huahui Wang
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Patent number: 8761102Abstract: A method and apparatus for selecting a bandwidth option for a cell in a network are disclosed. For example, the method obtains, for the cell, network traffic data for a geographical area, and a physical characteristic of an antenna in the geographical area, determines busy time data traffic from the network traffic data, determines, for the cell, a cell range from the physical characteristic of the antenna, selects a bandwidth option from a plurality of bandwidth options, and determines an average throughput in accordance with the bandwidth option that is selected and the cell range.Type: GrantFiled: December 8, 2011Date of Patent: June 24, 2014Assignee: AT&T Intellectual Property I, L.P.Inventors: Sarat Puthenpura, David G Belanger, Gopalakrishnan Meempat, Sam Houston Parker, Ravi Raina, Wenjie Zhao, Huahui Wang
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Apparatus and Methods For Releasing Drilling Rig and Blowout Preventer (BOP) Prior to Cement Bonding
Publication number: 20140138086Abstract: Apparatus and methods for managing cementing operations are provided. An example method includes connecting a cementing adapter atop a casing head itself positioned atop a surface casing landed within a conductor pipe, connecting a drilling adapter atop the cementing adapter, connecting a blowout preventer to the drilling adapter, and drilling for and running production casing. The method also includes positioning a casing hanger at least partially within a bore of the cementing adapter to be immobilized therein to retain back pressure of cement within an annulus located between the production casing and the surface casing, cementing the production casing within the surface casing, and removing the drilling adapter and blowout preventer after running the cement, but typically prior to cement bonding.Type: ApplicationFiled: November 16, 2012Publication date: May 22, 2014Applicant: VETCO GRAY INC.Inventors: Henry He, Behrooz Movaffagh, Huahui Wang -
Patent number: 8675587Abstract: A method and apparatus for selecting a bandwidth option for a cell in a network are disclosed. For example, the method obtains, for the cell, network traffic data for a geographical area for mobility traffic and fixed wireless traffic, a physical characteristic of an antenna in the geographical area, and a type of connectivity at a customer premise, determines a busy time data traffic from the network traffic data for both the fixed wireless traffic and the mobility traffic, determines, for the cell, a cell range from the physical characteristic of the antenna and the type of connectivity at the customer premise, selects a bandwidth option from a plurality of bandwidth options, and determines an average throughput in accordance with the bandwidth option that is selected and the cell range, wherein the average throughput comprises a throughput for serving both the mobility traffic and the fixed wireless traffic.Type: GrantFiled: December 8, 2011Date of Patent: March 18, 2014Assignee: AT&T Intellectual Property I, L.P.Inventors: Sarat Puthenpura, David G Belanger, Sam Houston Parker, Ravi Raina, Huahui Wang
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Publication number: 20140031053Abstract: A method and apparatus for selecting a bandwidth option for a cell in a network are disclosed. For example, the method obtains, for the cell, network traffic data for a geographical area for mobility traffic and fixed wireless traffic, a physical characteristic of an antenna in the geographical area, and a type of connectivity at a customer premise, determines a busy time data traffic from the network traffic data for both the fixed wireless traffic and the mobility traffic, determines, for the cell, a cell range from the physical characteristic of the antenna and the type of connectivity at the customer premise, selects a bandwidth option from a plurality of bandwidth options, and determines an average throughput in accordance with the bandwidth option that is selected and the cell range, wherein the average throughput comprises a throughput for serving both the mobility traffic and the fixed wireless traffic.Type: ApplicationFiled: October 1, 2013Publication date: January 30, 2014Applicant: AT&T Intellectual Property I, L.P.Inventors: SARAT PUTHENPURA, David G. BELANGER, Sam Houston PARKER, Ravi RAINA, Huahui WANG
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Patent number: 8595374Abstract: A method, computer readable medium and apparatus for calculating a capacity for high speed packet access data in a link in a communications network are disclosed. For example, the method initializes parameters associated with streaming data, long elastic data and short elastic data, determines, via a processor, a capacity value such that a quality of service metric is met for the streaming data, the long elastic data and the short elastic data and provisions the link with the capacity value if the quality of service metric is met.Type: GrantFiled: December 8, 2010Date of Patent: November 26, 2013Assignee: AT&T Intellectual Property I, L.P.Inventors: Sarat Puthenpura, Stuart Blackburn, Dipak Ghosal, Gopalakrishnan Meempat, Ravi Raina, Raghvendra Savoor, Vishwanath Ramamurthi, Huahui Wang
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Publication number: 20120151078Abstract: A method, computer readable medium and apparatus for calculating a capacity for high speed packet access data in a link in a communications network are disclosed. For example, the method initializes parameters associated with streaming data, long elastic data and short elastic data, determines, via a processor, a capacity value such that a quality of service metric is met for the streaming data, the long elastic data and the short elastic data and provisions the link with the capacity value if the quality of service metric is met.Type: ApplicationFiled: December 8, 2010Publication date: June 14, 2012Inventors: Sarat PUTHENPURA, Stuart BLACKBURN, Dipak GHOSAL, Gopalakrishnan MEEMPAT, Ravi RAINA, Raghvendra SAVOOR, Vishwanath RAMAMURTHI, Huahui WANG
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Publication number: 20120082114Abstract: A method and apparatus for selecting a bandwidth option for a cell in a network are disclosed. For example, the method obtains, for the cell, network traffic data for a geographical area, and a physical characteristic of an antenna in the geographical area, determines busy time data traffic from the network traffic data, determines, for the cell, a cell range from the physical characteristic of the antenna, selects a bandwidth option from a plurality of bandwidth options, and determines an average throughput in accordance with the bandwidth option that is selected and the cell range.Type: ApplicationFiled: December 8, 2011Publication date: April 5, 2012Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.Inventors: SARAT PUTHENPURA, David G. Belanger, Gopalakrishnan Meempat, Sam Houston Parker, Ravi Raina, Wenjie Zhao, Huahui Wang
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Publication number: 20120082115Abstract: A method and apparatus for selecting a bandwidth option for a cell in a network are disclosed. For example, the method obtains, for the cell, network traffic data for a geographical area for mobility traffic and fixed wireless traffic, a physical characteristic of an antenna in the geographical area, and a type of connectivity at a customer premise, determines a busy time data traffic from the network traffic data for both the fixed wireless traffic and the mobility traffic, determines, for the cell, a cell range from the physical characteristic of the antenna and the type of connectivity at the customer premise, selects a bandwidth option from a plurality of bandwidth options, and determines an average throughput in accordance with the bandwidth option that is selected and the cell range, wherein the average throughput comprises a throughput for serving both the mobility traffic and the fixed wireless traffic.Type: ApplicationFiled: December 8, 2011Publication date: April 5, 2012Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.Inventors: Sarat Puthenpura, David G. Belanger, Sam Houston Parker, Ravi Raina, Huahui Wang