Patents by Inventor Canhui Ou
Canhui Ou 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: 8997144Abstract: A method is disclosed for monitoring data packet traffic in a communication network for at least two of a plurality of subscriber devices associated with a subscriber; developing a holistic subscriber profile for the subscriber based on the monitored data packet traffic; selecting advertisement data for a current one of the plurality of subscriber devices based on the holistic subscriber profile and sending the selected advertising data to the current subscriber device. A system is disclosed for performing the method. A data structure is disclosed for use in performing the method.Type: GrantFiled: June 25, 2013Date of Patent: March 31, 2015Assignee: AT&T Intellectual Property I, L.P.Inventors: David Small, Canhui Ou, Raghvendra Savoor, Stephen Sposato
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Patent number: 8839325Abstract: Disclosed is a system and method of managing video content quality. The method includes receiving performance data at a video quality prediction system where the performance data is related to a plurality of network elements of a network path linking a video-head end with a set-top box device. The method also includes predicting, based at least partially on the performance data, a quality of video content received at the set-top box device and determining whether the predicted quality of video content is greater than or equal to a video quality threshold. In addition, the method includes identifying at least one of the plurality of network elements not satisfying a performance requirement, based on the performance data, when the predicted quality of video content is less than the video quality threshold. Further, the method includes outputting data indicating the at least one network element not satisfying the performance requirement.Type: GrantFiled: February 14, 2007Date of Patent: September 16, 2014Assignee: AT&T Intellectual Property I, L.P.Inventors: Zhi Li, Canhui Ou, Michael Tisiker, Donggen Zhang, Xiaochuan Yi, Raghvendra Savoor, Orestis Manthoulis, Christine Bouamalay
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Publication number: 20140164140Abstract: A system that incorporates teachings of the present disclosure may include, for example, a controller to determine a behavioral profile of an end user from packet traffic generated by activities of the end user, and share the behavioral profile with a network element for distributing targeted advertisements to the end user according to the behavioral profile. Additional embodiments are disclosed.Type: ApplicationFiled: February 14, 2014Publication date: June 12, 2014Applicant: AT&T Intellectual Property I, LPInventors: Canhui Ou, J. Bradley Bridges, Charles Robert Kalmanek, JR., Raghvendra Savoor, Albert Gordon Greenberg, Steve Sposato, Zhi Li, Jerold Daizo Osato, Alexandre Gerber, Oliver Spatscheck, Sun-Uk Park
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Publication number: 20140157309Abstract: A method is disclosed for monitoring data packet traffic in a communication network for at least two of a plurality of subscriber devices associated with a subscriber; developing a holistic subscriber profile for the subscriber based on the monitored data packet traffic; selecting advertisement data for a current one of the plurality of subscriber devices based on the holistic subscriber profile and sending the selected advertising data to the current subscriber device. A system is disclosed for performing the method. A data structure is disclosed for use in performing the method.Type: ApplicationFiled: June 25, 2013Publication date: June 5, 2014Inventors: Daivd Small, Canhui Ou, Raghvendra Savoor, Stephen Sposato
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Patent number: 8743740Abstract: Methods and apparatus to implement a partial mesh virtual private local area network service are disclosed. An example method to implement a partial mesh virtual private local area network service (VPLS) network disclosed herein comprises identifying a desired partial mesh topology of connections for interconnecting a plurality of provider edge devices comprising the VPLS network, and decomposing the partial mesh topology into a plurality of cliques, wherein each clique comprises a respective full mesh topology of connections for interconnecting a respective subset of the plurality of provider edge devices, and wherein a union of the plurality of cliques implements the desired partial mesh topology.Type: GrantFiled: April 8, 2008Date of Patent: June 3, 2014Assignee: AT&T Intellectual Property I, L.P.Inventors: David Small, Thomas Spencer, Canhui Ou
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Publication number: 20140130074Abstract: A method includes determining a data capacity of a first network device of a plurality of network devices that provide content to a set-top box device. In response to the data capacity satisfying a first threshold and a second threshold, sending a first command to the first network device. The first command instructs the first network device to store media content associated with a particular channel corresponding to a predicted channel change request at the first network device. In response to the data capacity satisfying the first threshold and failing to satisfy the second threshold, sending a second command to the first network device and sending a third command to a second network device. The third command instructs the second network device to store the media content associated with the particular channel.Type: ApplicationFiled: January 9, 2014Publication date: May 8, 2014Applicant: AT&T Intellectual Property I, L.P. (formerly known as AT&T Knowledge Ventures, L.P.)Inventors: Canhui Ou, Raghvendra Savoor, Stephen A. Sposato, Russell B. Bellford, Mung Chiang, Zhi Li
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Patent number: 8694377Abstract: A system that incorporates teachings of the present disclosure may include, for example, a controller to determine a behavioral profile of an end user from packet traffic generated by activities of the end user, and share the behavioral profile with a network element for distributing targeted advertisements to the end user according to the behavioral profile. Additional embodiments are disclosed.Type: GrantFiled: April 3, 2009Date of Patent: April 8, 2014Assignee: AT&T Intellectual Property I, L.P.Inventors: Canhui Ou, J. Bradley Bridges, Charles R. Kalmanek, Jr., Raghvendra G. Savoor, Albert Greenberg, Stephen A. Sposato, Zhi Li, Jerold D. Osato, Alexandre Gerber, Oliver Spatscheck, Sun-Uk Park
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Patent number: 8661486Abstract: Systems and methods of delivering video content are provided. A method of delivering video content is provided that includes predicting a channel change request at a network device. The predicted channel change request indicates a predicted stream of video content. The method also includes generating a control signal at the network device related to the predicted channel change request and storing the control signal at a data storage device associated with the network device. In an illustrative embodiment, the network device stores the control signal when the network device is associated with a first data capacity. Additionally, the network device sends a video content request to a service provider server when the network device is associated with a second data capacity. The video content request is related to the predicted stream.Type: GrantFiled: December 19, 2007Date of Patent: February 25, 2014Assignee: AT&T Intellectual Property I, L.P.Inventors: Canhui Ou, Raghvendra Savoor, Stephen A. Sposato, Russell B. Bellford, Mung Chiang, Zhi Li
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Patent number: 8601503Abstract: A system and method is disclosed for detecting distribution of multimedia content. The volume level of data traffic is monitored for a plurality of users to select any users with high-bandwidth usage. The time of day and the day of the week may be considered when determining whether a user is a high-bandwidth user. Upon selecting a user as one with high-bandwidth usage, such user may be subject to packet inspections of data traffic streams. In some embodiments, content identification parameters or watermarks are added to one or more packets in a data traffic stream carrying multimedia content.Type: GrantFiled: November 30, 2012Date of Patent: December 3, 2013Assignee: AT&T Intellectual Property I, L.P.Inventors: Zhi Li, Dipak Ghosal, Canhui Ou, Raghvendra Savoor
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Publication number: 20130315174Abstract: A method controls a wireless network, which includes a controller and a plurality of network elements. The method includes determining interference in the wireless network using radio-link measurements, generating an interference matrix identifying the interference in the wireless network, and generating an adjacency matrix based on the interference matrix identifying locations having unacceptable levels of interference in the wireless network. The method also includes allocating channels and corresponding transmission powers in the wireless network to reduce the unacceptable levels of interference. The method is performed at predetermined fixed time intervals and when a new network element is added to the wireless network.Type: ApplicationFiled: August 2, 2013Publication date: November 28, 2013Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.Inventors: Raj SAVOOR, Jin WANG, Canhui OU
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Publication number: 20130301612Abstract: A system that incorporates teachings of the present disclosure may include, for example, a base station having a wireless transceiver operable in compliance with a Worldwide Interoperability for Microwave Access protocol, and a controller to manage the wireless transceiver. The controller can be operable to receive a request from a communication device to access the base station, and to direct the communication device to a second base station upon determining that granting wireless access to the communication device reduces an operating performance of the base station below an operating threshold of the base station. Additional embodiments are disclosed.Type: ApplicationFiled: July 11, 2013Publication date: November 14, 2013Inventors: Canhui Ou, Anthony Petronelli, Kevin Meng
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Publication number: 20130244703Abstract: A method of operating a cellular telephone comprises presenting a user with an option of a first rule or a second rule, and accepting a selection of the first rule or the second rule. The first rule relates to a voice message, and the second rule relates to a text message. The method determines that reception is not sufficient to establish communication, and stores an address of an intended recipient. The method also stores the voice message if the first rule was selected or the text message if the second rule was selected. When reception is sufficient to establish communication, the stored message is sent to the address.Type: ApplicationFiled: April 30, 2013Publication date: September 19, 2013Applicant: AT&T Intellectual Property I, L.P.Inventors: Anthony P. Petronelli, Canhui Ou
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Patent number: 8516120Abstract: A broadband residential gateway (BRG) management system has a communications interface coupled to one or more BRGs and one or more content service providers (CSPs), a memory, and a processor. The processor can be programmed to establish a content profile for each of the BRGs according to one or more attributes of the BRGs and the CSPs, receive a content access request from one or more BRGs, and supply each BRG access to selectable content from one or more of the CSPs according to the content profile.Type: GrantFiled: June 14, 2012Date of Patent: August 20, 2013Assignee: AT&T Intellectual Property I, LPInventors: Raghvendra Savoor, Steve Sposato, Canhui Ou
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Patent number: 8509189Abstract: A system that incorporates teachings of the present disclosure may include, for example, a base station having a wireless transceiver operable in compliance with a Worldwide Interoperability for Microwave Access protocol, and a controller to manage the wireless transceiver. The controller can be operable to receive a request from a communication device to access the base station, and to direct the communication device to a second base station upon determining that granting wireless access to the communication device reduces an operating performance of the base station below an operating threshold of the base station. Additional embodiments are disclosed.Type: GrantFiled: February 17, 2011Date of Patent: August 13, 2013Assignee: AT&T Intellectual Property I, L.P.Inventors: Canhui Ou, Anthony Petronelli, Kevin Meng
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Targeted online, telephone and television advertisements based on cross-service subscriber profiling
Patent number: 8505046Abstract: A method is disclosed for monitoring data packet traffic in a communication network for at least two of a plurality of subscriber devices associated with a subscriber; developing a holistic subscriber profile for the subscriber based on the monitored data packet traffic; selecting advertisement data for a current one of the plurality of subscriber devices based on the holistic subscriber profile and sending the selected advertising data to the current subscriber device. A system is disclosed for performing the method. A data structure is disclosed for use in performing the method.Type: GrantFiled: August 17, 2007Date of Patent: August 6, 2013Assignee: AT&T Intellectual Property I, L.P.Inventors: David Small, Canhui Ou, Raghavendra Savoor, Stephen Sposato -
Patent number: 8503419Abstract: A method controls a wireless local area network, which includes a centralized performance management controller and a plurality of network elements. The method includes determining interference between each network element and every other network element of the plurality of network elements, and populating an interference matrix identifying the interference between each combination of two network elements of the plurality of network elements. The method also includes generating an adjacency matrix based on the interference matrix indicating each combination of the two network elements of the plurality of network elements that has an unacceptable level of interference. The method further includes improving overall performance of the wireless local area network by reducing the unacceptable levels of interference indicated by the adjacency matrix.Type: GrantFiled: October 11, 2011Date of Patent: August 6, 2013Assignee: AT&T Intellectual Property I. L.P.Inventors: Raj Savoor, Canhui Ou, Jin Wang
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Patent number: 8442492Abstract: A method of operating a cellular telephone comprises presenting a user with an option of a first rule or a second rule, and accepting a selection of the first rule or the second rule. The first rule relates to a voice message, and the second rule relates to a text message. The method determines that reception is not sufficient to establish communication, and stores an address of an intended recipient. The method also stores the voice message if the first rule was selected or the text message if the second rule was selected. When reception is sufficient to establish communication, the stored message is sent to the address.Type: GrantFiled: January 31, 2008Date of Patent: May 14, 2013Assignee: AT&T Intellectual Property I, L.P.Inventors: Anthony P. Petronelli, Canhui Ou
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Patent number: 8359609Abstract: A system and method is disclosed for detecting distribution of multimedia content. The volume level of data traffic is monitored for a plurality of users to select any users with high-bandwidth usage. The time of day and the day of the week may be considered when determining whether a user is a high-bandwidth user. Upon selecting a user as one with high-bandwidth usage, such user may be subject to packet inspections of data traffic streams. In some embodiments, content identification parameters or watermarks are added to one or more packets in a data traffic stream carrying multimedia content.Type: GrantFiled: April 11, 2011Date of Patent: January 22, 2013Assignee: AT&T Intellectual Property I, L.P.Inventors: Zhi Li, Dipak Ghosal, Canhui Ou, Raghvendra Savoor
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Patent number: 8312558Abstract: A method of managing protected video content is presented that includes inspecting a packet stream received from a subscriber broadband interface, where the packet stream includes video content. The method also includes generating a signature based on the video content and comparing the generated signature with a stored signature corresponding to protected video content. In a particular embodiment, the method can include storing data indicating that the protected video content has been re-distributed from the subscriber broadband interface when the generated signature matches the stored signature.Type: GrantFiled: January 3, 2007Date of Patent: November 13, 2012Assignee: AT&T Intellectual Property I, L.P.Inventors: Dipak Ghosal, Canhui Ou, Zhi Li
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Publication number: 20120253965Abstract: A broadband residential gateway (BRG) management system has a communications interface coupled to one or more BRGs and one or more content service providers (CSPs), a memory, and a processor. The processor can be programmed to establish a content profile for each of the BRGs according to one or more attributes of the BRGs and the CSPs, receive a content access request from one or more BRGs, and supply each BRG access to selectable content from one or more of the CSPs according to the content profile.Type: ApplicationFiled: June 14, 2012Publication date: October 4, 2012Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.Inventors: Raghvendra Savoor, Steve Sposato, Canhui Ou