Patents by Inventor Zhengye Liu
Zhengye Liu 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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Publication number: 20200359256Abstract: Concepts and technologies disclosed herein are directed collective intelligence-based cell congestion detection in mobile telecommunications networks. According to some aspects of the concepts and technologies disclosed herein, a core network element or device application can detect cell congestion based upon Internet layer, transport layer, and application layer data, such as, for example, traffic type, volume, rate, latency, jitter, and the like. According to one aspect disclosed herein, a cell congestion detection (“CCD”) system can collect data from an Internet layer, a transport layer, and an application layer. The CCD system can apply a machine learning algorithm to the data to determine whether the cell is congested. According to another aspect the CCD system can collect the data that is associated with a specific application executed by a plurality of UE devices connected to a cell.Type: ApplicationFiled: May 9, 2019Publication date: November 12, 2020Applicant: AT&T Intellectual Property I, L.P.Inventors: Zhengye Liu, Donglin Hu, Jin Wang
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Publication number: 20200351567Abstract: Aspects of the subject disclosure may include, for example, a machine-readable storage medium, including executable instructions that, when executed by a processing system including a processor, facilitate performance of operations that include assuming control of a video content transfer between a video server and a video client for HTTP traffic responsive to determining the HTTP traffic is for video content, generating a video transfer rate selection and a video transfer resolution selection for a requested video chunk of a time slot of the video content, generating an optimized manifest file for the requested video chunk, and publishing the optimized manifest file to the video client, wherein the video client request the requested video chunk from the video server based on the optimized manifest. Other embodiments are disclosed.Type: ApplicationFiled: July 17, 2020Publication date: November 5, 2020Applicant: AT&T Intellectual Property I, L.P.Inventors: Zhengye Liu, Xidong Wu, Jin Wang, Xiaojun Tang, Mark Brady
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Patent number: 10827211Abstract: Aspects of the subject disclosure may include, for example, a device including a processing system including a processor and a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, including monitoring network traffic to determine a transmission control protocol traffic pattern, determining a target video rate from the transmission control protocol traffic pattern, and modifying an over-the-top video delivery service network according to the target video rate. Other embodiments are disclosed.Type: GrantFiled: October 10, 2016Date of Patent: November 3, 2020Assignee: AT&T Intellectual Property I, L.P.Inventors: Zhengye Liu, Jin Wang, Yali Liu, Yongdong Zhao
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Patent number: 10826964Abstract: Aspects of the subject disclosure may include, for example, a device that includes a processing system with a processor, a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, the operations including receiving a request that identifies a first list of tiles for streaming a panoramic video, determining a first total number of data packets required to transmit tiles in the first list of tiles, maintaining a second total number of empty data packets enqueued into a transport control protocol (TCP) buffer, maintaining a third total number of empty data packets dequeued from the TCP buffer, and enqueuing empty data packets into the TCP buffer whenever the first total number of data packets is greater than a difference between the second total number of empty data packets and the third total number of empty data packets. Other embodiments are disclosed.Type: GrantFiled: September 5, 2018Date of Patent: November 3, 2020Assignees: AT&T Intellectual Property I, L.P., The Trustees of Indiana UniversityInventors: Bo Han, Vijay Gopalakrishnan, Zhengye Liu, Feng Qian
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Patent number: 10819763Abstract: Aspects of the subject disclosure may include, for example, a system that provides for obtaining, by a server comprising a processor, network parameter data from an eNodeB of a wireless network. The server can determine a predicted bandwidth for a group of end user devices in a coverage area of the eNodeB according to the network parameter data. The server can receive, from an end user device of the group of end user devices, a request for the predicted bandwidth. The server can provide the predicted bandwidth to the end user device. The providing of the predicted bandwidth enables the end user device to provide a video chunk request to a content server that is based on a selected chunk delivery schedule and facilitates streaming of video content to the end user device from the content server. Other embodiments are disclosed.Type: GrantFiled: March 31, 2017Date of Patent: October 27, 2020Assignee: AT&T Intellectual Property I, L.P.Inventors: Zhengye Liu, Zuxian Guo, Dhruv Gupta, Xiaojun Tang, Jin Wang, Weihua Ye, Yongdong Zhao
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Patent number: 10805044Abstract: Devices, computer-readable media, and methods for selecting a type of packet loss protection for a network-based communication based upon a latency estimate are disclosed. For example, a processing system including at least one processor may obtain a latency estimate for a network-based communication, determine whether the latency estimate exceeds a latency threshold for selecting a type of packet loss protection, and select, the type of packet loss protection for the network-based communication from among a first type of packet loss protection and a second type of packet loss protection based upon the determining. When the latency estimate is determined to not exceed the latency threshold, the first type of packet loss protection is selected. When the latency estimate is determined to exceed the latency threshold, the second type of packet loss protection is selected.Type: GrantFiled: February 25, 2019Date of Patent: October 13, 2020Assignee: AT&T Intellectual Property I, L.P.Inventors: Zhengye Liu, Xidong Wu, Jin Wang, Bo Han
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Publication number: 20200280392Abstract: Devices, computer-readable media, and methods for selecting a type of transmission for an immersive visual stream based upon a latency estimate. For instance, a processing system including at least one processor may obtain a latency estimate for an immersive visual stream, determine whether the latency estimate exceeds a latency threshold for selecting a type of transmission for the immersive visual stream, and select the type of transmission for the immersive visual stream from among a field of view restricted type of transmission and a field of view plus out of scene type of transmission based upon the determining. When the latency estimate is determined to not exceed the latency threshold, the field of view restricted type of transmission is selected. When the latency estimate is determined to exceed the latency threshold, the field of view plus out of scene type of transmission is selected.Type: ApplicationFiled: May 18, 2020Publication date: September 3, 2020Inventors: Zhengye Liu, Xidong Wu, Jin Wang, Bo Han
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Patent number: 10764650Abstract: Aspects of the subject disclosure may include, for example, a machine-readable storage medium, including executable instructions that, when executed by a processing system including a processor, facilitate performance of operations that include assuming control of a video content transfer between a video server and a video client for HTTP traffic responsive to determining the HTTP traffic is for video content, generating a video transfer rate selection and a video transfer resolution selection for a requested video chunk of a time slot of the video content, generating an optimized manifest file for the requested video chunk, and publishing the optimized manifest file to the video client, wherein the video client request the requested video chunk from the video server based on the optimized manifest. Other embodiments are disclosed.Type: GrantFiled: December 7, 2017Date of Patent: September 1, 2020Assignee: AT&T Intellectual Property I, L.P.Inventors: Zhengye Liu, Xidong Wu, Jin Wang, Xiaojun Tang, Mark Brady
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Publication number: 20200274641Abstract: Devices, computer-readable media, and methods for selecting a type of packet loss protection for a network-based communication based upon a latency estimate are disclosed. For example, a processing system including at least one processor may obtain a latency estimate for a network-based communication, determine whether the latency estimate exceeds a latency threshold for selecting a type of packet loss protection, and select, the type of packet loss protection for the network-based communication from among a first type of packet loss protection and a second type of packet loss protection based upon the determining. When the latency estimate is determined to not exceed the latency threshold, the first type of packet loss protection is selected. When the latency estimate is determined to exceed the latency threshold, the second type of packet loss protection is selected.Type: ApplicationFiled: February 25, 2019Publication date: August 27, 2020Inventors: Zhengye Liu, Xidong Wu, Jin Wang, Bo Han
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Publication number: 20200267425Abstract: Aspects of the subject disclosure may include, for example, selecting a set of traffic counters, wherein the traffic counters provide a profile of viewing habits of a user, and wherein the traffic counters are extracted from video streaming by the user; predicting a size of a video buffer based on the traffic counters selected; and building the video buffer based on the predicted size. Other embodiments are disclosed.Type: ApplicationFiled: May 8, 2020Publication date: August 20, 2020Applicant: AT&T Intellectual Property I, L.P.Inventors: Yali Liu, Zhengye Liu, Jin Wang
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Patent number: 10733680Abstract: A method, computer-readable storage device and apparatus for addressing a problem in a network using social media are disclosed. For example, the method receives social media data, analyzes the social media data to detect a trend for a service provided by the communication network, wherein the trend indicates a problem with the service, correlates an operational parameter of the communication network providing the service to the problem with the service and adjusts the operational parameter of the communication network to address the problem.Type: GrantFiled: April 1, 2019Date of Patent: August 4, 2020Assignee: AT&T Intellectual Property I, L.P.Inventors: Mark Brady, Zhengye Liu, Stephen A. Sposato, Jin Wang, Xidong Wu
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Publication number: 20200213636Abstract: Aspects of the subject disclosure may include, for example, a method including monitoring a video session to determine key performance indicators for cross-layer interactions between a network providing video session video data and user equipment receiving the video session video data, wherein the key performance indicators include a transmission control protocol congestion window size that corresponds to a video chunk requested by the user equipment, and a radio access network throughput of a download of the video chunk requested by the user equipment, and determining a quality of service for the user equipment during the video session according to a residual length of content in a playback buffer for the user equipment based on the transmission control protocol congestion window size, and the radio access network throughput. Other embodiments are disclosed.Type: ApplicationFiled: March 10, 2020Publication date: July 2, 2020Applicant: AT&T Intellectual Property I, L.P.Inventors: Rajarajan Sivaraj, Zhengye Liu, Jin Wang, Yali Liu
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Patent number: 10694221Abstract: Aspects of the subject disclosure may include, for example, selecting a set of traffic counters, wherein the traffic counters provide a profile of viewing habits of a user, and wherein the traffic counters are extracted from video streaming by the user; predicting a size of a video buffer based on the traffic counters selected; and building the video buffer based on the predicted size. Other embodiments are disclosed.Type: GrantFiled: March 6, 2018Date of Patent: June 23, 2020Assignee: AT&T Intellectual Property I, L.P.Inventors: Yali Liu, Zhengye Liu, Jin Wang
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Publication number: 20200195539Abstract: The described technology is generally directed towards reducing latency in a wireless communications network. Radio access network latency data corresponding to a measured latency impact criterion is obtained by a network device of a wireless network. Based on the radio access network latency data, latency guidance data usable by the radio network device to achieve a reduction in communication latency that is experienced by a user equipment is predicted, e.g., by a learned model. The latency guidance data can be used to facilitate a reduction in the communication latency that is experienced by a user equipment.Type: ApplicationFiled: December 14, 2018Publication date: June 18, 2020Inventors: Rajarajan Sivaraj, Varun Gupta, Dhruv Gupta, Rittwik Jana, Jin Wang, Laurie Bigler, Weihua Ye, Zhengye Liu
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Publication number: 20200186875Abstract: Aspects of the subject disclosure may include, for example, embodiments include obtaining video content, the video content comprises a plurality of frames, monitoring, by an image sensor, a facial feature of a user to determine a visual focus of the user in relation to the video content, and detecting from a group of frames of the plurality of frames at least a reduction in movements of objects in the group of frames. Further embodiments include determining, according to the monitoring and the detecting, a measure of attention of the user within a region of the group of frames, determining that the measure of attention of the user within the region of the group of frames satisfies a threshold, and embedding in at least a portion of subsequent frames of the plurality of frames a visual advertisement in the region via a communication device. Other embodiments are disclosed.Type: ApplicationFiled: December 7, 2018Publication date: June 11, 2020Applicant: AT&T Intellectual Property I, L.P.Inventors: Bo Han, Sassan Pejhan, Zhengye Liu
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Patent number: 10659190Abstract: Devices, computer-readable media, and methods for selecting a type of transmission for an immersive visual stream based upon a latency estimate. For instance, a processing system including at least one processor may obtain a latency estimate for an immersive visual stream, determine whether the latency estimate exceeds a latency threshold for selecting a type of transmission for the immersive visual stream, and select the type of transmission for the immersive visual stream from among a field of view restricted type of transmission and a field of view plus out of scene type of transmission based upon the determining. When the latency estimate is determined to not exceed the latency threshold, the field of view restricted type of transmission is selected. When the latency estimate is determined to exceed the latency threshold, the field of view plus out of scene type of transmission is selected.Type: GrantFiled: February 25, 2019Date of Patent: May 19, 2020Assignee: AT&T Intellectual Property I, L.P.Inventors: Zhengye Liu, Xidong Wu, Jin Wang, Bo Han
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Patent number: 10652622Abstract: Aspects of the subject disclosure may include, for example, providing media content to a presentation device, wherein the media content comprises first audio content in a first language; receiving, from an end user device, a language request, wherein the language request identifies a second language; obtaining, responsive to the second language, second audio content, wherein the second audio content is a translation of the first audio content into the second language; providing, to the end user device, the second audio content; obtaining, responsive to the second language identified in the language request, supplemental audio content, wherein the supplemental audio content is in the second language, wherein the supplemental audio content is not a translation of the first audio content into the second language, and wherein the supplemental audio content relates to the second language; and providing, to the end user device, the supplemental audio content. Other embodiments are disclosed.Type: GrantFiled: June 27, 2017Date of Patent: May 12, 2020Assignee: AT&T Intellectual Property I, L.P.Inventors: Xidong Wu, Zhengye Liu, Mario Kosseifi
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Publication number: 20200145729Abstract: Aspects of the subject disclosure may include, for example, a method comprising: obtaining media content, such as video; receiving a request from a user and/or user equipment (UE) to view the media content; identifying a predicted field of view of the user; sending the predicted field of view to the equipment of the user at a normal priority; monitoring a line of sight (or actual field of view) of the user; determining a field of view error as a difference between the line of sight and the predicted field of view; and sending the field of view error to the equipment of the user at a higher priority. Other embodiments are disclosed.Type: ApplicationFiled: January 6, 2020Publication date: May 7, 2020Applicant: AT&T Intellectual Property I, L.P.Inventors: Zhengye Liu, Jin Wang, Xidong Wu, Bo Han
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Patent number: 10645065Abstract: Concepts and technologies disclosed herein are directed to proxy-based database encryption. According to one aspect, a database encryption proxy system can receive, from a database client, input of a Structured Query Language (“SQL”) statement and data to create an encrypted database table. At least a portion of the data is marked with an encrypted identifier to identify which data is to be encrypted by the proxy-based database. The database encryption proxy system can generate a random string for the portion of the data that is marked with the encrypted identifier. The database encryption proxy system can convert the SQL statement into a converted SQL statement that includes the random string in place of the portion of the data marked with the encrypted identifier and can send the converted SQL statement to a cloud database service that is configured to create the encrypted database table based upon the converted SQL statement.Type: GrantFiled: February 28, 2017Date of Patent: May 5, 2020Assignees: AT&T Intellectual Property I, L.P., AT&T Mobility II LLCInventors: Xidong Wu, Zhengye Liu, Mario Kosseifi
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Publication number: 20200128105Abstract: Aspects of the subject disclosure may include, for example, a method comprising obtaining media content; receiving a request from equipment of a user to view the media content; identifying a predicted field of view of the user; sending a base layer of the media content to the equipment of the user using a first stream; and sending a first enhancement layer of the predicted field of view to the equipment of the user using a second stream. The first stream and the second stream may utilize different protocols, different servers, different buffer sizes, and/or a combination thereof. While the first stream may include an entire 360 degrees of the base layer of the media content, the second stream may be limited to the first enhancement layer of the predicted field of view of the media content. Other embodiments are disclosed.Type: ApplicationFiled: October 23, 2018Publication date: April 23, 2020Applicant: AT&T Intellectual Property I, L.P.Inventors: Zhengye Liu, Bo Han, Jin Wang, Xidong Wu