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    Priority-based tile transmission system and method for panoramic video streaming
    83.
    发明授权
    Priority-based tile transmission system and method for panoramic video streaming 有权

    公开(公告)号：US10826964B2

    公开(公告)日：2020-11-03

    申请号：US16122584

    申请日：2018-09-05

    Applicant: AT&T Intellectual Property I, L.P. ,  THE TRUSTEES OF INDIANA UNIVERSITY

    Inventor： Bo Han ,  Vijay Gopalakrishnan ,  Zhengye Liu ,  Feng Qian

    IPC: H04L29/06 ,  H04N21/845 ,  H04N19/37 ,  H04N21/81

    Abstract: 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.

    Proxy Assisted Panoramic Video Streaming at Mobile Edge
    85.
    发明申请
    Proxy Assisted Panoramic Video Streaming at Mobile Edge 审中-公开

    公开(公告)号：US20200329263A1

    公开(公告)日：2020-10-15

    申请号：US16913380

    申请日：2020-06-26

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Bo Han ,  Vijay Gopalakrishnan ,  Rittwik Jana

    IPC: H04N21/231 ,  H04N21/222 ,  H04N21/234 ,  H04N21/258 ,  H04N21/218

    Abstract: Aspects of the subject disclosure may include, for example, system for tile-based video streaming using a proxy executing at a mobile edge cloud, which adaptively offloads decoding and merging of video tiles from mobile devices to the mobile edge cloud. A processing system including the proxy communicates with a video server and a client device. The proxy receives a request for video content from a client device; the request includes historical field of view (FoV) information. The proxy predicts a client FoV, requests video tiles from the server, downloads the tiles from the server, generates a video chunk by decoding and merging the downloaded tiles, and delivers the video chunk to the client device. The client device performs local decoding and rendering of the generated video chunk. Other embodiments are disclosed.

    Controlling parallel data processing for service function chains
    86.
    发明授权
    Controlling parallel data processing for service function chains 有权

    公开(公告)号：US10805164B2

    公开(公告)日：2020-10-13

    申请号：US16221237

    申请日：2018-12-14

    Applicant: AT&T Intellectual Property I, L.P. ,  Regents of the University of Minnesota

    Inventor： Bo Han ,  Vijay Gopalakrishnan ,  Muhammad Bilal Anwer ,  Zhi-Li Zhang ,  Yang Zhang

    IPC: G06F15/173 ,  H04L12/24 ,  H04L29/12 ,  G06F9/50 ,  G06F9/455 ,  H04L12/715

    Abstract: Systems and methods are disclosed for parallelizing service function chains. A method comprises receiving a sequential service function chain comprising a plurality of network functions, receiving a plurality of operations, determining at least two network functions are capable of being parallelized, aggregating operations of the plurality of operations associated with the at least two network functions into a network function segment, determining whether another network function is capable of being parallelized with the network function segment, based on the determining: aggregating an operation associated with the another network function into the network function segment when the another network function is capable of being parallelized with the network function segment, or pushing the network function segment as a completed segment of a hybrid service function chain when the another network function is not capable of being parallelized with the network function segment, and implementing the hybrid service function chain.

    ADAPTIVE FIELD OF VIEW PREDICTION
    88.
    发明申请
    ADAPTIVE FIELD OF VIEW PREDICTION 有权

    公开(公告)号：US20200154147A1

    公开(公告)日：2020-05-14

    申请号：US16184937

    申请日：2018-11-08

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Bo Han ,  Vijay Gopalakrishnan ,  Tan Xu

    IPC: H04N21/218 ,  G06F3/01 ,  H04N19/17 ,  H04N19/597 ,  G06N20/20 ,  G06F3/0481

    Abstract: A method for streaming a 360 degree video over a communications network, wherein the video is streamed in a plurality of chunks, includes selecting a prediction window during which to predict a field of view within the video, the field of view is expected to be visible by a viewer at a time of playback of a next chunk of the video, wherein a duration of the prediction window is based on at least one condition within the communications network, selecting a machine learning algorithm to predict the field of view based on a head movement of the viewer, wherein the machine learning algorithm is selected based on the duration of the prediction window, predicting the field of view based on the head movement of the viewer and the machine learning algorithm, identifying a tile of the next chunk that corresponds to the field of view, and downloading the tile.

    Collaborative augmented reality system
    89.
    发明授权
    Collaborative augmented reality system 有权

    公开(公告)号：US10565764B2

    公开(公告)日：2020-02-18

    申请号：US15948697

    申请日：2018-04-09

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Bo Han ,  Vijay Gopalakrishnan ,  Eric Zavesky ,  Wenxiao Zhang ,  Pan Hui

    IPC: G06T13/20 ,  G06T11/60 ,  H04L29/08 ,  H04L29/06 ,  G06F3/14

    Abstract: An augmented reality device computationally processes an image frame against a first augmented reality profile stored in a local database. The first augmented reality profile includes first annotation content associated with a first object and is obtained from a second user device. In response to an object computationally processed from the first image frame satisfying a predetermined threshold of similarity with the first object in the first augmented reality profile, the first annotation content is rendered, on a display of the first user device, relative to the first object according to rendering instructions for the first annotation content.

    Network-Assisted Raft Consensus Protocol
    90.
    发明申请
    Network-Assisted Raft Consensus Protocol 审中-公开

    公开(公告)号：US20200052954A1

    公开(公告)日：2020-02-13

    申请号：US16101751

    申请日：2018-08-13

    Applicant: AT&T Intellectual Property I, L.P. ,  Regents of the University of Minnesota

    Inventor： Bo Han ,  Vijay Gopalakrishnan ,  Marco Platania ,  Zhi-Li Zhang ,  Yang Zhang

    IPC: H04L12/24 ,  H04L29/08 ,  H04L12/931

    Abstract: The concepts and technologies disclosed herein are directed to a network-assisted Raft consensus protocol, referred to herein as “NetRaft.” According to one aspect of the concepts and technologies disclosed herein, a system can include a plurality of servers operating in a server cluster, and a plurality of P4 switches corresponding to the plurality of servers. Each server of the plurality of servers can include a back-end that executes a complete Raft algorithm to perform leader election, log replication, and log commitment of a Raft consensus algorithm. Each P4 switch of the plurality of P4 switches can include a front-end that executes a partial Raft algorithm to perform the log replication and the log commitment of the Raft consensus algorithm. The back-end can maintain a complete state for responding to requests that cannot be fulfilled by the front-end. The requests can include read requests and/or write requests.

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