公开(公告)号：US10972789B2

公开(公告)日：2021-04-06

申请号：US16429958

申请日：2019-06-03

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

Inventor： Zhehui Zhang ,  Shu Shi ,  Rittwik Jana ,  Varun Gupta

IPC: H04N7/16 ,  H04N21/4402 ,  H04N21/434 ,  H04N21/45 ,  H04N21/414

Abstract: Aspects of the subject disclosure may include, for example, receiving, over a communication network, a plurality of requests for frames of video content to provide to a mobile device. Further embodiments can include determining a first portion of the plurality of requests are for pre-fetch frames of the video content, and providing, over the communication network, the pre-fetch frames to the mobile device over a default bearer path. Additional embodiments can include determining a second portion of the plurality of requests are for emergent frames of the video content, and providing, over the communication network, the emergent frames to the mobile device over a dedicated bearer path. Other embodiments are disclosed.

公开(公告)号：US10958586B2

公开(公告)日：2021-03-23

申请号：US16509172

申请日：2019-07-11

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

Inventor： Rittwik Jana ,  Jeffrey Erman ,  Vijay Gopalakrishnan ,  Emir Halepovic ,  Rakesh Sinha ,  Xuan Kelvin Zou

IPC: H04L12/825 ,  H04L29/08 ,  H04L12/911 ,  H04L12/835 ,  H04L29/06 ,  H04W8/02 ,  H04W24/08

Abstract: Aspects of the subject disclosure may include, for example, obtaining predicted available bandwidths for an end user device, monitoring buffer occupancy of a buffer of the end user device, determining bit rates for portions of media content according to the predicted available bandwidths and according to the buffer occupancy, and adjusting bit rates for portions of media content according to the predicted available bandwidths and according to the buffer occupancy during streaming of the media content to the end user device over a wireless network. Other embodiments are disclosed.

公开(公告)号：US20210037390A1

公开(公告)日：2021-02-04

申请号：US16527789

申请日：2019-07-31

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

Inventor： Mostafa Tofighbakhsh ,  Deva-Datta Sharma ,  Shraboni Jana ,  Bogdan Ungureanu ,  Rittwik Jana

IPC: H04W16/10 ,  H04W16/18 ,  H04W48/18 ,  H04W48/16 ,  H04L5/00

Abstract: A radio access network intelligent controller (RIC) platform can enable various highly secure, reliable, fast communications for first responders during emergency situations. The RIC can utilize radio access network (RAN) resources, for example, beam management procedures to facilitate the use of virtual zones. The virtual zones can be generated dynamically by leveraging collaborating mobile devices from various zones. The virtual zones can be distributed entities that span across real-physical zones but are managed as a single logical entity under a common set of policies. The creation and management of virtual zones can be performed by a group of corresponding RICs as a distributed system.

公开(公告)号：US10812871B2

公开(公告)日：2020-10-20

申请号：US15462468

申请日：2017-03-17

Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.

Inventor： Yih-Farn Chen ,  Rittwik Jana ,  Daniel L. Stern ,  Hailong Sun ,  Bin Wei ,  Ping-Fai Yang

IPC: H04N21/231 ,  H04N21/433 ,  H04N21/63 ,  H04N21/2385 ,  H04N21/2668 ,  H04N21/643 ,  H04N21/472 ,  H04N21/2225 ,  H04N21/81 ,  H04N21/218 ,  H04N21/2343 ,  H04N21/235 ,  H04L29/06

Abstract: A video-on-demand (VOD) server in an Internet protocol television (IPTV) network with a network of set-top boxes includes IPTV operational data and an analysis module that selects a content item. The VOD server divides the content item into sequential chunks, divides the chunks into stripes, pre-populates set-top boxes in a peering network with at least one stripe from each chunk, receives a request for the content item, and directs each set-top box to sequentially stream its stripes. A method includes selecting a content item based upon IPTV operational data, dividing the content item into sequential chunks, dividing the chunks into stripes, pre-populating set-top boxes in a peering network with at least one stripe from each chunk, receiving a request for the content item, and directing each set-top box to sequentially stream its stripes.

公开(公告)号：US10812771B1

公开(公告)日：2020-10-20

申请号：US16438697

申请日：2019-06-12

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

Inventor： Shu Shi ,  Varun Gupta ,  Rittwik Jana

IPC: H04N7/18 ,  H04N13/117 ,  H04N13/366 ,  G06T3/40 ,  G06T5/00 ,  H04N13/194

Abstract: Aspects of the subject disclosure may include, for example, obtaining image content over a communication network, determining a predicted viewpoint of a user associated with the image content, and adjusting the image content to equirectangular image content according to the predicted viewpoint. Further aspects can include downscaling the equirectangular image content according to a display capability of a mobile device resulting in a downscaled equirectangular image content, cropping the downscaled equirectangular image content resulting in a cropped equirectangular image content, and providing, over the communication network, the cropped equirectangular image content to the mobile device. Other embodiments are disclosed.

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.

公开(公告)号：US20200314821A1

公开(公告)日：2020-10-01

申请号：US16887707

申请日：2020-05-29

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

Inventor： Mostafa Tofighbakhsh ,  Bogdan Ungureanu ,  Deva-Datta Sharma ,  Rittwik Jana ,  Shraboni Jana

IPC: H04W72/04 ,  H04B7/06 ,  H04W52/42 ,  H04W16/28

Abstract: In 5G, a high degree of automated management and control mechanisms can coordinate various radios in relatively close proximity, via a zone, or in a cluster. Reactive automation coupled with hybrid algorithms utilizing internal radio states and known or expected external events or entities can enable a smart proactive 5G automation. The smart proactive 5G automation can minimize signaling between the radios and provide a hybrid distributed and centralized model utilizing a radio access network intelligent controller to increase spectrum efficiencies. Additionally, the smart proactive 5G automation can provide new service opportunities that can be offered by service providers.

公开(公告)号：US20200313736A1

公开(公告)日：2020-10-01

申请号：US16369704

申请日：2019-03-29

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

Inventor： Rittwik Jana ,  Shraboni Jana ,  Mostafa Tofighbakhsh ,  Deva-Datta Sharma ,  Bogdan Ungureanu

IPC: H04B7/0456 ,  H04B7/06 ,  H04B7/0426

Abstract: Precoding matrix computations for a large number of antenna arrays can be used to generate efficiencies within a wireless network. Utilizing network topology and context data in conjunction with known available network resources and mobile device measurements can facilitate gains in power and spectral efficiency and reduction in computation complexity posed by current procedures. To take advantage of multiple paths, the precoding matrix can be known at the radio units for each mobile device.

公开(公告)号：US10511412B2

公开(公告)日：2019-12-17

申请号：US15921364

申请日：2018-03-14

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

Inventor： Rittwik Jana ,  Ratnesh Kumbhkar ,  Arunabha Ghosh ,  Milap V. Majmundar

IPC: H04L1/16 ,  H04L1/18

Abstract: A system is enabled to perform error checking and other HARQ processes at a remote radio unit device in cloud RAN systems that have a large front haul latency. The remote radio unit device performs error checking on transmissions received from a mobile device and sends an acknowledgement (ACK) or negative acknowledgement (NACK) to the mobile device based on whether errors are found.

公开(公告)号：US10477583B2

公开(公告)日：2019-11-12

申请号：US15818174

申请日：2017-11-20

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

Inventor： Vaneet Aggarwal ,  Rittwik Jana ,  Christopher W. Rice ,  Nemmara K. Shankaranarayanan

IPC: H04W74/08 ,  H04L5/14 ,  H04L5/16 ,  H04W28/22 ,  H04W16/14 ,  H04L1/16 ,  H04W28/06 ,  H04W88/06 ,  H04W92/18 ,  H04W80/02

Abstract: Disclosed herein are systems, methods, and non-transitory computer-readable storage media for a modified MAC protocol which can facilitate communications with both full-duplex and half-duplex devices. A system configured according to the disclosed method can enable communications between an Access Point (AP) and a client in either full duplex or half duplex. The system can similarly enable peer-to-peer communications in both full duplex and half duplex communication modes.