公开(公告)号：US10659190B1

公开(公告)日：2020-05-19

申请号：US16285066

申请日：2019-02-25

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

Inventor： Zhengye Liu ,  Xidong Wu ,  Jin Wang ,  Bo Han

IPC: G06F15/16 ,  H04L1/00 ,  H04L29/06

Abstract: 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.

公开(公告)号：US20200128060A1

公开(公告)日：2020-04-23

申请号：US16371287

申请日：2019-04-01

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

Inventor： Bo Han ,  Sassan Pejhan ,  Vijay Gopalakrishnan

IPC: H04L29/06

Abstract: Aspects of the subject disclosure may include, for example, obtaining live video content from equipment of a media content provider, determining priority content within the live video content; segmenting the live video content into a plurality of tiles according to the priority content, and transcoding the live video content according to a type of client device. Further embodiments include determining an encoding schedule for the plurality of tiles according to the priority content, encoding the plurality of tiles according to the encoding schedule, and providing the plurality of tiles to the client device. Other embodiments are disclosed.

公开(公告)号：US20190379875A1

公开(公告)日：2019-12-12

申请号：US16001418

申请日：2018-06-06

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

Inventor： Vijay Gopalakrishnan ,  Bo Han ,  Jackson Jarrell Pair ,  Vikash Sharma ,  Feng Qian

IPC: H04N13/161 ,  H04N19/30 ,  H04N13/366

Abstract: Aspects of the subject disclosure may include, for example, identifying FOV and OOS tiles of the video content. The FOV and OOS tiles are received from a video server. The FOV and OOS tiles are encoded using AVC and a first layer of SVC, respectively. Further embodiments include providing the FOV and OOS tiles for presentation on a display, detecting a change in a field of vision, and identifying other FOV tiles of the video content, which comprise a portion of the OOS tiles. Also, embodiments include requesting the portion of the OOS tiles and receiving the portion of the OOS tiles from the video server over the communication network, which are encoded using an enhancement layer of SVC and then provided, to the display, according the enhancement layer in conjunction with the providing of the OOS tiles according to the first layer. Other embodiments are disclosed.

公开(公告)号：US20190313119A1

公开(公告)日：2019-10-10

申请号：US15949797

申请日：2018-04-10

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

Inventor： Bo Han ,  Vijay Gopalakrishnan ,  Jackson Jarrell Pair ,  Vikash Sharma

IPC: H04N19/597 ,  H04N19/174 ,  H04N5/232 ,  H04N13/161

Abstract: Aspects of the subject disclosure may include, for example, identifying a field of view (FoV) within a first frame of a video that occupies a sub-portion of the frame. A size is determined by subdividing a portion of the video according to a tiling scenario. Tiles overlapping the FoV are detected, and an updated size is determined based on an encoded version of the tiles and compared to a reference size. Responsive to the updated size being less than the reference size, the reference size is adjusted to the updated size, the tiling scenario is adjusted according to an adjusted tiling scenario, and the determining of the size is repeated based on the adjusted tiling scenario. Responsive to the updated size not being less than the reference size, a preferred tiling scenario is identified based on the adjusted tiling scenario for tiling the video. Other embodiments are disclosed.

公开(公告)号：US10432524B2

公开(公告)日：2019-10-01

申请号：US15849200

申请日：2017-12-20

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

Inventor： Bo Han ,  Muhammad Bilal Anwer ,  Vijay Gopalakrishnan ,  Aman Shaikh ,  Joshua Reich ,  Yang Zhang ,  Zhi-Li Zhang

IPC: H04L12/741 ,  G06F9/455 ,  H04L12/721 ,  H04L12/815

Abstract: The concepts and technologies disclosed herein are directed to parallelism for virtual network functions (“VNFs”) in service function chains (“SFCs”). According to one aspect, a packet processing system can receive instructions to process, in parallel, at least a portion of a plurality of data packets associated with an SFC including a plurality of VNFs. The system can create a copy of at least the portion of the data packets. The system can send the copy of at least the portion of the data packets to at least two VNFs. The at least two VNFs can process, in parallel, the copy of at least the portion of the data packets. The system can receive, from the at least two VNFs, processed packets including the copy of at least the portion of the data packets and processed, in parallel, by the at least two VNFs. The system can combine the processed packets.

公开(公告)号：US10200753B1

公开(公告)日：2019-02-05

申请号：US15830631

申请日：2017-12-04

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

Inventor： Shuai Hao ,  Bo Han ,  Moo-Ryong Ra

IPC: H04N21/442 ,  G06K9/00 ,  H04N21/462 ,  H04L29/06 ,  H04M1/725

Abstract: Aspects of the subject disclosure may include, for example, a method including detecting attention by a user to a presentation displayed at an audiovisual presentation device. A real-time image of the user is obtained and stored local to the audiovisual presentation device. The image is analyzed to determine a presence in the image of a facial feature of the user; the device determines, based on the presence of the facial feature, whether the user is attentive to the presentation. When the user is not attentive to the presentation, a procedure is initiated at the audiovisual presentation device to reduce resource consumption by the device; the procedure can include continuing the presentation at a video quality level lower than at the beginning of the presentation, reducing a brightness of the display, continuing the presentation with only the audio portion, and discontinuing the presentation. Other embodiments are disclosed.

公开(公告)号：US09854598B2

公开(公告)日：2017-12-26

申请号：US15283521

申请日：2016-10-03

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

Inventor： Lusheng Ji ,  Bo Han ,  Robert Raymond Miller, II

IPC: H04W72/12 ,  H04L5/00 ,  H04W84/12

CPC classification number: H04W72/1236 ,  H04L5/0082 ,  H04W72/1242 ,  H04W72/1257 ,  H04W84/12

Abstract: In one or more embodiments of the disclosed technology, an Access Point (AP) schedules communication traffic flows or service tasks between an Access Point (AP) and one or more member stations in a Wireless Local Area Network (WLAN). The communication traffic flows or service tasks may include both control and management flows and data traffic flows. The communication traffic flows or service tasks may include traffic flows or streams of different types, each of which may have different service intervals. The order of service tasks can be changed from cycle to cycle, randomly, by rotation, or based on historical delay records.

公开(公告)号：US20170086116A1

公开(公告)日：2017-03-23

申请号：US15368783

申请日：2016-12-05

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

Inventor： Lusheng Ji ,  Robert Raymond Miller, II ,  Bo Han

IPC: H04W36/14 ,  H04W76/02 ,  H04W72/04 ,  H04W48/18 ,  H04W28/08

CPC classification number: H04W36/14 ,  H04J11/0023 ,  H04W28/08 ,  H04W48/18 ,  H04W72/0406 ,  H04W72/042 ,  H04W76/12 ,  H04W76/16 ,  H04W84/12 ,  H04W88/06

Abstract: Improved non-cellular (e.g., Wi-Fi) link integration with a cellular (e.g., LTE) network is described. The improved link integration can relate to utilizing an eNodeB device (e.g., residing in a radio access network portion of a cellular network) as an anchor point rather than a packet data network gateway device (e.g., residing in a core network portion of the cellular network) utilized by other approaches. The improved link integration can maintain full compliance with or support for other approaches, and can reduce signaling overhead, simplify quality-of-service management, and/or provide a more rapid reaction to changes of access, particularly in cases where the eNodeB device and a non-cellular access point device are co-located.

公开(公告)号：US20170019857A1

公开(公告)日：2017-01-19

申请号：US14802508

申请日：2015-07-17

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

Inventor： Bo Han ,  Shuai Hao ,  Lusheng Ji ,  Feng Qian

IPC: H04W52/02

CPC classification number: H04W52/0251 ,  H04W52/0212 ,  H04W52/0254 ,  H04W52/028 ,  H04W88/06 ,  Y02D70/124 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/164 ,  Y02D70/26

Abstract: Energy consumption of cellular interfaces on multihomed mobile devices, such as smartphones, tablets and laptops can be improved by adjusting the inactivity timer of the cellular interface of the mobile devices based on the on/off status of non-cellular interface(s) on the mobile devices. Possible near-future data packets can be transmitted or received on the non-cellular interfaces that co-exist on the mobile devices and thus the inactivity timer of the cellular interface may be dynamically and more efficiently adjusted, based on the on/off status of non-cellular interface(s). If the non-cellular interface is available on the mobile device, then the inactivity timer can be set to be shorter than if only the cellular interface is available.

Abstract translation: 可以通过基于在移动设备上的非蜂窝接口的开/关状态来调整移动设备的蜂窝接口的不活动定时器来改善多家庭移动设备（例如智能电话，平板电脑和笔记本电脑）上的蜂窝接口的能量消耗。 移动设备。 可能的近期未来的数据分组可以在移动设备上共存的非蜂窝接口上发送或接收，从而基于蜂窝接口的开/关状态来动态地和更有效地调整蜂窝接口的不活动定时器 非蜂窝接口。 如果移动设备上的非蜂窝接口可用，那么不活动定时器可以被设置为比仅仅蜂窝接口可用时更短。

公开(公告)号：US20250056311A1

公开(公告)日：2025-02-13

申请号：US18925944

申请日：2024-10-24

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

Inventor： Shu Shi ,  Rittwik Jana ,  Bo Han ,  Bo Chen

IPC: H04W28/02 ,  A63F13/355 ,  H04L43/087 ,  H04L43/10 ,  H04L47/193 ,  H04L47/2475 ,  H04L47/283 ,  H04L67/01

Abstract: The described technology is generally directed towards a transport protocol for latency sensitive applications. The disclosed transport protocol is “semi-reliable” in that it allows for specification of an importance of data being transmitted, thereby allowing important data to be sent reliably, while other data can be dropped if necessary, e.g., under bad network conditions. A deadline can be specified for such other data, and if the other data cannot be sent prior to the deadline, it can be dropped. Furthermore, the disclosed transport protocol can allow for early discovery of network jitter. A client device can send regular acknowledgments which identify most recently received data packets as well as a number of “heartbeat transmissions” received at the client device. A server device can use the acknowledgments to discover and respond to jitter.