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公开(公告)号：US11089075B2
公开(公告)日：2021-08-10
申请号：US16287134
申请日：2019-02-27
申请人： ERICSSON AB
IPC分类号： G06F15/16 , H04L29/06 , H04W4/029 , H04N21/258 , H04N21/262 , H04N21/414 , H04N21/433 , H04N21/45 , H04N21/472 , H04N21/488 , H04N21/6543 , H04N21/845 , H04L1/00 , H04L29/08 , H04W28/02
摘要： A scheme for modulating an adaptive bitrate (ABR) streaming client engaged in a current ABR streaming session. In one implementation, a determination is made whether a wireless UE device executing the ABR streaming client is approaching a radio white spot area. If so, a video buffer of the ABR client is configured to preload lower quality video segments to last for the duration of the radio white spot area. One or more ABR client controls may be selectively deactivated while the wireless UE device is in the radio white spot area.
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公开(公告)号：US20210120103A1
公开(公告)日：2021-04-22
申请号：US17136149
申请日：2020-12-29
申请人： Ericsson AB
IPC分类号： H04L29/06 , H04L29/08 , H04N21/258 , H04N21/262 , H04N21/2662 , H04N21/854 , H04L12/927
摘要： A streaming policy management system and method wherein bandwidth may be allocated based on external device information received from a streaming client device connected to one or more external audio/video (A/V) devices. When a streaming network back office receives a request from the streaming client device for delivery of a particular content, wherein the request includes external device information of one or more external A/V devices connected to the streaming client device, a bandwidth is determined for streaming the particular content to the streaming client device and a request may be made to a content delivery network to create a distribution pipe having the bandwidth to accommodate the delivery of the particular content. A manifest file is provided to the streaming client device that includes one or more pointers that point to content segments of the particular content.
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公开(公告)号：US10142259B2
公开(公告)日：2018-11-27
申请号：US14194868
申请日：2014-03-03
申请人： ERICSSON AB
IPC分类号： G06F15/16 , H04L12/911 , H04L29/06
摘要： A scheme for managing conflict resolution in an ABR streaming environment with respect to a bandwidth pipe serving a customer premises. In one aspect, when a session request is received from a new ABR client launched in the customer premises that includes one or more existing ABR clients having corresponding streaming sessions, a bandwidth forecasting module is configured to forecast bandwidth requirements with respect to the corresponding ABR streaming sessions after accounting for a bandwidth requirement for the new ABR client's session request. A conflict may be detected if any of forecasted bandwidth requirements violates a bitrate threshold policy relative to the corresponding ABR streaming sessions and/or the new session being requested. If there is a conflict, a conflict notification message to the new ABR client is provided and the session request from the new ABR client is rejected.
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公开(公告)号：US09923763B2
公开(公告)日：2018-03-20
申请号：US14745966
申请日：2015-06-22
申请人： Ericsson AB
IPC分类号： G06F15/173 , H04L12/24 , H04L29/08 , H04L12/865 , H04L5/00 , H04L12/873 , H04L29/06 , H04L12/70
CPC分类号： H04L41/0806 , H04L5/0064 , H04L47/528 , H04L47/6275 , H04L65/4084 , H04L65/80 , H04L67/06 , H04L67/10 , H04L2012/5632 , H04M2215/22
摘要： A method for communicating content files based on destination priority includes processing a content file to determine a plurality of destination sites to which the content file is to be transmitted, assigning priority levels to the plurality of destination sites, allocating a plurality of bandwidth portions on a communication link to the plurality of destination sites, respectively, based on the priority levels assigned to the plurality of destination sites, and transmitting the content file to the plurality of destination sites using the plurality of bandwidth portions allocated to the plurality of destination on the communication link, respectively.
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公开(公告)号：US20170324676A1
公开(公告)日：2017-11-09
申请号：US15488978
申请日：2017-04-17
申请人： Ericsson AB
IPC分类号： H04L12/927 , H04N21/61 , H04N21/442 , H04N21/2662 , H04N21/24 , H04N21/2343 , H04L29/06 , H04N21/845 , H04L12/801
CPC分类号： H04L47/801 , H04L47/12 , H04L65/4069 , H04N21/23439 , H04N21/2402 , H04N21/2662 , H04N21/44209 , H04N21/6125 , H04N21/8456
摘要： A method of managing bandwidth allocation across a video pipe that delivers both streaming adaptive bitrate (ABR) content and progressive download ABR content includes receiving a designation of a congestion boundary within a video pipe, the congestion boundary designating a first percentage of the video pipe that is to be used for streaming ABR content when congestion exists on both sides of the congestion boundary, wherein a remaining percentage of the video pipe is to be used for progressive download ABR; allocating bandwidth for streaming ABR content, wherein the gateway device can allocate for streaming content only that portion of the remaining percentage of bandwidth that is not requested for progressive download content; and allocating bandwidth for progressive download content, wherein the gateway device can allocate for progressive download content only that portion of the first percentage of bandwidth that is not requested for streaming content.
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公开(公告)号：US09800912B2
公开(公告)日：2017-10-24
申请号：US15262578
申请日：2016-09-12
申请人： Ericsson AB
IPC分类号： H04N21/258 , H04L29/06 , H04N21/2343 , H04N21/24 , H04N21/61 , H04N21/845 , H04N21/6332 , H04W4/02 , H04W88/02
CPC分类号： H04N21/25841 , H04L65/4069 , H04L65/601 , H04L65/604 , H04L65/605 , H04L65/607 , H04L65/80 , H04N21/23439 , H04N21/2402 , H04N21/6131 , H04N21/6332 , H04N21/8456 , H04W4/02 , H04W88/02
摘要： A system and method that utilize a learning system to maintain a set of geographical locations indicating an area where network data coverage is poor. When it is determined that a client device is moving towards such an area, the client is forced or instructed to switch to a lower delivery bitrate for video segments in order to force the client's Adaptive Bit Rate (ABR) playback buffer to fill itself with enough low-quality video segments to enable the client to cross the area without video playback interruption. Thus, the client mobile device may be preemptively forced to choose the lowest bitrate specified in a manifest file for the delivered video segments as the bitrate for downloading video segments when approaching the poor coverage area. Hence, the client device can maintain a minimum level of Quality of Service (QoS) when moving through network areas with poor data coverage.
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7.发明授权公开(公告)号：US11451862B2
公开(公告)日：2022-09-20
申请号：US17127653
申请日：2020-12-18
申请人： ERICSSON AB
发明人： Chris Phillips , Charles Hammett Dasher , Mark Robertson , Robert Hammond Forsman , Jennifer Ann Reynolds
IPC分类号： H04N21/438 , H04L65/60 , H04N21/643 , H04N21/44 , H04N21/6373 , H04N21/845 , H04L65/70 , H04L65/612 , H04L65/75
摘要： A system and method for effectuating fast channel change in an adaptive streaming environment. A plurality of adjacent channels may be predicted relative to a current streaming channel engaged by a client device. Upon prioritizing the adjacent channels, the client device may be configured to pre-fetch metadata and initialization information for a subset of the prioritized adjacent channels based on bandwidth conditions, video player buffer status, etc. When a channel is changed, the client device is operative to use the pre-fetched data to quickly obtain encoded media content at a select bitrate for rendering.
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公开(公告)号：US10397376B2
公开(公告)日：2019-08-27
申请号：US15443031
申请日：2017-02-27
申请人： Ericsson AB
IPC分类号： G06F15/16 , H04L29/06 , H04L29/08 , H04N21/258 , H04N21/262 , H04N21/2662 , H04N21/854 , H04L12/927
摘要： A streaming policy management system and method wherein bandwidth may be allocated based on external device information received from a streaming client device connected to one or more external audio/video (A/V) devices. When a streaming network back office receives a request from the streaming client device for delivery of a particular content, wherein the request includes external device information of one or more external A/V devices connected to the streaming client device, a bandwidth is determined for streaming the particular content to the streaming client device and a request may be made to a content delivery network to create a distribution pipe having the bandwidth to accommodate the delivery of the particular content. A manifest file is provided to the streaming client device that includes one or more pointers that point to content segments of the particular content.
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公开(公告)号：US09621614B2
公开(公告)日：2017-04-11
申请号：US14811092
申请日：2015-07-28
申请人： Ericsson AB
IPC分类号： G06F15/16 , H04L29/06 , H04L29/08 , H04L12/863
CPC分类号： H04L65/602 , H04L47/623 , H04L65/4076 , H04L65/4084 , H04L67/1095
摘要： Apparatuses and methods control communication of content streams through a content distribution network. A data repository is accessed to retrieve information which identifies a group of user equipment nodes that are registered with one of a plurality of subscriber accounts and which further identifies weight values that are associated with the group of the user equipment nodes. Communication bit rates that are provided by a weighted fair queuing scheduler node to individual ones of a group of the content streams within bandwidth allocated to a virtual pipe for carrying the group of the content streams through the content distribution network to the group of the user equipment nodes, are regulated responsive to the weight values associated with the group of the user equipment nodes. Weighted fair queuing scheduling can thereby be provided at a virtual pipe level and, furthermore, at a user equipment node level.
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公开(公告)号：US20160381113A1
公开(公告)日：2016-12-29
申请号：US15262578
申请日：2016-09-12
申请人： Ericsson AB
IPC分类号： H04L29/06
CPC分类号： H04N21/25841 , H04L65/4069 , H04L65/601 , H04L65/604 , H04L65/605 , H04L65/607 , H04L65/80 , H04N21/23439 , H04N21/2402 , H04N21/6131 , H04N21/6332 , H04N21/8456 , H04W4/02 , H04W88/02
摘要： A system and method that utilize a learning system to maintain a set of geographical locations indicating an area where network data coverage is poor. When it is determined that a client device is moving towards such an area, the client is forced or instructed to switch to a lower delivery bitrate for video segments in order to force the client's Adaptive Bit Rate (ABR) playback buffer to fill itself with enough low-quality video segments to enable the client to cross the area without video playback interruption. Thus, the client mobile device may be preemptively forced to choose the lowest bitrate specified in a manifest file for the delivered video segments as the bitrate for downloading video segments when approaching the poor coverage area. Hence, the client device can maintain a minimum level of Quality of Service (QoS) when moving through network areas with poor data coverage.
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