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公开(公告)号：US10003999B2
公开(公告)日：2018-06-19
申请号：US15248603
申请日：2016-08-26
Applicant: Huawei Technologies Co., Ltd.
IPC: H04L12/58 , H04W28/14 , H04L29/08 , H04L12/26 , H04W28/02 , H04N21/6587 , H04L12/835 , H04L12/931 , H04L29/06
CPC classification number: H04W28/14 , H04L29/08 , H04L43/16 , H04L47/30 , H04L49/355 , H04L65/4084 , H04L65/608 , H04L65/80 , H04L69/16 , H04N21/44004 , H04N21/6125 , H04N21/6587 , H04W28/0278
Abstract: A Hypertext Transfer Protocol (HTTP)-based buffer status updating method, device and a buffer status processor are provided, where the method includes, receiving an HTTP request from a terminal, triggering a buffer event according to the HTTP request, where the buffer event includes seek, pause, resume, and stream switch, and the method further includes updating a buffer status according to the buffer event, where the buffer status includes a normal play state, a play paused state, a re-buffering state, and a stream switch state. Hence, the buffer status is updated based on the buffer event in a manner of analyzing only an HTTP Protocol field such that a buffer model is closer to a real client buffer situation.
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12.发明申请Method, Apparatus, and System for Acquiring Media Service Parameter Indication 审中-公开用于获取媒体服务参数指示的方法，装置和系统公开(公告)号：US20160261726A1
公开(公告)日：2016-09-08
申请号：US15153322
申请日：2016-05-12
Applicant: Huawei Technologies Co., Ltd.
CPC classification number: H04L69/22 , H04L67/147 , H04L67/28 , H04L67/32 , H04W28/12 , H04W72/1289 , H04W76/22 , H04W88/16 , H04W92/14
Abstract: A method, an apparatus and a system for acquiring media service parameter indication are disclosed. In an embodiment the method includes acquiring, by a gateway GPRS support node (GGSN) or a packet data network gateway (PGW), a media service flow configuration parameter indication, wherein the media service flow configuration parameter indication comprises at least one of the following: a data packet sequence number, a current connection status, media information, and media play time and sending, by the GGSN or the PGW, the media service flow configuration parameter indication to a serving GPRS support node (SGSN) or a serving gateway (SGW). The method further includes sending, by the SGSN or the SGW, the media service flow configuration parameter indication to a radio access network (RAN) and acquiring, by the RAN, the media service flow configuration parameter indication.
Abstract translation: 公开了一种用于获取媒体服务参数指示的方法，装置和系统。 在一个实施例中，该方法包括由网关GPRS支持节点（GGSN）或分组数据网络网关（PGW）获取媒体服务流配置参数指示，其中媒体服务流配置参数指示包括以下中的至少一个 ：数据分组序列号，当前连接状态，媒体信息和媒体播放时间，并由GGSN或PGW将媒体服务流配置参数指示发送给服务GPRS支持节点（SGSN）或服务网关（ SGW）。 该方法还包括由SGSN或SGW将媒体业务流配置参数指示发送给无线接入网（RAN），并由RAN获取媒体业务流配置参数指示。
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Patent Agency Ranking
13.发明申请Method for Evaluating Streaming Media Transmission Quality and Obtaining Information, and Related Device and System 有权评估流媒体传输质量和获取信息的方法及相关设备和系统公开(公告)号：US20140237112A1
公开(公告)日：2014-08-21
申请号：US14261677
申请日：2014-04-25
Applicant: Huawei Technologies Co., Ltd.
Inventor： Bing Chen
IPC: H04L29/06
CPC classification number: H04L65/608 , H04L41/5067 , H04L43/0829 , H04L43/0852 , H04L43/0888 , H04L43/16 , H04L47/193 , H04L65/4084 , H04L65/602 , H04L65/80 , H04L69/16 , H04N21/44209
Abstract: A method for evaluating streaming media transmission quality is provided. Initial playback delay information is obtained, and a subjective experience variation value of a user terminal is calculated according to the initial playback delay information, so as to evaluate streaming media transmission quality. The method includes: monitoring a Transmission Control Protocol (TCP) connection established with a user terminal; obtaining initial playback delay information if it is detected that the TCP connection established with the user terminal is a streaming media service connection; and calculating a subjective experience variation value of the user terminal according to the initial playback delay information. A device for evaluating streaming media transmission quality, a method for obtaining streaming media information, and a related device and system are also provided.
Abstract translation: 提供了一种评估流媒体传输质量的方法。 获得初始重放延迟信息，并且根据初始重放延迟信息计算用户终端的主观体验变化值，以评估流媒体传输质量。 该方法包括：监视与用户终端建立的传输控制协议（TCP）连接; 如果检测到与用户终端建立的TCP连接是流媒体服务连接，则获得初始重放延迟信息; 以及根据初始重放延迟信息计算用户终端的主观体验变异值。 还提供了一种用于评估流媒体传输质量的设备，用于获得流媒体信息的方法以及相关设备和系统。
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公开(公告)号：US09774910B2
公开(公告)日：2017-09-26
申请号：US14302712
申请日：2014-06-12
Applicant: Huawei Technologies Co., Ltd.
Inventor： Bing Chen , Qingpeng Xie , Lei Zhang
IPC: H04N21/442 , H04N21/61 , H04L29/06 , H04N21/24 , H04N21/25 , H04N21/647
CPC classification number: H04N21/442 , H04L65/1069 , H04L65/1076 , H04L65/4084 , H04L65/80 , H04N21/2401 , H04N21/2407 , H04N21/251 , H04N21/6131 , H04N21/64738
Abstract: A method and an apparatus are provided for evaluating media delivery quality that relate to the field of communications technologies and that can directly reflect a variation of media delivery quality and a variation of subjective experience of a user on media play quality. A method for evaluating media delivery quality includes: receiving media data, and measuring a data amount of the media data received within the period of time; parsing the media data, and acquiring a play rate of the media data; simulating, a decoding buffer in a process of playing the media data received within the period of time, to acquire a virtual decoding buffer and acquire a size of the virtual decoding buffer; and determining, according to the size of the virtual decoding buffer, whether a pause occurs in the process of playing the media data received within the period of time.
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15.发明申请公开(公告)号：US20160294716A1
公开(公告)日：2016-10-06
申请号：US15175827
申请日：2016-06-07
Applicant: Huawei Technologies Co., Ltd.
Inventor： Bing Chen
IPC: H04L12/801 , H04L29/06
CPC classification number: H04L47/34 , H04L47/193 , H04L65/607 , H04L65/608 , H04L69/163 , H04L69/28
Abstract: A method and an apparatus for determining a buffer status of user equipment (UE), where the method includes acquiring media information of each transmission control protocol (TCP) packet sent to UE, receiving an acknowledgment packet sent by the UE, and determining, according to the acknowledgment packet and the media information of each TCP data packet, a media period of time during which data received by the UE can be continuously played.
Abstract translation: 一种用于确定用户设备（UE）的缓冲器状态的方法和装置，其中所述方法包括获取发送给UE的每个传输控制协议（TCP）分组的媒体信息，接收由所述UE发送的确认分组，并根据 对于每个TCP数据分组的确认分组和媒体信息，可以连续播放由UE接收的数据的媒体时间段。
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公开(公告)号：US09392247B2
公开(公告)日：2016-07-12
申请号：US14196997
申请日：2014-03-04
Applicant: Huawei Technologies Co., Ltd.
CPC classification number: H04N9/87 , H04N5/76 , H04N21/2401 , H04N21/44004
Abstract: Embodiments of the present invention provide a buffer state estimation method and device. The method includes: obtaining a first continuous play duration corresponding to media data received by a terminal in a period of the present state estimation; calculating a second continuous play duration corresponding to media data in a current buffer according to a buffer state before the present state estimation and the first continuous play duration; and performing state estimation on the buffer according to the buffer state before the present state estimation, preset buffer configuration parameters and the second continuous play duration, and obtaining the present buffer state and start time and duration of the present buffer state, where the buffer state includes at least one of an initial buffering state, a normal play state, a rebuffering state, a play stop state and a play pause state.
Abstract translation: 本发明的实施例提供一种缓冲状态估计方法和装置。 该方法包括：在当前状态估计的周期内获得对应于由终端接收的媒体数据的第一连续播放持续时间; 根据当前状态估计和第一连续播放持续时间之前的缓冲状态，计算与当前缓冲器中的媒体数据相对应的第二连续播放持续时间; 以及根据当前状态估计之前的缓冲状态，预设缓冲器配置参数和第二连续播放持续时间对缓冲器执行状态估计，并获得当前缓冲状态的当前缓冲状态和当前缓冲状态的开始时间和持续时间，其中缓冲状态 包括初始缓冲状态，正常播放状态，重新接受状态，播放停止状态和播放暂停状态中的至少一个。
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公开(公告)号：US20140298366A1
公开(公告)日：2014-10-02
申请号：US14302712
申请日：2014-06-12
Applicant: Huawei Technologies Co., Ltd.
Inventor： Bing Chen , Qingpeng Xie , Lei Zhang
IPC: H04N21/442 , H04N21/61
CPC classification number: H04N21/442 , H04L65/1069 , H04L65/1076 , H04L65/4084 , H04L65/80 , H04N21/2401 , H04N21/2407 , H04N21/251 , H04N21/6131 , H04N21/64738
Abstract: A method and an apparatus are provided for evaluating media delivery quality that relate to the field of communications technologies and that can directly reflect a variation of media delivery quality and a variation of subjective experience of a user on media play quality. A method for evaluating media delivery quality includes: receiving media data, and measuring a data amount of the media data received within the period of time; parsing the media data, and acquiring a play rate of the media data; simulating, a decoding buffer in a process of playing the media data received within the period of time, to acquire a virtual decoding buffer and acquire a size of the virtual decoding buffer; and determining, according to the size of the virtual decoding buffer, whether a pause occurs in the process of playing the media data received within the period of time.
Abstract translation: 提供了一种用于评估与通信技术领域相关的媒体传送质量并且可以直接反映媒体传送质量的变化以及用户对媒体播放质量的主观体验的变化的方法和装置。 用于评估媒体传送质量的方法包括：接收媒体数据，以及测量在该时间段内接收到的媒体数据的数据量; 分析媒体数据，获取媒体数据的播放速率; 模拟在一段时间内播放接收到的媒体数据的过程中的解码缓冲器，以获取虚拟解码缓冲器并获取虚拟解码缓冲器的大小; 以及根据虚拟解码缓冲器的大小，确定在播放在该时间段内接收的媒体数据的过程中是否发生暂停。
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