A communication entity and a method for transmitting a video data stream
A communication entity and data flow technology, applied in the field of wireless communication, can solve problems such as not considering quality vibration, not providing efficient and fair use of resources, etc.
Pending Publication Date: 2022-01-28
HUAWEI TECH CO LTD +2
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- Application Information
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However, it does not account for mass vibrations, nor does it provide a means to utilize resources efficiently and fairly across different types of operations
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[0056] The following description is made with reference to the accompanying drawings, which are a part of this disclosure and exemplarily show specific aspects in which the present invention can be implemented. It is to be understood that other aspects may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Therefore, the following detailed description should not be taken as limiting, since the scope of the invention is defined by the appended claims.
[0057] For example, it should be understood that a disclosure related to a described method is also applicable to a corresponding device or system configured to perform the method, and vice versa. For example, if specific method steps are described, a corresponding apparatus may include means for performing the described method steps, even if such means are not explicitly described or shown in the figures. Further, it should be understood that the features of var...
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The application relates to a communication entity for transmitting a video data stream towards a user equipment (107a-c) over a communication network at a target transmission bit rate, wherein the communication entity comprises: a first scheduling instance (103) configured to determine a preliminary transmission bit rate for forwarding the video data stream towards the user equipment; and a second scheduling instance (105) configured to determine the target transmission bit rate upon the basis of the preliminary transmission bit rate and a set of video bit rates, the set of video bit rates comprising a first video bit rate and a second video bit rate, the first video bit rate being associated with a first video quality, the second video bit rate being associated with a second video quality, the first video bit rate being smaller than the second video bit rate, wherein the second scheduling instance is configured to select the preliminary transmission bit rate as the target transmission bit rate if the preliminary transmission bit rate does not exceed the first video bit rate.
Description
technical field [0001] In general, the present disclosure relates to the field of wireless communications. More specifically, the present disclosure relates to a communication entity and corresponding method for transmitting a video data stream to a user equipment over a communication network. Background technique [0002] In a typical HTTP Adaptive Streaming (HAS) system, video files are encoded at different bit rates (ie, qualities) called representations, where each representation is divided into segments of similar duration. All segments are stored in the web server and streamed to the client one by one in the quality selected by the client via subsequent HTTP requests. The HAS system does not include a specification on how the bitrate adaptation (quality selection) should be performed, but delegates the task of applying its own adaptation strategy to the client. [0003] However, all HAS clients are greedy because they are designed to achieve the highest possible Qual...
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IPC IPC(8): H04L65/612H04L65/75H04L65/80H04N21/2385
CPCH04N21/2385H04L65/80H04L65/612H04L65/762H04L65/752H04L67/02H04N21/2662H04L65/75
Inventor 迪米屈斯.提斯里曼妥思拉希德.E.埃拉祖齐艾伯特.桑尼
Owner HUAWEI TECH CO LTD