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    • 5. 发明授权
    • Ever-decreasing network QOS requirements for stored video streaming in a mobile wireless interworking environment
    • 在移动无线互联环境中存储的视频流的不断下降的网络QOS要求
    • US07640565B2
    • 2009-12-29
    • US10518995
    • 2003-06-19
    • Junbiao ZhangJun LiKumar Ramaswamy
    • Junbiao ZhangJun LiKumar Ramaswamy
    • H04N7/18H04N7/173
    • H04L67/06H04L65/4084H04L65/80H04L67/04H04N21/238H04N21/41407H04N21/6377H04N21/658H04W28/22
    • A method for downloading and displaying a video program using a mobile terminal that includes a first radio access network having a first data transfer rate and a second radio access network having a second data transfer rate faster than the first data transfer rate. The downloaded video program is displayed at a predetermined playback rate. Excess portions of the downloaded video program that result when a rate at which the video program is downloaded exceeds the predetermined playback rate are buffered. A third data transfer rate that is lower than the first transfer rate is calculated in response to the predetermined playback rate, the buffered excess portions and the time duration of the remainder of the video program. The third data transfer rate is negotiated with the first network for downloading the video program when the difference between the first and third data transfer rates exceeds a threshold level.
    • 一种使用包括具有第一数据传送速率的第一无线电接入网络和具有比第一数据传输速率更快的第二数据传输速率的第二无线电接入网络的移动终端来下载和显示视频节目的方法。 下载的视频节目以预定的播放速度显示。 当下载的视频节目的速率超过预定播放速率时,下载的视频节目的超出部分被缓冲。 响应于预定的播放速率,缓冲的多余部分和视频节目的剩余部分的持续时间来计算低于第一传送速率的第三数据传送速率。 当第一和第三数据传输速率之间的差超过阈值电平时,第三数据传输速率与第一网络协商以下载视频节目。