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    • 8. 发明申请
    • APPARATUS AND METHOD FOR PRE-PROCESSING ON LAYER 2 IN DIGITAL BROADCASTING RECEIVING DEVICE
    • 在数字广播接收设备中对层2进行预处理的装置和方法
    • US20080209295A1
    • 2008-08-28
    • US12033530
    • 2008-02-19
    • Dong-jo Kim
    • Dong-jo Kim
    • G06F11/00
    • H04N19/89H04N21/4385H04N21/64315H04N21/8455
    • A method of correcting an error in a transport stream (TS), and a digital broadcasting receiving method are provided. The TS is transmitted from a physical layer. It is determined whether a pointer included in the TS has an error. The pointer is corrected if it is determined that the pointer has an error. It is determined whether a frame buffer value is correct. The frame buffer value is corrected if it is determined that the frame buffer value is not correct. In the TS error correcting method, a pointer error or an erroneous frame buffer value existing in a TS is corrected before the TS is transmitted to an upper layer (e.g., a link layer), and IP data can be transmitted to the upper layer. Accordingly, performance degradation due to Doppler shift can be addressed.
    • 提供了一种校正传输流(TS)中的错误的方法和数字广播接收方法。 TS从物理层发送。 确定包括在TS中的指针是否具有错误。 如果确定指针有错误,则指针被校正。 确定帧缓冲器值是否正确。 如果确定帧缓冲器值不正确,则校正帧缓冲器值。 在TS错误校正方法中,在将TS发送到上层(例如,链路层)之前校正在TS中存在的指针错误或错误的帧缓冲器值,并且可以将IP数据发送到上层。 因此,可以解决由于多普勒频移引起的性能下降。