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    • 2. 发明公开
    • SIGNAL RECEPTION MULTI-TUNER SYSTEM AND CORRESPONDING METHOD
    • MEHRFACHTUNER-SIGNALEMPFANGSSYSTEM UND ENTSPRECHENDES VERFAHREN
    • EP2764628A1
    • 2014-08-13
    • EP12762012.8
    • 2012-09-25
    • Thomson Licensing
    • LOUCHKOFF, MarcFOUQUE, ClaudePESIN, Anthony
    • H04B1/10
    • H04J1/12H04B1/109
    • A Multi-tuner reception system includes at least a first tuner and a second tuner. The first tuner is adapted to translate a frequency of a first received signal into a first translated frequency. The first tuner includes a first local oscillator operating at a first local oscillator frequency. The second tuner is adapted to translate a frequency of a second received signal into a second translated frequency. The second tuner includes a second local oscillator operating at a second local oscillator frequency. The second local oscillator frequency is equal to a sum of the first local oscillator frequency and a continually time variable offset frequency.
    • 多调谐器接收系统至少包括第一调谐器和第二调谐器。 第一调谐器适于将第一接收信号的频率转换为第一转换频率。 第一调谐器包括以第一本机振荡器频率工作的第一本地振荡器。 第二调谐器适于将第二接收信号的频率转换为第二转换频率。 第二调谐器包括以第二本机振荡器频率工作的第二本地振荡器。 第二本地振荡器频率等于第一本地振荡器频率和连续时间可变偏移频率的和。
    • 9. 发明公开
    • APPARATUS AND METHOD FOR COMBINING CORE AND ENHANCED LAYER PIPES IN LAYERED DIVISIONAL MULTIPLEXING
    • 分层分区复用中组合核心和增强层管的装置和方法
    • EP3244585A1
    • 2017-11-15
    • EP16305557.7
    • 2016-05-12
    • Thomson Licensing
    • FONTAINE, LoïcPESIN, Anthony
    • H04L27/26
    • H04L27/2697H04L27/2626H04L27/2647
    • The present disclosure relates to the combination of one or more core and enhanced physical layer pipes in layered divisional multiplexing (LDM) for use in digital television systems. In one example, a core layer with at least one physical layer pipe is provided. An enhanced layer with at least one physical layer pipe is also provided. The core layer and the enhanced layer are combined to provide a layered division multiplexed signal. The layer division multiplexed signal is time interleaved to provide a time interleaved signal for transmission. Furthermore, a layered division multiplexing frame is formed before the time interleaving of the layered division multiplexed signal by the time interleaver for grouping the at least one physical layer pipe of the core layer with at least one corresponding physical layer pipe of the enhanced layer.
    • 本公开涉及在分层分区多路复用(LDM)中用于数字电视系统中的一个或多个核心和增强物理层管道的组合。 在一个示例中,提供了具有至少一个物理层管道的核心层。 还提供了具有至少一个物理层管道的增强层。 核心层和增强层被组合以提供分层分割多路复用信号。 层分复用信号被时间交织以提供用于传输的时间交织信号。 此外,在用于将核心层的至少一个物理层管道与增强层的至少一个对应物理层管道分组的时间交织器对分层分割复用信号进行时间交织之前形成分层分割复用帧。