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热词
    • 4. 发明公开
    • Digital Signal Reception
    • 数字信号接收
    • EP2426850A2
    • 2012-03-07
    • EP11189941.5
    • 2009-06-03
    • Sony Corporation
    • Waller, Arthur SimonStadelmeier, LotharSchill, DietmarGonzalez, Antonio Alarcon
    • H04L5/00H04L27/26
    • H04L27/2626H04L5/0007H04L5/0044H04L5/005H04L5/0092H04L25/0226H04L27/2602H04L27/2613H04L27/2647H04L27/2666H04N5/4401H04N21/2362H04N21/2383H04N21/4345H04N21/4383H04N21/4385
    • A digital signal receiver for receiving a required data stream from a digital signal carrying multiple data streams by modulation of respective frequency bands each within a respective one of a group of frequency channels, the frequency bands occupying no more than a predetermined receiver bandwidth less than or equal to the channel width;
      the digital signal carrying at respective frequency positions within each frequency channel and repeated from time to time, multiple instances of band information defining receiver parameters including at least the frequency bands corresponding to all of the data streams carried within that frequency channel, the instances being arranged so that any portion of the frequency channel equal in extent to the predetermined maximum bandwidth should include at least one instance of the band information;
      in which the data receiver is operable to align its receiver bandwidth with a channel so as to receive, from within that channel, an instance of the band information, and then in response to the received band information, to align its receiver bandwidth so as to encompass the frequency band of the required data stream.
    • 一种数字信号接收机,用于通过调制各自在一组频带中的相应一个频带内的相应频带来从承载多个数据流的数字信号接收所需数据流,所述频带占用不超过预定接收机带宽, 等于通道宽度; 数字信号携带在每个频率信道内的相应频率位置并且时常重复,限定接收机参数的频带信息的多个实例包括至少与该频率信道内携带的所有数据流对应的频带,所述实例被布置 使得频率信道的任何与预定的最大带宽相等的部分应该包括带信息的至少一个实例; 其中数据接收机可操作以将其接收机带宽与信道对齐,以便从该信道内接收该频带信息的一个实例,然后响应于接收到的频带信息来调整其接收机带宽以便 包含所需数据流的频带。