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    • 32. 发明授权
    • Single local oscillator sharing in multi-band Ka-band LNBS
    • 单频Ka波段LNBS中的单个本地振荡器共享
    • US09282299B2
    • 2016-03-08
    • US11546118
    • 2006-10-11
    • Kesse HoJohn Norin
    • Kesse HoJohn Norin
    • H04N7/18H04N7/20H04B1/00H04B1/18H04H40/90
    • H04N7/20H04B1/0082H04B1/18H04H40/90
    • A method, apparatus and system for sharing a local oscillator in a satellite signal delivery system is disclosed. A system in accordance with the present invention comprises a first set of satellite signals broadcast in a first frequency band, wherein the first set of satellite signals is downconverted to a first intermediate frequency band of signals, a second set of satellite signals broadcast in a second frequency band, wherein the second set of satellite signals is downconverted to a second intermediate frequency band of signals and a third intermediate frequency band of signals using the shared local oscillator, a first signal stacker for stacking the second intermediate frequency band of signals and the third intermediate frequency band of signals into a stacked signal, a second signal stacker for stacking the first intermediate frequency band of signals with the stacked signal into a delivery signal, a distribution unit, coupled to the combiner, for distributing the delivery signal to a plurality of outputs, and at least one receiver, coupled to an output of the plurality of outputs, wherein the at least one receiver processes at least the first intermediate band of signals in the delivery signal.
    • 公开了一种在卫星信号传送系统中共享本地振荡器的方法,装置和系统。 根据本发明的系统包括在第一频带中广播的第一组卫星信号,其中第一组卫星信号被下变频到信号的第一中频带,第二组卫星信号在第二频段中广播 频域,其中所述第二组卫星信号使用所述共享本地振荡器下变频到信号的第二中频带和第三中频频带;第一信号堆叠器,用于堆叠所述第二中频信号频带;以及所述第三信号 将信号的中间频带转换为堆叠信号,第二信号堆叠器,用于将具有堆叠信号的信号的第一中间频带堆叠成输送信号,耦合到组合器的分配单元,用于将输送信号分配到多个 输出和至少一个接收器,耦合到多个输出的输出,其中 n至少一个接收器至少处理传送信号中的第一中间信号频带。
    • 33. 发明授权
    • Flexible channel stacking
    • 灵活的通道堆叠
    • US09247274B2
    • 2016-01-26
    • US14154234
    • 2014-01-14
    • MaxLinear, Inc
    • Sridhar RameshCurtis LingJingnong Yang
    • H04N21/2385H04N21/61H04N7/10H04H20/63H04H40/90
    • H04N21/4383H04H20/63H04H40/90H04N7/106H04N21/2385H04N21/615
    • A receiver includes a plurality of input paths for receiving and processing a plurality of input RF signals. The input paths isolate one or more portions of corresponding ones of the received input RF signals, and combine the isolated portions of the corresponding ones of the received input RF signals onto one or more output signals. A bandwidth of the isolated portions of the corresponding ones of the received input RF signals and a bandwidth of the output signals are variable. The isolated portions of the corresponding ones of the received plurality of input RF signals are extracted and utilized to generate the output signals. The portions of the corresponding ones of the received plurality of input RF signals may be mapped into one or more channel slots in the time domain. The channel slots may be assigned in the frequency domain to one or more frequency bins.
    • 接收机包括用于接收和处理多个输入RF信号的多个输入路径。 所述输入路径隔离所接收的输入RF信号中相应的一个的一个或多个部分,并且将所接收的输入RF信号中相应的一个的隔离部分组合到一个或多个输出信号上。 所接收的输入RF信号中相应的一个的隔离部分的带宽和输出信号的带宽是可变的。 接收到的多个输入RF信号中相应的一部分的隔离部分被提取并用于产生输出信号。 所接收的多个输入RF信号中相应的部分可被映射到时域中的一个或多个信道时隙。 信道时隙可以在频域中分配给一个或多个频率仓。
    • 38. 发明申请
    • MULTI-SWITCH HAVING A DYNAMIC INPUT ASSIGNMENT
    • 具有动态输入分配的多开关
    • US20150304731A1
    • 2015-10-22
    • US14403511
    • 2013-05-22
    • Robert Bosch GmbH
    • Michael Franke
    • H04N21/61H04N21/436H04H40/90H04N21/426H04N7/20H04N7/10
    • H04N21/6143H04H40/90H04N7/106H04N7/20H04N21/4263H04N21/43615
    • A multi-switch for distributing satellite signals of different levels includes: multiple inputs for connection to controllable sources for satellite signals of the different levels; multiple outputs for connection to receivers for the satellite signals; and a switching unit for connecting outputs to inputs, the switching unit receiving requests for levels via the inputs and assigning the inputs dynamically to outputs on which the same requests were output. The switching unit outputs the requests for levels in accordance with the sequence of their arrival on unused inputs in a corresponding sequence. The requests are dynamically switched at the inputs in accordance with the requests at the outputs and are not assigned according to a predetermined scheme.
    • 用于分配不同级别的卫星信号的多开关包括:用于连接到不同级别的卫星信号的可控源的多个输入; 用于连接卫星信号的接收机的多个输出; 以及用于将输出连接到输入的切换单元,所述切换单元经由所述输入接收对电平的请求,并且将所述输入动态地分配给输出相同请求的输出。 开关单元根据其到达未使用的输入的顺序在相应的序列中输出对电平的请求。 请求根据输出端的请求在输入端动态切换,不按照预定的方案进行分配。