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    • 7. 发明授权
    • Virtual channel satellite communication system with improved bandwidth efficiency
    • 虚拟通道卫星通信系统具有提高的带宽效率
    • US07231178B2
    • 2007-06-12
    • US10379018
    • 2003-03-04
    • Robert F. FriedmanJohn A. BushGreg GarnerJohn C. Thacker
    • Robert F. FriedmanJohn A. BushGreg GarnerJohn C. Thacker
    • H04B7/185
    • H04B7/18578
    • Presented is a satellite communication system that allows aggregation of available transponder bandwidth. A channel signal is divided into subchannels if no full transponder is available to receive the channel signal in its entirety, and the subchannels are distributed among a available bandwidths in a plurality of transponders. At the receiving station, the subchannels are combined to form the original channel signal. The channel signal, whether divided and reconstructed or transmitted without being divided, are received into a switch matrix that receives a user channel selection and identifies the channel signal that corresponds to the selection. The identified channel signal is then demodulated and forwarded to a user interface unit. Only a single demodulator is necessary for a user interface unit.
    • 提出了一种允许可用的转发器带宽聚合的卫星通信系统。 如果没有完整的转发器可用于全部接收信道信号,则信道信号被划分为子信道,并且子信道被分布在多个转发器中的可用带宽之间。 在接收站,子信道被组合以形成原始信道信号。 信道信号,无论是否被划分,重构或发送而不被分割,都被接收到接收用户信道选择并识别与选择对应的信道信号的交换矩阵中。 然后将所识别的信道信号解调并转发给用户接口单元。 用户界面单元只需要一个解调器。