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    • 3. 发明申请
    • SYSTEMS AND METHODS FOR INCREASING THE TRANSMISSION SPEED OF A SATELLITE VSAT
    • 提高卫星遥感影像传输速度的系统和方法
    • US20160191148A1
    • 2016-06-30
    • US14587422
    • 2014-12-31
    • Hughes Network Systems, LLC
    • Emanuel Girard HarringtonPaul E. LaCasseMohana Subhash OltikarRaymond Helfrich
    • H04B7/185
    • H04B7/18528H04B7/18517H04B7/18519H04B7/18595
    • Systems and methods are provided for increasing or decreasing the transmission speed of a VSAT used in a satellite network. A VSAT may include an ASIC and an FPGA in a transmission block of the VSAT. The ASIC includes an ASIC transmit modulator configured to modulate an input information signal, and circuitry for bypassing at least a portion of the ASIC transmit modulator. The FPGA includes circuitry for receiving a signal bypassing at least a portion of the ASIC transmit modulator, and an FPGA transmit modulator configured to modulate the bypassed signal. In implementations, the system uses the ASIC to burst format an input information signal with a payload burst segment; bypasses a transmit modulator of the ASIC after burst formatting the input information signal with the ASIC; and uses an FPGA to insert additional burst segments into the ASIC burst-formatted signal.
    • 提供了用于增加或降低在卫星网络中使用的VSAT的传输速度的系统和方法。 VSAT可以在VSAT的传输块中包括ASIC和FPGA。 ASIC包括被配置为调制输入信息信号的ASIC发送调制器和用于旁路至少一部分ASIC发送调制器的电路。 FPGA包括用于接收绕过ASIC传输调制器的至少一部分的信号的电路,以及被配置为调制旁路信号的FPGA发射调制器。 在实现中,系统使用ASIC以有效载荷突发片段突发格式化输入信息信号; 在使用ASIC突发格式化输入信息信号之后,旁路ASIC的发射调制器; 并使用FPGA将额外的突发片段插入到ASIC突发格式的信号中。