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Track state and received noise power-based mechanism for selecting demodulator processing path in spatial diversity, multi-demodulator receiver system
Track state and received noise power-based mechanism for selecting demodulator processing path in spatial diversity, multi-demodulator receiver system
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机译:基于轨道状态和接收噪声功率的空间分集,多解调器接收机系统中选择解调器处理路径的机制
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摘要
A receiver terminal has plural demodulators coupled to spatially diverse signal receiving apertures with different views of a transmitter. A controller monitors the track state of the time/frequency error tracker and received noise power of each demodulator. Timing error and frequency error measurements from whichever demodulator's time/frequency tracker exhibits the best performance, and corrected to account for the spatial diversity of the signal receiving apertures, are coupled by the controller to another demodulator to update its time/frequency tracker.
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