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Process of synchronization in the time and frequency domain of multiple equipments in a transmission system with OFDM modulation
Process of synchronization in the time and frequency domain of multiple equipments in a transmission system with OFDM modulation
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机译:具有OFDM调制的传输系统中多个设备的时域和频域同步过程
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摘要
A system for determining a frequency error of an orthogonal frequency division multiplexing (OFDM) signal having a first frequency. The system includes a plurality of filters configured to output a plurality of second signals, each of the plurality of second signals corresponding to a respective one of a plurality of different frequency bands of the OFDM signal. Each of the plurality of second signals includes a corresponding synchronization symbol associated with the OFDM signal. A Fourier transform circuit is configured to receive the plurality of second signals from each of the plurality of filters and output the plurality of second signals. The system is configured to determine the frequency error of the OFDM signal based on the synchronization symbols of the plurality of second signals.
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