Synchronization method of carrier frequency and communication equipment in digital communication system
A digital communication system, carrier frequency synchronization technology, applied in the direction of synchronization devices, digital transmission systems, transmission systems, etc., can solve the problems of low precision and large system overhead, and achieve the effects of high precision, low overhead, and low computational complexity
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[0025] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0026] Referring to Fig. 1, the part on the dotted line in Fig. 1 shows a partial structural diagram of the communication device transmitter in the digital communication system of an embodiment of the present invention, here only shows the improved structural part of the present invention and its association with the prior art part. Other components of the transmitter belong to the prior art, so their diagrams and descriptions are omitted. The transmitter includes a digital modulator 1 for digitally modulating communication signals and a wireless front end 4 for sending modulated communication signals, which belong to the prior art. The present invention is characterized in that it also includes a training symbol generating device 3 that generates training symbols composed of interval impulse function sequences in the frequency domain an...
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