Method and equipment for multi-frequency deviation carrier synchronization and channel evaluation
A carrier synchronization and channel estimation technology, applied in multi-carrier systems, multi-frequency code systems, shaping networks in transmitters/receivers, etc., can solve problems such as the influence of pilot sequences
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[0052] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated.
[0053] The method for multi-frequency offset carrier synchronization and channel estimation of the present invention includes:
[0054] The receiver first performs symbol synchronization on the received signal to obtain the initial position estimation of the fast Fourier transform. According to the initial position estimation of the synchronization symbol, in different systems, according to the different accuracy requirements, one of them is initialized by the method. The frequency offset value of the root antenna;
[0055] Through the method, the initialization frequency offset value is brought into the iterative process, and in each iteration, the frequency offset of each transmitting antenna relative to the receiving antenna is estimated by eliminating the influence of the estimated frequency of...
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