Frequency offset estimation method and base station
A frequency offset estimation and base station technology, applied in multi-frequency code systems, digital transmission systems, electrical components, etc., can solve the problems of long frequency offset estimation time, long frequency offset tracking time, and affecting system performance, etc., to achieve shortened frequency offset Estimated time, improving system performance, and reducing the effect of not being able to obtain frequency offset in time
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[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0029] An embodiment of the present invention provides a frequency offset estimation method, the implementation of which is as follows figure 1 As shown, it specifically includes the following operations:
[0030] S101. When the frequency offset estimation interval currently performed by the base station is incorrect or uncertain, the base station triggers the UE to send a specified Preamble;
[0031] Wherein, a specific implementation manner of S101 may be: the b...
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