Honeycomb searching method under sampling frequency deviation effect and device
A cell search and frequency offset technology, applied in the field of cell search, which can solve problems such as increased interference, inability to perform cell search, and reduced signal level.
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[0047] now please refer to Figure 6a , which is a schematic diagram of a cabinet sorting method according to an embodiment of the present invention. The incoming signal carrier frequency is f 0 , limited by the accuracy of the client crystal oscillator, there is an error between the carrier frequency of the incoming signal and the frequency of the client crystal oscillator, and the error range is distributed in f H and f L between; that is, based on the client, the carrier frequency of the incoming signal is between f H and f L between. This interval is referred to herein as the carrier uncertainty range. According to a cabinet sorting method proposed by the present invention, it is used for a client terminal to perform signal processing of various stages of cell search on an incoming signal. Within the uncertain range of the carrier frequency of the incoming signal, it is divided into a plurality of small area cells (cells), and each area has a sub-carrier (sub-carrier...
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