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Fingerprint positioning is considered to be one of the most promising indoor positioning technique. The most significant technological bottleneck of fingerprint positioning technology is the high labor cost of the radio map establishing process. Many radio map fast establishing algorithms were proposed to solve this problem. There is no evaluation norm for these algorithms but positioning accuracy,...
In modern GNSS, new signal modulations are adopted to satisfy the demand for higher performance service. Based on the composite structure of Galileo E1 signals, which introduces data and pilot channels, some joint strategies are investigated for the acquisition block. Two typical algorithms are Noncoherent Combining (NCC) and Coherent Combining (CC). However, for the longer spreading sequence, the...
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