Wireless positioning method by utilizing circulating prefix (CP)
A cyclic prefix and wireless positioning technology, which is applied in the positioning of wireless communication systems and the positioning of wireless signal communication equipment, can solve the problems of poor real-time performance and high cost of positioning, and achieve simple implementation, reduced cost, and low computational complexity Effect
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[0026] detailed description
[0027] The present invention will be further described below in conjunction with the drawings and specific embodiments:
[0028] Such as figure 1 As shown, the present invention uses wireless signals transmitted by target stations received by multiple positioning base stations for positioning. There is no communication between the target site and the positioning base station, so the base station does not know the detailed information of the signal transmitted by the target site. The target site is a site or mobile terminal that communicates via wireless means. The communication signal format of the target site has a cyclic prefix, such as LTE, wireless LAN 802.11a / g / n, and terrestrial digital broadcasting DVB-T.
[0029] Such as figure 2 As shown, the positioning base station first obtains its communication standard through information such as the frequency point and bandwidth of the target signal, and then determines the symbol length and CP length...
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