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Wireless resource allocation methods based on Big Dipper ground strengthening system
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A kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things time calibrating method and system
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A kind of broadcasting and TV frequency spectrum ultra-narrow band Internet of Things uplink frame sends system and method
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It is a kind of based on roaming communication method of the ultra-narrow with Internet of Things multiple spectra CHINA RFTCOM Co Ltd
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A kind of broadcasting and TV frequency spectrum ultra-narrow band many base station beacon recognition methods of Internet of Things
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