Radio information communication system using multi-carrier spread spectrum transmission system
作者： Hiroshi Kobayashi , Motomitsu Yano , Kazuyoshi Ozawa , Kouichiro Kamura , Hideaki Haruyama
DOI:
关键词: Types of radio emissions 、 Chirp spread spectrum 、 Physics 、 Modulation 、 Radio broadcasting 、 Electrical engineering 、 Transmission (telecommunications) 、 Amplitude modulation 、 Frequency modulation 、 Frequency-hopping spread spectrum
摘要: In a radio information communication system of this invention, at least part transmission data string is first divided into plurality bit strings when transmitted by in station on the side and carrier waves different frequencies are subjected to primary modulation strings. Then, primary-modulated secondary spread spectrum such as frequency hopping or chirp modulated obtained transmitted.
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