【摘要】 针对室内高速无线传输环境,介绍了超宽带传输新技术。研究了UWB应用于室内无线传输时信号波形设计、调制方式、多址技术、信道特性与系统构成等方面的特点及存在的问题。通过分析比较:采用高斯信号波形,进行脉冲位置调制方式及跳时技术,UWB能够在误码率、系统实现等方面取得较好的性能。更多还原

【Abstract】 In this paper, UWB technology for high speed wireless transmission in indoor environment is introduced, and then the performance is analyzed and compared when it is applied to high-speed wireless transmission in indoor environments, including shape of impulse, modulation methods, multi-access technology, characterization of UWB channel in indoor environments, and structure of UWB communication system for time-hoping pulse position modulation(TH-PPM) method. at last, it concludes that the performance is good and realization is easy for UWB with pulse position modulation, gauss waveform and TH technology.更多还原