北京邮电大学学报 ›› 2004, Vol. 27 ›› Issue (4): 13-17.
基于正交小波的超宽带无线通信多址接入方式——波分多址
朱雪田, 邓天乐, 周 正
- 北京邮电大学 电信工程学院, 北京 100876
Waveform Division Multiple Access Based on the
Orthogonal Wavelet for Ultra-Wideband Impulse
Radio Multiple-Access Communication
ZHU Xue-tian, DEN G Tian-le, ZHOU Zheng
- A new ul tra-wideba nd UWB multiple-access scheme, wav eform divi sion multiple access WDM A based o n the orthog onalwavelet function sha pes, is presented. In this new scheme, the scaling functionO t and the wavelet functio n j t a re desig ned as UWB pulses, which are uni fo rmly di st ributed to the users to reali ze mul tiple access. Theoretical analysis and simulatio n results show that o ur WDMA UWB sy stem has la rg er capaci ty than the tradi tional TH-PPM timehopping-pulse po sition modulatio n and DS-BPM di rect sequence-bi-po larity modulatio n .