Adaptive pulse waveform design based on the combination of multiple PSWFs for CUWB system

被引：0
|
作者：
Broadband Communication Network Lab., Beijing University of Posts and Telecommunications, Beijing 100876, China [1 ]
机构：
来源：
Dianzi Yu Xinxi Xuebao | 2008年 / 6卷 / 1432-1436期
关键词：
Wave functions - Broadband networks;
D O I：
10.3724/sp.j.1146.2006.01574
中图分类号：
学科分类号：
摘要：
This paper introduces the operating fundament of Cognitive Ultra WideBand (CUWB) wireless communication system and gives a scheme of dynamically obtaining adaptive emission mask based on spectrum sensing to adapt to spectrum environment and be compatible with FCC spectral mask. Then, a method to generate adaptive CUWB shaping pulse is proposed based on weight combination of Prolate Spheroidal Wave Functions(PSWFs) matching UWB multiple sub-band spectral mask. The simulation results show that the pulse waveforms shaped by this method conform the spectral mask constraint for CUWB, adapt to dynamical variety of the spectral mask.
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