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| Adaptive Pulse Waveform Design Based on the Combination of Multiple PSWFs for CUWB System |
| Chen Guo-dong; Wu Mu-qing |
| Broadband Communication Network Lab, Beijing University of Posts and Telecommunications, Beijing 100876, China |
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Abstract 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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Received: 17 October 2006
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2008, Vol. 30 
