Title :
CUWB multiband adaptive pulse design based on frequency domain
Author :
Bing, Zhao ; Lili, Guo
Author_Institution :
Inf. & Commun. Eng., Harbin Eng. Univ., Harbin, China
Abstract :
Traditional ultra wide band pulse not only has low spectrum utilization, but also causes interference with existing systems easily. In order to solve the problem, a cognitive ultra wide band multiband adaptive pulse is proposed combining the advantages of cognitive radio and ultra wide band communications. First system searches the available band and divides it into several subbands. Then designs the subband pulse using finite prolate spheroidal wave functions. Finally subband pulses are combined in time domain. Simulation results show that the pulse enhances the spectrum utilization efficiency and has a strong flexibility and anti-jamming capability, can seamlessly modify waveform to achieve coexistence with existing narrowband systems.
Keywords :
cognitive radio; frequency-domain analysis; ultra wideband communication; wave functions; waveform analysis; CUWB multiband adaptive pulse design; cognitive radio; cognitive ultra wideband multiband adaptive pulse; finite prolate spheroidal wave function; frequency domain; spectrum utilization efficiency; ultra wideband communication; Adaptive systems; Bandwidth; Conferences; Interference; Signal processing; Wave functions; Wireless communication; adaptive pulse waveform; cognitive ultra wide band; multiband; prolate spheroidal wave functions;
Conference_Titel :
Signal Processing Systems (ICSPS), 2010 2nd International Conference on
Conference_Location :
Dalian
Print_ISBN :
978-1-4244-6892-8
Electronic_ISBN :
978-1-4244-6893-5
DOI :
10.1109/ICSPS.2010.5555427
