Title :
M-ary modulation schemes of UWB communication system based on orthogonal hermite pulses
Author :
Cheng, Rong ; Zhao, Xiao-Hui ; Yan, Xiao-Ming
Author_Institution :
Coll. of Commun. Eng., Jilin Univ., Changchun, China
Abstract :
The paper analyzes M-ary modulation schemes of time hopping ultra-wideband (TH-UWB) system. Based on the performance analysis of the two conventional multiple modulation schemes TH PPM and TH PAM, a combined modulation scheme (TH OPPM-BPSM) is analyzed. By introducing the modified Hermite polynomial (MHP) orthogonal pulses, three transmission schemes are analyzed through computer simulations under additive white Gaussian noise (AWGN) channel with mutipath effect. From the simulation results, it can be seen that the TH OPPM-BPSM system performance is similar to the TH PPM system, and better than the TH PAM system.
Keywords :
AWGN channels; multipath channels; polynomials; pulse amplitude modulation; ultra wideband communication; AWGN channel; M-ary modulation schemes; TH PAM; TH PPM; UWB communication; additive white Gaussian noise channel; combined modulation scheme; modified Hermite polynomial; multipath effect; multiple modulation schemes; orthogonal Hermite pulses; orthogonal pulse position modulation; orthogonal pulses; pulse amplitude modulation; time hopping ultrawideband system; AWGN; Bit error rate; Correlators; Fading; Modulation; Receivers; Ultra wideband communication; Hermite Polynomial; Orthogonal pulse position modulation; Pulse shape modulation; Ultra-Wideband (UWB); multiple modulation;
Conference_Titel :
Multimedia Technology (ICMT), 2011 International Conference on
Conference_Location :
Hangzhou
Print_ISBN :
978-1-61284-771-9
DOI :
10.1109/ICMT.2011.6001926
