SAW chirp Fourier transform for MB-OFDM UWB receiver  

作　　者：HE Peng-fei LUE Ying-hua ZHANG Hong-xin WANG Ye-qiu XU Yong 

机构地区：[1]Institute of Telecommunication and Network Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China

出　　处：《The Journal of China Universities of Posts and Telecommunications》2006年第3期1-4,共4页中国邮电高校学报（英文版）

基　　金：This study is supported by National Natural Science Foundation of China(60271018);0pen Fund of Key Lab of 0ptical Communication and Light-wave Technology,(Beijing University of Posts and Telecommunications),Ministry of Education,China.

摘　　要：In the conventional multiband orthogonal frequency division multiplexing ultra wideband （MB-OFDM UWB ） receiver, the fast Fourier transform （FFT） algorithm is realized by the expensive and power-consuming digital signal processor （DSP） chips. In this article, the lower power, lower cost, and lower complexity real-time analog surface acoustic wave （SAW） chirp Fourier transform devices were used to replace the DSP part. A MB-OFDM UWB receiver based on the M-C-M SAW chirp Fourier transform was presented, and the step of signal transformation from input signals was also depicted. The simulation results show that the proposed receiver provides similar bit error performance compared to the fully digital receiver when used in the channel environments proposed by the IEEE 802.15SG3a.In the conventional multiband orthogonal frequency division multiplexing ultra wideband （MB-OFDM UWB ） receiver, the fast Fourier transform （FFT） algorithm is realized by the expensive and power-consuming digital signal processor （DSP） chips. In this article, the lower power, lower cost, and lower complexity real-time analog surface acoustic wave （SAW） chirp Fourier transform devices were used to replace the DSP part. A MB-OFDM UWB receiver based on the M-C-M SAW chirp Fourier transform was presented, and the step of signal transformation from input signals was also depicted. The simulation results show that the proposed receiver provides similar bit error performance compared to the fully digital receiver when used in the channel environments proposed by the IEEE 802.15SG3a.

关 键 词：MB-OFDM UWB SAW chirp Fourier transform 

分 类 号：TN911.72[电子电信—通信与信息系统]