前沿讲座

CDMA-Based Network-on-Chip Design
时间:2006年1月4日(周三)上午10:00 – 11:30

Pulsed OFDM Ultra Wideband Transceivers
时间:2006年1月5日(周四)上午10:00 – 11:30

地点:张江校区微电子楼389教室

Lecturer:Prof. Gerald E. Sobelman, Dept. of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55455 USA (http://mountains.ece.umn.edu/~sobelman/)

In this talk, I will discuss the design of efficient hardware implementations for Ultra Wideband (UWB) wireless communications systems. A multi-band orthogonal frequency division multiplexing (MB-OFDM) UWB system is being considered for IEEE 802.15.3a wireless personal area networks. An enhancement to this system, named pulsed OFDM, has been proposed to further reduce the complexity and power consumption of the transceiver without sacrificing performance. Different options to implement the encoder and decoder as well as the modulator and demodulator (IFFT and FFT) will be examined. Simulations are used to choose the appropriate resolution for the analog-to-digital and digital-to-analog converters and to determine the effects of the fixed point arithmetic in the data path.

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Gerald E. Sobelman is a faculty member in Electrical and Computer Engineering at the University of Minnesota. He does research in the areas of digital VLSI circuit and system design with applications in signal processing and communications. He has authored or co-authored more than 60 technical papers and 1 book, and he holds 10 U.S. patents. He has taught short courses on VLSI design and has consulted for several companies.

 
 
 

 

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