High bit rate ultra-wideband OFDM

We describe a candidate high-bit rate communication system for short range networking in high performance computing clusters. The system uses a hybrid ultra-wideband orthogonal frequency division-multiplexing scheme. The transmitted signals are sparse pulse trains modulated by a frequency selected from a properly designed set of frequencies. The train itself consists of frequency modulated ultra-wide pulses. The system achieves good detection by integrating several pulses, and high throughput by transmitting frequencies in parallel. Unlike traditional orthogonal frequency division-multiplexing systems, a given tone is transmitted only during parts of the transmission interval. We provide an analysis of the system in a multipath environment and illustrate its performance in a realistic setting.

[1]  Richard E. Blahut,et al.  Theory of Remote Surveillance Algorithms , 1991 .

[2]  Paola Salmi,et al.  Link performance of an ultra wide bandwidth wireless in-home network , 2002, Proceedings ISCC 2002 Seventh International Symposium on Computers and Communications.

[3]  Jeffrey R. Foerster.  The effects of multipath interference on the performance of UWB systems in an indoor wireless channel , 2001, IEEE VTS 53rd Vehicular Technology Conference, Spring 2001. Proceedings (Cat. No.01CH37202).

[4]  P. Salmi,et al.  An interference suppressing OFDM system for ultra wide bandwidth radio channels , 2002, 2002 IEEE Conference on Ultra Wideband Systems and Technologies (IEEE Cat. No.02EX580).

[5]  Robert A. Scholtz,et al.  UWB radio deployment challenges , 2000, 11th IEEE International Symposium on Personal Indoor and Mobile Radio Communications. PIMRC 2000. Proceedings (Cat. No.00TH8525).

[6]  Moe Z. Win,et al.  Ultra-wide bandwidth time-hopping spread-spectrum impulse radio for wireless multiple-access communications , 2000, IEEE Trans. Commun..