CST – Computer Simulation Technology

Ultra-Wideband Wireless Systems: A Broad Overview
T. Kaiser, C. Senger, E. Dimitrov, M. El- Hadidy, B. Tau Sieskul
The Radio Science Bulletin
March 2007
25- 40
In recent years, the research and development for ultrawideband (UWB) wireless systems for communication, localization, and sensing have widely emerged. Nowadays, UWB has become a promising technology for high-and low-data-rrate wireless communications and accurate positioning, with a focus on indoor environements. Driven by the effiecint utilization of the electromagnetic spectrum, UWB serves as an overlay approach, and covers an unlicensed and enormously wide frequency band of several gigahertz. The aim of this contributiin is twofold: first, to givve a broad overview of UWB systems, and second, to illustrate a general framework for modulation schemes and deterministic MIMO ( multiple- input- output) channel models. Further attention is devoted to pulse shaping, antennas and propagation, munlti-band OFDM ( orthogonal frequency-division multiplexing), and localization systems.

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