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Mitigating inter-symbol interference (ISI) in impulse radio is one of the challenges in achieving the high data rate potential of Ultra Wideband (UWB). Available techniques such as the use of Multiband OFDM and equalizer provide a good solution but they require complex implementation. This letter investigates and expands a newly proposed ISI reduction technique proposed in named "shift window"...
Ultra wideband (UWB) technology has been shown to possess several characteristics that are required for the next generation wireless personal area network (WPAN) applications: simple implementation, high data rate, coexistence with existing systems. This paper presents performance evaluations of the multiband OFDM (MB-OFDM) UWB system based on simulations using indoor UWB channel measurements collected...
This paper analyzes mathematically the crucial points of signal processing in a multi-band (MB) orthogonal frequency division multiplexing (OFDM) based system considering realistic ultra-wideband (UWB) channel environment. In the process of analysis, it emphasizes the significant aspects of UWB receiver design in comparison with a narrow-band system design. This is extended further with a frequency...
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