Pulse shaping for high data rate ultra-wideband wireless transmission under the Russian spectral emission mask

Summary This paper addresses impulse-radio ultra-wideband (IR-UWB) transmission under the Russian spectral emission mask for unlicensed UWB radio communications. Four pulse shapes are proposed and their bit error rate (BER) performance is both estimated analytically and evaluated experimentally. Well-known shapes such as the Gaussian, root-raised cosine, hyperbolic secant, and the frequency B-spline wavelet are used to form linear combinations of component pulses, shaped to make efficient use of the spectral emission mask. Analytical BER values are derived using a Nakagami-m model, and good agreement is found with the experimentally obtained BER. The proposed pulse shapes allow IR-UWB transmission with BERs below the limit for a 7% overhead forward error correction, achieving distances of up to 6.5 m at 1 Gbit/s, 4.5 m at 1.25 Gbit/s, and 1 m at 1.66‾ Gbit/s. These results confirm the viability of IR-UWB transmission under the strict regulations of the Russian spectral emission mask.

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