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Code shift keying impulse modulation for UWB communications
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DOI：10.1109/TWC.2008.070314.png)
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Abstract
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In this paper, the system performance of M-ary code shift keying (MCSK) impulse modulation is studied in detail and compared to M-ary pulse position modulation (MPPM) under single- and multi-user scenarios. For that, bounds on the semi-analytic symbol-error rate (SER) expressions are derived and simulation studies are conducted. When practical implementations of MCSK and MPPM are considered, it is shown that MCSK can provide about 2 dB performance gain over MPPM as it reduces the effects of multipath delays on the decision variables by randomizing locations of the transmit pulse.
Keywords:
M-ary code shift keying (MCSK)
impulse radios (IRs)
ultra wideband (UWB) communications
randomized locations of the transmit pulse
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10.7
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1.3W
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5.3W
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Spectral characteristics of M-ary code shift keying based impulse radios:: Effects of code design
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