Rotated constellation demapper for DVB-T2
Electronics Letters（2011）
Abstract
The constellation rotation and cyclic Q-delay technique has been adopted in the second generation terrestrial digital video broadcasting (DVB-T2) standard. It improves the performance under fading channels, but introduces serious complexity problems in the hardware implementation of the demapper. Presented is a simplified demapper scheme that reduces up to 31% the number of required operations with almost no performance degradation.
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Key words
digital video broadcasting,fading channels,dvb-t2 standard,cyclic q-delay,rotated constellation demapper,second generation terrestrial digital video broadcasting
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