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- W2043388666 abstract "Wordlength determination is an indispensable task in digital hardware implementations of signal processing algorithms because the wordlength affects power consumption and system performance. There is a tradeoff between power consumption and system performance when searching for the optimum wordlength. We have developed a technique of dynamically controlling the wordlength used in the signal processing algorithms of wireless orthogonal frequency-division multiplexing (OFDM) receivers. The receiver dynamically changes the wordlength on the basis of the conditions in the propagation environment while satisfying the user-required communication quality. That is, the system optimizes the wordlength while operating by sensing its own performance and gradually adjusting this wordlength to improve performance. Testing revealed that, for a packet error rate (PER) of 10 <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>-2</sup> , the application of this technique to an OFDM receiver reduces energy dissipation by 18.1%-30.2%." @default.
- W2043388666 created "2016-06-24" @default.
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- W2043388666 date "2008-10-01" @default.
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- W2043388666 title "Use of a Variable Wordlength Technique in an OFDM Receiver to Reduce Energy Dissipation" @default.
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- W2043388666 doi "https://doi.org/10.1109/tcsi.2008.920098" @default.
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