Titlebook: Ultra-Wideband Pulse-based Radio; Reliable Communicati Wim Vereecken,Michiel Steyaert Book 2009 Springer Science+Business Media B.V. 2009 A

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Pulse-Based Wideband Radio,and are at the same time the ‘enablers’ for new technologies with odd names such as there is the . (cable-free .) and the even more remarkable ... However, things are not always as they seem to be and have to be put in perspective.

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ses..We also prove the first non-trivial lower bound for the number of random bits needed to implement such a reduction whenever the receiver sends no messages to the sender. This bound is also tight in many significant cases.

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robability converges to zero if and only if the noise probability is less than a critical value expressed in terms of the numbers of parity-checks. An alternative approach to the critical noise estimation based on the residual error-rate after each iterative revision is also discussed.

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pply this to construct computational schemes for general access structures. The size of shares each participant must have in our schemes is nearly minimal: it is equal to the minimal bound plus a piece of information whose length does not depend on the secret size but just on the security parameter.

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