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113
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ICASSP
2010
IEEE
15 years 2 months ago
2010
IEEE
In this paper, we propose an iteration-free algorithm to find the optimal configuration, including transmit power and source coding rates, to maximize the lifetime of a cluster ...
CORR
2010
Springer
14 years 11 months ago
2010
Springer
Sparse superposition codes are developed for the additive white Gaussian noise channel with average codeword power constraint. Codewords are linear combinations of subsets of vecto...
129
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ICC
2008
IEEE
15 years 8 months ago
2008
IEEE
—In this paper we present an analytical approach to evaluate the M-QAM bit error rate (BER) as well as channel capacity of Alamouti space time coded OFDM systems in case of direc...
FSTTCS
2005
Springer
15 years 7 months ago
2005
Springer
Abstract. This paper addresses the issue of confidentiality and declassification for global computing in a language-based security perspective. The purpose is to deal with new fo...
109
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AAECC
1997
Springer
15 years 6 months ago
1997
Springer
Various forms of the extension problem are discussed for linear codes de ned over nite rings. The extension theorem for symmetrized weight compositions over nite Frobenius rings is...