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ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract— We investigate adaptive modulation using the network utility maximization framework. We derive new crosslayer optimal power and rate adaptation policies for several pra...
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
—An improved SINR metric is proposed for the random beamforming scheme introduced by Sharif and Hassibi, when the channel observation used to compute the SINR is known to be nois...
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract—A person usually carries multiple authentication tokens in the form of various cards to access services electronically. Often the service outlets are equipped with a str...
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
— We consider an important performance measure of wireless sensor networks, namely, the least number of nodes, N, required to facilitate routing between any pair of nodes, allowi...
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
—In this paper, we derive the asymptotic bit error rate (BER) for multiple-input multiple-output bit-interleaved coded modulation (MIMO-BICM) with linear zero-forcing (ZF) receiv...