584 search results - page 37 / 117 » Fundamental limitations in control over a communication chan... |
176
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INFOCOM
2012
IEEE
13 years 8 months ago
2012
IEEE
—The opening of under-utilized spectrum creates the opportunity of substantial performance improvement through cognitive radio techniques. However, the real network performance m...
194
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MASS
2010
15 years 4 months ago
2010
Abstract--Spread spectrum techniques (e.g., Frequency Hopping (FH), Direct Sequence Spread Spectrum (DSSS)) have been widely used for anti-jamming wireless communications. Such tec...
148
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PIMRC
2008
IEEE
16 years 15 days ago
2008
IEEE
— When channel state information is available at the transmitter, we can diagonalize a MIMO channel with SVD transceivers. However, outage of the weaker eigenchannels limits the ...
163
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JSAC
2011
15 years 1 months ago
2011
This work on cognitive radio access ventures beyond the more traditional “listen-before-talk” paradigm that underlies many cognitive radio access proposals. We exploit the bi-...
153
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GLOBECOM
2008
IEEE
16 years 17 days ago
2008
IEEE
—We consider packet-by-packet rate adaptation to maximize the throughput over a finite-state Markov channel. To limit the amount of feedback data, we use past packet acknowledge...