9191 search results - page 276 / 1839 » P2PRealm - peer-to-peer network simulator |
180
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TSP
2010
15 years 1 months ago
2010
In this paper, an adaptive cooperation diversity scheme with best-relay selection is proposed for multiple-relay cognitive radio networks to improve the performance of secondary tr...
181
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JSAC
2011
15 years 1 months ago
2011
— In cognitive radio networks (CRNs), effective and efficient channel exploitation is imperative for unlicensed secondary users to seize available network resources and improve ...
187
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) n...
190
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
We investigate secure communications for a four-node relayeavesdropper channel with multiple data stream transmission, assuming that the eavesdropper’s channel state information...
227
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
In this paper, a novel closed-loop distributed extended orthogonal space time block code (D-EO-STBC) with one-bit feedback based on selection of phase rotation is proposed for two...