293 search results - page 48 / 59 » Opportunistic Multiple Access for Cognitive Radio Networks |
ICC
2009
IEEE
15 years 4 months ago
2009
IEEE
Abstract— This paper introduces two new tree-based anticollision schemes using multiple feedback symbols for uplink tag random access of emerging radio frequency identification (...
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GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—A key technology in cooperative communications is distributed space-time coding (DSTC) which achieves spatial diversity gain from multiple relays. A novel DSTC, called randomize...
CCR
2011
14 years 4 months ago
2011
Proliferation and innovation of wireless technologies require significant amounts of radio spectrum. Recent policy reforms by the FCC are paving the way by freeing up spectrum fo...
WICOMM
2008
14 years 9 months ago
2008
This paper explores the logical device aggregation of terminals in future generation networks, where the availability of several different radio access techniques is integrated by...
GLOBECOM
2008
IEEE
15 years 3 months ago
2008
IEEE
— In this paper, we propose a novel asynchronous Media Access Control (MAC) protocol, Opportunistic MAC (OMAC), for Multiple Input Multiple Output (MIMO) ad-hoc networks. The pro...