369 search results - page 21 / 74 » A Distributed Opportunistic Access Scheme for OFDMA Systems |
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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...
SIROCCO
1998
14 years 10 months ago
1998
A distributed counter is a concurrent object which provides a fetch-and-increment operation on a shared value. On the basis of a distributed counter, one can implement various fun...
CISS
2008
IEEE
15 years 4 months ago
2008
IEEE
—The delay-limited capacity of the half-duplex relay channel is analyzed for several cooperative protocols under a long-term average total transmit power constraint. It is assume...
TWC
2008
14 years 9 months ago
2008
Abstract--In a cellular distributed antenna system (DAS), distributed antenna elements (AEs) are connected to the base station via an offline dedicated link, e.g. fiber optics or l...
TSP
2008
14 years 9 months ago
2008
A cross-layered slotted ALOHA protocol is proposed and analyzed for distributed estimation in sensor networks. Suppose that the sensors in the network record local measurements of ...