210 search results - page 28 / 42 » Diversity and Multiplexing in Cooperative Wireless Cellular ... |
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
110
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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...
CORR
2010
Springer
14 years 6 months ago
2010
Springer
Perfect Space-Time Codes are optimal codes in their original construction for Multiple Input Multiple Output (MIMO) systems. Based on cyclic division algebras, they are full-rate,...
WCNC
2008
IEEE
15 years 3 months ago
2008
IEEE
— For a three user Gaussian multiple access channel (MAC), we propose a new superposition block Markov encoding based cooperation scheme. Our scheme allows the three users to sim...
92
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TIT
2008
14 years 9 months ago
2008
Abstract--Cooperative transmission protocols over fading channels are based on a number of relaying nodes to form virtual multiantenna transmissions. Diversity provided by these te...