2651 search results - page 20 / 531 » Mining Diversity on Networks |
194
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JSAC
2007
15 years 6 months ago
2007
Abstract— Cooperative diversity facilitates spatio-temporal communications without requiring the deployment of physical antenna arrays. While physical layer studies on cooperativ...
252
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TWC
2008
15 years 6 months ago
2008
In order to adapt to time-varying wireless channels, various channel-adaptive schemes have been proposed to exploit inherent spatial diversity in mobile/wireless ad hoc networks w...
168
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GLOBECOM
2008
IEEE
16 years 18 days 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...
184
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SECON
2007
IEEE
16 years 13 days ago
2007
IEEE
— Multiuser diversity is a phenomenon caused by channel variations among different users in a wireless network. Cooperative relaying provides another form of diversity due to the...
155
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VTC
2010
IEEE
15 years 4 months ago
2010
IEEE
— In this paper, a 2-dimensional water-filling (2D-WF) based transmit weight that maximizes the channel capacity is theoretically derived for the downlink transmit diversity of s...