74 search results - page 7 / 15 » Optimizing Power Allocation and Matching of Cooperative Dive... |
SAC
2009
ACM
14 years 2 months ago
2009
ACM
Energy management is a critical concern in the design of embedded systems to prolong the lifetime or to maximize the performance under energy constraints. In particular, the emerg...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— We consider a wireless multiuser network where a number of source/destination pairs communicate concurrently over the same physical channel. A set of amplify-and-forward relay ...
GLOBECOM
2009
IEEE
13 years 11 months ago
2009
IEEE
We study the joint allocation of three types of resources, namely, power, subcarriers and relay nodes, in cooperative two-hop multi-relay OFDM systems. Each relay adopts the amplif...
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract— We analyze the performance of multiple-input multiple-output (MIMO) systems employing orthogonal space-time block codes (STBC) in general Nakagami-m fading channels wit...
INFOCOM
2007
IEEE
14 years 1 months ago
2007
IEEE
— The performances in cooperative communications depend on careful resource allocation such as relay selection and power control, but traditional centralized resource allocation ...