23 search results - page 3 / 5 » Increasing Power Efficiency in Transmitter Diversity Systems... |
TWC
2008
13 years 5 months ago
2008
In this paper, the problem of choosing constellation size and transmit power that minimizes the energy-per-goodbit in a frequency-flat, long-term static fading channel is considere...
TCOM
2010
13 years 4 months ago
2010
—Channel estimation at the receiver side is essential to adaptive modulation schemes, prohibiting low complexity systems from using variable rate and/or variable power transmissi...
ICC
2009
IEEE
13 years 3 months ago
2009
IEEE
During the last decade, many works were devoted to improving the performance of relaying techniques in ad hoc networks. One promising approach consists in allowing the relay nodes ...
TWC
2010
13 years 13 days ago
2010
In this paper, the training sequence design for multiple-input multiple-output (MIMO) orthogonal frequencydivision multiplexing (OFDM) systems under the minimum mean square error (...
CASES
2003
ACM
2003
ACM
A hierarchical approach for energy efficient application design using heterogeneous embedded systems
13 years 9 months ago
Several features such as reconfiguration, voltage and frequency scaling, low-power operating states, duty-cycling, etc. are exploited for latency and energy efficient application ...