34 search results - page 6 / 7 » Transmit Optimization for Relay-Based Cellular OFDMA Systems |
VTC
2010
IEEE
13 years 3 months ago
2010
IEEE
—Hierarchical cellular networks (HCNs), in which femtocells are deployed in the coverage of a conventional macrocell, offer a cost effective solution to achieve high user capacit...
TWC
2008
13 years 5 months ago
2008
Wireless relays extend coverage, improve spectral efciency, and enhance reliability and rates of wireless cellular communication systems. In this work, we introduce the fundamental...
TWC
2010
13 years 7 days ago
2010
In a conventional wireless cellular system, signal processing is performed on a per-cell basis; out-of-cell interference is treated as background noise. This paper considers the be...
TIT
2002
13 years 5 months ago
2002
Multiple-antenna systems that operate at high rates require simple yet effective space-time transmission schemes to handle the large traffic volume in real time. At rates of tens ...
SIGCOMM
2010
ACM
13 years 5 months ago
2010
ACM
Cellular radio communication is a significant contributor to battery energy drain on smartphones, in some cases inflating the energy cost by a factor of 5 or more compared to the ...