234 search results - page 36 / 47 » Multi-sector antenna performance in dense wireless networks |
TSP
2008
13 years 7 months ago
2008
Transmit beamforming is an energy-efficient wireless communication technique that allows a transmitter with two or more antennas to focus its bandpass signal in an intended directi...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
Synchronization of relay nodes is an important and critical issue in exploiting cooperative diversity in wireless networks. In this paper, two asynchronous cooperative diversity s...
INFOCOM
2010
IEEE
13 years 5 months ago
2010
IEEE
—In IEEE 802.22 Wireless Regional Area Networks (WRANs), each Base Station (BS) solves a complex resource allocation problem of simultaneously determining the channel to reuse, p...
VTC
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract— Though cooperative communication has been intensively examined for general wireless systems, such as mobile and ad-hoc networks, it has been almost unexplored in the ca...
JSAC
2007
13 years 7 months ago
2007
Abstract— Cooperative diversity facilitates spatio-temporal communications without requiring the deployment of physical antenna arrays. While physical layer studies on cooperativ...