17932 search results - page 83 / 3587 » Wireless communications systems |
TSP
2010
13 years 4 months ago
2010
In multiple-input multiple-output (MIMO) systems, the use of many radio frequency (RF) and analog-to-digital converter (ADC) chains at the receiver is costly. Analog beamformers op...
ICWMC
2006
IEEE
14 years 4 months ago
2006
IEEE
Although directional antennas have been used in mobile communications systems for quite a long time, realistic applications of directional or smart antennas in wireless ad hoc net...
ISCC
2000
IEEE
14 years 2 months ago
2000
IEEE
In thispaper we present an adaptive technique that combines forward error correction (FEC) with channel state estimation (CSE)and automatic repeat request (ARQ)for packet loss rec...
MSWIM
2004
ACM
14 years 3 months ago
2004
ACM
In case of natural disasters or intentional attacks, telecommunication networks often get heavily damaged and current resilience schemes have proven to be insufficient for rapid r...
IPPS
2003
IEEE
14 years 3 months ago
2003
IEEE
We try to close the gap between theoretical investigations of wireless network topologies and realistic wireless environments. For point-to-point communication, we examine theoret...