780 search results - page 20 / 156 » On Using Channel Prediction in Adaptive Beamforming Systems |
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
A phase synchronizationmethod, which provides non-uniform frequency offset compensation needed for wideband OFDM [1], is coupled with low-complexity channel estimation in the time...
WOWMOM
2009
ACM
15 years 4 months ago
2009
ACM
It is well known that channel-dependent OFDMA resource assignment algorithms provide a significant performance improvement compared to static (i.e. channelunaware) approaches. Su...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
Abstract―We have been proposing multi-beam MIMO (MBMIMO) as an Evolved UTRA downlink MIMO scheme for 3GPP long term evolution (LTE). MB-MIMO is a pre-coding MIMO scheme that uses...
SIGCOMM
2010
ACM
14 years 9 months ago
2010
ACM
RSSI is known to be a fickle indicator of whether a wireless link will work, for many reasons. This greatly complicates operation because it requires testing and adaptation to fin...
SP
2008
IEEE
14 years 9 months ago
2008
IEEE
This paper presents a predictable and quantifiable approach to designing a covert communication system capable of effectively exploiting covert channels found in the various layer...