112 search results - page 22 / 23 » Transmit Beamforming for Frequency-Selective Channels |
TWC
2010
13 years 10 hour ago
2010
In wireless cooperative networks, the asynchronism between the relays can be a source of diversity which is similar in its essence to the multipath diversity of frequency selectiv...
TWC
2010
13 years 10 hour ago
2010
It is known that Wideband Code-Division Multiple Access (W-CDMA) networks are limited by interference more than by any other single effect. Due to the frequency selectivity of the ...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
Spectrum sensing, which aims at detecting spectrum holes, is the precondition for the implementation of cognitive radio. Collaborative spectrum sensing among the cognitive radio n...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
We consider a multi-cell MIMO downlink (network MIMO) where B base-stations (BS) with M antennas, connected to a central station (CS), transmit K messages to K singleantenna user t...
CORR
2008
Springer
13 years 5 months ago
2008
Springer
Abstract--Interference between nodes directly limits the capacity of mobile ad hoc networks. This paper focuses on spatial interference cancelation with perfect channel state infor...