346 search results - page 18 / 70 » Location-dependent performance of cooperative networks with ... |
TSP
2010
13 years 2 months ago
2010
Wireless amplify-and-forward relay networks in which the source communicates with the relays and destination in the first phase and the relays forward signals to the destination in...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper addresses the problem of beamforming (BF) design for orthogonal frequency division multiplexing (OFDM) based relay networks over frequency-selective channels. Both freq...
TWC
2010
13 years 2 months ago
2010
We consider a multiuser two-way relay network where multiple pairs of users exchange information with the assistance of a relay node, using orthogonal channels per pair. For a vari...
MOBICOM
2009
ACM
14 years 1 months ago
2009
ACM
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
INFOCOM
2003
IEEE
14 years 21 days ago
2003
IEEE
—We consider dynamic routing and power allocation for a wireless network with time-varying channels. The network consists of power constrained nodes that transmit over wireless l...