36 search results - page 7 / 8 » Opportunistic power allocation for fading channels with non-... |
ICC
2008
IEEE
14 years 6 days ago
2008
IEEE
— In this paper, we propose the novel concept of Repeat Accumulate Code Division Multiple Access (RA-CDMA), which employs unique, user-specific channel code generator matrices (...
COMCOM
2008
13 years 5 months ago
2008
Code allocation has a significant impact on the performance of Code Division Multiple Access (CDMA) systems. For the uplink direction, in 3G Wideband CDMA (WCDMA) cellular systems...
JSAC
2011
13 years 21 days ago
2011
—Opportunistic spectrum access creates the opening of under-utilized portions of the licensed spectrum for reuse, provided that the transmissions of secondary radios do not cause...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
We consider wireless networks that can be modeled by multiple access channels in which all the terminals are equipped with multiple antennas. The propagation model used to account...
SIGMETRICS
2008
ACM
13 years 5 months ago
2008
ACM
We consider a wireless collision channel, shared by a finite number of mobile users who transmit to a common base station using a random access protocol. Mobiles are selfoptimizin...