416 search results - page 48 / 84 » Outage Performance of Cognitive Wireless Relay Networks |
CISS
2008
IEEE
13 years 11 months ago
2008
IEEE
Cognitive radios permit dynamic control of physical layer resources such as transmission power and constellation size; these degrees of freedom can be employed to achieve significa...
JSAC
2011
13 years 4 months ago
2011
Abstract— Spectrum management is used to improve performance in multiuser communication system, e.g., cognitive radio or femtocell networks, where multiuser interference can lead...
ICASSP
2011
IEEE
13 years 22 days ago
2011
IEEE
Wireless networks are fundamentally limited by the intensity of the received signals and the mutual interference caused by many concurrent transmissions. We consider large wireles...
IWCMC
2009
ACM
14 years 3 months ago
2009
ACM
We derive theoretical bit and frame error rate expressions for decode-and-forward (DF) collaborative networks containing M users, employing a variety of block codes over a Rayleig...
JSAC
2010
13 years 7 months ago
2010
—Bandwidth demands and timing constraints are two major challenges for wireless video streaming applications. In this paper, we present a hybrid spatial/temporal retransmission p...