4971 search results - page 84 / 995 » Observation systems |
ICASSP
2009
IEEE
13 years 5 months ago
2009
IEEE
The clipping of log-likelihood ratios (LLRs) in soft demodulators for multiple-input multiple-output (MIMO) systems with bitinterleaved coded modulation (BICM) was recently observ...
IWCMC
2006
ACM
14 years 1 months ago
2006
ACM
In an era of cooperating ad hoc networks and pervasive wireless connectivity, we are becoming more vulnerable to malicious attacks. Many of these attacks are silent in nature and ...
GLOBECOM
2009
IEEE
13 years 5 months ago
2009
IEEE
Primary user emulation attack in multichannel cognitive radio systems is discussed. An attacker is assumed to be able to send primary-user-like signals during spectrum sensing peri...
CCGRID
2009
IEEE
14 years 2 months ago
2009
IEEE
The use of today’s multicluster grids exhibits periods of submission bursts with periods of normal use and even of idleness. To avoid resource contention, many users employ obse...
ADVCS
2004
13 years 7 months ago
2004
We discuss the role of scale dependence of entropy/complexity and its relationship to component interdependence. The complexity as a function of scale of observation is expressed ...