57 search results - page 11 / 12 » Performance analysis of single relay selection in rayleigh f... |
TWC
2010
13 years 28 days ago
2010
In cognitive radio networks, a cognitive source node requires two essential phases to complete a cognitive transmission process: the phase of spectrum sensing with a certain time d...
JCM
2008
13 years 6 months ago
2008
This paper analyzes the influence of time-varying cyclic delay diversity (TV-CDD) on the channel fading correlation properties in orthogonal frequency division multiplexing (OFDM) ...
CORR
2007
Springer
13 years 6 months ago
2007
Springer
—The problem of security against packet timing based traffic analysis in wireless networks is considered in this work. An analytical measure of “anonymity” of routes in eave...
MOBIHOC
2005
ACM
14 years 5 months ago
2005
ACM
We consider a wireless sensor network in which sensors are grouped into clusters, each with its own cluster head (CH). Each CH collects data from sensors in its cluster and relays...
TON
2010
13 years 4 months ago
2010
—In this paper, we investigate the maximization of the coverage time for a clustered wireless sensor network (WSN) by optimal balancing of power consumption among cluster heads (...