197 search results - page 36 / 40 » A cheap relaying protocol for orthogonal relay channels |
PERVASIVE
2008
Springer
13 years 7 months ago
2008
Springer
In energy constrained wireless sensor networks, energy conservation techniques are to be applied in order to maximize the system lifetime. We tackle the problem of increasing netw...
ICASSP
2010
IEEE
13 years 8 months ago
2010
IEEE
In many half-duplex cooperative systems, the direct formulation of the problem of finding the jointly optimal power and channel resource allocation that maximizes a weighted sum ...
TWC
2010
13 years 2 months ago
2010
Abstract--This letter analyzes the impact, from a networklayer perspective, of having a single cognitive radio transmitterreceiver pair share the spectrum with multiple primary use...
ESAS
2006
Springer
13 years 11 months ago
2006
Springer
Distance-bounding protocols aim to prevent an adversary from pretending that two parties are physically closer than they really are. We show that proposed distance-bounding protoco...
ICC
2009
IEEE
13 years 5 months ago
2009
IEEE
In this paper, we model the hierarchical structures inherent in cognitive radio networks as the priority queueing system in which primary users interact with the highest priority a...