172 search results - page 28 / 35 » Joint Optimization of Power Allocation and Relay Deployment ... |
ALGOSENSORS
2009
Springer
14 years 2 months ago
2009
Springer
In this paper we consider the model of communication where wireless devices can either switch their radios off to save energy (and hence, can neither send nor receive messages), o...
CISS
2008
IEEE
13 years 9 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...
WIOPT
2010
IEEE
13 years 5 months ago
2010
IEEE
—In this paper, we explore physical layer cooperative communication in order to design network layer routing algorithms that are energy efficient. We assume each node in the net...
TMC
2012
11 years 10 months ago
2012
—This article1 presents the design of a networked system for joint compression, rate control and error correction of video over resource-constrained embedded devices based on the...
TON
2010
13 years 5 months ago
2010
—In this paper, we are interested in minimizing the delay and maximizing the lifetime of event-driven wireless sensor networks, for which events occur infrequently. In such syste...