130 search results - page 10 / 26 » Information Access in Africa: Problems with Every Channel |
TIT
2008
14 years 9 months ago
2008
We consider the problem of several users transmitting packets to a base station, and study an optimal scheduling formulation involving three communication layers, namely, the mediu...
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—The problem of cooperative allocation among multiple secondary users to maximize cognitive system throughput is considered. The channel availability statistics are initi...
JSAC
2008
14 years 9 months ago
2008
Abstract--In a wireless network, with the aid of rate adaptation, multiuser diversity can be exploited by allowing the mobile user with the best channel to use the channel. However...
GLOBECOM
2009
IEEE
15 years 1 months ago
2009
IEEE
We consider a problem where two selfish cognitive radio users try to share two channels on which they each have potentially different valuations. We first formulate the problem as ...
WISEC
2009
ACM
15 years 4 months ago
2009
ACM
We address the problem of control-channel jamming attacks in multi-channel ad hoc networks. Deviating from the traditional view that sees jamming attacks as a physical-layer vulne...