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On context aware adaptation of wireless sensor network
Being mobile, the wireless sensors must adapt to the changing environment. Therefore, in the first part of this thesis we propose a mechanism to adapt the WSN... -
Contribution to learning and decision making under uncertainty for Cognitive ...
During the last century, most of the meaningful frequency bands were licensed to emerging wireless applications. Because of the static model of frequency allocation,... -
Spectrum-sharing power control with outage performance requirements and direc...
International audience -
Hybrid filter banks converters based on band-pass charge sampling filters for...
This thesis is part of a project named TEROPP (for Technologies for TERminals in OPPortunistic radio applications) sponsored by the ANR (the french National Research... -
Improvements of link performance and capacity in DSA systems
Recently, several studies initiated mainly by the Federal Communications Commission (FCC), which is charged with regulating communications by radio, television, wire,... -
Application of random matrix theory to future wireless flexible networks.
Future cognitive radio networks are expected to come as a disruptive technological advance in the currently saturated field of wireless communications. The idea behind... -
Flexible Cognitive Small-cells for Next Generation Two-tiered Networks.
In the last decade, cellular networks have been characterized by an ever-growing user data demand. This caused increasing capacity shortfall and coverage issues,... -
A joint approach for PAPR reduction and predistortion by adding signal in Cog...
International audience -
Opportunistic spectrum usage and optimal control in heterogeneous wireless ne...
The present dissertation deals with how to use the precious wireless resources that are usually wasted by under-utilization of networks. We have been particularly...
