Sciweavers

230 search results - page 5 / 46
» Spectrum Management in Cognitive Radio Networks
Sort
View
TWC
2011
320views more  TWC 2011»
13 years 2 months ago
Cognitive Transmissions with Multiple Relays in Cognitive Radio Networks
In cognitive radio networks, each cognitive transmission process typically requires two phases: the spectrum sensing phase and data transmission phase. In this paper, we investiga...
YuLong Zou, Yu-Dong Yao, Baoyu Zheng
TON
2012
11 years 10 months ago
Power Control for Cognitive Radio Networks: Axioms, Algorithms, and Analysis
—The deployment of cognitive radio networks enables efficient spectrum sharing and opportunistic spectrum access. It also presents new challenges to the classical problem of int...
Siamak Sorooshyari, Chee Wei Tan, Mung Chiang
EJWCN
2010
157views more  EJWCN 2010»
13 years 2 months ago
Distributed Power Allocation for Parallel Broadcast Channels with Only Common Information in Cognitive Tactical Radio Networks
A tactical radio network is a radio network in which a transmitter broadcasts the same information to its receivers. In this paper, dynamic spectrum management is studied for multi...
Vincent Le Nir, Bart Scheers
GLOBECOM
2009
IEEE
14 years 2 months ago
Development Framework for Implementing FPGA-Based Cognitive Network Nodes
—This paper identifies important features a cognitive radio framework should provide, namely a virtual architecture ware abstraction, an adaptive run-time system for managing co...
Jorg Lotze, Suhaib A. Fahmy, Juanjo Noguera, Baris...
GLOBECOM
2010
IEEE
13 years 5 months ago
A Graphical Framework for Spectrum Modeling and Decision Making in Cognitive Radio Networks
There are many key problems of decision making related to spectrum occupancies in cognitive radio networks. It is known that there exist correlations of spectrum occupancies in tim...
Husheng Li, Robert C. Qiu