Sciweavers

93 search results - page 2 / 19
» Distributed Online Frequency Assignment in Cellular Networks
Sort
View
EUROPAR
2005
Springer
13 years 11 months ago
New Bounds on the Competitiveness of Randomized Online Call Control in Cellular Networks
Abstract. We address the call control problem in wireless cellular networks that utilize Frequency Division Multiplexing (FDM) technology. In such networks, many users within the s...
Ioannis Caragiannis, Christos Kaklamanis, Evi Papa...
ADHOC
2007
113views more  ADHOC 2007»
13 years 5 months ago
Channelization for dynamic multi-frequency, multi-hop wireless cellular networks
Multi-hop relaying in cellular networks can greatly increase capacity and performance by exploiting the best available links to a base station. We envision an environment in which...
Jaesheung Shin, Raju Kumar, Parthu Kishen, Thomas ...
PIMRC
2008
IEEE
13 years 11 months ago
Double Hopping: A new approach for Dynamic Frequency Hopping in Cognitive Radio networks
—One of the major challenges in designing cellular Cognitive Radio (CR) networks is the avoidance of Secondary User (SU) interference to so called Primary Users (PUs) operating i...
Daniel Willkomm, Mathias Bohge, Daniel Hollos, Jam...
FCT
2009
Springer
13 years 10 months ago
1-Local 17/12-Competitive Algorithm for Multicoloring Hexagonal Graphs
Abstract. In the frequency allocation problem we are given a cellular telephone network whose geographical coverage area is divided into cells where phone calls are serviced by fre...
Rafal Witkowski