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Toplam kayıt 7, listelenen: 1-7
A cooperative communication approach to cognitive radio
(Işık Üniversitesi, 2011-09-12)
Cognitive radio, whose main idea is to have intelligent devices utilize the linı- ited resources, such as frequency spectrum in wireless channels, is becoming a groundbreaking technology. The aim of this thesis is to apply ...
Learning to rank
(Işık Üniversitesi, 2011-04-28)
The web has grown so rapidly in the last decade and it brought the need for proper ranking. Learning to rank (LTR) is the collection of machine learning technolo- gies that construct a ranking model using training data. ...
Unsupervised morphological analysis using tries
(Işık Üniversitesi, 2011-04-29)
Morphological analysis or decomposition studies the structure, formation, function of words, identifies the morphemes (smallest meaning-bearing elements) of the language and attempts to formulate rules that model the ...
Statistical analysis of bus transportation networks for four largest cities in Turkey
(Işık Üniversitesi, 2011-06-01)
Network properties for public bus transportation networks (BTNs) of four largest cities (İstanbul, İzmir, Ankara, Bursa) in Turkey have been analyzed under C-, L- and P-Space topologies. Node degree distributions are shown ...
Compress and forward based cooperation strategies in wireless networks
(Işık Üniversitesi, 2011-09-09)
Cooperative Communications are emerging as an alternative technology to MIMO Communications. In this thesis, we first summarize information theoretical anal- ysis of known channel types and also consider three fundamental ...
Service oriented information systems development
(Işık Üniversitesi, 2011-01-18)
One can find the long standing problems with conceptııal modeling such as model transformation, reusability and agility in the classical information system development (ISD). New approaches may help in overcoming these ...
Navigation of autonomous vehicle in indoor environment
(Işık Üniversitesi, 2011)
This study investigates transforming a remote controlled vehicle into an au»tonomous vehicle which explores the environment and is able to find its own location in this unknown static indoor environment. It also constructs ...