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Design and performance analysis of a novel trellis coded space-time-frequency transmission scheme
(Işık Üniversitesi, 2004)
This work is concerned with a transmitter diversity technique for wireless communications over frequency selective fading channels. The proposed technique utilizes orthogonal frequency division multiplexing (OFDM) to ...
Performance analysis of space time transmit diversity in UMTS under presence of carrier phase offset
(Işık Üniversitesi, 2003)
The reguirements for the next generation of mobile communication systems are primarily driven by the explosive growth of worldwide mobile communication subscribers. Additionaly, 3G systems will allow various of new services ...
Implementation of a fixed cellular terminal with mobile phone
(Işık Üniversitesi, 2002)
The thesis reports the design and realization of a fixed cellular terminal (FCT) device which works with a mobile phone as a GSM Module. The design is emphasized at the structure not to be complex and suitable to be used ...
Decision making and yarsoy decision support tool
(Işık Üniversitesi, 2002)
Every human makes decisions in the course of his interactions with the world and other human acting in the world. To make good decisions, we need knowledge about events that occur in the world and preferences we have. ...
Design and implementation of a low cost telematic control system
(Işık Üniversitesi, 2002)
The thesis explains phases from ideation to concretize of a device that aims to solve continuously increase security needs in everyday life more effective, more reliable and cheaper way; however the device has so many ...
GSM and GPRS security
(Işık Üniversitesi, 2004)
In this thesis study, today's popular mobile voice (GSM) and data (GPRS) communication technologies (as an intorduction) and their security were studied. GSM arhitecture, key components of the GSM, security fonctions, and ...
Prosodic, morphological and lexical feature extraction of turkish broadcast news data
(Işık Üniversitesi, 2014-06-05)
Sentence segmentation from speech is part of a process that aims at enriching the unstructured stream of words that are the output of standard speech recognizers. Its role is to find the sentence units in this stream of ...
Wavelet based image coding and interpolation
(Işık Üniversitesi, 2009)
The need of higher resolution on imaging systems and displays increases everyday. Data rates and bandwidth are still limited to satisfy the demands of enhanced resolutions. So, we should develop intelligent enhancement ...
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 ...
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 ...
