Ara
Toplam kayıt 15, listelenen: 1-10
Implementation of cooperative diversity in space frequency coded OFDM system
(Işık Üniversitesi, 2007)
Wireless technology is becoming an important part of our daily life. Although earlier wireless technologies were developed to provide voice transmission which did not require large amount of bandwidth, we are now equipped ...
Ultra wideband indoor communication
(Işık Üniversitesi, 2005-07)
Ultra-wideband communication with its attractive features has received great interest from the industry and the research community. It has the potential for very high data rates with low processing powers. With its extremely ...
Performance analysis of space time transmit diversity in UMTS under presence of carrier phase offset
(Işık Üniversitesi, 2003-12)
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 ...
Design and performance analysis of a novel trellis coded space-time-frequency transmission scheme
(Işık Üniversitesi, 2004-07)
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 ...
A novel channel estimation algorithm for ultra wideband communication systems
(Işık Üniversitesi, 2005)
Ultra WideBand (UWB) is an emerging technology that is currently investigated as one viable solution for high capacity, short range wireless indoor systems. Its robustness in dense multipath environments, low cost and low ...
Construction of multivariable broadband matching networks : an integrated design tool
(Işık Üniversitesi, 2009)
One of the major problems in high frequency applications is designing matching circuits. Real frequency design of broadband matching networks is a commonly preferred approach since experimental termination data is directly ...
Insertion loss design of rf filters with mixed lumped - distributed realization
(Işık Üniversitesi, 2007)
In this study, the purpose was to develop a user friendly software tool which enables to design microwave filters with lumped circuit elements, distributed transmission lines and mixed lumped-distributed circuit elements. ...
Optimization of integer-pel motion estimation for H.264 video encoding on tms 320c6416t digital signal processor
(Işık Üniversitesi, 2007-12-03)
Video processing is used in many applications such as broadcast television and home entertainments. Video applications have been revolutionized by the advent of digital TV and DVD-video players. The standardization of video ...
Cluster based sensors scheduling in a target tracking application with particle filter method
(Işık Üniversitesi, 2006)
In multisensor applications, management of sensors is neccessary for the classification of data they produce and for the efficient use of sensors as well. One of the most important aspects in sensor management is the sensor ...
GSM and GPRS security
(Işık Üniversitesi, 2004-09)
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 ...