Ara
Toplam kayıt 30, listelenen: 21-30
Design of reed-solomon and convolutional coded OFDM system and performance analysis
(Işık Üniversitesi, 2003)
In this study, OFDM and error-correcting codes, which have an important place in digital communication systems, have been studied. Literature research has been made on OFDM and error-correcting codes like Reed-Solomon and ...
Ground plane detection using and rgb-d camera for quadcopter landing
(Işık Üniversitesi, 2013-06-04)
The purpose of this study is to build an autonomous quadcopter which is capable of automated detection of landing zones and landing. To ensure this there are important steps linked together. The first step is to build a ...
Joint modulation and space time block code classification for mimo systems
(Işık Üniversitesi, 2014-10-31)
In this thesis, the problems of modulation classification and space time block code (STBC) classification for MIMO systems are investigated. Two existing MIMO modulation type classification algorithms, an average likelihood ...
Video quality assessment using subjective and objective metrics
(Işık Üniversitesi, 2013-05-22)
Since past few years, quality assessment of digital videos has acquired a lot of attention in the video processing community, leading to the growth of different 2D and 3D objective metrics for images and videos. Some of ...
Energy and data cooperation in energy harvesting multiple access channels
(Işık Üniversitesi, 2016)
A typical wireless device is limited by its nite battery, and energy limitation is as a critical bottleneck on wireless network performance. In addition to the EM radiation caused by high power wireless devices, the ...
Channel adaptive user cooperation strategies for fading wireless channels
(Işık Üniversitesi, 2006)
In this dissertation, a channel adaptive method is proposed for a two user halfduplex cooperative communication system under the assumption of perfect channel state information at the transmitters and the receiver. An ...
Automatic speech recognition system for Turkish spoken language
(Işık Üniversitesi, 2012-06-21)
The transmission and storage of speech sounds is possible for decades. In addition by using signal processing techniques, it is also possible tp process speech signals. By using time abd frequency analysis od speech signal ...
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 ...
Partner selection and resource allocation in single-cell, multi-cell and cognitive cooperative multiple access channels
(Işık Üniversitesi, 2013-06-06)
Wireless communication has been widely used across the globe for several years. As the technology advances and gains popularity, more people start using it and more throughput is needed. For that reason, several techniques ...
Optimal and model predictive control of a quadrotor
(Işık Üniversitesi, 2020-08-21)
Quadrotors are unmanned aerial vehicles (UAVs) used widely and these vehicles have been controlled with di erent controllers, such as PID, Linear Quadratic Regulator (LQR) and, Model Predictive Control (MPC). In this study, ...