In this thesis, to model measured data obtained from an actual passive one-port device, a circuit modeling method with mixed lumped and distributed elements is proposed. Namely, measured data is modelled by means of its ...

This thesis first proposes a conputationally efficient, pilot-aided linear minimum mean square error (MMSE) batch channel estimation algorthm for the orthogonal frequency division multiplexing OFDM systems in unkonown ...

Number Portability is a very important instrument for competition in telecommunication sector. This study aims to investigate Number Portability and the solutions for constructing and managing Number Portability from the ...

A survey is conducted on 35 experienced Internet users to asset the usability of Turkish e-Commerce Web sites. The data is collected using a 28 questions survey consisting of three categories. ANOVA method is used for the ...

With the rapid growth of Internet and Internet-based information, it becomes the largest and publicly accessible data source in the world. Every day millions of information available so to achieve information becomes harder. ...

In this thesis, the following issues are discussed. Even in today society, it is hard to talk about security and privacy. And no one can imagine what will be structure of tomorrow society. We study what are the internet ...

Multi-Agent systems are an approach for designing and implementing complex social organizations in the software domain. In multi-agent systems; actors that interact with the system are modeled as software entities called ...

For the last decade, machine learning techniques have been applied to financial tasks such as portfolio management, risk assessment and stock market prediction. Among these techniques artificial neural network as a machine ...

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 ...

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 ...