Institutional Repository [SANDBOX]
Technical University of Crete
EN  |  EL

Search

Browse

My Space

Synchronization techniques for non-ideal communication channels

Ziogas Alexandros

Full record


URI: http://purl.tuc.gr/dl/dias/E15F3B9C-0751-4A41-9ECF-599054DB9E81
Year 2024
Type of Item Diploma Work
License
Details
Bibliographic Citation Alexandros Ziogas, "Synchronization techniques for non-ideal communication channels", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2024 https://doi.org/10.26233/heallink.tuc.100499
Appears in Collections

Summary

This thesis investigates synchronization techniques in non-ideal wireless communication channels, also known as wideband channels. In these channels, several non-ideal conditions occur, like, for example, multipath propagation resulting into intersymbol interference, and carrier frequency offset. Thus, in order to ensure precise symbols recovery at the receiver, we must use advanced synchronization methods. The study begins with the examination of the structure of the transmitter, highlighting the creation of the symbol packets via the transmitter’s filter. Concepts such as training symbols, square root raised cosine filter, intersymbol interference and low pass equivalent of input signal are analysed in Chapter 2. In Chapter 3, the thesis delves into the characteristics of the communication channel, exploring the scenario of multipath propagation. It emphasizes the impact of delay spread, a critical parameter in multipath channels, which introduces intersymbol interference. Chapter 4 is about the operation of the receiver. Synchronization techniques are addressed in detail, including methods for estimating and correcting the Carrier Frequency Offset (CFO) and the discrete equivalent channel. Finally, in order to counteract the channel’s effects, we implement a zero-forcing equalizer, ensuring that the overall telecommunication system approximates a simple delay.

Available Files

Services

Statistics