introduction to wireless telecommunication systems and networks mullet

Introduction To Wireless Telecommunication Systems And Networks Mullet How To Minimize Its

The kinetic theory. Noise relative to an information signal is measured in terms of signal to noise ratio (SNR).

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Mohd DKT 211 Basic Communication Engineering En.

Mohd. Fairuz Bin Muhamad Fadzil.

This subject will cover various topics such as: Chapter 1 Introduction to Communication System, Noise and Filter Chapter 2 Amplitude Modulation - Principles, Transmitter Receiver and Schemes.

Chapter 3 Frequency Modulation - Principles, Transmission Reception.

To emphasize on the importance of modulation and demodulation of analog signals along with associated system design issues.

To introduce the student with the types of analogue and digital modulation techniques those are used in present telecommunication system.

To characterize amplitude, double-sideband and single sideband modulated waveforms in the time and the frequency domains.

Introduction To Wireless Telecommunication Systems And Networks Mullet How To Minimize Its

To study the quantization process in a pulse code modulation system in terms of how it is created and how to minimize its effect.

To study the characteristic of noise and its effect on the communications system.

To enhance the students knowledge on transmission line those are used in communication system.

Mullet, Basic Telecommunications:The Physical Layer, Thomson Learning, 2003.

Paul Young, Electronics Communications Techniques, 5th Edition, Prentice Hall, 2004.

Communication system: componentssubsystems act together to accomplish information transferexchange.

Message The physical manifestation of information as produced by the information source.

Signals A physical embodiment of information voltage signal or current signal.

Message comes from information source Information forms - audio, video, text or data.

Eg:Atmosphere (free space), coaxial cable, fiber optics, waveguide signals undergoes degradation from noise, interference and distortion.

Transducer converts the electrical signal at its input into a form desired by the system used.

One of the characteristics of the carrier signal is changed according to the variations of the modulating signal.

For ease radiation and reduction of antenna size Reduction of noise and interference Channel assignment Increase transmission speed.

Internal noise Caused by internal devicescomponents in the circuits.

External noise noise that is generated outside the circuit.

E.g. atmospheric noise,solar noise, cosmic noise, man made noise.

Occurs most often in radio systems whose receiving antennas usually intercept several signals at the same time One type of noise.

The kinetic theory.

Noise relative to an information signal is measured in terms of signal to noise ratio (SNR).