Teaching Responsibility
LJMU Schools involved in Delivery:
Engineering
Learning Methods
Lecture
Practical
Module Offerings
7453MWCS-JAN-CTY
Aims
To design and analyse the telecommunications systems and to critically evaluate the choices available
Learning Outcomes
1.
Critically analyse the advantages and disadvantages of different choices for the
design of a telecommunication system
2.
Design a high level transmission system to meet a particular need
3.
Critically evaluate possible technical solutions to practical issues, such as attenuation and dispersion
Module Content
Outline Syllabus:The electromagnetic spectrum and wireless radio signal transmission: frequency bands and bandwidth, Surface, Space, and Sky waves, Line of sight, Ionosphere and Tropospheric refraction, Critical frequency
Antennas: Radiation pattern and properties, Beamwidth and impedance match, Dipole, Monopole, Yagi-Uda, Computer aided design, Antennas for 5G
Electrical transmission line: lossless and lossy circuit models, Wave equations, Characteristic impedance and propagation coefficient, Attenuation and dispersion,
Reflection coefficient and its evaluation.
Optical fibres: Materials, structure, and fabrication. Modes and coupling, Scattering and absorption, Selection of wavelength and C-band, Wavelength division multiplexing.
Dispersions and compensation, Bit-rate distance product, Soliton. LED and Laser diodes: Materials and structures, Direct bandgap and photon emission, Quantum well, Stimulated emission and population inversion, Spectrum and applications.
Optical amplification: Types of amplifiers, SOA, Raman, and EDFA, Principles and structures, Pumping source and noise figure.
Modulation and photodetectors: Direct and external modulations, Digital and analogue modulation, Chirp, Sensitive volume and equivalent circuits, Photovoltaic and photoconductive, PIN and avalanche photodetectors, bandwidth and noise.
Phase locked loops: Key components, principle, and properties, Capture and lock ranges, Phase detectors and charge pumping, VCO and ring oscillators, FM modulation and demodulation, Frequency shift keying.
Additional Information:This module looks at the key components of a telecommunication system and the design issues.
UNESCO Sustainable Development Goals
1. Good Health and Wellbeing
2. Quality Education
3. Decent Work and Economic Growth
4. Industry, Innovation and Infrastructure
5. Responsible Consumption and Production
6. Partnerships for the Goals