# MEng Electronic Engineering with Industrial Experience

Year of entry: 2021

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## Course unit details:Antennas and RF Systems

Unit code EEEN40121 15 Level 4 Semester 1 Department of Electrical & Electronic Engineering No

### Overview

The unit will cover the following:

Antenna and Propagation (9 credits)

• General introduction to antennas systems and propagation in free space.
• Antenna parameters: Antenna gain, beamwidth, bandwidth, efficiency and size.
• Polarisation: Polarisation-linear, circular and elliptic, multipath effects.
• Antenna Radiation: Near field and far fields radiation and basic antenna measurements.
• Antenna types: Multiple antennas forming arrays and array factor. Feed structures.
• Antenna modelling: High-frequency methods, FDTD, MoM.
• Propagation: Radio wave propagation and electromagnetics.

RF Systems (6 credits)

Transmission line theory, Telegrapher’s equations. The Smith Chart, ABCD parameters and S-parameters. VSWR and reflection coefficient. Circuit analysis of lumped RF and distributed microwave components. Analysis of lossless reciprocal and non-reciprocal networks. Unitary condition. Worked examples – simple matching networks quarter-wave and lumped LC. Basics of the Smith Chart.

### Pre/co-requisites

Unit title Unit code Requirement type Description
Transmissions Lines & Optical Fibres EEEN30036 Pre-Requisite Compulsory

### Aims

The course unit aims to:

1. Develop an understanding of the fundamental principles of antenna function and characteristics.
2. Develop an understanding of the key parameters affecting the propagation of electromagnetic waves in free-space.
3. Develop awareness and understanding of the available methods used to model antenna systems.
4. Examine the basic analysis techniques for RF and microwave network analysis.
5. Show how Smith Chart is used to analyse a circuit and to undertake some basic matching.

### Learning outcomes

Knowledge and understanding:

• Understanding of the key parameters when addressing the performance of antennas and the theory behind it.
• Understand the effect of antenna gain, beam width, polarisation and the nearfield & farfield radiation.
• Develop the knowledge of the main modelling techniques available to model antenna performance.
• Develop the knowledge of  the measurement procedures and equipments needed for Antennas and RF circuits
• Understand the application of the Smith Chart.

Intellectual skills:

• The ability to demonstrate knowledge of antennas used in various communication systems and their key performance parameters.
• Ability to discriminate between antennas on the basis of their electrical performance and their application.
• Identify the appropriate measurement equipment needed for a particular antenna or RF function test.
• Understand the fundamentals of using a microwave circuit simulator such as Keysight's ADS and CST Microwave Studio 3-D modelling tool.

Practical skills:

• Develop the ability to use industry standard tools such as Keysight's ADS and CST Microwave Studio for 3D EM modelling.
• Use engineering understanding to interpret modelling results.

Transferable skills personal qualities:

• The ability to work within a small group to design and build a project within an allocated time
• Appreciation of the engineering and analytical thinking on addressing and resolving practical problems
• Report writing.

### Assessment methods

Unseen Written Examination:

6 questions: 3 from "Antennas" and 3 from "RF System Analysis"

Duration, 3 hours.

Calculators are permitted.

The examination forms 70% of the unit assessment.

Coursework:

3 laboratory sessions.

Duration of each laboratory, 2 hours 50 minutes.

Two reports required; one for transmission line and matching CAD modelling and one for the antenna modelling laboratory using CST Microwave Studio.

Laboratory assessments are weighted 15% each.

Course work forms 30% of the unit assessment.

### Study hours

Scheduled activity hours
Lectures 24
Practical classes & workshops 12
Tutorials 4
Independent study hours
Independent study 110

### Teaching staff

Staff member Role
Laith Danoon Unit coordinator