Digital Wireless Communications

Module code: EEU44C18 · Semester: Semester 1

Resources

• Module descriptor (TCD)

Questions by Year

0 of 1 done · tick papers and add notes as you go

• 2025/26

Papers open on tcd.ie (sign in to TCD first).

Topics

• Digital communication system model and components LO1
• Complex baseband representation LO1
• Digital modulation and pulse shaping LO1, LO3
• Wireless channels: coherence time and bandwidth, scattering function, 4G/5G channel models LO2
• Orthogonal signalling and multitone (multicarrier) modulation LO3–4
• Spread spectrum LO4
• Diversity in time, frequency and space LO5
• Multiple access: TDMA, FDMA, CDMA LO5
• Energy efficiency LO6

Learning outcomes

1. Identify the building blocks of a digital communication system and design its parameters
2. Analyse and model multipath channel effects
3. Use orthogonal signalling with suitable pulse shaping
4. Discuss multicarrier and spread spectrum transmission
5. Describe channel access methods and standards, and analyse diversity reception
6. Assess the energy efficiency of communication technologies

Summarised from the module descriptor, checked November 2026.