10 interview questions and answers on 6G THz

Here’s a list of questions and answers about the 6G THz. This guide can help you prepare for job interviews for 6G THz skill requirements.

List of 10 6G THz communication Questions and Answers

Question 1: What is THz communication in the context of 6G?

Answer 1: THz communication uses frequencies from 100 GHz to 10 THz, enabling ultra high data rates (Tbps) for 6G wireless networks.

Question 2: Why is THz communication important for 6G?

Answer 2: It supports extreme bandwidth, ultra low latency and high capacity applications like holographic communication and wireless XR.

Question 3: What are the challenges of using THz bands?

Answer 3: High path loss, atmospheric absorption, limited coverage and the need for advanced beamforming and new semiconductor materials.

Question 4: What materials are being researched for THz device design?

Answer 4: Graphene, InP, GaN, GaAs and advanced CMOS for photonic and electronic THz source and detector design.

Question 5: Name THz communication device types used in 6G R&D.

Answer 5: THz antennas, THz photonic sources, THz oscillators, mixers, detectors and waveguides.

Question 6: What modulation schemes are used for THz communication?

Answer 6: Higher order QAM, OFDM, and pulse based modulation optimized for high frequency and bandwidth efficiency.

Question 7: What’s the expected range of THz signals in 6G?

Answer 7: Typically short range (<10m) due to absorption, but beamforming and repeaters can extend usability.

Question 8: Which institutions are leading THz 6G research?

Answer 8: Samsung, Nokia Bell Labs, NTT Docomo, NYU Wireless and academic labs in Korea, Europe and the US.

Question 9: What is the target peak data rate in 6G?

Answer 9: Up to 1 Tbps, which THz communication aims to achieve.

Question 10: Name potential 6G use cases that need THz bands.

Answer 10: Wireless brain computer interface, tactile internet, 3D holography, XR, and ultra-HD content streaming.