Band WATCH -- wireless data delivery over active TV channels

Band WATCH -- wireless data delivery over active TV channels

Assessment

Interactive Video

Science

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video discusses the expected 1000% growth in mobile data over the next five years, necessitating more wireless spectrum. The UHF band is ideal for wireless data transmission due to its ability to carry signals over long distances without obstruction. However, in urban areas, much of the UHF band is occupied by TV channels. The WATCH system, developed by Edward Knightley, uses unused UHF TV channels for Wi-Fi by employing signal canceling techniques to avoid interference with TV reception. This technology is expected to become crucial as demand for wireless data increases and TV viewership declines.

Read more

5 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the expected growth percentage of mobile data services in the next five years?

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is the UHF Band considered prime real estate for wireless data transmission?

Evaluate responses using AI:

OFF

3.

OPEN ENDED QUESTION

3 mins • 1 pt

What challenges are faced in dense urban areas regarding wireless capability?

Evaluate responses using AI:

OFF

4.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the watch system developed by Edward Knightley work?

Evaluate responses using AI:

OFF

5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of ensuring that data transmissions do not interfere with TV reception?

Evaluate responses using AI:

OFF