Unit 5: part 1 Quiz

OFDM in a wireless system aims to overcome

• ISI

• Time-varying channel

• Multi-path propagation

• Multi-user interference

Answer explanation

60 GHz millimeter wave is

• Unlicensed spectrum

• Licensed spectrum

Frequencies around 60 GHz experiences the significant absorption of ______.

• Hydrogen

• Oxygen

• Carbon dioxide

• Nitrogen

_____________organization has authority over interstate and international commerce in communication field in US.

• ITU-T

• IEEE

• FCC

• ISOC

FCC is

Short-range devices that are low powered and unlicensed  fall under FCC

• Part 14

• Part 15

• Part 16

• Part 17

An international organization within the United Nations System where governments and the private sector coordinate global telecom networks and services.

(a)  

Answer explanation

•International telecommunication union (ITU)

ISM stands for

The product of the power supplied to the antenna and the antenna gain in a given direction relative to an isotropic antenna is

• is Equivalent isotropically radiated power (EIRP)

• EIRPEffective radiated power (ERP)

IEEE802.15.3 SIG was created to deal with not

• 60 GHz radio communications

• UWB

• Bluetooth

• mm wave