Other Wireless Medium Technologies

Question 1

refers to wireless medium that is used for short-range communication in a close area using line-of-sight propagation.

• It is achieved using transmitters/receivers (transceivers) that modulate non-coherent infrared light.

Answer 1

Infrared

Question 2

refers to a wireless medium that is used for unicast communication such as wireless PAN (Bluetooth), broadband wireless access or wirless MAN (WiMAX), wireless WAN (2G/3G cellular networks), satellite networks and radar, and wireless LANs (Wi-Fi)

Answer 2

Microwave

Question 3

is a short-range wireless communication technology that allows devices such as mobile phones, computers, and peripherals to transmit data or voice wirelessly over a short distance.

• It uses the same 2.4Ghz frequency as some other wireless technologies in the home of office.

Answer 3

Bluetooth