3.3 Mobile Digital Communication

Overview

Demonstrate and apply the knowledge and understanding of the increasing use of mobile communication devices including laptops, PDAs, mobile phones and the technologies which support them: WIMAX, Bluetooth, Wi Fi.

Evaluate the technologies which support mobile communication including GPRS, WIMAX, Bluetooth, 3G, Wi-Fi.

PDA

• A mobile device which functions as a personal information manager and connects to the InternetFeatures– Touch screen– Memory cards– Wired connectivity– Wireless connectivity– Synchronization

Mobile phone

Features• Email• Internet• Contacts• Telephone calls• Bluetooth• Multimedia• Organisers• Software applications

Mobile technologies

• WIMAX

• Bluetooth

• Wifi

• 3G

WIMAX

• Worldwide Interoperability for Microwave Access

• Provides wireless transmission of data using a variety of transmission modes.

• If there are a lot of users in the same area then performance could degenerate.

Bluetooth

• Open wireless protocol for exchanging data over short distances from fixed and mobile devices.

• Uses short length radio waves.• Bluejacking is the sending of either a picture

or a message from one user to an unsuspecting user through Bluetooth wireless technology.

Wifi

• Wireless Fidelity

• Wifi uses radio networks to transmit data between its users.

Acronyms

• Wifi: Wireless Fidelity• WIMAX: Worldwide Interoperability for

Microwave Access• PDA: Personal Digital Assistant• GPRS: General Packet Radio Service

Associated Words

• Broadband

Discussion

What do you think the above symbols stand for?

Complete features for the following:

GPRS WIMAX Bluetooth 3G Wifi

Activity

Draw up a list of all the features of your mobile phone.