What is 3G

Sunday, December 17, 2006

BroadBand on Mobile

3G is like broadband for mobile phones. It offers
voice, video, picture message, e-mail, the Internet
and more, all in one portable device.


There is currently no single global 3G standard, but the principal technologies of 3G include:

WCDMA which has been chosen for 3G mobile phone systems in Europe, Asia and the US. It first converts raw data into a narrowband digital radio signal and then attaches a marker or spreading code to each data packet to identify it as belonging to a particular communication.

CDMAwas first introduced in 1995, and works in similar fashion. Many of the leading operators are currently creating CDMA networks). CDMA phones have longer standby times
than current models, and in-built reverse compatibility means that over 100 million customers worldwide who already use CDMA can easily upgrade to newer models. CDMA2000 1xEV-DO provides ‘always-on’ packet data connection, like landline-based broadband, for more convenient mobile internet use.

EDGE is the technology that allows existing GSM networks to provide 3G services and allows GSM to transmit data at transmission speeds of up to 384Kpbs.


3G chops each call or transmission into little packets of data, marking each one with an individual code to show which connection it belongs to. This is a much more efficient way of transmitting data, allowing 3G networks to deliver larger files – like pictures and even video – at much faster speeds.


3G provides flexibility and portability, allowing you to do more on the move. Some of the benefits include:

Instant communication – you can make and receive phone calls, fax transmissions, and quickly send and receive e-mails, including large attachments, wherever you are – so you never have to be out of touch.

High-speed internet access– you can make high-speed internet connections for web browsing, and fast downloading of data files or software from websites, or even image or music files.

Ad-hoc video-conferencing– 3G can be used for video calling and conferencing as well as picture messaging.

Information at your fingertips– many 3G devices also provide navigational features and access to maps and can receive television transmissions with sports events or news coverage streamed directly to your handset.

Keeping you organised– 3G handsets can also function as personal organisers, with electronic diaries, contact lists, and automatic reminders.

Never out of touch –most 3G networks are likely to offer global roaming – that is the ability to access these services from anywhere the world.

Info extracted from UK on line for business.


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