3G is the third generation of wireless technologies. It comes with enhancements over previous wireless technologies, like high-speed transmission, advanced multimedia access and global roaming. 3G is mostly used with mobile phones and handsets as a means to connect the phone to the Internet or other IP networks in order to make voice and video calls, to download and upload data and to surf the net.
How is 3G Better?:
3G has the following enhancements over 2.5G and previous networks:
-Several times higher data speed;
-Enhanced audio and video streaming;
-Web and WAP browsing at higher speeds;
-IPTV (TV through the Internet) support.
The advantages of 3G networks are:
– 3G Networks allow a wider radio spectrum that allows faster data transmission
– Allows for advanced technology, multimedia services and larger network capacity
-Bandwidth, security and reliability are more
– Carriers can deliver 3G at a reduced cost compared to 2G
– 3G networks allow a wider variety of cell phones to operate on the network
– Businessmen with 3G cell phones are able to travel to and from Japan without renting or buying new phones due to the 3G network
– Allows location based services like weather reports on the mobile.
– 3G is cheaper for providers, however, plans are more expensive due to the high cost of implementation of 3G network.
– 3G enables video calls, therefore, business conferencing between cities, states, and even countries
– Picture messaging allows products, progress or problems to be shown visually
– Applications that are more data intensive can be developed and used
– 3G networks allow everyday people to access music, pictures, and videos with ease creating a bigger and open market for those industries in advertising
– Extremely faster than previous networks
– Increase in handset internet usage lead to businesses using social networking applications to advertise
The Disadvantages of 3G networks are:
– The cost of cellular infrastructure , upgrading base stations is very high
– 3G plan prices for cell phones are much higher than 2G
-Needs different handsets.
-Roaming and data/voice work together has not yet been implemented
-Power consumption is high
-Requires closer base stations and are expensive