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4G wireless technology
4G technology is next technology of 3G technology. This technology provides access speed 100 Mbps (Mega bits per second) to 1 Gbps (Giga bits per second) with quality-assured data security and delivery information in real time. 4G technologies are created for the wireless applications such as MMS, video chat, mobile TV, High Definition Television (HDTV), and DVB (Digital Video Broadcasting).

4G Standardization
WiMAX is a technology that is very busy talking a lot of people as the future 4G technologies. Using IEEE 802.16 WiMAX standard. 802.16 standard included in the category of WMAN (Wireless Metropolitan Area Network). 802.16 standard has data transfer speeds up to 70 Mbps with network coverage reaching 5 kilometers.

IEEE (Institute of Electrical and Electronic Engineers) has assign several wireless communication standards into 4 categories:

WPAN (Wireless Personal Area Network)
WPAN has maximum range of the network up to 10 meters. Examples of the use of WPAN is Bluetooth.

WLAN (Wireless Local Area Network)
WLAN has maximum range of the network up to 100 meters.

WMAN (Wireless Metropolitan Area Network)
WMAN has maximum range of the network up to 5 km.

WWAN (Wireless Wide Area Network)
WWAN has maximum range of the network up to 15 km.


4G wireless technology standardization

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