===Technology overview===
Mindmap below shows the overview of emerging technologies in 4G
{|border="2" cellspacing="2" cellpadding="4" width="75%" align = "center"
|align = "center" bgcolor = "#00CCFF" rowspan = "2"|'''Parameter'''
|align = "center" bgcolor = "#00CCFF" colspan = "5"|'''4G'''
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|align = "center" bgcolor = "#00CCFF"|'''WiMAX'''
|align = "center" bgcolor = "#00CCFF"|'''WiBro'''
|align = "center" bgcolor = "#00CCFF"|'''3GPP LTE'''
|align = "center" bgcolor = "#00CCFF"|'''HSOPA'''
|align = "center" bgcolor = "#00CCFF"|'''3GPP2 UMB'''
|-
|align = "center" bgcolor = "#00CCFF"|'''Access scheme'''
|align = "center"|OFDMA
|align = "center"|OFDMA
|align = "center"|SC-FDMA Uplink<br>OFDMA Downlink
|align = "center"|SC-FDMA Uplink<br>OFDMA Downlink
|align = "center"|OFDMA
|-
|align = "center" bgcolor = "#00CCFF"|'''Duplex system'''
|align = "center"|TDD/FDD
|align = "center"|TDD
|align = "center"|TDD/FDD
|align = "center"|FDD
|align = "center"|FDD
|-
|align = "center" bgcolor = "#00CCFF"|'''Channel Bandwidth'''
|align = "center"|3.5, 5, 7, 8.75, 10, 15, 20MHz
|align = "center"|8.75MHz
|align = "center"|1.25, 1.6, 2.5, 5, 10, 15 and 20 MHz
|align = "center"|1.25 MHz to 20 MHz
|align = "center"|1.25 - 20 MHz
|-
|align = "center" bgcolor = "#00CCFF"|'''FFT size'''
|align = "center"|128, 256, 512, 1024, 2048
|align = "center"|1024
|align = "center"|128, 256, 512, 1024, 1536, 2048
|align = "center"|128, 256, 512, 1024, 1536, 2049
|align = "center"|
|-
|align = "center" bgcolor = "#00CCFF"|'''Data rate'''
|align = "center"|70 Mbps
|align = "center"|30 - 50 Mbps
|align = "center"|100 Mbps Downlink<br>50 Mbps Uplink
|align = "center"|14.4 Mbps
|align = "center"|275 Mbps Downlink <br>75 Mbps Uplink
|-
|align = "center" bgcolor = "#00CCFF"|'''Antenna System'''
|align = "center"|MIMO-AAS smart antenna subsystems.<br>(6 - antenna array)
|align = "center"|MIMO-AAS smart antenna subsystems.<br>(6 - antenna array)
|align = "center"|MIMO-AAS smart antenna subsystems.<br>(4 - antenna array)
|align = "center"|MIMO-AAS smart antenna subsystems.
|align = "center"|MIMO-AAS smart antenna subsystems.
|-
|align = "center" bgcolor = "#00CCFF"|'''FEC scheme'''
|align = "center"|Convolution Code<br>Convolution Turbo Code
|align = "center"|Convolution Code<br>Convolution Turbo Code
|align = "center"|Convolution Code<br>Turbo Code
|align = "center"|N/A
|align = "center"|N/A
|-
|align = "center" bgcolor = "#00CCFF"|'''Modulation'''
|align = "center"|BPSK, QPSK, 16QAM, 64QAM
|align = "center"|QPSK, 16QAM, 64QAM
|align = "center"|QPSK, 8PSK 16 QAM
|align = "center"|16QAM
|align = "center"|BPSK, 8PSK, QPSK, 16QAM, 64QAM
|-
|align = "center" bgcolor = "#00CCFF"|'''Frequency band'''
|align = "center"|2.3GHz <nowiki>~</nowiki> 2.4GHz
|align = "center"|2.3GHz <nowiki>~</nowiki> 2.4GHz
|align = "center"|2010MHz <nowiki>~</nowiki> 2025MHz
|align = "center"|N/A
|align = "center"|450 MHz to 3.6GHz
|-
|align = "center" bgcolor = "#00CCFF"|'''Cell coverage'''
|align = "center"|10 KM
|align = "center"|1 KM
|align = "center"|5 - 100 KM
|align = "center"|N/A
|align = "center"|N/A
|-
|}
[[Image:4Gmindmap1.jpg|1000px|center|thumb|<font size = "3">'''Overview'''</font>]]