Telecommunication
#2 TELECOMMUNICATION : MOBILE COMMUNICATION (1G VS 2G VS 3G VS 4G VS 5G)
Mobile communication technology:
1G stands for the first generation of wireless telephone technology. The first generation is the analog telecommunication came on 1980's and exists till being introduced 2G digital communication. The main difference between 1G and 2G is radio signal that is 1G network is analog while a 2G
network is digital.
network is digital.
After this 2.5 was introduced which is called as GPRS that is a General Packet Radio Service.It is implemented a packet switched domain in addition to the circuit switched. 2G uses packet data.
After this 2.75 was introduced that is EDGE (Enhanced Data Rate for GSM Evolution). It is an enhancement in GPRS with 8PSK encoding. It is also called as Enhanced GPRS (EGPRS),IMT Signal carrier(IMT-SC). It allows improved transmission rate as it is the best standard of GSM. It provides caller ID, call forwarding, short messaging.
After this 3G was introduced the third generation of wireless mobile telecommunications technology, 3G provides fixed wireless mobile internet, mobile tv, video calls. After this 3.5 and 3.75 was introduced that provides some broadband services and mobile high-speed internet access of some Mbit per second. And every new standard has released approx 10-year gap that is 2G came in 1982, 3G in 1998 and 4G in 2008.
After this 4G came into the picture in 2008 stands for 4th generation wireless mobile telecommunications technology. 4G provides IP telephony, high-speed mobile, wireless internet access and it also provides broadband internet service. 4G is nothing but LTE that is Long Term Evolution. It is the fasted network as of now in mobile communication.
5G stands for a 5th generation wireless system. Its standard is beyond LTE and it has more capacity than 4G.It provides a higher number of mobile broadband users per unit area and allowing higher consumption of data.
FEATURES
|
1G
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2G/2.5g
|
3G
|
4G
|
5G
|
Signal Technology
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Analog
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Digital
|
Board bandwidth CDMA,IP technology
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IP technology,
LAN, WAN |
IP technology and seamless combination of broadband
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Deployment
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1970/1984
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1980/1999
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1990/2002
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2000/2010
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2010/2015
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Data Bandwidth
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2 kbps
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14.4 kbps-64 kbps
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2 Mbps
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200 Mbps-1Gbps
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1 Gbps and higher
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Standards
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Amps
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2G:TDMA,CDMA
GSM 2.5G:GPRS,EDGE |
WCDMA
CDMA2000 |
LTE
|
single unified
standard |
Frequency
|
150 MHz & above
|
900 MHz
|
850,900,2100 MHz
|
2-8 GHz
|
15 GHz
|
Speed
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up to 2.4 kbps
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2G:up to 64 Kbps
2.5G: 144kbps |
from 144kbps -2Mbps
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100 Mbps -1Gbps
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10 times more than 4G
|
Access
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TACS
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TDMA, CDMA
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wideband CDMA
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Multicarreir CDMA or TDMA
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OFDMA,SCMA NOMA
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DRAWBACKS
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Size
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Large
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Smaller than 1g
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Smaller than 2G
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Smaller than 3G
|
Smaller than 4G
|
Security
|
No security
|
Have security
|
Have security
|
Have more security
|
Have security
|
Camera
|
No camera
|
Camera
|
Camera
|
Camera
|
Camera
|
ADVANTAGES
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No such advantage
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2.5G: Phone calls,
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Faster communication
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High-speed
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High uploading and downloading speed up to 1Gbps
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Send and receive emails
|
Send and receive large email and
SMS |
High capacity
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Better & fast solution
| ||
web browsing
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High-speed web
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Low cost per bit
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Highly supportable to WWWW
| ||
Video conferencing
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IP-based mobile system
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Large phone memory
| |||
3D gaming
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Global access
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Dialing speed
| |||
TV streaming
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Broadband service
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Clarity of audio, video.
| |||
Mobile TV
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Faster video streaming
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Provides up to 25 Mbps connectivity speed
| |||
Better spectral efficiency
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Support VPN
| ||||
Larger bandwidth for data sharing
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Remote diagnostics is great feature in 5G
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