In the last few decades, Mobile Wireless Communication networks have experienced a remarkable change. The mobile wireless Generation (G) generally refers to a change in the nature of the system, speed, technology, frequency, data capacity, latency etc. ↓↓↓↓ Read More: @ Kindly Follow my Instagram Page to discuss about your mental health problems- -----> https://instagram.com/mentality_streak?utm_medium=copy_link @ Appreciate my work: -----> behance.net/burhanahmed1 Thank-you !

1. Evolution of
Wireless
Generations

2.  In last few decades there is a great progress
in wireless networks , namely from 0G to 4G.
 1G
 2G
 3G
 4G

3. 1G
 1st Generation of wireless communication.
 Was launched in Japan in 1979-1980.
 Involve the technology AMPS (Advanced
Mobile Phone System)
 Data transfer rate is 2.4 Kbps

4.  1G uses analog signals , means the signals
are not converted in digital one.
 Called analog telecommunication standards.

5. Features
 Allows the voice calls in one country.

6. Drawbacks
 Poor voice quality
 Poor battery life
 Large phone size
 No security
 Limited capacity
 Low data rate(As 1G uses analog signals so
these signals can not cover up long distance
so we have move forward.)

8. Problem
 As analog signals cant cover long distance
so that is the advantage of analog signal.
Solution
 Instead of sending analog signals they should
be converted into digital signals

9. 2G
 Uses digital technology.
 Uses digital signals.
 Introduced in Finland 1991-2000.
 Data transfer rate is 64 kbps.

10. Features
 Allows text messages , picture messages
and MMS

11. Technology
 GSM is the technology of 2G.
 At start GSM stands for Groupe Special
Module. Later on it changes to Global
System for mobile communications.

12. Problem
 Require strong digital signals for data
transmission , in case of no network
coverage , signals become week.
 Unable to handle videos.

14. 2.5G
 Follows the packet switching methodology.
 From
 Involv-2010
 the technology named GPRS.
 GPRS stands for General Packet Radio Service.
 GPRS support the transmission of data in form of
packets . And these packets are transmit through
air (Radio).
 GPRS refers to data rate of about 64-144 kbps.

15. Features
 Phone calls
 Send/receive email messages
 Web browsing
 Camera phones
 Take 6-9 minutes to download a 3 min mp3
song.

16. Problem
 Data rate is less

17. 3G
 Introduced in 2000.
 Data transfer rate is 144kbps – 2Mbps

18. Features
 Faster communication
 Send / receive large email messages
 High speed web
 High security
 Video conferencing
 3D gaming
 TV streaming
 11 – 90 sec to download a 3 minutes mp3
song.

20. 4G LTE
 The target was set to
 100 mbps – 1 Gbps
 Introduced in 2009.
After a long time research and working this target
is achieved. That’s why its is called Long Term
Evolution.