Handwritten Text Recognition for manuscripts and early printed texts
1G vs 2G vs 3G vs 4G vs 5G
1. 1G VS 2G VS 3G VS 4G VS 5G
By,
Gokilabharathi.R
Final CSE
2. Contents…
• Introduction
• 1G wireless technology and its drawbacks
• 2G wireless technology and its drawbacks
• 2.5G wireless technology and its drawbacks
• 3G wireless technology and its drawbacks
• 4G wireless technology and its drawbacks
• 5G wireless technology and its drawbacks
• Future technology
3. Introduction
• The word wireless in dictionary defined “having no
wires ” .
• In networking terminology , wireless is the term
used to describe any computer network where there
is no physical wired connection
4. • Using Analog signals
• Listen to handset
• It's Speed was upto
2.4kbps.
• Frequency typically
150MHz & above
1G Wireless Technology
5. Drawbacks Of 1G
• Poor battery
• Poor voice quality
• Large in size
• No security
• Frequency call drop
6. 2G Wireless Technology
• It enables services such as text messages,
picture messages and MMS (multi media
message).
• It’s data speed was upto 64kbps.
• It provides better quality and capacity .
7. Drawbacks Of 2G
• Weaker digital signal
• These systems are unable to handle complex
data such as Videos.
• Reduce range of sound
8. 2.5 G Wireless Technology
• 2.5G is a technology between the second
(2G) and third (3G) generation of mobile
telephony.
• 2.5G is sometimes described as 2G Cellular
Technology combined with GPRS.
9. Features Includes in 2.5 G:
• Phone Calls
• Send/Receive E-mail Messages
• Web Browsing
• Speed : 64-144 kbps
• Camera Phones
10. 3G Wireless Technology
• Data Transmission speed increased from
144kbps- 2Mbps.
• Providing Faster Communication
• Send/Receive Large Email Messages
• High Speed Web / More Security
• Video Conferencing / 3D Gaming
• TV Streaming/ Mobile TV/ Phone Calls
11. Drawbacks Of 3G
• High Bandwidth Requirement
• Expensive 3G Phones.
• Large Cell Phones
12. 4G Wireless Technology
“ Any time any where”
• Capable of providing 100Mbps – 1Gbps speed.
• More Security
• High Speed
• High Capacity
• Low Cost Per-bit
13. Drawbacks Of 4G
• Battery uses is more
• Hard to implement
• Need complicated hardware
• Expensive equipment required to
implement next generation network.
14. 5G Wireless Technology
• The router or switch we are going to use in 5G
network would provide high connectivity with
wireless device.
• It is 10 times more faster than 4G.
• It has a expected speed of 1gbps.
• Lower cost than the previous version.
15. Features
• Uploading & Downloading speed of 5G
touching the peak (up to 1Gbps)
• Better & fast solution
• It is highly supportable to WWWW
(Wireless World Wide Web).
• Large Phone Memory, Dialing Speed,
clarity in Audio/Video.
• 5G technology is going to give tough
competition to Computers and Laptops.