4g-akshay rathore

8/14/2019 4G-Akshay Rathore

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LOGO

Presented By

Akshay Rathore

WIRELESS SYSTEMS


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LOGO 4G WIRELESS SYSTEM

4G is the fourth generation wireless network communications technology

Standard.

This new generation of wireless is intended to complement and replace the

3G systems.

The 4G infrastructures will consist of a set of various networks using IP

(Internet protocol) as a common protocol.

The 4G systems will inter operate with 2G and 3G systems, as well as with

digital (broadband) broadcasting systems.

In addition, 4G systems will be fully IP-based wireless Internet.


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LOGO HISTORY


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LOGO

G WIRELESS SYSTEM 2G WIRELESS SYSTEMS

MODELS OF WIRELESS SYSTEM


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LOGO

3G WIRELESS SYSTEM 4G WIRELESS SYSTEM

Cont.


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LOGO 3G Vs 4G

The following table shows comparisons between 3G and

possible 4G systems.

3G 4G

Frequency Band 1.8 - 2.5 GHz 2 - 8 GHz

Bandwidth 5-20 MHz 5-20 MHzData rate Up to 2Mbps Up to 20 Mbps

Access Wideband CDMA Multi-carrier -

CDMA or

OFDM(TDMA)

Switching Circuit/Packet Packet

Mobile top speeds 20 kmph 200 kmph


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LOGO ADVANTAGES OF 4G

Support for interactive multimedia, voice, streaming video,

Internet, and other broadband services.

IP based mobile system.

High speed, high capacity, and low cost-per-bit

Global access, service portability, and scalable mobile services

Seamless switching, and a variety of Quality of Service-

driven services. Better efficiency.


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LOGODISADVANTAGES

Expensive.

Battery uses are more.

Hard to implement

Need complicated hardware.


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LOGO APPLICATIONS OF 4G

4G Car

4G and public safety

Sensors in public vehicle

Cameras in traffic light

First responder route selection

Traffic control during disasters


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LOGOTRAFFIC CONTROL DURING DISASTER


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LOGO FUTURE

Both service providers and users want to reduce the cost ofwireless systems and the cost of wireless services.

Lesser the expensive of the system, the more people who will

want to own it.

4G's flexibility will allow the integration of several different

LAN and WAN technologies.

Finally, the 4G wireless system would truly go into a "one size

fits all" category, having a feature set that meets the needs of

just about everyone.


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LOGO CONCLUSION

All totally the best way to help all users is to use 4G as the next wirelesssystem and in totally it is safety and secure for public, this the need that

demands the solution.

Todays wired society is going wireless and if it has problem, 4G is

answer.


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THANKYOU

4g-akshay rathore

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