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Presented By: Gaurav Narkhede Prabhat Shukla Swapnil More Nikita Patil
Introduction 4G-4th Generation of mobile communication. A descendant to 2G and 3G technology aiming to
provide the very high data transfer rates. Best described in one word “MAGIC”. MAGIC Mobile multimedia.
Anytime Anywhere. Global mobility support. Integrated wireless. Customized personal service.
Magic of 4G Technology
3G utilized WiMax &WiFi as separate wireless technologies
4G is expected to coalesce these two technologies.
4G will be able to connect various high speed networks together.
In 4G HD data will be made available without much of a problem over the internet.
History
The 4G system was originally envisioned by the Defense Advanced Research Projects Agency (DARPA).
The DARPA selected the distributed architecture and end-to-end Internet protocol (IP), and in peer-to-peer networking.
Commercial Deployment
Two 4G candidate systems are commercially deployed:
Mobile WiMax standard Long Term Evolution (LTE) standard
Bharti Airtel launched India's first 4G service, using TD-LTE technology, in Kolkata on April 10, 2012.
Why 4G over 3G? 4G (LTE) is quicker than 3G 4G holds:
less bufferingbetter audio qualityimproved gaming experience streaming services with reduced lag.
Our 4G Plus network uses the 1800 & 2300 MHz frequency bands
Our 3G Plus network uses the 900 & 2100 MHz frequency bands
Components of 4G
There are some components which makes the successful 4G systems they are:
a) OFDMAb) MIMOc) IPv6.0d) Spectral efficiency of 4Ge) SDR(Software Defined Radio)f) Smart antennas
Components (contd..)OFDMA: Orthogonal Frequency Division Multiple
Access. It captures entire energy Only few signals are affected or lost in OFDM while
compared to CDMA in 3G.MIMO(Multi Input Multi Output):
improve the communication performance between sender and receiver
range, quality of received signal and spectrum efficiency are high.
Components (contd..)
IPv6.0: Allows more address than IPv4.0 IPv6 each device have own IP address.
SDR(Software Defined Radio): A SDR will allow increasing network capacity at
specific time.
Components(contd..)
Smart Antenna
Switched Antenna: Based on the requirement of the system ,signal is received at any given time.
Adaptive Antenna: Steer the signal at any direction of interest ,nullify the interfering signal.
Switched antenna Adaptive antenna
System Architecture:
Work flow:
UE
eNodeB
SGW(Service gateway)
MME(Mobility Management Entity)
PDN(Packet Data network)
3G Vs 4G
4G working:
Advantage of 4G
Higher bandwidth Better response time. 10 times better then 3G Works at 2.6GHz frequency Less time to build 4G It use the same tower and fiber cables as 3Gs - they
only have to upgrade the towers with 4G components.
Disadvantage of 4G
New technology which makes it more expansive than 3G
It is impossible to make our current equipment to be compatible with 4G.
It is available in certain cities within US.
Conclusion 4G technologies was still at research stages in
many of the countries. Companies like NTT Do Como Mobile and Nortel
Networks, and Nokia Siemens Networks successfully demonstrated the working of4G.
This technology will be deployed in the world market soon.
4G can be quoted as :
“Every one, Anytime & Every
Where”
THANK YOU
ARE … WE…. EVOLUTING???