432 Mobile Broad Band and the Multi Network Path to 4g
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Transcript of 432 Mobile Broad Band and the Multi Network Path to 4g
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MOBILE BROAD BAND AND THE MULTI-NETWORK PATH TO 4G
Submitted byN.Raghu
Under the guidence of T.Sandeep kumar(M.Tech)
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INTRODUCTION
• 4G means “Fourth Generation”.The design of 4G Technology was started in 2000, but now it is in the stage of implementation
• Approaching 4G mobile communication systems are to solve problems of 3G systems
• It is used to provide a wide variety of new services • The term 4G is used broadly to include several types of
broadband wireless access communication systems.• The 4G systems not only will support the next generation of
mobile service, but also will support the fixed wireless networks.
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HISTORY 1G-First Generation : (1.9KBPS) • Started in 1970, implemented in 1984
Speech
2G-Second Generation : (14.4KBPS)• Started in 1980, implemented in 1991
SMS , MMS, CDMA , GPRS , Voice Mail
3G-Third Generation : ( 2MBPS)• Started in 1990, implemented in 2010 Wireless Internet, Video Calling, Mobile TV, Hyper Lan- set of wireless
Lan.
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Why do we move toward 4G ?
• Limitation to meet expectations of applications like multimedia, full motion video, wireless teleconferencing , Wider Bandwidth
• Higher capacity, completely IP oriented
• Higher bandwidth up to 200 mbps
• Primarily Cellular (WAN) with distinct LANs’; need a new integrated network
• Spectrally more efficient modulation schemes
• Information security
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EVOLUTION OF TELECOM NETWORK OVER
THE YEARS
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Motivation for 4G Research Before 3G Has Not Been Deployed?
• 3G performance may not be sufficient to meet needs of future high-performance applications.
• There are multiple standards for 3G making it difficult to roam and
interoperate across networks.
• we need global mobility and service portability
• 3G is based on primarily a wide-area concept.
• We need wider bandwidth
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What is needed to Build 4G Networks of Future?
• Lower Price
• More Coordination
• More Academic Research
• Standardization
• Integration
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The primary goals of the planned 4G cellular services
• Interactive Multimedia, Voice, Video Streaming
• High Speed Global Internet Access
• Service Portability with Scalable Mobile Services
• High Speed, High Capacity, Low Cost Services
• Improved Information Security
• Spectral Bandwidth Efficiencies (8bits/Second/Hz)
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4G CHARACTERISTICS
• No circuit switching (since it has an IP core network)
• Distributed architecture• Improved spectral efficiency• Significantly lower cost per bit than 3G• Flexible allocation• Higher data band widths (>100Mbps)• End-to-end and context aware services
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KEY ELEMENTS OF 4G
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2005 2007 2010
Max
transmit
rate
1Mbps 10Mbps 100mbps
Display VGA LCD 360 degree
3D display
High-
resolution
3D display
Battery NiH,L+ Solar
battery
Fuel cell
TERMINAL RELATED TECHNOLOGY MAP
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4G SERVICES
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SEVERAL TECHNOLOGIES
• Orthogonal Frequency Division Multiplexing (OFDM)
• Mobile WiMax
• Ultra Mobile Broadband (UMB)
• Multiple-input multiple-output (MIMO)
• Long Term Evolution (LTE)
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CONCLUSION:
As the history of mobile communication shows attempts have been made to reduce a number of technologies to a single global standard. Projected 4G systems offer this promise of a standard that can be embraced world wide through its key concept of integration
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BIBLIOGRAPHY:
http://www.bluetooth.com. http://
www.rysavy.com/articles/evolutionmobilebroadband.doc http://www.bechteltelecoms.com/article2.pdf
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THANK YOU