Technology GIGABIT WIRELESS TECHNOLOGY NEXT GENERATION WIRELESS TECHNOLOGY Guided By Lizy Abraham Assistant Professor LBSITW Presented By Nimisha C.R. Roll No: 41 LBSITW
Jan 15, 2015
TechnologyGIGABIT WIRELESS TECHNOLOGY
NEXT GENERATION WIRELESS TECHNOLOGY
Guided ByLizy AbrahamAssistant ProfessorLBSITW
Presented ByNimisha C.R.Roll No: 41LBSITW
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INTRODUCTION TO GI-FI
Gigabit Fidelity or Gigabit Wireless
World's first transceiver integrated on a single chip
Fabricated using CMOS (Complementary Metal Oxide Semiconductor)
process
Wireless transfer of audio and video data within seconds
Developed at the National Information And Communication Technology
Research Center in MELBOURNE, AUSTRALIA
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Professor Stan Skafidis The Man Behind Gi-Fi
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The common Wireless technologies currently used are:
Bluetooth
Wi-Fi
Why……..?
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SPECIFICATION BLUETOOTH WI-FI GI-FIFrequency 2.4 GHz 2.4 GHz 57 – 64 GHzRange 10 m 100 m 10 mData transfer rate 800 kbps 11 Mbps 5 GbpsPower consumption 5 mW 10 mW < 2 mWPrimary Devices Mobiles phones,
consumerElectronics etc.,
Notebook computers,Desktop Computers,
Servers
Both areas
Primary Application WPAN: cable replacement
WLAN: Ethernet replacement
Both
Usage location Anywhere atleast two bluetooth device exist
Within range of WLAN
infrastructure,usually inside a buildings
WPAN Networks
Development Start Date 1998 1990 2004Under development
Comparison between Bluetooth, Wi-Fi and Gi-Fi
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fig : frequency versus peak data rate
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Need for :
• Higher data transfer rate
• Lower power consumption
The disadvantages of existing technologies :
Slow rate ( < 11 Mbps)
High power consumption ( > 5 mW)
Low range frequency of operation (2.4 GHz)
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WHAT………?
Wireless Technology
5 gigabits per second
Range of 10m
Operates in 57-64 GHz
2 watt power consumption
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HOW……….?
Core component – Subscriber Station
Duplex antenna at roof of each access point
Supports Line of Sight operation
Supports IEEE 802.15.3c
Supports Millimeter Wave Wireless Network
Transmits multiple signals across transmission path with separate
frequencies.
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Gigabit wireless: The Gi-Fi integrated wireless transceiver chip, developed at the National ICT Research Centre, Australia.
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• Multiple Input Multiple Output (MIMO)
-Emerging Cost Effective Technology
-Technical Breakthrough
• Performance Improvements
-Array gain
-Diversity gain
-Spatial Multiplexing Gain
-Interference Reduction
Technologies Used…
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• System On A Package
-More Feasible Approach
-Overall Enhancement Of Functionalities
-Overcomes Disadvantages Of MCM’s
• Implementation Of Complex Functionality
• Point-to-point Communication At 60GHz
• Millimeter Wave Antenna At 60GHz
Technologies Used…
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WORKING PRINCIPLE…
• Time division duplex for both transmission and receiving
• Transmission :› data files from IF range to RF60Ghz range
› Conversion using 2 mixers
› Fed to a power amplifier
› Fed to millimeter wave antenna.
Data files
Radio Frequency (60 GHz)
Local Oscillator 1
Infrared Frequency
Mixer 1 Mixer 2 Power Amplifier
Wave Antenna
Local Oscillator 2
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• Reception:› RF signal down converted to an IF signal centered at 5 GHz › Converted to normal data ranges using heterodyne principle to avoid
leakages
• Availability of 7 GHz spectrum • Transfer within seconds
Local Oscillator 1 Local Oscillator 2
Mixer 1 Mixer 2
60 GHz 5 GHz 5 GHz
WORKING PRINCIPLE…
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FREQUENCY OF OPERATION…
• Point-to-point Communication At 60GHz
• Millimeter Wave Antenna At 60GHz
• High Oxygen Absorption At 60GHz
• High Data Rate Energy Propagation
• Co-channel Interference , High Security , Frequency re-use
• Time Division Duplex
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fig : frequency versus distance
fig : Energy absorption by O2 at 60 GHz
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FEATURES OF GI-FI
High speed of data transfer
High level of frequency re-use enabled
Deploys line of sight operation
Operates over a range of 10 meters without interference.
More flexible architecture.
Low power consumption
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High security
Cost effective
Small size
Quick deployment
Highly portable, high mobility
wireless streaming of uncompressed high-definition content
FEATURES OF GI-FI
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APPLICATIONS OF GI-FI
1. House hold appliances :- it makes the wireless home of the future
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2. Office appliances :
3. Video information transfer:
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Gi-fi Access Devices
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4. Inter-vehicle communication system:
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5. Broadcasting video signal transmission system in sports stadium:
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FUTURE SCOPE…
• Easily Embedded Into Devices
• Wireless Office and Home Equipment
• Great Reliability And Ability
• Greater Potential
• Wireless HD
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CONCLUSION
Within five years, we expect Gi-Fi to be the dominant
technology for wireless networking.
Gi-Fi can bring wireless broadband to the enterprise in
an entirely new way.
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[1] Innovative With GI-FI Technology P.Srikanth, J.R.Thresphine, M.Tech Student Department of CSE, PRIST University Pondicherry, India Assistant Professor Department of CSE, PRIST University Pondicherry, India. Vol. 2 IJARCST Issue 1 Jan-March 2014 [2]Gast, Matthew, ―802.11 Wireless Networks: The Definitive Guide, Second Edition, Sebastopol, CA: O’Reilly & Associates, Inc., 2005. [3] Ross, John, ―The Book of Wireless: A Painless Guide to Wi-Fi and Broadband Wireless, Second Edition, San Francisco, CA: No Starch Press, 2008. [4] Sachin Abhyankar, Rishi Toshiwal, Carlos Cordeiro and Dharma Agraqal, ―Emerging Technologies: WLANS and WPANS: On the Application of Traffic Engineering over Ad Hoc Networks‖, Unpublished, 2003 [5] Electronista Staff, ―NICTA GiFi Chipset,[Online],Available at: http://www.electronista.com/articles/08/02/22/nicta.gifi. chipset/, February 2008.
References
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THANK YOU