INTRODUCTION OF 4G
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Transcript of INTRODUCTION OF 4G
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WIRELESS SYSTEMS
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CONTENTS• Introduction• History of mobile generation• Evolution of 4G• Objectives• Features• 4G architecture• 4G network in India• 3G vs 4G• Advantages• Disadvantages• Applications
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INTRODUCTION TO 4G• 4G was introduced to provide
a Wide Area Network for internet access
• It provided high bandwidth and broadband
• According to the WWRF,4G is a combination of wired and wireless networks in computer
• 4G networks are projected to provide speeds of 100 Mbps while moving and 1 Gbps while stationary
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HISTORY OF MOBILE GENERATION
• Analog transmission (1G) in 1981
• Digital transmission (2G) in 1992
• Multimedia transmission (3G) in 2001
• Mobile ultra-broadband transmission (4G) in 2012
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EVOLUTION
• The first commercial deployment was by Telia Sonera and NetCom
• Telia Sonera branded the network “4G”
• The modem devices on offer were manufactured by Samsung (dongle GT- B3710)
• The network infrastructure were created by Huawei (in Oslo) and Ericsson (in Stockholm)
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OBJECTIVE
• Quality of service
• Present requirements in demand
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FEATURES
•Support
•Mobile system
•Cost
•Infrastructure
•Others
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4G ARCHITECTURE
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4G NETWORK IN INDIA• In India on 10 April 2012, India's
telecom company Bharti Airtel has launched India's first 4g services in Kolkata using TD-LTE technology
• Aircel :8 cirles covered by aircel• Airtel:Madhya Pradesh &
Chattisgarh, Kolkata, Karnataka Chandigarh, Bengaluru, Pune
• Augere :Madhya Pradesh & Chattisgarh,Bangladesh,Pakistan
• Qualcomm :Delhi, Mumbai, Haryana and Kerala
• Tikona : Gujarat, Uttar Pradesh (east and west), Rajasthan & HP
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3G vs 4G3G 4G
Frequency Band: 1.8 – 2.5GHz 2 – 8GHz
Forward error correction (FEC)
Turbo codes Concatenated codes
Data Throughput Up to 3.1Mbps
Practically speaking, 3 to 5 Mbps but potential estimated at a range of 100 to 300 Mbps
Data transfer rate
2 Mbps and more
20 Mbps and more
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3G vs 4G3G 4G
Peak download rate 1Gbps 100Gbps
Peak upload rate 50Mbps 500Mbps
Switching Circuit/Packet Packet
Access WCDMA/CDMA 2000
MC-CDMA or OFDM
Component Design Optimized antenna, Multi- band adapters
Smart antennas, Wideband radios
Services And Applications
CDMA 2000, UMTS etc
Wimax, LTE and Wi-Fi
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ADVANTAGES
•Broadband access in remote locations•Affordable cost•Speed•Seamless connectivity •Interoperation•Music•Data access•Photo sharing
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DISADVANTAGES
• Battery
• Implementation
• Hardware
• Present situation
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APPLICATIONS
• 4G and public safety• Sensors in public vehicle• Cameras in traffic light• First responder route selection• Traffic control during disasters• M-commerce• Entertainment services• Communication services• Organizational services
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THANK YOU