Question: Compare 3G and 4G technologies.
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Subject : Mobile Communication

Topic : 4G Wireless Networks

Difficulty : Medium

mobile communication • 640 views
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modified 8 months ago by gravatar for Abhishek Tiwari Abhishek Tiwari ♦♦ 50 written 8 months ago by gravatar for rajeshree.kumbhar5018 rajeshree.kumbhar501810
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Parameters 3G 4G
Name 3rd Generation Mobile Network 4th Generation Mobile Network
Introduced in year 2001 2009
Technology IMT2000, WCDMA LTE, WiMAX
Switching type Packet switching except for Air Interface Packet switching
Speed (data rates) 3.1 Mbps 100 Mbps
Special Characteristic Digital broadband, speed increments Very high speeds, All IP
Features Multimedia features, Video Call High Speed, real time streaming
Bandwidth 25 MHz 100 MHz
Operating frequencies 2100 MHz 850 MHz, 1800 MHz
Carrier frequency 5 MHz 15 MHz
Advantage High security, international roaming Speed, High speed handoffs, MIMO technology, Global mobility
Disadvantages High power consumption, Low network coverage, High cost of spectrum licence Hard to implement, complicated hardware required
Applications Video conferencing, mobile TV, GPS High speed applications, mobile TV, Wearable devices
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written 8 months ago by gravatar for rajeshree.kumbhar5018 rajeshree.kumbhar501810
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