0
2.5kviews
Compare 3G and 4G technologies.
written 5.6 years ago by | • modified 5.6 years ago |
Subject : Mobile Communication
Topic : 4G Wireless Networks
Difficulty : Medium
ADD COMMENT
EDIT
1 Answer
written 5.6 years ago by | • modified 5.6 years ago |
Subject : Mobile Communication
Topic : 4G Wireless Networks
Difficulty : Medium
written 5.6 years ago by |
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 |