Difference Between 1G, 2G, 3G, 4G????

Parameter: 1G:1st Generation Mobile Network

Introduced in year:1980

Location of first commercialization: USA

Technology: AMPS(Advanced Mobile Phone System), NMT, TACS

Multiple Address/ Access system: FDMA

Switching type: Circuit switching

Speed(Data Rates): 2.4Kbps to 14.4 Kbps

Special Characteristic: First Wireless Communication

Features: Voice only

Supports:Voice only

Internet services: No Internet

Bandwidth: Analog

Operating frequencies: 800MHz

Band(Frequency) type: Narrow band

Carrier frequency: 30KHz

Advantages: Simpler(less complex)network elements

Disadvantages: Limited capacity, not secure, poor battery life, large phone size, background interference

Applications: Voice calls

Parameter: 2G:2nd Generation Mobile Network

Introduced in year:1993

Location of first commercialization: Finland

Technology: IS-95,GSM

Multiple Address/ Access system: TDMA, CDMA

Switching type: Circuit switching for Voice and packet switching for Data

Speed(Data Rates): 14.4 Kbps

Special Characteristic: Digital version of 1G technology

Features: Multiple user on single chanel

Supports:Voice and Data

Internet services: Narrowband

Bandwidth: 25 MHz

Operating frequencies: GSM:900MHz, 1800MHz CDMA:800MHz

Band(Frequency) type: Narrow band

Carrier frequency: 200KHz

Advantages: Multimedia features(SMS,MMS), Internet access and SIM introduced

Disadvantages: Low network range, slow data rates

Applications: Voice calls, Short messages, browsing(partial)

Parameter: 3G:3rd Generation Mobile Network

Introduced in year:  2001

Location of first commercialization: Japan

Technology: IMT2000, WCDMA

Multiple Address/ Access system:  CDMA

Switching type: Packet swithcing except for Air Interface

Speed(Data Rates): 3.1 Mbps

Special Characteristic: Digital broadband, speed increments

Features: Multiple features, Video call

Supports:Voice and Data

Internet services: Broadband

Bandwidth: 25 MHz

Operating frequencies: 2100 MHz

Band(Frequency) type: Wide band

Carrier frequency: 5 MHz

Advantages:High security, internation roaming

Disadvantages: High power consumption, Low network coverage, High cost of spectrum licence

Applications: video coferencing, mobile TV, GPS 

Parameter: 4G:4th Generation Mobile Network

Introduced in year:  2009

Location of first commercialization: South Korea

Technology: LTE, WiMAX

Multiple Address/ Access system:  OFDMA

Switching type: Packet swithcing 

Speed(Data Rates): 100 Mbps

Special Characteristic: Very high speeds, All IP

Features: High speed, Real time steamming

Supports:Voice and Data

Internet services: Ultra Broadband

Bandwidth: 100 MHz

Operating frequencies: 850 MHz, 1800MHz

Band(Frequency) type:  Ultra Wide band

Carrier frequency: 15 MHz

Advantages: High speed handoffs, MIMO technology, Global mobility

Disadvantages: Hard to implement, complicated hardware required

Applications: High speed applications, mobile TV, Wearable devices