1. 4G
1.1. 2009
1.1.1. South Korea
1.2. Wimax ,LTE(Long Term Evolution)
1.2.1. Packet
1.2.1.1. CDMA
1.3. 100 Mbps
1.3.1. Data & Voice
1.3.1.1. Ultra-BroadBand
1.4. 850-1800 Mhz
1.4.1. 15 Mhz
1.4.1.1. 100Mhz
1.5. Advantages
1.5.1. High Speed Never Seen before
1.6. Disadvantages
1.6.1. Difficult Implemantation
1.6.2. Needs Complex Hardware
1.7. Application
1.7.1. Voice Call
1.7.2. SMS
1.7.3. MMS
1.7.4. Mobile TV
1.7.5. VPN
1.7.6. GPS
1.7.7. High Speed Mobile & Web Apllications
2. 3G
2.1. 2001 - Japan
2.2. IMT-2000,WCDMA,SCDMA
2.2.1. Packet
2.2.1.1. CDMA
2.3. 3.1 Mbps
2.3.1. Data And Voice
2.3.1.1. Broadband (Internet)
2.4. 2100 Mhz
2.4.1. 5 Mhz
2.4.1.1. 25 Mhz
2.5. Disadvantage
2.5.1. High Power Consumption
2.5.2. High Cost Of Spectrum Licenses
2.6. Advantages
2.6.1. High Security And International Roaming
2.7. Application
2.7.1. Voice
2.7.2. SMS
2.7.3. MMS
2.7.4. VPN
2.7.5. Mobile Tv
2.7.6. GPS
2.7.7. Video Conferencin
2.7.8. VoIP
3. 1G
3.1. 1980
3.1.1. USA
3.2. AMPS (Advance Mobile Phone System),NMT (Nordiac Mobile Telephone)
3.2.1. Circuit Switching
3.2.1.1. FDMA
3.3. 2.4-14.4 Kbps
3.3.1. No Internet
3.4. 800 Mhz
3.4.1. 30 Khz (Carrier Frequency)
3.5. Advantages
3.5.1. Simple & Easy To Use
3.6. Disadvantages
3.6.1. Limited Capacity
3.6.2. Susceptible To Noise
3.6.3. Frequent Call Drop
3.6.4. Poor Battery Life
3.6.5. Poor HandOff
3.7. Applications
3.7.1. Voice Calls
4. 2.5G
4.1. 1997 - Finland
4.2. GPRS(General Packet Radio Service)
4.2.1. Packet
4.2.1.1. TDMA And CDMA
4.3. 20-40 Kbps (171.2 For GPRS)
4.3.1. Data,Voice & Sma
4.3.1.1. Narrowband (Internet)
4.4. 850-1900 Mhz
4.4.1. 200 Khz
4.4.1.1. 25 Mhz (Bandwidth)
4.5. Advantages
4.5.1. Supports SMS
4.5.2. Support MMS
4.5.3. High Speed Internet
4.6. Disadvantages
4.6.1. Low Network Range
5. 2G
5.1. 1993 - Finland
5.2. IS-95,GSM(Global System Mobile)
5.2.1. Circuit Switching For Voice & Packet Switching For Data
5.2.1.1. TDMA & CDMA
5.3. 14.4 Kbps
5.3.1. Data , Voice & Sms
5.3.1.1. Narrowband (Internet)
5.4. 900-1800 Mhz
5.4.1. 200Khz
5.5. Advantages
5.5.1. Sim & Internet Was Started
5.6. Disadvantage
5.6.1. Slow Data Rate
5.6.2. Low Network Range
5.7. Applications
5.7.1. Voice Calls
5.7.2. Sms
5.7.3. Fax