1. Network Structure of 3rd Generation

2. Content What is the 3G ? What are the features of 3G? Radio interfaces of 3G W-CDMA 1. W-CDMA 2. CDMA2000 3. UMTS 4. EDGE

3. WCDMA ( Wide Code Division Multiple Access) DS-CDMA Wide Band Services 3GPP Then WCDMA 5 Mgh wide band Voice,data,image,video TDD (same frequency) FDD (sperated frequency) 2 Mbps (local area access) 384 Kbps (wide area access)

4. WCDMA & GSM

5. CDMA2000 Multible Access Shame mobile digital radio technology Delivers data and voice CDMA2000 1x(1.25Mhz radio chanel) CDMA2000 3x (3.75Mhz radio chanel)

6. UMTS ( Universal Mobile Technology System ) 3GSM 3G+GSM Faster Than GSM 384kbit/s to 1920kbit/s Video Conferance Watching Video

7. EDGE( Enhanced Data rates for GSM Evolution ) increased data transmission Enlarge bandwidth transmission reliability Between 100 and 380 kbit Encryptiont