Cellular Phones : Introduction, Hardware,Features, Os, & Others

Cellular Phones

Contents

1. 1. Introduction to Cellular Phones
   1. 1.1 Hardware
      1. 1.1.a Processors in Mobile phones
      2. 1.1.b Memory in Mobile phones
      3. 1.1.c Battery life in Mobile phones
      4. 1.1.d Mobile phone screen
      5. 1.1.e Keypads
   1. 1.2 Mobile phone Operating Systems
      1. 1.2.a Apple iOS
      2. 1.2.b Google Android
      3. 1.2.c Microsoft Windows phone 7
      4. 1.2.d Nokia Symbian
      5. 1.2.e BlackBerry OS
      6. 1.2.f Bada OS

1. 2. Wireless Network Technologies
   1. 2.1 GSM (Global System For Mobile Communication)
   2. 2.2 CDMA (Code Division Multiple Access)
   3. 2.3 iDEN (Integrated Digital Enhanced Network)

1. 3. Cell phone Technologies
   1. 3.1 1G
   2. 3.2 2G
   3. 3.3 2.5G (GPRS)
   4. 3.4 3G (EDGE)
   5. 3.5 3.5G (UMTS)
   6. 3.6 3.5G (HSDPA)
   7. 3.7 4G
   8. 3.8 5G