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MOBILE HANDSETS
Contents

 Introduction
 Handset Architecture
 Handset Operating Systems
 Generations of mobile technology
 Mobile handsets according to technology
What Is A Mobile Handset?
 A mobile handset
 (handset) is an electronic
 device that provides
 services to users, e.g.:
    Managing address book
    Scheduling calendar
    Cellular telephony                     Example handsets:
    Accessing Internet, email   Apple iPhone, BlackBerry Storm, Palm
                                 TreoPro
 Handsets include
 smartphones and PDAs
What’s Inside a Mobile Handset?




            Source: [3]
Handset Architecture (1)

 Handsets use several hardware components:
   Microprocessor

   ROM

   RAM

   Digital signal processor

   Radio module

   Microphone and speaker

   Hardware interfaces

   LCD display
Handset Architecture (2)

 Handsets store system data in electronically-erasable
 programmable read-only memory (EEPROM)
    Service providers can reprogram phones without requiring
     physical access to memory chips
 OS is stored in ROM (nonvolatile memory)
 Most handsets also include subscriber identity
 module (SIM) cards
SIM Cards

 They include their own microprocessor and 16 KB –
  4 MB EEPROM
 They come in two sizes
 Their versatility arises from portability of
  information
    SIM card identifies subscriber to network
    Stores personal information, address books, messages, service-
     related information
Handset Operating Systems

 Currently, handsets run several OSes:
   Symbian OS
   iPhone OS (an embedded version of OS X)
   Windows Mobile
   BlackBerry OS
   Google Android Platform (based on Linux)

 With the exceptions of Symbian and Android,
  these OSes are proprietary [9–10]
 Telecom carriers frequently “lock down” handset
  firmware, OSes to prevent user modifications
Advantages of mobile technologies
Mobile handests ppt
0G TELEPHONES
1G MOBILE HANDSETS
Ex for 2G MOBILE HANDSET
Ex for 3G mobile handset
Some examples for 4G mobile handsets
CONCLUSION


 So by this presentation we can examine that as the
 technology is developing the compatibility and the
 features of the mobile handsets are increasing day by
 day.
Mobile handests ppt

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Mobile handests ppt

  • 2. Contents  Introduction  Handset Architecture  Handset Operating Systems  Generations of mobile technology  Mobile handsets according to technology
  • 3. What Is A Mobile Handset?  A mobile handset (handset) is an electronic device that provides services to users, e.g.:  Managing address book  Scheduling calendar  Cellular telephony Example handsets:  Accessing Internet, email Apple iPhone, BlackBerry Storm, Palm TreoPro  Handsets include smartphones and PDAs
  • 4. What’s Inside a Mobile Handset? Source: [3]
  • 5. Handset Architecture (1)  Handsets use several hardware components:  Microprocessor  ROM  RAM  Digital signal processor  Radio module  Microphone and speaker  Hardware interfaces  LCD display
  • 6. Handset Architecture (2)  Handsets store system data in electronically-erasable programmable read-only memory (EEPROM)  Service providers can reprogram phones without requiring physical access to memory chips  OS is stored in ROM (nonvolatile memory)  Most handsets also include subscriber identity module (SIM) cards
  • 7. SIM Cards  They include their own microprocessor and 16 KB – 4 MB EEPROM  They come in two sizes  Their versatility arises from portability of information  SIM card identifies subscriber to network  Stores personal information, address books, messages, service- related information
  • 8. Handset Operating Systems  Currently, handsets run several OSes:  Symbian OS  iPhone OS (an embedded version of OS X)  Windows Mobile  BlackBerry OS  Google Android Platform (based on Linux)  With the exceptions of Symbian and Android, these OSes are proprietary [9–10]  Telecom carriers frequently “lock down” handset firmware, OSes to prevent user modifications
  • 9. Advantages of mobile technologies
  • 13. Ex for 2G MOBILE HANDSET
  • 14. Ex for 3G mobile handset
  • 15. Some examples for 4G mobile handsets
  • 16. CONCLUSION  So by this presentation we can examine that as the technology is developing the compatibility and the features of the mobile handsets are increasing day by day.