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PRESENTED
    BY
 Srilaxmi &&
 Saiteja
CSE III YEAR
Introduction to mobile computing
History of mobile computing
Existence of celluar network architecture
Data communications
Mobile aspects and devices
Portable computing devices
Security involved in mobile computing
 Application of mobile computing
Technical and other limitations
 Future
A technology that allows transmission of data ,via computer
without having to be connected to fixed physical link

  An extension of this mobile voice communication
technology is the ability to send and receive data across these
celluarnetworks.this is the principle called of mobile
computing
  Mobile data communication has become a very important
and rapidly evolving technology as it allows users to transmit
as it allows users to transmit data from fixed location
In 1890 Marconi invented the wireless telegraph by
encoding wire less telegraph by encoding the alphanumeric
characteristics in analog signals

  In 1960 military had started using different types of wireless
For many communications devices for many years .it has
created great advances in space programs
  Later in 1990’s satellite systems emerged and were
commercialized. With arrival of communication system,the
quality of service reliability increased enormously
  Later many technologies such as wi-fi,bluetooth,2G,3G
emerged to make a mobile
Mobile telephone took off with the introduction of
celluar technology which allowed the efficient
utilization
of frequencies enabling the connection of a large
number of user
   A celluar network consits of mobile units linked
together to switching equipment,which interconnect
the diiferent parts of network and allows acess to find
the public switched telephone
network (PTSN)
   The MSC(mobile switching centre )is the heart of
a celluar radio system it is responsible for routing ,or
switching ,calls from the orginator to the
The frequencies used vary according to the celluar network
.for GSM,810-915mhz range is used for transmission and 935-
960 for reception.The DCS technology uses technology in the
1800mhz range while pcs in the 1900 range
  In during calls the MS moves to an adjacent cell then of
frequency will necessarily occur –since adjacent cells never use
the same channels .This procedure is called hand over and is the
key to mobile computing
Data communication is the exchange of data using existing
Communication networks .The term data covers a wide range
Of applications including .file transfer (FT),interconnection
between
Wide area network (WAN),facsimile ,electronic mail acess to the
internet and the word wide web(WWW)
   Circuit switching implies that data from any one user to another
has t0 follow a specified path
Packet switching is an attempt to make better utilisation of the
existing network by splitting the message to be sent into packet
 The most widely used are VIRTUAL CIRCUIT SWITCHING
And data gram
A portable computer is a general
purpose computer that can be easily
moved from place to place,but
cannot while in transmit i.e it
requries AC power source
 portable computers are also called
as “transportable or luggable”pc

  A Table computer that lacks a
keyboard is shaped like slate or a
paper or a notebook shaped
A personal digital assistant is a
small,usually pocket sized
Computer with limited
functionality .it intended to
supplement and to synchronize
with a desktop computer
ASPECTS

  Mobile communications
  Mobile hard ware
  Mobile software

DEVICES

 Personal and digital assistant/
 enterprise digital assistant
 Smartphone
 Tablet computer
 Ultra –mobile PC
An oppose to the benfits of being able to acess
information from any location through wireless
transmission ,there it faults with the need for security
protection
  In a wireless mobile communication enviornment ,the
messages transmitted over the wireless medium are
more susceptible when compared to wired network
   In order to provide security from evaes dropping pr
false identites,system use encryption which provides
confidentially of the messages sent over wireless
channel authenticate
For estate agents
In courts
In companies
Credit card verification
Electronic mail paging
Taxi trick dispatch
In sufficient band width
=>2G,3G,4G
Security standards
=> encryption/vpn
Transmission interference
=>multiple antennae
Human interface with device
=> tablet pc
The rapid technological advancement in artificial
intelligence ,integrated circuitry and increases in computer
processor speeds
  Due to their artificial intelligence they can change the
individual personal schedule according to their messages
   The working life style will change majority of people
working from home rather than commuting.this benfits
envoirnment
  The scary concept of a world full of inanimate zombies
sitting, locked to their mobiles stations every sphere lives via
computer screen becomes more real as technology in the field
of data communication
The future of mobile computing is very promising
indeed, although technology may go too far ,causing
detriment to society
Mobile computing is an important evolving
technology .it enables mobile personnel to
effectively communicate and interact with the
fixed organizational information system while
remaining unconstrained by physical location
   it is a versatile and potential strategic
technology that improves information quality
And accessibility increases operational
efficiency and enhances management
effectiveness
GH Forman J zahorajan-computer,1994-
do,ieeecomputersociety.org
David P.Helmbold “ dynamic disk down
technique for mobile
computing”,cirtesser.ist.psu.edu.1996

Landay ,J.A kaufmann ,T.R, “user
interfaces issues in mobile
computing”,workstation operating system
,1993
http://www.blm.gov/wo/st/en/prog/more/be
a/glossary.html#m

http://mobileman.projects.supsi.ch/glossary.
html
THANK U
   ?

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Copy of saitejabaddam07

  • 1. PRESENTED BY Srilaxmi && Saiteja CSE III YEAR
  • 2.
  • 3. Introduction to mobile computing History of mobile computing Existence of celluar network architecture Data communications Mobile aspects and devices Portable computing devices Security involved in mobile computing Application of mobile computing Technical and other limitations Future
  • 4. A technology that allows transmission of data ,via computer without having to be connected to fixed physical link An extension of this mobile voice communication technology is the ability to send and receive data across these celluarnetworks.this is the principle called of mobile computing Mobile data communication has become a very important and rapidly evolving technology as it allows users to transmit as it allows users to transmit data from fixed location
  • 5. In 1890 Marconi invented the wireless telegraph by encoding wire less telegraph by encoding the alphanumeric characteristics in analog signals In 1960 military had started using different types of wireless For many communications devices for many years .it has created great advances in space programs Later in 1990’s satellite systems emerged and were commercialized. With arrival of communication system,the quality of service reliability increased enormously Later many technologies such as wi-fi,bluetooth,2G,3G emerged to make a mobile
  • 6. Mobile telephone took off with the introduction of celluar technology which allowed the efficient utilization of frequencies enabling the connection of a large number of user A celluar network consits of mobile units linked together to switching equipment,which interconnect the diiferent parts of network and allows acess to find the public switched telephone network (PTSN) The MSC(mobile switching centre )is the heart of a celluar radio system it is responsible for routing ,or switching ,calls from the orginator to the
  • 7. The frequencies used vary according to the celluar network .for GSM,810-915mhz range is used for transmission and 935- 960 for reception.The DCS technology uses technology in the 1800mhz range while pcs in the 1900 range In during calls the MS moves to an adjacent cell then of frequency will necessarily occur –since adjacent cells never use the same channels .This procedure is called hand over and is the key to mobile computing
  • 8. Data communication is the exchange of data using existing Communication networks .The term data covers a wide range Of applications including .file transfer (FT),interconnection between Wide area network (WAN),facsimile ,electronic mail acess to the internet and the word wide web(WWW) Circuit switching implies that data from any one user to another has t0 follow a specified path
  • 9. Packet switching is an attempt to make better utilisation of the existing network by splitting the message to be sent into packet The most widely used are VIRTUAL CIRCUIT SWITCHING And data gram
  • 10. A portable computer is a general purpose computer that can be easily moved from place to place,but cannot while in transmit i.e it requries AC power source portable computers are also called as “transportable or luggable”pc A Table computer that lacks a keyboard is shaped like slate or a paper or a notebook shaped
  • 11. A personal digital assistant is a small,usually pocket sized Computer with limited functionality .it intended to supplement and to synchronize with a desktop computer
  • 12. ASPECTS Mobile communications Mobile hard ware Mobile software DEVICES Personal and digital assistant/ enterprise digital assistant Smartphone Tablet computer Ultra –mobile PC
  • 13. An oppose to the benfits of being able to acess information from any location through wireless transmission ,there it faults with the need for security protection In a wireless mobile communication enviornment ,the messages transmitted over the wireless medium are more susceptible when compared to wired network In order to provide security from evaes dropping pr false identites,system use encryption which provides confidentially of the messages sent over wireless channel authenticate
  • 14. For estate agents In courts In companies Credit card verification Electronic mail paging Taxi trick dispatch
  • 15. In sufficient band width =>2G,3G,4G Security standards => encryption/vpn Transmission interference =>multiple antennae Human interface with device => tablet pc
  • 16. The rapid technological advancement in artificial intelligence ,integrated circuitry and increases in computer processor speeds Due to their artificial intelligence they can change the individual personal schedule according to their messages The working life style will change majority of people working from home rather than commuting.this benfits envoirnment The scary concept of a world full of inanimate zombies sitting, locked to their mobiles stations every sphere lives via computer screen becomes more real as technology in the field of data communication
  • 17. The future of mobile computing is very promising indeed, although technology may go too far ,causing detriment to society
  • 18. Mobile computing is an important evolving technology .it enables mobile personnel to effectively communicate and interact with the fixed organizational information system while remaining unconstrained by physical location it is a versatile and potential strategic technology that improves information quality And accessibility increases operational efficiency and enhances management effectiveness
  • 19. GH Forman J zahorajan-computer,1994- do,ieeecomputersociety.org David P.Helmbold “ dynamic disk down technique for mobile computing”,cirtesser.ist.psu.edu.1996 Landay ,J.A kaufmann ,T.R, “user interfaces issues in mobile computing”,workstation operating system ,1993 http://www.blm.gov/wo/st/en/prog/more/be a/glossary.html#m http://mobileman.projects.supsi.ch/glossary. html
  • 20. THANK U ?