Mobile Computing

Department of BCA

HOW TO DEFINE??? Mobile computing is a generic term describing one's ability

to use technology while moving, as opposed to portable computers, which are only practical for use while deployed in a stationary configuration.

Many types of mobile computers have been introduced since the 1990s, including the:

Wearable computer Personal digital assistant /Enterprise digital assistant Smart phone Carputer UMPC Pocket PC

Why Mobile Computing ?

People are mobile

Devices are mobile

DIFFERNENT COMPUTING DEVICES

Mobile Computing Devices

What is Mobility?

A person who moves• Between different geographical locations

• Between different networks

• Between different communication devices

• Between different applications

A device that moves• Between different geographical locations

• Between different networks

Wireless Networks

Mobile Applications

Vehicles• transmission of news, road condition etc

• ad-hoc network with near vehicles to prevent accidents

Emergencies• early transmission of patient data to hospital

• ad-hoc network in case of earthquakes

• military

Mobile Applications

Traveling salesmen• direct access to central customer files

• consistent databases for all agents

• mobile office

Web access• outdoor Internet access

• intelligent travel guide with up-to-datelocation dependent information

Mobile Applications

Location aware services• find services in the local environment, e.g. printer

Information services• push: e.g., stock quotes

• pull: e.g., nearest cash ATM Disconnected operations

• mobile agents, e.g., shopping Entertainment

• ad-hoc networks for multi user games

Mobile applications in the Industry

Wireless access: (phone.com) openwave Alerting services: myalert.com Location services: (airflash) webraska.com Intranet applications: (imedeon)

viryanet.com Banking services: macalla.com Mobile agents: tryllian.com

Limitations of mobile computing

Insufficient bandwidth Security standards Power consumption Transmission Interferences Potential Health Hazards Human Interface with devices

QUALITY OF DATA

Mobile computing enables immediate validation of the data

It reduces the transcription error for survey like applications

Using networking, information can be made available in near real-time

Very fast turn around time from data collection to analysis and reporting. This can translate into significant cost saving.

THANK YOU