MOBILE COMPUTING

Mobile computing can be defined as computing environment over physical mobility, the user of a mobile computing environment will be able to access data, information or other logical objects from any device in any network while in the move. Mobile computing system allows a user to perform a task from anywhere using a computing device in the public (the web), corporate (business information) and personal information sales (medical record, address book). While on the move, the preferred device will be a mobile device, while back at home or in the office the device would be a desktop computer. To make the mobile computing environment existing everywhere, it is necessary that the communication bearer is speed over both wired and wireless media. Be it for the mobile work force, holiday makers, enterprises or rural population, the access to information and virtual objects through mobile computing are absolutely necessary for optimal use of resource and increased productivity.

Mobile computing is based in different contexts with different names. The most common names are:- 

MOBILE COMPUTING : The computing environment is mobile and moves along with the user. This is similar to the telephone number of GSM phone,which moves with the phone. The off-line (local) and real-time (remote) computing environment will move with the user. In real-time mode users will be able to use all his remote state and service online. 

ANYWHERE, ANYTIME INFORMATION : This is the general definition of obliquity, where the information is available anywhere, all the time. 

VIRTUAL HOME ENVIRONMENT : Virtual Home Environment (VHE) is defined as an environment in a foriegen network such that the mobile users can experience the same computing experience as they have in their home or corporate computing environment.

NOMADIC COMPUTING : The computing environment is nomadic and moves along with the mobile user. This is true for both local and remote services. 

PERSASIVE COMPUTING : A computing environment, which is pervasive in nature and can be made available in any environment. 

GLOBAL SERVICE PORTABILITY : The making a service portable and available in every environment. Any service of any environment will be available globally.