Mobile computing can be defined as a computing environment over physical mobility.
The user of a mobile computing environment will be able to access data, information or
other logcal objects from any device in any network while on the move. Mobile com-
puting 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 spaces
(medical record, address book). While on the move, the preferred device will be a mobile
device, while back at home or in the ofliur the device could be a desktop computer. To
make the mobile computing environment ubiquitous, it is necessary that the communi-
cation bearer is spread over both wired and wireless media. Be it for the mobile work-
force, holidaymakers, 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 used in different contexts with diflerent names. The most common
names are:
0 Mobile Computing: The computing environment is mobile and moves along
with the user. This is similar to the telephone number of a GSM (Global System
for Mobile communication) phone, which moves with the phone. The offline
(local) and realtime (remote) computing environment will move with the user. In
realtime mode user will be able to use all his remote dam and services online.
o Anywhere, Anytime Information: This is the generic definition of ubiquity,
where the information is available anywhere, all the time.
0 Virtual Home Environment: Virtual Home Environment (VI-IE) is defined as
an environment in a foreign network such that the mobile users can experience
the same computing experience as they have in their home or corporate com-
puting environment. For example, one would like to put ones room heater on
when one is about 15 minutes away from home.
0 Nomadic Computing: The computing environment is nomadic and moves
along with the mobile user. This is true for both local and remote services.
The user of a mobile computing environment will be able to access data, information or
other logcal objects from any device in any network while on the move. Mobile com-
puting 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 spaces
(medical record, address book). While on the move, the preferred device will be a mobile
device, while back at home or in the ofliur the device could be a desktop computer. To
make the mobile computing environment ubiquitous, it is necessary that the communi-
cation bearer is spread over both wired and wireless media. Be it for the mobile work-
force, holidaymakers, 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 used in different contexts with diflerent names. The most common
names are:
0 Mobile Computing: The computing environment is mobile and moves along
with the user. This is similar to the telephone number of a GSM (Global System
for Mobile communication) phone, which moves with the phone. The offline
(local) and realtime (remote) computing environment will move with the user. In
realtime mode user will be able to use all his remote dam and services online.
o Anywhere, Anytime Information: This is the generic definition of ubiquity,
where the information is available anywhere, all the time.
0 Virtual Home Environment: Virtual Home Environment (VI-IE) is defined as
an environment in a foreign network such that the mobile users can experience
the same computing experience as they have in their home or corporate com-
puting environment. For example, one would like to put ones room heater on
when one is about 15 minutes away from home.
0 Nomadic Computing: The computing environment is nomadic and moves
along with the mobile user. This is true for both local and remote services.
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