Motorola V323I - Cell Phone - CDMA2000 1X User Manual download pdf (Page 5)

Telcom 2700/INFSCI 1071

Mobility Issues

• Mobility Types

– User mobility : user can access network while mobile

• must handoff calls/connections in progress as user moves

• track users as they move so they can receive info/calls

– Service mobility: user’s services follow them

• Need to have authentication and services follow user

• Degree of Mobility

– Geographic range

• ranges from a house/apartment to worldwide

– Speed

• ranges from stationary to bullet train

• cordless phone vs. cell phone

• Mobility Æ portable device

Telcom 2700/INFSCI 1071

Device Issues

• Mobile Device Issues

– Portability

• Device and accessories size and weight

– Usability

• User characteristics (size, dexterity, knowledge, etc.)

• Environment characteristics (Temperature, degree of mobility,

etc)

• Device Characteristics

– startup time

– data integrity and security

– cpu speed and memory size

– power supply

– user interface (keypad, stylus, voice, etc.)

– Functionality (standalone, network dependent)

– Connectability (always, partial, never)

• In general have a limited power supply, user interface

and speed compared to stationary device

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Motorola V323I - Cell Phone - CDMA2000 1X User Manual Page 5