Introduction to Power Management in Portable Personal Devices
Another important feature of Mobile Cellular System is “ Handof
f. ” When an MS goes
from one cell to another it needs to change to the BS of current cell site and possibly
assigned a different set of frequency channels. This phenomenon is called “ handover ” or
“ handoff ” (HO). The HO decision may be taken entirely by controlling station or may be
coordinated by MS.
1.3.2 Evolution of Cellular Systems
A common way of classifying mobile phone technologies is to defi ne them by generation.
The fi rst generation (1G) of mobile phones was based on analog ...
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