The original 802.11 Power Save, along with the more recent WMM Power Save add
small incremental impro
vements to the battery life of Wi-Fi portable devices, but for
the larger improvements needed to make mobile Wi-Fi technology viable, much more is
needed. This extra push has occurred by way of the chips that are used in Mobile Wi-Fi
devices. Wi-Fi chipmakers know that for the technology to become popular, and thus for
them to sell a lot of chips, the chips have to be very power thrifty.
1.4 Summary
Nomadicity refers to the system support needed to provide a rich set of computing,
communications and multimedia ...
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