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Mobility: Mobility refers to anywhere communication and is necessary
to that we can use the system anywhere and anytime
and is done by location tree chinp,hand off's and control of mobility.

Ether: Ether refers to the medium used for communication which
is RF,Radio frequency and it is used because we wantthe wireless medium.

Energy: Energy refers to the battery like of the equipment(all
phone) and we want it be last long and the size should be compact, which is done by using VLSI and digital signal processing.

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Posted by nicholsonfenix