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| l |
Wireless
link is scarce resource, but is it well used by
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user/browser?
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| l |
Activity
Factor: percentage of time that channel is used to
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transmit
data
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Determination:
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u |
How
long is channel allocated to user
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X |
Trivial
for pure circuit-switched connection
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X |
More
complicated for CDMA, where channel is not always at full rate
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u |
How
much time is spent transferring user data
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X |
assuming
link bandwidth of 19.2 kbps
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X |
data
volume per session known from traces
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Activity
factors differ for uplink and downlink, but are
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constant
for period studied
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u |
Uplink:
11%
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u |
Downlink:
30%
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