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n |
Wireless
Spectrum scarce, shared among many different
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users
with distinct needs
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n |
Need
either license to operate in specific frequency band or
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use
unlicensed frequency band
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n |
Unlicensed
bands: no limit on number of users, but rules
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governing
“behavior”
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n |
Licenses
used to be given away basically for free, but this
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became
controversial, plus governments saw this as easy
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source
of revenue…..
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n |
Need
for international standardization: meetings every 2
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years
(WARC), many international standards bodies and
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regulatory
offices involved
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