Radcomms2012, Session Four: Mobile broadband and sub 1 GHz harmonisation - Dr. Andrew Kerans, ACMA
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Transcript of Radcomms2012, Session Four: Mobile broadband and sub 1 GHz harmonisation - Dr. Andrew Kerans, ACMA
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Mobile Broadband and Sub 1 GHz Harmonisation
Dr. Andrew KeransExecutive Manger, Spectrum Infrastructure Branch
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IT’S NOT ABOUT SPECTRUM—
IT’S ABOUT DATA
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MAXIMUM DATA =
PLANNINGSPECTRUMEFFICIENTLY
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>World picture
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B = 0
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kTB > 0
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kTB + I >> 0
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𝑃1[𝐼𝑛 𝑏𝑎𝑛𝑑] = 0.25 𝑃2[𝐼𝑛 𝑐ℎ𝑎𝑛𝑛𝑒𝑙] = 0.3 𝑃3[𝐼𝑛 𝑅𝑥 𝑚𝑎𝑖𝑛 𝑏𝑒𝑎𝑚] = 0.1 𝑃4[𝑃𝑇𝑥ሺ𝑚𝑎𝑥ሻ] = 0.1 𝑃5[𝑀𝑎𝑟𝑔𝑖𝑛𝑎𝑙 𝑇𝑉𝑅𝑥] = 0.2 𝑃6[𝐹𝑢𝑙𝑙 𝐿𝑇𝐸 𝑐ℎ𝑎𝑛𝑛𝑒𝑙] = 0.1 𝑃7[𝑁𝑜 𝑐𝑙𝑢𝑡𝑡𝑒𝑟] = 0.2 𝑃8[𝑆𝑡𝑎𝑡𝑖𝑐 𝑇𝑥] = 0.3
ෑ� 𝑃𝑖 =8𝑖=1 0.0000009
WHAT ARE THE CHANCESOF INTERFERENCE?
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GUARD BANDS =
INEFFICIENCY
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TDD = Panacea?
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NO!
TDD TRX TDD TRX
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THEORY: MOBILE
=HIGHEST VALUE
USE
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IS ALL DATACREATED
EQUAL?
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IN EXCESS OF33 BILLION
HITS WERE RECORDED ON THE
BUREAU OF METEOROLOGY
WEBSITE IN2010-2011
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EFFICIENCY + BALANCE +
HARMONISATION=
VIBRANT MOBILE FUTURE
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Questions
http://en.wikipedia.org/wiki/Conder_plot