Mobile Broadband and Sub 1 GHz Harmonisation

Dr. Andrew KeransExecutive Manger, Spectrum Infrastructure Branch

IT’S NOT ABOUT SPECTRUM—

IT’S ABOUT DATA

MAXIMUM DATA =

PLANNINGSPECTRUMEFFICIENTLY

>World picture

B = 0

kTB > 0

kTB + I >> 0

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?

GUARD BANDS =

INEFFICIENCY

TDD = Panacea?

NO!

TDD TRX TDD TRX

THEORY: MOBILE

=HIGHEST VALUE

USE

IS ALL DATACREATED

EQUAL?

IN EXCESS OF33 BILLION

HITS WERE RECORDED ON THE

BUREAU OF METEOROLOGY

WEBSITE IN2010-2011

EFFICIENCY + BALANCE +

HARMONISATION=

VIBRANT MOBILE FUTURE

Questions

http://en.wikipedia.org/wiki/Conder_plot