technology and business potentials and conditions for...
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Technology and Business Potentials andandConditions for Market Introduction
Volker Schmitt - Norbert Hilbich
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Technology development
Lab W in 1957Lab W in 1957(Lab W later became Sennheiser electronic)
L b W hibi RF i lLab W exhibits an RF wireless system for professional TV and
stage use, developed in cooperationstage use, developed in cooperation with German broadcaster NDR.
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Technology development
Evolution of wireless technologyEvolution of wireless technology
1978 1987
WM 1 h ld’1957
Modular Multichannel Diversity Receiver,
WM 1, the world’s first wireless mixer
f tdy ,
the Base for Live Productions
for outdoor broadcast use
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Productions
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Technology development
Evolution of wireless technologyEvolution of wireless technology
1957 2001
SK 5012SK 5012
world’s smallest professional bodypack
transmitter
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Technology development
In-Ear Monitor SystemsIn Ear Monitor Systems
System Control
Antenna Combiner
The
Combiner
Transmitting
The Transmitters
gAntenna Control Switch
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Technology developmentTechnology development
Musicals with wireless technologyMusicals with wireless technologyMusicals with wireless technology
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Technology development
Spectrum for wireless systems – secondary user statusSpectrum for wireless systems secondary user status
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Technology development
Spectrum for wireless systems – secondary user statusSpectrum for wireless systems secondary user status
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Technology development
UHF Spectrum in Germany – before Digital Dividend andUHF Spectrum in Germany before Digital Dividend and now
S i h t b l 790Services have to move below 790 MHz: user density will increase
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Technology development
UHF Spectrum in Germany – before Digital Dividend andUHF Spectrum in Germany before Digital Dividend and now
D t ti f t t H b St t l ti iDocumentation of spectrum use at Hamburg State election in 2008 and 2011. LTE Range was cleared partially already.
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Technology development
UHF Spectrum in Germany – before Digital Dividend andUHF Spectrum in Germany before Digital Dividend and now
Despite production size was only one third in 2011 compared with 2008 use of wireless links increased drastically because ofwith 2008 use of wireless links increased drastically because of cost saving effect. Remark: 2011 was an unplanned election!
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Technology development
Maintaining achieved production qualityMaintaining achieved production quality
C-PMSE Project to maintain reliability of wireless productions in a spectrum with increasing user densityproductions in a spectrum with increasing user density
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Technology development
Increase of user density in the remaining UHF rangeIncrease of user density in the remaining UHF range
Regulators are requested to support the C-PMSE project by assigning frequency ranges instead of fixed frequencies. This will make spectrum use more efficient as also small
spectrum gaps can be used.
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p g p
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Technology development
Maintaining interference free productionsMaintaining interference free productions
With C-PMSE Technology on hand professionals will exchange their exsiting equipment as they can only sell
interference free productions.
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