dab+ basics dab+ family of digital transmitters and dab+ coverage
DESCRIPTION
A briefer on DAB+ Digital Technology and Elenos family of DAB+ transmitters and typical coverage of DAB+ low-medium power transmitters.TRANSCRIPT
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DAB+ Basics, DAB+ Family of Digital Transmitters and
DAB+ Coverage
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DAB Overview
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What is Digital Radio?
www.elenos.com
Radio has traditionally been delivered by AM and FM •AM – 1920s (MW : 531 - 1611kHz) •FM – 1940s (Band II : 87.5 – 108MHz)
Multiple Digital Radio standards -DAB / DAB+ / T-DMB -DRM / DRM+ -HD -ISDB-T
DAB family of standards have the widest acceptance, the most available receivers, the widest choice of infrastructure and the overall lowest cost
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The DAB Family of Standards
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The Eureka Family of Standards
• DAB : 1995 Original audio with PAD and data services standard • T-DMB : 2006 Added video services for Mobile TV and enhanced
data streaming • DAB+ : 2007 Enhanced audio service efficiency
Why DAB+?
• 2.5 times more audio services than DAB due to the use of HE AAC+ v2 • Slightly better coverage – 1 to 2dB better than DAB – better FEC coding • More flexibility for Programme Associated Data delivery • PAD content has much stronger error protection
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DAB Standards
www.elenos.com
For detailed description of the DAB+ system refer to the following ETSI standards documents
•EN 300 401 Main document •TR 101 496-1, -2, -3 Guidelines of use and operation •TS 102 563 Transport of AAC audio
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DAB Features
www.elenos.com
More stations with digital quality sound
The ability to select a service (station) from a list
The ability to broadcast Program Associated Data • Text • Images • Information is transmitted with the audio stream
The ability to broadcast independent Data Services • Electronic Program Guide • Journaline • Customer applications, e.g. Financial data, Education data
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Other DAB Features
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Program information - Announcements (verbal interruptions to normal program)
- Traffic - News and Weather - Emergency warnings
- Program type - Rock, Light Classics, Country, Current Affairs, News etc
o Multiple Languages supported
Ensemble identifiers - Ensemble ID - Frequency used - Region ID - Service ID - Transmitter Identification (TII code)
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Typical FM Network
www.elenos.com
100.3
98.2
97.5
104.3
102.5102.8
93.3100.1
95.4
95.7
103.4
101.5100.1
92.5
2 stations using 14 FM frequencies! (example) 2 stations using totally 45 000 W ! (example)
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DAB+ RF Spectrum
www.elenos.com
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DAB+ Transmission Australia
www.elenos.com
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DAB+ Network
www.elenos.com
20 stations using 1 DAB frequency (SFN) 20 stations using totally 10 000 W for same coverage (example)
MULTIPLEXER
SFN
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Typical DAB System
www.elenos.com
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Typical DAB RF System
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DAB+ Transmitter Channel Filter
Antenna System
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Our Company and Technology
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About ELENOS…
www.elenos.com
Started in 1977……..
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www.elenos.com
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Our CUSTOMERS Say…
www.elenos.com
“ Very reliable products and wonderful assistance “
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FM From 150 W…
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What makes us DIFFERENT?...
www.elenos.com
o We build our own power supplies to maintain the highest quality standard
o Planar technology: Reduced number of parts Reduced failure Reduced heat consumption Increased efficiency
o Tropicalized Circuit Boardso Icefet, Ecosavings lifeXtender
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Product Compliance – ETSI and FCC
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o EN 60215 Health and Safety Requirementso EN301 489-1 Electromagnetic
Compatibilityo EN 302 018-2 Measures for the Efficient
Use of the radio Frequency Spectrumo FCC Part 73.801 Low Power FM Broadcast
Stations (LPFM)o EN 300 401 DAB
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www.elenos.com
Other Certifications
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www.elenos.com
Planar Technology
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www.elenos.com
ELENOS RF design “philosophy”:Very high efficiency in all output power ranges
Very low temperaturesVery long product life
ICEFET Technology…
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www.elenos.com
Infrared view…
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www.elenos.com
ECOSAVING Quality…
The new generation of transmitters by ELENOS that are highly efficient, resulting in a big advantage for the ecology and for the
cost of operation.A “Win-Win” Combination
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www.elenos.com
LIFEXTENDER Technology…
System (hardware and software) that allows safe transmitter function in
extremely tough environmental conditions, maintaining performance
standards.
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www.elenos.com
LIFEXTENDER Technology…
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www.elenos.com
Non- Corrosive Design
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www.elenos.com
Power Supplies
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www.elenos.com
RF and Low Pass Filter Design
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www.elenos.com
Exciter Technology – Digital Option
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www.elenos.com
Direct-To-Channel Digital Exciter Technology
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www.elenos.com
Total Control
Lumina
Galaxy Tab
Galaxy Phone
iPad/iPad Mini
iPhone
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www.elenos.com
ECHOS3-EBOX Total Control…
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www.elenos.com
REMOTE MONITOR & CONTROL…
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DAB+ 4RU Products
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www.elenos.com
DAB 300/600… 1200
300 or 600 Watts of power in a 4U chassis saves that precious space at your
transmitter site
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www.elenos.com
DAB 300/600 Product Features Compact dimensions 4U rack size Weight max 38Kg (83.87Lbs) Easy to install and maintain Air Cooled – Six Intelligent Fans Remotable Control and
Management Energy saving, Ecosaving Pwr consumption: DAB600 2 KW
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www.elenos.com
DAB 300/600 Product Features SFN/MFN Network Operation Delay Compensation 1s, Steps 100
ns Adaptive Precorection (non Linear) Adjustable Crest Factor Reduction
(PAPR) Direct-toChannel Digital Exciter High MER – 33 dB DAB, DAB+. T-DMB Supported
Standards DAB Modes I, II, III, IV
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www.elenos.com
DAB300/ DAB600 …
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www.elenos.com
Front Panel…
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www.elenos.com
Rear Panel…
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www.elenos.com
Interfaces.........
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Antenna Coverage Maps Reference – Frank W. Massa
APAC Sales Manager 2/2014
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www.elenos.comwww.elenos.com
General Reference
• FM Coverage Criteria– The required minimum field strength to provide a
good stereo signal is:• 34.4 dBμV/m
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DAB Coverage – 300 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
Udon Thani Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend
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DAB Coverage – 600 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
Udon Thani Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend
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DAB Coverage – 1200 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
Udon Thani Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend
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DAB Coverage – 300 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
Nakhon Ratchasima Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend
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DAB Coverage – 600 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
Nakhon Ratchasima Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend
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DAB Coverage – 1200 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
Nakhon Ratchasima Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend
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DAB Coverage – 300 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
Bangkok Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend
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DAB Coverage – 600 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
Bangkok Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend
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DAB Coverage – 1200 Watts, 8 dB Antenna 120 m
www.elenos.comwww.elenos.com
Bangkok Coverage
35-55 dBµV/m
55-75 dBµV/m
75-100 dBµV/m
Legend
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Prepared by:Frank W. Massa Asia Pacific SalesElenos / 305 BroadcastM: +66 83 618-9333 T: +1 831 264-4159 [email protected]: fstarportTwitter: @fstarport