5986-interference - 1 for use by intelsat customers only – please do not distribute. interference...
TRANSCRIPT
![Page 1: 5986-Interference - 1 For use by Intelsat customers only – please do not distribute. Interference Initiatives Andreas Spoormaker Director Customer Solutions](https://reader034.vdocuments.us/reader034/viewer/2022051401/56649e8f5503460f94b93115/html5/thumbnails/1.jpg)
5986-Interference - 1For use by Intelsat customers only – please do not distribute.
Interference Initiatives Interference Initiatives Andreas SpoormakerDirector Customer Solutions Engineering-Intelsat Africa
Andreas SpoormakerDirector Customer Solutions Engineering-Intelsat Africa
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Establishing an Interference-free Space Environment
• What is ?• Rallying the Industry
• Intelsat’s I3 Strategy
– Carrier ID
– Data Sharing
– RFI Alert
– Training and Certification
– Intelsat Internal Continuous Improvement
• WiMax and Terrestrial Interference
• The “Call to Action” – Working Together
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Training & Certification
Monitoring Tool Enhancements
Planning and Processes
Interference Metrics
Carrier ID (ATIS)
Data Sharing
RFI Alert Network
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Rallying the Industry
Focusing on Results
SatelliteOperatorsSatellite
OperatorsIndustryGroupsIndustryGroups
CustomerAdvisorsCustomerAdvisors
Manufacturers/Suppliers
Manufacturers/Suppliers
AMOS Intelsat
Arabsat JSAT
AsiaSat SAT-GE
Eutelsat SES
Hispamar StarOne
Hipasat Telemex
Inmarsat Telesat
GVF
NAB
SUIRG
WBU-ISOG
ABC Television
Gateway
Global Crossing
MTN/Seamobile
NHK
US Government
Vizada
Comstream
Comtech/EF Data
Glowlink
Paradise
Tandberg
TLS
Newtec
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Rallying the Satellite Operators
Satellite Operators Interference Satellite Operators Interference Reduction Working GroupReduction Working Group -Formed March 2009
• 18 satellite operators have joined
– Operator endorsement of I3 program goals
– Meeting monthly
– Subcommittees
• Carrier ID
• Operator RFI Alert Network
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Carrier ID (aka ATIS)
Training & Certification
Monitoring Tool Enhancements
Planning and Processes
Interference Metrics
Carrier ID (ATIS)
Data Sharing
RFI Alert Network
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Data Sharing & RFI Alert
Carrier ID (ATIS)
Data Sharing
Training & Certification
Monitoring Tool Enhancements
Planning and Processes
Interference Metrics
RFI Alert Network
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Internal Initiatives
Carrier ID (ATIS)
Data Sharing
Training & Certification
RFI Alert Network
Monitoring Tool Enhancements
Planning and Processes
Interference Metrics
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Intelsat Satellite Monitoring Network
Riverside
Dubna
Clarksburg
Bonair
Fucino 1-2
Montevideo
Ras Al Khaimah
Fuchsstadt
KumsanMountainside 1-2
Paumalu
Papenoo
Andover
Pretoria-Telekom
Ras Abu Jarjur
Castle Rock
Johannesburg
Bangalore
Fillmore 1&2
Atlanta 1-3
Wellington
Taiwan
Perth 1Perth 2
Hong Kong
Kazakhstan
KenyaNigeria
SydneyBosque Alegre
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Interference Types - 2010
Interference Types 2010
0
10
20
30
40
50
60
70
80
90
Adjacent SatelliteInterference
UnauthorizedCarrier
Cross-pol / Co-pol Sweeper Retransmit / FMRebroadcast
TransponderCompression
January
February
March
April
May
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Interference Metrics cont.
Copol / Xpol (May'10)
37
24
Customer Caused Unknown Source Satellite
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Interference Metrics cont.
Customer Caused Copol / Xpol (May'10)
18
32
14
Customer Source SNG Customer Source OU
Customer Source Full Time Carrier Customer Source VSAT
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Interference Metrics cont.
Unauthorized Carriers (May'10)
36
27
Customer Caused Unknown Source
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Interference Metrics cont.
Customer Caused Unauthorized Carrier (May'10)
24
115
3
11
Fulltime
Unauthorized Carrier Source - SNG Access
Unauthorized Carrier Source - SNG Other
Unauthorized Carrier Source - OU Access
Unauthorized Carrier Source - OU Other
Unauthorized Carrier Source - VSAT - Equipment Problem
Unauthorized Carrier Source - VSAT - Improper Installation
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Sweeper Plot
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Radar Interference Plot
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Effects of Interference
• Degradation of service – IP latency, video tiling, drop outs
• Loss of service
• Loss of revenue – ad revenue, loss of bandwidth to sell
• Manpower costs – satellite operator ops centers, customer ops centers to isolate and remove offending signal, escalations
• Tool costs – monitoring systems, geolocation systems
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Carrier Management Center RFI Checks
• Cross-pole Interference
• Adjacent Satellite Interference
• High Power Carrier
• Weather Conditions
• Transponder Saturation / Compression
• Satellite Flyby
• Sun Interference
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Global Monitoring System (GMS)
• Supports a variety of Operator activities including
– Satellite accesses
• Power spectrums
• Carrier and transponder measurements
• Cross-pol support
– Diagnostics
• Carrier characterizations
• Interference analysis (Signal Under Carrier)
• Transponder compression (TOP)
• Background monitoring
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GMS Digital Signal Processor
• Primary monitoring engine
– Performs data acquisition
– Power spectrum generation
– Transponder measurements
• TOP, transponder EIRP
– Carrier measurements
• Spectral
• Characterization
• Signal Under Carrier measurements
– Generates out-of-tolerance alarms
• For carriers and transponders
• Makes fast, accurate carrier and transponder measurements
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GMS Interference Detection and Characterization
• The Signal Under Carrier (SunCar) detects, measures and characterizes in-band carrier interference
• Measurement occurs while carrier remains in service
• Simultaneous display of carrier and underlying interference
• In-Band noise extraction and display
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What is Geolocation?
• Both the Transmitter Locator System (TLS) and the Glowlink Systems are passive systems that identify the geographic location of ground based satellite transmitters.
• TLS has been in use for approximately 10 years.
• Glowlink has been in use for approximately 3 years.
• Both systems have been used effectively to locate the source of many interferences.
• Solutions from the TLS and Glowlink, when possible, helps significantly to reduce the time to identify the offenders.
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Geolocation View
• An adjacent satellite with comparable uplink beam coverage, frequency usage, and polarization
• Antenna connected to the system within the downlink beam for each satellite
• Carriers with known locations on the beam to be used for calibration
• Ephemerides for both spacecraft
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Geolocation results
• Geolocation operator must evaluate the results to determine if the system is indicating any errors such as inaccurate ephemeris or incorrect geographic locations on reference carriers.
• The errors would then be corrected and the results would be reproduced.
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Geolocation results
• Operator would continue to evaluate to possibly fine tune the results.
• More reference carriers can be added from the region initially indicated to provide a much smaller and accurate ellipse in some cases.
• In other cases the measurements may need to be made over a longer period of time to provide the most accurate results.
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Training & Certification
Carrier ID (ATIS)
Data Sharing
Training & Certification
Monitoring Tool Enhancements
Planning and Processes
Interference Metrics
RFI Alert Network
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Training and Certification
• Over 90% of RFI is caused by uplinker error and/or faulty equipment
• Intelsat has established a 3-year training initiative
• Program goal
– Identify customers with greatest RFI incidents
– Invest in online training for up to 400 customer technicians annually, Provide training FREE of charge(GVF510 course)
• Program launched October, 2009
• Training vendors selected and endorsed by Intelsat:
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Training Certificates available during this meeting…
****
** Offer extended into 2010** Offer extended into 2010
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Training and Certification Program
http://www.slingpath.com
Promotion code – EYE3-09
http://www.slingpath.com
Promotion code – EYE3-09
http://www.gvf.coursehost.com
Developing Nations:
Promotion Code – IntelsatI3DCDeveloped Nations:
Promotion Code – IntelsatI3
http://www.gvf.coursehost.com
Developing Nations:
Promotion Code – IntelsatI3DCDeveloped Nations:
Promotion Code – IntelsatI3
Intelsat has negotiated ‘group rate’ for installer and operator trainingIntelsat has negotiated ‘group rate’ for installer and operator training
Intelsat encourages all customers to:• Train installation and teleport staff• Use only trained and certified integrators/installers
Intelsat encourages all customers to:• Train installation and teleport staff• Use only trained and certified integrators/installers
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• How can you help?
– Ensure your company gets the 2 Free On-line Training passes
– Train installation and teleport staff – take advantage of negotiated discounts
– Use only trained and certified integrators/installers
– Encourage your peers in other companies to train staff and use trained certified installers
– Talk to your equipment vendors – tell them you support Carrier ID
• RFI Mitigation and Prevention needs everyone to do their part
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Tackling InterferenceGoals for 2010
• Data sharing
– More eyes = quicker resolution
– Better information = quicker identification of offender
• Training/Certification sign ‘em up & certify ‘em
– Require certified operators only to access?
• Carrier ID... Customers need to speak up
– Manufacturers skeptical unless their customers push
– Video manufacturers implement ID in their systems
– Data and VSAT agree on how to implement
– Create a realistic timeline for implementation
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Tackling InterferenceHow can you help…
• Access properly
• Use quality and correct sized equipment
• Maintain approved carrier parameters
• Correct issues in a timely manner when they are the cause
• Train and certify your installers and operators
• Use certified installers and operators
• Vendors implement carrier ID
• Use equipment that has carrier ID capability
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Training & Certification
Monitoring Tool Enhancements
Planning and Processes
Interference Metrics
Carrier ID (ATIS)
Data Sharing
RFI Alert Network
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Combating Terrestrial Interference and WiMax
• The Wireless Access Debate… Far from Over
• Global Allocation Avoided
• 2007 World Radiocommunications Conference (WRC 07) – No Change on C-band
• Shifting from a Global to National Level
• Local licensing of WiMax-like applications in C-band
• Wireless and Fixed Satellite Service (FSS) applications cannot coexist
• Terrestrial services deployed in-band
• Out-of-band signals generate interference to FSS above 3700 MHz
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Terrestrial Interference -Intelsat Actions and Leadership
International InitiativesInternational Initiatives
Leadership in industry-wide initiatives: Satellite Spectrum Initiative
Leadership in industry-wide initiatives: Satellite Spectrum Initiative
Local InitiativesLocal InitiativesTeaming with
Industry and Trade Groups
Teaming with Industry and Trade
Groups
Research into allocation and usage in extended C-band in Africa.
ITU Registration of earth stations in strategic locations in Africa.
Relationship building with regulators.
Research into allocation and usage in extended C-band in Africa.
ITU Registration of earth stations in strategic locations in Africa.
Relationship building with regulators.
GVF (Global VSAT Forum)
SIA (Satellite Industry Association)
CASBAA (Cable & Satellite Broadcasting Association of Asia)
SAP REG (Satellite Action Plan Regulatory Working Group)
ESOA (European Satellite Operator Association)
SUIRG (Satellite Users Interference Reduction Group)
GVF (Global VSAT Forum)
SIA (Satellite Industry Association)
CASBAA (Cable & Satellite Broadcasting Association of Asia)
SAP REG (Satellite Action Plan Regulatory Working Group)
ESOA (European Satellite Operator Association)
SUIRG (Satellite Users Interference Reduction Group)
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Want to Learn More?
Intelsat’s “extra-net” will continue to host all
materials related to the I3 program and WiMax & Terrestrial interference mitigation efforts
Intelsat’s bi-monthly customer e-newsletter is
a great way to keep up to date on the I3 program progress and milestones