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Introduction to Yahsat

Introduction to Yahsat. Pioneering initiatives for progress. Al Yah Satellite Communications Company PJSC (Yahsat) is a private joint stock company fully owned by Mubadala, the investment arm of the Government of Abu Dhabi, the capital of the United Arab Emirates. “.

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Introduction to Yahsat

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  1. Introduction to Yahsat

  2. Pioneering initiatives for progress Al Yah Satellite Communications Company PJSC (Yahsat) is a private joint stock company fully owned by Mubadala, the investment arm of the Government of Abu Dhabi, the capital of the United Arab Emirates. “ Yahsat’s vision is to be the global partner of choice for reliable, innovative and affordable satellite solutions. ”

  3. Yahsat Satellites Overview • Y1A • Contractor: EADS Astrium & Thales Alenia • Actual Launch: April 23rd, 2011 • Orbital Location: 52.5o E • Lifetime: 15 Years • Launcher:Ariane 5 • Capacity/Payload: • C-band: 8 of 36-MHz transponders and 6 of 54-MHz Transponders • Ku BSS: 25 of 33-MHz transpondersKa-band Government: all secure transponders used for military Y1B Contractor: EADS Astrium & Thales Alenia Actual Launch: April 24th, 2012 Orbital Location: 47.6 oE Lifetime: 15 Years Launcher: ILS-Proton Capacity/Payload: Ka-band Government: all secure transponders used for military Ka-band Commercial: 60 spot-beams Y1A and Y1B successfully in orbit

  4. YahClick Technology Overview

  5. The Paradigm Shift 150- 180 Gbps Capacity 2nd Gen Ka band High Throughput Satellites Existing systems (C & Ku band) 70- 100 Gbps Capacity 1st Gen Ka band High Throughput Satellites 3 - 5 Gbps Capacity C / Ku band Bent Pipe Satellites Ka band systems

  6. High throughput Satellites overview • New generation of satellites that leverage higher bandwidth available in Ka band. • Satellites are based on multi-spot beam payload and are optimized for delivering broadband services. The main advantages over conventional satellites include: • More efficiency on the ground which enables use of a smaller antenna size (75 cm) with low power amplifier driving down the cost of user equipment. • Cost effective bandwidth supply due to efficient frequency re-use in spot beams. • Faster access speeds with high reliability (Terminal supports data-rates of more than 15 Mbps on the downstream and 3 Mbps on the upstream)

  7. Frequency Re-use & Satellite Technology Ka-band Frequency Re-use • In a frequency re-use scheme, the same frequency is re-used numerous times over different geographical areas, much like cellular phone technology (GSM cells) • Frequency re-use increases spectrum efficiency which directly translates into increased throughput • Ka-band allows for frequency re-use on satellites because of its high frequency • In the example shown, the “Yellow” frequency is used 17 times Higher Throughput Frequency Re-use Lower cost per bit Satellite are now a viable option for delivering broadband to consumers around the world

  8. YahClick System Overview

  9. YahClick Technical Overview Higher power on the ground enabling smaller antenna sizes and rain-fade issues, supported by latest Adaptive Coding and Modulation (ACM) technology Simple remote management of users and services for local service providers - no need for local BSS/OSS systems and processes Frequency re-use enabling significantly greater bandwidth services Multiple gateways placed in tier-1 teleports in location allowing affordable access to the internet backbone

  10. COVERAGE AREA The coverage of Ka-Band Technology is determined by the positioning of spot beams. Three spot beams exist for Pakistan. Three dishes can be used namely: • 74cm Dish • 98cm Dish • 120cm Dish

  11. Coverage map

  12. Beam Distribution 1 2 9 3 16 10 4 Abu Dhabi GW 17 11 5 24 18 12 Athens GW 6 25 19 13 7 Luxem-bourg GW 31 26 20 14 8 32 27 21 15 39 33 28 22 Madrid GW 46 40 34 29 23 47 41 36 30 54 48 43 37 55 49 44 56 50 45 57 51 G47271 P 11/30/11 58 52 59 53 60 61

  13. Terminal (CPE) Home Business • These are the individual remote terminals owned by either home users or business users • Each terminal is also associated with a complete set of hardware (IDU, ODU, and Antenna) identified by the IDU ESN HN9400 HN9200 OR 0.98 Meters 0.74 Meters

  14. HN9200 HN9400 • Consumer grade • Lower cost – optimized for typical home usage • Throughput • Up to 45 Mbps multicast • Up to 10 Mbps UDP • Up to 2.5 Mbps TCP • Up to 768 Kbps return channel with a 1 watt BUC • Up to 3 Mbps return channel with a 2 watt BUC • One LAN port • 10/100BaseT • Business/Enterprise grade • Higher performance with better CPU and Memory • High throughput • Up to 60 Mbps multicast • Up to 45 Mbps UDP • Up to 15 Mbps TCP • Up to 3 Mbps return channel with a 2 watt BUC • Two LAN ports • Separate LAN subnets supported on each LAN port

  15. Web Browsing Performance Enhancements Key Benefits • Faster Browsing • Higher Bandwidth Efficiency • Higher Throughput • TurboPage™(HTML parse and prefetch) • Terminal implements client “Proxy” for http traffic and establishes reliable connection to TurboPage Server • Web page content is retrieved and preloaded in temporary cache on remote terminal • Terminal client responds to Web browser requests from cache without roundtrip latency • DNS Caching • Terminal implements a DNS proxy to eliminate latency introduced by DNS queries

  16. Weather − Rain Fade • Rain Fade is the physical phenomenon that deteriorates RF signals due to the presence of moisture (rain, snow, ice) in the transmission path • Losses are especially prevalent at higher frequencies like Ka-band (Yahsat 1B is a Ka-band satellite) • Rain fade can be caused by precipitation at the uplink or downlink location. However, it does not need to be raining at a location for it to be affected by rain fade, as the signal may pass through precipitation many miles away • Signal loss can occur due to presence of precipitation on the antenna assembly as well • HN system has mechanisms built in to minimize the effect of rain fade on service known as Adaptive Coding and Modulation (ACM) and Adaptive Inbound Selection (AIS)

  17. Adaptive Inroute Selection and Power Control Remote continually measures received signal quality Hub sends adjustments to remote Hub Measures Received Signal Strength Received from Remote Hub continuously monitors the signal strength for packets received from each remote and sends feedback to the remote Remote then adjusts the power control, inroute and type of coding it uses to maintain the signal quality received at the hub within established bounds This allows for a dynamic adjustment for best efficiency and quality

  18. Adaptive Coding and Modulation (ACM) QPSK Rate 1/2 QPSK Rate 3/4 8PSK Rate 9/10 Rate 1/2 QPSK Rate 3/4 QPSK Rate 3/4 Satellite terminals 8PSK Rate 9/10 Less aggressive modulation for poor weather • On the outroute, system adjusts the tolerance level to signal quality of a terminal based on weather conditions (hence signal quality) • The satellite terminal measures its outroute receive quality; in situations such as rain fade or a weak satellite footprint location, a satellite terminal can send feedback to the NOC GTWY that then adjusts the coding rate and modulation on the traffic to that specific satellite terminal 8PSK Rate 9/10 Satellite terminals QPSK Rate 1/2 Satellite terminals Highest throughput for best weather Repeated data transmission for bad weather

  19. YahClick Service Overview

  20. Satellite services will compliment Terrestrial broadband Long Term Niche for satellite system Densly Populated Urban Areas Suburban locations. Rural areas Back Up Offer Only Well served with Fibre Filling in “not spots” and relieving overcrowded exchanges Short term service until full terrestrial coverage available Then backup for mission critical Remote locations Community centres, internet cafés Primary Terrestrial Connection Primary Satellite Connection

  21. YahClick Service Delivery Model • From Service Partner • Direct Sales • End User Billing • Import Clearance of hardware • Licenses and Approvals • Service Activation • CPE Installation • Customer Service • From Yahsat • Satellite Control and Configuration • Network Management Centre • QoS Monitoring • Web Interface • Ground Segment Infrastructure To End User Home users, Single site and Multi-site SMEs

  22. Key YahClick Characteristics • YahClick Is Not • A typical VSAT network providing: • Mesh/star topology • Point to point connectivity through a single hop • YahClick Is • High speed shared broadband internet connection • Direct from satellite to gateway to user • Affordable • Reliable • High performance • Last mile solution • Shared network, all users reside in a single large pool within a beam. YahClick is a broadband internet service for hundreds of thousands of users in 28 markets

  23. YahClick – Key Differentiators Affordable CPE prices and very competitive monthly subscriptions for “real” broadband offerings, that can range up to 15Mbps Affordable Terminals & Bandwidth Instant availability across a significant number of markets—no need to wait for infrastructure roll out Instant Availability Independence from terrestrial systems and their outages or congestion, connection to Tier 1 internet backbone with multiple redundancy, system availability at 99.5%. Reliability Cost Effective Coverage Cost-effective service to the remotest customers difficult to serve with terrestrial broadband, supporting governments’ universal service aspirations

  24. YahClick Addressable Market Positioning Ku/C band VSAT addressable market A few thousand customers Early Focus YahClick addressable market A few million potential customers Terrestrial addressable market Hundreds of millions of potential customers For SPs, YahClick dramatically expands the number of satellite subscribers from a few hundred to potentially tens of thousands just on Y1B

  25. YahClick’s Product Challenges

  26. YahClick Features

  27. Fair Access Policy “FAP” Enforcement Our Fair Access Policy “FAP” is designed to impact the fewest customers who overuse the network while helping ensure the highest speeds for the vast majority of the users. In most networks, 5% of subscribers use 50% of the traffic. FAP policies are implemented by all to prevent abusive consumption of bandwidth by a minority of users. • To ensure that all YahClick High-Speed Internet Service customers have equitable access to the network, YahClick sets usage allowances on the amount of data a subscriber can download within stated time periods specified in each service plan. • If at any time a subscriber’s Usage Total is above the Usage Allowance, the YahClick system will temporarily limit the speed at which the subscriber can receive data over the network. Subscribers will still be able to use the Internet service but at a lower speed. • Subscribers who exceed this limit will experience a temporary reduction of speed for a Recovery Time period. After that Recovery period, full speeds return.

  28. How Fair Access Policy Works—Leaky Bucket Concept A subscriber starts with an empty “bucket” As they download data, the bucket fills up with kilobytes at full speed Once the subscriber has filled the bucket over a 72 hour period, full speed is throttled to a very low rate and a recovery time starts. The bucket has a hole in the bottom that “leaks out” used data. The bucket will be completely empty after 72 hours of zero usage. It will be one third empty after 24 hours of no usage. Speed is restored until the bucket is full again and speed is reduced. Data download can continue at this slow speed, but it is not recommended as this way the bucket will never empty and the subscriber will never regain full speed.

  29. Getting out of FAP – FAP Token • If a subscriber stops using the internet after going into FAP, the subscriber will get out of FAP in 24 hours • To get out of this throttled speed immediately, subscribers can pre-purchase FAP reset tokens from their SP that give them the 10% allowance of their service package • FAP Reset token when applied sets the bucket size to 0 immediately – taking the user to un-FAPed state, and back to their full download “up to” speed • After activating the token, subscribers can enjoy the advertised package speeds of their subscription until they exceed the allowed usage, and then they go back into throttled FAP mode • Subscriber gets an empty bucket for the “coming rolling 72 hour period” • Subscribers may continue to activate further tokens once their bucket is filled and they are FAPed again, if required, and the process is repeated • No limit on the number of FAP tokens that may be applied to a specific terminal • Unused volume from a FAP reset token expires after 72 hours from token activation

  30. FreeZone (1am to 6am) • The 10% FAP policy generally enables subscribers to download movies or video during the day at least 10 times a month • Subscribers who enjoy watching movies and videos more often are advised to explore using download schedulers to download movies during Freezone time • This ensures data allowance during the day is reserved for high speed browsing, social networking and email • Software downloads and Windows Updates should be scheduled during Freezone.

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