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SNT SES Partnership Meeting SnT Partnership Day SES and SnT Joint Research Programmes 10 May 2012 Philippe Francken, SES SES – Who we are A world-leading telecommunications satellite operator Premier provider of transmission capacity, related platforms and services worldwide for • media • enterprise and telcos • government and institutions SnT partnership day – 10 May 2012 2 One platform, global reach ▲ Global fleet of 50 satellites provides comprehensive coverage ▲ Coverage for 99% of the world’s population ▲ A well-connected teleport infrastructure ▲ Leading direct-to-home(DTH) satellite operator in Europe ▲ Major supplier to cable headends in the Americas ▲ Hosts some of the fastest-growing DTH platforms in emerging markets Improving our service by expanding our regional teams SnT partnership day – 10 May 2012 3 Customers around the world SnT partnership day – 10 May 2012 4 NSS-6 N NN S SS AA N A S SS SSAA S - SASA 5 - -- TTSAA S 1 TSTS A 1 57 RRTSSAA A - 2 RTRT S 1A 0 AARS TTSS MA 9 ARRTS MAA 3 2AAiRATT CMAA AARRi CCMAA S 1C ANSRR -CMMM A 2 rAAr R -- CM A D2 2 STAA 8- CCMM N a 3 i i A 7 -C M N D B1 R 11-C-CC S Au1S1 -1- CC S t A EA 1Hu 01 -1- - S sM- 11 1 L 482 -- S c K s 53 7 G 19 - F 56 - 1R 6 8 o 3 1 C4 0 0 m 6 C 3 Transmission Transmission reception and techniques planning Fleet Satellite operations Products and and Products services Areas ofinvolvement SnTAreas segment bus and and bus segment payload architectures Future space space Future wide innovation initiative in 2010, with the objective to increase our our increase to objective the with 2010, in initiative wideinnovation - 10 May May 2012 10 – Space technology Space Ground segment, segment, Ground networks… hybrid Frequencies Launch vehicles Launch SnT partnership day day partnership SnT Satellite Hybrid Networks, Transmission and Reception Technologies, and Satellite Operations Operations Satellite and Technologies, Reception and Transmission Networks, Hybrid Satellite Analysis. System Satellite and The initiative includes the various elements of the Satellite Telecommunications ecosystem. Telecommunications Satellite the of elements various the includes initiative The Services, and Applications to related areas multiple in expertise specific SnT’s leveraged SES has competitiveness by devising and implementing innovative ideas aligned with our strategic plan plan strategic our with aligned ideas innovative implementing and devising by competitiveness needs. business and SES launched a company a SES launched SES, SnT and innovation SnT SES, ▲ ▲ ▲ 5 SES / SnT innovation projects ▲ PIL To SPELL Conversion • Context: Satellite control procedures delivered by the manufacturer must be converted to the scripting language used by SES. Manual conversion of those critical procedures is time consuming and error prone. • Goal: Save time and guarantee the fidelity of the conversion process. • Study outcomes: - Fully automated conversion of Astrium satellite control procedures (delivered in PIL language) into SPELL procedures, with high level of fidelity and minimizing the level of revalidation. - First application is ASTRA 2F, expected to launch in September 2012. - Follow-on activities: "on-the-fly flow-chart generation", "reduction of verification and validation time”. ▲ Payload Optimizer • Context: Modern geostationary telecommunication payloads include considerable flexibility to route signals in a multitude of ways. The number of possible combinations makes the determination of optimum payload configurations very challenging. • Goal: Allow timely determination of optimum payload configurations. • Study outcomes: - Development of models, algorithms and tools for the optimal management of complex payloads of geostationary telecommunication satellites. - Multiple optimization objectives are pursued (path losses, number of commands, robustness to the next failure ...) using an Integer Linear Programming Model (ILP). - First application is ASTRA 2F, expected to launch in September 2012. SnT partnership day – 10 May 2012 6 SES / SnT innovation projects ▲ Operational optimization of a Ku multibeam flexible payload • Context: Multi beam payloads allow significant increase of satellite capacity for point to point communications. Payload flexibility addresses service demand variation over time and space. • Goal: Optimize multibeam payload architecture and use of on-board resources. • Study outcomes: - Define realistic payload architectures matching operator commercial requirements. - Develop a system performance evaluation software. - Evaluate the software results (improvement of the match between offered capacity and commercial demand). ▲ APEXX – multi-carrier digital equalization / pre-distortion • Context: Usage of large bandwidth transponders requires multi-carrier operation due to the limited transmission rate of existing modulators / demodulators. Modulators with pre-distortion techniques exist but only work on a “single carrier basis” and are not suited for the joint transmission of multiple carriers. • Goal: Allow use of pre-distortion techniques for multi carrier operation. • Study outcomes: - Implement pre-distortion and equalization techniques to compensate for the satellite signal distortions and allow increased throughput in multi-carrier transponder applications. - Possible applications to Ka-band usage on Astra 2E, 2F, 2G and 5B. SnT partnership day – 10 May 2012 7 SES / SnT innovation projects ▲ Cooperative and Cognitive satellite (CO2SAT) • Context: Frequency bands are allocated for specific purposes to avoid interference Satellite between systems, however frequency resources are not always fully utilized. Satellite transmitters and receivers able to adapt to interference on a context basis Satellite could allow better sharing of frequency capacity with terrestrial systems. Modem End user • Goal: Apply cognitive and cooperative radio concepts to satellite systems to gain Internet equipment efficiency through flexible usage of white frequency spots and available capacity. Gateway Potential • Study outcomes: Large satellite antenna Interference on shared - Survey of cooperative and cognitive satellite techniques. frequency - Study of specific satellite applications. Interne bands t - Performance comparison and complexity evaluation. Terrestrial tower Mobile terminal Gateway GSM, LTE, WiMAX ▲ MIMO hardware demonstrator • Context: Multiple-Input Multiple-Output (MIMO) systems simultaneously use multiple data streams on the same frequency, creating multiple paths between transmitter and receiver. This allows improvements in data rate and reliability at the expense of additional processing at the transmitter and receiver. MIMO schemes are widely used with success in wireless terrestrial systems. • Goal: Apply MIMO antennas to the mobile broadcast DVB-SH standard to increase spectral efficiency and improve broadcast link performance to mobile users. • Study outcomes: - Hardware demonstrator design and development. - Possible application to broadcast systems in S-band. SnT partnership day – 10 May 2012 8 SES / SnT innovation projects MLNB Quad DiSEqC Control ▲ MLNB – Interference Cancellation ICS-SAT μC Freq. Reference 9.75 / 10.6 GHz Imp Adapt & STB_1 • Context: A Multi-Input Element Low Noise Block (MLNB) applies DiSEqC X BFC Imp Adapt & beamforming concepts to satellite reception and allows to perform a STB_2 DiSEqC coherent combination of signals received at an antenna from multiple Routing X inputs. This technology allows to electronically null the impact of interferers Imp Adapt & STB_3 DiSEqC located on adjacent satellites and permits to receive multiple satellites X BFC Imp Adapt & STB_4 within an angular opening range. DiSEqC • Additional interference cancellation allows to further increase performance 5 4 and reliability of the MLNB. 2 Sat 2 Sat 1 Sat 3 0 -2 -4 • Goal: Implement interference cancellation system in addition to -6 -8 beamforming on the basis of an existing MLNB demonstrator and improve -10 -12 -14 further the capacity of interference limited links. -16 -18 -20 Relativegain [dBi] -22 • Study outcomes: -24 -26 -28 - Development of a demonstrator setup. -30 -32 -34 - Possible application to C-band VSAT terminals. -36 -38 -40 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Angle [deg] Angular~6d openingeg Pointing direction MLNB 1dB field of view Parabolic reflector GEO Arc SnT partnership day – 10 May 2012 9 Outlook and first conclusions ▲ SES and SnT have developed a fruitful cooperation across a number of research projects. ▲ SnT’s multidisciplinary expertise has allowed to tackle a variety of different problems of direct interest to SES. ▲ Combination of complementary expertise between Academic and Industrial areas is highly valuable to both parties. ▲ Cooperation is expected to continue and develop further. SnT partnership day – 10 May 2012 10 .
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