Advances in Communications Satellite Systems : Proceedings of the 36th International Communications Satellite Systems Conference (ICSSC-2018)

• Record Nr.: UNINA9911007157103321
• Autore: Otung Ifiok
• Pubbl/distr/stampa: Stevenage : , : Institution of Engineering & Technology, , 2020; ©2020
• ISBN: 9781523136599; 1523136596; 9781785619625; 1785619624
• Edizione: [1st ed.]
• Descrizione fisica: 1 online resource (351 pages)
• Collana: Telecommunications
• Altri autori (Persone): ButashThomas; GarlandPeter
• Disciplina: 621.3825
• Soggetti: Artificial satellites in telecommunication; Telecommunication systems; Conference papers and proceedings.
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di contenuto: Cover -- Contents -- Preface and Acknowledgements -- Author Biographies -- Section 1 - Multi-beam Satellite Systems -- 1. Symbol vs block level precoding in multi-beam satellite systems -- Introduction -- System Model and Problem Statement -- System Model -- Beam Pattern Over Europe -- Problem Statement -- Precoding Techniques -- Block-Level Precoding -- Symbol Level Precoding -- Complexity Comparision -- Simulation Results -- Conclusions and Further Research -- Acknowledgments -- References -- 2. Hardware Demonstration of Precoded Communications in Multi-Beam UHTS -- Introduction -- Hardware Demonstrator -- System Model -- Gateway -- Channel Emulator -- User Terminal -- Resource Occupation in FPGAs -- Conclusion -- Acknowledgments -- References -- 3. On the capacity of asynchronous cooperative NOMA in multibeam satellite systems -- Introduction -- System Model -- Channel Model -- Proposed Cooperative NOMA -- Gaussian Multi-Access Channels with ; ISI -- Two-User Channel with H(w) ... G(w) -- Two-User Channel with H(w) = G(w) -- Simulation Results -- Asynchronous Multi-Access Channel: Capacity Region -- Asynchronous MAC -- Asynchronous NOMA-Single Content Transmission -- Simulation Results -- Conclusion -- Acknowledgments -- References -- 4. Overlapping clustering for beam-hopping systems -- Introduction -- Related research works -- Frequency efficiency improvements for HTS -- Signalling aspects -- Availability and a number of gateways -- Beam hopping systems -- Efficiency degradation of conventional method -- Proposed overlapping clustering method -- Performance evaluation -- Simulation settings -- Evaluation results -- Conclusion -- References -- 5. Adjacent beams resource sharing to serve hot spots: a rate-splitting approach -- Introduction -- System Model -- Hot-spot Scenario -- Satellite payload -- Non-Coherent Rate-Splitting ( NCRS).; Rate Optimization -- Competitive techniques -- Partial CSIT -- Full CSIT -- Numerical Results -- Conclusions -- Acknowledgments -- References -- Section 2 - Cognitive Communications and Propagation Channel Optimization -- 6. Time Correlation Used to Improve Time Diversity Gain of Rainfall Prediction -- Introduction -- Data Description -- Methodology and Results -- Improvement of Diversity Gain Formulas -- Conclusion -- References -- 7. Protection of the Mobile Station from the Interference by Maritime Earth Station in Motion in the 28 GHZ Band -- Introduction -- Interference Scenario -- System Characteristics -- Results -- Conclusions -- Acknowledgments -- References -- 8. Rateless codes for satellite systems over rain fading channels -- Introduction -- Satellite system with ACM -- Proposed scheme -- Operational principle -- Joint soft-iterative decoding -- Simulation results -- Simulation model -- Performance comparison with simulation results -- Conclusion -- Acknowledgments -- References -- 9. Channel States Information based Spectrum Sensing Algorithm in Satellite Cognitive Communication Networks -- Introduction -- System Model And Cognitive Scenario -- Cognitive Scenario -- System Model -- Channel States Information Based Spectrum Sensing Algorithm -- Algorithm Performance Verification And Discussion -- Conclusion -- Acknowledgments -- References -- 10. Wideband nonlinearities correction in digital payloads channels with parallel architectures -- Introduction -- Parallel HW implementation -- Methodology -- Many-Core DSP Architecture -- Software defined Volterra filter design -- Conclusions and Future Works -- References -- Section 3 - Flexible High Throughput Satellite Systems and Interference Mitigation Techniques -- 11. Modifications to Multi-beam Systems for DRRM -- Introduction -- Current HTS System Architecture.; HTS System for DRRM Communications -- Transponder Modification -- Sample Digital Analysis Filter Bank Design -- Conclusions -- References -- 12. Adaptive Resources Allocation for Flexible Payload enabling VHTS systems: Methodology and Architecture -- Introduction -- Problem Definition -- Methodology for Adaptive Resource Allocation -- Study Cases -- Coverage Optimization -- Adaptive Resource Allocation Comparison -- Payload Architecture -- Conclusion -- Acknowledgments -- References -- 13. Adaptive Onboard Compensation of Non-Linear HPAsand Imperfect Butler Matrices in Multiport Amplifiers for High Throughput Satellites -- Introduction -- Multiport Amplifier Architecture -- Conventional linear MPA model -- Practical issues with conventional MPAs -- Proposed Two-Step Method -- Simulation results -- PSD Analysis -- BER analysis -- Conclusion -- References -- 14. Distributed precoding for multiple satellite systems with overlapping coverage areas -- Introduction -- Multibeam satellite systems: beyond state-of-the-art -- Multiple satellites systems: ; benefits and challenges -- Motivation -- Signal model and problem formulation in MS-COV architecture -- Precoding scheme in MS-COV configuration -- CSI feedback mechanism -- Feed selection method in MS-COV -- Numerical Results -- Simulation Setup -- Results -- Conclusion -- Acknowledgments -- References -- 15. Productized Multicarrier Predistortion Total Throughput Gainsaround 20% over Linearized Channels in True Customer Use Cases -- Introduction -- Assessed use cases -- Satellite parameters -- Waveform parameters -- Measuring methodology -- Measurement setup in the lab -- Measurement setup over satellite -- Gain measurement -- Predistortion gain leverages in a large throughput gain in an unbalanced carrier scenario -- Numerical results -- Power balanced scenario over satellite.; Power unbalanced scenario over satellite -- Lab results -- Conclusion -- Acknowledgments -- References -- 16. A mitigation technique for adjacent channel interference in communication satellites -- Introduction -- Methodology -- Results -- Conclusion -- Acknowledgments -- References -- Section 4 - New Satellite System Architectures and Components -- 17. Novel RF architectures and technologies for VSAT -- Introduction -- Near and Long Term VSAT Architectures -- Relevant Passive Technologies -- Tunable High-Q Filters -- Compact Diplexers -- Low loss Phase Shifters -- Relevant Active Technologies -- GaN HPAs -- High-speed ADCs and DACs -- LNAs/LNBs -- Conclusion -- References -- 18. A Modular Architecture for Low Cost Phased Array Antenna System for Ka-Band Mobile Satellite Communication -- Introduction -- System Model and Antenna Aperture Requirements -- Modular Architecture Approach of large Scale Phased Array Antenna -- Design and Implementation of APAA Module -- Active phased array antenna: Super Module -- Results -- Conclusion -- Acknowledgments -- References -- 19. A cots-based software-defined communication system platform and applications in LEO -- Introduction -- Hardware -- Active phased-array antenna (APA) -- Software defined radio (SDR) -- Single-board computer (SBC) -- Power conditioning unit (PCU) -- Applications -- Example 1: Regenerative active phased array payload -- Example 2: Physical-layer assisted ranging -- Summary -- References -- 20. V-band low-noise amplifier module for high throughput satellite applications -- Introduction -- LNA unit design -- Key elements of the LNA module -- WG-MS Transition -- LNA MMIC -- Voltage Variable Attenuator (VVA) -- MLA MMIC -- LNA module test results -- Conclusions -- Acknowledgement -- References -- 21. Satellite payload design for cislunar communications -- Design requirements.; Coverage area and constellation design -- Radio propagation -- Spectrum resources -- Frequency plan -- Reference scenario -- Capacity planning -- Baseline design -- K-band communications payload -- UHF-band communications payload -- S-band communications payload -- Payload Schematic diagram -- K-band spot beam antennas -- K-band Gateway antenna -- K-band antenna control electronics unit (ACU) -- UHF-band antenna -- S-band antenna -- Frequency conversion -- Channel multiplexing and filtering -- High power amplification -- UHF Digital Signal Processor -- Signal level analysis -- Conclusions -- References -- Section 5 - High Speed Optical Communications and Feeder Links -- 22. Alphasat, Sentinel-1A/B, Sentinel-2A/B, and EDRS Paving theWay for Systematic Optical Data Transfer for Earth Observation Missions -- Introduction -- The Laser Communication Terminal (LCT) -- The Ka-Band Transmitter -- Optical Inter-Satellite Link Execution Concept -- Alphasat TDP1, Sentinel-1A . . . and -2A, -1B, and -2B: optical partners in orbit -- ; Alphasat ( ASA) and Sentinels OISL Operations -- The European Data Relay Satellite System -- Links and System Performance -- Conclusions -- References -- 23. Diversity Architectures for High Data Rate Ground-to-Satellite Optical and EHF Links -- Introduction -- Satellite Systems with EHF and Optical Ground Space Links -- Use Cases for Ground Space Link Diversity -- Unified Network Layer Model for Diversity Switching -- Linear Programming-Based Optimization Model -- System Design Phase -- Operational Phase -- Implementation Considerations -- Conclusion -- References -- 24. Research and development approach to realize flexible opticalground network operations for effective data downlink from space to ground -- Introduction -- Methodology -- Optical ground network system -- Cloud monitoring and determination method.; Optical network planning method.
• Sommario/riassunto: This book gathers the contributions from The 36th International Communications Satellite Systems Conference (ICSSC-2018) held in October 2018.