Verfügbarkeit: Architectural exploration of carrier synchronization for TDMA based satellite communication systems

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Bibliographische Detailangaben
Beteilige Person:	Ali, Imran 1979- (VerfasserIn)
Format:	Hochschulschrift/Dissertation Buch
Sprache:	Englisch
Veröffentlicht:	Kaiserslautern Technische Universität [2017]
Ausgabe:	Als Manuskript gedruckt
Schriftenreihe:	Forschungsberichte Mikroelektronik 25
Schlagwörter:	Satellitenfunk Trägersynchronisation TDMA Hochschulschrift
Links:	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029438031&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
Umfang:	ix, 152 Seiten Diagramme
ISBN:	9783959740388

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245	1	0	\|a Architectural exploration of carrier synchronization for TDMA based satellite communication systems \|b = Exploration von Architekturen zur Trägersynchronisation in TDMA basierten Satellitenkommunikationssystemen \|c Imran Ali
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Datensatz im Suchindex

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adam_text	CONTENTS 1 INTRODUCTION 1 1.1 M OTIVATION.......................................................................................................... 1 1.2 REQUIREMENTS AND KEY C H ALLEN G ES.................................................................. 4 1.2.1 COMMUNICATION PERFORMANCE: REQUIREMENTS AND CHALLENGES .... 5 1.2.2 IMPLEMENTATION PERFORMANCE: REQUIREMENTS AND CHALLENGES .... 6 1.3 RESEARCH GAP AND KEY CONTRIBUTIONS............................................................... 7 1.4 OUTLINE ............................................................................................................. 8 2 FUNDAMENTALS OF COMMUNICATION SYSTEMS 11 2.1 ELEMENTS OF A DIGITAL COMMUNICATION S Y STE M ............................................... 11 2.2 SIGNAL M O D E L ............................... : ................................................................. 13 2.3 EFFECT OF FREQUENCY AND PHASE OFFSET ON SIGNAL CONSTELLATION ...................... 15 2.4 PERFORMANCE ASSESSMENT OF THE FREQUENCY/PHASE ESTIM ATOR ......................... 16 2.5 TURBO C O D E S ....................................................................................................... 18 3 NON-DATA-AIDED CARRIER SYNCHRONIZATION ALGORITHMS 21 3.1 INTRODUCTION TO NDA CARRIER SYNCHRONIZATION............................................... 21 3.2 MODULATION REMOVAL FOR NDA SYNCHRONIZATION............................................ 22 3.3 NDA CARRIER FREQUENCY AND PHASE SYNCHRONIZATION...................................... 23 3.3.1 FFT BASED FREQUENCY AND PHASE OFFSET E STIM ATION ......................... 23 3.3.2 FREQUENCY AND PHASE OFFSET C O RRE C TIO N ............................................ 26 3.3.3 PHASE AMBIGUITY R ESOLUTION............................................................... 26 3.3.4 INTERPOLATION TECHNIQUE ..................................................................... 27 3.4 AUTO-CORRELATION BASED FREQUENCY OFFSET ESTIMATION .................................. 28 3.4.1 LUISE AND REGGIANNINI (L&R) ALGORITHM [1] .................................. 28 3.4.2 FITZ ALGORITHM [2] ............................................................................... 29 3.4.3 MENGALI AND MORELLI (M&M) ALGORITHM [ 3 ] ...................................... 29 3.5 FREQUENCY OFFSET C O RRE C TIO N ............................................................................ 31 3.6 NDA PHASE OFFSET ESTIMATION, AND C ORRECTION ............................................... 31 3.7 COMMUNICATION PERFORMANCE EVALUATION ......................................................... 32 3.7.1 SIMULATION MODEL ............................................................................... 32 3.7.2 QUANTIZATION AND CONFIGURATION PARAMETERS OF TURBO-CODE DECODER 33 3.7.3 SIMULATION R E S U LTS ............................................................................... 34 3.7.4 FFT BASED R&B ALGORITHM ............................................................... 34 3.7.5 AUTO-CORRELATION BASED M&M A LG O RITH M ......................................... 39 3.7.6 FFT BASED R&B ALGORITHM VS. AUTO-CORRELATION BASED M&M AL GORITHM .................................................................................................. 40 4 DATA-AIDED CARRIER SYNCHRONIZATION ALGORITHMS 43 4.1 INTRODUCTION TO DA CARRIER SYNCHRONIZATION .................................................. 43 4.2 CLASSIFICATION OF DVB-RCS2 B U R S T S ............................................................... 44 4.3 MODULATION REMOVAL FOR DA SYNCHRONIZATION ............................................... 45 4.4 DA CARRIER FREQUENCY AND PHASE SYNCHRONIZATION ......................................... 46 4.4.1 FFT BASED FREQUENCY AND PHASE OFFSET E STIM ATION .......................... 46 4.4.2 FIRST METHOD: EXPLOITING ALL KNOWN SYMBOLS JOINTLY (FFT-KS) . . 47 4.4.3 SECOND METHOD: EXPLOITING ONLY PILOT SYMBOLS (FFT-PS) ................. 48 4.4.4 FREQUENCY AND PHASE OFFSET C O RRE C TIO N ............................................ 48 4.5 AUTO-CORRELATION BASED FREQUENCY OFFSET ESTIMATION ................................... 49 4.6 DA PHASE OFFSET ESTIMATION ............................................................................. 49 4.7 COMMUNICATION PERFORMANCE EVALUATION ......................................................... 50 4.7.1 SIMULATION R E S U LTS ............................................................................... 50 4.7.2 PILOTLESS B U RS TS ..................................................................................... 51 4.7.3 EFFECT OF ZERO-PADDING ........................................................................ 52 4.7.4 EFFECT OF IN TE RP O LA TIO N ........................................................................ 53 4.7.5 PILOT-SYMBOL ASSISTED BURSTS TYPE ( C . L ) ............................................ 54 4.7.6 PILOT-SYMBOL ASSISTED BURSTS TYPE ( C .2 ) ............................................ 54 4.7.7 PILOT-SYMBOL ASSISTED BURSTS TYPE ( C .3 ) ............................................ 55 5 CODE-AIDED SYNCHRONIZATION ALGORITHMS 57 5.1 CA SYNCHRONIZATION: INTRODUCTION, CHALLENGES AND STATE-OF-THE-ART ALGO RITHMS ................................................................................................................. 57 5.2 PROPOSED CA SYNCHRONIZATION A LG O RITH M ..................................................... 59 5.2.1 P U N C TU RIN G ........................................................................................... 60 5.2.2 APP LLR CONVERSION TO SOFT SYM BOLS ............................................... 61 5.2.3 INCLUSION OF KNOWN SYMBOLS............................................................... 62 5.2.4 ESTIMATION AND CORRECTION OF FREQUENCY AND PHASE O F F S E T .............. 63 5.3 SERIAL AND PARALLEL CONFIGURATION OF DECODING/SYNCHRONIZATION ................... 63 5.4 COMMUNICATION PERFORMANCE EVALUATION OF THE PROPOSED ALGORITHM .... 65 5.4.1 SIMULATION MODEL .............................................................................. 65 5.4.2 QUANTIZATION SCHEME AND CONFIGURATION PARAMETERS OF TURBO-CODE D E C O D E R................................................................................................. 67 5.4.3 SIMULATION R E S U LTS .............................................................................. 67 5.4.4 INFLUENCE OF THE KNOWN SYM BOLS ........................................................ 68 5.4.5 SERIAL VS. PARALLEL C ONFIGURATION ........................................................ 69 5.4.6 PER FOR DIFFERENT NUMBER OF ITE RA TIO N S............................................ 69 5.4.7 CA SYNCHRONIZATION IN CONJUNCTION WITH NDA SYNCHRONIZATION . . 71 5.4.8 CA SYNCHRONIZATION IN CONJUNCTION WITH DA SYNCHRONIZATION . . . 72 6 ARCHITECTURES FOR NON-DATA-AIDED AND DATA-AIDED CARRIER SYNCHRONIZATION 75 6.1 REQUIREMENTS AND CHALLENGES........................................................................... 75 6.2 BLOCK DIAGRAM OF THE PROPOSED ARCHITECTURE .................................................. 76 6.3 FUNCTIONAL D E SC RIP TIO N ..................................................................................... 77 6.3.1 MEMORY P O O L........................................................................................ 77 6.3.2 MODULATION R EM O V AL........................................................................... 77 6.3.3 Z ERO-PADDING........................................................................................ 79 6.3.4 FREQUENCY AND PHASE OFFSET E STIM A TIO N ............................................ 79 6.3.5 FREQUENCY AND PHASE OFFSET C O RRE C TIO N ............................................ 81 6.3.6 PHASE AMBIGUITY R ESOLUTION............................................................... 82 6.4 FPGA IMPLEMENTATION R E S U LTS ........................................................................ 83 6.5 THROUGHPUT AND LATENCY R E S U LTS ..................................................................... 84 6.6 PRUNED E F T ....................................................................................................... 86 6.6.1 STATE-OF-THE-ART ALGORITHMS AND IMPLEMENTATIONS................................. 86 6.6.2 PROPOSED PRUNED FFT A LGORITHM ......................................................... 87 6.6.3 PROPOSED A RC H ITE C TU RE ........................................................................ 88 6.6.4 FPGA IMPLEMENTATION R E S U L T S ............................................................ 90 6.6.5 THROUGHPUT R E S U LTS ............................................................................... 90 7 ARCHITECTURES FOR CODE-AIDED SYNCHRONIZATION 93 7.1 REQUIREMENTS AND CHALLENGES............................................................................ 93 7.2 BLOCK DIAGRAM OF THE PROPOSED ARCHITECTURE .................................................. 94 7.2.1 P U N C TU RE R .............................................................................................. 95 7.2.2 APP LLR TO SOFT SYMBOL M A P P IN G .................................................. 96 7.2.3 INCLUSION OF KNOWN S Y M B O L............................................................... 97 7.2.4 ESTIMATION AND CORRECTION M ODULE...................................................... 97 7.3 FPGA IMPLEMENTATION R E S U LTS ......................................................................... 98 7.4 THROUGHPUT AND LATENCY R E S U LTS ..................................................................... 99 7.5 D EM APPER..............................................................................................................100 7.6 STATE-OF-THE-ART DEMAPPING A LG O RITH M S ........................................................... 100 7.6.1 OPTIMAL SOFT D EM APPING........................................................................ 101 7.6.2 SUBOPTIMAL SOFT D EM APPING..................................................................102 7.7 LOW COMPLEXITY SUBOPTIMAL DEMAPPING A LG O RITH M S ..................................... 102 7.7.1 LIN ALGORITHM ........................................................................................102 7.7.2 DECISION THRESHOLD A LGORITHM .............................................................. 104 7.8 COMMUNICATION PERFORM ANCE .............................................................................. 105 7.9 HARDWARE P ERFORM ANCE........................................................................................106 7.9.1 ARCHITECTURE FOR LIN ALGORITHM ...............................................................106 7.9.2 ARCHITECTURE FOR DECISION THRESHOLD A LG O RITH M .................................. 107 7.9.3 FPGA IMPLEMENTATION R ESU LTS...............................................................107 7.9.4 ASIC IMPLEMENTATION R E S U LTS ...............................................................108 8 CONCLUSION AND OUTLOOK 111 9 ZUSAMMENFASSUNG 115 A DVB-RCS2 SYSTEM 123 ACRONYMS 127 GLOSSARY 131 BIBLIOGRAPHY 135 LIST OF FIGURES 145 LIST OF TABLES 149
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isbn	9783959740388
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series	Forschungsberichte Mikroelektronik
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spellingShingle	Ali, Imran 1979- Architectural exploration of carrier synchronization for TDMA based satellite communication systems = Exploration von Architekturen zur Trägersynchronisation in TDMA basierten Satellitenkommunikationssystemen Forschungsberichte Mikroelektronik Satellitenfunk (DE-588)4138349-7 gnd Trägersynchronisation (DE-588)1069188255 gnd TDMA (DE-588)4424212-8 gnd
subject_GND	(DE-588)4138349-7 (DE-588)1069188255 (DE-588)4424212-8 (DE-588)4113937-9
title	Architectural exploration of carrier synchronization for TDMA based satellite communication systems = Exploration von Architekturen zur Trägersynchronisation in TDMA basierten Satellitenkommunikationssystemen
title_alt	Exploration von Architekturen zur Trägersynchronisation in TDMA basierten Satellitenkommunikationssystemen
title_auth	Architectural exploration of carrier synchronization for TDMA based satellite communication systems = Exploration von Architekturen zur Trägersynchronisation in TDMA basierten Satellitenkommunikationssystemen
title_exact_search	Architectural exploration of carrier synchronization for TDMA based satellite communication systems = Exploration von Architekturen zur Trägersynchronisation in TDMA basierten Satellitenkommunikationssystemen
title_full	Architectural exploration of carrier synchronization for TDMA based satellite communication systems = Exploration von Architekturen zur Trägersynchronisation in TDMA basierten Satellitenkommunikationssystemen Imran Ali
title_fullStr	Architectural exploration of carrier synchronization for TDMA based satellite communication systems = Exploration von Architekturen zur Trägersynchronisation in TDMA basierten Satellitenkommunikationssystemen Imran Ali
title_full_unstemmed	Architectural exploration of carrier synchronization for TDMA based satellite communication systems = Exploration von Architekturen zur Trägersynchronisation in TDMA basierten Satellitenkommunikationssystemen Imran Ali
title_short	Architectural exploration of carrier synchronization for TDMA based satellite communication systems
title_sort	architectural exploration of carrier synchronization for tdma based satellite communication systems exploration von architekturen zur tragersynchronisation in tdma basierten satellitenkommunikationssystemen
title_sub	= Exploration von Architekturen zur Trägersynchronisation in TDMA basierten Satellitenkommunikationssystemen
topic	Satellitenfunk (DE-588)4138349-7 gnd Trägersynchronisation (DE-588)1069188255 gnd TDMA (DE-588)4424212-8 gnd
topic_facet	Satellitenfunk Trägersynchronisation TDMA Hochschulschrift
url	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029438031&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
volume_link	(DE-604)BV012925671
work_keys_str_mv	AT aliimran architecturalexplorationofcarriersynchronizationfortdmabasedsatellitecommunicationsystemsexplorationvonarchitekturenzurtragersynchronisationintdmabasiertensatellitenkommunikationssystemen AT aliimran explorationvonarchitekturenzurtragersynchronisationintdmabasiertensatellitenkommunikationssystemen

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