Availability: Dynamic algorithms in multi-user OFDM wireless cells

Dynamic algorithms in multi-user OFDM wireless cells:

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Bibliographic Details
Main Author:	Gross, James Richard (Author)
Format:	Thesis/Dissertation Book
Language:	English
Published:	2006
Subjects:	OFDM Hochschulschrift
Links:	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=015664549&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
Physical Description:	226 S. graph. Darst. 30 cm

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adam_text	DYNAMIC ALGORITHMS IN MULTI-USER OFDM WIRELESS CELLS VORGELEGT VON DIPLOM-INGENIEUR JAMES RICHARD GROSS AUS BERLIN VON DER FAKULTAT IV - ELEKTROTECHNIK UND INFORMATIK DER TECHNISCHEN UNIVERSITAT BERLIN ZUR ERLANGUNG DES AKADEMISCHEN GRADES DOKTOR DER INGENIEURWISSENSCHAFTEN - DR.-ING. - GENEHMIGTE DISSERTATION PROMOTIONSAUSSCHUSS: VORSITZENDER: PROF. DR. BERND MAHR BERICHTER: PROF. DR.-ING. ADAM WOLISZ BERICHTER: PROF. DR. MARTIN GROTSCHEL BERICHTER: PROF. DR.-ING. KARL DIRK KAMMEYER TAG DER WISSENSCHAFTLICHEN AUSSPRACHE: 15. JUNI 2006 BERLIN 2006 D83 CONTENTS 1 INTRODUCTION 9 2 BACKGROUND ISSUES 12 2.1 COMMUNICATIONS OVER WIRELESS CHANNELS 12 2.1.1 ATTENUATION VARIATIONS 13 2.1.2 NOISE AND INTERFERENCE 21 2.1.3 SIMULATION OF WIRELESS CHANNELS 22 2.2 ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING 24 2.3 ENTROPY OF AN INFORMATION SOURCE 30 2.3.1 SOURCE MODELING 30 2.3.2 ENTROPY RATE OF A SOURCE 32 2.3.3 LOSSLESS CODING SCHEMES 33 2.4 MATHEMATICAL PROGRAMMING 34 2.4.1 LINEAR PROGRAMMING 35 2.4.2 INTEGER PROGRAMMING 40 3 RELATED WORK AND SCOPE OF THE THESIS 43 3.1 DYNAMIC SCHEMES FOR POINT-TO-POINT COMMUNICATIONS: STATE OF THE ART .... 43 3.1.1 OPTIMIZATION MODELS AND ALGORITHMS FOR POINT-TO-POINT COMMUNICATIONS 44 3.1.2 SYSTEM STUDIES REGARDING DYNAMIC LOADING SCHEMES 54 3.2 DYNAMIC SCHEMES FOR POINT-TO-MULTI-POINT COMMUNICATIONS: STATE OF THE ART . 56 3.2.1 OPTIMIZATION MODELS FOR DYNAMIC MU-OFDM SYSTEMS 58 3.2.2 ALGORITHMS FOR DYNAMIC MU-OFDM SYSTEMS 62 3.2.3 SYSTEM STUDIES REGARDING DYNAMIC MU-OFDM SYSTEMS 72 3.3 SUMMARY ON DYNAMIC SCHEMES IN MU-OFDM SYSTEMS 73 3.4 SCOPE OF THE THESIS 75 4 ASSIGNMENT ALGORITHMS FOR DYNAMIC MU-OFDM SYSTEMS 79 4.1 MODELING THE RATE ADAPTIVE APPROACH IN DYNAMIC MU-OFDM SYSTEMS . ... 79 4.1.1 COMPLEXITY OF THE RATE ADAPTIVE OPTIMIZATION PROBLEM 84 4.1.2 PERFORMANCE OF THE OPTIMALLY SOLVED RATE ADAPTIVE PROBLEM 88 4.2 SUBOPTIMAL SCHEMES FOR THE RATE ADAPTIVE OPTIMIZATION PROBLEM 99 4.3 SUBOPTIMAL SCHEMES FOR THE RATE ADAPTIVE PROBLEM WITH ADAPTIVE MODULATION 106 4.4 ASSIGNMENT SCHEMES FOR HETEROGENEOUS PACKET STREAMS 113 4.5 CONCLUSIONS 120 5 THE SIGNALING OVERHEAD IN DYNAMIC MU-OFDM SYSTEMS 122 5.1 MODELING FRAMEWORK FOR INBAND SIGNALING SCHEMES 123 5.1.1 SYSTEM MODEL 125 5.1.2 DYNAMIC MU-OFDM APPROACH 127 5.2 THE FIXED SIZE SIGNALING FIELD APPROACH 129 5.2.1 MATHEMATICAL MODEL 129 5.2.2 PROTOCOL ASPECTS 130 5.2.3 PERFORMANCE EVALUATION 131 5.2.4 SUMMARY 145 5.3 JUDGING THE EFFICIENCY OF THE FIXED SIZE SIGNALING FIELD MODEL 147 5.3.1 ENTROPY MODEL 148 5.3.2 PERFORMANCE EVALUATION 151 5.3.3 SUMMARY 158 5.4 REDUCTION OF THE SIGNALING OVERHEAD 160 5.4.1 OPTIMIZATION MODELS FOR THE NET THROUGHPUT 161 5.4.2 OTHER REDUCTION SCHEMES FOR THE SIGNALING OVERHEAD 169 5.4.3 PERFORMANCE EVALUATION 172 5.4.4 SUMMARY 180 5.5 CONCLUSIONS 183 6 PROPOSAL FOR AN IEEE 802.11 EXTENSION BASED ON DYNAMIC OFDM 184 6.1 OVERVIEW OF THE IEEE 802.11 STANDARD 184 6.1.1 ARCHITECTURE AND SERVICES 185 6.1.2 MEDIUM ACCESS CONTROL LAYER 186 6.1.3 THE IEEE 802.11A PHYSICAL LAYER 189 6.2 INTEGRATION CONCEPT OF DYNAMIC MU-OFDM SCHEMES 191 6.2.1 PHYSICAL LAYER PROTOCOL DATA UNIT LAYOUT 192 6.2.2 PROTOCOL ASPECTS 194 6.2.3 TRANSMITTER AND RECEIVER HARDWARE 198 6.3 PERFORMANCE EVALUATION 200 6.3.1 UP-LINK (POINT-TO-POINT) COMMUNICATIONS 200 6.3.2 DOWN-LINK (POINT-TO-MULTI-POINT) COMMUNICATIONS 206 6.4 CONCLUSIONS 209 7 CONCLUSIONS 211 A PUBLICATIONS 213 B ACRONYMS 215 C ACKNOWLEDGEMENTS 218
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spellingShingle	Gross, James Richard Dynamic algorithms in multi-user OFDM wireless cells OFDM (DE-588)4483654-5 gnd
subject_GND	(DE-588)4483654-5 (DE-588)4113937-9
title	Dynamic algorithms in multi-user OFDM wireless cells
title_auth	Dynamic algorithms in multi-user OFDM wireless cells
title_exact_search	Dynamic algorithms in multi-user OFDM wireless cells
title_full	Dynamic algorithms in multi-user OFDM wireless cells von James Richard Gross
title_fullStr	Dynamic algorithms in multi-user OFDM wireless cells von James Richard Gross
title_full_unstemmed	Dynamic algorithms in multi-user OFDM wireless cells von James Richard Gross
title_short	Dynamic algorithms in multi-user OFDM wireless cells
title_sort	dynamic algorithms in multi user ofdm wireless cells
topic	OFDM (DE-588)4483654-5 gnd
topic_facet	OFDM Hochschulschrift
url	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=015664549&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
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