Source controlled channel encoding and decoding for mobile communications:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Düsseldorf
VDI-Verl.
2002
|
| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Fortschritt-Berichte VDI
Reihe 10, Angewandte Informatik ; 695 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Literaturverz. S 230 - 238 |
| Beschreibung: | IX, 242 S. graph. Darst. : 21 cm |
| ISBN: | 3183695103 |
Internformat
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Datensatz im Suchindex
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|---|---|
| adam_text | FORTSCHRITT-BERICHTE VDI
REIHE 10
INFORMATIK/
KOMMUNIKATION
NR. 695
THOMAS HINDELANG,
MUNCHEN
SOURCE-CONTROLLED
CHANNEL ENCODING AND
DECODING FOR MOBILE
COMMUNICATIONS
VDI VERLAG
CONTENTS
CONTENTS
1 INTRODUCTION 1
2 TRANSMISSION SYSTEMS FOR MOBILE COMMUNICATIONS 6
2.1 THE TRANSMISSION SYSTEM 6
2.1.1 GAUSS-MARKOV SOURCES 8
2.1.2 THE DISCRETE EQUIVALENT LOWPASS CHANNEL 9
2.1.3 MODULATION SCHEMES 12
2.1.3.1 BINARY PHASE SHIFT KEYING (BPSK) 12
2.1.3.2 GAUSSIAN MINIMUM SHIFT KEYING (GMSK) .... 14
2.1.3.3 QUADRATURE PHASE SHIFT KEYING (QPSK) 15
2.1.3.4 DIFFERENTIAL TT/4 SHIFTED QPSK 16
2.1.4 QUALITY EVALUATION IN THE RECEIVER 20
2.2 SOURCE CODING 26
2.2.1 SPEECH CODING IN THE GSM FULL RATE CODEC 26
2.2.2 THE ACELP SPEECH CODING PRINCIPLE AT THE EXAMPLE OF THE
ANSI-TIA 136 . 34
2.2.2.1 CELP SPEECH CODING PRINCIPLE 34
2.2.2.2 SPEECH CODING FOR THE ANSI-TIA 136 39
2.2.3 CODING OF GAUSS-MARKOV SOURCES 45
2.3 CHANNEL CODING 49
2.3.1 CONVOLUTIONAL ENCODING . 49
2.3.1.1 NOTATION 49
2.3.1.2 CODE MEMORY AND CONSTRAINT LENGTH 51
2.3.1.3 NON-SYSTEMATIC, NON-RECURSIVE AND RECURSIVE SYS-
TEMATIC ENCODERS 52
2.3.1.4 PUNCTURED CONVOLUTIONAL AND HIGH-RATE CODES . . 56
2.3.1.5 TERMINATED CONVOLUTIONAL ENCODERS 56
VI CONTENTS
2.3.2 THE DISTANCE SPECTRUM AND THE BIT ERROR RATE OF CONVOLU-
TIONAL CODES 57
2.3.3 DECODING OF CONVOLUTIONAL CODES WITH THE BCJR ALGORITHM 60
2.3.4 DECODING OF CONVOLUTIONAL CODES WITH THE SOFT-OUTPUT VITERBI
ALGORITHM 66
2.3.4.1 THE VITERBI ALGORITHM 67
2.3.4.2 THE SOFT-OUTPUT VITERBI ALGORITHM (SOVA) ... 69
2.3.5 COMPLEXITY OF DECODING ALGORITHMS 73
2.3.6 ITERATIVE DECODING OF PARALLEL AND SERIAL CONCATENATED CODES 76
3 DECODING WITH A PRIORI KNOWLEDGE 80
3.1 A TRANSMISSION SYSTEM USED AS REFERENCE 81
3.2 A PRIORI INFORMATION ON THE BIT LEVEL 85
3.2.1 UNEQUAL APPEARANCE OF 0 AND 1 - 85
3.2.2 TIME CORRELATION ON THE BIT LEVEL 88
3.3 A PRIORI INFORMATION ON THE SYMBOL LEVEL 98
3.3.1 CHANNEL DECODING USING INTRA-PARAMETER CORRELATION . . . . 100
3.3.2 CHANNEL DECODING USING INTER-FRAME CORRELATION 103
3.3.3 CHANNEL DECODING USING INTRA-PARAMETER AND INTER-FRAME
CORRELATION 106
3.4 SOURCE DECODING 110
3.5 BOUNDS ON THE BIT ERROR RATE USING A PRIORI INFORMATION 113
3.5.1 CONFIGURATION OF A PRIORI BITS 113
3.5.2 ESTIMATION OF THE BER OF A SINGLE A PRIORI BIT 115
3.5.3 ESTIMATION OF THE BER USING A PERIODIC A PRIORI STRUCTURE . 117
3.6 BIT-MAPPING 122
3.6.1 BIT-MAPPING AND THE PARAMETER SNR 122
3.6.2 BIT-MAPPING AND THE DECODING GAIN USING A PRIORI KNOWL-
EDGE 126
3.7 CHANNEL AND SOURCE DECODING 136
3.7.1 DECODING OF ONE CORRELATED PARAMETER 137
3.7.2 DECODING OF SEVERAL CORRELATED PARAMETERS WITHIN ONE FRAME 139
3.7.3 A PRIORI KNOWLEDGE IN CHANNEL AND SOURCE DECODING . . . 139
3.8 ITERATIVE SOURCE AND CHANNEL DECODING 143
3.9 INTRA-FRAME CORRELATION 145
3.10 COMPARISON TO OTHER APPROACHES 154
3.10.1 COMPARISON OF SCCD AND MAPSE 154
3.10.2 SOCC AND SCCD: TWO APPROACHES 157
CONTENTS VII
4 APPLICATIONS 164
4.1 THE GSM FULL RATE SPEECH TRANSMISSION 165
4.1.1 CHANNEL CODING AND INTERLEAVING 165
4.1.2 EXPLOITING A PRIORI KNOWLEDGE ON THE BIT LEVEL 168
4.1.3 THE TWO-STEP ALGORITHM 178
4.1.4 ITERATIVE SOURCE AND CHANNEL DECODING FOR GSM 184
4.2 THE ADAPTIVE MULTI RATE CODEC 195
4.2.1 THE AMR CONCEPT 196
4.2.2 CHANNEL CODING OF THE SOURCE ENCODED BITS 197
4.2.3 IN-BAND TRANSMISSION OF MODE BITS 204
4.2.4 SUMMARY OF THE PROPOSAL OF AN AMR CODEC 206
4.3 A RE-INVESTIGATION OF SCALAR QUANTIZATION 207
4.3.1 THE TRANSMISSION SYSTEM 207
4.3.2 DECODING WITH A PRIORI KNOWLEDGE 213
4.3.3 RESULTS 214
4.3.4 SUMMARY , 216
5 CONCLUSIONS AND OUTLOOK 218
ABBREVIATIONS 222
NOMENCLATURE 224
BIBLIOGRAPHY 230
INDEX 238
|
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| author_role | aut |
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| discipline | Elektrotechnik Mathematik |
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| spelling | Hindelang, Thomas Verfasser aut Source controlled channel encoding and decoding for mobile communications Thomas Hindelang Source-controlled channel encoding and decoding for mobile communications Als Ms. gedr. Düsseldorf VDI-Verl. 2002 IX, 242 S. graph. Darst. : 21 cm txt rdacontent n rdamedia nc rdacarrier Fortschritt-Berichte VDI : Reihe 10, Angewandte Informatik 695 Literaturverz. S 230 - 238 Zugl.: München, Techn. Univ., Diss., 2001 Sprachqualität (DE-588)4536190-3 gnd rswk-swf Mobilfunk (DE-588)4170280-3 gnd rswk-swf Bitrate (DE-588)4528788-0 gnd rswk-swf Sprachcodierung (DE-588)4182502-0 gnd rswk-swf Kanalcodierung (DE-588)4163183-3 gnd rswk-swf Quellencodierung (DE-588)4129166-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Mobilfunk (DE-588)4170280-3 s Sprachcodierung (DE-588)4182502-0 s Bitrate (DE-588)4528788-0 s Kanalcodierung (DE-588)4163183-3 s Quellencodierung (DE-588)4129166-9 s Sprachqualität (DE-588)4536190-3 s DE-604 Fortschritt-Berichte VDI Reihe 10, Angewandte Informatik ; 695 (DE-604)BV000897204 695 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009817312&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Hindelang, Thomas Source controlled channel encoding and decoding for mobile communications Fortschritt-Berichte VDI Sprachqualität (DE-588)4536190-3 gnd Mobilfunk (DE-588)4170280-3 gnd Bitrate (DE-588)4528788-0 gnd Sprachcodierung (DE-588)4182502-0 gnd Kanalcodierung (DE-588)4163183-3 gnd Quellencodierung (DE-588)4129166-9 gnd |
| subject_GND | (DE-588)4536190-3 (DE-588)4170280-3 (DE-588)4528788-0 (DE-588)4182502-0 (DE-588)4163183-3 (DE-588)4129166-9 (DE-588)4113937-9 |
| title | Source controlled channel encoding and decoding for mobile communications |
| title_alt | Source-controlled channel encoding and decoding for mobile communications |
| title_auth | Source controlled channel encoding and decoding for mobile communications |
| title_exact_search | Source controlled channel encoding and decoding for mobile communications |
| title_full | Source controlled channel encoding and decoding for mobile communications Thomas Hindelang |
| title_fullStr | Source controlled channel encoding and decoding for mobile communications Thomas Hindelang |
| title_full_unstemmed | Source controlled channel encoding and decoding for mobile communications Thomas Hindelang |
| title_short | Source controlled channel encoding and decoding for mobile communications |
| title_sort | source controlled channel encoding and decoding for mobile communications |
| topic | Sprachqualität (DE-588)4536190-3 gnd Mobilfunk (DE-588)4170280-3 gnd Bitrate (DE-588)4528788-0 gnd Sprachcodierung (DE-588)4182502-0 gnd Kanalcodierung (DE-588)4163183-3 gnd Quellencodierung (DE-588)4129166-9 gnd |
| topic_facet | Sprachqualität Mobilfunk Bitrate Sprachcodierung Kanalcodierung Quellencodierung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009817312&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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