Gespeichert in:
| Beteilige Person: | |
|---|---|
| Format: | Hochschulschrift/Dissertation Buch |
| Sprache: | Englisch |
| Veröffentlicht: |
Düsseldorf
VDI-Verl.
2009
|
| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Fortschritt-Berichte VDI
Reihe 10, Informatik, Kommunikation ; 795 |
| Schlagwörter: | |
| Links: | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017559672&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| Umfang: | VII, 105 S. graph. Darst. 21 cm |
| ISBN: | 9783183795109 |
Internformat
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| 245 | 1 | 0 | |a Puncturing, mapping, and design of low-density parity-check codes |c Gerd Richter |
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Datensatz im Suchindex
| _version_ | 1819313288584888320 |
|---|---|
| adam_text | CONTENTS 1 INTRODUCTION 1 1.1 A SYSTEM MODEL FOR DIGITAL (COMMUNICATIONS
1 1.2 LOW-DENSITY PARITY-CHECK CODES 2 1.3 OUTLINE OF THIS THESIS 4 2
FUNDAMENTALS OF LOW-DENSITY PARITY-CHECK CODES 5 2.1 FUNDAMENTALS OF
BINARY LINEAR BLOCK CODES 5 2.2 REPRESENTATION OF LDPC CODES AS TANNER
GRAPHS 7 2.3 CYCLE AND GIRTH 9 2.4 STOPPING SETE AND DISTANCE SETE 10
2.5 CONSTRUCTION ALGORITHMS 12 2.5.1 RANDOM ALGORITHM AND ZIGZAG
ALGORITHM 12 2.5.2 PROGRESSIVE EDGE-GROWTH ALGORITHM 13 2.5.3 LDPC CODES
CONSTRUCTED FROM SMALL PROTOGRAPHS 14 2.6 DECODING ALGORITHMS FOR LDPC
CODES 16 2.6.1 BELIEF PROPAGATION ALGORITHM FOR THE BEC 17 2.6.2 BELIEF
PROPAGATION ALGORITHM FOR CONTINUOUS CHANNELS 19 2.7 DISCRETIZED DENSITY
EVOLUTION 23 3 PUNCTURING OF LDPC CODES 27 3.1 OPTIMIZATION OF
PUNCTURING DISTRIBUTIONS FOR LONG LDPC CODES .... 28 3.1.1 PUNCTURED
LDPC CODE ENSEMBLES 28 3.1.2 GENERALIZED CHECK NODE DEGREE DISTRIBUTION
29 3.1.3 GENERALIZED DISCRETIZED DENSITY EVOLUTION 32 3.1.4 OPTIMIZATION
OF PUNCTURING DISTRIBUTIONS 34 3.1.5 SIMULATION RESUITE 37 3.1.6
INFLUENCE OF THE CHANNEL CHARACTERISTICS ON THE PUNCTURING DIS-
TRIBUTIONS 40 3.2 DESIGN OF LONG PUNCTURED AND LONG RATE-COMPATIBLE LDPC
CODES . . 44 3.2.1 DISCRETIZED DENSITY EVOLUTION FOR PROTOGRAPHS 44
3.2.2 OPTIMIZATION OF PUNCTURED AND RATE-COMPATIBLE PROTOGRAPHS . 47
3.2. BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/99372230X
DIGITALISIERT DURCH CONTENTE 4 LDPC CODES WITH BIT-INTERLEAVED CODED
MODULATION 55 4.1 BICM AND CHANNEL ADAPTERS 56 4.2 DEFINITIONS FOR LDPC
CODES AND BICM 59 4.3 OPTIMIZATIONS OF THE MAPPING DISTRIBUTIONS 59 4.4
SIMULATION RESUITE 62 4.5 MAPPING DISTRIBUTIONS FOR LDPC CODES BASED ON
PROTOGRAPHS 66 5 IRREGULAR LDPC CODES WITH LOW ERROR FLOORS 71 5.1
FINDING SMALL STOPPING SETE IN AN LDPC CODE 72 5.2 STOPPING SET SIZE
DISTRIBUTIONS OF LDPC CODES 74 5.3 MODIFICATION OF THE PEG ALGORITHM 76
5.4 DETECTING SMALL STOPPING SETE DURING THE MODIFIED PEG ALGORITHM . .
80 5.5 SIMULATION RESUITE 82 6 IRREGULAR LDPC CONVOLUTIONAL CODES BASED
ON PROTOGRAPHS 87 6.1 NOTATIONS AND BASIC DEFINITIONS 88 6.2 ENCODING OF
LDPC CONVOLUTIONAL CODES 89 6.3 DECODING OF LDPC CONVOLUTIONAL CODES 90
6.4 CONSTRUCTION ALGORITHM FOR LDPC CONVOLUTIONAL CODES 93 6.5
SIMULATION RESUITE 96 7 SUMMARY AND CONCLUSIONS 99 BIBLIOGRAPHY 101 VI
|
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| author | Richter, Gerd 1974- |
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| dewey-full | 005.72 |
| dewey-hundreds | 000 - Computer science, information, general works |
| dewey-ones | 005 - Computer programming, programs, data, security |
| dewey-raw | 005.72 |
| dewey-search | 005.72 |
| dewey-sort | 15.72 |
| dewey-tens | 000 - Computer science, information, general works |
| discipline | Informatik Elektrotechnik / Elektronik / Nachrichtentechnik |
| edition | Als Ms. gedr. |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV035503491 |
| illustrated | Illustrated |
| indexdate | 2024-12-20T13:36:31Z |
| institution | BVB |
| isbn | 9783183795109 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-017559672 |
| oclc_num | 321102551 |
| open_access_boolean | |
| owner | DE-210 DE-83 |
| owner_facet | DE-210 DE-83 |
| physical | VII, 105 S. graph. Darst. 21 cm |
| publishDate | 2009 |
| publishDateSearch | 2009 |
| publishDateSort | 2009 |
| publisher | VDI-Verl. |
| record_format | marc |
| series | Fortschritt-Berichte VDI |
| series2 | Fortschritt-Berichte VDI : Reihe 10, Informatik, Kommunikation |
| spellingShingle | Richter, Gerd 1974- Puncturing, mapping, and design of low-density parity-check codes Fortschritt-Berichte VDI Low-Density-Parity-Check-Code (DE-588)7614708-3 gnd |
| subject_GND | (DE-588)7614708-3 (DE-588)4113937-9 |
| title | Puncturing, mapping, and design of low-density parity-check codes |
| title_auth | Puncturing, mapping, and design of low-density parity-check codes |
| title_exact_search | Puncturing, mapping, and design of low-density parity-check codes |
| title_full | Puncturing, mapping, and design of low-density parity-check codes Gerd Richter |
| title_fullStr | Puncturing, mapping, and design of low-density parity-check codes Gerd Richter |
| title_full_unstemmed | Puncturing, mapping, and design of low-density parity-check codes Gerd Richter |
| title_short | Puncturing, mapping, and design of low-density parity-check codes |
| title_sort | puncturing mapping and design of low density parity check codes |
| topic | Low-Density-Parity-Check-Code (DE-588)7614708-3 gnd |
| topic_facet | Low-Density-Parity-Check-Code Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017559672&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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