Superposition mapping & related coding techniques:
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Abschlussarbeit Buch |
Sprache: | English |
Veröffentlicht: |
Aachen
Shaker
2012
|
Schriftenreihe: | Digital communications
|
Schlagworte: | |
Online-Zugang: | Inhaltsverzeichnis |
Beschreibung: | XIV, 222 S. graph. Darst. |
ISBN: | 9783844008944 |
Internformat
MARC
LEADER | 00000nam a2200000 c 4500 | ||
---|---|---|---|
001 | BV041075607 | ||
003 | DE-604 | ||
005 | 20130625 | ||
007 | t | ||
008 | 130607s2012 gw d||| m||| 00||| eng d | ||
015 | |a 12,N10 |2 dnb | ||
015 | |a 13,A03 |2 dnb | ||
016 | 7 | |a 1020331755 |2 DE-101 | |
020 | |a 9783844008944 |c kart. : EUR 49.80 (DE), EUR 49.80 (AT), sfr 99.60 (freier Pr.) |9 978-3-8440-0894-4 | ||
024 | 3 | |a 9783844008944 | |
035 | |a (OCoLC)914895776 | ||
035 | |a (DE-599)DNB1020331755 | ||
040 | |a DE-604 |b ger |e rakddb | ||
041 | 0 | |a eng | |
044 | |a gw |c XA-DE-NW | ||
049 | |a DE-83 | ||
082 | 0 | |a 621.381536 |2 22/ger | |
082 | 0 | |a 621.3822 |2 22/ger | |
084 | |a ZN 6045 |0 (DE-625)157497: |2 rvk | ||
084 | |a 621.3 |2 sdnb | ||
100 | 1 | |a Wo, Tianbin |d 1979- |e Verfasser |0 (DE-588)101998368X |4 aut | |
245 | 1 | 0 | |a Superposition mapping & related coding techniques |c Tianbin Wo |
264 | 1 | |a Aachen |b Shaker |c 2012 | |
300 | |a XIV, 222 S. |b graph. Darst. | ||
336 | |b txt |2 rdacontent | ||
337 | |b n |2 rdamedia | ||
338 | |b nc |2 rdacarrier | ||
490 | 0 | |a Digital communications | |
502 | |a Zugl.: Kiel, Univ., Diss., 2011 | ||
650 | 0 | 7 | |a Kanalcodierung |0 (DE-588)4163183-3 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Low-Density-Parity-Check-Code |0 (DE-588)7614708-3 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Bitfehlerhäufigkeit |0 (DE-588)4145765-1 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Bandspreiztechnik |0 (DE-588)4181277-3 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Soft-decision-Decodierung |0 (DE-588)4627208-2 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Digitalmodulation |0 (DE-588)4149852-5 |2 gnd |9 rswk-swf |
650 | 0 | 7 | |a Interleaving |0 (DE-588)4603410-9 |2 gnd |9 rswk-swf |
655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
689 | 0 | 0 | |a Digitalmodulation |0 (DE-588)4149852-5 |D s |
689 | 0 | 1 | |a Kanalcodierung |0 (DE-588)4163183-3 |D s |
689 | 0 | 2 | |a Bitfehlerhäufigkeit |0 (DE-588)4145765-1 |D s |
689 | 0 | 3 | |a Soft-decision-Decodierung |0 (DE-588)4627208-2 |D s |
689 | 0 | 4 | |a Bandspreiztechnik |0 (DE-588)4181277-3 |D s |
689 | 0 | 5 | |a Interleaving |0 (DE-588)4603410-9 |D s |
689 | 0 | 6 | |a Low-Density-Parity-Check-Code |0 (DE-588)7614708-3 |D s |
689 | 0 | |5 DE-604 | |
856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026052498&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
999 | |a oai:aleph.bib-bvb.de:BVB01-026052498 |
Datensatz im Suchindex
_version_ | 1804150443862917120 |
---|---|
adam_text | IMAGE 1
CONTENTS
1 INTRODUCTION 1
1.1 BACKGROUND 1
1.2 MOTIVATION 3
1.3 SCOPE A N D A I M 5
1.4 THESIS OUTLINE 6
2 GAUSSIAN CHANNEL 7
2.1 CHANNEL MODEL 7
2.2 M U T U A L INFORMATION 8
2.3 CAPACITY FOR ZERO ERROR PROBABILITY 9
2.4 CAPACITY FOR FINITE ERROR PROBABILITY 11
3 SUPERPOSITION M A P P I N G ( S M ) 1 3
3.1 GENERAL DESCRIPTION 14
3.2 A N INFORMATION THEORETICAL VIEW 16
3.3 EQUAL POWER ALLOCATION (EPA) 17
3.3.1 OVERVIEW 17
3.3.2 SYMBOL DISTRIBUTION 19
3.3.3 SYMBOL ENTROPY 22
3.3.4 M U T U A L INFORMATION 24
IX
HTTP://D-NB.INFO/1020331755
IMAGE 2
3.4 UNEQUAL POWER ALLOCATION (UPA) 26
3.4.1 T H E EXPONENTIAL LAW 26
3.4.2 MAPPING A N D LABELING 28
3.5 GROUPED POWER ALLOCATION (GPA) 30
3.5.1 BASIC IDEA 30
3.5.2 SYMBOL DISTRIBUTION & M U T U A L INFORMATION 31
3.5.3 SYMBOL CARDINALITY & SYMBOL ENTROPY 34
3.5.4 MAPPING & LABELING 36
4 U N C O D E D S M TRANSMISSION 3 7
4.1 MAXIMUM-A-POSTERIORI DEMAPPING 37
4.2 BIT ERROR PROBABILITY OF SM-EPA 38
4.3 BIT ERROR PROBABILITY OF SM-UPA 42
4.4 BIT ERROR PROBABILITY OF SM-GPA 4 3
5 C O D E D S M TRANSMISSION 4 5
5.1 SYSTEM STRUCTURE 46
5.2 SOFT-INPUT SOFT-OUTPUT DEMAPPING 4 7
5.2.1 S T A N D A R D A P P APPROACH 4 7
5.2.2 TREE-BASED A P P APPROACH 50
5.2.3 GAUSSIAN-APPROXIMATION APPROACH 56
5.3 REPETITION-CODED SM 58
5.3.1 FACTOR G R A P H REPRESENTATION 59
5.3.2 PERFORMANCE OVERVIEW 60
5.4 PARITY-CHECK-CODED SM 65
5.4.1 FACTOR G R A P H REPRESENTATION 65
5.4.2 PERFORMANCE OVERVIEW 66
X
IMAGE 3
6 SPREADING, SCRAMBLING, A N D INTERLEAVING 6 9
6.1 EFFECTS OF SPREADING 70
6.1.1 REGULAR REPETITION 70
6.1.2 IRREGULAR REPETITION 71
6.1.3 INFORMATION AGGREGATION A N D INFORMATION DISTRIBUTION 72
6.2 EFFECTS OF SCRAMBLING 76
6.2.1 T H E T R A P OF MESSAGE OSCILLATION 77
6.2.2 DISTINGUISHABILITY OF OVERLAPPED REPETITION CODE WORDS 85
6.3 EFFECTS OF INTERLEAVING 87
6.3.1 A FIRST IMPRESSION 87
6.3.2 A HEURISTIC EXAMPLE FOR INTERLEAVER DESIGN 88
6.3.3 S U M M A T I O N CHECK EXTRINSIC MESSAGE DEGREE 9 1
6.4 LOW-DENSITY SUMMATION-CHECK CODE 9 3
6.4.1 BASIC PRINCIPLE 94
6.4.2 COMPUTER-BASED INTERLEAVER DESIGN 96
6.4.3 COMPUTER-BASED SCRAMBLER DESIGN 110
6.4.4 SUPPORTABLE R A T E W I T H REGULAR REPETITION 116
6.4.5 SUPPORTABLE R A T E W I T H IRREGULAR REPETITION 119
7 CHANNEL C O D I N G FOR SUPERPOSITION M A P P I N G 1 2 7
7.1 SOME THEORETICAL ASPECTS 128
7.1.1 DUALITY T O BINARY A D D E R CHANNEL 128
7.1.2 FINITE-ERROR CAPACITY FOR CODED SM TRANSMISSION 132
, 7.1.3 TYPICALITY OF FINITE-LENGTH SYMBOL SEQUENCES 134
7.1.4 MAXIMUM-LIKELIHOOD DECODING VS. ITERATIVE DECODING 137
XI
IMAGE 4
7.2 SOME PRACTICAL ASPECTS 138
7.2.1 INFORMATION-TO-COMPLEXITY RATIO 138
7.2.2 COMPRESSION GAIN A N D IRREGULARITY LOSS 140
7.3 SUITABLE REDUNDANCY FOR SUPERPOSITION MAPPING 143
7.3.1 REPETITIONS VS. P A R I T Y BITS 143
7.3.2 REPETITIONS PLUS PARITY BITS 147
7.4 LOW-DENSITY HYBRID-CHECK CODE 152
7.4.1 BASIC PRINCIPLE 152
7.4.2 COMPATIBLE CODE STRUCTURES 154
7.4.3 DEGREE DISTRIBUTION & DEGREE COMBINATION 157
7.4.4 POSSIBLE WAYS FOR INTERLEAVER DESIGN 172
7.4.5 IS SCRAMBLING STILL NECESSARY? 181
7.5 CODE DESIGN EXAMPLES FOR T H E NOISELESS B A C 182
7.5.1 T H E CASE OF .V 2 182
7.5.2 T H E CASE OF N = 4 185
7.5.3 T H E CASE OF .V 8 188
7.5.4 T H E CASE .IF .V ... 10 189
7.6 CODE DESIGN EXAMPLES FOR T H E AWGN CHANNEL 192
7.6.1 PRELIMINARY REMARKS 192
7.6.2 T H E CASE OF 1 B I T / S Y M B O L 193
7.6.3 T H E CASE OF 2 BITS/SYMBOL 195
7.6.4 T H E CASE OF 4 BITS/SYMBOL 197
8 S U M M A R Y AND OUTLOOK 199
BIBLIOGRAPHY 2 0 1
XII
IMAGE 5
A ACRONYMS AND ABBREVIATIONS 2 1 1
A . L ACRONYMS 211
A.2 ABBREVIATIONS 213
B MATHEMATICAL N O T A T I O N S 215
C MATHEMATICAL DEFINITIONS & DERIVATIONS 2 1 7
C . L DEFINITION OF LLRS 217
C.2 ENTROPY OF GAUSSIAN VARIABLE 218
C.3 QUANTIZATION OF GAUSSIAN VARIABLE 219
D O W N PUBLICATIONS R E L A T E D T O T H E THESIS 2 2 1
XIII
|
any_adam_object | 1 |
author | Wo, Tianbin 1979- |
author_GND | (DE-588)101998368X |
author_facet | Wo, Tianbin 1979- |
author_role | aut |
author_sort | Wo, Tianbin 1979- |
author_variant | t w tw |
building | Verbundindex |
bvnumber | BV041075607 |
classification_rvk | ZN 6045 |
ctrlnum | (OCoLC)914895776 (DE-599)DNB1020331755 |
dewey-full | 621.381536 621.3822 |
dewey-hundreds | 600 - Technology (Applied sciences) |
dewey-ones | 621 - Applied physics |
dewey-raw | 621.381536 621.3822 |
dewey-search | 621.381536 621.3822 |
dewey-sort | 3621.381536 |
dewey-tens | 620 - Engineering and allied operations |
discipline | Elektrotechnik / Elektronik / Nachrichtentechnik |
format | Thesis Book |
fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>02410nam a2200589 c 4500</leader><controlfield tag="001">BV041075607</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="005">20130625 </controlfield><controlfield tag="007">t</controlfield><controlfield tag="008">130607s2012 gw d||| m||| 00||| eng d</controlfield><datafield tag="015" ind1=" " ind2=" "><subfield code="a">12,N10</subfield><subfield code="2">dnb</subfield></datafield><datafield tag="015" ind1=" " ind2=" "><subfield code="a">13,A03</subfield><subfield code="2">dnb</subfield></datafield><datafield tag="016" ind1="7" ind2=" "><subfield code="a">1020331755</subfield><subfield code="2">DE-101</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">9783844008944</subfield><subfield code="c">kart. : EUR 49.80 (DE), EUR 49.80 (AT), sfr 99.60 (freier Pr.)</subfield><subfield code="9">978-3-8440-0894-4</subfield></datafield><datafield tag="024" ind1="3" ind2=" "><subfield code="a">9783844008944</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)914895776</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)DNB1020331755</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield><subfield code="e">rakddb</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="044" ind1=" " ind2=" "><subfield code="a">gw</subfield><subfield code="c">XA-DE-NW</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-83</subfield></datafield><datafield tag="082" ind1="0" ind2=" "><subfield code="a">621.381536</subfield><subfield code="2">22/ger</subfield></datafield><datafield tag="082" ind1="0" ind2=" "><subfield code="a">621.3822</subfield><subfield code="2">22/ger</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">ZN 6045</subfield><subfield code="0">(DE-625)157497:</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">621.3</subfield><subfield code="2">sdnb</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Wo, Tianbin</subfield><subfield code="d">1979-</subfield><subfield code="e">Verfasser</subfield><subfield code="0">(DE-588)101998368X</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Superposition mapping & related coding techniques</subfield><subfield code="c">Tianbin Wo</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Aachen</subfield><subfield code="b">Shaker</subfield><subfield code="c">2012</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">XIV, 222 S.</subfield><subfield code="b">graph. Darst.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="490" ind1="0" ind2=" "><subfield code="a">Digital communications</subfield></datafield><datafield tag="502" ind1=" " ind2=" "><subfield code="a">Zugl.: Kiel, Univ., Diss., 2011</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Kanalcodierung</subfield><subfield code="0">(DE-588)4163183-3</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Low-Density-Parity-Check-Code</subfield><subfield code="0">(DE-588)7614708-3</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Bitfehlerhäufigkeit</subfield><subfield code="0">(DE-588)4145765-1</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Bandspreiztechnik</subfield><subfield code="0">(DE-588)4181277-3</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Soft-decision-Decodierung</subfield><subfield code="0">(DE-588)4627208-2</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Digitalmodulation</subfield><subfield code="0">(DE-588)4149852-5</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Interleaving</subfield><subfield code="0">(DE-588)4603410-9</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="655" ind1=" " ind2="7"><subfield code="0">(DE-588)4113937-9</subfield><subfield code="a">Hochschulschrift</subfield><subfield code="2">gnd-content</subfield></datafield><datafield tag="689" ind1="0" ind2="0"><subfield code="a">Digitalmodulation</subfield><subfield code="0">(DE-588)4149852-5</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="1"><subfield code="a">Kanalcodierung</subfield><subfield code="0">(DE-588)4163183-3</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="2"><subfield code="a">Bitfehlerhäufigkeit</subfield><subfield code="0">(DE-588)4145765-1</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="3"><subfield code="a">Soft-decision-Decodierung</subfield><subfield code="0">(DE-588)4627208-2</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="4"><subfield code="a">Bandspreiztechnik</subfield><subfield code="0">(DE-588)4181277-3</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="5"><subfield code="a">Interleaving</subfield><subfield code="0">(DE-588)4603410-9</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="6"><subfield code="a">Low-Density-Parity-Check-Code</subfield><subfield code="0">(DE-588)7614708-3</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">DNB Datenaustausch</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026052498&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield><datafield tag="999" ind1=" " ind2=" "><subfield code="a">oai:aleph.bib-bvb.de:BVB01-026052498</subfield></datafield></record></collection> |
genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
genre_facet | Hochschulschrift |
id | DE-604.BV041075607 |
illustrated | Illustrated |
indexdate | 2024-07-10T00:39:01Z |
institution | BVB |
isbn | 9783844008944 |
language | English |
oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-026052498 |
oclc_num | 914895776 |
open_access_boolean | |
owner | DE-83 |
owner_facet | DE-83 |
physical | XIV, 222 S. graph. Darst. |
publishDate | 2012 |
publishDateSearch | 2012 |
publishDateSort | 2012 |
publisher | Shaker |
record_format | marc |
series2 | Digital communications |
spelling | Wo, Tianbin 1979- Verfasser (DE-588)101998368X aut Superposition mapping & related coding techniques Tianbin Wo Aachen Shaker 2012 XIV, 222 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Digital communications Zugl.: Kiel, Univ., Diss., 2011 Kanalcodierung (DE-588)4163183-3 gnd rswk-swf Low-Density-Parity-Check-Code (DE-588)7614708-3 gnd rswk-swf Bitfehlerhäufigkeit (DE-588)4145765-1 gnd rswk-swf Bandspreiztechnik (DE-588)4181277-3 gnd rswk-swf Soft-decision-Decodierung (DE-588)4627208-2 gnd rswk-swf Digitalmodulation (DE-588)4149852-5 gnd rswk-swf Interleaving (DE-588)4603410-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Digitalmodulation (DE-588)4149852-5 s Kanalcodierung (DE-588)4163183-3 s Bitfehlerhäufigkeit (DE-588)4145765-1 s Soft-decision-Decodierung (DE-588)4627208-2 s Bandspreiztechnik (DE-588)4181277-3 s Interleaving (DE-588)4603410-9 s Low-Density-Parity-Check-Code (DE-588)7614708-3 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026052498&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
spellingShingle | Wo, Tianbin 1979- Superposition mapping & related coding techniques Kanalcodierung (DE-588)4163183-3 gnd Low-Density-Parity-Check-Code (DE-588)7614708-3 gnd Bitfehlerhäufigkeit (DE-588)4145765-1 gnd Bandspreiztechnik (DE-588)4181277-3 gnd Soft-decision-Decodierung (DE-588)4627208-2 gnd Digitalmodulation (DE-588)4149852-5 gnd Interleaving (DE-588)4603410-9 gnd |
subject_GND | (DE-588)4163183-3 (DE-588)7614708-3 (DE-588)4145765-1 (DE-588)4181277-3 (DE-588)4627208-2 (DE-588)4149852-5 (DE-588)4603410-9 (DE-588)4113937-9 |
title | Superposition mapping & related coding techniques |
title_auth | Superposition mapping & related coding techniques |
title_exact_search | Superposition mapping & related coding techniques |
title_full | Superposition mapping & related coding techniques Tianbin Wo |
title_fullStr | Superposition mapping & related coding techniques Tianbin Wo |
title_full_unstemmed | Superposition mapping & related coding techniques Tianbin Wo |
title_short | Superposition mapping & related coding techniques |
title_sort | superposition mapping related coding techniques |
topic | Kanalcodierung (DE-588)4163183-3 gnd Low-Density-Parity-Check-Code (DE-588)7614708-3 gnd Bitfehlerhäufigkeit (DE-588)4145765-1 gnd Bandspreiztechnik (DE-588)4181277-3 gnd Soft-decision-Decodierung (DE-588)4627208-2 gnd Digitalmodulation (DE-588)4149852-5 gnd Interleaving (DE-588)4603410-9 gnd |
topic_facet | Kanalcodierung Low-Density-Parity-Check-Code Bitfehlerhäufigkeit Bandspreiztechnik Soft-decision-Decodierung Digitalmodulation Interleaving Hochschulschrift |
url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026052498&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
work_keys_str_mv | AT wotianbin superpositionmappingrelatedcodingtechniques |