Contributions to the application of adaptive antennas and CDMA code pooling in the TD-CDMA downlink:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Kaiserlautern
Univ.
2002
|
| Schriftenreihe: | Forschungsberichte Mobilkommunikation
10 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zugl.: Kaiserslautern, Univ., Diss., 2002 (Nicht für den Austausch) |
| Beschreibung: | IX, 160 S. Ill., graph. Darst. |
| ISBN: | 3925178767 |
Internformat
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Datensatz im Suchindex
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| adam_text |
ILL
CONTENTS
1 INTRODUCTION 1
1.1 AIR INTERFACE TECHNOLOGIES FOR 3
RD GENERATION MOBILE RADIO SYSTEMS . 1
1.2 ADAPTIVE TRANSMIT ANTENNAS IN THE DOWNLINK OF MOBILE RADIO SYSTEMS
. 4
1.3 GOALS OF THE THESIS .-. 9
1.4 CONTENTS OF THE THESIS. 12
2 DIRECTIONAL CHANNEL MODELS 16
2.1 INTRODUCTION. 16
2.2 DIRECTIONAL SYSTEM LEVEL CHANNEL MODEL. 16
2.3 DIRECTIONAL LINK LEVEL CHANNEL MODELS. 18
2.3.1 MODIFIED 3GPP CHANNEL MODEL. 18
2.3.2 CHANNEL MODEL BASED ON SCATTERING POINTS. 23
3 SYSTEM LEVEL CONSIDERATIONS 26
3.1 INTRODUCTION. 26
3.2 CONSIDERED CELLULAR SCENARIO. 27
3.3 ALGORITHMS FOR DETERMINING THE ANTENNA WEIGHTS. 31
3.3.1 THE MC ALGORITHM. 31
3.3.2 THE MPCI ALGORITHM. 32
3.4 C/I BALANCING. 33
3.5 SIMULATION RESULTS. 35
3.5.1 UNLIMITED TRANSMIT POWER DYNAMICS. 35
3.5.2 LIMITED TRANSMIT POWER DYNAMICS. 40
4 LINK LEVEL CONSIDERATIONS 46
4.1 INTRODUCTION. 46
4.2 TRANSMISSION MODEL OF THE TD-CDMA DOWNLINK WITH ADAPTIVE TRANSMIT
ANTENNAS. 47
4.2.1 CHANNELS BETWEEN THE PORTS OF THE TRANSMIT ANTENNAS AND THE PORT
OF THE RECEIVE ANTENNA . 47
4.2.2 CHANNELS BETWEEN TRANSMITTER OUTPUT AND RECEIVER INPUT. 49
BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/965149617
CONTENTS
IV
4.3 CDMA CODE POOLING. 51
4.4 DATA TRANSMISSION. 54
4.5 ALGORITHMS FOR DETERMINING THE ANTENNA WEIGHTS. 59
4.5.1 THE MC ALGORITHM. 59
4.5.2 THE MPCI ALGORITHM. 61
4.6 DATA DETECTION .'. 62
4.6.1 INTRODUCTION.62
4.6.2 CONVENTIONAL JOINT DETECTION.63
4.6.3 PARTIAL JOINT DETECTION (PJD). 65
4.7 SNIR OPTIMIZATION IN PJD.66
4.7.1 EFFECTIVE NOISE PLUS INTERFERENCE POWER IN PJD.66
4.7.2 MAXIMIZING THE SNIR . 68
4.7.3 EXAMPLE.7. 71
4.7.4 CRITICAL INPUT SNR. 73
4.8 EFFICIENT SIMULATION CONCEPT. 77
4.8.1 INTRODUCTION. 77
4.8.2 ESTIMATING THE CODED BER FOR THE CASE OF USING A SINGLE OMNIDIREC
TIONAL TRANSMIT ANTENNA . 79
4.8.3 ESTIMATING THE CODED BER FOR THE CASE OF USING ADAPTIVE TRANSMIT
ANTENNAS. 80
4.9 SIMULATION RESULTS AND DISCUSSIONS. 81
4.9.1 CONSIDERED SIMULATION PARAMETERS. 81
4.9.2 ANTENNA PATTERNS. 82
4.9.3 SIGNAL SEPARATION. 87
4.9.4 TRANSMIT POWER REDUCTION. 89
4.9.5 BER PERFORMANCE. 90
5 BLIND CHANNEL ESTIMATION 102
5.1 INTRODUCTION.,.102
5.2 SYSTEM SUBMATRIX.104
5.3 SINGULAR VALUE DECOMPOSITION .105
5.4 BLIND DETERMINATION OF THE CHANNEL IMPULSE RESPONSES.106
5.5 ESTIMATION OF THE COVARIANCE MATRIX OF THE SYSTEM SUBMATRIX.108
5.6 SIMULATION RESULTS.109
6 MULTI-CHANNEL TRANSMISSION IN THE TD-CDMA DOWNLINK 116
6.1 INTRODUCTION.116
6.2 MULTI-CHANNEL TRANSMISSION MODEL.116
6.3 MAXIMIZING THE TOTAL CHANNEL CAPACITY WITH CONSTANT AVERAGE INPUT
SNR . 119
6.3.1 CONCEPT.119
CONTENTS
V
6.3.2 RESULTS.121
6.4 CDMA-CODE/CHANNEL MISMATCH.122
6.4.1 INTRODUCTION.122
6.4.2 SNR DEGRADATION UNDER CONSIDERATION OF SINGLE-DIRECTION CHANNEL
MODELS.123
6.4.3 SNR DEGRADATION UNDER CONSIDERATION OF 'MULTI-DIRECTION CHANNEL
MODELS.126
6.5 CONCEPTS FOR OVERCOMING THE CDMA-CODE/CHANNEL MISMATCH.127
6.5.1 CDMA CODE INTERLEAVING.127
6.5.2 POWER CONTROL RATIONALES.129
6.5.3 SIMULATION RESULTS.130
6.6 ADAPTIVE CHANNEL CODING.133
6.6.1 INTRODUCTION.
7
.133
6.6.2 CHANNEL CODING RATE ADAPTATION FOR SINGLE-CHANNEL TRANSMISSION . .
. 133
6.6.3 CHANNEL CODING RATE ADAPTATION FOR MULTI-CHANNEL TRANSMISSION . .
. 134
7 SPECTRUM EFFICIENCY 137
7.1 DEFINITION OF SPECTRUM EFFICIENCY.137
7.2 SIMULATION RESULTS.139
8 SUMMARY 141
8.1 ENGLISH.141
8.2 GERMAN.142
A LIST OF FREQUENTLY USED ACRONYMS AND SYMBOLS 144
A.L ACRONYMS.144
A.2 SYMBOLS.146
BIBLIOGRAPHY
153 |
| any_adam_object | 1 |
| author | Lu, Yang 1968- |
| author_GND | (DE-588)123566851 |
| author_facet | Lu, Yang 1968- |
| author_role | aut |
| author_sort | Lu, Yang 1968- |
| author_variant | y l yl |
| building | Verbundindex |
| bvnumber | BV019856893 |
| classification_rvk | ZN 6560 |
| ctrlnum | (OCoLC)51711505 (DE-599)BVBBV019856893 |
| discipline | Elektrotechnik / Elektronik / Nachrichtentechnik |
| format | Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV019856893 |
| illustrated | Illustrated |
| indexdate | 2024-10-09T18:04:01Z |
| institution | BVB |
| isbn | 3925178767 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-013181470 |
| oclc_num | 51711505 |
| open_access_boolean | |
| owner | DE-29T |
| owner_facet | DE-29T |
| physical | IX, 160 S. Ill., graph. Darst. |
| publishDate | 2002 |
| publishDateSearch | 2002 |
| publishDateSort | 2002 |
| publisher | Univ. |
| record_format | marc |
| series | Forschungsberichte Mobilkommunikation |
| series2 | Forschungsberichte Mobilkommunikation |
| spelling | Lu, Yang 1968- Verfasser (DE-588)123566851 aut Contributions to the application of adaptive antennas and CDMA code pooling in the TD-CDMA downlink Yang Lu Kaiserlautern Univ. 2002 IX, 160 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Forschungsberichte Mobilkommunikation 10 Zugl.: Kaiserslautern, Univ., Diss., 2002 (Nicht für den Austausch) TDMA (DE-588)4424212-8 gnd rswk-swf Downlink (DE-588)4674334-0 gnd rswk-swf Adaptive Antenne (DE-588)4226531-9 gnd rswk-swf CDMA (DE-588)4358900-5 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content TDMA (DE-588)4424212-8 s CDMA (DE-588)4358900-5 s Downlink (DE-588)4674334-0 s Adaptive Antenne (DE-588)4226531-9 s DE-604 Forschungsberichte Mobilkommunikation 10 (DE-604)BV012789072 10 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=013181470&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Lu, Yang 1968- Contributions to the application of adaptive antennas and CDMA code pooling in the TD-CDMA downlink Forschungsberichte Mobilkommunikation TDMA (DE-588)4424212-8 gnd Downlink (DE-588)4674334-0 gnd Adaptive Antenne (DE-588)4226531-9 gnd CDMA (DE-588)4358900-5 gnd |
| subject_GND | (DE-588)4424212-8 (DE-588)4674334-0 (DE-588)4226531-9 (DE-588)4358900-5 (DE-588)4113937-9 |
| title | Contributions to the application of adaptive antennas and CDMA code pooling in the TD-CDMA downlink |
| title_auth | Contributions to the application of adaptive antennas and CDMA code pooling in the TD-CDMA downlink |
| title_exact_search | Contributions to the application of adaptive antennas and CDMA code pooling in the TD-CDMA downlink |
| title_full | Contributions to the application of adaptive antennas and CDMA code pooling in the TD-CDMA downlink Yang Lu |
| title_fullStr | Contributions to the application of adaptive antennas and CDMA code pooling in the TD-CDMA downlink Yang Lu |
| title_full_unstemmed | Contributions to the application of adaptive antennas and CDMA code pooling in the TD-CDMA downlink Yang Lu |
| title_short | Contributions to the application of adaptive antennas and CDMA code pooling in the TD-CDMA downlink |
| title_sort | contributions to the application of adaptive antennas and cdma code pooling in the td cdma downlink |
| topic | TDMA (DE-588)4424212-8 gnd Downlink (DE-588)4674334-0 gnd Adaptive Antenne (DE-588)4226531-9 gnd CDMA (DE-588)4358900-5 gnd |
| topic_facet | TDMA Downlink Adaptive Antenne CDMA Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=013181470&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV012789072 |
| work_keys_str_mv | AT luyang contributionstotheapplicationofadaptiveantennasandcdmacodepoolinginthetdcdmadownlink |