Multi user detection of CDMA signals: algorithms and their application to cellular mobile radio
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Düsseldorf
VDI-Verl.
1996
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| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Verein Deutscher Ingenieure: [Fortschrittberichte VDI / 10]
423 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zugl.: Kaiserslautern, Univ., Diss., 1996 |
| Beschreibung: | VI, 211 S. graph. Darst. |
| ISBN: | 3183423103 |
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Datensatz im Suchindex
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| adam_text | Titel: Multi-user detection of CDMA signals
Autor: Klein, Anja
Jahr: 1996
FORTSCHRITTBERICHTE VM Dipl.-Ing. Anja Klein, Niederkirchen Multi-user detection of CDMA signals - algorithms and their application to cellular mobile radio Reihe 10 : Informatik/ Kommunikationstechnik Nr. 423 VM VERLAG
-V- Contents 1 Introduction......................................................................................................................... 1 1.1 CDMA in cellular mobile radio systems....................................................................... 1 1.1.1 Cellular mobile radio......................................................................................... 1 1.1.2 Evaluation of CDMA in comparison with TDMA for multiple access in cellular mobile radio systems............................................................................ 6 1.1.3 Description and evaluation of different detection principles for CDMA signals..........................................................................................................;..... 12 1.2 State of the art and open problems................................................................................ 14 1.2.1 Detection of CDMA signals.............................................................................. 14 1.2.2 Application of CDMA to cellular mobile radio systems................................... 23 1.3 Goals of this thesis......................................................................................................... 25 1.4 Contents and important results...................................................................................... 27 2 Multi-user detection algorithms for CDMA...................................................................... 32 2.1 Derivation of the discrete-time transmission model............................................ 32 2.1.1 General approach............................................................................................... 32 2.1.2 Continuous-time transmission model................................................................ 32 2.1.3 Discrete-time transmission model..................................................................... 36 2.1.4 Description of the discrete-time
transmission model using matrix-vector notation.............................................................................................................. 38 2.1.5 Extensions of the discrete-time transmission model.......................................... 43 2.1.6 Special cases covered by the discrete-time transmission model........................ 45 2.2 Detection problem......................................................................................................... 48 2.3 Overview of the detection algorithms........................................................................... 49 2.4 Maximum likelihood algorithms.........................................................................;......... 52 2.5 Linear algorithms........................................................................................................... 54 2.5.1 General approach............................................................................................... 54 2.5.2 Matched filtering................................................................................................ 59 2.5.3 Zero forcing block linear equalization............................................................... 62 2.5.4 Minimum mean square error block linear equalization............... 65 2.6 Decision feedback algorithms....................................................................................... 68 2.6.1 General approach............................................................................................... 68 2.6.2 Feedback function.............................................................................................. 75 2.6.3 Matched filtering with decision feedback.......................................................... 82 2.6.4 Zero forcing block decision feedback equalization.............................. 85 2.6.5 Minimum mean square error block decision feedback equalization................. 89 2.7
Maximum likelihood based two-stage algorithms......................................................... 92 2.7.1 General approach............................................................................................... 92 2.7.2 Parallel postdetection......................................................................................... 100 2.7.3 Successive postdetection.................................................................................... 103 2.8 Algorithms specially designed for the downlink situation............................................ 105 2.8.1 General approach............................................................................................... 105 2.8.2 Zero forcing and minimum mean square error block equalization.................... 108 2.9 Modifications of the algorithms.................................................................................... 113
-VI- 3 Cellular mobile radio system concept JD-C/TDMA.........................................................116 3.1 Multiple access scheme and system features................................................................. 116 3.2 Signal format................................................................................................................. 120 3.3 Transmitter and receiver structure................................................................................. 123 3.4 Criteria for the choice of the values of the system parameters...................................... 126 4 Performance of the multi-user detection algorithms in the JD-C/TDMA system concept..................................................................................................................................130 4.1 Presuppositions.............................................................................................................. 130 4.2 Influence of the data detection algorithm...................................................................... 134 4.2.1 Matched filtering and maximum likelihood algorithms.................................... 134 4.2.2 Zero forcing and minimum mean square error block equalization.................... 136 4.2.3 Maximum likelihood based two-stage algorithms............................................. 138 4.3 Influence of the number of active users......................................................................... 143 4.4 Influence of the data modulation................................................................................... 145 4.5 Influence of the propagation area and of the bandwidth................................................ 146 4.6 Influence of the near-far effect...................................................................................... 147 4.7 Influence of correlated
noise.......................................................................................... 150 4.8 Influence of channel coding........................................................................................... 152 4.9 Influence of the specific situation in the downlink........................................................ 155 4.10 Influence of real world effects....................................................................................... 160 5 Suitability of multi-user detection algorithms for application to cellular mobile radio systems........................................................................................................................163 5.1 Feasibility......................................................................................................................163 5.2 Effect on system flexibility............................................................................................ 165 5.3 Effect on system capacity.............................................................................................. 166 6 Summaries............................................................................................................................175 6.1 Summary in English...................................................................................................... 175 6.2 Kurzfassung in deutscher Sprache................................................................................. 176 List of often used symbols and abbreviations........................................................................184 Symbols................................................................................................................................. 184 Abbreviations......................................................................................................................... 188 Bibliography................................................ 190
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| indexdate | 2024-07-09T18:00:49Z |
| institution | BVB |
| isbn | 3183423103 |
| language | English |
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| series2 | Verein Deutscher Ingenieure: [Fortschrittberichte VDI / 10] |
| spelling | Klein, Anja Verfasser aut Multi user detection of CDMA signals algorithms and their application to cellular mobile radio Anja Klein Multi-user detection of CDMA signals Als Ms. gedr. Düsseldorf VDI-Verl. 1996 VI, 211 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Verein Deutscher Ingenieure: [Fortschrittberichte VDI / 10] 423 Zugl.: Kaiserslautern, Univ., Diss., 1996 Zellulares Mobilfunksystem (DE-588)4387563-4 gnd rswk-swf Signaldetektion (DE-588)4181266-9 gnd rswk-swf CDMA (DE-588)4358900-5 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content CDMA (DE-588)4358900-5 s Signaldetektion (DE-588)4181266-9 s Zellulares Mobilfunksystem (DE-588)4387563-4 s DE-604 10] Verein Deutscher Ingenieure: [Fortschrittberichte VDI 423 (DE-604)BV000897204 423 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007290077&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Klein, Anja Multi user detection of CDMA signals algorithms and their application to cellular mobile radio Zellulares Mobilfunksystem (DE-588)4387563-4 gnd Signaldetektion (DE-588)4181266-9 gnd CDMA (DE-588)4358900-5 gnd |
| subject_GND | (DE-588)4387563-4 (DE-588)4181266-9 (DE-588)4358900-5 (DE-588)4113937-9 |
| title | Multi user detection of CDMA signals algorithms and their application to cellular mobile radio |
| title_alt | Multi-user detection of CDMA signals |
| title_auth | Multi user detection of CDMA signals algorithms and their application to cellular mobile radio |
| title_exact_search | Multi user detection of CDMA signals algorithms and their application to cellular mobile radio |
| title_full | Multi user detection of CDMA signals algorithms and their application to cellular mobile radio Anja Klein |
| title_fullStr | Multi user detection of CDMA signals algorithms and their application to cellular mobile radio Anja Klein |
| title_full_unstemmed | Multi user detection of CDMA signals algorithms and their application to cellular mobile radio Anja Klein |
| title_short | Multi user detection of CDMA signals |
| title_sort | multi user detection of cdma signals algorithms and their application to cellular mobile radio |
| title_sub | algorithms and their application to cellular mobile radio |
| topic | Zellulares Mobilfunksystem (DE-588)4387563-4 gnd Signaldetektion (DE-588)4181266-9 gnd CDMA (DE-588)4358900-5 gnd |
| topic_facet | Zellulares Mobilfunksystem Signaldetektion CDMA Hochschulschrift |
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