IL102766A - מכשיר לקידוד אורטוגונאלי במערכות תקשורת - Google Patents
מכשיר לקידוד אורטוגונאלי במערכות תקשורתInfo
- Publication number
- IL102766A IL102766A IL10276692A IL10276692A IL102766A IL 102766 A IL102766 A IL 102766A IL 10276692 A IL10276692 A IL 10276692A IL 10276692 A IL10276692 A IL 10276692A IL 102766 A IL102766 A IL 102766A
- Authority
- IL
- Israel
- Prior art keywords
- data
- group
- soft decision
- data symbols
- signal
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims description 151
- 239000011159 matrix material Substances 0.000 claims description 95
- 230000007480 spreading Effects 0.000 claims description 42
- 230000005540 biological transmission Effects 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 35
- 238000007476 Maximum Likelihood Methods 0.000 claims description 30
- 230000007704 transition Effects 0.000 claims description 29
- 230000006872 improvement Effects 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 6
- 230000001131 transforming effect Effects 0.000 claims 9
- 238000001228 spectrum Methods 0.000 description 31
- 230000007246 mechanism Effects 0.000 description 24
- 230000006870 function Effects 0.000 description 17
- 238000005562 fading Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000013507 mapping Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000001427 coherent effect Effects 0.000 description 4
- 230000003190 augmentative effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001268 conjugating effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L23/00—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00
- H04L23/02—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00 adapted for orthogonal signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/27—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques
- H03M13/2703—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques the interleaver involving at least two directions
- H03M13/271—Row-column interleaver with permutations, e.g. block interleaving with inter-row, inter-column, intra-row or intra-column permutations
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
- H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
- H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
- H04J13/12—Generation of orthogonal codes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Error Detection And Correction (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/751,372 US5159608A (en) | 1991-08-28 | 1991-08-28 | Method and apparatus for using orthogonal coding in a communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL102766A0 IL102766A0 (en) | 1993-05-13 |
| IL102766A true IL102766A (he) | 1996-01-19 |
Family
ID=25021699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL10276692A IL102766A (he) | 1991-08-28 | 1992-08-10 | מכשיר לקידוד אורטוגונאלי במערכות תקשורת |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5159608A (he) |
| JP (1) | JPH0831839B2 (he) |
| KR (1) | KR960008988B1 (he) |
| CA (1) | CA2074595C (he) |
| IL (1) | IL102766A (he) |
Families Citing this family (72)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2673389B2 (ja) * | 1991-03-07 | 1997-11-05 | 松下電器産業株式会社 | データ伝送装置 |
| JP2876497B2 (ja) * | 1991-08-23 | 1999-03-31 | 松下電器産業株式会社 | 誤り訂正符復号化方法およびその装置 |
| US5737358A (en) * | 1992-03-11 | 1998-04-07 | Geotek Communications, Inc. | Multiplexed radio communication system |
| US5353352A (en) * | 1992-04-10 | 1994-10-04 | Ericsson Ge Mobile Communications Inc. | Multiple access coding for radio communications |
| US5550809A (en) * | 1992-04-10 | 1996-08-27 | Ericsson Ge Mobile Communications, Inc. | Multiple access coding using bent sequences for mobile radio communications |
| EP0917308A1 (en) * | 1992-04-17 | 1999-05-19 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Mobile assisted handover using CDMA |
| US5297161A (en) * | 1992-06-29 | 1994-03-22 | Motorola Inc. | Method and apparatus for power estimation in an orthogonal coded communication system |
| US5857112A (en) * | 1992-09-09 | 1999-01-05 | Hashemi; Ebrahim | System for achieving enhanced performance and data availability in a unified redundant array of disk drives by using user defined partitioning and level of redundancy |
| US5274667A (en) * | 1992-10-23 | 1993-12-28 | David Olmstead | Adaptive data rate packet communications system |
| US5442627A (en) * | 1993-06-24 | 1995-08-15 | Qualcomm Incorporated | Noncoherent receiver employing a dual-maxima metric generation process |
| US5509031A (en) * | 1993-06-30 | 1996-04-16 | Johnson; Chris | Method of transmitting and receiving encoded data in a radio communication system |
| US5515375A (en) * | 1993-07-30 | 1996-05-07 | Motorola, Inc. | Method and apparatus for multiplexing fixed length message data and variably coded speech |
| EP0644661B1 (en) * | 1993-09-20 | 2000-06-14 | Canon Kabushiki Kaisha | Signal processing apparatus |
| US5383219A (en) * | 1993-11-22 | 1995-01-17 | Qualcomm Incorporated | Fast forward link power control in a code division multiple access system |
| FI97661C (fi) * | 1993-12-10 | 1997-01-27 | Nokia Mobile Phones Ltd | Tiedonsiirtomenetelmä, CDMA-lähetin sekä -vastaanotin |
| US5406629A (en) * | 1993-12-20 | 1995-04-11 | Motorola, Inc. | Apparatus and method for digitally processing signals in a radio frequency communication system |
| US5493584A (en) * | 1993-12-27 | 1996-02-20 | Emeott; Stephen P. | Method for determining a channel quality metric in a receiver |
| US5533065A (en) * | 1993-12-28 | 1996-07-02 | At&T Corp. | Decreasing length tracebacks |
| US5450453A (en) * | 1994-09-28 | 1995-09-12 | Motorola, Inc. | Method, apparatus and system for decoding a non-coherently demodulated signal |
| US5604765A (en) * | 1994-12-23 | 1997-02-18 | Stanford Telecommunications, Inc. | Position enhanced communication system including system for embedding CDMA navigation beacons under the communications signals of a wireless communication system |
| US5754597A (en) * | 1994-12-29 | 1998-05-19 | Motorola, Inc. | Method and apparatus for routing a digitized RF signal to a plurality of paths |
| WO1996021292A1 (en) * | 1994-12-29 | 1996-07-11 | Motorola Inc. | Wideband frequency signal digitizer and method |
| US5854813A (en) * | 1994-12-29 | 1998-12-29 | Motorola, Inc. | Multiple access up converter/modulator and method |
| US5579341A (en) * | 1994-12-29 | 1996-11-26 | Motorola, Inc. | Multi-channel digital transceiver and method |
| US5748683A (en) * | 1994-12-29 | 1998-05-05 | Motorola, Inc. | Multi-channel transceiver having an adaptive antenna array and method |
| US5668836A (en) * | 1994-12-29 | 1997-09-16 | Motorola, Inc. | Split frequency band signal digitizer and method |
| US5602874A (en) * | 1994-12-29 | 1997-02-11 | Motorola, Inc. | Method and apparatus for reducing quantization noise |
| US5623485A (en) * | 1995-02-21 | 1997-04-22 | Lucent Technologies Inc. | Dual mode code division multiple access communication system and method |
| US6977967B1 (en) | 1995-03-31 | 2005-12-20 | Qualcomm Incorporated | Method and apparatus for performing fast power control in a mobile communication system |
| TW347616B (en) | 1995-03-31 | 1998-12-11 | Qualcomm Inc | Method and apparatus for performing fast power control in a mobile communication system a method and apparatus for controlling transmission power in a mobile communication system is disclosed. |
| US6137840A (en) * | 1995-03-31 | 2000-10-24 | Qualcomm Incorporated | Method and apparatus for performing fast power control in a mobile communication system |
| ZA965340B (en) | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
| US5710763A (en) * | 1995-07-31 | 1998-01-20 | Motorola, Inc. | Filtered fast Fourier transmultiplexer and method |
| US5862190A (en) * | 1995-12-29 | 1999-01-19 | Motorola, Inc. | Method and apparatus for decoding an encoded signal |
| FI100565B (fi) * | 1996-01-12 | 1997-12-31 | Nokia Mobile Phones Ltd | Tiedonsiirtomenetelmä ja laitteisto signaalin koodaamiseksi |
| US5764649A (en) * | 1996-03-29 | 1998-06-09 | Amati Communications Corporation | Efficient address generation for convolutional interleaving using a minimal amount of memory |
| US6678311B2 (en) | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
| US5893035A (en) * | 1996-09-16 | 1999-04-06 | Qualcomm Incorporated | Centralized forward link power control |
| US6009117A (en) * | 1996-09-17 | 1999-12-28 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Spread spectrum communication system |
| US5892774A (en) * | 1996-12-12 | 1999-04-06 | Qualcomm Incorporated | Phase shift encoded subchannel |
| US5881093A (en) * | 1997-02-10 | 1999-03-09 | Motorola, Inc. | Method of interleaving a convolutionally coded signal in a spread spectrum communication system |
| US5991284A (en) * | 1997-02-13 | 1999-11-23 | Qualcomm Inc. | Subchannel control loop |
| US5991262A (en) * | 1997-03-31 | 1999-11-23 | Motorola, Inc. | Method and apparatus for reducing peak-to-average power ratio of a composite carrier signal |
| US6560461B1 (en) | 1997-08-04 | 2003-05-06 | Mundi Fomukong | Authorized location reporting paging system |
| US6097972A (en) * | 1997-08-29 | 2000-08-01 | Qualcomm Incorporated | Method and apparatus for processing power control signals in CDMA mobile telephone system |
| GB2329557B (en) * | 1997-09-19 | 2002-05-01 | Motorola As | Method and apparatus for viterbi decoding of punctured codes |
| US6167552A (en) * | 1997-10-02 | 2000-12-26 | Harris Corporation | Apparatus for convolutional self-doubly orthogonal encoding and decoding |
| US6351498B1 (en) * | 1997-11-20 | 2002-02-26 | Ntt Mobile Communications Network Inc. | Robust digital modulation and demodulation scheme for radio communications involving fading |
| US6215813B1 (en) * | 1997-12-31 | 2001-04-10 | Sony Corporation | Method and apparatus for encoding trellis coded direct sequence spread spectrum communication signals |
| KR100407342B1 (ko) * | 1998-05-30 | 2003-11-28 | 삼성전자주식회사 | 부호분할다중접속 통신시스템의 통신장치 및 방법 |
| EP0975118B1 (en) | 1998-07-24 | 2007-05-09 | Matsushita Electric Industrial Co., Ltd. | CDMA radio communication system and method |
| WO2000008771A1 (en) * | 1998-08-06 | 2000-02-17 | Qualcomm Incorporated | Method and apparatus for rotating modulation symbol indices |
| US6526091B1 (en) * | 1998-08-17 | 2003-02-25 | Telefonaktiebolaget Lm Ericsson | Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties |
| US6334197B1 (en) * | 1998-08-17 | 2001-12-25 | Hughes Electronics Corporation | Turbo code interleaver with near optimal performance |
| US6104761A (en) | 1998-08-28 | 2000-08-15 | Sicom, Inc. | Constrained-envelope digital-communications transmission system and method therefor |
| US6351832B1 (en) * | 1999-05-28 | 2002-02-26 | Lucent Technologies Inc. | Turbo code symbol interleaver |
| US6535500B1 (en) * | 1999-08-06 | 2003-03-18 | Samsung Electronics, Co., Ltd. | Transmitter of a mobile station in a CDMA communications system and method therefor |
| WO2001020834A1 (en) * | 1999-09-13 | 2001-03-22 | Sony Electronics, Inc. | Method and apparatus for encoding of trellis coded direct sequence spread spectrum communication signals |
| EP1173963A1 (en) * | 1999-12-29 | 2002-01-23 | Koninklijke Philips Electronics N.V. | Communication systems using hadamard coding |
| US7558310B1 (en) | 2001-01-09 | 2009-07-07 | Urbain Alfred von der Embse | Multi-scale code division frequency/wavelet multiple access |
| US7394792B1 (en) * | 2002-10-08 | 2008-07-01 | Urbain A. von der Embse | Multi-scale CDMA |
| US8199696B2 (en) | 2001-03-29 | 2012-06-12 | Qualcomm Incorporated | Method and apparatus for power control in a wireless communication system |
| CN1288560C (zh) * | 2001-11-05 | 2006-12-06 | 诺基亚有限公司 | 通过部分填充块交织器避免通信系统中聚集的方法和设备 |
| US6996230B1 (en) | 2003-06-13 | 2006-02-07 | Adtran, Inc. | Echo-canceler for precoded fractionally spaced receiver using signal estimator |
| US7071866B2 (en) * | 2004-03-26 | 2006-07-04 | Northrop Grumman Corporation | 2-d range hopping spread spectrum encoder/decoder system for RF tags |
| US7596191B2 (en) * | 2005-12-08 | 2009-09-29 | Nokia Corporation | Apparatus, method and computer program product providing a computationally efficient maximum likelihood joint synchronization and channel estimation algorithm |
| RU2396714C1 (ru) * | 2006-04-12 | 2010-08-10 | Эл Джи Электроникс Инк. | Способ распределения опорных сигналов в системе с многими входами и многими выходами (mimo) |
| DE102006026895B3 (de) * | 2006-06-09 | 2007-11-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Interleaver-Vorrichtung, Empfänger für ein von der Interleaver-Vorrichtung erzeugtes Signal, Sender zum Erzeugen eines Sendesignals, Verfahren zum Verarbeiten eines Codeworts, Verfahren zum Empfangen eines Signals und Computer-Programm |
| KR101486373B1 (ko) * | 2007-07-29 | 2015-01-26 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
| CN102185631B (zh) * | 2011-04-28 | 2014-05-14 | 意法·爱立信半导体（北京）有限公司 | 一种码道激活方法及装置 |
| JP5935613B2 (ja) * | 2012-09-14 | 2016-06-15 | 富士通株式会社 | 受信機および軟判定データ処理方法 |
| JP6652760B2 (ja) * | 2015-10-30 | 2020-02-26 | 国立大学法人京都大学 | 通信方法及び通信機 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4901307A (en) * | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
| US4811357A (en) * | 1988-01-04 | 1989-03-07 | Paradyne Corporation | Secondary channel for digital modems using spread spectrum subliminal induced modulation |
| FR2639781B1 (fr) * | 1988-11-25 | 1991-01-04 | Alcatel Thomson Faisceaux | Procede d'entrelacement pour dispositif de transmission numerique |
| US5101501A (en) * | 1989-11-07 | 1992-03-31 | Qualcomm Incorporated | Method and system for providing a soft handoff in communications in a cdma cellular telephone system |
| US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
-
1991
- 1991-08-28 US US07/751,372 patent/US5159608A/en not_active Expired - Lifetime
-
1992
- 1992-07-24 CA CA002074595A patent/CA2074595C/en not_active Expired - Lifetime
- 1992-08-10 IL IL10276692A patent/IL102766A/he not_active IP Right Cessation
- 1992-08-28 KR KR1019920015536A patent/KR960008988B1/ko not_active Expired - Lifetime
- 1992-08-28 JP JP4251880A patent/JPH0831839B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR960008988B1 (ko) | 1996-07-10 |
| US5159608A (en) | 1992-10-27 |
| KR930005407A (ko) | 1993-03-23 |
| IL102766A0 (en) | 1993-05-13 |
| JPH05219015A (ja) | 1993-08-27 |
| CA2074595A1 (en) | 1993-03-01 |
| JPH0831839B2 (ja) | 1996-03-27 |
| CA2074595C (en) | 1997-01-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| EXP | Patent expired |