CN1537364B - 用于对cdma系统中的编码信号进行联合检测的方法和装置 - Google Patents
用于对cdma系统中的编码信号进行联合检测的方法和装置 Download PDFInfo
- Publication number
- CN1537364B CN1537364B CN02815003.1A CN02815003A CN1537364B CN 1537364 B CN1537364 B CN 1537364B CN 02815003 A CN02815003 A CN 02815003A CN 1537364 B CN1537364 B CN 1537364B
- Authority
- CN
- China
- Prior art keywords
- code element
- input signal
- decoder
- decoder input
- decoders
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims description 21
- 230000009467 reduction Effects 0.000 claims description 65
- 230000006872 improvement Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000006467 substitution reaction Methods 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000013598 vector Substances 0.000 description 4
- 238000012804 iterative process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 102100029469 WD repeat and HMG-box DNA-binding protein 1 Human genes 0.000 description 1
- 101710097421 WD repeat and HMG-box DNA-binding protein 1 Proteins 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0047—Decoding adapted to other signal detection operation
- H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
-
- 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
- H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
- H03M13/2957—Turbo codes and decoding
-
- 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
- H03M13/63—Joint error correction and other techniques
- H03M13/6331—Error control coding in combination with equalisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7105—Joint detection techniques, e.g. linear detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Error Detection And Correction (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/918,250 US6587501B2 (en) | 2001-07-30 | 2001-07-30 | Method and apparatus for joint detection of a coded signal in a CDMA system |
US09/918,250 | 2001-07-30 | ||
PCT/US2002/020547 WO2003013018A2 (en) | 2001-07-30 | 2002-06-28 | Method and apparatus for joint detection of a coded signal in a cdma system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1537364A CN1537364A (zh) | 2004-10-13 |
CN1537364B true CN1537364B (zh) | 2010-05-26 |
Family
ID=25440072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN02815003.1A Expired - Lifetime CN1537364B (zh) | 2001-07-30 | 2002-06-28 | 用于对cdma系统中的编码信号进行联合检测的方法和装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6587501B2 (zh) |
EP (1) | EP1415407B1 (zh) |
CN (1) | CN1537364B (zh) |
AT (1) | ATE382990T1 (zh) |
AU (1) | AU2002345972A1 (zh) |
DE (1) | DE60224402T2 (zh) |
WO (1) | WO2003013018A2 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2001236855A1 (en) * | 2000-02-11 | 2001-08-20 | The Regents Of The University Of California | Method and apparatus for resolving multipath components for wireless location finding |
US6952460B1 (en) | 2001-09-26 | 2005-10-04 | L-3 Communications Corporation | Efficient space-time adaptive processing (STAP) filter for global positioning system (GPS) receivers |
US7093180B2 (en) * | 2002-06-28 | 2006-08-15 | Interdigital Technology Corporation | Fast H-ARQ acknowledgement generation method using a stopping rule for turbo decoding |
US7808937B2 (en) * | 2005-04-07 | 2010-10-05 | Rambus, Inc. | Variable interference cancellation technology for CDMA systems |
KR100594043B1 (ko) * | 2004-11-08 | 2006-06-30 | 삼성전자주식회사 | 고속 터보 디코더에서 병행방식의 디 래이트 매칭을수행하는 입력 버퍼 장치 |
JP4936680B2 (ja) * | 2005-05-20 | 2012-05-23 | 富士通株式会社 | Ofdm受信方法及び受信装置 |
US20080080542A1 (en) * | 2006-09-28 | 2008-04-03 | Analog Devices, Inc. | Architecture for downlink receiver bit rate processor |
US8358988B2 (en) * | 2006-09-28 | 2013-01-22 | Mediatek Inc. | Interface between chip rate processing and bit rate processing in wireless downlink receiver |
US20100074378A1 (en) * | 2006-10-05 | 2010-03-25 | c/o Agency for Science, Technology and Research | Method and System for Estimating a Signal and Computer Program Product |
US8024637B2 (en) * | 2007-04-02 | 2011-09-20 | Broadcom Corporation | Super block error correction code (ECC) adaptable to communication systems including hard disk drives (HDDs) and other memory storage devices |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6182261B1 (en) * | 1998-11-05 | 2001-01-30 | Qualcomm Incorporated | Efficient iterative decoding |
US6223319B1 (en) * | 1998-08-20 | 2001-04-24 | General Electric Company | Turbo code decoder with controlled probability estimate feedback |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100243218B1 (ko) * | 1997-07-10 | 2000-02-01 | 윤종용 | 데이터 복호장치와 그 방법 |
KR100557177B1 (ko) * | 1998-04-04 | 2006-07-21 | 삼성전자주식회사 | 적응 채널 부호/복호화 방법 및 그 부호/복호 장치 |
US6307901B1 (en) | 2000-04-24 | 2001-10-23 | Motorola, Inc. | Turbo decoder with decision feedback equalization |
US7006566B2 (en) * | 2001-04-10 | 2006-02-28 | Koninklijke Philips Electronics N.V. | Two stage equalizer for trellis coded systems |
-
2001
- 2001-07-30 US US09/918,250 patent/US6587501B2/en not_active Expired - Lifetime
-
2002
- 2002-06-28 WO PCT/US2002/020547 patent/WO2003013018A2/en active IP Right Grant
- 2002-06-28 EP EP02744719A patent/EP1415407B1/en not_active Expired - Lifetime
- 2002-06-28 AU AU2002345972A patent/AU2002345972A1/en not_active Abandoned
- 2002-06-28 DE DE60224402T patent/DE60224402T2/de not_active Expired - Lifetime
- 2002-06-28 CN CN02815003.1A patent/CN1537364B/zh not_active Expired - Lifetime
- 2002-06-28 AT AT02744719T patent/ATE382990T1/de not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6223319B1 (en) * | 1998-08-20 | 2001-04-24 | General Electric Company | Turbo code decoder with controlled probability estimate feedback |
US6182261B1 (en) * | 1998-11-05 | 2001-01-30 | Qualcomm Incorporated | Efficient iterative decoding |
Also Published As
Publication number | Publication date |
---|---|
WO2003013018A2 (en) | 2003-02-13 |
DE60224402D1 (de) | 2008-02-14 |
EP1415407A2 (en) | 2004-05-06 |
AU2002345972A1 (en) | 2003-02-17 |
US6587501B2 (en) | 2003-07-01 |
WO2003013018A3 (en) | 2003-05-30 |
DE60224402T2 (de) | 2009-01-02 |
US20030043886A1 (en) | 2003-03-06 |
CN1537364A (zh) | 2004-10-13 |
EP1415407B1 (en) | 2008-01-02 |
ATE382990T1 (de) | 2008-01-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5870414A (en) | Method and apparatus for encoding and decoding digital signals | |
CN102484624B (zh) | 符号估计方法和装置 | |
CN1537364B (zh) | 用于对cdma系统中的编码信号进行联合检测的方法和装置 | |
JP4554610B2 (ja) | 送受信間の複数のアンテナ通信路による高速通信のための反復復号化と等化の方法 | |
US20020186800A1 (en) | Method of coding/decoding a digital data stream coded with bitwise interleaving in multiple transmission and reception in the presence of intersymbol interference and corresponding system | |
CZ282699B6 (cs) | Způsob odhadu váhových parametrů signálu ve přijímači způsobu diversity a zařízení k provádění tohoto způsobu | |
US7397849B2 (en) | Channel estimation enhanced LMS equalizer | |
CN101136896B (zh) | 基于快速傅立叶变换的频域迭代均衡方法 | |
CA2276255A1 (en) | Apparatus, methods and computer program products for sequential maximum likelihood estimating communications signals using whitening path metrics | |
CN101005299A (zh) | 信号处理的方法和系统 | |
CN1633792B (zh) | 使用网格结合判定反馈均衡和补码键控解码的方法和系统 | |
US6584143B2 (en) | Method and apparatus for joint detection of a coded signal in a CDMA system | |
WO2003030477A2 (en) | Single user detection using a fir filter | |
Qian et al. | Trained and Robust Parameter Based Path Sampling for Low Complexity MIMO Detection in 5G-NR | |
US8223827B2 (en) | Method and apparatus for generating filter tap weights and biases for signal dependent branch metric computation | |
Othman et al. | Iterative AMR-WB source and channel decoding using differential space–time spreading-assisted sphere-packing modulation | |
CN110417509B (zh) | 一种全并行scma译码器及其使用方法 | |
Callard et al. | Vector precoding with MMSE for the fast fading and quasi-static multi-user broadcast channel | |
OPPERMANN et al. | Capacity of a coded direct sequence spread spectrum system over fading satellite channels using an adaptive LMS-MMSE receiver | |
JP4215148B2 (ja) | 多入力多出力ターボ受信方法及びその受信機 | |
US7362831B2 (en) | Method and device for sequencing signals from multiusers | |
Mailaender et al. | Reducing Quantizer Distortion Due to Insufficient Resolution in Massive MIMO Receivers | |
US20080069197A1 (en) | Equalizer for equalizing multiple received versions of a signal | |
CN117478274A (zh) | 一种混沌正交导频多层校验串行抵消列表译码方法 | |
Ramon et al. | Predicting the performance and convergence behavior of a turbo-equalization scheme |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOTOROLA MOBILE CO., LTD. Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110110 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110110 Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois, USA Patentee before: Motorola, Inc. |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20160302 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20100526 |