CN1620776A - 自动重复请求发送分集方案的星座重排 - Google Patents
自动重复请求发送分集方案的星座重排 Download PDFInfo
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- CN1620776A CN1620776A CNA028280814A CN02828081A CN1620776A CN 1620776 A CN1620776 A CN 1620776A CN A028280814 A CNA028280814 A CN A028280814A CN 02828081 A CN02828081 A CN 02828081A CN 1620776 A CN1620776 A CN 1620776A
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- signal constellation
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1835—Buffer management
- H04L1/1845—Combining techniques, e.g. code combining
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0016—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy involving special memory structures, e.g. look-up tables
-
- 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
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
-
- 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
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
-
- 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
- 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
- H04L27/345—Modifications of the signal space to allow the transmission of additional information
- H04L27/3461—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel
- H04L27/3472—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel by switching between alternative constellations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L1/1816—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of the same, encoded, message
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Error Detection And Correction (AREA)
- Transmitters (AREA)
Abstract
Description
码元(i1q1i2q2) | x平均值 | 平均LLR(i1) | 平均LLR(i2) |
0q10q2 | X0 | -Λ | -3Λ |
0q11q2 | X1 | -Λ | 3Λ |
1q10q2 | -X0 | Λ | -Λ |
1q11q2 | -X1 | Λ | Λ |
发送分集支路 | 码元(i1q1i2q2) | 星座重排(映射1+2) | 现有技术不重排(映射1+1) | ||
平均LLR(i1) | 平均LLR(i2) | 平均LLR(i1) | 平均LLR(i2) | ||
1 | 0q10q2 | -Λ | -Λ | -Λ | -Λ |
0q11q2 | -3Λ | Λ | -3Λ | Λ | |
1q10q2 | Λ | -Λ | Λ | -Λ | |
1q11q2 | 3Λ | Λ | 3Λ | Λ | |
2 | 0q10q2 | -Λ | -3Λ | -Λ | -Λ |
0q11q2 | -Λ | 3Λ | -3Λ | Λ | |
1q10q2 | Λ | -Λ | Λ | -Λ | |
1q11q2 | Λ | Λ | 3Λ | Λ | |
组合1+2 | 0q10q2 | -2Λ | -4Λ | -2Λ | -2Λ |
0q11q2 | -4Λ | -4Λ | -6Λ | 2Λ | |
1q10q2 | 2Λ | -2Λ | 2Λ | -2Λ | |
1q11q2 | 4Λ | 2Λ | 6Λ | 2Λ |
发送分集支路 | 发送号 | 码元(i1q1i2q2) | 星座重排(映射1+2+3+4) | 现有技术不重排(映射1+1+1+1) | ||
平均LLR(i1) | 平均LLR(i2) | 平均LLR(i1) | 平均LLR(i2) | |||
1 | 1 | 0q10q2 | -Λ | -Λ | -Λ | -Λ |
0q11q2 | -3Λ | Λ | -3Λ | Λ | ||
1q10q2 | Λ | -Λ | Λ | -Λ | ||
1q11q2 | 3Λ | Λ | 3Λ | Λ | ||
2 | 1 | 0q10q2 | -Λ | -3Λ | -Λ | -Λ |
0q11q2 | -Λ | 3Λ | -3Λ | Λ | ||
1q10q2 | Λ | -Λ | Λ | -Λ | ||
1q11q2 | Λ | Λ | 3Λ | Λ | ||
3 | 2 | 0q10q2 | -Λ | -Λ | -Λ | -Λ |
0q11q2 | -Λ | Λ | -3Λ | Λ | ||
1q10q2 | Λ | -3Λ | Λ | -Λ | ||
1q11q2 | Λ | 3Λ | 3Λ | Λ | ||
4 | 2 | 0q10q2 | -3Λ | -Λ | -Λ | -Λ |
0q11q2 | -Λ | Λ | -3Λ | Λ | ||
1q10q2 | 3Λ | -Λ | Λ | -Λ | ||
1q11q2 | Λ | Λ | 3Λ | Λ |
组合1+2+3+4 | 0q10q2 | -6Λ | -6Λ | -4Λ | -4Λ | |
0q11q2 | -6Λ | 6Λ | -12Λ | 4Λ | ||
1q10q2 | 6Λ | -6Λ | 4Λ | -4Λ | ||
1q11q2 | 6Λ | 6Λ | 12Λ | 4Λ |
Claims (23)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2002/011694 WO2004036818A1 (en) | 2002-10-18 | 2002-10-18 | Constellation rearrangement for arq transmit diversity schemes |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1620776A true CN1620776A (zh) | 2005-05-25 |
CN1620776B CN1620776B (zh) | 2010-05-12 |
Family
ID=32103874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN028280814A Expired - Fee Related CN1620776B (zh) | 2002-10-18 | 2002-10-18 | 自动重复请求发送分集方案的星座重排 |
Country Status (9)
Country | Link |
---|---|
US (4) | US7154961B2 (zh) |
EP (2) | EP1552639B1 (zh) |
JP (1) | JP3885078B2 (zh) |
KR (1) | KR100789042B1 (zh) |
CN (1) | CN1620776B (zh) |
AT (1) | ATE383689T1 (zh) |
AU (1) | AU2002368296A1 (zh) |
DE (1) | DE60224588T2 (zh) |
WO (1) | WO2004036818A1 (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100420177C (zh) * | 2005-06-27 | 2008-09-17 | 华为技术有限公司 | 一种混合自动重传方法 |
WO2009067949A1 (fr) * | 2007-11-27 | 2009-06-04 | Huawei Technologies Co., Ltd. | Procédé et équipement d'envoi/de transmission/de traitement de données |
WO2009089791A1 (fr) * | 2008-01-11 | 2009-07-23 | Huawei Technologies Co., Ltd. | Procédé et appareil permettant de transmettre des données sur la base d'une multi-diversité |
CN102025470A (zh) * | 2009-09-22 | 2011-04-20 | 中兴通讯股份有限公司 | 基于qam调制的混合自动重传方法和发送方法及系统 |
CN101218773B (zh) * | 2005-05-04 | 2012-08-29 | 松下电器产业株式会社 | 用于16正交幅度调制方案的信号空间扩展方法和装置 |
US8462878B2 (en) | 2007-04-23 | 2013-06-11 | Lg Electronics Inc. | Method for transmitting signals for achieving diversity gain |
Families Citing this family (34)
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KR100984626B1 (ko) * | 2002-01-07 | 2010-09-30 | 지멘스 악티엔게젤샤프트 | 비트 레이트 적응 모델이 송신기와 수신기 사이에 시그널링되는 데이터 전송 방법 및 장치 |
EP1552639B1 (en) * | 2002-10-18 | 2008-01-09 | Matsushita Electric Industrial Co., Ltd. | Constellation rearrangement for arq transmit diversity schemes |
JP4224329B2 (ja) * | 2003-03-25 | 2009-02-12 | パナソニック株式会社 | 符号化装置および符号化方法 |
US7729410B2 (en) * | 2003-06-30 | 2010-06-01 | Nxp B.V. | Procedure for BPSK demodulation corresponding to BPSK modulation with reduced envelope peaking |
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EP1655877A1 (en) | 2004-11-03 | 2006-05-10 | Matsushita Electric Industrial Co., Ltd. | Method and transmitter structure reducing ambiguity by repetition rearrangement in the bit domain |
WO2006048061A1 (en) | 2004-11-03 | 2006-05-11 | Matsushita Electric Industrial Co., Ltd. | Method and transmitter structure removing phase ambiguity by repetition rearrangement |
EP1655878A1 (en) | 2004-11-03 | 2006-05-10 | Matsushita Electric Industrial Co., Ltd. | Method and transmitter structure reducing ambiguity by repetition rearrangement in the symbol domain |
WO2006060153A1 (en) * | 2004-11-30 | 2006-06-08 | Matsushita Electric Industrial Co, Ltd. | Transmission methods and apparatus in multi-band ofdm wideband systems |
US7684522B2 (en) * | 2005-08-02 | 2010-03-23 | Beceem Communications Inc. | Method and system for determining a log-likelihood ratio (LLR) corresponding to each bit of a symbol |
EP1901515B1 (en) | 2005-08-05 | 2014-10-15 | Panasonic Intellectual Property Corporation of America | Wireless communication apparatus and wireless communication method |
EP1943748A1 (en) * | 2005-10-28 | 2008-07-16 | Koninklijke Philips Electronics N.V. | Multiple antenna transmission with variable diversity gain |
MY143157A (en) * | 2006-03-17 | 2011-03-31 | Interdigital Tech Corp | Method for adaptive quadrature amplitude modulation signal constellation remapping for data packet retransmissions |
US7653141B2 (en) * | 2006-03-31 | 2010-01-26 | Panasonic Corporation | Multi-band OFDM UWB communication systems having improved frequency diversity |
GB2444099B (en) * | 2006-11-24 | 2009-04-15 | Samsung Electronics Co Ltd | Hybrid Automatic Repeat Request |
US20080151871A1 (en) * | 2006-12-22 | 2008-06-26 | Nokia Corporation | Power-Efficient Multi-Branch Reception |
US8102930B2 (en) * | 2007-03-28 | 2012-01-24 | Agere Systems Inc. | Demodulation of 16-QAM, DCM data symbols using two hybrid-QPSK constellations |
US7996744B2 (en) * | 2007-04-30 | 2011-08-09 | Nokia Corporation | Method and apparatus for providing a data retransmission scheme |
WO2009037788A1 (ja) * | 2007-09-21 | 2009-03-26 | Fujitsu Limited | 送信方法および送信装置 |
WO2009064468A1 (en) * | 2007-11-14 | 2009-05-22 | Thomson Licensing | Code enhanched staggercasting |
KR101467788B1 (ko) * | 2007-12-11 | 2014-12-03 | 엘지전자 주식회사 | 랜덤 선형 부호화를 이용하는 통신방법 및 장치 |
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KR101182852B1 (ko) * | 2008-03-10 | 2012-09-14 | 한국전자통신연구원 | 심볼 매핑 방법 및 장치 |
KR101509728B1 (ko) * | 2008-06-05 | 2015-04-06 | 한국전자통신연구원 | 심볼 매핑 방법 및 장치 |
CN101626286B (zh) * | 2008-07-08 | 2014-01-01 | 三星电子株式会社 | 重传调制发送和接收方法及通信系统 |
KR101334371B1 (ko) * | 2008-08-28 | 2013-11-29 | 한국전자통신연구원 | 심볼 매핑 방법 및 장치 |
CN102165744B (zh) | 2008-09-30 | 2014-04-30 | 富士通株式会社 | 无线发送装置及调制方法 |
WO2010084768A1 (ja) * | 2009-01-23 | 2010-07-29 | パナソニック株式会社 | 無線通信装置及び無線通信方法 |
US8289999B1 (en) * | 2009-11-05 | 2012-10-16 | L-3 Services, Inc. | Permutation mapping for ARQ-processed transmissions |
US8537936B2 (en) * | 2010-05-13 | 2013-09-17 | Telefonaktiebolaget L M Ericsson (Publ) | Channel quality estimation from raw bit error rate |
JP2016129270A (ja) * | 2013-04-24 | 2016-07-14 | 三菱電機株式会社 | 通信装置および受信装置 |
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KR100689551B1 (ko) * | 2001-06-18 | 2007-03-09 | 삼성전자주식회사 | 부호분할다중접속 이동통신시스템에서 데이터 송신 및수신장치 및 방법 |
KR100464346B1 (ko) * | 2001-08-17 | 2005-01-03 | 삼성전자주식회사 | 부호분할다중접속 이동통신시스템에서 패킷 재전송을 위한 송/수신장치 및 방법 |
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KR100464325B1 (ko) * | 2001-10-15 | 2005-01-03 | 삼성전자주식회사 | 이동통신시스템에서 패킷 재전송을 위한 송수신 장치 및 방법 |
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EP1552639B1 (en) * | 2002-10-18 | 2008-01-09 | Matsushita Electric Industrial Co., Ltd. | Constellation rearrangement for arq transmit diversity schemes |
-
2002
- 2002-10-18 EP EP02790298A patent/EP1552639B1/en not_active Expired - Lifetime
- 2002-10-18 DE DE60224588T patent/DE60224588T2/de not_active Expired - Lifetime
- 2002-10-18 AT AT02790298T patent/ATE383689T1/de not_active IP Right Cessation
- 2002-10-18 AU AU2002368296A patent/AU2002368296A1/en not_active Abandoned
- 2002-10-18 KR KR1020047012008A patent/KR100789042B1/ko not_active IP Right Cessation
- 2002-10-18 US US10/501,906 patent/US7154961B2/en not_active Expired - Lifetime
- 2002-10-18 WO PCT/EP2002/011694 patent/WO2004036818A1/en active IP Right Grant
- 2002-10-18 EP EP08000127A patent/EP1903711A3/en not_active Withdrawn
- 2002-10-18 JP JP2004543995A patent/JP3885078B2/ja not_active Expired - Fee Related
- 2002-10-18 CN CN028280814A patent/CN1620776B/zh not_active Expired - Fee Related
-
2006
- 2006-12-05 US US11/633,421 patent/US7567622B2/en not_active Expired - Lifetime
-
2009
- 2009-06-23 US US12/490,096 patent/US20090262858A1/en not_active Abandoned
-
2011
- 2011-02-24 US US13/034,348 patent/US8325845B2/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101218773B (zh) * | 2005-05-04 | 2012-08-29 | 松下电器产业株式会社 | 用于16正交幅度调制方案的信号空间扩展方法和装置 |
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EP1903711A3 (en) | 2008-11-12 |
US20050193307A1 (en) | 2005-09-01 |
DE60224588D1 (de) | 2008-02-21 |
US20090262858A1 (en) | 2009-10-22 |
WO2004036818A1 (en) | 2004-04-29 |
KR20040093702A (ko) | 2004-11-08 |
JP2005533461A (ja) | 2005-11-04 |
US8325845B2 (en) | 2012-12-04 |
CN1620776B (zh) | 2010-05-12 |
US20070147531A1 (en) | 2007-06-28 |
AU2002368296A1 (en) | 2004-05-04 |
KR100789042B1 (ko) | 2007-12-26 |
EP1552639A1 (en) | 2005-07-13 |
JP3885078B2 (ja) | 2007-02-21 |
US7567622B2 (en) | 2009-07-28 |
DE60224588T2 (de) | 2008-05-21 |
ATE383689T1 (de) | 2008-01-15 |
EP1552639B1 (en) | 2008-01-09 |
EP1903711A2 (en) | 2008-03-26 |
US20110141994A1 (en) | 2011-06-16 |
US7154961B2 (en) | 2006-12-26 |
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