CN1484907A - 通信质量估计方法、通信质量估计设备和通信系统 - Google Patents
通信质量估计方法、通信质量估计设备和通信系统 Download PDFInfo
- Publication number
- CN1484907A CN1484907A CNA028036123A CN02803612A CN1484907A CN 1484907 A CN1484907 A CN 1484907A CN A028036123 A CNA028036123 A CN A028036123A CN 02803612 A CN02803612 A CN 02803612A CN 1484907 A CN1484907 A CN 1484907A
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- China
- Prior art keywords
- digital modulation
- signal
- modulating system
- communication quality
- plane
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
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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
- H04L1/24—Testing correct operation
- H04L1/241—Testing correct operation using pseudo-errors
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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
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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
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
-
- 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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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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
- H04L1/1607—Details of the supervisory signal
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
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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
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H04L1/203—Details of error rate determination, e.g. BER, FER or WER
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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
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
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- 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
- H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
- H04L25/062—Setting decision thresholds using feedforward techniques only
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
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- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (38)
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001251940 | 2001-08-22 | ||
JP251940/01 | 2001-08-22 | ||
JP251940/2001 | 2001-08-22 | ||
JP68831/2002 | 2002-03-13 | ||
JP68831/02 | 2002-03-13 | ||
JP2002068831 | 2002-03-13 | ||
JP225203/2002 | 2002-08-01 | ||
JP225203/02 | 2002-08-01 | ||
JP2002225203A JP4082661B2 (ja) | 2001-08-22 | 2002-08-01 | 通信品質推定方法、通信品質推定装置及び通信システム |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1484907A true CN1484907A (zh) | 2004-03-24 |
CN100479446C CN100479446C (zh) | 2009-04-15 |
Family
ID=27347366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028036123A Expired - Fee Related CN100479446C (zh) | 2001-08-22 | 2002-08-22 | 通信质量估计方法、通信质量估计设备和通信系统 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1363437B1 (zh) |
JP (1) | JP4082661B2 (zh) |
KR (1) | KR100902450B1 (zh) |
CN (1) | CN100479446C (zh) |
WO (1) | WO2003019893A1 (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7804891B2 (en) | 2004-03-31 | 2010-09-28 | Kabushiki Kaisha Kenwood | Device and method for judging communication quality and program used for the judgment |
CN101405981B (zh) * | 2006-03-17 | 2011-11-09 | 交互数字技术公司 | 用于为数据分组重传实施自适应正交幅度调制信号星座重新映射的方法 |
CN109670353A (zh) * | 2017-10-13 | 2019-04-23 | 重庆微标科技股份有限公司 | 一种电子设备及射频标签的解码纠错方法 |
CN109729030A (zh) * | 2017-10-27 | 2019-05-07 | 博通集成电路(上海)股份有限公司 | 用于发送分组的发射机及其发送分组的方法 |
CN114765473A (zh) * | 2021-01-15 | 2022-07-19 | 富士通株式会社 | 用于估计通信质量的装置和方法 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7502426B2 (en) | 2003-09-09 | 2009-03-10 | Interdigital Technology Corporation | Method for estimating signal magnitude, noise power, and signal-to-noise ratio of received signals |
KR20050027785A (ko) * | 2003-09-16 | 2005-03-21 | 삼성전자주식회사 | 신호 품질 검출 방법 및 그 장치와, 이를 구현하기 위한프로그램이 기록된 기록매체 |
JP4031426B2 (ja) | 2003-12-03 | 2008-01-09 | 株式会社東芝 | 受信装置及び閾値変更装置 |
KR100973946B1 (ko) | 2004-03-12 | 2010-08-05 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 통신 시스템에서 밴드 적응적변조 및 코딩 서브 채널 운용을 위한 시스템 및 방법 |
JP4628150B2 (ja) | 2004-03-29 | 2011-02-09 | パナソニック株式会社 | 通信装置及び通信方法 |
JP4616338B2 (ja) * | 2004-06-14 | 2011-01-19 | サムスン エレクトロニクス カンパニー リミテッド | 多重送受信アンテナを使用する移動通信システムにおける送信モードを制御するための装置,システム及び方法 |
JP4822932B2 (ja) * | 2005-05-27 | 2011-11-24 | パナソニック株式会社 | 受信品質推定装置、無線通信システム及び受信品質推定方法 |
JP5010970B2 (ja) * | 2007-04-25 | 2012-08-29 | 株式会社日立製作所 | Ofdm通信装置および適応速度制御方法 |
JP5362407B2 (ja) * | 2009-03-27 | 2013-12-11 | 日本無線株式会社 | 衛星信号受信装置 |
CN102306213B (zh) * | 2011-07-19 | 2013-01-23 | 西安电子科技大学 | 基于帧数据处理的抗单粒子辐照方法及抗单粒子辐照系统 |
US9019836B2 (en) * | 2012-02-03 | 2015-04-28 | Qualcomm Incorporated | Downlink data transfer flow control during carrier aggregation |
JP2015188167A (ja) * | 2014-03-27 | 2015-10-29 | 日本電信電話株式会社 | 通信装置およびマッピング方法 |
JP6103610B2 (ja) * | 2015-11-17 | 2017-03-29 | 日本電信電話株式会社 | Qamマッピング装置およびマッピング方法 |
US10805037B2 (en) | 2017-12-06 | 2020-10-13 | Qualcomm Incorporated | Modulation selection based on demodulation data |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06205052A (ja) * | 1992-12-28 | 1994-07-22 | Toshiba Corp | 符号誤り警報回路 |
US5490148A (en) * | 1993-12-15 | 1996-02-06 | Motorola, Inc. | Bit error rate estimator |
DE19651593B4 (de) | 1996-12-11 | 2008-11-20 | Rohde & Schwarz Gmbh & Co. Kg | Anordnung zum Optimieren der Datenübertragung über einen bidirektionalen Funkkanal |
JPH10336262A (ja) * | 1997-05-28 | 1998-12-18 | Ikegami Tsushinki Co Ltd | ディジタル信号の伝送品質測定回路 |
JP2001086494A (ja) | 1999-09-10 | 2001-03-30 | Sharp Corp | デジタル放送受信機 |
-
2002
- 2002-08-01 JP JP2002225203A patent/JP4082661B2/ja not_active Expired - Fee Related
- 2002-08-22 EP EP02760693.8A patent/EP1363437B1/en not_active Expired - Lifetime
- 2002-08-22 CN CNB028036123A patent/CN100479446C/zh not_active Expired - Fee Related
- 2002-08-22 WO PCT/JP2002/008450 patent/WO2003019893A1/ja active Application Filing
- 2002-08-22 KR KR1020037008320A patent/KR100902450B1/ko not_active IP Right Cessation
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7804891B2 (en) | 2004-03-31 | 2010-09-28 | Kabushiki Kaisha Kenwood | Device and method for judging communication quality and program used for the judgment |
CN101405981B (zh) * | 2006-03-17 | 2011-11-09 | 交互数字技术公司 | 用于为数据分组重传实施自适应正交幅度调制信号星座重新映射的方法 |
CN109670353A (zh) * | 2017-10-13 | 2019-04-23 | 重庆微标科技股份有限公司 | 一种电子设备及射频标签的解码纠错方法 |
CN109670353B (zh) * | 2017-10-13 | 2021-10-22 | 重庆微标科技股份有限公司 | 一种电子设备及射频标签的解码纠错方法 |
CN109729030A (zh) * | 2017-10-27 | 2019-05-07 | 博通集成电路(上海)股份有限公司 | 用于发送分组的发射机及其发送分组的方法 |
CN109729030B (zh) * | 2017-10-27 | 2021-09-03 | 博通集成电路(上海)股份有限公司 | 用于发送分组的发射机及其发送分组的方法 |
CN114765473A (zh) * | 2021-01-15 | 2022-07-19 | 富士通株式会社 | 用于估计通信质量的装置和方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1363437A1 (en) | 2003-11-19 |
EP1363437B1 (en) | 2018-01-10 |
EP1363437A4 (en) | 2009-12-02 |
JP4082661B2 (ja) | 2008-04-30 |
KR20040032089A (ko) | 2004-04-14 |
KR100902450B1 (ko) | 2009-06-11 |
JP2003338851A (ja) | 2003-11-28 |
WO2003019893A1 (fr) | 2003-03-06 |
CN100479446C (zh) | 2009-04-15 |
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Owner name: PANASONIC ELECTRIC EQUIPMENT INDUSTRIAL CO.,LTD. Free format text: FORMER OWNER: PANASONIC ELECTRIC EQUIPMENT INDUSTRIAL CO.,LTD.; PANASONIC MOBILE COMMUNICATIONS CO., LTD. Effective date: 20050610 |
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Effective date of registration: 20050610 Address after: Tokyo, Japan, Japan Applicant after: Nat Inst of Information and Co. Co-applicant after: Matsushita Electric Industrial Co., Ltd. Address before: Tokyo, Japan, Japan Applicant before: Nat Inst of Information and Co. Co-applicant before: Matsushita Electric Industrial Co., Ltd. Co-applicant before: Panasonic Mobile Comm Co., Ltd. |
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