CN1135763C - 正交频分复用信号解调装置 - Google Patents
正交频分复用信号解调装置 Download PDFInfo
- Publication number
- CN1135763C CN1135763C CNB988010895A CN98801089A CN1135763C CN 1135763 C CN1135763 C CN 1135763C CN B988010895 A CNB988010895 A CN B988010895A CN 98801089 A CN98801089 A CN 98801089A CN 1135763 C CN1135763 C CN 1135763C
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- CN
- China
- Prior art keywords
- mentioned
- output
- signal
- circuit
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- 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 claims abstract description 89
- 230000008859 change Effects 0.000 claims description 59
- 230000005540 biological transmission Effects 0.000 claims description 25
- 230000008901 benefit Effects 0.000 claims description 19
- 238000012937 correction Methods 0.000 claims description 8
- 230000001915 proofreading effect Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 4
- 238000012935 Averaging Methods 0.000 abstract description 2
- 230000002596 correlated effect Effects 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 60
- 238000010586 diagram Methods 0.000 description 30
- 230000009471 action Effects 0.000 description 16
- 238000013507 mapping Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP206639/1997 | 1997-07-31 | ||
JP20663997 | 1997-07-31 | ||
JP21344997 | 1997-08-07 | ||
JP213449/1997 | 1997-08-07 | ||
JP213449/1998 | 1997-08-07 | ||
JP01989298A JP3238120B2 (ja) | 1997-01-31 | 1998-01-30 | 直交周波数分割多重信号復調装置 |
JP19892/1998 | 1998-01-30 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101195776A Division CN100449972C (zh) | 1997-07-31 | 1998-07-30 | 正交频分复用信号解调装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1236513A CN1236513A (zh) | 1999-11-24 |
CN1135763C true CN1135763C (zh) | 2004-01-21 |
Family
ID=27282812
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101195776A Expired - Lifetime CN100449972C (zh) | 1997-07-31 | 1998-07-30 | 正交频分复用信号解调装置 |
CNB988010895A Expired - Lifetime CN1135763C (zh) | 1997-07-31 | 1998-07-30 | 正交频分复用信号解调装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101195776A Expired - Lifetime CN100449972C (zh) | 1997-07-31 | 1998-07-30 | 正交频分复用信号解调装置 |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR100341200B1 (zh) |
CN (2) | CN100449972C (zh) |
WO (1) | WO1999007095A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE602004015929D1 (de) | 2004-03-23 | 2008-10-02 | Infineon Technologies Ag | Phasen- und Frequenzsynchronisationseinrichtung für OFDM-Empfänger unter Verwendung von einer Präambel, Piloten und Informationsdaten |
US7596181B2 (en) * | 2004-09-18 | 2009-09-29 | Samsung Electronics Co., Ltd. | Apparatus and method for frequency synchronization in OFDM system |
KR100738350B1 (ko) * | 2004-12-21 | 2007-07-12 | 한국전자통신연구원 | Ofdm 통신시스템에서 위상잡음 보상을 위한 등화기 및그 방법 |
JP2006352746A (ja) * | 2005-06-20 | 2006-12-28 | Fujitsu Ltd | 直交周波数分割多重伝送用受信機 |
WO2008151468A1 (en) * | 2007-06-15 | 2008-12-18 | Thomson Licensing | Digital signal receiver and method for receiving digital signal |
CN101471727B (zh) * | 2007-12-29 | 2013-04-10 | 京信通信系统(中国)有限公司 | 基于实信号的数字化自动频率检测方法 |
CN101478524B (zh) * | 2009-01-22 | 2011-06-15 | 清华大学 | 一种多天线正交频分复用系统接收端相位噪声的校正方法 |
JP2012205122A (ja) * | 2011-03-25 | 2012-10-22 | Toshiba Corp | 周波数誤差検出装置 |
US9154356B2 (en) * | 2012-05-25 | 2015-10-06 | Qualcomm Incorporated | Low noise amplifiers for carrier aggregation |
JP5984583B2 (ja) * | 2012-08-28 | 2016-09-06 | 三菱電機株式会社 | 周波数誤差検出装置、周波数誤差検出方法及び受信装置 |
CN104965301B (zh) * | 2015-07-23 | 2017-11-21 | 重庆奥特光学仪器有限责任公司 | 一种光学显微镜用复式串联led混合照明器 |
CN113132039B (zh) * | 2021-06-16 | 2021-09-03 | 成都德芯数字科技股份有限公司 | 一种rds与fm导频信号载波及相位同步方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2904986B2 (ja) * | 1992-01-31 | 1999-06-14 | 日本放送協会 | 直交周波数分割多重ディジタル信号送信装置および受信装置 |
JPH0795174A (ja) * | 1993-09-27 | 1995-04-07 | Toshiba Corp | Ofdm信号復調装置 |
JP3116764B2 (ja) * | 1995-02-15 | 2000-12-11 | 株式会社日立製作所 | ディジタル伝送信号の受信器ならびにディジタル伝送方式 |
JP3555265B2 (ja) * | 1995-07-21 | 2004-08-18 | 日本ビクター株式会社 | 周波数分割多重信号送信装置 |
JPH09153882A (ja) * | 1995-09-25 | 1997-06-10 | Victor Co Of Japan Ltd | 直交周波数分割多重信号伝送方式、送信装置及び受信装置 |
-
1998
- 1998-07-30 CN CNB2003101195776A patent/CN100449972C/zh not_active Expired - Lifetime
- 1998-07-30 CN CNB988010895A patent/CN1135763C/zh not_active Expired - Lifetime
- 1998-07-30 WO PCT/JP1998/003391 patent/WO1999007095A1/ja active IP Right Grant
- 1998-07-30 KR KR1019997002729A patent/KR100341200B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1520073A (zh) | 2004-08-11 |
CN100449972C (zh) | 2009-01-07 |
KR100341200B1 (ko) | 2002-06-20 |
CN1236513A (zh) | 1999-11-24 |
WO1999007095A1 (fr) | 1999-02-11 |
KR20000068674A (ko) | 2000-11-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: PANASONIC ELECTRIC EQUIPMENT INDUSTRIAL CO.,LTD. Effective date: 20030818 Owner name: PANASONIC ELECTRIC EQUIPMENT INDUSTRIAL CO.,LTD. Free format text: FORMER OWNER: CORPORATION HIGH-LEVEL DIGITAL TV BROADCAST SYSTEM INSTITUTE |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20030818 Address after: Tokyo, Japan Applicant after: Matsushita Electric Industrial Co., Ltd. Address before: Tokyo, Japan Applicant before: Advanced digital television broadcasting Institute Co-applicant before: Matsushita Electric Industrial Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20040121 |