CN114268315A - 环路滤波器、定时恢复方法和装置 - Google Patents
环路滤波器、定时恢复方法和装置 Download PDFInfo
- Publication number
- CN114268315A CN114268315A CN202010976613.4A CN202010976613A CN114268315A CN 114268315 A CN114268315 A CN 114268315A CN 202010976613 A CN202010976613 A CN 202010976613A CN 114268315 A CN114268315 A CN 114268315A
- Authority
- CN
- China
- Prior art keywords
- signal
- signals
- timing error
- timing
- timing recovery
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
- H04L7/0062—Detection of the synchronisation error by features other than the received signal transition detection of error based on data decision error, e.g. Mueller type detection
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/0807—Details of the phase-locked loop concerning mainly a recovery circuit for the reference signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/091—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector using a sampling device
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
- H04L7/0334—Processing of samples having at least three levels, e.g. soft decisions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/10—Arrangements for initial synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (16)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976613.4A CN114268315A (zh) | 2020-09-16 | 2020-09-16 | 环路滤波器、定时恢复方法和装置 |
| PCT/CN2021/118882 WO2022057867A1 (zh) | 2020-09-16 | 2021-09-16 | 环路滤波器、定时恢复方法和装置 |
| US18/026,613 US12445136B2 (en) | 2020-09-16 | 2021-09-16 | Loop filter, timing recovery method and apparatus |
| EP21868689.7A EP4213390A4 (en) | 2020-09-16 | 2021-09-16 | LOOP FILTER, AND SYNCHRONIZATION RECOVERY METHOD AND APPARATUS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976613.4A CN114268315A (zh) | 2020-09-16 | 2020-09-16 | 环路滤波器、定时恢复方法和装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114268315A true CN114268315A (zh) | 2022-04-01 |
Family
ID=80776499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010976613.4A Pending CN114268315A (zh) | 2020-09-16 | 2020-09-16 | 环路滤波器、定时恢复方法和装置 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4213390A4 (zh) |
| CN (1) | CN114268315A (zh) |
| WO (1) | WO2022057867A1 (zh) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1174634A (zh) * | 1994-11-28 | 1998-02-25 | 柯廷技术大学 | 受控的频率相位锁定环路 |
| US20030026369A1 (en) * | 2001-08-02 | 2003-02-06 | Murray Carl Damien | Timing recovery in data communication circuits |
| CN101729236A (zh) * | 2009-12-07 | 2010-06-09 | 清华大学 | 用于全数字接收机的并行内插装置及方法 |
| US8693596B1 (en) * | 2011-07-20 | 2014-04-08 | Pmc-Sierra, Inc. | Gain calibration for a Mueller-Muller type timing error detector |
| CN105122720A (zh) * | 2013-02-21 | 2015-12-02 | 高通股份有限公司 | 用于在10gbase-t系统中数据辅助定时恢复的方法和装置 |
| US9251811B1 (en) * | 2015-06-10 | 2016-02-02 | International Business Machines Corporation | Symbol timing recovery scheme for parallel recording channel systems |
| CN109361416A (zh) * | 2018-10-31 | 2019-02-19 | 深圳市中科汉天下电子有限公司 | 一种符号定时恢复电路及其接收机 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003013051A2 (en) * | 2001-08-02 | 2003-02-13 | Massana Research Limited | Timing recovery in data communication circuits |
| CN101170398B (zh) * | 2007-11-30 | 2010-04-14 | 北京卫星信息工程研究所 | 一种基于压控晶体振荡器的大动态范围的快速时钟恢复系统 |
| US8929496B2 (en) * | 2008-02-01 | 2015-01-06 | Rambus Inc. | Receiver with enhanced clock and data recovery |
| CN101854497B (zh) * | 2010-05-07 | 2013-04-03 | 深圳国微技术有限公司 | 数字电视接收机及其定时恢复方法 |
| US9313017B1 (en) * | 2015-06-11 | 2016-04-12 | Xilinx, Inc. | Baud-rate CDR circuit and method for low power applications |
| CN108809869B (zh) * | 2017-04-28 | 2020-12-29 | 深圳市中兴微电子技术有限公司 | 一种对采样时刻的控制方法及装置 |
| CN111245544A (zh) * | 2020-01-08 | 2020-06-05 | 西安电子科技大学 | 一种非合作通信系统中存在符号率偏差的定时同步改进方法 |
-
2020
- 2020-09-16 CN CN202010976613.4A patent/CN114268315A/zh active Pending
-
2021
- 2021-09-16 EP EP21868689.7A patent/EP4213390A4/en active Pending
- 2021-09-16 WO PCT/CN2021/118882 patent/WO2022057867A1/zh not_active Ceased
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1174634A (zh) * | 1994-11-28 | 1998-02-25 | 柯廷技术大学 | 受控的频率相位锁定环路 |
| US20030026369A1 (en) * | 2001-08-02 | 2003-02-06 | Murray Carl Damien | Timing recovery in data communication circuits |
| CN101729236A (zh) * | 2009-12-07 | 2010-06-09 | 清华大学 | 用于全数字接收机的并行内插装置及方法 |
| US8693596B1 (en) * | 2011-07-20 | 2014-04-08 | Pmc-Sierra, Inc. | Gain calibration for a Mueller-Muller type timing error detector |
| CN105122720A (zh) * | 2013-02-21 | 2015-12-02 | 高通股份有限公司 | 用于在10gbase-t系统中数据辅助定时恢复的方法和装置 |
| US9251811B1 (en) * | 2015-06-10 | 2016-02-02 | International Business Machines Corporation | Symbol timing recovery scheme for parallel recording channel systems |
| CN109361416A (zh) * | 2018-10-31 | 2019-02-19 | 深圳市中科汉天下电子有限公司 | 一种符号定时恢复电路及其接收机 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022057867A1 (zh) | 2022-03-24 |
| EP4213390A4 (en) | 2024-10-23 |
| US20240030928A1 (en) | 2024-01-25 |
| EP4213390A9 (en) | 2023-09-06 |
| EP4213390A1 (en) | 2023-07-19 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 2nd Floor, 2nd Floor, ZTE Industrial Park, No. 2 Xili Chuangyan Road, Xili Community, Xili Street, Nanshan District, Shenzhen City, Guangdong Province 518055 Applicant after: SANECHIPS TECHNOLOGY Co.,Ltd. Address before: 518055 Zhongxing Industrial Park, Liuxian Avenue, Xili street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: SANECHIPS TECHNOLOGY Co.,Ltd. Country or region before: China |
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Country or region after: China Address after: 518055, 2nd Floor, ZTE Industrial Park, No. 2 Chuangyan Road, Xili Community, Xili Street, Nanshan District, Shenzhen City, Guangdong Province, China Applicant after: SANECHIPS TECHNOLOGY Co.,Ltd. Address before: 2nd Floor, 2nd Floor, ZTE Industrial Park, No. 2 Xili Chuangyan Road, Xili Community, Xili Street, Nanshan District, Shenzhen City, Guangdong Province 518055 Applicant before: SANECHIPS TECHNOLOGY Co.,Ltd. Country or region before: China |