CN102265667B - 无线网络、基站收发器和无线联网设备中的基带恢复 - Google Patents
无线网络、基站收发器和无线联网设备中的基带恢复 Download PDFInfo
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- CN102265667B CN102265667B CN200980152341.8A CN200980152341A CN102265667B CN 102265667 B CN102265667 B CN 102265667B CN 200980152341 A CN200980152341 A CN 200980152341A CN 102265667 B CN102265667 B CN 102265667B
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- Prior art keywords
- sampling
- signal
- error signal
- training
- symbol
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
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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
- H04L1/205—Arrangements for detecting or preventing errors in the information received using signal quality detector jitter monitoring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
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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
- H04L25/067—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
- H04L7/00—Arrangements for synchronising receiver with transmitter
-
- 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
- H04L7/007—Detection of the synchronisation error by features other than the received signal transition detection of error based on maximum signal power, e.g. peak value, maximizing autocorrelation
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- 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
- H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
- H04L7/0029—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/344,398 US8199702B2 (en) | 2008-12-26 | 2008-12-26 | Baseband recovery in wireless networks, base transceiver stations, and wireless networking devices |
US12/344398 | 2008-12-26 | ||
PCT/CA2009/001673 WO2010071977A1 (en) | 2008-12-26 | 2009-11-19 | Baseband recovery in wireless networks, base transceiver stations, and wireless networking devices |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102265667A CN102265667A (zh) | 2011-11-30 |
CN102265667B true CN102265667B (zh) | 2014-04-16 |
Family
ID=42284869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980152341.8A Expired - Fee Related CN102265667B (zh) | 2008-12-26 | 2009-11-19 | 无线网络、基站收发器和无线联网设备中的基带恢复 |
Country Status (9)
Country | Link |
---|---|
US (2) | US8199702B2 (zh) |
EP (1) | EP2371160A4 (zh) |
JP (1) | JP5421389B2 (zh) |
KR (1) | KR101585285B1 (zh) |
CN (1) | CN102265667B (zh) |
BR (1) | BRPI0923726A2 (zh) |
CA (1) | CA2746828C (zh) |
RU (1) | RU2518204C2 (zh) |
WO (1) | WO2010071977A1 (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8761325B2 (en) | 2010-06-28 | 2014-06-24 | Ben WILLCOCKS | Digital receivers |
GB2541323B (en) * | 2010-06-28 | 2017-05-24 | Phyworks Ltd | Digital receivers |
US8750444B2 (en) * | 2011-05-06 | 2014-06-10 | Northrop Grumman Systems Corporation | Snapshot processing of timing data |
US9825707B2 (en) * | 2012-02-10 | 2017-11-21 | Zte (Usa) Inc. | System and method for coherent detection with digital signal procession |
CN102917279B (zh) * | 2012-09-27 | 2016-05-25 | 大唐微电子技术有限公司 | 一种亚音频匹配方法和终端 |
KR102139721B1 (ko) * | 2013-08-29 | 2020-07-30 | 삼성전자주식회사 | 다중 경로 프로토콜에서 이중으로 네트워크 코딩을 적용하는 방법 및 그 장치 |
US9450848B1 (en) * | 2014-08-27 | 2016-09-20 | Marvell International Ltd. | Methods and apparatus for adjusting a phase of a transmitted signal based on an evaluation of an eye opening in an eye diagram |
US10680732B2 (en) * | 2017-02-21 | 2020-06-09 | Maven Wireless Sweden Ab | Distributed antenna systems for multi-operator networks |
US10367594B2 (en) | 2017-06-07 | 2019-07-30 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Method and apparatus for fine timing offset estimation |
US10447509B1 (en) * | 2018-08-23 | 2019-10-15 | Credo Technology Group Limited | Precompensator-based quantization for clock recovery |
KR20200032807A (ko) * | 2018-09-18 | 2020-03-27 | 삼성디스플레이 주식회사 | 수신기 및 이를 포함하는 송수신기 |
US10805023B2 (en) * | 2019-03-06 | 2020-10-13 | Pc-Tel, Inc. | Systems and methods for measuring wireless signal quality |
US10796555B1 (en) | 2019-04-01 | 2020-10-06 | The Boeing Company | Proximity detection in assembly environments having machinery |
CN111194077B (zh) * | 2019-12-17 | 2021-09-14 | 北京航空航天大学杭州创新研究院 | 一种低采样率下的定时同步方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5566213A (en) * | 1995-03-09 | 1996-10-15 | Motorola, Inc. | Selective call receiving device with improved symbol decoding and automatic frequency control |
WO1999027671A1 (en) * | 1997-11-25 | 1999-06-03 | Samsung Electronics Co., Ltd. | Orthogonal frequency division multiplexing receiver where fft window position recovery interlocks with sampling clock adjustment and method thereof |
US6501810B1 (en) * | 1998-10-13 | 2002-12-31 | Agere Systems Inc. | Fast frame synchronization |
CN101188818A (zh) * | 2006-11-16 | 2008-05-28 | 华为技术有限公司 | 基站、基站中基带信号处理方法及无线通信系统 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU8684098A (en) * | 1997-07-31 | 1999-02-22 | Sapphire Communications, Inc. | Means and method for a synchronous network communications system |
CN1302502A (zh) * | 1998-05-22 | 2001-07-04 | 家庭无线网络公司 | 用于pstn用户的通信万维网 |
JP2000049877A (ja) * | 1998-07-24 | 2000-02-18 | Nippon Telegr & Teleph Corp <Ntt> | クロックタイミング再生回路 |
US6512928B1 (en) * | 1999-03-09 | 2003-01-28 | Trimble Navigation Limited | Slow hopping data transmitter |
US6347127B1 (en) | 1999-05-10 | 2002-02-12 | Motorola, Inc. | Method and apparatus for multi-symbol matched filter estimation of an evaluation symbol in a received signal having a predictable inter-symbol interference |
US6625233B1 (en) | 1999-09-29 | 2003-09-23 | Motorola, Inc. | Method and apparatus in a wireless receiver for demodulating a continuous-phase frequency-shift-keyed signal |
US7103115B2 (en) | 2001-05-21 | 2006-09-05 | At&T Corp. | Optimum training sequences for wireless systems |
US6912244B2 (en) * | 2002-01-31 | 2005-06-28 | Qualcomm Inc. | Pilot frequency acquisition based on a window of data samples |
US6795510B2 (en) | 2002-04-12 | 2004-09-21 | Thomson Licensing S.A. | Apparatus and method for symbol timing recovery |
US7403584B2 (en) | 2003-12-31 | 2008-07-22 | Intel Corporation | Programmable phase interpolator adjustment for ideal data eye sampling |
US7038602B1 (en) * | 2004-10-30 | 2006-05-02 | Agilent Technologies, Inc. | Method for correcting periodic sampling errors |
KR100787568B1 (ko) | 2005-01-07 | 2007-12-21 | 포스데이타 주식회사 | 높은 대역 효율의 고차 변조 시스템을 위한 심볼 타이밍동기 검출 장치 및 검출 방법 |
JP2006245788A (ja) * | 2005-03-01 | 2006-09-14 | Fujitsu Ltd | シンボル同期方法及び装置 |
US7664144B2 (en) | 2006-12-21 | 2010-02-16 | Edgewater Computer Systems, Inc. | Packet-switched network synchronization system and method |
-
2008
- 2008-12-26 US US12/344,398 patent/US8199702B2/en not_active Expired - Fee Related
-
2009
- 2009-11-19 KR KR1020117014733A patent/KR101585285B1/ko active IP Right Grant
- 2009-11-19 CA CA2746828A patent/CA2746828C/en not_active Expired - Fee Related
- 2009-11-19 JP JP2011542635A patent/JP5421389B2/ja not_active Expired - Fee Related
- 2009-11-19 BR BRPI0923726A patent/BRPI0923726A2/pt not_active Application Discontinuation
- 2009-11-19 CN CN200980152341.8A patent/CN102265667B/zh not_active Expired - Fee Related
- 2009-11-19 RU RU2011120056/07A patent/RU2518204C2/ru active
- 2009-11-19 EP EP09833962A patent/EP2371160A4/en not_active Withdrawn
- 2009-11-19 WO PCT/CA2009/001673 patent/WO2010071977A1/en active Application Filing
-
2012
- 2012-05-02 US US13/461,886 patent/US8576782B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5566213A (en) * | 1995-03-09 | 1996-10-15 | Motorola, Inc. | Selective call receiving device with improved symbol decoding and automatic frequency control |
WO1999027671A1 (en) * | 1997-11-25 | 1999-06-03 | Samsung Electronics Co., Ltd. | Orthogonal frequency division multiplexing receiver where fft window position recovery interlocks with sampling clock adjustment and method thereof |
US6501810B1 (en) * | 1998-10-13 | 2002-12-31 | Agere Systems Inc. | Fast frame synchronization |
CN101188818A (zh) * | 2006-11-16 | 2008-05-28 | 华为技术有限公司 | 基站、基站中基带信号处理方法及无线通信系统 |
Non-Patent Citations (2)
Title |
---|
Woo-Jin Song,Sang-Soo Oak,Jae-Cheon Lee,Ki-Ryong Yoon."a decision-directed symbol timing recovery circuit for ATSC digital TV receivers".《IEEE TRANSACTIONS ON CONSUMER ELECTRONICS》.1999,第45卷(第3期),539页右栏第4-5段,541页左栏第二段,最后一段,附图1,5-6. |
Woo-Jin Song,Sang-Soo Oak,Jae-Cheon Lee,Ki-Ryong Yoon."a decision-directed symbol timing recovery circuit for ATSC digital TV receivers".《IEEE TRANSACTIONS ON CONSUMER ELECTRONICS》.1999,第45卷(第3期),539页右栏第4-5段,541页左栏第二段,最后一段,附图1,5-6. * |
Also Published As
Publication number | Publication date |
---|---|
CA2746828C (en) | 2018-08-28 |
US20100165915A1 (en) | 2010-07-01 |
CN102265667A (zh) | 2011-11-30 |
EP2371160A1 (en) | 2011-10-05 |
US20120213257A1 (en) | 2012-08-23 |
KR20110108335A (ko) | 2011-10-05 |
US8199702B2 (en) | 2012-06-12 |
KR101585285B1 (ko) | 2016-01-13 |
JP2012514352A (ja) | 2012-06-21 |
US8576782B2 (en) | 2013-11-05 |
CA2746828A1 (en) | 2010-07-01 |
RU2011120056A (ru) | 2013-02-10 |
WO2010071977A1 (en) | 2010-07-01 |
JP5421389B2 (ja) | 2014-02-19 |
RU2518204C2 (ru) | 2014-06-10 |
EP2371160A4 (en) | 2012-11-14 |
BRPI0923726A2 (pt) | 2016-01-19 |
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Owner name: YANXING BIDEKE CO., LTD. Free format text: FORMER OWNER: NORTEL NETWORKS LTD (CA) Effective date: 20130425 Owner name: APPLE COMPUTER, INC. Free format text: FORMER OWNER: YANXING BIDEKE CO., LTD. Effective date: 20130425 |
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Effective date of registration: 20130425 Address after: American California Applicant after: APPLE Inc. Address before: American New York Applicant before: NORTEL NETWORKS LTD. Effective date of registration: 20130425 Address after: American New York Applicant after: NORTEL NETWORKS LTD. Address before: Quebec Applicant before: NORTEL NETWORKS Ltd. |
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