CN101595673B - 窄带接收机 - Google Patents
窄带接收机 Download PDFInfo
- Publication number
- CN101595673B CN101595673B CN200780044522.XA CN200780044522A CN101595673B CN 101595673 B CN101595673 B CN 101595673B CN 200780044522 A CN200780044522 A CN 200780044522A CN 101595673 B CN101595673 B CN 101595673B
- Authority
- CN
- China
- Prior art keywords
- data
- frequency band
- sequence
- ray
- signal
- 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 - Fee Related
Links
Images
Classifications
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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
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/042—Detectors therefor, e.g. correlators, state machines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0602—Systems characterised by the synchronising information used
- H04J3/0605—Special codes used as synchronising signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/16—Frequency regulation arrangements
-
- 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
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2657—Carrier synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0046—Open loops
- H04L2027/0048—Frequency multiplication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0063—Elements of loops
- H04L2027/0065—Frequency error detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0083—Signalling arrangements
- H04L2027/0089—In-band signals
- H04L2027/0093—Intermittant signals
- H04L2027/0095—Intermittant signals in a preamble or similar structure
-
- 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
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0624016A GB2444307A (en) | 2006-12-01 | 2006-12-01 | Extracting timing data from a two part preamble, the second part of the preamble being the inverse of the first part. |
GB0624016.2 | 2006-12-01 | ||
PCT/GB2007/004602 WO2008065419A1 (en) | 2006-12-01 | 2007-11-30 | Narrow band receiver |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110457090.3A Division CN102412958B (zh) | 2006-12-01 | 2007-11-30 | 窄带接收机 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101595673A CN101595673A (zh) | 2009-12-02 |
CN101595673B true CN101595673B (zh) | 2014-05-28 |
Family
ID=37671677
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200780044522.XA Expired - Fee Related CN101595673B (zh) | 2006-12-01 | 2007-11-30 | 窄带接收机 |
CN201110457090.3A Expired - Fee Related CN102412958B (zh) | 2006-12-01 | 2007-11-30 | 窄带接收机 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110457090.3A Expired - Fee Related CN102412958B (zh) | 2006-12-01 | 2007-11-30 | 窄带接收机 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8184748B2 (zh) |
EP (2) | EP3119030B1 (zh) |
CN (2) | CN101595673B (zh) |
CA (1) | CA2670968C (zh) |
GB (1) | GB2444307A (zh) |
WO (1) | WO2008065419A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5712698B2 (ja) * | 2011-03-11 | 2015-05-07 | ソニー株式会社 | 信号処理装置、信号処理方法、並びにプログラム |
EP2712209B1 (en) * | 2012-09-21 | 2021-01-13 | Dialog Semiconductor BV | Method and apparatus for computing metric values for loudspeaker protection |
US8855246B2 (en) * | 2013-03-06 | 2014-10-07 | Qualcomm Incorporated | Demodulating a data packet based on a detected sync word |
US9276619B1 (en) * | 2014-12-08 | 2016-03-01 | MagnaCom Ltd. | Dynamic configuration of modulation and demodulation |
EP3591852B1 (en) * | 2018-07-02 | 2022-01-12 | Semtech Corporation | Collision mitigation in low-power, frequency-hopping, wide-area network |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1268007A (zh) * | 1999-02-24 | 2000-09-27 | 索尼国际(欧洲)股份有限公司 | 用于数字电信系统的接收装置和同步方法 |
CN1346560A (zh) * | 1999-03-26 | 2002-04-24 | 艾利森电话股份有限公司 | 用于通信系统中有效同步的方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2756923C2 (de) * | 1977-12-21 | 1983-12-08 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zur Daten- und Nachrichtenübertragung |
FR2445079A1 (fr) * | 1978-12-20 | 1980-07-18 | Ibm France | Procede et dispositif pour detecter une sequence pseudo-aleatoire de changements de phase de 0o et 180o de la porteuse dans un recepteur de donnees |
US5212808A (en) * | 1991-11-08 | 1993-05-18 | Teknekron Communications Systems, Inc. | Method and an apparatus for re-establishing wireless communication between a base unit and a remote unit |
GB2276797B (en) * | 1993-04-02 | 1996-10-23 | Northern Telecom Ltd | Digital demodulation |
CN1199492A (zh) * | 1996-09-02 | 1998-11-18 | 菲利浦电子有限公司 | 用于从传输信道得到数据的快速获取方法和实现该方法的数据接收机 |
JP2955576B1 (ja) * | 1998-08-28 | 1999-10-04 | 株式会社東芝 | ディジタル通信システムとその送信装置および受信装置、ならびにフレーム同期検出回路 |
KR100555721B1 (ko) * | 2001-08-20 | 2006-03-03 | 삼성전자주식회사 | 대칭형 프리앰블 생성방법 및 대칭형 프리앰블을 적용한오에프디엠 신호의 심볼/주파수 동기 방법 |
US6957056B2 (en) * | 2002-03-28 | 2005-10-18 | Motorola, Inc. | Receiver and method for determining an intermediate frequency in a wireless communication device |
US7106814B2 (en) * | 2003-04-30 | 2006-09-12 | Motorola, Inc. | Method and wireless device employing a preamble to initiate communications |
US7499504B2 (en) * | 2005-05-04 | 2009-03-03 | Intel Corporation | Method for determining multiple-input multiple-output (MIMO) channel coefficient using polarity-inverted training signals in an orthogonal frequency division multiplexed (OFDM) multicarrier system |
-
2006
- 2006-12-01 GB GB0624016A patent/GB2444307A/en not_active Withdrawn
-
2007
- 2007-11-30 CN CN200780044522.XA patent/CN101595673B/zh not_active Expired - Fee Related
- 2007-11-30 CA CA2670968A patent/CA2670968C/en not_active Expired - Fee Related
- 2007-11-30 EP EP16182849.6A patent/EP3119030B1/en active Active
- 2007-11-30 WO PCT/GB2007/004602 patent/WO2008065419A1/en active Application Filing
- 2007-11-30 CN CN201110457090.3A patent/CN102412958B/zh not_active Expired - Fee Related
- 2007-11-30 EP EP07858768.0A patent/EP2090015B1/en active Active
-
2009
- 2009-05-29 US US12/474,814 patent/US8184748B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1268007A (zh) * | 1999-02-24 | 2000-09-27 | 索尼国际(欧洲)股份有限公司 | 用于数字电信系统的接收装置和同步方法 |
CN1346560A (zh) * | 1999-03-26 | 2002-04-24 | 艾利森电话股份有限公司 | 用于通信系统中有效同步的方法 |
Also Published As
Publication number | Publication date |
---|---|
GB0624016D0 (en) | 2007-01-10 |
EP3119030A1 (en) | 2017-01-18 |
CN102412958A (zh) | 2012-04-11 |
WO2008065419A1 (en) | 2008-06-05 |
EP3119030B1 (en) | 2018-03-21 |
EP2090015A1 (en) | 2009-08-19 |
CA2670968A1 (en) | 2008-06-05 |
CN101595673A (zh) | 2009-12-02 |
CN102412958B (zh) | 2014-09-17 |
GB2444307A (en) | 2008-06-04 |
US20090304127A1 (en) | 2009-12-10 |
US8184748B2 (en) | 2012-05-22 |
EP2090015B1 (en) | 2018-01-31 |
CA2670968C (en) | 2016-01-26 |
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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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tanlesa Co.,Ltd. Assignor: Plextek Ltd. Contract record no.: 2011990000329 Denomination of invention: Method for acquiring rapid automatic gain control (AGC) response in narrow band receiver License type: Exclusive License Open date: 20091202 Record date: 20110503 |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160713 Address after: cambridge Patentee after: TELENSA HOLDINGS LTD. Address before: cambridge Patentee before: Price Taco Holdings Ltd. Effective date of registration: 20160713 Address after: cambridge Patentee after: Price Taco Holdings Ltd. Address before: Essex Patentee before: Plextek Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20201130 |