WO2008087819A1 - 信号処理部及び無線機 - Google Patents
信号処理部及び無線機 Download PDFInfo
- Publication number
- WO2008087819A1 WO2008087819A1 PCT/JP2007/074139 JP2007074139W WO2008087819A1 WO 2008087819 A1 WO2008087819 A1 WO 2008087819A1 JP 2007074139 W JP2007074139 W JP 2007074139W WO 2008087819 A1 WO2008087819 A1 WO 2008087819A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- unit
- carrier
- correlation
- correlation peak
- processing
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
- H04B1/70752—Partial correlation
-
- 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
- H04L27/0014—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
- H04L2027/0051—Harmonic tracking
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Transceivers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/382,157 US8204099B2 (en) | 2007-01-19 | 2009-03-10 | Signal processing unit and wireless communication device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-010654 | 2007-01-19 | ||
| JP2007010654A JP4224105B2 (ja) | 2007-01-19 | 2007-01-19 | 信号処理部及び無線機 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/382,157 Continuation US8204099B2 (en) | 2007-01-19 | 2009-03-10 | Signal processing unit and wireless communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008087819A1 true WO2008087819A1 (ja) | 2008-07-24 |
Family
ID=39635824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2007/074139 Ceased WO2008087819A1 (ja) | 2007-01-19 | 2007-12-14 | 信号処理部及び無線機 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8204099B2 (cg-RX-API-DMAC7.html) |
| JP (1) | JP4224105B2 (cg-RX-API-DMAC7.html) |
| WO (1) | WO2008087819A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4215168B2 (ja) * | 2007-01-19 | 2009-01-28 | 日本電波工業株式会社 | 信号処理部及び無線機 |
| WO2009107195A1 (ja) * | 2008-02-26 | 2009-09-03 | 富士通株式会社 | 無線基地局装置、周波数偏差検出方法及び移動体通信システム |
| GB0821615D0 (en) * | 2008-11-26 | 2008-12-31 | Cambridge Silicon Radio Ltd | Signal reception |
| GB2470758B (en) * | 2009-06-03 | 2014-08-20 | Sony Corp | Data processing apparatus and method |
| JP5299162B2 (ja) * | 2009-08-13 | 2013-09-25 | ソニー株式会社 | 受信装置、および受信方法 |
| JP5539289B2 (ja) * | 2011-10-31 | 2014-07-02 | 株式会社日立製作所 | 無線通信装置 |
| CN102833197B (zh) * | 2012-08-02 | 2015-02-25 | 奥维通信股份有限公司 | 一种针对wcdma的频偏校正系统及方法 |
| CN112929959B (zh) * | 2019-12-05 | 2022-05-13 | 广州慧睿思通科技股份有限公司 | 信号处理方法、装置、计算机设备和存储介质 |
| JPWO2024116349A1 (cg-RX-API-DMAC7.html) * | 2022-11-30 | 2024-06-06 | ||
| JP2026023055A (ja) * | 2024-07-31 | 2026-02-13 | 株式会社東芝 | 通信装置、制御方法、及びプログラム |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11196026A (ja) * | 1997-12-25 | 1999-07-21 | Ricoh Co Ltd | スペクトル拡散受信方法および装置 |
| JP2001308744A (ja) * | 2000-04-19 | 2001-11-02 | Nec Corp | 移動通信復調装置及びその復調方法並びにその制御プログラムを記録した記録媒体 |
| JP2002280974A (ja) * | 2001-03-21 | 2002-09-27 | Anritsu Corp | 電波サービスエリア評価装置 |
| JP2006246059A (ja) * | 2005-03-03 | 2006-09-14 | Nippon Dempa Kogyo Co Ltd | 微弱電力によるスペクトル拡散通信方法及びシステム、高周波無線機 |
| JP2006261985A (ja) * | 2005-03-16 | 2006-09-28 | Mitsubishi Electric Corp | スペクトル拡散通信用受信機 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH046924A (ja) * | 1990-04-24 | 1992-01-10 | Toyota Autom Loom Works Ltd | スペクトラム拡散通信同期回路 |
| JP2000115027A (ja) | 1998-08-07 | 2000-04-21 | Sekisui Chem Co Ltd | スペクトル拡散通信方法及び装置 |
| JP2001028556A (ja) * | 1999-07-13 | 2001-01-30 | Fujitsu Ten Ltd | スペクトラム拡散された信号の復調装置 |
| AU740804B2 (en) * | 1999-07-19 | 2001-11-15 | Nippon Telegraph & Telephone Corporation | OFDM packet communication receiver system |
| JP3438681B2 (ja) * | 1999-11-18 | 2003-08-18 | 日本電気株式会社 | Ds−cdma基地局間非同期セルラにおける初期同期方法 |
| JP2002290272A (ja) | 2001-03-23 | 2002-10-04 | Yrp Mobile Telecommunications Key Tech Res Lab Co Ltd | パス検出装置 |
| EP1255368A1 (en) * | 2001-04-30 | 2002-11-06 | Siemens Information and Communication Networks S.p.A. | Method to perform link adaptation in enhanced cellular communication systems with several modulation and coding schemes |
| US8139680B2 (en) * | 2007-01-12 | 2012-03-20 | General Dynamics C4 Systems, Inc. | Signal acquisition methods and apparatus in wireless communication systems |
| JP4215169B2 (ja) * | 2007-01-19 | 2009-01-28 | 日本電波工業株式会社 | 無線機 |
| JP4215168B2 (ja) * | 2007-01-19 | 2009-01-28 | 日本電波工業株式会社 | 信号処理部及び無線機 |
| US8401123B2 (en) * | 2009-07-28 | 2013-03-19 | Broadcom Corporation | Method and system for increasing the accuracy of frequency offset estimation in multiple frequency hypothesis testing in an E-UTRA/LTE UE receiver |
-
2007
- 2007-01-19 JP JP2007010654A patent/JP4224105B2/ja not_active Expired - Fee Related
- 2007-12-14 WO PCT/JP2007/074139 patent/WO2008087819A1/ja not_active Ceased
-
2009
- 2009-03-10 US US12/382,157 patent/US8204099B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11196026A (ja) * | 1997-12-25 | 1999-07-21 | Ricoh Co Ltd | スペクトル拡散受信方法および装置 |
| JP2001308744A (ja) * | 2000-04-19 | 2001-11-02 | Nec Corp | 移動通信復調装置及びその復調方法並びにその制御プログラムを記録した記録媒体 |
| JP2002280974A (ja) * | 2001-03-21 | 2002-09-27 | Anritsu Corp | 電波サービスエリア評価装置 |
| JP2006246059A (ja) * | 2005-03-03 | 2006-09-14 | Nippon Dempa Kogyo Co Ltd | 微弱電力によるスペクトル拡散通信方法及びシステム、高周波無線機 |
| JP2006261985A (ja) * | 2005-03-16 | 2006-09-28 | Mitsubishi Electric Corp | スペクトル拡散通信用受信機 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090180525A1 (en) | 2009-07-16 |
| JP4224105B2 (ja) | 2009-02-12 |
| US8204099B2 (en) | 2012-06-19 |
| JP2008177945A (ja) | 2008-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2006065323A3 (en) | Methods and systems for detecting noise in a position sensor using minor shifts in sensing frequency | |
| TW200733761A (en) | Mobile communication device with low power receiver for signal detection | |
| WO2009013495A3 (en) | Near field rf communicators | |
| WO2005076915A3 (en) | Methods and apparatuses for selectively disabling functionality of a device | |
| WO2008042134A3 (en) | Performing a coordinate rotation digital computer (cordic) operation for amplitude modulation (am) demodulation | |
| EP1355444A3 (en) | Clock recovery circuit and data receiving circuit | |
| WO2009053869A3 (en) | Method and mobile device for detecting highlights | |
| EP2287707A3 (en) | Apparatus and method for providing wireless communication and global positioning for a wireless computer mouse | |
| WO2006090337A3 (en) | Method and apparatus for synchronizing wireless receiver | |
| WO2004109315A3 (en) | Detection and reduction of periodic jamming signals in gps receivers and methods therefor | |
| WO2009065861A3 (en) | Device and method for signal detection in a tdma network | |
| WO2008138453A3 (de) | Verfahren und vorrichtung zur detektion von simultaner doppelaussendung von am-signalen | |
| EP2315350A3 (en) | Digital phase locked loop | |
| WO2009039161A3 (en) | Systems and methods for transparency mapping using multipath signals | |
| TW200644428A (en) | Bit synchronization detection methods and systems | |
| TW200637201A (en) | Detecting signals | |
| EP2326016A3 (en) | Narrow-band interference detector, signal receiver employing narrow-band interference detector and controlling demodulator parameter setting according to narrow-band interference detection result, and related methods therefor | |
| WO2008011606A3 (en) | False channel detection for wireless communication | |
| WO2008087820A1 (ja) | 無線機 | |
| TW200610285A (en) | Joint signal demodulation in a low and high data rate channel environment | |
| WO2008087818A1 (ja) | 信号処理部及び無線機 | |
| WO2007056662A3 (en) | System and method for detecting multipath effects in a gps receiver | |
| EP1696622A3 (en) | Method and system using preamble detection to demodulate a phase shift key carrier signal | |
| EP1763206A3 (en) | Method of improving the detection of opening and closing of a slide-type mobile communication terminal and an apparatus therefor | |
| TWI320642B (cg-RX-API-DMAC7.html) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07850643 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 07850643 Country of ref document: EP Kind code of ref document: A1 |