CN1849522A - 获得接收的扩频信号的方法 - Google Patents
获得接收的扩频信号的方法 Download PDFInfo
- Publication number
- CN1849522A CN1849522A CNA2004800258291A CN200480025829A CN1849522A CN 1849522 A CN1849522 A CN 1849522A CN A2004800258291 A CNA2004800258291 A CN A2004800258291A CN 200480025829 A CN200480025829 A CN 200480025829A CN 1849522 A CN1849522 A CN 1849522A
- Authority
- CN
- China
- Prior art keywords
- receiver
- segmentations
- signal
- time cycle
- segmentation
- 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.)
- Granted
Links
- 238000001228 spectrum Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000001413 cellular effect Effects 0.000 claims abstract description 10
- 230000011218 segmentation Effects 0.000 claims description 44
- 230000010267 cellular communication Effects 0.000 claims description 8
- 230000001052 transient effect Effects 0.000 claims description 3
- 239000012634 fragment Substances 0.000 abstract 2
- 230000006854 communication Effects 0.000 description 12
- 238000004891 communication Methods 0.000 description 12
- 230000000875 corresponding effect Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 208000000044 Amnesia Diseases 0.000 description 1
- 208000026139 Memory disease Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006984 memory degeneration Effects 0.000 description 1
- 208000023060 memory loss Diseases 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
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
- H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
-
- 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
- H04B1/709—Correlator structure
-
- 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
- H04B1/7097—Interference-related aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radio Relay Systems (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0320993.9A GB0320993D0 (en) | 2003-09-09 | 2003-09-09 | A method of acquiring a received spread spectrum signal |
GB0320993.9 | 2003-09-09 | ||
PCT/IB2004/051693 WO2005024453A1 (en) | 2003-09-09 | 2004-09-06 | A method of acquiring a received spread spectrum signal |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1849522A true CN1849522A (zh) | 2006-10-18 |
CN1849522B CN1849522B (zh) | 2011-03-30 |
Family
ID=29226689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2004800258291A Expired - Fee Related CN1849522B (zh) | 2003-09-09 | 2004-09-06 | 获得接收的扩频信号的方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7545853B2 (zh) |
EP (1) | EP1664828A1 (zh) |
JP (1) | JP4668194B2 (zh) |
KR (1) | KR101088553B1 (zh) |
CN (1) | CN1849522B (zh) |
GB (1) | GB0320993D0 (zh) |
TW (1) | TW200519397A (zh) |
WO (1) | WO2005024453A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102323601A (zh) * | 2011-05-27 | 2012-01-18 | 哈尔滨工程大学 | 一种gnss-boc调制信号的捕获方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2084818B1 (en) | 2006-11-14 | 2017-03-22 | Nxp B.V. | A method of acquiring a received spread spectrum signal |
GB0801523D0 (en) * | 2008-01-28 | 2008-03-05 | Cambridge Silicon Radio Ltd | Integrated signal receiver |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5151919A (en) * | 1990-12-17 | 1992-09-29 | Ericsson-Ge Mobile Communications Holding Inc. | Cdma subtractive demodulation |
KR0147862B1 (ko) * | 1994-08-25 | 1998-09-15 | 김광호 | 다중모드 모니터의 자동 빔전류 조성회로 및 그 방법 |
US5874914A (en) * | 1995-10-09 | 1999-02-23 | Snaptrack, Inc. | GPS receiver utilizing a communication link |
EP0895599B1 (en) * | 1996-04-25 | 2002-08-07 | Sirf Technology, Inc. | Spread spectrum receiver with multi-bit correlator |
US5905765A (en) * | 1996-09-27 | 1999-05-18 | Rockwell International | Method of processing error-control coded, frequency-hopped communication signals |
US6606346B2 (en) * | 2001-05-18 | 2003-08-12 | Global Locate, Inc. | Method and apparatus for computing signal correlation |
US7085246B1 (en) * | 1999-05-19 | 2006-08-01 | Motorola, Inc. | Method and apparatus for acquisition of a spread-spectrum signal |
JP3399414B2 (ja) * | 1999-09-14 | 2003-04-21 | 日本電気株式会社 | 送受信回路及びそれを用いた移動通信端末装置並びにその制御方法及びその制御プログラム記録媒体 |
GB0004371D0 (en) * | 2000-02-24 | 2000-04-12 | Koninkl Philips Electronics Nv | GPS receiver and mobile unit incorporating the same |
GB0011761D0 (en) * | 2000-05-16 | 2000-07-05 | Koninkl Philips Electronics Nv | A method of despreading a spread spectrum signal |
US6771688B1 (en) * | 2000-09-19 | 2004-08-03 | Lucent Technologies Inc. | Segmented architecture for multiple sequence detection and identification in fading channels |
US6819707B2 (en) | 2001-05-18 | 2004-11-16 | Global Locate, Inc. | Method and apparatus for performing signal correlation using historical correlation data |
JP4225706B2 (ja) * | 2001-06-07 | 2009-02-18 | 三洋電機株式会社 | 移動通信端末における間欠受信方法 |
US7061912B1 (en) * | 2002-01-17 | 2006-06-13 | Microtune (San Diego) , Inc. | Method and apparatus of packet loss concealment for CVSD coders |
US7411985B2 (en) * | 2003-03-21 | 2008-08-12 | Lucent Technologies Inc. | Low-complexity packet loss concealment method for voice-over-IP speech transmission |
-
2003
- 2003-09-09 GB GBGB0320993.9A patent/GB0320993D0/en not_active Ceased
-
2004
- 2004-09-06 WO PCT/IB2004/051693 patent/WO2005024453A1/en active Application Filing
- 2004-09-06 EP EP04769943A patent/EP1664828A1/en not_active Withdrawn
- 2004-09-06 TW TW093126883A patent/TW200519397A/zh unknown
- 2004-09-06 US US10/570,446 patent/US7545853B2/en active Active
- 2004-09-06 CN CN2004800258291A patent/CN1849522B/zh not_active Expired - Fee Related
- 2004-09-06 KR KR1020067004777A patent/KR101088553B1/ko active IP Right Grant
- 2004-09-06 JP JP2006525257A patent/JP4668194B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102323601A (zh) * | 2011-05-27 | 2012-01-18 | 哈尔滨工程大学 | 一种gnss-boc调制信号的捕获方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1664828A1 (en) | 2006-06-07 |
KR101088553B1 (ko) | 2011-12-05 |
KR20060071416A (ko) | 2006-06-26 |
TW200519397A (en) | 2005-06-16 |
US7545853B2 (en) | 2009-06-09 |
CN1849522B (zh) | 2011-03-30 |
GB0320993D0 (en) | 2003-10-08 |
WO2005024453A1 (en) | 2005-03-17 |
US20070019713A1 (en) | 2007-01-25 |
JP4668194B2 (ja) | 2011-04-13 |
JP2007505519A (ja) | 2007-03-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5671221A (en) | Receiving method and apparatus for use in a spread-spectrum communication system | |
CN1173485C (zh) | 使用从扩频信号特性知识中得到的加权因子的瑞克合成方法和设备 | |
KR100363668B1 (ko) | 확산 스펙트럼 통신 시스템 내에서의 이동국의 동기화 | |
US5894500A (en) | Method and apparatus for canceling signals in a spread-spectrum communication system | |
BR0013123A (pt) | Método de processamento de banda de base com base em antena inteligente e cancelamento de interferência | |
US20080075150A1 (en) | Reverse link correlation filter in wireless communication systems | |
JP2001520473A (ja) | マルチユーザ通信システムにおけるマルチレイヤードpnコード拡散 | |
EP1206044A3 (en) | Matched filter and correlation detection method | |
JP2002518960A (ja) | 基地局同期とセクタ識別の高速化を実現するための方法、装置及びシステム | |
EP0848503A3 (en) | CDMA chip synchronization circuit | |
MXPA02001465A (es) | Metodo de cancelacion de interferencia con base en una antena inteligente. | |
DE60042269D1 (de) | Kanalschätzung in einem drahtlosen cdma-kommunikationssystem | |
EP0987913A3 (en) | Spread spectrum cdma transmitter | |
RU2005129118A (ru) | Канальная оценка многолучевого сигнала мдкр в приемнике | |
CN100481745C (zh) | 解扩扩频信号的方法 | |
EP1304815A3 (en) | A code division multiple access downlink receiver | |
ATE231243T1 (de) | Positionsbestimmung mit geringem speicherplatz | |
CN1849522B (zh) | 获得接收的扩频信号的方法 | |
EP0932262A3 (en) | Signal reception apparatus for DS-CDMA cellular system | |
US7292556B2 (en) | CDMA radio device and simple path estimating method employed therefor | |
EP1278386A3 (en) | CDMA wireless system and interference wave suppressing method therein | |
KR20010031524A (ko) | 동기 포착 장치 및 동기 포착 방법 | |
EP1737139A3 (en) | Multiple channel joint decoding at mobile handset | |
US6539032B2 (en) | Methods for synchronizing between a base station and a mobile station in a cell-based mobile communications system | |
WO2000049720A3 (en) | Method for synchronization in a spread spectrum receiver |
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 |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20071012 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20071012 Address after: Holland Ian Deho Finn Applicant after: NXP B.V. Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: DESAILA ADVANCED TECHNOLOGY COMPANY Free format text: FORMER OWNER: KONINKL PHILIPS ELECTRONICS NV Effective date: 20150429 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150429 Address after: California, USA Patentee after: Desella Advanced Technology Co. Address before: Holland Ian Deho Finn Patentee before: NXP B.V. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20210906 |
|
CF01 | Termination of patent right due to non-payment of annual fee |