FI960691A - Menetelmä ja laite koodatun viestintäsignaalin tunnistamiseksi - Google Patents
Menetelmä ja laite koodatun viestintäsignaalin tunnistamiseksi Download PDFInfo
- Publication number
- FI960691A FI960691A FI960691A FI960691A FI960691A FI 960691 A FI960691 A FI 960691A FI 960691 A FI960691 A FI 960691A FI 960691 A FI960691 A FI 960691A FI 960691 A FI960691 A FI 960691A
- Authority
- FI
- Finland
- Prior art keywords
- identifying
- communication signal
- coded communication
- coded
- signal
- Prior art date
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
- H04B1/709—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
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
-
- 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
- H04B1/70755—Setting of lock conditions, e.g. threshold
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/269,403 US5530716A (en) | 1994-06-30 | 1994-06-30 | Method and apparatus for identifying a coded communication signal |
US26940394 | 1994-06-30 | ||
US9505373 | 1995-05-01 | ||
PCT/US1995/005373 WO1996001012A1 (en) | 1994-06-30 | 1995-05-01 | A method and apparatus for identifying a coded communication signal |
Publications (3)
Publication Number | Publication Date |
---|---|
FI960691A0 FI960691A0 (fi) | 1996-02-15 |
FI960691A true FI960691A (fi) | 1996-02-15 |
FI119614B FI119614B (fi) | 2009-01-15 |
Family
ID=23027095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI960691A FI119614B (fi) | 1994-06-30 | 1996-02-15 | Menetelmä ja laite koodatun viestintäsignaalin tunnistamiseksi |
Country Status (9)
Country | Link |
---|---|
US (1) | US5530716A (fi) |
EP (1) | EP0720794B1 (fi) |
JP (1) | JP3786422B2 (fi) |
KR (1) | KR0173414B1 (fi) |
CN (1) | CN1087527C (fi) |
BR (1) | BR9506022A (fi) |
CA (1) | CA2167709A1 (fi) |
FI (1) | FI119614B (fi) |
WO (1) | WO1996001012A1 (fi) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5629934A (en) * | 1995-06-30 | 1997-05-13 | Motorola, Inc. | Power control for CDMA communication systems |
US5987076A (en) * | 1996-07-29 | 1999-11-16 | Qualcomm Inc. | Coherent signal processing for CDMA communication system |
US5881058A (en) * | 1996-11-25 | 1999-03-09 | Motorola, Inc. | Method for performing a signal search in a wireless communication system |
US5910944A (en) * | 1997-02-28 | 1999-06-08 | Motorola, Inc. | Radio telephone and method for operating a radiotelephone in slotted paging mode |
US5917866A (en) * | 1997-04-04 | 1999-06-29 | Trimble Navigation Limited | Code multipath estimation for weighted or modified tracking using weighted or modified correlations |
KR100229042B1 (ko) * | 1997-04-26 | 1999-11-01 | 윤종용 | 하드웨어소모 감소 및 탐색성능이 향상된 레이크 수신기 |
US6707842B2 (en) | 1997-10-22 | 2004-03-16 | Via Telecom Co., Ltd. | Accelerated base station searching by buffering samples |
US6064691A (en) * | 1997-10-22 | 2000-05-16 | Lsi Logic Corporation | Method and apparatus for acquisition of the strongest pilot signal |
JP3856261B2 (ja) * | 1998-03-18 | 2006-12-13 | ソニー株式会社 | 同期検出装置 |
US6526029B1 (en) * | 1998-04-24 | 2003-02-25 | Lucent Technologies Inc. | Search scheme for receivers in mobile communication systems |
JPH11331036A (ja) * | 1998-05-13 | 1999-11-30 | Hitachi Ltd | 符号分割接続方式移動通信システム及び該システムで用いるスロットタイミング同定方法と移動端末 |
DE19832850A1 (de) * | 1998-07-21 | 2000-02-10 | Siemens Ag | Akquisitionsverfahren und Vorrichtung zur Durchführung des Verfahrens |
US6125137A (en) * | 1998-09-11 | 2000-09-26 | Motorola, Inc. | Apparatus and method for performing a signal search in a coherent wireless communication system |
US6108324A (en) * | 1998-09-22 | 2000-08-22 | Motorola, Inc. | Apparatus and method for performing a signal search in a wireless communication system |
US6438182B1 (en) | 1999-03-02 | 2002-08-20 | Harris Corporation | Correlator with serial-parallel partition |
US6493405B1 (en) | 1999-03-02 | 2002-12-10 | Harris Corporation | Correlator having enhanced memory for reference and input data |
US6038271A (en) * | 1999-03-02 | 2000-03-14 | Harris Corporation | Correlator with cascade data paths to facilitate expansion of correlator length |
US6567390B1 (en) | 1999-03-29 | 2003-05-20 | Lsi Logic Corporation | Accelerated message decoding |
TW463481B (en) | 1999-04-28 | 2001-11-11 | Fujitsu Ltd | Cell search method, communication synchronization apparatus, portable terminal apparatus, and recording medium |
US6683924B1 (en) * | 1999-10-19 | 2004-01-27 | Ericsson Inc. | Apparatus and methods for selective correlation timing in rake receivers |
AU3338800A (en) * | 1999-12-17 | 2001-06-25 | Nortel Networks Limited | Methods and apparatus for signal searching using correlation |
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 |
SE0003289D0 (sv) * | 2000-05-18 | 2000-09-15 | Ericsson Telefon Ab L M | Radio receiver and channel estimator |
KR100436296B1 (ko) * | 2000-10-06 | 2004-06-18 | 주식회사 에이로직스 | 신호 획득을 위한 프리앰블 서치장치 및 그 방법 |
US6985516B1 (en) | 2000-11-27 | 2006-01-10 | Qualcomm Incorporated | Method and apparatus for processing a received signal in a communications system |
US7769078B2 (en) * | 2000-12-22 | 2010-08-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Apparatus, methods and computer program products for delay selection in a spread-spectrum receiver |
KR100364358B1 (ko) * | 2000-12-29 | 2002-12-11 | 엘지전자 주식회사 | 비동기 이동 통신 시스템의 멀티 피크 검출장치 |
KR20020084464A (ko) * | 2001-05-02 | 2002-11-09 | 엘지전자 주식회사 | Cdma 복조 시스템 |
US20080171517A1 (en) * | 2006-12-29 | 2008-07-17 | Isaac Ali | Radio signal analysis |
US9300355B2 (en) | 2012-09-24 | 2016-03-29 | Kyynel Oy | Fast automated radio link establishment |
CN108924045B (zh) * | 2018-09-27 | 2021-11-23 | 深圳友讯达科技股份有限公司 | 双模通信网络信道衡量方法及系统 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3859515A (en) * | 1972-08-21 | 1975-01-07 | Burroughs Corp | Method and apparatus for signal spectrum analysis by hadamard transform |
US3956619A (en) * | 1975-03-31 | 1976-05-11 | General Electric Company | Pipeline walsh-hadamard transformations |
JPS5737925A (en) * | 1980-08-14 | 1982-03-02 | Matsushita Electric Ind Co Ltd | High-speed hadamard converter |
US4901307A (en) * | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
US5109390A (en) * | 1989-11-07 | 1992-04-28 | Qualcomm Incorporated | Diversity receiver in a cdma cellular telephone system |
US5101501A (en) * | 1989-11-07 | 1992-03-31 | Qualcomm Incorporated | Method and system for providing a soft handoff in communications in a cdma cellular telephone system |
US5056109A (en) * | 1989-11-07 | 1991-10-08 | Qualcomm, Inc. | Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system |
US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US5099204A (en) * | 1990-10-15 | 1992-03-24 | Qualcomm Incorporated | Linear gain control amplifier |
US5107225A (en) * | 1990-11-30 | 1992-04-21 | Qualcomm Incorporated | High dynamic range closed loop automatic gain control circuit |
US5293434A (en) * | 1991-04-10 | 1994-03-08 | International Business Machines Corporation | Technique for use in a transform coder for imparting robustness to compressed image data through use of global block transformations |
US5239555A (en) * | 1991-11-04 | 1993-08-24 | The United States Of America As Represented By The Secretary Of The Army | Frequency hopping signal interceptor |
US5305345A (en) * | 1992-09-25 | 1994-04-19 | The United States Of America As Represented By The United States Department Of Energy | Zigzag laser with reduced optical distortion |
US5313491A (en) * | 1992-12-31 | 1994-05-17 | Gte Government Systems Corporation | Acquisition method for DSSS communications |
US5349606A (en) * | 1992-12-31 | 1994-09-20 | Gte Government Systems Corporation | Apparatus for multipath DSSS communications |
US5305349A (en) * | 1993-04-29 | 1994-04-19 | Ericsson Ge Mobile Communications Inc. | Quantized coherent rake receiver |
US5353300A (en) * | 1993-06-07 | 1994-10-04 | Motorola, Inc. | Communication method for an adaptive direct sequence CDMA communication system |
US5363404A (en) * | 1993-07-13 | 1994-11-08 | Motorola Inc. | Apparatus and method for conveying information in a communication network |
US5377225A (en) * | 1993-10-19 | 1994-12-27 | Hughes Aircraft Company | Multiple-access noise rejection filter for a DS-CDMA system |
-
1994
- 1994-06-30 US US08/269,403 patent/US5530716A/en not_active Expired - Lifetime
-
1995
- 1995-05-01 WO PCT/US1995/005373 patent/WO1996001012A1/en active IP Right Grant
- 1995-05-01 CN CN95190592A patent/CN1087527C/zh not_active Expired - Lifetime
- 1995-05-01 CA CA002167709A patent/CA2167709A1/en not_active Abandoned
- 1995-05-01 KR KR1019960701004A patent/KR0173414B1/ko not_active IP Right Cessation
- 1995-05-01 EP EP95918341A patent/EP0720794B1/en not_active Expired - Lifetime
- 1995-05-01 JP JP50312096A patent/JP3786422B2/ja not_active Expired - Lifetime
- 1995-05-01 BR BR9506022A patent/BR9506022A/pt not_active IP Right Cessation
-
1996
- 1996-02-15 FI FI960691A patent/FI119614B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1087527C (zh) | 2002-07-10 |
FI119614B (fi) | 2009-01-15 |
EP0720794B1 (en) | 2007-08-15 |
CN1130003A (zh) | 1996-08-28 |
KR0173414B1 (ko) | 1999-04-01 |
FI960691A0 (fi) | 1996-02-15 |
BR9506022A (pt) | 1997-10-14 |
JP3786422B2 (ja) | 2006-06-14 |
US5530716A (en) | 1996-06-25 |
EP0720794A1 (en) | 1996-07-10 |
WO1996001012A1 (en) | 1996-01-11 |
JPH09502593A (ja) | 1997-03-11 |
EP0720794A4 (en) | 2000-03-01 |
KR960705415A (ko) | 1996-10-09 |
CA2167709A1 (en) | 1996-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
Ref document number: 119614 Country of ref document: FI |
|
PC | Transfer of assignment of patent |
Owner name: MOTOROLA MOBILITY, INC. Free format text: MOTOROLA MOBILITY, INC. |
|
MA | Patent expired |