CN1107388C - 具有降低硅和电能需求的码元匹配滤波器 - Google Patents
具有降低硅和电能需求的码元匹配滤波器 Download PDFInfo
- Publication number
- CN1107388C CN1107388C CN97197160A CN97197160A CN1107388C CN 1107388 C CN1107388 C CN 1107388C CN 97197160 A CN97197160 A CN 97197160A CN 97197160 A CN97197160 A CN 97197160A CN 1107388 C CN1107388 C CN 1107388C
- Authority
- CN
- China
- Prior art keywords
- signal
- phase
- matched filter
- coupled
- sequence 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/0254—Matched filters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/701,440 US5715276A (en) | 1996-08-22 | 1996-08-22 | Symbol-matched filter having a low silicon and power requirement |
| US08/701,440 | 1996-08-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1227681A CN1227681A (zh) | 1999-09-01 |
| CN1107388C true CN1107388C (zh) | 2003-04-30 |
Family
ID=24817388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97197160A Expired - Fee Related CN1107388C (zh) | 1996-08-22 | 1997-08-20 | 具有降低硅和电能需求的码元匹配滤波器 |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US5715276A (enExample) |
| EP (1) | EP0920743B1 (enExample) |
| JP (1) | JP2000516421A (enExample) |
| KR (1) | KR100450838B1 (enExample) |
| CN (1) | CN1107388C (enExample) |
| AU (1) | AU4078697A (enExample) |
| CA (1) | CA2263676C (enExample) |
| DE (1) | DE69732908D1 (enExample) |
| TW (1) | TW367665B (enExample) |
| WO (1) | WO1998008313A1 (enExample) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5627855A (en) * | 1995-05-25 | 1997-05-06 | Golden Bridge Technology, Inc. | Programmable two-part matched filter for spread spectrum |
| DE782258T1 (de) * | 1995-12-26 | 1998-01-02 | Sharp Kk | Signalangepasstes Filter |
| US5950131A (en) * | 1996-10-29 | 1999-09-07 | Motorola, Inc. | Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone |
| US5956369A (en) * | 1997-02-24 | 1999-09-21 | Golden Bridge Technology, Inc. | Spread spectrum multipath combining subsystem and method |
| US6349110B1 (en) * | 1997-02-24 | 2002-02-19 | Golden Bridge Technology, Inc. | Subsystem and method for combining spread-spectrum multipath signals |
| US6154483A (en) * | 1997-04-07 | 2000-11-28 | Golden Bridge Technology, Inc. | Coherent detection using matched filter enhanced spread spectrum demodulation |
| US5894494A (en) * | 1997-10-29 | 1999-04-13 | Golden Bridge Technology, Inc. | Parallel correlator architecture for synchronizing direct sequence spread-spectrum signals |
| US6330292B1 (en) * | 1997-11-11 | 2001-12-11 | Telefonaktiebolaget Lm Ericsson | Reduced power matched filter |
| US6567483B1 (en) * | 1997-11-11 | 2003-05-20 | Ericsson, Inc. | Matched filter using time-multiplexed precombinations |
| US6130906A (en) * | 1998-05-22 | 2000-10-10 | Golden Bridge Technology, Inc. | Parallel code matched filter |
| SE9802109D0 (sv) * | 1998-06-12 | 1998-06-12 | Ericsson Telefon Ab L M | One-bit correlator rake receiver |
| US6304591B1 (en) | 1998-07-10 | 2001-10-16 | Aloha Networks, Inc. | Match filter architecture based upon parallel I/O |
| US7545854B1 (en) * | 1998-09-01 | 2009-06-09 | Sirf Technology, Inc. | Doppler corrected spread spectrum matched filter |
| US6823000B1 (en) * | 1999-02-26 | 2004-11-23 | Texas Instruments Incorporated | Method and apparatus for optimal dot product calculation |
| US6363108B1 (en) * | 1999-03-31 | 2002-03-26 | Qualcomm Inc. | Programmable matched filter searcher |
| JP3296341B2 (ja) * | 1999-09-20 | 2002-06-24 | 日本電気株式会社 | 相関器 |
| FI111579B (fi) | 1999-10-13 | 2003-08-15 | U Nav Microelectronics Corp | Hajaspektrivastaanotin |
| FI119011B (fi) * | 1999-10-13 | 2008-06-13 | U Nav Microelectronics Corp | Sovitettu suodatin ja hajaspektrivastaanotin |
| FI114887B (fi) | 1999-10-13 | 2005-01-14 | U Nav Microelectronics Corp | Hajaspektrivastaanottimen signaalinhakujärjestelmä |
| FI111578B (fi) | 1999-10-13 | 2003-08-15 | U Nav Microelectronics Corp | Korrelaattori |
| AU1123500A (en) * | 1999-10-18 | 2001-04-30 | Ephraim Mendelovicz | A digital correlator |
| US6760366B1 (en) | 1999-11-29 | 2004-07-06 | Qualcomm Incorporated | Method and apparatus for pilot search using a matched filter |
| JP3937380B2 (ja) * | 1999-12-14 | 2007-06-27 | 富士通株式会社 | パスサーチ回路 |
| US6480529B1 (en) * | 1999-12-21 | 2002-11-12 | Qualcomm, Incorporated | Programmable matched filter searcher for multiple pilot searching |
| JP2001251220A (ja) * | 1999-12-27 | 2001-09-14 | Sanyo Electric Co Ltd | デジタルマッチトフィルタおよびデジタルマッチトフィルタを用いた携帯無線端末 |
| US6842480B1 (en) | 2000-02-28 | 2005-01-11 | Golden Bridge Technology Incorporated | Programmable matched filter bank |
| US6839830B2 (en) * | 2000-03-01 | 2005-01-04 | Realtek Semiconductor Corporation | Logical pipeline for data communications system |
| US7103095B2 (en) * | 2000-03-06 | 2006-09-05 | Texas Instruments Incorporated | Spread spectrum code correlator |
| US6981180B1 (en) * | 2000-03-16 | 2005-12-27 | Akamai Technologies, Inc. | Method and apparatus for testing request-response service using live connection traffic |
| RU2158319C1 (ru) * | 2000-04-25 | 2000-10-27 | Институт металлургии и материаловедения им. А.А. Байкова РАН | Высокопрочная коррозионно- и износостойкая аустенитная сталь |
| US6801569B1 (en) | 2000-06-22 | 2004-10-05 | Golden Bridge Technology Inc. | Digital matched filter bank for othogonal signal set |
| US6771688B1 (en) | 2000-09-19 | 2004-08-03 | Lucent Technologies Inc. | Segmented architecture for multiple sequence detection and identification in fading channels |
| US7035315B2 (en) * | 2001-04-24 | 2006-04-25 | Lucent Technologies Inc. | Doppler corrected communications receiver and method of removing doppler frequency shift |
| US7209461B2 (en) * | 2001-05-09 | 2007-04-24 | Qualcomm Incorporated | Method and apparatus for chip-rate processing in a CDMA system |
| US7688919B1 (en) * | 2001-06-26 | 2010-03-30 | Altera Corporation | Parallel samples, parallel coefficients, time division multiplexing correlator architecture |
| GB2381714B (en) * | 2001-11-02 | 2004-07-07 | Toshiba Res Europ Ltd | Receiver processing system |
| US7194021B2 (en) * | 2002-04-15 | 2007-03-20 | Stmicroelectronics, Inc. | Digital matched filter |
| JP4237705B2 (ja) * | 2002-11-15 | 2009-03-11 | テレコム・イタリア・エッセ・ピー・アー | デジタル通信受信器のチャンネル評価のためのメモリベースのデバイス及び方法 |
| US20050069052A1 (en) * | 2003-09-30 | 2005-03-31 | David Carbonari | Ultra-wideband receiver |
| GB0714927D0 (en) * | 2007-08-01 | 2007-09-12 | Nokia Siemens Networks Oy | Resource allocation |
| CN101562592B (zh) * | 2009-05-22 | 2013-03-20 | 哈尔滨工业大学 | 基于存储单元的相位因子结合方法 |
| US20160291129A1 (en) * | 2015-02-09 | 2016-10-06 | The Regents Of The University Of Michigan | Current-Mode Matched Filter Architecture For Signal Acquisition |
| CN108344987B (zh) * | 2018-01-04 | 2022-06-14 | 中国人民解放军91388部队 | 多子阵合成孔径声纳频域函数基于数值计算的方法 |
| CN114566387B (zh) * | 2018-12-26 | 2025-03-21 | 株式会社村田制作所 | 电解电容器及其制造方法 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4044241A (en) * | 1972-01-12 | 1977-08-23 | Esl Incorporated | Adaptive matched digital filter |
| US4653069A (en) * | 1975-11-06 | 1987-03-24 | General Electric Company | Spread spectrum correlation receiver |
| US4112372A (en) * | 1977-01-11 | 1978-09-05 | Texas Instruments Incorporated | Spread spectrum communication system |
| US4418393A (en) * | 1980-10-27 | 1983-11-29 | Sperry Corporation | Matched filter spread spectrum code recovery apparatus |
| US4730340A (en) * | 1980-10-31 | 1988-03-08 | Harris Corp. | Programmable time invariant coherent spread symbol correlator |
| US4426630A (en) * | 1981-12-28 | 1984-01-17 | Rockwell International Corporation | Electronically tunable band reject filter |
| US4441194A (en) * | 1982-05-19 | 1984-04-03 | Sperry Corporation | Triple bit non-coherent matched filter receiving system |
| US4755983A (en) * | 1983-03-01 | 1988-07-05 | Hazeltine Corporation | Dedicated message matched filter |
| US4707839A (en) * | 1983-09-26 | 1987-11-17 | Harris Corporation | Spread spectrum correlator for recovering CCSK data from a PN spread MSK waveform |
| US4660164A (en) * | 1983-12-05 | 1987-04-21 | The United States Of America As Represented By The Secretary Of The Navy | Multiplexed digital correlator |
| JPS60220635A (ja) * | 1984-04-17 | 1985-11-05 | Clarion Co Ltd | スペクトラム拡散送受信機 |
| US4583048A (en) * | 1985-02-26 | 1986-04-15 | Rca Corporation | MSK digital demodulator for burst communications |
| US4630283A (en) * | 1985-07-17 | 1986-12-16 | Rca Corporation | Fast acquisition burst mode spread spectrum communications system with pilot carrier |
| US4755483A (en) * | 1985-07-30 | 1988-07-05 | Sanyo Electric Co., Ltd. | Method for producing semiconductor device with p-type amorphous silicon carbide semiconductor film formed by photo-chemical vapor deposition |
| US4672658A (en) * | 1985-10-16 | 1987-06-09 | At&T Company And At&T Bell Laboratories | Spread spectrum wireless PBX |
| JPS6397033A (ja) * | 1986-10-14 | 1988-04-27 | Kenwood Corp | スペクトラム拡散通信方式における同期パルス発生回路 |
| US4759034A (en) * | 1986-12-02 | 1988-07-19 | General Research Of Electronics, Inc. | Multi-step spread spectrum communication apparatus |
| US4912722A (en) * | 1988-09-20 | 1990-03-27 | At&T Bell Laboratories | Self-synchronous spread spectrum transmitter/receiver |
| US5031142A (en) * | 1989-02-10 | 1991-07-09 | Intel Corporation | Reset circuit for redundant memory using CAM cells |
| US4969159A (en) * | 1989-03-22 | 1990-11-06 | Harris Corporation | Spread spectrum communication system employing composite spreading codes with matched filter demodulator |
| US5031192A (en) * | 1990-02-05 | 1991-07-09 | United States Of America As Represented By The Secretary Of The Air Force | Synthetic demodulation of spread spectrum signals |
| DE4241882A1 (enExample) * | 1991-12-13 | 1993-06-17 | Clarion Co Ltd | |
| US5311544A (en) * | 1992-11-19 | 1994-05-10 | Samsung Electronics Co., Ltd. | Receiver of a direct sequence spread spectrum system |
| JP3003839B2 (ja) * | 1993-11-08 | 2000-01-31 | エヌ・ティ・ティ移動通信網株式会社 | Cdma通信方法および装置 |
| US5627855A (en) * | 1995-05-25 | 1997-05-06 | Golden Bridge Technology, Inc. | Programmable two-part matched filter for spread spectrum |
-
1996
- 1996-08-22 US US08/701,440 patent/US5715276A/en not_active Expired - Lifetime
-
1997
- 1997-08-20 JP JP10510940A patent/JP2000516421A/ja not_active Ceased
- 1997-08-20 CA CA002263676A patent/CA2263676C/en not_active Expired - Fee Related
- 1997-08-20 CN CN97197160A patent/CN1107388C/zh not_active Expired - Fee Related
- 1997-08-20 KR KR10-1999-7001382A patent/KR100450838B1/ko not_active Expired - Fee Related
- 1997-08-20 WO PCT/US1997/014675 patent/WO1998008313A1/en not_active Ceased
- 1997-08-20 AU AU40786/97A patent/AU4078697A/en not_active Abandoned
- 1997-08-20 EP EP97938473A patent/EP0920743B1/en not_active Expired - Lifetime
- 1997-08-20 DE DE69732908T patent/DE69732908D1/de not_active Expired - Lifetime
-
1998
- 1998-01-09 US US09/005,070 patent/US5933447A/en not_active Expired - Lifetime
- 1998-02-04 TW TW087101411A patent/TW367665B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US5715276A (en) | 1998-02-03 |
| AU4078697A (en) | 1998-03-06 |
| CA2263676A1 (en) | 1998-02-26 |
| CN1227681A (zh) | 1999-09-01 |
| JP2000516421A (ja) | 2000-12-05 |
| TW367665B (en) | 1999-08-21 |
| WO1998008313A1 (en) | 1998-02-26 |
| KR100450838B1 (ko) | 2004-10-02 |
| EP0920743B1 (en) | 2005-03-30 |
| US5933447A (en) | 1999-08-03 |
| EP0920743A1 (en) | 1999-06-09 |
| KR20000068247A (ko) | 2000-11-25 |
| EP0920743A4 (en) | 2000-01-26 |
| CA2263676C (en) | 2007-10-23 |
| DE69732908D1 (de) | 2005-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1107388C (zh) | 具有降低硅和电能需求的码元匹配滤波器 | |
| CN1144407C (zh) | 码分多址通讯系统的信号接收装置 | |
| CN1104116C (zh) | 扩频信号接收方法及扩频信号接收装置 | |
| CN1160888C (zh) | 同时多代码序列产生器和采用其的码分多址无线接收机 | |
| CN1146183C (zh) | 相关器和延迟锁相环电路 | |
| 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 | |
| CN1190016C (zh) | 用于获得伪噪声码的装置以及直接序列码分多址接收机 | |
| CN1323474A (zh) | 基于具有选定的相关性质的基于正交哈达玛德(Hadamard)的序列的通信方法和设备 | |
| CN1489832A (zh) | 柔性雷克接收机结构 | |
| JP4664286B2 (ja) | Cdma受信機、受信信号の相関をとるための装置及び方法 | |
| CN1165115C (zh) | 相关器 | |
| CN1404273A (zh) | 接收器、接收方法和半导体器件 | |
| CN100342662C (zh) | 码分多址接收设备和路径保护方法 | |
| CN1862981A (zh) | 一种多径搜索方法、装置及接收机 | |
| JP4925131B2 (ja) | スクランブル符号決定を実行するためのサーチャ・ハードウェア | |
| CN1540896A (zh) | 小区搜索方法、实现装置以及移动通信终端 | |
| US8059776B2 (en) | Method and system for sub-chip resolution for secondary cell search | |
| CN1299453C (zh) | 实现低电流消耗的相关器 | |
| CN1245813C (zh) | 一种无线终端接收机及无线信号接收处理方法 | |
| KR100355266B1 (ko) | 확산 스펙트럼 통신용 sttd 디코더를 이용한 복조기 | |
| CN1188974C (zh) | 数字匹配滤波器及其包含它的携带无线终端 | |
| CN1757178A (zh) | 已接收通信信号处理方法及无线通信设备组件 | |
| US20080130546A1 (en) | Hardware-Efficient Searcher Architecture For Cdma Cellular Receivers | |
| Igura et al. | A low-power W-CDMA demodulator using specially-designed micro-DSPs | |
| HK1018723A (en) | Signal receiving system in cdma communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030430 Termination date: 20110820 |