CN1457561A - 一种用于扩频系统的信号鉴别器 - Google Patents
一种用于扩频系统的信号鉴别器 Download PDFInfo
- Publication number
- CN1457561A CN1457561A CN02800345A CN02800345A CN1457561A CN 1457561 A CN1457561 A CN 1457561A CN 02800345 A CN02800345 A CN 02800345A CN 02800345 A CN02800345 A CN 02800345A CN 1457561 A CN1457561 A CN 1457561A
- Authority
- CN
- China
- Prior art keywords
- frequency signal
- statistics
- difference
- signal
- spread
- 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
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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/792,147 US7027485B2 (en) | 2001-02-21 | 2001-02-21 | Signal discriminator for a spread spectrum system |
US09/792,147 | 2001-02-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1457561A true CN1457561A (zh) | 2003-11-19 |
CN1230993C CN1230993C (zh) | 2005-12-07 |
Family
ID=25155942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028003454A Expired - Fee Related CN1230993C (zh) | 2001-02-21 | 2002-02-13 | 一种用于扩频系统的信号鉴别器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7027485B2 (zh) |
EP (1) | EP1364466A2 (zh) |
JP (1) | JP2004528745A (zh) |
KR (1) | KR20020089498A (zh) |
CN (1) | CN1230993C (zh) |
WO (1) | WO2002067436A2 (zh) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7095710B2 (en) * | 2001-12-21 | 2006-08-22 | Qualcomm | Decoding using walsh space information |
JP2003283605A (ja) * | 2002-03-22 | 2003-10-03 | Nec Corp | 通信問い合わせ方法及びこの方法に適用される携帯電話機 |
US7426392B2 (en) * | 2002-05-23 | 2008-09-16 | Intel Corporation | Search receiver using adaptive detection theresholds |
EP1525685A4 (en) * | 2002-07-01 | 2005-08-03 | Nokia Corp | METHOD AND APPARATUS FOR ESTABLISHING CONSTELLATIONS FOR IMPEDED LANE INFORMATION AT A RECEIVER |
US7889804B2 (en) * | 2003-05-30 | 2011-02-15 | Mohammad Jaber Borran | Partially coherent constellations for multiple-antenna systems |
TR200504827T2 (tr) * | 2004-01-20 | 2007-01-22 | Qualcomm Incorporated | Eşzamanlı yayın/çoğa gönderim iletişimi. |
US8325828B1 (en) | 2007-03-08 | 2012-12-04 | Marvell International Ltd. | Method and apparatus for detecting impulse noise |
US8094710B1 (en) | 2007-04-04 | 2012-01-10 | Marvell International Ltd. | Wide band noise early detection and protection architecture for a frequency domain equalizer |
US7953140B2 (en) * | 2007-08-01 | 2011-05-31 | Broadcom Corporation | Method and apparatus to process dedicated pilot bits from multiple fingers |
US20090239550A1 (en) * | 2008-03-18 | 2009-09-24 | Myers Theodore J | Random phase multiple access system with location tracking |
US7773664B2 (en) * | 2008-03-18 | 2010-08-10 | On-Ramp Wireless, Inc. | Random phase multiple access system with meshing |
US7733945B2 (en) * | 2008-03-18 | 2010-06-08 | On-Ramp Wireless, Inc. | Spread spectrum with doppler optimization |
US8958460B2 (en) | 2008-03-18 | 2015-02-17 | On-Ramp Wireless, Inc. | Forward error correction media access control system |
US8520721B2 (en) | 2008-03-18 | 2013-08-27 | On-Ramp Wireless, Inc. | RSSI measurement mechanism in the presence of pulsed jammers |
US7526013B1 (en) | 2008-03-18 | 2009-04-28 | On-Ramp Wireless, Inc. | Tag communications with access point |
US8477830B2 (en) | 2008-03-18 | 2013-07-02 | On-Ramp Wireless, Inc. | Light monitoring system using a random phase multiple access system |
US8363699B2 (en) | 2009-03-20 | 2013-01-29 | On-Ramp Wireless, Inc. | Random timing offset determination |
US7639726B1 (en) | 2009-03-20 | 2009-12-29 | On-Ramp Wireless, Inc. | Downlink communication |
US7702290B1 (en) | 2009-04-08 | 2010-04-20 | On-Ramp Wirless, Inc. | Dynamic energy control |
JP5745166B2 (ja) * | 2011-05-19 | 2015-07-08 | ▲ホア▼▲ウェイ▼技術有限公司 | リソース多重化方法及び装置、並びにハンドオーバー方法及び装置 |
US11232782B2 (en) * | 2019-08-30 | 2022-01-25 | Microsoft Technology Licensing, Llc | Speaker adaptation for attention-based encoder-decoder |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6128331A (en) * | 1994-11-07 | 2000-10-03 | Cisco Systems, Inc. | Correlation system for use in wireless direct sequence spread spectrum systems |
GB2314734B (en) | 1996-06-28 | 2000-11-01 | Motorola Ltd | Method and apparatus for monitoring channels |
US5889768A (en) | 1996-08-30 | 1999-03-30 | Motorola, Inc. | Method of and apparatus for pilot channel acquisition |
JP3622875B2 (ja) | 1996-11-11 | 2005-02-23 | ソニー株式会社 | パイロツト信号検出装置、パイロツト信号検出方法及び移動通信端末装置 |
KR100236982B1 (ko) | 1997-04-25 | 2000-01-15 | 정선종 | 부호 분할 다중 접속 방식 이동 통신 시스템에서 이동 단말의 핸드 오프 제어 방법 |
US6049574A (en) | 1998-04-17 | 2000-04-11 | Trustees Of Tufts College | Blind adaptive equalization using cost function that measures dissimilarity between the probability distributions of source and equalized signals |
US6278703B1 (en) | 1998-12-09 | 2001-08-21 | Qualcomm Incorporated | Method and apparatus for improving neighbor searching performance |
US6232921B1 (en) * | 2000-01-11 | 2001-05-15 | Lucent Technologies Inc. | Method and system for adaptive signal processing for an antenna array |
US6424678B1 (en) * | 2000-08-01 | 2002-07-23 | Motorola, Inc. | Scalable pattern methodology for multi-carrier communication systems |
US7277405B2 (en) * | 2001-12-27 | 2007-10-02 | Motorola, Inc. | Timing recovery and cross talk prevention in the presence of co-channel interference |
US20030157943A1 (en) * | 2002-01-29 | 2003-08-21 | John Sabat | Method and apparatus for auxiliary pilot signal for mobile phone location |
-
2001
- 2001-02-21 US US09/792,147 patent/US7027485B2/en not_active Expired - Lifetime
-
2002
- 2002-02-13 KR KR1020027013963A patent/KR20020089498A/ko not_active Application Discontinuation
- 2002-02-13 CN CNB028003454A patent/CN1230993C/zh not_active Expired - Fee Related
- 2002-02-13 WO PCT/IB2002/000442 patent/WO2002067436A2/en not_active Application Discontinuation
- 2002-02-13 EP EP02710272A patent/EP1364466A2/en not_active Withdrawn
- 2002-02-13 JP JP2002566847A patent/JP2004528745A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP1364466A2 (en) | 2003-11-26 |
WO2002067436A2 (en) | 2002-08-29 |
US20020114378A1 (en) | 2002-08-22 |
CN1230993C (zh) | 2005-12-07 |
US7027485B2 (en) | 2006-04-11 |
JP2004528745A (ja) | 2004-09-16 |
WO2002067436A3 (en) | 2002-11-28 |
KR20020089498A (ko) | 2002-11-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1230993C (zh) | 一种用于扩频系统的信号鉴别器 | |
US5642377A (en) | Serial search acquisition system with adaptive threshold and optimal decision for spread spectrum systems | |
KR100302502B1 (ko) | Cdma및직접확산스펙트럼시스템에서연속판단을수행하는이중드웰최대라이클리후드포착시스템 | |
JP3040481B2 (ja) | Cdma通信システムのサーチ獲得を行う改良された方法および装置 | |
US6229842B1 (en) | Adaptive path selection threshold setting for DS-CDMA receivers | |
CN1430367A (zh) | Cdma移动通信系统中可视与非可视信道的识别方法 | |
CN1312986A (zh) | 用于cdma接收机的导频强度测量与多径延迟搜索器 | |
CN1413391A (zh) | 用来执行多载波通信系统中搜索捕获的方法和设备 | |
JP2000138963A (ja) | 符号分割多元接続通信システム | |
KR100197352B1 (ko) | 기준 정합여파기를 이용한 병렬포착시스템 | |
KR100474315B1 (ko) | 기지국 수신모뎀 다중경로 탐색기의 신호 검출장치 및 그운용방법 | |
MXPA04007880A (es) | Receptor para estaciones de telecomunicacion inalambrica y metodo. | |
CN1225209A (zh) | 一种延时估算方法与接收机 | |
CN1475051A (zh) | 搜索码空间的方法 | |
EP1252721B1 (en) | System for continuous wave rejection | |
US6795423B1 (en) | System for continuous wave rejection | |
US9264098B2 (en) | Process for finger insertion and removal in a rake receiver and receiver for carrying out the process | |
KR101203862B1 (ko) | 셀 검색 신호 전송 방법 및 이를 이용한 셀 검색 방법 | |
CN100521667C (zh) | 获取接收到的脉冲无线电信号的方法、系统和装置 | |
KR19990034103A (ko) | 적응 문턱값을 이용한 의사잡음 부호의 직병렬형 초기 동기 검파장치 및 방법 | |
KR20070075473A (ko) | 이동통신 시스템에서 다중경로 탐색과 에너지 보고를 위한장치 및 방법 | |
KR20000052235A (ko) | 고성능 신호 검색 정렬 장치 및 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: ROYAL PHILIPS ELECTRONICS CO., LTD. Effective date: 20070914 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20070914 Address after: Holland Ian Deho Finn Patentee after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Patentee before: Koninklike Philips Electronics N. V. |
|
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: 20051207 Termination date: 20180213 |