CN1367590A - Cdma无线电通信设备 - Google Patents
Cdma无线电通信设备 Download PDFInfo
- Publication number
- CN1367590A CN1367590A CN02102800A CN02102800A CN1367590A CN 1367590 A CN1367590 A CN 1367590A CN 02102800 A CN02102800 A CN 02102800A CN 02102800 A CN02102800 A CN 02102800A CN 1367590 A CN1367590 A CN 1367590A
- Authority
- CN
- China
- Prior art keywords
- code
- long code
- long
- shielding
- time slot
- Prior art date
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- Granted
Links
- 238000004891 communication Methods 0.000 title claims description 46
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 43
- 238000012360 testing method Methods 0.000 description 30
- 238000010586 diagram Methods 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 17
- 230000000875 corresponding effect Effects 0.000 description 12
- 230000003362 replicative effect Effects 0.000 description 9
- 239000000284 extract Substances 0.000 description 8
- 230000002596 correlated effect Effects 0.000 description 7
- 238000013499 data model Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 230000001413 cellular effect Effects 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method 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
- H04B1/70735—Code identification
-
- 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
- H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
-
- 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
- H04B1/7083—Cell search, e.g. using a three-step approach
-
- 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
- H04B1/7093—Matched filter type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- 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
-
- 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
- H04B2201/70707—Efficiency-related aspects
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 (1)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP207407/97 | 1997-07-17 | ||
JP20740797 | 1997-07-17 | ||
JP207407/1997 | 1997-07-17 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98116336A Division CN1113497C (zh) | 1997-07-17 | 1998-07-17 | 无线电通信终端设备 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100590024A Division CN100353693C (zh) | 1997-07-17 | 1998-07-17 | Cdma无线电通信设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1367590A true CN1367590A (zh) | 2002-09-04 |
CN1167219C CN1167219C (zh) | 2004-09-15 |
Family
ID=16539235
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98116336A Expired - Lifetime CN1113497C (zh) | 1997-07-17 | 1998-07-17 | 无线电通信终端设备 |
CNB2004100590024A Expired - Lifetime CN100353693C (zh) | 1997-07-17 | 1998-07-17 | Cdma无线电通信设备 |
CNB021028001A Expired - Lifetime CN1167219C (zh) | 1997-07-17 | 1998-07-17 | Cdma无线电通信设备 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98116336A Expired - Lifetime CN1113497C (zh) | 1997-07-17 | 1998-07-17 | 无线电通信终端设备 |
CNB2004100590024A Expired - Lifetime CN100353693C (zh) | 1997-07-17 | 1998-07-17 | Cdma无线电通信设备 |
Country Status (6)
Country | Link |
---|---|
US (3) | US6370134B1 (zh) |
EP (3) | EP1447918B1 (zh) |
KR (1) | KR100300903B1 (zh) |
CN (3) | CN1113497C (zh) |
DE (2) | DE69825370T2 (zh) |
ES (3) | ES2301896T3 (zh) |
Families Citing this family (58)
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US5814038A (en) * | 1995-06-07 | 1998-09-29 | Sri International | Surgical manipulator for a telerobotic system |
US6754251B1 (en) * | 1998-03-09 | 2004-06-22 | Texas Instruments Incorporated | Spread-spectrum telephony with accelerated code acquisition |
JP3028800B2 (ja) * | 1998-05-01 | 2000-04-04 | 日本電気株式会社 | Cdmaセルラシステム及びcdmaセルラシステムにおける拡散符号検出方法 |
US6879575B1 (en) * | 1998-05-13 | 2005-04-12 | Hitachi, Ltd. | Code division multiple access mobile communication system |
BR9914010A (pt) * | 1998-09-22 | 2001-07-03 | Siemens Ag | Processo para receber ou transmitir comunicações |
US6798736B1 (en) * | 1998-09-22 | 2004-09-28 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving variable rate data |
KR100386167B1 (ko) * | 1999-04-27 | 2003-06-02 | 가부시키가이샤 요잔 | 직접확산 부호분할 다중통신 수신장치 |
KR100429545B1 (ko) * | 1999-08-17 | 2004-04-28 | 삼성전자주식회사 | 이동통신 시스템의 스크램블링 부호의 식별자 통신방법 |
EP1499150B8 (en) | 1999-09-06 | 2012-02-08 | NTT DoCoMo, Inc. | Control method of searching neighbouring cells, mobile station, and mobile communication system |
JP3439399B2 (ja) * | 1999-10-14 | 2003-08-25 | エヌイーシーマイクロシステム株式会社 | Cdmaベースバンド受信装置 |
JP3581058B2 (ja) * | 1999-10-14 | 2004-10-27 | 株式会社エヌ・ティ・ティ・ドコモ | Cdma移動通信システムにおける同期信号を送信する方法、およびcdma移動通信システム |
US6959030B1 (en) | 1999-11-12 | 2005-10-25 | Itt Manufacturinger Enterprises, Inc. | Method and apparatus for generating an interleaved code |
US6965634B1 (en) * | 1999-11-12 | 2005-11-15 | Itt Manufacturing Enterprises, Inc. | Non-stationary dither code generation and detection |
US6873664B1 (en) * | 1999-11-12 | 2005-03-29 | Itt Manufacturing Enterprises, Inc. | Method and apparatus for detecting an interleaved code |
US6822999B1 (en) * | 1999-11-13 | 2004-11-23 | Lg Electronics Inc. | High-speed cell searching apparatus and method for communication system |
KR100342483B1 (ko) * | 2000-09-09 | 2002-06-28 | 윤종용 | 비동기방식 이동 통신 시스템에서의 기지국 탐색 장치 및방법 |
CA2361083C (en) | 2000-11-06 | 2006-05-16 | Ntt Docomo, Inc. | Mobile communication system in multi-carrier cdma scheme using short code and long code |
CA2361247C (en) * | 2000-11-06 | 2008-10-07 | Ntt Docomo, Inc. | Transmitter, transmitting method, receiver, and receiving method for mc-cdma communication system |
US6628634B2 (en) * | 2000-12-11 | 2003-09-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Fast decoding of long codes |
JP3520045B2 (ja) * | 2000-12-14 | 2004-04-19 | 三洋電機株式会社 | フレームタイミング検出回路、フレームタイミング検出方法、セルサーチ装置、およびセルサーチ装置を用いた携帯無線端末 |
JP3510589B2 (ja) * | 2000-12-15 | 2004-03-29 | Necエレクトロニクス株式会社 | セルサーチ方法およびセルサーチ装置 |
US20020114310A1 (en) * | 2000-12-22 | 2002-08-22 | Molnar Karl J. | Methods, communication apparatus, and computer program products for detecting an information field in a signal by averaging symbol values across multiple time slot intervals |
US6993107B2 (en) * | 2001-01-16 | 2006-01-31 | International Business Machines Corporation | Analog unidirectional serial link architecture |
US6836839B2 (en) | 2001-03-22 | 2004-12-28 | Quicksilver Technology, Inc. | Adaptive integrated circuitry with heterogeneous and reconfigurable matrices of diverse and adaptive computational units having fixed, application specific computational elements |
US7962716B2 (en) | 2001-03-22 | 2011-06-14 | Qst Holdings, Inc. | Adaptive integrated circuitry with heterogeneous and reconfigurable matrices of diverse and adaptive computational units having fixed, application specific computational elements |
US7653710B2 (en) | 2002-06-25 | 2010-01-26 | Qst Holdings, Llc. | Hardware task manager |
US7752419B1 (en) | 2001-03-22 | 2010-07-06 | Qst Holdings, Llc | Method and system for managing hardware resources to implement system functions using an adaptive computing architecture |
US7249242B2 (en) | 2002-10-28 | 2007-07-24 | Nvidia Corporation | Input pipeline registers for a node in an adaptive computing engine |
US6535548B1 (en) * | 2001-04-26 | 2003-03-18 | Motorola, Inc. | Mobile wireless communication devices for receiving spread spectrum signals and methods therefor |
US6577678B2 (en) | 2001-05-08 | 2003-06-10 | Quicksilver Technology | Method and system for reconfigurable channel coding |
EP1424797A4 (en) * | 2001-09-04 | 2006-08-02 | Mitsubishi Electric Corp | MOBILE DEVICE |
EP1446893B1 (en) * | 2001-11-20 | 2009-01-07 | MediaTek Inc. | Methods and apparatus for spread spectrum signal processing using a reconfigurable coprocessor |
US7046635B2 (en) | 2001-11-28 | 2006-05-16 | Quicksilver Technology, Inc. | System for authorizing functionality in adaptable hardware devices |
US6986021B2 (en) | 2001-11-30 | 2006-01-10 | Quick Silver Technology, Inc. | Apparatus, method, system and executable module for configuration and operation of adaptive integrated circuitry having fixed, application specific computational elements |
US8412915B2 (en) | 2001-11-30 | 2013-04-02 | Altera Corporation | Apparatus, system and method for configuration of adaptive integrated circuitry having heterogeneous computational elements |
US20030108012A1 (en) * | 2001-12-12 | 2003-06-12 | Quicksilver Technology, Inc. | Method and system for detecting and identifying scrambling codes |
US7215701B2 (en) | 2001-12-12 | 2007-05-08 | Sharad Sambhwani | Low I/O bandwidth method and system for implementing detection and identification of scrambling codes |
US7139256B2 (en) * | 2001-12-12 | 2006-11-21 | Quicksilver Technology, Inc. | Method and system for detecting and identifying scrambling codes |
US7403981B2 (en) | 2002-01-04 | 2008-07-22 | Quicksilver Technology, Inc. | Apparatus and method for adaptive multimedia reception and transmission in communication environments |
US7363035B2 (en) * | 2002-02-07 | 2008-04-22 | Qualcomm Incorporated | Method and apparatus for providing content to a mobile terminal |
US7328414B1 (en) | 2003-05-13 | 2008-02-05 | Qst Holdings, Llc | Method and system for creating and programming an adaptive computing engine |
US7660984B1 (en) | 2003-05-13 | 2010-02-09 | Quicksilver Technology | Method and system for achieving individualized protected space in an operating system |
US8108656B2 (en) | 2002-08-29 | 2012-01-31 | Qst Holdings, Llc | Task definition for specifying resource requirements |
US7937591B1 (en) | 2002-10-25 | 2011-05-03 | Qst Holdings, Llc | Method and system for providing a device which can be adapted on an ongoing basis |
US8276135B2 (en) | 2002-11-07 | 2012-09-25 | Qst Holdings Llc | Profiling of software and circuit designs utilizing data operation analyses |
US7225301B2 (en) | 2002-11-22 | 2007-05-29 | Quicksilver Technologies | External memory controller node |
US7200405B2 (en) | 2003-11-18 | 2007-04-03 | Interdigital Technology Corporation | Method and system for providing channel assignment information used to support uplink and downlink channels |
JP4308105B2 (ja) * | 2004-08-23 | 2009-08-05 | Okiセミコンダクタ株式会社 | 同期追従回路 |
WO2007020710A1 (ja) * | 2005-08-19 | 2007-02-22 | Matsushita Electric Industrial Co., Ltd. | 基地局装置および移動局装置 |
US8738056B2 (en) * | 2006-05-22 | 2014-05-27 | Qualcomm Incorporation | Signal acquisition in a wireless communication system |
WO2007138666A1 (ja) * | 2006-05-29 | 2007-12-06 | Panasonic Corporation | 無線基地局装置 |
US8929353B2 (en) * | 2007-05-09 | 2015-01-06 | Qualcomm Incorporated | Preamble structure and acquisition for a wireless communication system |
CN101467413B (zh) * | 2006-06-13 | 2013-08-21 | 高通股份有限公司 | 用于在无线通信系统中发送和接收导频的方法和装置 |
US20080130592A1 (en) * | 2006-12-04 | 2008-06-05 | Electronics And Telecommunications Research Institute | Apparatus and method for managing medium access slot in wireless personal area network |
CN102550096B (zh) * | 2009-07-03 | 2015-07-08 | 苹果公司 | 在无线通信信号中对第一和第二前导的使用 |
KR101814221B1 (ko) | 2010-01-21 | 2018-01-02 | 스비랄 인크 | 스트림 기반 계산을 구현하기 위한 범용 다중 코어 시스템을 위한 방법 및 장치 |
US9648444B2 (en) * | 2014-01-06 | 2017-05-09 | Brian G. Agee | Physically secure digital signal processing for wireless M2M networks |
CN110012048B (zh) | 2018-11-22 | 2021-11-12 | 创新先进技术有限公司 | 信息识别码生成方法、装置、电子设备及计算机存储介质 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01251930A (ja) | 1988-03-31 | 1989-10-06 | Toshiba Corp | フレーム同期検出方式 |
JPH0591084A (ja) | 1991-09-30 | 1993-04-09 | Kawasaki Steel Corp | Cdma通信方式における復号化装置 |
US5491718A (en) * | 1994-01-05 | 1996-02-13 | Nokia Mobile Phones Ltd. | CDMA radiotelephone having optimized slotted mode and long code operation |
JP2801967B2 (ja) * | 1994-02-09 | 1998-09-21 | エヌ・ティ・ティ移動通信網株式会社 | Cdma移動通信方法及びシステム |
US5724378A (en) * | 1994-12-13 | 1998-03-03 | Nit Mobile Communications Network, Inc. | CDMA multiuser receiver and method |
DE69533839T2 (de) * | 1994-12-28 | 2006-03-02 | Ntt Docomo Inc. | Verfahren und anordnung zur vorsysnchronisierung eines spreizspektrumkode eines übertragungssystems mit mehrfachzugriff durch kodeverteilung |
FI97581C (fi) * | 1995-02-10 | 1997-01-10 | Nokia Telecommunications Oy | Vastaanotin ja menetelmä hajotuskoodien generoimiseksi vastaanottimessa |
JP3140317B2 (ja) | 1995-02-16 | 2001-03-05 | 株式会社日立国際電気 | パイロット信号伝送方式 |
WO1997033400A1 (fr) | 1996-03-05 | 1997-09-12 | Ntt Mobile Communications Network Inc. | Procede de transmission de signaux, emetteur, recepteur, et procede de synchronisation de code a etalement de spectre pour systeme de communication mobile |
JP3376224B2 (ja) * | 1996-10-23 | 2003-02-10 | 株式会社エヌ・ティ・ティ・ドコモ | Ds−cdma基地局間非同期セルラ方式における初期同期方法および受信機 |
JP3373746B2 (ja) * | 1997-01-07 | 2003-02-04 | 株式会社鷹山 | Ds−cdma基地局間非同期セルラ方式における初期同期方法および受信機 |
JP2861985B2 (ja) | 1997-06-16 | 1999-02-24 | 日本電気株式会社 | Cdma用高速セルサーチ方式 |
US6185244B1 (en) * | 1997-08-29 | 2001-02-06 | Telefonaktiebolaget Lm Ericsson | Cell searching in a CDMA communications system |
-
1998
- 1998-07-15 DE DE69825370T patent/DE69825370T2/de not_active Expired - Lifetime
- 1998-07-15 EP EP04012123A patent/EP1447918B1/en not_active Expired - Lifetime
- 1998-07-15 ES ES04012123T patent/ES2301896T3/es not_active Expired - Lifetime
- 1998-07-15 ES ES08100709.8T patent/ES2476600T3/es not_active Expired - Lifetime
- 1998-07-15 EP EP98113191A patent/EP0892503B9/en not_active Expired - Lifetime
- 1998-07-15 EP EP08100709.8A patent/EP1914904B1/en not_active Expired - Lifetime
- 1998-07-15 ES ES98113191T patent/ES2226037T3/es not_active Expired - Lifetime
- 1998-07-15 DE DE69839197T patent/DE69839197T2/de not_active Expired - Lifetime
- 1998-07-15 US US09/115,502 patent/US6370134B1/en not_active Expired - Lifetime
- 1998-07-16 KR KR1019980028939A patent/KR100300903B1/ko not_active IP Right Cessation
- 1998-07-17 CN CN98116336A patent/CN1113497C/zh not_active Expired - Lifetime
- 1998-07-17 CN CNB2004100590024A patent/CN100353693C/zh not_active Expired - Lifetime
- 1998-07-17 CN CNB021028001A patent/CN1167219C/zh not_active Expired - Lifetime
-
2001
- 2001-12-14 US US10/014,352 patent/US7035233B2/en not_active Expired - Lifetime
-
2006
- 2006-03-10 US US11/372,152 patent/US7535864B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR19990013970A (ko) | 1999-02-25 |
CN100353693C (zh) | 2007-12-05 |
EP1447918A2 (en) | 2004-08-18 |
US7035233B2 (en) | 2006-04-25 |
CN1592178A (zh) | 2005-03-09 |
DE69825370D1 (de) | 2004-09-09 |
US20060153113A1 (en) | 2006-07-13 |
EP1447918B1 (en) | 2008-02-27 |
EP1447918A3 (en) | 2005-11-09 |
DE69839197T2 (de) | 2009-03-05 |
KR100300903B1 (ko) | 2001-09-06 |
EP1914904A1 (en) | 2008-04-23 |
ES2476600T3 (es) | 2014-07-15 |
CN1206267A (zh) | 1999-01-27 |
US20020041581A1 (en) | 2002-04-11 |
EP0892503A3 (en) | 2002-05-02 |
EP0892503A2 (en) | 1999-01-20 |
CN1167219C (zh) | 2004-09-15 |
EP0892503B9 (en) | 2005-01-05 |
ES2301896T3 (es) | 2008-07-01 |
CN1113497C (zh) | 2003-07-02 |
US6370134B1 (en) | 2002-04-09 |
ES2226037T3 (es) | 2005-03-16 |
EP1914904B1 (en) | 2014-05-28 |
US7535864B2 (en) | 2009-05-19 |
DE69825370T2 (de) | 2004-12-16 |
EP0892503B1 (en) | 2004-08-04 |
DE69839197D1 (de) | 2008-04-10 |
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