DE69737670D1 - Signalübertragungsverfahren, sender und empfänger für ein mobiles kommunikationssystem - Google Patents
Signalübertragungsverfahren, sender und empfänger für ein mobiles kommunikationssystemInfo
- Publication number
- DE69737670D1 DE69737670D1 DE69737670T DE69737670T DE69737670D1 DE 69737670 D1 DE69737670 D1 DE 69737670D1 DE 69737670 T DE69737670 T DE 69737670T DE 69737670 T DE69737670 T DE 69737670T DE 69737670 D1 DE69737670 D1 DE 69737670D1
- Authority
- DE
- Germany
- Prior art keywords
- transmitter
- receiver
- communication system
- mobile communication
- signal transmission
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title 1
- 238000010295 mobile communication Methods 0.000 title 1
- 230000008054 signal transmission Effects 0.000 title 1
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
- H04B1/708—Parallel implementation
-
- 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
-
- 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
- H04B1/70756—Jumping within the code, i.e. masking or slewing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
-
- 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
- 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
- H04B2201/70702—Intercell-related aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J2013/0037—Multilevel codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4777496 | 1996-03-05 | ||
JP4777496 | 1996-03-05 | ||
JP16346296 | 1996-06-24 | ||
JP16346296 | 1996-06-24 | ||
JP27269696 | 1996-10-15 | ||
JP27269696 | 1996-10-15 | ||
PCT/JP1997/000657 WO1997033400A1 (fr) | 1996-03-05 | 1997-03-04 | Procede de transmission de signaux, emetteur, recepteur, et procede de synchronisation de code a etalement de spectre pour systeme de communication mobile |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69737670D1 true DE69737670D1 (de) | 2007-06-14 |
DE69737670T2 DE69737670T2 (de) | 2007-10-04 |
Family
ID=27293083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1997637670 Expired - Lifetime DE69737670T2 (de) | 1996-03-05 | 1997-03-04 | Signalübertragungsverfahren, sender und empfänger für ein mobiles kommunikationssystem |
Country Status (8)
Country | Link |
---|---|
US (1) | US6167037A (de) |
EP (1) | EP0825737B1 (de) |
JP (1) | JP3214860B2 (de) |
KR (1) | KR100311968B1 (de) |
CN (2) | CN1080047C (de) |
CA (1) | CA2217575C (de) |
DE (1) | DE69737670T2 (de) |
WO (1) | WO1997033400A1 (de) |
Families Citing this family (86)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
DE69839197T2 (de) * | 1997-07-17 | 2009-03-05 | Matsushita Electric Industrial Co., Ltd., Kadoma-shi | Synchronisationsverfahren in einem Kodemultiplexvielfachzugriffsystem |
JP3897427B2 (ja) * | 1997-12-01 | 2007-03-22 | 松下電器産業株式会社 | 基地局装置、移動局装置、移動体通信システム、無線送信方法及び無線受信方法 |
KR100269593B1 (ko) | 1997-12-02 | 2000-10-16 | 정선종 | 다중 채널을 위한 직교 복소 확산 방법 및 그 장치 |
US6373862B1 (en) * | 1997-12-12 | 2002-04-16 | Texas Instruments Incorporated | Channel-aided, decision-directed delay-locked loop |
US6208632B1 (en) * | 1998-01-29 | 2001-03-27 | Sharp Laboratories Of America | System and method for CDMA channel estimation |
JP2894342B1 (ja) | 1998-03-13 | 1999-05-24 | 日本電気株式会社 | スロットタイミング検出方法および検出回路ならびに移動局ならびに移動通信システム |
JP3856261B2 (ja) * | 1998-03-18 | 2006-12-13 | ソニー株式会社 | 同期検出装置 |
US6085104A (en) * | 1998-03-25 | 2000-07-04 | Sharp Laboratories Of America, Inc. | Pilot aided, time-varying finite impulse response, adaptive channel matching receiving system and method |
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 |
EP0989696B1 (de) * | 1998-05-07 | 2014-08-20 | Ntt Docomo, Inc. | Verfahren zur zuweisung und übertragung von spreizsignalen in einem direkt-spreizband mobil-cdma-nachrichtenübertragungssystem, mobiles nachrichtenübertragungssystem und sender, empfänger und sender/empfänger eines mobilen nachrichtenübertragungssystems |
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 |
US6879575B1 (en) * | 1998-05-13 | 2005-04-12 | Hitachi, Ltd. | Code division multiple access mobile communication system |
JP3260716B2 (ja) | 1998-06-05 | 2002-02-25 | 松下電器産業株式会社 | 送信装置及びそれを用いた基地局装置 |
US6381225B1 (en) * | 1998-08-27 | 2002-04-30 | Qualcomm Incorporated | System and method for resolving frequency and timing uncertainty in access transmissions in a spread spectrum communication system |
KR100532328B1 (ko) * | 1998-08-29 | 2006-03-23 | 삼성전자주식회사 | 부호분할다중접속통신시스템의피.엔시퀀스식별장치 |
DE59913668D1 (de) * | 1998-09-22 | 2006-08-24 | Siemens Ag | Verfahren zum empfangen oder senden von nachrichten |
JP3883713B2 (ja) * | 1998-10-05 | 2007-02-21 | 富士通株式会社 | 拡散符号及びタイミング検出装置及びその方法 |
KR100340932B1 (ko) * | 1998-10-26 | 2002-06-20 | 조정남 | 비동기식 광대역 부호 분할 다중 접속 시스템에서의 셀 탐색 방법 |
US6205168B1 (en) * | 1998-11-12 | 2001-03-20 | Sharp Laboratories Of America, Inc. | Sequential detection system and method with adaptive bias |
US6452991B1 (en) * | 1998-12-30 | 2002-09-17 | Ericsson Inc. | Systems and methods for acquiring channel synchronization in time division multiple access communications systems using dual detection thresholds |
JP2000201101A (ja) * | 1999-01-07 | 2000-07-18 | Fujitsu Ltd | 拡散通信システムとその移動機 |
JP3156783B2 (ja) * | 1999-01-21 | 2001-04-16 | 日本電気株式会社 | スペクトラム拡散通信システムにおける同期捕捉装置および同期捕捉方法 |
US6625200B1 (en) | 1999-01-25 | 2003-09-23 | Ericsson Inc. | Multi-stage CDMA synchronization with parallel execution |
JP3930187B2 (ja) * | 1999-03-03 | 2007-06-13 | 株式会社日立コミュニケーションテクノロジー | 同期制御方法、受信機、基地局及び移動端末 |
DE60045328D1 (de) * | 1999-03-22 | 2011-01-20 | Texas Instruments Inc | Mehrstufige pn-kode-erfassungschaltung und -verfahren |
US6831929B1 (en) | 1999-03-22 | 2004-12-14 | Texas Instruments Incorporated | Multistage PN code aquisition circuit and method |
US7130332B1 (en) * | 1999-04-20 | 2006-10-31 | Symmetricom, Inc. | Pilot tracking for synchronization using correlation between digital signal and locally generated version of PN signal |
EP1091501A1 (de) * | 1999-04-27 | 2001-04-11 | Yozan Inc. | Ds-cdma empfänger |
TW463481B (en) * | 1999-04-28 | 2001-11-11 | Fujitsu Ltd | Cell search method, communication synchronization apparatus, portable terminal apparatus, and recording medium |
DE10027216B4 (de) | 1999-05-31 | 2008-10-16 | Electronics And Telecommunications Research Institute | Vorrichtung und Verfahren zum Modulieren einer Datennachricht durch Verwendung von Codes mit orthogonalem veränderlichem Spreizungsfaktor (OVSF) in einem Mobilkommunikationssystem |
EP1104977A4 (de) | 1999-06-15 | 2005-12-21 | Ntt Docomo Inc | Verfahren zur aktualisierung von nebenbasisstation, informationskontrollverfahren zur zellensuche in mobilkommunikationssystem, zellensuchverfahren in mobilstation, mobilkommunikationssystem, basisstation und kontrollstation |
KR100346827B1 (ko) * | 1999-07-30 | 2002-08-01 | 한국전자통신연구원 | 코드분할다중접속 통신 시스템용 고속 병렬 코드 검색기 |
GB2353155A (en) * | 1999-08-05 | 2001-02-14 | Mitsubishi Electric Inf Tech | A random binary signal generator with a narrowed autocorrelation function |
GB2353183B (en) * | 1999-08-12 | 2003-06-11 | Ericsson Telefon Ab L M | Cellular communications systems |
SG143941A1 (en) | 1999-09-06 | 2008-07-29 | Ntt Docomo Inc | Control method of searching neighboring cells, mobile station, and mobile communication system |
JP2001086032A (ja) * | 1999-09-10 | 2001-03-30 | Pioneer Electronic Corp | 通信装置及び通信方法 |
US6996162B1 (en) * | 1999-10-05 | 2006-02-07 | Texas Instruments Incorporated | Correlation using only selected chip position samples in a wireless 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 |
US6873664B1 (en) * | 1999-11-12 | 2005-03-29 | Itt Manufacturing Enterprises, Inc. | Method and apparatus for detecting an interleaved code |
US6868108B1 (en) * | 1999-11-12 | 2005-03-15 | Itt Manufacturing Enterprises, Inc. | Method and apparatus for generating and transmitting a stationary dither code |
JP3438681B2 (ja) * | 1999-11-18 | 2003-08-18 | 日本電気株式会社 | Ds−cdma基地局間非同期セルラにおける初期同期方法 |
KR100355376B1 (ko) * | 1999-12-15 | 2002-10-12 | 삼성전자 주식회사 | 비동기형 광대역 직접 시퀀스 코드분할다중접속수신신호에 대한 동기획득 장치 |
DE10003734A1 (de) * | 2000-01-28 | 2001-08-02 | Bosch Gmbh Robert | Detektionsverfahren und -vorrichtung |
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US6788668B1 (en) * | 2000-02-29 | 2004-09-07 | National Semiconductor Corporation | Low power long code synchronization scheme for sleep mode operation of CDMA systems |
DE60035768T2 (de) * | 2000-03-10 | 2007-12-06 | Mitsubishi Electric Information Technology Centre Europe B.V. | Verfahren und Vorrichtung zum erleichterten schnelleren Erlangen von Zielzellensignalen |
EP1133077A1 (de) * | 2000-03-10 | 2001-09-12 | Mitsubishi Electric Information Technology Centre Europe B.V. | Verfahren zur Synchronisation von Basisstationen und eine Mobilstation in einem zellularen Kommunikationssystem |
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EP1605610B1 (de) | 2000-04-07 | 2014-03-26 | InterDigital Technology Corporation | Verfahren zur Synchronisierung einer Basisstation für drahtlose Kommunikationssysteme |
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JP2004502175A (ja) * | 2000-06-27 | 2004-01-22 | シーフ、テクノロジー、インコーポレーテッド | Gps信号を獲得するために組み合わされた並列および順次検出 |
ATE279819T1 (de) | 2000-08-04 | 2004-10-15 | Interdigital Tech Corp | Verfahren und gerät zur zellsuche in einem tdma- cdma kommunikationssystem |
JP3473695B2 (ja) * | 2000-08-30 | 2003-12-08 | Necエレクトロニクス株式会社 | W−cdmaシステムにおけるセルサーチ方法及び回路 |
JP3836663B2 (ja) | 2000-09-04 | 2006-10-25 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムにおける移動局のセルサーチ方法 |
JP3741944B2 (ja) * | 2000-09-18 | 2006-02-01 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムにおける移動局のセルサーチ方法 |
JP3729329B2 (ja) | 2000-09-19 | 2005-12-21 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムにおける移動局のセルサーチ方法および移動通信システムにおける移動局 |
JP2002118496A (ja) * | 2000-10-06 | 2002-04-19 | Hitachi Kokusai Electric Inc | セルサーチ判定回路 |
JP3787269B2 (ja) * | 2000-10-19 | 2006-06-21 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムにおける拡散符号同期方法および受信装置 |
CA2361247C (en) * | 2000-11-06 | 2008-10-07 | Ntt Docomo, Inc. | Transmitter, transmitting method, receiver, and receiving method for mc-cdma communication system |
AU2002217057A1 (en) * | 2000-11-27 | 2002-06-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Code synchronization in a mobile communication device |
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 |
US6826244B2 (en) * | 2001-02-27 | 2004-11-30 | Interdigital Technology Corporation | Initial cell search algorithm for 3G FDD wireless communication systems |
KR100746460B1 (ko) * | 2001-04-20 | 2007-08-03 | 주식회사 케이티 | 숏 코드 정합필터를 이용한 시각 동기신호 복조 장치 및 그 방법 |
US7548506B2 (en) * | 2001-10-17 | 2009-06-16 | Nortel Networks Limited | System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design |
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CN1846415B (zh) | 2003-03-28 | 2010-08-04 | 英特尔公司 | 用于ofdm信号的两信道频偏估计的系统和方法 |
AU2003269739A1 (en) * | 2003-03-28 | 2004-10-18 | Intel Corporation | Method and apparatus for ofdm symbol timing synchronization |
GB0410617D0 (en) * | 2004-05-12 | 2004-06-16 | Ttp Communications Ltd | Path searching |
US8175068B2 (en) * | 2008-03-26 | 2012-05-08 | Advanced Receiver Technologies, Llc | Active spread code detection |
CN101674117A (zh) * | 2008-09-11 | 2010-03-17 | 中兴通讯股份有限公司 | 一种支持发射分集模式检测的多径搜索装置和方法 |
JP5223930B2 (ja) * | 2008-12-25 | 2013-06-26 | 富士通株式会社 | 信号生成装置、送信装置、信号生成方法、送信方法および通信システム |
CN101944929B (zh) * | 2009-07-06 | 2013-08-07 | 中兴通讯股份有限公司 | 基于随机接入过程的检测方法和检测装置 |
KR101333673B1 (ko) | 2012-03-13 | 2013-11-28 | 조선대학교산학협력단 | 단계적 확산 방식 기반 송신 장치 및 그의 동작 방법 |
KR101626457B1 (ko) * | 2013-12-20 | 2016-06-01 | 주식회사 쏠리드 | Lte 프레임 동기 검출 방법 및 장치, 이를 적용한 중계 장치 |
CN103763062B (zh) * | 2014-01-17 | 2017-02-08 | 中国航空无线电电子研究所 | 可变增益自适应带宽的航空无线电抗干扰宽带传输方法 |
CA3016690C (en) * | 2016-03-28 | 2019-03-19 | Mitsubishi Electric Corporation | Receiver, transmitter, radio communication system, and radio communication method |
WO2018148864A1 (zh) * | 2017-02-14 | 2018-08-23 | 华为技术有限公司 | 一种时钟同步方法及设备 |
CN111555772B (zh) * | 2020-04-24 | 2021-12-10 | 中国电子科技集团公司第三十八研究所 | 一种基于长短码的混合扩频通信方法及装置 |
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US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
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US5329547A (en) * | 1993-03-11 | 1994-07-12 | Motorola, Inc. | Method and apparatus for coherent communication in a spread-spectrum communication system |
US5790588A (en) * | 1995-06-07 | 1998-08-04 | Ntt Mobile Communications Network, Inc. | Spread spectrum transmitter and receiver employing composite spreading codes |
-
1997
- 1997-03-04 WO PCT/JP1997/000657 patent/WO1997033400A1/ja active IP Right Grant
- 1997-03-04 EP EP19970903657 patent/EP0825737B1/de not_active Expired - Lifetime
- 1997-03-04 DE DE1997637670 patent/DE69737670T2/de not_active Expired - Lifetime
- 1997-03-04 US US08/952,081 patent/US6167037A/en not_active Expired - Lifetime
- 1997-03-04 CA CA 2217575 patent/CA2217575C/en not_active Expired - Lifetime
- 1997-03-04 JP JP53166097A patent/JP3214860B2/ja not_active Expired - Lifetime
- 1997-03-04 CN CN97190144A patent/CN1080047C/zh not_active Expired - Lifetime
- 1997-03-04 KR KR1019970707843A patent/KR100311968B1/ko not_active IP Right Cessation
-
2001
- 2001-09-18 CN CNB011406569A patent/CN1185819C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1390000A (zh) | 2003-01-08 |
JP3214860B2 (ja) | 2001-10-02 |
KR19990008317A (ko) | 1999-01-25 |
CA2217575A1 (en) | 1997-09-12 |
CN1180463A (zh) | 1998-04-29 |
DE69737670T2 (de) | 2007-10-04 |
US6167037A (en) | 2000-12-26 |
EP0825737A1 (de) | 1998-02-25 |
WO1997033400A1 (fr) | 1997-09-12 |
CN1080047C (zh) | 2002-02-27 |
CA2217575C (en) | 2005-07-12 |
EP0825737B1 (de) | 2007-05-02 |
EP0825737A4 (de) | 2002-07-31 |
CN1185819C (zh) | 2005-01-19 |
KR100311968B1 (ko) | 2001-12-28 |
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