BR9405751A - Processo e estação de base para alinhamento de tempo de sinais de recepção em sistema de comunicações de acesso múltiplo de divisão de código processo para alinhamento de tempo de sinais de recepção em sistema de comunicações de acesso múltiplo de divisão de código microcelular e unidade de assinante em sistema de comunicações de acesso múltiplo de divisão de código - Google Patents
Processo e estação de base para alinhamento de tempo de sinais de recepção em sistema de comunicações de acesso múltiplo de divisão de código processo para alinhamento de tempo de sinais de recepção em sistema de comunicações de acesso múltiplo de divisão de código microcelular e unidade de assinante em sistema de comunicações de acesso múltiplo de divisão de códigoInfo
- Publication number
- BR9405751A BR9405751A BR9405751A BR9405751A BR9405751A BR 9405751 A BR9405751 A BR 9405751A BR 9405751 A BR9405751 A BR 9405751A BR 9405751 A BR9405751 A BR 9405751A BR 9405751 A BR9405751 A BR 9405751A
- Authority
- BR
- Brazil
- Prior art keywords
- communications system
- code division
- base station
- reception signals
- time alignment
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
- H04L7/007—Detection of the synchronisation error by features other than the received signal transition detection of error based on maximum signal power, e.g. peak value, maximizing autocorrelation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/159,633 US5446727A (en) | 1993-11-30 | 1993-11-30 | Method and apparatus for time aligning signals for reception in a code-division multiple access communication system |
PCT/US1994/012635 WO1995015626A1 (en) | 1993-11-30 | 1994-11-03 | Time alignment in a cdma system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9405751A true BR9405751A (pt) | 1995-12-05 |
Family
ID=22573340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9405751A BR9405751A (pt) | 1993-11-30 | 1994-11-03 | Processo e estação de base para alinhamento de tempo de sinais de recepção em sistema de comunicações de acesso múltiplo de divisão de código processo para alinhamento de tempo de sinais de recepção em sistema de comunicações de acesso múltiplo de divisão de código microcelular e unidade de assinante em sistema de comunicações de acesso múltiplo de divisão de código |
Country Status (13)
Country | Link |
---|---|
US (1) | US5446727A (pt) |
EP (1) | EP0695484B1 (pt) |
JP (1) | JP3565856B2 (pt) |
KR (1) | KR0177268B1 (pt) |
CN (1) | CN1065094C (pt) |
BR (1) | BR9405751A (pt) |
DE (1) | DE4499436B3 (pt) |
FI (1) | FI112746B (pt) |
GB (1) | GB2290200B (pt) |
RU (1) | RU2122290C1 (pt) |
SE (1) | SE521574C2 (pt) |
SG (1) | SG69960A1 (pt) |
WO (1) | WO1995015626A1 (pt) |
Families Citing this family (70)
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US5659574A (en) | 1994-09-09 | 1997-08-19 | Omnipoint Corporation | Multi-bit correlation of continuous phase modulated signals |
US5629956A (en) | 1994-09-09 | 1997-05-13 | Omnipoint Corporation | Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal |
US5680414A (en) | 1994-09-09 | 1997-10-21 | Omnipoint Corporation | Synchronization apparatus and method for spread spectrum receiver |
US5832028A (en) | 1994-09-09 | 1998-11-03 | Omnipoint Corporation | Method and apparatus for coherent serial correlation of a spread spectrum signal |
US5754585A (en) | 1994-09-09 | 1998-05-19 | Omnipoint Corporation | Method and apparatus for serial noncoherent correlation of a spread spectrum signal |
US5692007A (en) | 1994-09-09 | 1997-11-25 | Omnipoint Corporation | Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation |
US5881100A (en) | 1994-09-09 | 1999-03-09 | Omnipoint Corporation | Method and apparatus for coherent correlation of a spread spectrum signal |
US5953370A (en) | 1994-09-09 | 1999-09-14 | Omnipoint Corporation | Apparatus for receiving and correlating a spread spectrum signal |
US5648982A (en) | 1994-09-09 | 1997-07-15 | Omnipoint Corporation | Spread spectrum transmitter |
US5627856A (en) | 1994-09-09 | 1997-05-06 | Omnipoint Corporation | Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators |
US5754584A (en) | 1994-09-09 | 1998-05-19 | Omnipoint Corporation | Non-coherent spread-spectrum continuous-phase modulation communication system |
US5757847A (en) | 1994-09-09 | 1998-05-26 | Omnipoint Corporation | Method and apparatus for decoding a phase encoded signal |
US5856998A (en) | 1994-09-09 | 1999-01-05 | Omnipoint Corporation | Method and apparatus for correlating a continuous phase modulated spread spectrum signal |
US5963586A (en) | 1994-09-09 | 1999-10-05 | Omnipoint Corporation | Method and apparatus for parallel noncoherent correlation of a spread spectrum signal |
US5610940A (en) | 1994-09-09 | 1997-03-11 | Omnipoint Corporation | Method and apparatus for noncoherent reception and correlation of a continous phase modulated signal |
US6334219B1 (en) * | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
USRE42236E1 (en) | 1995-02-06 | 2011-03-22 | Adc Telecommunications, Inc. | Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing |
US7280564B1 (en) | 1995-02-06 | 2007-10-09 | Adc Telecommunications, Inc. | Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing |
US5689502A (en) * | 1995-06-05 | 1997-11-18 | Omnipoint Corporation | Efficient frequency division duplex communication system with interleaved format and timing adjustment control |
US5745484A (en) | 1995-06-05 | 1998-04-28 | Omnipoint Corporation | Efficient communication system using time division multiplexing and timing adjustment control |
US5959980A (en) | 1995-06-05 | 1999-09-28 | Omnipoint Corporation | Timing adjustment control for efficient time division duplex communication |
US5802046A (en) * | 1995-06-05 | 1998-09-01 | Omnipoint Corporation | Efficient time division duplex communication system with interleaved format and timing adjustment control |
US6041046A (en) * | 1995-07-14 | 2000-03-21 | Omnipoint Corporation | Cyclic time hopping in time division multiple access communication system |
JP3780551B2 (ja) | 1996-01-29 | 2006-05-31 | ソニー株式会社 | 多元接続による信号送信方法及び装置 |
US6134215A (en) * | 1996-04-02 | 2000-10-17 | Qualcomm Incorpoated | Using orthogonal waveforms to enable multiple transmitters to share a single CDM channel |
US6101176A (en) * | 1996-07-24 | 2000-08-08 | Nokia Mobile Phones | Method and apparatus for operating an indoor CDMA telecommunications system |
US5757846A (en) * | 1996-08-30 | 1998-05-26 | Vasudevan; Subramanian | CDMA communication system and method with dual-mode receiver |
US6243372B1 (en) | 1996-11-14 | 2001-06-05 | Omnipoint Corporation | Methods and apparatus for synchronization in a wireless network |
US6085076A (en) * | 1997-04-07 | 2000-07-04 | Omnipoint Corporation | Antenna diversity for wireless communication system |
US5867525A (en) * | 1997-06-10 | 1999-02-02 | L-3 Commuications Corporation | Synchronizer and method therefor and communications system incorporating same |
DE29710331U1 (de) * | 1997-06-13 | 1997-08-14 | TechniSat Digital GmbH, 01462 Mobschatz | Satellitenübertragungssystem zur digitalen Datenübertragung über Unterträgerfrequenzen |
US6081536A (en) | 1997-06-20 | 2000-06-27 | Tantivy Communications, Inc. | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US6542481B2 (en) | 1998-06-01 | 2003-04-01 | Tantivy Communications, Inc. | Dynamic bandwidth allocation for multiple access communication using session queues |
US6005889A (en) * | 1997-07-17 | 1999-12-21 | Nokia | Pseudo-random noise detector for signals having a carrier frequency offset |
US6205131B1 (en) | 1997-12-16 | 2001-03-20 | Sony Corporation | Broadband implementation of supplemental code channel carrier phase offsets |
US7496072B2 (en) | 1997-12-17 | 2009-02-24 | Interdigital Technology Corporation | System and method for controlling signal strength over a reverse link of a CDMA wireless communication system |
US7936728B2 (en) | 1997-12-17 | 2011-05-03 | Tantivy Communications, Inc. | System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system |
US6222832B1 (en) * | 1998-06-01 | 2001-04-24 | Tantivy Communications, Inc. | Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system |
US7079523B2 (en) * | 2000-02-07 | 2006-07-18 | Ipr Licensing, Inc. | Maintenance link using active/standby request channels |
US7394791B2 (en) | 1997-12-17 | 2008-07-01 | Interdigital Technology Corporation | Multi-detection of heartbeat to reduce error probability |
US9525923B2 (en) | 1997-12-17 | 2016-12-20 | Intel Corporation | Multi-detection of heartbeat to reduce error probability |
KR100407355B1 (ko) * | 1998-02-14 | 2004-04-03 | 삼성전자주식회사 | 이동통신시스템의역방향링크시간정렬장치및방법 |
US6188716B1 (en) | 1998-03-02 | 2001-02-13 | Pan Atlantic Corporation | Radio and communication method using a transmitted intermediate frequency |
US7221664B2 (en) * | 1998-06-01 | 2007-05-22 | Interdigital Technology Corporation | Transmittal of heartbeat signal at a lower level than heartbeat request |
US8134980B2 (en) | 1998-06-01 | 2012-03-13 | Ipr Licensing, Inc. | Transmittal of heartbeat signal at a lower level than heartbeat request |
US7773566B2 (en) | 1998-06-01 | 2010-08-10 | Tantivy Communications, Inc. | System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system |
US6215780B1 (en) * | 1998-07-17 | 2001-04-10 | Motorola, Inc. | Method and system for synchronous code division multiplexed communications |
JP3031341B2 (ja) * | 1998-07-28 | 2000-04-10 | 日本電気株式会社 | ランダムアクセスチャネル用受信装置 |
US6965778B1 (en) | 1999-04-08 | 2005-11-15 | Ipr Licensing, Inc. | Maintenance of channel usage in a wireless communication system |
US6765894B1 (en) * | 1999-07-05 | 2004-07-20 | Matsushita Electric Industrial Co, Ltd. | Communication terminal apparatus and base station apparatus |
US6882631B1 (en) * | 1999-09-13 | 2005-04-19 | Qualcomm Incorporated | Method and apparatus for overlaying two CDMA systems on the same frequency bandwidth |
CN1154269C (zh) * | 1999-09-28 | 2004-06-16 | 西门子(中国)有限公司 | 在码分多址移动通信***中保持上链同步的方法和*** |
DE19953486C2 (de) * | 1999-11-06 | 2003-08-14 | Siemens Ag | Verfahren zur Synchronisation einer Signalübertragung in Aufwärtsrichtung in einem Funk-Kommunikationssystem |
KR100980343B1 (ko) | 2000-02-07 | 2010-09-06 | 아이피알 라이센싱, 인코포레이티드 | 액티브/대기 요청 채널을 사용하는 유지 링크 |
AU3673001A (en) | 2000-02-07 | 2001-08-14 | Tantivy Communications, Inc. | Minimal maintenance link to support synchronization |
EP1257077A4 (en) * | 2000-02-17 | 2005-01-19 | Linkair Comm Inc | METHOD FOR STRIP TAPE MULTIPLEX ACCESS CODING WITH A ZERO CORRELATION WINDOW |
FR2806158B1 (fr) * | 2000-03-07 | 2002-05-17 | Commissariat Energie Atomique | Procede pour determiner la position ou l'orientation d'un objet a l'aide d'un champ magnetique et dispositif correspondant |
FR2807589B1 (fr) * | 2000-04-07 | 2003-08-29 | Cit Alcatel | Procede d'ajustement des instants d'emission dans un systeme de radiocommunications mobiles |
US8155096B1 (en) | 2000-12-01 | 2012-04-10 | Ipr Licensing Inc. | Antenna control system and method |
US7551663B1 (en) | 2001-02-01 | 2009-06-23 | Ipr Licensing, Inc. | Use of correlation combination to achieve channel detection |
US6954448B2 (en) | 2001-02-01 | 2005-10-11 | Ipr Licensing, Inc. | Alternate channel for carrying selected message types |
SG185139A1 (en) | 2001-06-13 | 2012-11-29 | Ipr Licensing Inc | Transmittal of heartbeat signal at a lower level than heartbeat request |
JP3527501B1 (ja) * | 2002-11-08 | 2004-05-17 | 松下電器産業株式会社 | 無線通信基地局装置および遅延プロファイル平均化方法 |
JP4387773B2 (ja) * | 2003-11-25 | 2009-12-24 | アルプス電気株式会社 | 容量検出回路及び検出方法並びにそれを用いた指紋センサ |
US8199791B2 (en) * | 2005-06-08 | 2012-06-12 | Polycom, Inc. | Mixed voice and spread spectrum data signaling with enhanced concealment of data |
Family Cites Families (11)
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DE3511430A1 (de) * | 1985-03-29 | 1986-10-02 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zur synchronisierung der empfangseinrichtungen in einem digitalen multiplex-uebertragungssystem |
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JPH07112189B2 (ja) * | 1989-12-07 | 1995-11-29 | 日本電気株式会社 | 信号検出方式 |
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US5164958A (en) * | 1991-05-22 | 1992-11-17 | Cylink Corporation | Spread spectrum cellular handoff method |
US5235615A (en) * | 1991-05-22 | 1993-08-10 | Cylink Corporation | Spread spectrum method |
US5177765A (en) * | 1991-06-03 | 1993-01-05 | Spectralink Corporation | Direct-sequence spread-spectrum digital signal acquisition and tracking system and method therefor |
US5268933A (en) * | 1991-09-27 | 1993-12-07 | Motorola, Inc. | Data packet alignment in a communication system |
US5257404A (en) * | 1991-10-04 | 1993-10-26 | Motorola, Inc. | Simulcast synchronization and equalization system and method therefor |
DE69218913T2 (de) * | 1992-01-31 | 1997-07-17 | Cit Alcatel | Verfahren zur Bestimmung der Laufzeit zwischen einer entfernten Endstation und einer zentralen Endstation, in einem bidirektionalen Punkt-zu-Mehrpunkt-Übertragungssystem |
US5329547A (en) * | 1993-03-11 | 1994-07-12 | Motorola, Inc. | Method and apparatus for coherent communication in a spread-spectrum communication system |
-
1993
- 1993-11-30 US US08/159,633 patent/US5446727A/en not_active Expired - Lifetime
-
1994
- 1994-11-03 RU RU95116289A patent/RU2122290C1/ru active
- 1994-11-03 BR BR9405751A patent/BR9405751A/pt not_active IP Right Cessation
- 1994-11-03 CN CN941910407A patent/CN1065094C/zh not_active Expired - Lifetime
- 1994-11-03 GB GB9515712A patent/GB2290200B/en not_active Expired - Lifetime
- 1994-11-03 WO PCT/US1994/012635 patent/WO1995015626A1/en active IP Right Grant
- 1994-11-03 JP JP51560495A patent/JP3565856B2/ja not_active Expired - Lifetime
- 1994-11-03 SG SG1996003819A patent/SG69960A1/en unknown
- 1994-11-03 EP EP95930323A patent/EP0695484B1/en not_active Expired - Lifetime
- 1994-11-03 DE DE4499436A patent/DE4499436B3/de not_active Expired - Lifetime
- 1994-11-03 KR KR1019950703144A patent/KR0177268B1/ko not_active IP Right Cessation
-
1995
- 1995-07-12 FI FI953407A patent/FI112746B/fi not_active IP Right Cessation
- 1995-07-27 SE SE9502704A patent/SE521574C2/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE4499436B3 (de) | 2005-07-28 |
GB2290200B (en) | 1998-07-22 |
EP0695484B1 (en) | 2000-07-26 |
JPH10508435A (ja) | 1998-08-18 |
US5446727A (en) | 1995-08-29 |
GB9515712D0 (en) | 1995-10-11 |
JP3565856B2 (ja) | 2004-09-15 |
GB2290200A (en) | 1995-12-13 |
FI953407A (fi) | 1995-07-12 |
CN1116889A (zh) | 1996-02-14 |
FI112746B (fi) | 2003-12-31 |
EP0695484A1 (en) | 1996-02-07 |
SE9502704L (sv) | 1995-09-29 |
KR960700595A (ko) | 1996-01-20 |
RU2122290C1 (ru) | 1998-11-20 |
FI953407A0 (fi) | 1995-07-12 |
KR0177268B1 (ko) | 1999-05-15 |
SG69960A1 (en) | 2000-01-25 |
CN1065094C (zh) | 2001-04-25 |
SE9502704D0 (sv) | 1995-07-27 |
SE521574C2 (sv) | 2003-11-11 |
EP0695484A4 (en) | 1997-09-03 |
WO1995015626A1 (en) | 1995-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B25D | Requested change of name of applicant approved |
Owner name: MOTOROLA SOLUTIONS, INC. (US) |
|
B25A | Requested transfer of rights approved |
Owner name: MOTOROLA MOBILITY, INC. (US) |
|
B25G | Requested change of headquarter approved |
Owner name: MOTOROLA MOBILITY, INC. (US) |
|
B25E | Requested change of name of applicant rejected |
Owner name: MOTOROLA MOBILITY, INC. (US) Free format text: INDEFERIDA A ALTERACAO DE NOME SOLICITADA ATRAVES DA PETICAO NO 020130025880-RJ, DE 28/03/2013, UMA VEZ QUE NAO FOI PAGA A RESPECTIVA TAXA DE RETRIBUICAO. |
|
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 03/11/2014 |
|
B25E | Requested change of name of applicant rejected |
Owner name: MOTOROLA MOBILITY, INC. (US) |
|
B15K | Others concerning applications: alteration of classification |
Ipc: H04J 3/06 (2006.01), H04L 7/00 (2006.0 |