CN1127812C - 在cdma通信***中对由时钟抖动引起的相位误差的补偿 - Google Patents
在cdma通信***中对由时钟抖动引起的相位误差的补偿 Download PDFInfo
- Publication number
- CN1127812C CN1127812C CN99805166A CN99805166A CN1127812C CN 1127812 C CN1127812 C CN 1127812C CN 99805166 A CN99805166 A CN 99805166A CN 99805166 A CN99805166 A CN 99805166A CN 1127812 C CN1127812 C CN 1127812C
- Authority
- CN
- China
- Prior art keywords
- clock signal
- internal
- internal clocking
- growth data
- internal clock
- 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
- H04B1/7073—Synchronisation aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/216,260 US6366604B1 (en) | 1998-12-18 | 1998-12-18 | Compensation for phase errors caused by clock jitter in a CDMA communication system |
US09/216260 | 1998-12-18 | ||
US09/216,260 | 1998-12-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1297624A CN1297624A (zh) | 2001-05-30 |
CN1127812C true CN1127812C (zh) | 2003-11-12 |
Family
ID=22806385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99805166A Expired - Fee Related CN1127812C (zh) | 1998-12-18 | 1999-12-13 | 在cdma通信***中对由时钟抖动引起的相位误差的补偿 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6366604B1 (zh) |
EP (1) | EP1057281B1 (zh) |
JP (1) | JP4387063B2 (zh) |
KR (1) | KR100697406B1 (zh) |
CN (1) | CN1127812C (zh) |
DE (1) | DE69935581T2 (zh) |
TW (1) | TW469711B (zh) |
WO (1) | WO2000038344A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6766148B1 (en) * | 2000-03-21 | 2004-07-20 | Koninklijke Phillips Electronics N.V. | Switched sideband frequency low-IF transmitter |
DE60132643T2 (de) * | 2000-03-28 | 2009-01-08 | Interdigital Technology Corp., Wilmington | CDMA system, welches vor dem Senden eine Vordrehung benutzt |
US6463110B1 (en) * | 2001-03-21 | 2002-10-08 | Motorola, Inc. | Timing synchronization in a communication device |
KR100588753B1 (ko) * | 2001-12-13 | 2006-06-13 | 매그나칩 반도체 유한회사 | 위상쉬프트키잉 방식의 변조기 |
RU2443057C1 (ru) * | 2008-03-04 | 2012-02-20 | Нек Корпорейшн | Способ мультиплексирования сигнала, способ демультиплексирования сигнала, способ корректировки опорной частоты цифрового сигнала, мультиплексирующее устройство, демультиплексирующее устройство, система радиосвязи и устройство корректировки опорной частоты цифрового сигнала |
US7739433B2 (en) | 2008-03-05 | 2010-06-15 | Microchip Technology Incorporated | Sharing bandwidth of a single port SRAM between at least one DMA peripheral and a CPU operating with a quadrature clock |
JP5830361B2 (ja) * | 2011-11-14 | 2015-12-09 | 株式会社Nttドコモ | 移動通信方法、無線基地局及び移動局 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4144579A (en) | 1977-07-25 | 1979-03-13 | Rca Corporation | Arithmetic synthesizer frequency generation with reduced phase jitter |
US4445118A (en) * | 1981-05-22 | 1984-04-24 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Navigation system and method |
US5016259A (en) | 1989-03-03 | 1991-05-14 | The Grass Valley Group, Inc. | Low jitter DDFS FSK modulator |
GB2242800B (en) | 1990-04-03 | 1993-11-24 | Sony Corp | Digital phase detector arrangements |
EP0654914B1 (en) * | 1993-11-19 | 2003-08-27 | Victor Company Of Japan, Limited | Spread spectrum communication switchable between FSK and PSK |
US5651035A (en) * | 1995-04-28 | 1997-07-22 | International Microcircuits, Inc. | Apparatus for reducing jitter of a spectrum spread clock signal and method therefor |
ZA965340B (en) * | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US6049535A (en) * | 1996-06-27 | 2000-04-11 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US5872810A (en) * | 1996-01-26 | 1999-02-16 | Imec Co. | Programmable modem apparatus for transmitting and receiving digital data, design method and use method for said modem |
US5786778A (en) | 1995-10-05 | 1998-07-28 | Analog Devices, Inc. | Variable sample-rate DAC/ADC/converter system |
JPH09270827A (ja) * | 1996-04-01 | 1997-10-14 | Advantest Corp | デジタル直交変調信号のパラメータ測定装置 |
US5838744A (en) * | 1996-10-22 | 1998-11-17 | Talx Corporation | High speed modem and method having jitter-free timing recovery |
JPH1141141A (ja) * | 1997-05-21 | 1999-02-12 | Mitsubishi Electric Corp | スペクトル拡散信号受信方法及びスペクトル拡散信号受信装置 |
US6205167B1 (en) * | 1997-12-23 | 2001-03-20 | Philips Electronics North America Corporation | Apparatus and method for code tracking in an IS-95 spread spectrum communications system |
-
1998
- 1998-12-18 US US09/216,260 patent/US6366604B1/en not_active Expired - Lifetime
-
1999
- 1999-12-13 DE DE69935581T patent/DE69935581T2/de not_active Expired - Lifetime
- 1999-12-13 KR KR1020007009058A patent/KR100697406B1/ko not_active IP Right Cessation
- 1999-12-13 EP EP99959406A patent/EP1057281B1/en not_active Expired - Lifetime
- 1999-12-13 WO PCT/EP1999/009817 patent/WO2000038344A1/en active IP Right Grant
- 1999-12-13 JP JP2000590319A patent/JP4387063B2/ja not_active Expired - Fee Related
- 1999-12-13 CN CN99805166A patent/CN1127812C/zh not_active Expired - Fee Related
-
2000
- 2000-01-20 TW TW089100888A patent/TW469711B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US6366604B1 (en) | 2002-04-02 |
KR20010041026A (ko) | 2001-05-15 |
EP1057281A1 (en) | 2000-12-06 |
DE69935581D1 (de) | 2007-05-03 |
TW469711B (en) | 2001-12-21 |
WO2000038344A1 (en) | 2000-06-29 |
EP1057281B1 (en) | 2007-03-21 |
JP2002533982A (ja) | 2002-10-08 |
DE69935581T2 (de) | 2007-11-29 |
CN1297624A (zh) | 2001-05-30 |
JP4387063B2 (ja) | 2009-12-16 |
KR100697406B1 (ko) | 2007-03-20 |
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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: 20070831 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20070831 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: 20031112 Termination date: 20181213 |