CN1284226A - 生成复数伪随机序列以便处理码分多址信号的方法和系统 - Google Patents
生成复数伪随机序列以便处理码分多址信号的方法和系统 Download PDFInfo
- Publication number
- CN1284226A CN1284226A CN98813292A CN98813292A CN1284226A CN 1284226 A CN1284226 A CN 1284226A CN 98813292 A CN98813292 A CN 98813292A CN 98813292 A CN98813292 A CN 98813292A CN 1284226 A CN1284226 A CN 1284226A
- Authority
- CN
- China
- Prior art keywords
- plural
- chip
- previous
- pseudo random
- sequencer
- 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
- 238000000034 method Methods 0.000 title claims description 37
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000004044 response Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 description 13
- 230000008859 change Effects 0.000 description 8
- 238000007493 shaping process Methods 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012421 spiking Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
-
- 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
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Time-Division Multiplex Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/012,927 | 1998-01-24 | ||
US09/012,927 US6246697B1 (en) | 1998-01-24 | 1998-01-24 | Method and system for generating a complex pseudonoise sequence for processing a code division multiple access signal |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1284226A true CN1284226A (zh) | 2001-02-14 |
CN1132361C CN1132361C (zh) | 2003-12-24 |
Family
ID=21757407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN988132923A Expired - Lifetime CN1132361C (zh) | 1998-01-24 | 1998-12-29 | 生成复数伪随机序列以便处理码分多址信号的方法和系统 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6246697B1 (zh) |
EP (1) | EP1053613B1 (zh) |
JP (1) | JP3759695B2 (zh) |
KR (1) | KR100344600B1 (zh) |
CN (1) | CN1132361C (zh) |
BR (1) | BR9814785B1 (zh) |
CA (1) | CA2318271C (zh) |
DE (1) | DE69833803T2 (zh) |
IL (1) | IL137059A (zh) |
WO (1) | WO1999038337A2 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016045384A1 (zh) * | 2014-09-26 | 2016-03-31 | 中兴通讯股份有限公司 | 一种扩频处理方法及装置 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100269593B1 (ko) | 1997-12-02 | 2000-10-16 | 정선종 | 다중 채널을 위한 직교 복소 확산 방법 및 그 장치 |
KR100381012B1 (ko) | 1998-05-04 | 2003-08-19 | 한국전자통신연구원 | 부호분할 다중접속 방식에서 상향 공통 채널의 임의 접속 장치및 방법 |
US6788728B1 (en) * | 1999-01-12 | 2004-09-07 | Sony Corporation | System and method for reducing peak-to-average ratio of the reverse link modulator in a CDMA phone system |
US6611567B1 (en) * | 1999-01-29 | 2003-08-26 | Agere Systems, Inc. | Method and apparatus for pulse shaping |
FI108182B (fi) * | 1999-03-23 | 2001-11-30 | Nokia Networks Oy | Menetelmä päivittää koodigeneraattorin lineaarinen palautesiirtorekisteri |
KR20000073917A (ko) * | 1999-05-15 | 2000-12-05 | 윤종용 | 비동기식 부호분할다중접속 통신시스템의 동기워드 생성 및 송수신장치 및 방법 |
CN1148989C (zh) * | 1999-05-31 | 2004-05-05 | 韩国电子通信研究院 | 使用正交可变扩展系数码来调制数据消息的装置和方法 |
KR100792993B1 (ko) * | 2002-04-08 | 2008-01-08 | 엘지전자 주식회사 | 이동통신시스템에서 정보 신호 구분 방법 |
DE60336013D1 (de) | 2002-12-20 | 2011-03-24 | Smith & Nephew Inc | Hochleistungsknieprothese |
CN107819719B (zh) | 2004-12-23 | 2020-12-25 | 韩国电子通信研究院 | 用于发送和接收数据以提供高速数据通信的设备及方法 |
WO2007037008A1 (ja) * | 2005-09-29 | 2007-04-05 | Fujitsu Limited | 送受信装置及び送受信方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3947674A (en) * | 1967-09-28 | 1976-03-30 | International Telephone And Telegraph Corporation | Code generator to produce permutations of code mates |
US4774715A (en) * | 1987-03-11 | 1988-09-27 | Telesystems Slw Inc. | Device for demodulating a spread spectrum signal |
JPH0748707B2 (ja) * | 1988-09-06 | 1995-05-24 | 三菱電機株式会社 | 直接拡散変調装置 |
US5157688A (en) * | 1991-03-14 | 1992-10-20 | Hughes Aircraft Company | Spread spectrum transmitter for degrading spread spectrum feature detectors |
US5687166A (en) * | 1992-11-24 | 1997-11-11 | Stanford Telecommunications, Inc. | Modulation system for spread spectrum CDMA communication |
US5440597A (en) * | 1993-11-23 | 1995-08-08 | Nokia Mobile Phones Ltd. | Double dwell maximum likelihood acquisition system with continuous decision making for CDMA and direct spread spectrum system |
JPH0865264A (ja) * | 1994-08-17 | 1996-03-08 | Nippon Motorola Ltd | スペクトル拡散変調を用いたcdma方式の通信方法及び通信装置 |
JPH08288928A (ja) * | 1995-04-14 | 1996-11-01 | Toshiba Corp | スペクトラム拡散通信装置 |
JPH09223983A (ja) * | 1996-02-16 | 1997-08-26 | Fujitsu Ltd | スペクトラム拡散通信用送信機及び受信機 |
-
1998
- 1998-01-24 US US09/012,927 patent/US6246697B1/en not_active Expired - Lifetime
- 1998-12-29 EP EP98966754A patent/EP1053613B1/en not_active Expired - Lifetime
- 1998-12-29 CA CA002318271A patent/CA2318271C/en not_active Expired - Lifetime
- 1998-12-29 JP JP2000529091A patent/JP3759695B2/ja not_active Expired - Lifetime
- 1998-12-29 DE DE69833803T patent/DE69833803T2/de not_active Expired - Lifetime
- 1998-12-29 BR BRPI9814785-4A patent/BR9814785B1/pt not_active IP Right Cessation
- 1998-12-29 IL IL13705998A patent/IL137059A/xx not_active IP Right Cessation
- 1998-12-29 KR KR1020007008055A patent/KR100344600B1/ko not_active IP Right Cessation
- 1998-12-29 CN CN988132923A patent/CN1132361C/zh not_active Expired - Lifetime
- 1998-12-29 WO PCT/US1998/027804 patent/WO1999038337A2/en active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016045384A1 (zh) * | 2014-09-26 | 2016-03-31 | 中兴通讯股份有限公司 | 一种扩频处理方法及装置 |
CN105515608A (zh) * | 2014-09-26 | 2016-04-20 | 中兴通讯股份有限公司 | 一种扩频处理方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1053613A2 (en) | 2000-11-22 |
KR100344600B1 (ko) | 2002-07-20 |
IL137059A0 (en) | 2001-06-14 |
BR9814785A (pt) | 2000-11-28 |
WO1999038337A3 (en) | 1999-10-28 |
KR20010034329A (ko) | 2001-04-25 |
US6246697B1 (en) | 2001-06-12 |
BR9814785B1 (pt) | 2011-12-27 |
WO1999038337A2 (en) | 1999-07-29 |
DE69833803T2 (de) | 2006-08-17 |
CA2318271A1 (en) | 1999-07-29 |
EP1053613A4 (en) | 2004-09-29 |
JP2002502163A (ja) | 2002-01-22 |
DE69833803D1 (de) | 2006-05-04 |
IL137059A (en) | 2005-05-17 |
CA2318271C (en) | 2003-01-21 |
CN1132361C (zh) | 2003-12-24 |
JP3759695B2 (ja) | 2006-03-29 |
EP1053613B1 (en) | 2006-03-08 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOTOROLA MOBILE CO., LTD. Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20101230 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20101230 Address after: Illinois Instrunment Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois Instrunment Patentee before: Motorola, Inc. |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
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CP02 | Change in the address of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois Instrunment Patentee before: MOTOROLA MOBILITY, Inc. |
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TR01 | Transfer of patent right |
Effective date of registration: 20160616 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20031224 |