WO2001071956A1 - Method and apparatus for long code generation in synchronous, multi-chip rate systems - Google Patents
Method and apparatus for long code generation in synchronous, multi-chip rate systems Download PDFInfo
- Publication number
- WO2001071956A1 WO2001071956A1 PCT/US2001/007856 US0107856W WO0171956A1 WO 2001071956 A1 WO2001071956 A1 WO 2001071956A1 US 0107856 W US0107856 W US 0107856W WO 0171956 A1 WO0171956 A1 WO 0171956A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- code sequence
- code
- long
- long code
- modulo
- Prior art date
Links
Classifications
-
- 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
- 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
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
-
- 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
- H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002373469A CA2373469A1 (en) | 2000-03-16 | 2001-03-12 | Method and apparatus for long code generation in synchronous, multi-chip rate systems |
JP2001570006A JP2003528537A (en) | 2000-03-16 | 2001-03-12 | Method and apparatus for generating long codes in a synchronous multiple chip rate system |
KR1020017014573A KR20020031101A (en) | 2000-03-16 | 2001-03-12 | Method and apparatus for long code generation in synchronous, multi-chip rate systems |
AU2001249159A AU2001249159A1 (en) | 2000-03-16 | 2001-03-12 | Method and apparatus for long code generation in synchronous, multi-chip rate systems |
EP01922344A EP1183807A4 (en) | 2000-03-16 | 2001-03-12 | Method and apparatus for long code generation in synchronous, multi-chip rate systems |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/526,643 | 2000-03-16 | ||
US09/526,643 US6724778B1 (en) | 2000-03-16 | 2000-03-16 | Method and apparatus for long code generation in synchronous, multi-chip rate systems |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001071956A1 true WO2001071956A1 (en) | 2001-09-27 |
Family
ID=24098156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/007856 WO2001071956A1 (en) | 2000-03-16 | 2001-03-12 | Method and apparatus for long code generation in synchronous, multi-chip rate systems |
Country Status (8)
Country | Link |
---|---|
US (2) | US6724778B1 (en) |
EP (1) | EP1183807A4 (en) |
JP (1) | JP2003528537A (en) |
KR (1) | KR20020031101A (en) |
CN (1) | CN1364359A (en) |
AU (1) | AU2001249159A1 (en) |
CA (1) | CA2373469A1 (en) |
WO (1) | WO2001071956A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003081823A1 (en) * | 2002-03-04 | 2003-10-02 | The National University Of Singapore | Cdma system with frequency domain equalization |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002305631B2 (en) * | 2001-05-17 | 2007-01-04 | Cook Medical Technologies Llc | Intragastric device for treating obesity |
KR100424538B1 (en) * | 2001-05-29 | 2004-03-27 | 엘지전자 주식회사 | Method for producing scrambling code and apparatus thereof in mobile system |
US7130626B2 (en) * | 2003-11-24 | 2006-10-31 | Qualcomm, Inc. | Access terminal identification management |
US8102900B2 (en) * | 2006-04-07 | 2012-01-24 | Broadcom Corporation | Method and apparatus for efficient gold code generation and management in WCDMA systems |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5727064A (en) * | 1995-07-03 | 1998-03-10 | Lucent Technologies Inc. | Cryptographic system for wireless communications |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04347943A (en) * | 1990-11-13 | 1992-12-03 | Ricoh Co Ltd | Spectrum spread communication system, synchronizing system, and modulating/demodulating system |
ZA965340B (en) * | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US5790891A (en) * | 1996-01-11 | 1998-08-04 | Galileo Technology Ltd. | Synchronizing unit having two registers serially connected to one clocked elements and a latch unit for alternately activating the registers in accordance to clock signals |
US5878075A (en) * | 1996-07-26 | 1999-03-02 | Motorola, Inc. | Method of and apparatus for generating a pseudorandom noise sequence |
US6055264A (en) * | 1997-08-01 | 2000-04-25 | Nokia Mobile Phones Limited | Method and apparatus for fast acquisition and multipath search in a spread spectrum system |
US6389138B1 (en) * | 1998-11-12 | 2002-05-14 | Lucent Technologies Inc. | Method and apparatus for generating a complex scrambling code sequence |
KR100315709B1 (en) * | 1998-12-29 | 2002-02-28 | 윤종용 | Channel Spreader and Method in Mobile Communication System |
TW472468B (en) * | 1999-05-10 | 2002-01-11 | Sony Electronics Inc | A scalable method for generating long codes using gold sequences |
US6643280B1 (en) * | 1999-10-27 | 2003-11-04 | Lucent Technologies Inc. | Method and apparatus for generation of CDMA long codes |
SG151071A1 (en) * | 2000-11-06 | 2009-04-30 | Ntt Docomo Inc | Mobile communication system in multi-carrier cdma scheme using short code and long code |
-
2000
- 2000-03-16 US US09/526,643 patent/US6724778B1/en not_active Expired - Fee Related
-
2001
- 2001-03-12 CN CN01800547A patent/CN1364359A/en active Pending
- 2001-03-12 JP JP2001570006A patent/JP2003528537A/en active Pending
- 2001-03-12 WO PCT/US2001/007856 patent/WO2001071956A1/en not_active Application Discontinuation
- 2001-03-12 CA CA002373469A patent/CA2373469A1/en not_active Abandoned
- 2001-03-12 EP EP01922344A patent/EP1183807A4/en not_active Withdrawn
- 2001-03-12 KR KR1020017014573A patent/KR20020031101A/en not_active Application Discontinuation
- 2001-03-12 AU AU2001249159A patent/AU2001249159A1/en not_active Abandoned
-
2004
- 2004-03-04 US US10/794,891 patent/US20040170142A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5727064A (en) * | 1995-07-03 | 1998-03-10 | Lucent Technologies Inc. | Cryptographic system for wireless communications |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003081823A1 (en) * | 2002-03-04 | 2003-10-02 | The National University Of Singapore | Cdma system with frequency domain equalization |
Also Published As
Publication number | Publication date |
---|---|
US20040170142A1 (en) | 2004-09-02 |
CN1364359A (en) | 2002-08-14 |
KR20020031101A (en) | 2002-04-26 |
CA2373469A1 (en) | 2001-09-27 |
JP2003528537A (en) | 2003-09-24 |
US6724778B1 (en) | 2004-04-20 |
AU2001249159A1 (en) | 2001-10-03 |
EP1183807A4 (en) | 2004-09-29 |
EP1183807A1 (en) | 2002-03-06 |
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