GB0105872D0 - Method and apparatus for code group identification and frame synchronization in DS-CDMA systems - Google Patents
Method and apparatus for code group identification and frame synchronization in DS-CDMA systemsInfo
- Publication number
- GB0105872D0 GB0105872D0 GB0105872A GB0105872A GB0105872D0 GB 0105872 D0 GB0105872 D0 GB 0105872D0 GB 0105872 A GB0105872 A GB 0105872A GB 0105872 A GB0105872 A GB 0105872A GB 0105872 D0 GB0105872 D0 GB 0105872D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- frame synchronization
- group identification
- code group
- cdma systems
- cdma
- 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
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
- H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
- H04B1/70752—Partial correlation
-
- 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
- H04B1/70735—Code identification
-
- 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
- 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
- H04B2201/70707—Efficiency-related aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW89122777A TW490981B (en) | 2000-10-30 | 2000-10-30 | Method and device for code group identification and frame boundary synchronization |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0105872D0 true GB0105872D0 (en) | 2001-04-25 |
GB2368753A GB2368753A (en) | 2002-05-08 |
GB2368753B GB2368753B (en) | 2002-12-31 |
Family
ID=21661719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0105872A Expired - Lifetime GB2368753B (en) | 2000-10-30 | 2001-03-09 | Method and apparatus for code group identification and frame synchronization in DS-CDMA systems |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE10110708C2 (en) |
FR (1) | FR2816142B1 (en) |
GB (1) | GB2368753B (en) |
TW (1) | TW490981B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100622149B1 (en) | 2004-11-25 | 2006-09-19 | 주식회사 팬택 | Apparatus and method for acquiring code group in asynchronous W-CDMA |
KR100614745B1 (en) * | 2004-12-29 | 2006-08-21 | 에스케이텔레콤 주식회사 | Method and apparatus for acquiring code group in asynchronous wideband code division multiple access system using receiver diversity |
US7965759B2 (en) | 2005-10-28 | 2011-06-21 | Qualcomm Incorporated | Synchronization codes for wireless communication |
US8116354B2 (en) | 2008-06-13 | 2012-02-14 | Mediatek Inc. | Sync detection device and method for GNSS |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2323751B (en) * | 1994-07-01 | 1998-12-16 | Motorola Inc | Method and apparatus for establishing a communication link |
US6144649A (en) * | 1997-02-27 | 2000-11-07 | Motorola, Inc. | Method and apparatus for acquiring a pilot signal in a CDMA receiver |
US5991330A (en) * | 1997-06-27 | 1999-11-23 | Telefonaktiebolaget L M Ericsson (Pub1) | Mobile Station synchronization within a spread spectrum communication systems |
US6185244B1 (en) * | 1997-08-29 | 2001-02-06 | Telefonaktiebolaget Lm Ericsson | Cell searching in a CDMA communications system |
WO2000057569A1 (en) * | 1999-03-22 | 2000-09-28 | Texas Instruments Incorporated | Multistage pn code acquisition circuit and method |
KR100591972B1 (en) * | 1999-05-28 | 2006-06-21 | 인터디지탈 테크날러지 코포레이션 | Cell search procedure for time division duplex communication systems using code division multiple access |
-
2000
- 2000-10-30 TW TW89122777A patent/TW490981B/en not_active IP Right Cessation
-
2001
- 2001-03-06 DE DE2001110708 patent/DE10110708C2/en not_active Expired - Lifetime
- 2001-03-09 GB GB0105872A patent/GB2368753B/en not_active Expired - Lifetime
- 2001-05-30 FR FR0107080A patent/FR2816142B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2368753B (en) | 2002-12-31 |
FR2816142A1 (en) | 2002-05-03 |
GB2368753A (en) | 2002-05-08 |
DE10110708C2 (en) | 2003-07-31 |
TW490981B (en) | 2002-06-11 |
DE10110708A1 (en) | 2002-05-16 |
FR2816142B1 (en) | 2004-10-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20210308 |