GB2287613B - Synchronisation apparatus - Google Patents

Synchronisation apparatus

Info

Publication number
GB2287613B
GB2287613B GB9502719A GB9502719A GB2287613B GB 2287613 B GB2287613 B GB 2287613B GB 9502719 A GB9502719 A GB 9502719A GB 9502719 A GB9502719 A GB 9502719A GB 2287613 B GB2287613 B GB 2287613B
Authority
GB
United Kingdom
Prior art keywords
synchronisation apparatus
synchronisation
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
Application number
GB9502719A
Other versions
GB2287613A (en
GB9502719D0 (en
Inventor
Anthony Peter Hulbert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Publication of GB9502719D0 publication Critical patent/GB9502719D0/en
Publication of GB2287613A publication Critical patent/GB2287613A/en
Application granted granted Critical
Publication of GB2287613B publication Critical patent/GB2287613B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • 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
    • H04B1/70712—Spread spectrum techniques using direct sequence modulation with demodulation by means of convolvers, e.g. of the SAW type
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2668—Arrangements for Wireless Code-Division Multiple Access [CDMA] System Synchronisation
    • 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
    • H04B1/709—Correlator structure
GB9502719A 1994-03-17 1995-02-07 Synchronisation apparatus Expired - Fee Related GB2287613B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9405297A GB9405297D0 (en) 1994-03-17 1994-03-17 Synchronisation apparatus

Publications (3)

Publication Number Publication Date
GB9502719D0 GB9502719D0 (en) 1995-04-05
GB2287613A GB2287613A (en) 1995-09-20
GB2287613B true GB2287613B (en) 1998-03-04

Family

ID=10752058

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9405297A Pending GB9405297D0 (en) 1994-03-17 1994-03-17 Synchronisation apparatus
GB9502719A Expired - Fee Related GB2287613B (en) 1994-03-17 1995-02-07 Synchronisation apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9405297A Pending GB9405297D0 (en) 1994-03-17 1994-03-17 Synchronisation apparatus

Country Status (1)

Country Link
GB (2) GB9405297D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6625200B1 (en) 1999-01-25 2003-09-23 Ericsson Inc. Multi-stage CDMA synchronization with parallel execution
GB2359456B (en) * 2000-02-19 2003-09-17 Nec Technologies Method for frequency offset estimation in a direct sequence spread spectrum communications receiver
US7010067B2 (en) 2001-01-12 2006-03-07 Renesas Technology America, Inc. Methods and apparatus for feature recognition time shift correlation
WO2002058275A1 (en) * 2001-01-17 2002-07-25 Roke Manor Research Limited Method of synchronising base station transmitters
CN1259785C (en) 2003-08-04 2006-06-14 大唐移动通信设备有限公司 Method for obtaining carrier frequency departure of time division synchronous CDMA (TD-SCDMA) user terminal and equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982075A (en) * 1974-09-09 1976-09-21 The Post Office Synchronization system for time division multiple access relay communications system
US5111479A (en) * 1989-11-02 1992-05-05 Clarion Co., Ltd. Spread spectrum receiver and carrier sense circuit therefor
EP0555089A2 (en) * 1992-02-07 1993-08-11 Victor Company Of Japan, Limited Spread spectrum communication system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982075A (en) * 1974-09-09 1976-09-21 The Post Office Synchronization system for time division multiple access relay communications system
US5111479A (en) * 1989-11-02 1992-05-05 Clarion Co., Ltd. Spread spectrum receiver and carrier sense circuit therefor
EP0555089A2 (en) * 1992-02-07 1993-08-11 Victor Company Of Japan, Limited Spread spectrum communication system

Also Published As

Publication number Publication date
GB2287613A (en) 1995-09-20
GB9502719D0 (en) 1995-04-05
GB9405297D0 (en) 1994-04-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040207