GB2256993B - Frequency and time slot synchronization using adaptive filtering - Google Patents

Frequency and time slot synchronization using adaptive filtering

Info

Publication number
GB2256993B
GB2256993B GB9216946A GB9216946A GB2256993B GB 2256993 B GB2256993 B GB 2256993B GB 9216946 A GB9216946 A GB 9216946A GB 9216946 A GB9216946 A GB 9216946A GB 2256993 B GB2256993 B GB 2256993B
Authority
GB
United Kingdom
Prior art keywords
frequency
time slot
adaptive filtering
slot synchronization
synchronization
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 - Lifetime
Application number
GB9216946A
Other versions
GB2256993A (en
GB9216946D0 (en
Inventor
Arvind S Arora
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of GB9216946D0 publication Critical patent/GB9216946D0/en
Publication of GB2256993A publication Critical patent/GB2256993A/en
Application granted granted Critical
Publication of GB2256993B publication Critical patent/GB2256993B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2675—Frequency synchronisation
    • 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
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2681—Synchronisation of a mobile station with one base station
    • 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
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L2007/047—Speed or phase control by synchronisation signals using special codes as synchronising signal using a sine signal or unmodulated carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
GB9216946A 1990-12-17 1991-12-11 Frequency and time slot synchronization using adaptive filtering Expired - Lifetime GB2256993B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62853590A 1990-12-17 1990-12-17
PCT/US1991/009409 WO1992011706A1 (en) 1990-12-17 1991-12-11 Frequency and time slot synchronization using adaptive filtering

Publications (3)

Publication Number Publication Date
GB9216946D0 GB9216946D0 (en) 1992-10-07
GB2256993A GB2256993A (en) 1992-12-23
GB2256993B true GB2256993B (en) 1995-06-21

Family

ID=24519302

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9216946A Expired - Lifetime GB2256993B (en) 1990-12-17 1991-12-11 Frequency and time slot synchronization using adaptive filtering

Country Status (9)

Country Link
AU (1) AU636263B2 (en)
CA (1) CA2071552C (en)
DE (2) DE4193255T (en)
FR (1) FR2671248B1 (en)
GB (1) GB2256993B (en)
IL (1) IL100366A (en)
IT (1) IT1250962B (en)
SE (1) SE504792C2 (en)
WO (1) WO1992011706A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2709894B1 (en) * 1993-09-10 1995-10-20 Alcatel Mobile Comm France Method for determining, by a mobile station of a cellular radiocommunication system, the type of cell to which it is attached, mobile station and base station.
US5761250A (en) * 1995-08-15 1998-06-02 Rockwell International Corporation Iterative filtering frequency estimator and estimation method
DE19722219A1 (en) * 1997-05-28 1998-12-03 Alsthom Cge Alcatel Radio communication system with a fixed and a movable radio device
JP3088338B2 (en) * 1997-05-28 2000-09-18 埼玉日本電気株式会社 Wireless telephone equipment
US6278699B1 (en) 1998-06-22 2001-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Synchronization techniques and systems for spread spectrum radiocommunication
US6356608B1 (en) * 1998-06-29 2002-03-12 Telefonaktiebolaget Lm Ericsson (Publ) Method, apparatus, and system for determining a location of a frequency synchronization signal
US6473420B1 (en) * 2001-02-16 2002-10-29 Harris Corporation Wideband ranging process for frequency acquisition
GB2534603B (en) * 2015-01-29 2019-07-31 Michell Instruments Ltd System for analysing the frequency of a signal, a method thereof and a system for measuring the relative phase between two input signals

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317220A (en) * 1979-02-05 1982-02-23 Andre Martin Simulcast transmission system
US4466130A (en) * 1982-10-04 1984-08-14 Ael Microtel Limited Two pilot frequency control for communication systems
US4802191A (en) * 1986-02-28 1989-01-31 National Research Development Corporation Data transmission using a transparent tone-in band system
US4977580A (en) * 1988-08-15 1990-12-11 Northern Telecom Limited Timing and carrier recovery in TDMA without preamble sequence

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3508069C2 (en) * 1985-03-07 1993-12-02 Aeg Mobile Communication Single-wave radio with re-adjusted transmitter frequency
DE59003646D1 (en) * 1989-03-16 1994-01-13 Siemens Ag Circuit for the detection of a frequency reference signal.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317220A (en) * 1979-02-05 1982-02-23 Andre Martin Simulcast transmission system
US4466130A (en) * 1982-10-04 1984-08-14 Ael Microtel Limited Two pilot frequency control for communication systems
US4802191A (en) * 1986-02-28 1989-01-31 National Research Development Corporation Data transmission using a transparent tone-in band system
US4977580A (en) * 1988-08-15 1990-12-11 Northern Telecom Limited Timing and carrier recovery in TDMA without preamble sequence

Also Published As

Publication number Publication date
GB2256993A (en) 1992-12-23
DE4193255C2 (en) 1997-02-20
SE9202350L (en) 1992-08-14
SE504792C2 (en) 1997-04-28
IL100366A (en) 1995-05-26
SE9202350D0 (en) 1992-08-14
ITRM910944A1 (en) 1993-06-17
FR2671248B1 (en) 1994-11-04
GB9216946D0 (en) 1992-10-07
CA2071552A1 (en) 1992-06-18
ITRM910944A0 (en) 1991-12-17
WO1992011706A1 (en) 1992-07-09
FR2671248A1 (en) 1992-07-03
IL100366A0 (en) 1992-09-06
CA2071552C (en) 1997-02-25
IT1250962B (en) 1995-04-24
DE4193255T (en) 1992-12-10
AU636263B2 (en) 1993-04-22
AU9169291A (en) 1992-07-22

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20111210

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120112 AND 20120118