GB8323966D0 - Frequency control for point-to-multipoint radio - Google Patents

Frequency control for point-to-multipoint radio

Info

Publication number
GB8323966D0
GB8323966D0 GB838323966A GB8323966A GB8323966D0 GB 8323966 D0 GB8323966 D0 GB 8323966D0 GB 838323966 A GB838323966 A GB 838323966A GB 8323966 A GB8323966 A GB 8323966A GB 8323966 D0 GB8323966 D0 GB 8323966D0
Authority
GB
United Kingdom
Prior art keywords
node
frequency
outstations
frequency control
point
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.)
Pending
Application number
GB838323966A
Other languages
English (en)
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to GB838323966A priority Critical patent/GB8323966D0/en
Publication of GB8323966D0 publication Critical patent/GB8323966D0/en
Priority to CA000462309A priority patent/CA1232025A/en
Priority to US06/647,487 priority patent/US4670889A/en
Priority to EP84306112A priority patent/EP0138366B1/en
Priority to AT84306112T priority patent/ATE36104T1/de
Priority to DE8484306112T priority patent/DE3473105D1/de
Priority to JP59188764A priority patent/JPS60150330A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Radio Relay Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Small-Scale Networks (AREA)
GB838323966A 1983-09-07 1983-09-07 Frequency control for point-to-multipoint radio Pending GB8323966D0 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB838323966A GB8323966D0 (en) 1983-09-07 1983-09-07 Frequency control for point-to-multipoint radio
CA000462309A CA1232025A (en) 1983-09-07 1984-08-31 Frequency control for point to multipoint radio
US06/647,487 US4670889A (en) 1983-09-07 1984-09-05 Frequency control for point to multipoint radio
EP84306112A EP0138366B1 (en) 1983-09-07 1984-09-06 Frequency control for point-to-multipoint radio
AT84306112T ATE36104T1 (de) 1983-09-07 1984-09-06 Frequenzregelung fuer punkt-zu-mehrpunktfunkverbindung.
DE8484306112T DE3473105D1 (en) 1983-09-07 1984-09-06 Frequency control for point-to-multipoint radio
JP59188764A JPS60150330A (ja) 1983-09-07 1984-09-07 一点対多点間通信方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838323966A GB8323966D0 (en) 1983-09-07 1983-09-07 Frequency control for point-to-multipoint radio

Publications (1)

Publication Number Publication Date
GB8323966D0 true GB8323966D0 (en) 1983-10-12

Family

ID=10548427

Family Applications (1)

Application Number Title Priority Date Filing Date
GB838323966A Pending GB8323966D0 (en) 1983-09-07 1983-09-07 Frequency control for point-to-multipoint radio

Country Status (7)

Country Link
US (1) US4670889A (enExample)
EP (1) EP0138366B1 (enExample)
JP (1) JPS60150330A (enExample)
AT (1) ATE36104T1 (enExample)
CA (1) CA1232025A (enExample)
DE (1) DE3473105D1 (enExample)
GB (1) GB8323966D0 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817197A (en) * 1986-07-18 1989-03-28 Nippon Telegraph And Telephone Corporation Mobile communication apparatus
US5255291A (en) * 1988-11-14 1993-10-19 Stratacom, Inc. Microprocessor based packet isochronous clocking transmission system and method
WO1991005410A1 (en) * 1989-09-27 1991-04-18 Motorola, Inc. Method and apparatus for adjusting the frequency of a two-way radio
US5249305A (en) * 1989-09-27 1993-09-28 Motorola, Inc. Radio frequency error detection and correction system
US5168575A (en) * 1990-09-28 1992-12-01 Motorola, Inc. Demand driven wide-area radio system resource assignment method and apparatus
JP3269577B2 (ja) * 1991-10-02 2002-03-25 モトローラ・インコーポレイテッド ビット誤り率検出方法
US6006069A (en) * 1994-11-28 1999-12-21 Bosch Telecom Gmbh Point-to-multipoint communications system
US6112056A (en) 1995-06-07 2000-08-29 Cisco Systems, Inc. Low power, short range point-to-multipoint communications system
DE19613489C2 (de) * 1996-04-04 2001-09-27 Esw Extel Systems Wedel Ges Fu Verfahren zur Übertragung von bidirektionalen Daten zwischen der Zentrale und den Teilnehmern eines Gefechtsübungszentrums
DE19705395C2 (de) * 1997-02-13 1999-12-23 Mikom Gmbh Repeater
DE19737758A1 (de) * 1997-08-29 1999-03-04 Bosch Gmbh Robert Verfahren zum Einstellen der Sendeträgerfrequenz in einer Teilnehmerstation eines Punkt-zu-Mehrpunkt Funkübertragungssystem
US6240276B1 (en) * 1998-04-28 2001-05-29 Ericsson Inc. Compensating for errors in tuning frequency of a global positioning satellite (GPS) receiver
US6603958B1 (en) * 2000-02-09 2003-08-05 Nortel Networks Limited Method and apparatus for a carrier frequency control in a wireless communication system
CN100456758C (zh) * 2000-12-15 2009-01-28 昂达博思公司 具有基于组的副载波分配的多载波通信方法
US6947748B2 (en) 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
CN1709007B (zh) * 2002-10-30 2010-05-26 捷讯研究有限公司 用于选择通信网络的方法和装置
US7573851B2 (en) 2004-12-07 2009-08-11 Adaptix, Inc. Method and system for switching antenna and channel assignments in broadband wireless networks
US8068785B2 (en) * 2005-09-06 2011-11-29 Electronics And Telecommunications Research Institute Method for resource partition, assignment, transmission and reception for inter-cell interference migration in downlink of OFDM cellular systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195047A (en) * 1961-12-29 1965-07-13 Bell Telephone Labor Inc Frequency modulation communication system having automatic frequency deviation adjustng means
GB1074824A (en) * 1965-03-05 1967-07-05 British Broadcasting Corp Improvements in and relating to the synchronising of periodic signals
BE754157A (fr) * 1969-07-31 1971-02-01 Siemens Ag Montage pour la compensation de composantes parasites de tension continue lors de la demodulation de signaux de donnees binaires
US3654395A (en) * 1969-10-15 1972-04-04 Communications Satellite Corp Synchronization of tdma space division satellite system
US4061979A (en) * 1975-10-20 1977-12-06 Digital Communications Corporation Phase locked loop with pre-set and squelch
US4231114A (en) * 1978-02-27 1980-10-28 Motorola, Inc. Synchronizing means for a two-way communication system
US4188582A (en) * 1978-04-10 1980-02-12 Motorola, Inc. Simulcast transmission system having phase-locked remote transmitters
NL7810171A (nl) * 1978-10-10 1980-04-14 Philips Nv Vaste post voor een systeem voor mobiele datacommuni- catie.
JPS57148432A (en) * 1981-03-09 1982-09-13 Nec Corp Frequency synchronization system
US4520508A (en) * 1982-12-21 1985-05-28 General Instrument Corporation Subscriber terminal for monitoring radio-frequency signal ingress into cable television systems

Also Published As

Publication number Publication date
EP0138366B1 (en) 1988-07-27
CA1232025A (en) 1988-01-26
DE3473105D1 (en) 1988-09-01
US4670889A (en) 1987-06-02
JPH0242255B2 (enExample) 1990-09-21
EP0138366A3 (en) 1985-06-19
JPS60150330A (ja) 1985-08-08
EP0138366A2 (en) 1985-04-24
ATE36104T1 (de) 1988-08-15

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