SE517671C2 - Sätt, anordning och apparat för mobilradiokommunikationsstationer med kopplade dubbelfrekvenssyntetiserare - Google Patents

Sätt, anordning och apparat för mobilradiokommunikationsstationer med kopplade dubbelfrekvenssyntetiserare

Info

Publication number
SE517671C2
SE517671C2 SE9200574A SE9200574A SE517671C2 SE 517671 C2 SE517671 C2 SE 517671C2 SE 9200574 A SE9200574 A SE 9200574A SE 9200574 A SE9200574 A SE 9200574A SE 517671 C2 SE517671 C2 SE 517671C2
Authority
SE
Sweden
Prior art keywords
monitoring
reception
frequency
time interval
generating
Prior art date
Application number
SE9200574A
Other languages
English (en)
Swedish (sv)
Other versions
SE9200574L (sv
SE9200574D0 (sv
Inventor
T Ward
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of SE9200574D0 publication Critical patent/SE9200574D0/xx
Publication of SE9200574L publication Critical patent/SE9200574L/xx
Publication of SE517671C2 publication Critical patent/SE517671C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H04W36/0088—Scheduling hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Transceivers (AREA)
SE9200574A 1991-03-07 1992-02-26 Sätt, anordning och apparat för mobilradiokommunikationsstationer med kopplade dubbelfrekvenssyntetiserare SE517671C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66608691A 1991-03-07 1991-03-07

Publications (3)

Publication Number Publication Date
SE9200574D0 SE9200574D0 (sv) 1992-02-26
SE9200574L SE9200574L (sv) 1992-09-08
SE517671C2 true SE517671C2 (sv) 2002-07-02

Family

ID=24672764

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9200574A SE517671C2 (sv) 1991-03-07 1992-02-26 Sätt, anordning och apparat för mobilradiokommunikationsstationer med kopplade dubbelfrekvenssyntetiserare

Country Status (4)

Country Link
US (1) US5448762A (ja)
JP (1) JP3249165B2 (ja)
GB (1) GB2254971B (ja)
SE (1) SE517671C2 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI940705A (fi) * 1993-09-14 1995-03-15 Nokia Telecommunications Oy Menetelmä tukiaseman radiokanavien valvomiseksi
US5594776A (en) * 1994-09-14 1997-01-14 Ericsson Inc. Efficient paging system
FI100286B (fi) * 1996-04-01 1997-10-31 Nokia Mobile Phones Ltd Lähetin/vastaanotin RF-signaalin lähettämiseksi ja vastaanottamiseksi kahdella taajuusalueella
FI106589B (fi) * 1996-09-27 2001-02-28 Nokia Networks Oy Adaptiivinen taajuussuunnittelu solukkoverkossa
CA2188845A1 (en) * 1996-10-25 1998-04-25 Stephen Ross Todd Selection of an antenna operating in diversity
WO1998019402A1 (en) * 1996-10-25 1998-05-07 Northern Telecom Limited Diversity antenna selection
KR100224102B1 (ko) * 1996-11-28 1999-10-15 윤종용 이중 대역 셀룰러 전화에 이용되는 중간주파수 선택장치 및 방법
US5991622A (en) * 1997-08-22 1999-11-23 Ericsson Inc. Method and apparatus for automatic channel measurements
US6223047B1 (en) 1998-08-26 2001-04-24 Telefonaktiebolaget Lm Ericsson (Publ) Extended sleep mode method and apparatus
US6188900B1 (en) * 1998-08-31 2001-02-13 Texas Instruments Incorporated Mobile device assisted handoff system for code division multiple access and wideband code division multiple access networks
TWI373925B (en) 2004-02-10 2012-10-01 Tridev Res L L C Tunable resonant circuit, tunable voltage controlled oscillator circuit, tunable low noise amplifier circuit and method of tuning a resonant circuit
DE202005021930U1 (de) * 2005-08-01 2011-08-08 Corning Cable Systems Llc Faseroptische Auskoppelkabel und vorverbundene Baugruppen mit Toning-Teilen
GB2446738C (en) * 2007-02-02 2014-10-01 Ubiquisys Ltd Basestation measurement modes
US8447367B2 (en) * 2007-05-07 2013-05-21 Rosemount Tank Radar Ab Process measurement instrument adapted for wireless communication

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2199179A (en) * 1936-11-27 1940-04-30 Rca Corp Single channel two-way communication system
US3443228A (en) * 1965-11-22 1969-05-06 Gen Atronics Corp Optimum frequency communication system with different test frequencies in different test intervals
US3532988A (en) * 1969-01-23 1970-10-06 Motorola Inc Digital troposcatter multiplex communication system optimum frequency
US3619788A (en) * 1969-04-14 1971-11-09 Gen Electric Circuit for giving priority to one of a plurality of automatically monitored channels in a receiver
US3983492A (en) * 1975-01-29 1976-09-28 Bell Telephone Laboratories, Incorporated Frequency scan and lock circuit for mobile radio channel selection
US4123715A (en) * 1975-01-30 1978-10-31 Masco Corporation Of Indiana Program apparatus for radio receiver using frequency synthesizer
US4069455A (en) * 1976-11-11 1978-01-17 General Electric Company Arrangement for maintaining reception of a radio receiver on the stronger of two signals
JPS5949736B2 (ja) * 1977-04-25 1984-12-04 三洋電機株式会社 優先チヤンネル付複数チヤンネル受信機
US4430753A (en) * 1980-07-24 1984-02-07 Mitsubishi Denki Kabushiki Kaisha Radio receiver
US4470140A (en) * 1980-09-30 1984-09-04 Coffey Dennis K Distributed switching network
DE3133347A1 (de) * 1981-08-22 1983-03-10 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zum zugreifen auf uebertragungskanaele eines nachrichtenuebertragungssystems
DE3214155A1 (de) * 1982-04-17 1983-10-20 Blaupunkt-Werke Gmbh, 3200 Hildesheim Ortsveraenderlicher rundfunkempfaenger, wie autoradio oder dgl.
US4513412A (en) * 1983-04-25 1985-04-23 At&T Bell Laboratories Time division adaptive retransmission technique for portable radio telephones
US4675863A (en) * 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US4688213A (en) * 1985-11-29 1987-08-18 Rca Corporation Asynchronous random access communication system with collision resolution based on time of arrival
US4910791A (en) * 1985-12-26 1990-03-20 Am Communications, Inc. Monitoring and control of data communications
US4736371A (en) * 1985-12-30 1988-04-05 Nec Corporation Satellite communications system with random multiple access and time slot reservation
US4641304A (en) * 1986-06-06 1987-02-03 Rca Corporation Announced retransmission random access system
JP2636236B2 (ja) * 1987-03-31 1997-07-30 三菱電機株式会社 通話中チヤンネル切替方式
JPH0744485B2 (ja) * 1987-05-22 1995-05-15 三菱電機株式会社 自動車電話装置
JPS6460115A (en) * 1987-08-31 1989-03-07 Fujitsu Ten Ltd Rds radio receiver
JPH0195714A (ja) * 1987-10-06 1989-04-13 Tamajirou Yabuta ペット等に粒状の餌を自動的に投与する方法とその装置
US4851820A (en) * 1987-10-30 1989-07-25 Fernandez Emilio A Paging device having a switch actuated signal strength detector
SE460749B (sv) * 1988-03-15 1989-11-13 Ericsson Telefon Ab L M Foerfarande att oeverfoera datainformation i ett cellindelat mobilradiokommunikationssystem
US5070536A (en) * 1988-08-04 1991-12-03 Norand Corporation Mobile radio data communication system and method
US4914649A (en) * 1988-09-12 1990-04-03 Motorola, Inc. Multiple frequency message system
US4949335A (en) * 1989-01-23 1990-08-14 Motorola, Inc. A TDM quasi-duplex system
US5042082A (en) * 1989-06-26 1991-08-20 Telefonaktiebolaget L. M. Ericsson Mobile assisted handoff
US5127100A (en) * 1989-04-27 1992-06-30 Motorola, Inc. Digital radio communication system and two way radio
US4949395A (en) * 1989-07-07 1990-08-14 Telefonaktiebolaget L M Ericsson Method and arrangement for dynamically allocating time slots to connections in a digital mobile radio system
JPH03293823A (ja) * 1990-04-12 1991-12-25 Pioneer Electron Corp ラジオ受信機
US5179559A (en) * 1990-07-27 1993-01-12 Motorola, Inc. Handoff method for a cellular system
US5113416A (en) * 1990-10-26 1992-05-12 Ericsson Ge Mobile Communications Holding, Inc. Digital radio frequency compensation
US5128959A (en) * 1991-02-22 1992-07-07 Motorola, Inc. Variable bandwidth CDMA radio system

Also Published As

Publication number Publication date
US5448762A (en) 1995-09-05
JPH04326629A (ja) 1992-11-16
GB2254971B (en) 1994-12-21
SE9200574L (sv) 1992-09-08
SE9200574D0 (sv) 1992-02-26
GB2254971A (en) 1992-10-21
JP3249165B2 (ja) 2002-01-21
GB9203657D0 (en) 1992-04-08

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Legal Events

Date Code Title Description
NUG Patent has lapsed