IT1285217B1 - Metodo per la selezione automatica di un fascio tra quelli formati da un'antenna multifascio,in particolare per sistemi radiomobili - Google Patents

Metodo per la selezione automatica di un fascio tra quelli formati da un'antenna multifascio,in particolare per sistemi radiomobili

Info

Publication number
IT1285217B1
IT1285217B1 IT96MI001369A ITMI961369A IT1285217B1 IT 1285217 B1 IT1285217 B1 IT 1285217B1 IT 96MI001369 A IT96MI001369 A IT 96MI001369A IT MI961369 A ITMI961369 A IT MI961369A IT 1285217 B1 IT1285217 B1 IT 1285217B1
Authority
IT
Italy
Prior art keywords
mobile radio
those formed
automatic selection
radio systems
beam antenna
Prior art date
Application number
IT96MI001369A
Other languages
English (en)
Inventor
Fulvio Margherita
Original Assignee
Italtel Spa
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 Italtel Spa filed Critical Italtel Spa
Priority to IT96MI001369A priority Critical patent/IT1285217B1/it
Publication of ITMI961369A0 publication Critical patent/ITMI961369A0/it
Priority to EP97111319A priority patent/EP0817308B1/en
Priority to DE69717354T priority patent/DE69717354T2/de
Publication of ITMI961369A1 publication Critical patent/ITMI961369A1/it
Application granted granted Critical
Publication of IT1285217B1 publication Critical patent/IT1285217B1/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
IT96MI001369A 1996-07-04 1996-07-04 Metodo per la selezione automatica di un fascio tra quelli formati da un'antenna multifascio,in particolare per sistemi radiomobili IT1285217B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT96MI001369A IT1285217B1 (it) 1996-07-04 1996-07-04 Metodo per la selezione automatica di un fascio tra quelli formati da un'antenna multifascio,in particolare per sistemi radiomobili
EP97111319A EP0817308B1 (en) 1996-07-04 1997-07-04 Method for the automatic selection of one beam among those formed by a multibeam antenna, in particular for radiomobile systems
DE69717354T DE69717354T2 (de) 1996-07-04 1997-07-04 Verfahren für die automatische Auswahl eines Strahles aus solchen die von einer Mehrstrahlantenne gebildet werden, insbesondere für Mobilfunksysteme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI001369A IT1285217B1 (it) 1996-07-04 1996-07-04 Metodo per la selezione automatica di un fascio tra quelli formati da un'antenna multifascio,in particolare per sistemi radiomobili

Publications (3)

Publication Number Publication Date
ITMI961369A0 ITMI961369A0 (it) 1996-07-04
ITMI961369A1 ITMI961369A1 (it) 1998-01-04
IT1285217B1 true IT1285217B1 (it) 1998-06-03

Family

ID=11374530

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI001369A IT1285217B1 (it) 1996-07-04 1996-07-04 Metodo per la selezione automatica di un fascio tra quelli formati da un'antenna multifascio,in particolare per sistemi radiomobili

Country Status (3)

Country Link
EP (1) EP0817308B1 (it)
DE (1) DE69717354T2 (it)
IT (1) IT1285217B1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6470192B1 (en) 1999-08-16 2002-10-22 Telefonaktiebolaget Lm Ericcson (Publ) Method of an apparatus for beam reduction and combining in a radio communications system
DE10025987C2 (de) * 2000-05-25 2002-04-04 Siemens Ag Verfahren zum Steuern der Downlink-Strahlformung
WO2009080101A1 (en) * 2007-12-20 2009-07-02 Telefonaktiebolaget Lm Ericsson (Publ) An improved antenna arrangement in an electronic device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5303240A (en) * 1991-07-08 1994-04-12 Motorola, Inc. Telecommunications system using directional antennas
US5684491A (en) * 1995-01-27 1997-11-04 Hazeltine Corporation High gain antenna systems for cellular use
US5590399A (en) * 1995-02-23 1996-12-31 Nextel Communications Up-link channel assignment scheme for cellular mobile communications systems employing multi-beam antennas with beam selection
FI107851B (fi) * 1996-05-22 2001-10-15 Nokia Networks Oy Menetelmä antennikeilan valitsemiseksi, tukiasema ja solukkoradiojärjestelmä

Also Published As

Publication number Publication date
EP0817308A2 (en) 1998-01-07
ITMI961369A0 (it) 1996-07-04
EP0817308A3 (en) 1998-04-08
EP0817308B1 (en) 2002-11-27
DE69717354T2 (de) 2003-09-18
ITMI961369A1 (it) 1998-01-04
DE69717354D1 (de) 2003-01-09

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Legal Events

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0001 Granted