AU2001296127A1 - System and method for implementing a multi-beam antenna without duplex filters within a base station - Google Patents

System and method for implementing a multi-beam antenna without duplex filters within a base station

Info

Publication number
AU2001296127A1
AU2001296127A1 AU2001296127A AU9612701A AU2001296127A1 AU 2001296127 A1 AU2001296127 A1 AU 2001296127A1 AU 2001296127 A AU2001296127 A AU 2001296127A AU 9612701 A AU9612701 A AU 9612701A AU 2001296127 A1 AU2001296127 A1 AU 2001296127A1
Authority
AU
Australia
Prior art keywords
implementing
base station
beam antenna
duplex filters
duplex
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.)
Abandoned
Application number
AU2001296127A
Inventor
Bo Hagerman
Bjorn Johannisson
Thomas Ostman
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU2001296127A1 publication Critical patent/AU2001296127A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
AU2001296127A 2000-10-13 2001-10-12 System and method for implementing a multi-beam antenna without duplex filters within a base station Abandoned AU2001296127A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/687,913 US6697643B1 (en) 2000-10-13 2000-10-13 System and method for implementing a multi-beam antenna without duplex filters within a base station
US09687913 2000-10-13
PCT/SE2001/002236 WO2002032013A2 (en) 2000-10-13 2001-10-12 System and method for implementing a multi-beam antenna without duplex filters within a base station

Publications (1)

Publication Number Publication Date
AU2001296127A1 true AU2001296127A1 (en) 2002-04-22

Family

ID=24762366

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001296127A Abandoned AU2001296127A1 (en) 2000-10-13 2001-10-12 System and method for implementing a multi-beam antenna without duplex filters within a base station

Country Status (4)

Country Link
US (1) US6697643B1 (en)
EP (1) EP1325567B1 (en)
AU (1) AU2001296127A1 (en)
WO (1) WO2002032013A2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6870515B2 (en) * 2000-12-28 2005-03-22 Nortel Networks Limited MIMO wireless communication system
SE523685C2 (en) 2001-11-29 2004-05-11 Ericsson Telefon Ab L M TX diversity with two fixed beams
US7079809B1 (en) * 2002-02-07 2006-07-18 Kathrein-Werke Kg Systems and methods for providing improved wireless signal quality using diverse antenna beams
US7792547B1 (en) * 2003-02-05 2010-09-07 Nortel Networks Limited Downlink and uplink array and beamforming arrangement for wireless communication networks
CA2591913C (en) * 2004-12-30 2013-12-03 Telefonaktiebolaget Lm Ericsson (Publ) An antenna device for a radio base station in a cellular telephony system
US7286096B2 (en) * 2005-03-28 2007-10-23 Radiolink Networks, Inc. Aligned duplex antennae with high isolation
EP2034623A1 (en) 2007-09-05 2009-03-11 Nokia Siemens Networks Oy Adaptive adjustment of an antenna arrangement for exploiting polarization and/or beamforming separation
US8274937B2 (en) * 2008-08-26 2012-09-25 Samsung Electronics Co., Ltd. Method and apparatus for beamforming in OFDM wireless system
US8774303B2 (en) * 2011-06-29 2014-07-08 Electronics And Telecommunications Research Institute Wireless communication method and apparatus using adaptive transmission polarization control
US9215622B1 (en) * 2012-07-30 2015-12-15 GoNet Systems Ltd. Method and systems for associating wireless transmission with directions-of-arrival thereof
US20220013906A1 (en) * 2012-12-19 2022-01-13 Go Net Systems Ltd Methods and systems for using a beam-forming network in conjunction with maximal-ratio-combining techniques
WO2015082008A1 (en) * 2013-12-05 2015-06-11 Telefonaktiebolaget L M Ericsson (Publ) A wireless communication node using using adaptive beamforming with polarized antennas
US9900072B2 (en) * 2015-06-09 2018-02-20 SEAKR Engineering, Inc. LEO flexible single axis beamforming

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2281011B (en) * 1993-08-12 1998-04-08 Northern Telecom Ltd Base station antenna arrangement
US5832389A (en) * 1994-03-24 1998-11-03 Ericsson Inc. Wideband digitization systems and methods for cellular radiotelephones
FR2728366A1 (en) * 1994-12-19 1996-06-21 Europ Agence Spatiale NETWORK CONFORMING BEAMS FOR RADIOFREQUENCY ANTENNA IMPLEMENTING FAST FOURIER TRANSFORMATION AND HARDWARE STRUCTURE IMPLEMENTING SUCH A NETWORK, ESPECIALLY FOR SPACE APPLICATIONS
DE19535441A1 (en) * 1995-09-23 1997-03-27 Bosch Gmbh Robert Antenna of a central station of a point-to-multipoint radio relay system
GB2306055B (en) 1995-10-06 2000-01-12 Roke Manor Research Improvements in or relating to antennas
US5924020A (en) * 1995-12-15 1999-07-13 Telefonaktiebolaget L M Ericsson (Publ) Antenna assembly and associated method for radio communication device
US6421543B1 (en) 1996-01-29 2002-07-16 Ericsson Inc. Cellular radiotelephone base stations and methods using selected multiple diversity reception
US6167286A (en) 1997-06-05 2000-12-26 Nortel Networks Corporation Multi-beam antenna system for cellular radio base stations
CA2270779A1 (en) 1998-05-06 1999-11-06 Newbridge Networks Corporation Use of sectorized polarization diversity as a means of increasing capacity in cellular wireless systems
US6377783B1 (en) * 1998-12-24 2002-04-23 At&T Wireless Services, Inc. Method for combining communication beams in a wireless communication system
US6577879B1 (en) * 2000-06-21 2003-06-10 Telefonaktiebolaget Lm Ericsson (Publ) System and method for simultaneous transmission of signals in multiple beams without feeder cable coherency

Also Published As

Publication number Publication date
WO2002032013A3 (en) 2002-06-13
WO2002032013A2 (en) 2002-04-18
EP1325567A2 (en) 2003-07-09
EP1325567B1 (en) 2013-04-24
US6697643B1 (en) 2004-02-24

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