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FI972109A0 - Foerfarande foer bestaemning av saendningsriktning och radiosystem - Google Patents

Foerfarande foer bestaemning av saendningsriktning och radiosystem

Info

Publication number
FI972109A0
FI972109A0 FI972109A FI972109A FI972109A0 FI 972109 A0 FI972109 A0 FI 972109A0 FI 972109 A FI972109 A FI 972109A FI 972109 A FI972109 A FI 972109A FI 972109 A0 FI972109 A0 FI 972109A0
Authority
FI
Finland
Prior art keywords
saendningsriktning
radiosystem
och
foerfarande foer
foer bestaemning
Prior art date
Application number
FI972109A
Other languages
English (en)
Other versions
FI972109A (fi
FI105063B (fi
Inventor
Matti Kiiski
Ilkka Keskitalo
Sakari Vikamaa
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of FI972109A0 publication Critical patent/FI972109A0/fi
Priority to FI972109A priority Critical patent/FI105063B/fi
Priority to AU74349/98A priority patent/AU737485B2/en
Priority to EP98921525A priority patent/EP0988715A2/en
Priority to PCT/FI1998/000415 priority patent/WO1998053561A2/fi
Priority to CN98805187A priority patent/CN1108030C/zh
Priority to JP55000798A priority patent/JP2001526012A/ja
Publication of FI972109A publication Critical patent/FI972109A/fi
Priority to US09/439,624 priority patent/US6144340A/en
Priority to NO995589A priority patent/NO995589L/no
Application granted granted Critical
Publication of FI105063B publication Critical patent/FI105063B/fi

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
    • H04B7/04—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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
FI972109A 1997-05-16 1997-05-16 Menetelmä lähetyssuunnan määrittämiseksi ja radiojärjestelmä FI105063B (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI972109A FI105063B (fi) 1997-05-16 1997-05-16 Menetelmä lähetyssuunnan määrittämiseksi ja radiojärjestelmä
CN98805187A CN1108030C (zh) 1997-05-16 1998-05-15 确定发射方向的方法,以及无线系统
EP98921525A EP0988715A2 (en) 1997-05-16 1998-05-15 Method of determining transmission direction, and radio system
PCT/FI1998/000415 WO1998053561A2 (fi) 1997-05-16 1998-05-15 Method of determining transmission direction, and radio system
AU74349/98A AU737485B2 (en) 1997-05-16 1998-05-15 Method of determining transmission direction, and radio system
JP55000798A JP2001526012A (ja) 1997-05-16 1998-05-15 伝送方向を決定する方法及び無線システム
US09/439,624 US6144340A (en) 1997-05-16 1999-11-12 Method of determining transmission direction, and a radio system
NO995589A NO995589L (no) 1997-05-16 1999-11-15 Fremgangsmåte for å bestemme senderetning, samt radiosystem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI972109A FI105063B (fi) 1997-05-16 1997-05-16 Menetelmä lähetyssuunnan määrittämiseksi ja radiojärjestelmä
FI972109 1997-05-16

Publications (3)

Publication Number Publication Date
FI972109A0 true FI972109A0 (fi) 1997-05-16
FI972109A FI972109A (fi) 1998-11-17
FI105063B FI105063B (fi) 2000-05-31

Family

ID=8548869

Family Applications (1)

Application Number Title Priority Date Filing Date
FI972109A FI105063B (fi) 1997-05-16 1997-05-16 Menetelmä lähetyssuunnan määrittämiseksi ja radiojärjestelmä

Country Status (8)

Country Link
US (1) US6144340A (fi)
EP (1) EP0988715A2 (fi)
JP (1) JP2001526012A (fi)
CN (1) CN1108030C (fi)
AU (1) AU737485B2 (fi)
FI (1) FI105063B (fi)
NO (1) NO995589L (fi)
WO (1) WO1998053561A2 (fi)

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US7440498B2 (en) 2002-12-17 2008-10-21 Tellabs Operations, Inc. Time domain equalization for discrete multi-tone systems
US6795424B1 (en) 1998-06-30 2004-09-21 Tellabs Operations, Inc. Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems
US6453177B1 (en) * 1999-07-14 2002-09-17 Metawave Communications Corporation Transmitting beam forming in smart antenna array system
US6778507B1 (en) * 1999-09-01 2004-08-17 Qualcomm Incorporated Method and apparatus for beamforming in a wireless communication system
US9130810B2 (en) 2000-09-13 2015-09-08 Qualcomm Incorporated OFDM communications methods and apparatus
US7295509B2 (en) 2000-09-13 2007-11-13 Qualcomm, Incorporated Signaling method in an OFDM multiple access system
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US7630346B2 (en) 2000-09-29 2009-12-08 Intel Corporation Hopping on random access channels
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AU2002213447A1 (en) * 2000-11-30 2002-06-11 Arraycomm Llc Training sequence for a radio communications system
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US20030017853A1 (en) * 2001-07-12 2003-01-23 Sarnoff Corporation Method and apparatus for enhancing the data transmission capacity of a wireless communication system
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US6907246B2 (en) * 2001-11-20 2005-06-14 Navini Networks, Inc. Method and system for reducing wireless multi-cell interferences through segregated channel assignments and segregated antenna beams
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KR100689399B1 (ko) * 2002-05-17 2007-03-08 삼성전자주식회사 이동통신시스템에서 스마트 안테나의 순방향 송신빔 형성장치 및 방법
JP4041696B2 (ja) * 2002-05-23 2008-01-30 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、基地局、受信端末、無線通信方法
US6785559B1 (en) 2002-06-28 2004-08-31 Interdigital Technology Corporation System for efficiently covering a sectorized cell utilizing beam forming and sweeping
US7043274B2 (en) * 2002-06-28 2006-05-09 Interdigital Technology Corporation System for efficiently providing coverage of a sectorized cell for common and dedicated channels utilizing beam forming and sweeping
US20040004951A1 (en) 2002-07-05 2004-01-08 Interdigital Technology Corporation Method for performing wireless switching
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US6894993B2 (en) * 2002-12-27 2005-05-17 Arraycomm, Inc. Detection and correction of channel swap in spatial division multiple access systems
US9137822B2 (en) 2004-07-21 2015-09-15 Qualcomm Incorporated Efficient signaling over access channel
US9148256B2 (en) 2004-07-21 2015-09-29 Qualcomm Incorporated Performance based rank prediction for MIMO design
US9246560B2 (en) 2005-03-10 2016-01-26 Qualcomm Incorporated Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
US9154211B2 (en) 2005-03-11 2015-10-06 Qualcomm Incorporated Systems and methods for beamforming feedback in multi antenna communication systems
US8446892B2 (en) 2005-03-16 2013-05-21 Qualcomm Incorporated Channel structures for a quasi-orthogonal multiple-access communication system
US9520972B2 (en) 2005-03-17 2016-12-13 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9143305B2 (en) 2005-03-17 2015-09-22 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9461859B2 (en) 2005-03-17 2016-10-04 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9184870B2 (en) 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
US9408220B2 (en) 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
US9036538B2 (en) 2005-04-19 2015-05-19 Qualcomm Incorporated Frequency hopping design for single carrier FDMA systems
US7634277B2 (en) * 2005-04-28 2009-12-15 Cisco Technology, Inc. Method for allocating channel resources for improving frequency utilization efficiency of wireless communication systems
EP1722583A1 (de) * 2005-05-11 2006-11-15 Siemens Aktiengesellschaft Beam-Hopping in einem Funkkommunikationssystem
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US9225416B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
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US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
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US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
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JP2636718B2 (ja) * 1993-12-27 1997-07-30 日本電気株式会社 移動通信システム
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Also Published As

Publication number Publication date
FI972109A (fi) 1998-11-17
AU7434998A (en) 1998-12-11
WO1998053561A9 (fi) 1999-04-01
FI105063B (fi) 2000-05-31
WO1998053561A3 (fi) 1999-02-04
JP2001526012A (ja) 2001-12-11
AU737485B2 (en) 2001-08-23
US6144340A (en) 2000-11-07
NO995589D0 (no) 1999-11-15
WO1998053561A2 (fi) 1998-11-26
EP0988715A2 (en) 2000-03-29
CN1256820A (zh) 2000-06-14
NO995589L (no) 1999-11-15
CN1108030C (zh) 2003-05-07

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