DE69900645T2 - Sende-Diversity Verfahren und System mit Phasenregelung für Funkübertragungssysteme - Google Patents

Sende-Diversity Verfahren und System mit Phasenregelung für Funkübertragungssysteme

Info

Publication number
DE69900645T2
DE69900645T2 DE69900645T DE69900645T DE69900645T2 DE 69900645 T2 DE69900645 T2 DE 69900645T2 DE 69900645 T DE69900645 T DE 69900645T DE 69900645 T DE69900645 T DE 69900645T DE 69900645 T2 DE69900645 T2 DE 69900645T2
Authority
DE
Germany
Prior art keywords
transmit diversity
phase control
radio transmission
transmission systems
diversity method
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.)
Expired - Lifetime
Application number
DE69900645T
Other languages
English (en)
Other versions
DE69900645D1 (de
Inventor
Oscar Clop
Yann Farmine
Nicolas Whinnett
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.)
Motorola Mobility LLC
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of DE69900645D1 publication Critical patent/DE69900645D1/de
Application granted granted Critical
Publication of DE69900645T2 publication Critical patent/DE69900645T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B7/04—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
DE69900645T 1999-05-26 1999-05-26 Sende-Diversity Verfahren und System mit Phasenregelung für Funkübertragungssysteme Expired - Lifetime DE69900645T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99401258A EP1077535B1 (de) 1999-05-26 1999-05-26 Sende-Diversity Verfahren und System mit Phasenregelung für Funkübertragungssysteme

Publications (2)

Publication Number Publication Date
DE69900645D1 DE69900645D1 (de) 2002-01-31
DE69900645T2 true DE69900645T2 (de) 2002-09-12

Family

ID=8241981

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69900645T Expired - Lifetime DE69900645T2 (de) 1999-05-26 1999-05-26 Sende-Diversity Verfahren und System mit Phasenregelung für Funkübertragungssysteme

Country Status (4)

Country Link
US (1) US6763225B1 (de)
EP (1) EP1077535B1 (de)
AT (1) ATE211334T1 (de)
DE (1) DE69900645T2 (de)

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US7164725B2 (en) * 2000-03-10 2007-01-16 Motorola, Inc. Method and apparatus for antenna array beamforming
DE60021524T2 (de) * 2000-04-18 2006-06-01 Sony International (Europe) Gmbh OFDM Diversity-Übertragung
DE60037465T2 (de) * 2000-08-10 2008-12-04 Fujitsu Ltd., Kawasaki Vorrichtung zur Kommunikation mit Diversität
US7197282B2 (en) * 2001-07-26 2007-03-27 Ericsson Inc. Mobile station loop-back signal processing
AU2002337707A1 (en) * 2001-09-28 2003-04-14 At And T Corp. Method and apparatus for reducing interference in multiple-input-multiple-output (mimo) systems
US20050048933A1 (en) * 2003-08-25 2005-03-03 Jingxian Wu Adaptive transmit diversity with quadrant phase constraining feedback
US8542763B2 (en) 2004-04-02 2013-09-24 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US10277290B2 (en) 2004-04-02 2019-04-30 Rearden, Llc Systems and methods to exploit areas of coherence in wireless systems
US10985811B2 (en) 2004-04-02 2021-04-20 Rearden, Llc System and method for distributed antenna wireless communications
US11451275B2 (en) 2004-04-02 2022-09-20 Rearden, Llc System and method for distributed antenna wireless communications
US10200094B2 (en) 2004-04-02 2019-02-05 Rearden, Llc Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems
US9819403B2 (en) * 2004-04-02 2017-11-14 Rearden, Llc System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client
US11394436B2 (en) 2004-04-02 2022-07-19 Rearden, Llc System and method for distributed antenna wireless communications
US11309943B2 (en) 2004-04-02 2022-04-19 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US10886979B2 (en) 2004-04-02 2021-01-05 Rearden, Llc System and method for link adaptation in DIDO multicarrier systems
US9826537B2 (en) 2004-04-02 2017-11-21 Rearden, Llc System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters
US10749582B2 (en) 2004-04-02 2020-08-18 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US9312929B2 (en) 2004-04-02 2016-04-12 Rearden, Llc System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS)
US8654815B1 (en) 2004-04-02 2014-02-18 Rearden, Llc System and method for distributed antenna wireless communications
US10425134B2 (en) 2004-04-02 2019-09-24 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US9685997B2 (en) 2007-08-20 2017-06-20 Rearden, Llc Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems
US7974360B2 (en) 2006-05-24 2011-07-05 Qualcomm Incorporated Multi input multi output (MIMO) orthogonal frequency division multiple access (OFDMA) communication system
US20080064237A1 (en) * 2006-08-16 2008-03-13 Eric Tan Wireless adapter apparatus for portable information appliances
US11190947B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for concurrent spectrum usage within actively used spectrum
US10194346B2 (en) 2012-11-26 2019-01-29 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US11189917B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for distributing radioheads
US11050468B2 (en) 2014-04-16 2021-06-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
US10164698B2 (en) 2013-03-12 2018-12-25 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US9923657B2 (en) 2013-03-12 2018-03-20 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US9973246B2 (en) 2013-03-12 2018-05-15 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10488535B2 (en) 2013-03-12 2019-11-26 Rearden, Llc Apparatus and method for capturing still images and video using diffraction coded imaging techniques
US10547358B2 (en) 2013-03-15 2020-01-28 Rearden, Llc Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications
US11290162B2 (en) 2014-04-16 2022-03-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
CN105721026B (zh) * 2015-12-31 2019-12-17 华为技术有限公司 一种联合数据传输方法及设备

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US5592490A (en) * 1991-12-12 1997-01-07 Arraycomm, Inc. Spectrally efficient high capacity wireless communication systems
US6101399A (en) * 1995-02-22 2000-08-08 The Board Of Trustees Of The Leland Stanford Jr. University Adaptive beam forming for transmitter operation in a wireless communication system
GB2313261B (en) * 1996-05-17 2000-08-30 Motorola Ltd Devices for transmitter path weights and methods therefor
FI106669B (fi) * 1997-08-20 2001-03-15 Nokia Networks Oy Lähetysmenetelmä ja radiojärjestelmä

Also Published As

Publication number Publication date
US6763225B1 (en) 2004-07-13
EP1077535A1 (de) 2001-02-21
DE69900645D1 (de) 2002-01-31
EP1077535B1 (de) 2001-12-19
ATE211334T1 (de) 2002-01-15

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US