DE60134641D1 - Drahtlose Kommunikation mit Sendediversität - Google Patents

Drahtlose Kommunikation mit Sendediversität

Info

Publication number
DE60134641D1
DE60134641D1 DE60134641T DE60134641T DE60134641D1 DE 60134641 D1 DE60134641 D1 DE 60134641D1 DE 60134641 T DE60134641 T DE 60134641T DE 60134641 T DE60134641 T DE 60134641T DE 60134641 D1 DE60134641 D1 DE 60134641D1
Authority
DE
Germany
Prior art keywords
antenna elements
transmit antenna
transmitter
wireless communication
receiver
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
DE60134641T
Other languages
English (en)
Inventor
Stephanie Pascale Rouquette
Sandrine Merigeault
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
Application granted granted Critical
Publication of DE60134641D1 publication Critical patent/DE60134641D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • 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
    • 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
    • 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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0669—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 delayed versions of same signal using different channel coding between antennas
    • 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
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Details Of Aerials (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60134641T 2001-08-13 2001-08-13 Drahtlose Kommunikation mit Sendediversität Expired - Lifetime DE60134641D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01402162A EP1284545B1 (de) 2001-08-13 2001-08-13 Drahtlose Kommunikation mit Sendediversität

Publications (1)

Publication Number Publication Date
DE60134641D1 true DE60134641D1 (de) 2008-08-14

Family

ID=8182850

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60134641T Expired - Lifetime DE60134641D1 (de) 2001-08-13 2001-08-13 Drahtlose Kommunikation mit Sendediversität

Country Status (7)

Country Link
US (1) US7308035B2 (de)
EP (2) EP1284545B1 (de)
KR (1) KR100926643B1 (de)
CN (1) CN100581076C (de)
AT (1) ATE400097T1 (de)
DE (1) DE60134641D1 (de)
WO (1) WO2003017528A1 (de)

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US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8170513B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
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US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
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US20050281349A1 (en) * 2004-06-21 2005-12-22 Brodcom Corporation Multiple streams using STBC with higher data rates and diversity gain within a wireless local area network
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CN101002447A (zh) 2004-08-12 2007-07-18 美商内数位科技公司 正交分频多工无线通信系统中实施空间频率区块编码方法及装置
US7561631B2 (en) * 2004-08-25 2009-07-14 Broadcom Corporation Multiple streams using partial STBC with SDM within a wireless local area network
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EP1794901B1 (de) 2004-09-30 2014-02-26 LG Electronics Inc. Verfahren zum empfangen und senden von daten und zum schätzen von kanalinformationen in einem ofdm/ofdma-mobilkommunikationssystem
US7558591B2 (en) 2004-10-12 2009-07-07 Magnolia Broadband Inc. Determining a power control group boundary of a power control group
US7515877B2 (en) 2004-11-04 2009-04-07 Magnolia Broadband Inc. Communicating signals according to a quality indicator and a time boundary indicator
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US7616930B2 (en) 2005-05-24 2009-11-10 Magnolia Broadband Inc. Determining a phase adjustment in accordance with power trends
US8358714B2 (en) 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
US7783267B1 (en) 2005-06-23 2010-08-24 Magnolia Broadband Inc. Modifying a signal in response to quality indicator availability
US7633905B1 (en) 2005-09-02 2009-12-15 Magnolia Broadband Inc. Calibrating a transmit diversity communication device
US7835702B1 (en) 2005-09-15 2010-11-16 Magnolia Broadband Inc. Calculating a diversity parameter adjustment according to previously applied diversity parameter adjustments
KR100895992B1 (ko) * 2005-09-16 2009-05-07 삼성전자주식회사 다중 안테나를 사용하는 무선통신시스템에서 안테나 개수를확장하기 위한 장치 및 방법
US7746946B2 (en) 2005-10-10 2010-06-29 Magnolia Broadband Inc. Performing a scan of diversity parameter differences
US7630445B1 (en) 2005-10-25 2009-12-08 Magnolia Broadband Inc. Establishing slot boundaries of slots of a diversity control feedback signal
US7796717B2 (en) 2005-11-02 2010-09-14 Magnolia Brandband Inc. Modifying a signal according to a diversity parameter adjustment
US7965987B2 (en) 2005-11-03 2011-06-21 Magnolia Broadband Inc. Amplifying a transmit signal using a fractional power amplifier
WO2007106980A1 (en) * 2006-03-17 2007-09-27 Nortel Networks Limited Closed-loop mimo systems and methods
EP1843484A1 (de) 2006-04-03 2007-10-10 Nokia Siemens Networks Gmbh & Co. Kg Verfahren zur Datenübertragung in einem Funkkommunikationssystem sowie Funkstation und Funkkommunikationssystem
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US8150441B2 (en) 2006-11-06 2012-04-03 Magnolia Broadband Inc. Modifying a signal by controlling transmit diversity parameters
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US8670504B2 (en) * 2006-12-19 2014-03-11 Qualcomm Incorporated Beamspace-time coding based on channel quality feedback
US7663545B2 (en) 2006-12-26 2010-02-16 Magnolia Broadband Inc. Method, system and apparatus for determining antenna weighting for transmit diversity
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US7869535B2 (en) 2007-02-28 2011-01-11 Magnolia Broadband Inc. Method, system and apparatus for phase control of transmit diversity signals
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US7991365B2 (en) 2007-03-01 2011-08-02 Magnolia Broadband Inc. Method, system and apparatus for estimation of propagation path variability of a transmit diversity channel
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Also Published As

Publication number Publication date
EP1284545A1 (de) 2003-02-19
CN100581076C (zh) 2010-01-13
US20040252779A1 (en) 2004-12-16
EP1417780A1 (de) 2004-05-12
EP1284545B1 (de) 2008-07-02
US7308035B2 (en) 2007-12-11
KR100926643B1 (ko) 2009-11-16
ATE400097T1 (de) 2008-07-15
CN1541459A (zh) 2004-10-27
WO2003017528A1 (en) 2003-02-27
KR20040030098A (ko) 2004-04-08

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Legal Events

Date Code Title Description
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