DE60330190D1 - MIMO WLAN-system - Google Patents

MIMO WLAN-system

Info

Publication number: DE60330190D1
Authority: DE; Germany
Prior art keywords: mimo; employs; access; calibration; user terminals
Prior art date: 2002-10-25
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

DE60330190T

Other languages

English (en)

Inventor

Rodney J Walton

Mark S Wallace

John W Ketchum

Steven J Howard

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.)

Qualcomm Inc

Original Assignee

Qualcomm 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.)

2002-10-25

Filing date

2003-10-24

Publication date

2009-12-31

2003-10-24 Application filed by Qualcomm Inc filed Critical Qualcomm Inc

2009-12-31 Application granted granted Critical

2009-12-31 Publication of DE60330190D1 publication Critical patent/DE60330190D1/de

2023-10-25 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- 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
- H04B7/022—Site diversity; Macro-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
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
- H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
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- 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
- H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
- H—ELECTRICITY
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- H04B7/0868—Hybrid systems, i.e. switching and combining
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- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
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- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
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- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Quality & Reliability (AREA)
Power Engineering (AREA)
Physics & Mathematics (AREA)
Mathematical Physics (AREA)
Mobile Radio Communication Systems (AREA)
Radio Transmission System (AREA)
Detection And Prevention Of Errors In Transmission (AREA)
Small-Scale Networks (AREA)

DE60330190T 2002-10-25 2003-10-24 MIMO WLAN-system Expired - Lifetime DE60330190D1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US42130902P	2002-10-25	2002-10-25
US10/693,419 US8320301B2 (en)	2002-10-25	2003-10-23	MIMO WLAN system

Publications (1)

Publication Number	Publication Date
DE60330190D1 true DE60330190D1 (de)	2009-12-31

Family

ID=32110319

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE60331198T Expired - Lifetime DE60331198D1 (de)	2002-10-25	2003-10-24	Mimo-wlan-system
DE60330190T Expired - Lifetime DE60330190D1 (de)	2002-10-25	2003-10-24	MIMO WLAN-system

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
DE60331198T Expired - Lifetime DE60331198D1 (de)	2002-10-25	2003-10-24	Mimo-wlan-system

Country Status (17)

Country	Link
US (5)	US8320301B2 (de)
EP (7)	EP1619817B1 (de)
JP (1)	JP4943654B2 (de)
KR (1)	KR101064012B1 (de)
AT (3)	ATE457117T1 (de)
AU (3)	AU2003287291C1 (de)
BR (1)	BR0315677A (de)
CA (1)	CA2500355C (de)
DE (2)	DE60331198D1 (de)
ES (5)	ES2401200T3 (de)
HK (4)	HK1086125A1 (de)
HU (1)	HUE043994T2 (de)
IL (1)	IL167378A (de)
MX (1)	MXPA05004394A (de)
RU (4)	RU2485697C2 (de)
TW (1)	TWI330043B (de)
WO (1)	WO2004039011A2 (de)

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US6307487B1 (en) *	1998-09-23	2001-10-23	Digital Fountain, Inc.	Information additive code generator and decoder for communication systems
US8670390B2 (en)	2000-11-22	2014-03-11	Genghiscomm Holdings, LLC	Cooperative beam-forming in wireless networks
US6947748B2 (en)	2000-12-15	2005-09-20	Adaptix, Inc.	OFDMA with adaptive subcarrier-cluster configuration and selective loading
US10931338B2 (en)	2001-04-26	2021-02-23	Genghiscomm Holdings, LLC	Coordinated multipoint systems
US9819449B2 (en)	2002-05-14	2017-11-14	Genghiscomm Holdings, LLC	Cooperative subspace demultiplexing in content delivery networks
US10355720B2 (en)	2001-04-26	2019-07-16	Genghiscomm Holdings, LLC	Distributed software-defined radio
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Publication number	Publication date
EP1619817B1 (de)	2011-11-23
US8320301B2 (en)	2012-11-27
AU2003287291B2 (en)	2009-12-24
HK1091615A1 (en)	2007-01-19
HUE043994T2 (hu)	2019-09-30
US20080285669A1 (en)	2008-11-20
EP1582032A2 (de)	2005-10-05
EP1615384A1 (de)	2006-01-11
RU2008121015A (ru)	2009-12-10
RU2005115854A (ru)	2005-10-10
US20080285670A1 (en)	2008-11-20
EP2378695A2 (de)	2011-10-19
RU2485698C2 (ru)	2013-06-20
AU2009227852A1 (en)	2009-11-05
JP4943654B2 (ja)	2012-05-30
RU2008121016A (ru)	2009-12-10
EP2400694A3 (de)	2012-06-20
DE60331198D1 (de)	2010-03-25
ATE535070T1 (de)	2011-12-15
US9013974B2 (en)	2015-04-21
ES2375281T3 (es)	2012-02-28
EP2278728A3 (de)	2012-06-20
AU2009227854A1 (en)	2009-11-12
US20080285488A1 (en)	2008-11-20
ATE449470T1 (de)	2009-12-15
EP1619817A2 (de)	2006-01-25
EP2400694B1 (de)	2017-08-02
HK1125758A1 (en)	2009-08-14
EP2378695A3 (de)	2016-12-14
AU2003287291C1 (en)	2010-06-03
RU2008121067A (ru)	2009-12-10
RU2485697C2 (ru)	2013-06-20
EP2378695B1 (de)	2019-04-10
EP1582032B1 (de)	2010-02-03
EP2400694A2 (de)	2011-12-28
US8462643B2 (en)	2013-06-11
CA2500355C (en)	2014-12-16
US20040082356A1 (en)	2004-04-29
HK1086125A1 (en)	2006-09-08
US20140348258A1 (en)	2014-11-27
ATE457117T1 (de)	2010-02-15
TWI330043B (en)	2010-09-01
KR101064012B1 (ko)	2011-09-08
EP1615384B1 (de)	2009-11-18
RU2321951C2 (ru)	2008-04-10
EP1956756B1 (de)	2013-01-16
CA2500355A1 (en)	2004-05-06
TW200420150A (en)	2004-10-01
WO2004039011A3 (en)	2005-07-14
EP2278728A2 (de)	2011-01-26
WO2004039011A2 (en)	2004-05-06
ES2401200T3 (es)	2013-04-17
JP2006504335A (ja)	2006-02-02
MXPA05004394A (es)	2005-07-26
EP1956756A1 (de)	2008-08-13
BR0315677A (pt)	2005-09-06
ES2734515T3 (es)	2019-12-10
ES2336118T3 (es)	2010-04-08
EP1619817A3 (de)	2006-02-01
AU2003287291A1 (en)	2004-05-13
ES2339242T3 (es)	2010-05-18
RU2335852C2 (ru)	2008-10-10
US9240871B2 (en)	2016-01-19
KR20050053787A (ko)	2005-06-08
IL167378A (en)	2010-11-30
US8913529B2 (en)	2014-12-16
HK1091618A1 (en)	2007-01-19
RU2005115862A (ru)	2006-01-20

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