EP2481234A4 - X-mimo systems with multi-transmitters and multi- receivers - Google Patents

X-mimo systems with multi-transmitters and multi- receivers

Info

Publication number: EP2481234A4
Authority: EP; European Patent Office
Prior art keywords: transmitters; receivers; mimo systems; mimo; systems
Prior art date: 2009-09-24
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.): Ceased

Application number

EP10818207.2A

Other languages

German (de)

French (fr)

Other versions

EP2481234A1 (en

Inventor

Mohammad Maddah-Ali

Seyed Abolfazl Motahari

Amir Khandani

Mohammadhadi Ballgh

Ming Jia

Jianglei Ma

Peiying Zhu

Wen Tong

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.)

BlackBerry Ltd

Original Assignee

BlackBerry Ltd

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.)

2009-09-24

Filing date

2010-09-24

Publication date

2016-06-01

2010-09-24 Application filed by BlackBerry Ltd filed Critical BlackBerry Ltd

2010-09-24 Priority to EP20182637.7A priority Critical patent/EP3793094A1/en

2012-08-01 Publication of EP2481234A1 publication Critical patent/EP2481234A1/en

2016-06-01 Publication of EP2481234A4 publication Critical patent/EP2481234A4/en

Status Ceased legal-status Critical Current

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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- 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
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
- 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
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Power Engineering (AREA)
Mobile Radio Communication Systems (AREA)
Radio Transmission System (AREA)
Radio Relay Systems (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

EP10818207.2A 2009-09-24 2010-09-24 X-mimo systems with multi-transmitters and multi- receivers Ceased EP2481234A4 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP20182637.7A EP3793094A1 (en)	2009-09-24	2010-09-24	X-mimo systems with multi-transmitters and multi- receivers

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US24533909P	2009-09-24	2009-09-24
PCT/CA2010/001529 WO2011035439A1 (en)	2009-09-24	2010-09-24	X-mimo systems with multi-transmitters and multi- receivers

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20182637.7A Division EP3793094A1 (en)	2009-09-24	2010-09-24	X-mimo systems with multi-transmitters and multi- receivers

Publications (2)

Publication Number	Publication Date
EP2481234A1 EP2481234A1 (en)	2012-08-01
EP2481234A4 true EP2481234A4 (en)	2016-06-01

Family

ID=43795264

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP10818207.2A Ceased EP2481234A4 (en)	2009-09-24	2010-09-24	X-mimo systems with multi-transmitters and multi- receivers
EP20182637.7A Withdrawn EP3793094A1 (en)	2009-09-24	2010-09-24	X-mimo systems with multi-transmitters and multi- receivers

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
EP20182637.7A Withdrawn EP3793094A1 (en)	2009-09-24	2010-09-24	X-mimo systems with multi-transmitters and multi- receivers

Country Status (9)

Country	Link
EP (2)	EP2481234A4 (en)
JP (1)	JP2013506319A (en)
KR (1)	KR20120086296A (en)
CN (1)	CN102812737B (en)
BR (1)	BR112012007086A2 (en)
CA (1)	CA2775002A1 (en)
IN (1)	IN2012DN02386A (en)
RU (1)	RU2012116213A (en)
WO (1)	WO2011035439A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20220393841A1 (en) *	2021-06-03	2022-12-08	Mediatek Inc.	Downlink framework for distributed mimo receivers

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20090143008A1 (en) *	2007-11-30	2009-06-04	Nokia Corporation	Apparatus, method and computer program product for determining transmit weights in relay networks
WO2009082179A2 (en) *	2007-12-26	2009-07-02	Lg Electronics Inc.	Method of transmitting feedback information for performing collaborative mimo

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7197084B2 (en) *	2002-03-27	2007-03-27	Qualcomm Incorporated	Precoding for a multipath channel in a MIMO system
US8208364B2 (en) *	2002-10-25	2012-06-26	Qualcomm Incorporated	MIMO system with multiple spatial multiplexing modes
US7720173B2 (en) *	2005-10-17	2010-05-18	Samsung Electronics Co., Ltd	Apparatus and method for transmitting/receiving data in multi-user multi-antenna communication system
US8077686B2 (en) *	2007-07-20	2011-12-13	Marvell World Trade Ltd.	Multiple packet data network support over trusted access
KR100995045B1 (en) *	2007-12-31	2010-11-19	엘지전자 주식회사	A method for receiving a precoded signal in collaborative multiple input multiple output communication system

2010
- 2010-09-24 BR BR112012007086A patent/BR112012007086A2/en not_active IP Right Cessation
- 2010-09-24 WO PCT/CA2010/001529 patent/WO2011035439A1/en active Application Filing
- 2010-09-24 EP EP10818207.2A patent/EP2481234A4/en not_active Ceased
- 2010-09-24 CA CA2775002A patent/CA2775002A1/en not_active Abandoned
- 2010-09-24 KR KR1020127010462A patent/KR20120086296A/en active Search and Examination
- 2010-09-24 EP EP20182637.7A patent/EP3793094A1/en not_active Withdrawn
- 2010-09-24 JP JP2012530062A patent/JP2013506319A/en active Pending
- 2010-09-24 IN IN2386DEN2012 patent/IN2012DN02386A/en unknown
- 2010-09-24 RU RU2012116213/08A patent/RU2012116213A/en not_active Application Discontinuation
- 2010-09-24 CN CN201080052990.3A patent/CN102812737B/en active Active

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20090143008A1 (en) *	2007-11-30	2009-06-04	Nokia Corporation	Apparatus, method and computer program product for determining transmit weights in relay networks
WO2009082179A2 (en) *	2007-12-26	2009-07-02	Lg Electronics Inc.	Method of transmitting feedback information for performing collaborative mimo

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
MUNDARATH J C ET AL: "Multi-User Multi-Input Multi-Output (MU-MIMO) Downlink Beamforming Systems with Limited Feedback", 2008 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE : [IEEE GLOBECOM 2008] ; NEW ORLEANS, LOUISIANA, 30 NOVEMBER 2008 - 04 DECEMBER 2008, IEEE, PISCATAWAY, NJ, USA, 30 November 2008 (2008-11-30), pages 1 - 6, XP031370420, ISBN: 978-1-4244-2324-8 *
See also references of WO2011035439A1 *

Also Published As

Publication number	Publication date
CN102812737A (en)	2012-12-05
IN2012DN02386A (en)	2015-08-21
WO2011035439A8 (en)	2012-04-12
EP3793094A1 (en)	2021-03-17
CA2775002A1 (en)	2011-03-31
KR20120086296A (en)	2012-08-02
RU2012116213A (en)	2013-11-10
WO2011035439A1 (en)	2011-03-31
BR112012007086A2 (en)	2019-09-24
CN102812737B (en)	2016-01-13
JP2013506319A (en)	2013-02-21
EP2481234A1 (en)	2012-08-01

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Legal Events

Date	Code	Title	Description
2012-06-29	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2012-08-01	17P	Request for examination filed	Effective date: 20120411
2012-08-01	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
2012-10-10	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: 2256355 ONTARIO LIMITED
2012-10-17	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: RESEARCH IN MOTION LIMITED
2013-01-02	DAX	Request for extension of the european patent (deleted)
2013-03-15	REG	Reference to a national code	Ref country code: HK Ref legal event code: DE Ref document number: 1171121 Country of ref document: HK
2013-09-04	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: BLACKBERRY LIMITED
2013-11-27	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: BLACKBERRY LIMITED
2016-06-01	RA4	Supplementary search report drawn up and despatched (corrected)	Effective date: 20160504
2016-06-01	RIC1	Information provided on ipc code assigned before grant	Ipc: H04B 7/02 20060101AFI20160428BHEP Ipc: H04B 7/06 20060101ALI20160428BHEP
2018-06-20	17Q	First examination report despatched	Effective date: 20180522
2020-05-08	REG	Reference to a national code	Ref country code: DE Ref legal event code: R003
2020-08-14	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED
2020-09-16	18R	Application refused	Effective date: 20200508
2021-05-07	REG	Reference to a national code	Ref country code: HK Ref legal event code: WD Ref document number: 1171121 Country of ref document: HK