CA2495356C - Technique d'emission en diversite pour communications sans fil - Google Patents

Technique d'emission en diversite pour communications sans fil Download PDF

Info

Publication number: CA2495356C
Authority: CA; Canada
Prior art keywords: symbols; antennas; antenna; diversity; transmitter
Prior art date: 1997-09-16
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

CA2495356A

Other languages

English (en)

Other versions

CA2495356A1 (fr

Inventor

Vahid Tarokh

Siavash Alamouti

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.)

AT&T Mobility II LLC

Original Assignee

AT&T Mobility II LLC

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.)

1997-09-16

Filing date

1998-08-31

Publication date

2011-01-11

1998-08-31 Application filed by AT&T Mobility II LLC filed Critical AT&T Mobility II LLC

1998-08-31 Priority claimed from CA002405875A external-priority patent/CA2405875C/fr

1999-03-25 Publication of CA2495356A1 publication Critical patent/CA2495356A1/fr

2011-01-11 Application granted granted Critical

2011-01-11 Publication of CA2495356C publication Critical patent/CA2495356C/fr

2018-08-31 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000004891 communication Methods 0.000 title claims description 10
238000000034 method Methods 0.000 title description 12
230000021615 conjugation Effects 0.000 claims abstract description 8
238000007476 Maximum Likelihood Methods 0.000 claims description 17
230000000694 effects Effects 0.000 claims description 9
238000012546 transfer Methods 0.000 claims description 5
230000004044 response Effects 0.000 claims description 4
230000001268 conjugating effect Effects 0.000 claims 2
230000008054 signal transmission Effects 0.000 claims 1
238000013459 approach Methods 0.000 description 9
230000005540 biological transmission Effects 0.000 description 6
238000010586 diagram Methods 0.000 description 4
238000005562 fading Methods 0.000 description 4
230000008569 process Effects 0.000 description 4
230000015556 catabolic process Effects 0.000 description 2
238000006731 degradation reaction Methods 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
230000006872 improvement Effects 0.000 description 2
235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
244000046052 Phaseolus vulgaris Species 0.000 description 1
230000003321 amplification Effects 0.000 description 1
239000000872 buffer Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000001351 cycling effect Effects 0.000 description 1
230000001934 delay Effects 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
101150054913 hisZ gene Proteins 0.000 description 1
230000000116 mitigating effect Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000003199 nucleic acid amplification method Methods 0.000 description 1
230000010363 phase shift Effects 0.000 description 1
230000005855 radiation Effects 0.000 description 1
238000011084 recovery Methods 0.000 description 1
230000011664 signaling Effects 0.000 description 1
238000012549 training Methods 0.000 description 1

Landscapes

Radio Transmission System (AREA)

CA2495356A 1997-09-16 1998-08-31 Technique d'emission en diversite pour communications sans fil Expired - Lifetime CA2495356C (fr)

Applications Claiming Priority (7)

Application Number	Priority Date	Filing Date	Title
US5901697P	1997-09-16	1997-09-16
US60/059016		1997-09-16
US5921997P	1997-09-18	1997-09-18
US60/059219		1997-09-18
US6378097P	1997-10-31	1997-10-31
US60/063780		1997-10-31
CA002405875A CA2405875C (fr)	1997-09-16	1998-08-31	Technique d'emission en diversite pour communications sans fil

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002405875A Division CA2405875C (fr)	1997-09-16	1998-08-31	Technique d'emission en diversite pour communications sans fil

Publications (2)

Publication Number	Publication Date
CA2495356A1 CA2495356A1 (fr)	1999-03-25
CA2495356C true CA2495356C (fr)	2011-01-11

Family

ID=34397071

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
CA2495356A Expired - Lifetime CA2495356C (fr)	1997-09-16	1998-08-31	Technique d'emission en diversite pour communications sans fil
CA002536410A Expired - Lifetime CA2536410C (fr)	1997-09-16	1998-08-31	Technique d'emission en diversite pour communications sans fil
CA002509947A Abandoned CA2509947A1 (fr)	1997-09-16	1998-08-31	Technique d'emission en diversite pour communications sans fil

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
CA002536410A Expired - Lifetime CA2536410C (fr)	1997-09-16	1998-08-31	Technique d'emission en diversite pour communications sans fil
CA002509947A Abandoned CA2509947A1 (fr)	1997-09-16	1998-08-31	Technique d'emission en diversite pour communications sans fil

Country Status (1)

Country	Link
CA (3)	CA2495356C (fr)

1998
- 1998-08-31 CA CA2495356A patent/CA2495356C/fr not_active Expired - Lifetime
- 1998-08-31 CA CA002536410A patent/CA2536410C/fr not_active Expired - Lifetime
- 1998-08-31 CA CA002509947A patent/CA2509947A1/fr not_active Abandoned

Also Published As

Publication number	Publication date
CA2509947A1 (fr)	1999-03-25
CA2495356A1 (fr)	1999-03-25
CA2536410C (fr)	2009-05-19
CA2536410A1 (fr)	1999-03-25

Legal Events

Date	Code	Title	Description
2005-02-16	EEER	Examination request
2018-11-04	MKEX	Expiry	Effective date: 20180831

Publication	Publication Date	Title
US8767874B2 (en)	2014-07-01	Transmitter diversity technique for wireless communications
JP4334943B2 (ja)	2009-09-30	無線機器のための連結された空間符号の簡単な最尤検出
EP1372271A2 (fr)	2003-12-17	Technique d'émission en diversité pour communication sans fil
CA2495356C (fr)	2011-01-11	Technique d'emission en diversite pour communications sans fil
CA2405875C (fr)	2007-01-09	Technique d'emission en diversite pour communications sans fil
CA2411286C (fr)	2010-02-23	Detection par probabilite maximale a faible complexite de codes d'espaces concatenes pour applications sans fil
MXPA00002573A (en)	2001-03-05	Transmitter diversity technique for wireless communications