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Extract from the Register of European Patents

EP About this file: EP1774690

EP1774690 - DELTA MODULATION FOR CHANNEL FEEDBACK IN TRANSMIT DIVERSITY WIRELESS COMMUNICATION SYSTEMS [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  23.08.2019
Database last updated on 24.08.2024
FormerGrant of patent is intended
Status updated on  19.11.2018
FormerExamination is in progress
Status updated on  29.06.2018
Most recent event   Tooltip23.08.2019Application deemed to be withdrawnpublished on 25.09.2019  [2019/39]
Applicant(s)For all designated states
Telefonaktiebolaget LM Ericsson (publ)
164 83 Stockholm / SE
[N/P]
Former [2007/16]For all designated states
TELEFONAKTIEBOLAGET LM ERICSSON (publ)
Patent Unit
164 83 Stockholm / SE
Inventor(s)01 / KOORAPATY, Havish
102 Horsepond Court
Cary, NC 27513 / US
02 / RAMESH, Rajaram
403 Danton Drive
Cary, NC 27511 / US
03 / KRASNY, Leonid
111 Gray Mare's Lane
Cary, NC 27511 / US
 [2007/16]
Representative(s)Brann AB
P.O. Box 3690
Sveavägen 63
103 59 Stockholm / SE
[N/P]
Former [2007/16]Kühn, Friedrich Heinrich
Ericsson AB Patent Unit LTE Torshamnsgatan 23
164 80 Stockholm / SE
Application number, filing date05761829.015.07.2005
[2007/16]
WO2005SE01164
Priority number, dateUS2004089725022.07.2004         Original published format: US 897250
[2007/16]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2006009510
Date:26.01.2006
Language:EN
[2006/04]
Type: A1 Application with search report 
No.:EP1774690
Date:18.04.2007
Language:EN
The application published by WIPO in one of the EPO official languages on 26.01.2006 takes the place of the publication of the European patent application.
[2007/16]
Search report(s)International search report - published on:SE26.01.2006
(Supplementary) European search report - dispatched on:EP09.05.2012
ClassificationIPC:H04L1/12, H04L1/00, H04J1/00, H04L25/02
[2012/22]
CPC:
H04B7/0626 (EP,US); H04B7/0641 (EP,US); H04L25/0214 (EP,US);
H04L25/0228 (EP,US); H04L25/03343 (EP,US); H04L2025/03802 (EP,US)
Former IPC [2007/16]H04L1/12, H04L1/00, H04J1/00
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   NL,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2007/16]
Extension statesALNot yet paid
BANot yet paid
HRNot yet paid
MKNot yet paid
YUNot yet paid
TitleGerman:DELTA-MODULATION FÜR KANALRÜCKMELDUNG IN DRAHTLOSEN KOMMUNIKATIONSSYSTEMEN MIT SENDE-DIVERSITY[2007/16]
English:DELTA MODULATION FOR CHANNEL FEEDBACK IN TRANSMIT DIVERSITY WIRELESS COMMUNICATION SYSTEMS[2007/16]
French:MODULATION DELTA POUR RÉTROACTION DE CANAUX DANS DES SYSTÈMES DE COMMUNICATION SANS FIL À DIVERSITÉ DE TRANSMISSION[2018/51]
Former [2007/16]MODULATION DELTA POUR RETROACTION DE CANAUX DANS DES SYSTEMES DE COMMUNICATION SANS FIL A DIVERSITE DE TRANSMISSION
Entry into regional phase22.02.2007National basic fee paid 
22.02.2007Search fee paid 
22.02.2007Designation fee(s) paid 
22.02.2007Examination fee paid 
Examination procedure22.02.2007Examination requested  [2007/16]
14.11.2012Amendment by applicant (claims and/or description)
27.06.2018Despatch of a communication from the examining division (Time limit: M04)
27.09.2018Reply to a communication from the examining division
20.11.2018Communication of intention to grant the patent
02.04.2019Application deemed to be withdrawn, date of legal effect  [2019/39]
08.05.2019Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time  [2019/39]
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  27.06.2018
Fees paidRenewal fee
27.07.2007Renewal fee patent year 03
28.03.2008Renewal fee patent year 04
28.07.2009Renewal fee patent year 05
26.07.2010Renewal fee patent year 06
25.07.2011Renewal fee patent year 07
25.07.2012Renewal fee patent year 08
29.07.2013Renewal fee patent year 09
28.07.2014Renewal fee patent year 10
27.07.2015Renewal fee patent year 11
27.07.2016Renewal fee patent year 12
27.07.2017Renewal fee patent year 13
27.07.2018Renewal fee patent year 14
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Documents cited:Search[Y]WO0145296  (NOKIA MOBILE PHONES LTD [FI], et al) [Y] 11,15 * abstract * * page 1, lines 9-16, 35-38 * * page 3, lines 1-9 * * page 4, lines 4-13 * * figure 6 *;
 [Y]WO0243272  (NOKIA CORP [FI], et al) [Y] 5,10,14,18 * abstract * * page 1, line 30 - page 2, line 4 * * page 2, line 21 - line 25 * * page 4, line 17 - line 27 * * page 5, line 10 - page 8, line 33 * * figures 1,2 *;
 [Y]WO03009493  (INTEL CORP [US]) [Y] 1-18 * abstract * * page 1, line 23 - line 29 * * page 4, line 2 - line 31 * * page 7, line 21 - line 28 * * page 8, line 7 - line 16 * * page 10, line 13 - line 18 * * page 12, line 6 - line 9 * * figures 1,2 *;
 [Y]US6700923  (DOWLING ERIC M [US], et al) [Y] 3,4,8,9,12,13,16,17 * column 8, line 29 - line 34 *;
 [Y]  - N. S. JAYANT, "Digital Coding of Speech Waveforms: PCM, DPCM, and DM Quantizers", U.S. Journal " Proccedings of the IEEE", vol. 62, no. 5, (19740501), pages 611 - 633, URL: http://www.see.ed.ac.uk/~s0571365/Files/Articles/Communication/Modulations/Digital%20coding%20of%20speech%20waveforms_PCM_DPCM%20and%20DM%20quantizers_Javant74.pdf, (20120425), XP002674717 [Y] 1,2,6,7 * section III. Differential Pulse-Code Modulation section IV. Delta Modulation (DM) *

DOI:   http://dx.doi.org/10.1109/PROC.1974.9484
 [A]  - GERSHO A, "Quantization", IEEE COMMUNICATIONS SOCIETY MAGAZINE, IEEE, NEW YORK, NY, US, (19770901), vol. 15, no. 5, doi:10.1109/MCOM.1977.1089500, ISSN 0148-9615, page 16, XP011366777 [A] 1-18 * sections I and II *

DOI:   http://dx.doi.org/10.1109/MCOM.1977.1089500
International search[A]EP1143636  (SAMSUNG ELECTRONICS CO LTD [KR])
 [A]  - JOTTEN CA ET AL, "Efficient representation and feedback signaling of channel state information in frequency division duplexing MIMO systems.", INSPEC, Database accession no. (7652434), XP010619127

DOI:   http://dx.doi.org/10.1109/WPMC.2002.1088213
    [ ] - WIRELESS PERSONAL MULTIMEDIA COMMUNICATIONS., (20021027), vol. 2, pages 444 - 448
 [A]  - XUE Y ET AL, "Alamouti-type wireless communication systems with one-bit feedback.", SENSOR ARRAY AND MULTICHANNEL SIGNAL PROCESSING WORKSHOP PROCEEDINGS., (20040718), pages 143 - 147, XP010832469

DOI:   http://dx.doi.org/10.1109/SAM.2004.1502925
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