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Extract from the Register of European Patents

EP About this file: EP2156633

EP2156633 - METHOD AND APPARATUS FOR CORRECTING IQ IMBALANCE IN AN OFDM RECEIVER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.04.2016
Database last updated on 26.07.2024
Most recent event   Tooltip13.07.2018Lapse of the patent in a contracting statepublished on 15.08.2018  [2018/33]
Applicant(s)For all designated states
Telefonaktiebolaget LM Ericsson (publ)
164 83 Stockholm / SE
[N/P]
Former [2010/08]For all designated states
Telefonaktiebolaget L M Ericsson (publ)
164 83 Stockholm / SE
Inventor(s)01 / JONSSON, Elias
Södra Promenaden 3
S-211 29 Malmö / SE
 [2010/08]
Representative(s)Ericsson
Patent Development
Torshamnsgatan 21-23
164 80 Stockholm / SE
[N/P]
Former [2015/23]Åkerman, Mårten Lennart, et al
Ericsson AB Patent Unit Mobile Platforms Nya Vattentornet
221 83 Lund / SE
Former [2010/40]Akerman, Marten Lennart, et al
Ericsson AB Patent Unit Mobile Platforms Nya Vattentornet
221 83 Lund / SE
Former [2010/08]Bratt, Hanna Catharina, et al
Ericsson AB Patent Unit Mobile Platforms Nya Vattentornet
221 83 Lund / SE
Application number, filing date08736515.123.04.2008
[2010/08]
WO2008EP54947
Priority number, dateUS2007074329802.05.2007         Original published format: US 743298
[2010/08]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2008135393
Date:13.11.2008
Language:EN
[2008/46]
Type: A1 Application with search report 
No.:EP2156633
Date:24.02.2010
Language:EN
The application published by WIPO in one of the EPO official languages on 13.11.2008 takes the place of the publication of the European patent application.
[2010/08]
Type: B1 Patent specification 
No.:EP2156633
Date:03.06.2015
Language:EN
[2015/23]
Search report(s)International search report - published on:EP13.11.2008
ClassificationIPC:H04L27/38, H04L27/26
[2010/08]
CPC:
H04L27/2647 (EP,US); H04L27/3863 (EP,US); H04L1/06 (EP,US)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MT,   NL,   NO,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2015/23]
Former [2010/08]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HR,  HU,  IE,  IS,  IT,  LI,  LT,  LU,  LV,  MC,  MT,  NL,  NO,  PL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:VERFAHREN UND VORRICHTUNG ZUM KORRIGIEREN EINES IQ-UNGLEICHGEWICHTS IN EINEM OFDM-EMPFÄNGER[2010/08]
English:METHOD AND APPARATUS FOR CORRECTING IQ IMBALANCE IN AN OFDM RECEIVER[2010/08]
French:PROCÉDÉ ET APPAREIL POUR CORRIGER DES DÉSÉQUILIBRES IQ DANS UN RÉCEPTEUR OFDM[2010/08]
Entry into regional phase05.11.2009National basic fee paid 
05.11.2009Designation fee(s) paid 
05.11.2009Examination fee paid 
Examination procedure23.02.2009Request for preliminary examination filed
International Preliminary Examining Authority: EP
05.11.2009Amendment by applicant (claims and/or description)
05.11.2009Examination requested  [2010/08]
16.03.2011Despatch of a communication from the examining division (Time limit: M04)
07.07.2011Reply to a communication from the examining division
19.08.2014Communication of intention to grant the patent
16.12.2014Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
07.01.2015Communication of intention to grant the patent
24.04.2015Fee for grant paid
24.04.2015Fee for publishing/printing paid
24.04.2015Receipt of the translation of the claim(s)
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  16.03.2011
Opposition(s)04.03.2016No opposition filed within time limit [2016/19]
Fees paidRenewal fee
26.04.2010Renewal fee patent year 03
25.04.2011Renewal fee patent year 04
28.03.2012Renewal fee patent year 05
29.04.2013Renewal fee patent year 06
28.04.2014Renewal fee patent year 07
27.04.2015Renewal fee patent year 08
Opt-out from the exclusive  Tooltip
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipHU23.04.2008
AT03.06.2015
BE03.06.2015
CY03.06.2015
CZ03.06.2015
DK03.06.2015
EE03.06.2015
ES03.06.2015
FI03.06.2015
HR03.06.2015
IT03.06.2015
LT03.06.2015
LV03.06.2015
MC03.06.2015
NL03.06.2015
PL03.06.2015
RO03.06.2015
SE03.06.2015
SI03.06.2015
SK03.06.2015
TR03.06.2015
BG03.09.2015
NO03.09.2015
GR04.09.2015
IS03.10.2015
PT06.10.2015
[2018/32]
Former [2018/29]HU23.04.2008
AT03.06.2015
BE03.06.2015
CY03.06.2015
CZ03.06.2015
DK03.06.2015
EE03.06.2015
ES03.06.2015
FI03.06.2015
HR03.06.2015
IT03.06.2015
LT03.06.2015
LV03.06.2015
MC03.06.2015
NL03.06.2015
PL03.06.2015
RO03.06.2015
SE03.06.2015
SI03.06.2015
SK03.06.2015
TR03.06.2015
BG03.09.2015
NO03.09.2015
GR04.09.2015
IS03.10.2015
PT06.10.2015
Former [2018/28]HU23.04.2008
AT03.06.2015
BE03.06.2015
CY03.06.2015
CZ03.06.2015
DK03.06.2015
EE03.06.2015
ES03.06.2015
FI03.06.2015
HR03.06.2015
IT03.06.2015
LT03.06.2015
LV03.06.2015
MC03.06.2015
NL03.06.2015
PL03.06.2015
RO03.06.2015
SE03.06.2015
SI03.06.2015
SK03.06.2015
BG03.09.2015
NO03.09.2015
GR04.09.2015
IS03.10.2015
PT06.10.2015
Former [2017/40]AT03.06.2015
BE03.06.2015
CZ03.06.2015
DK03.06.2015
EE03.06.2015
ES03.06.2015
FI03.06.2015
HR03.06.2015
IT03.06.2015
LT03.06.2015
LV03.06.2015
NL03.06.2015
PL03.06.2015
RO03.06.2015
SE03.06.2015
SI03.06.2015
SK03.06.2015
BG03.09.2015
NO03.09.2015
GR04.09.2015
IS03.10.2015
PT06.10.2015
Former [2017/03]AT03.06.2015
BE03.06.2015
CZ03.06.2015
DK03.06.2015
EE03.06.2015
ES03.06.2015
FI03.06.2015
HR03.06.2015
IT03.06.2015
LT03.06.2015
LV03.06.2015
PL03.06.2015
RO03.06.2015
SI03.06.2015
SK03.06.2015
BG03.09.2015
NO03.09.2015
GR04.09.2015
IS03.10.2015
PT06.10.2015
Former [2016/24]AT03.06.2015
CZ03.06.2015
DK03.06.2015
EE03.06.2015
ES03.06.2015
FI03.06.2015
HR03.06.2015
IT03.06.2015
LT03.06.2015
LV03.06.2015
PL03.06.2015
RO03.06.2015
SI03.06.2015
SK03.06.2015
BG03.09.2015
NO03.09.2015
GR04.09.2015
IS03.10.2015
PT06.10.2015
Former [2016/21]AT03.06.2015
CZ03.06.2015
DK03.06.2015
EE03.06.2015
ES03.06.2015
FI03.06.2015
HR03.06.2015
IT03.06.2015
LT03.06.2015
LV03.06.2015
PL03.06.2015
RO03.06.2015
SK03.06.2015
BG03.09.2015
NO03.09.2015
GR04.09.2015
IS03.10.2015
PT06.10.2015
Former [2016/20]AT03.06.2015
CZ03.06.2015
DK03.06.2015
EE03.06.2015
ES03.06.2015
FI03.06.2015
HR03.06.2015
LT03.06.2015
LV03.06.2015
PL03.06.2015
RO03.06.2015
SK03.06.2015
BG03.09.2015
NO03.09.2015
GR04.09.2015
IS03.10.2015
PT06.10.2015
Former [2016/10]AT03.06.2015
CZ03.06.2015
EE03.06.2015
ES03.06.2015
FI03.06.2015
HR03.06.2015
LT03.06.2015
LV03.06.2015
PL03.06.2015
RO03.06.2015
SK03.06.2015
BG03.09.2015
NO03.09.2015
GR04.09.2015
IS03.10.2015
PT06.10.2015
Former [2016/09]AT03.06.2015
EE03.06.2015
ES03.06.2015
FI03.06.2015
HR03.06.2015
LT03.06.2015
LV03.06.2015
BG03.09.2015
NO03.09.2015
GR04.09.2015
Former [2015/51]AT03.06.2015
ES03.06.2015
FI03.06.2015
HR03.06.2015
LT03.06.2015
LV03.06.2015
BG03.09.2015
NO03.09.2015
GR04.09.2015
Former [2015/50]ES03.06.2015
FI03.06.2015
HR03.06.2015
LT03.06.2015
LV03.06.2015
BG03.09.2015
NO03.09.2015
GR04.09.2015
Former [2015/49]ES03.06.2015
FI03.06.2015
HR03.06.2015
LT03.06.2015
LV03.06.2015
NO03.09.2015
GR04.09.2015
Cited inInternational search[A]US2003231726  (SCHUCHERT ANDREAS [DE], et al) [A] 1-27 * abstract * * page 2, paragraph 28 - paragraph 29 *;
 [X]  - BAGHERI R ET AL, "Compensation Schemes and Performance Analysis of IQ Imbalances in OFDM Receivers", IEEE TRANSACTIONS ON SIGNAL PROCESSING, IEEE SERVICE CENTER, NEW YORK, NY, US, (20050801), vol. 53, no. 8, ISSN 1053-587X, pages 3257 - 3268, XP011136506 [X] 1-4,10-14,16-18,20-23,26 * the whole document *

DOI:   http://dx.doi.org/10.1109/TSP.2005.851156
 [A]  - SAYED A H ET AL, "MIMO OFDM Receivers for Systems With IQ Imbalances", IEEE TRANSACTIONS ON SIGNAL PROCESSING, IEEE SERVICE CENTER, NEW YORK, NY, US, (20050901), vol. 53, no. 9, ISSN 1053-587X, pages 3583 - 3596, XP011137865 [A] 1-27 * the whole document *

DOI:   http://dx.doi.org/10.1109/TSP.2005.853148
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