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Low-Voltage Power-Efficient Envelope Tracker - EP2724461

The patent EP2724461 was granted to Qualcomm Incorporated on Aug 9, 2017. The application was originally filed on Jun 24, 2012 under application number EP12738270A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP2724461

QUALCOMM INCORPORATED
Application Number
EP12738270A
Filing Date
Jun 24, 2012
Status
Granted And Under Opposition
Jul 7, 2017
Grant Date
Aug 9, 2017
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

Patent Oppositions (2)

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APPLEDec 14, 2017ADMISSIBLE
INTELDec 14, 2017WITHDRAWN

Patent Citations (10) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS6300826
INTERNATIONAL-SEARCH-REPORTUS2005046474
INTERNATIONAL-SEARCH-REPORTUS2005215209
OPPOSITIONCN101867284
OPPOSITIONEP2579456
OPPOSITIONUS2005215209
OPPOSITIONUS2011059707
OPPOSITIONUS2011109387
OPPOSITIONUS5905407
OPPOSITIONUS6300826

Non-Patent Literature (NPL) Citations (17) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
INTERNATIONAL-SEARCH-REPORT- DAEHYUN KANG ET AL, "A Multimode/Multiband Power Amplifier With a Boosted Supply Modulator", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, (20101001), vol. 58, no. 10, ISSN 0018-9480, pages 2598 - 2608, XP011317521 [X] 1-19 * figure 4 *-
INTERNATIONAL-SEARCH-REPORT- DAEHYUN KANG ET AL, "LTE Power Amplifier for envelope tracking polar transmitters", MICROWAVE CONFERENCE (EUMC), 2010 EUROPEAN, IEEE, PISCATAWAY, NJ, USA, (20100928), ISBN 978-1-4244-7232-1, pages 628 - 631, XP031786114 [X] 1-3,6-8,10-17,19 * figure 9 *-
INTERNATIONAL-SEARCH-REPORT- DONGSU KIM ET AL, "High efficiency and wideband envelope tracking power amplifier with sweet spot tracking", RADIO FREQUENCY INTEGRATED CIRCUITS SYMPOSIUM (RFIC), 2010 IEEE, IEEE, PISCATAWAY, NJ, USA, (20100523), ISBN 978-1-4244-6240-7, pages 255 - 258, XP031684103 [X] 1-17,19 * figures 3-5 *-
INTERNATIONAL-SEARCH-REPORT- HANS ERTL ET AL, "Basic Considerations and Topologies of Switched-Mode Assisted Linear Power Amplifiers", IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, IEEE SERVICE CENTER, PISCATAWAY, NJ, USA, (19970201), vol. 44, no. 1, ISSN 0278-0046, XP011023224 [X] 20,24 * figures 2, 9c, 9d *-
INTERNATIONAL-SEARCH-REPORT- JASON T STAUTH ET AL, "Optimum Bias Calculation for Parallel Hybrid Switching-Linear Regulators", APPLIED POWER ELECTRONICS CONFERENCE, APEC 2007 - TWENTY SECOND ANNUAL IEEE, IEEE, PI, (20070201), ISBN 978-1-4244-0713-2, pages 569 - 574, XP031085267 [X] 16,19-21,24,26 * figure 1 * [I] 18,22,23-
INTERNATIONAL-SEARCH-REPORT- JINSUNG CHOI ET AL, "A Polar Transmitter With CMOS Programmable Hysteretic-Controlled Hybrid Switching Supply Modulator for Multistandard Applications", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, (20090701), vol. 57, no. 7, ISSN 0018-9480, pages 1675 - 1686, XP011258456 [X] 16,18,19 * figure 1 *-
INTERNATIONAL-SEARCH-REPORT- JINSUNG CHOI ET AL, "Envelope tracking power amplifier robust to battery depletion", MICROWAVE SYMPOSIUM DIGEST (MTT), 2010 IEEE MTT-S INTERNATIONAL, IEEE, PISCATAWAY, NJ, USA, (20100523), ISBN 978-1-4244-6056-4, pages 1074 - 1077, XP031714159 [X] 1-3,6,8,10-17,19 * abstract *-
INTERNATIONAL-SEARCH-REPORT- YUSHAN LI ET AL, "High Efficiency Wide Bandwidth Power Supplies for GSM and EDGE RF Power Amplifiers", CONFERENCE PROCEEDINGS / IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS) : MAY 23 - 26, 2005, INTERNATIONAL CONFERENCE CENTER, KOBE, JAPAN, IEEE SERVICE CENTER, PISCATAWAY, NJ, (20050523), doi:10.1109/ISCAS.2005.1464837, ISBN 978-0-7803-8834-5, pages 1314 - 1317, XP010815779 [X] 16,19 * figure 4 * [I] 18
OPPOSITION- "12.3.2 Dynamic Power Supply Variation Using envelope Tracking/Envelope Elimination and Restoration Techniques", Gernot HUEBER, Robert Bogdan STASZEWSKI, Multi-Mode/ Multi-Band RF Transceivers for Wireless Communications - Advanced Techniques, Architectures, and Trends, John Wiley & Sons Inc., (20110000), pages 357 - 361, XP055457287-
OPPOSITION- Daehyun Kang; Dongsu Kim; Jinsung Choi; Bumman Kim, "LTE Power Amplifier for Envelope Tracking Polar Transmitters", 40th European Microwave Conference, (20100928), pages 628 - 631, XP031786114-
OPPOSITION- DONGSU KIM et al., "High Efficiency and Wideband Envelope Tracking Power Amplifier with Sweet Spot Tracking", Radio Frequency Integrated Circuits Symposium (RFIC), 2010 IEEE,, (20100523), pages 255 - 258, XP031684103-
OPPOSITION- Jason T Stauth; Seth R Sanders, "Optimum Bias Calculation for Parallel Hybrid Switching-Linear Regulators", Applied Power Electronics Conference, APEC 2007 - Twenty Second Annual IEEE,, (20070225), pages 569 - 574, XP031085267-
OPPOSITION- Jinsung Choi; Dongsu Kim; Daehyun Kang; Bumman Kim, "A Polar Transmitter With CMOS Programmable Hysteretic- Controlled Hybrid Switching Supply Modulator for Multistandard Applications", IEEE Transactions on Microwave Theory and Techniques, (20090701), vol. 57, no. 7, pages 1675 - 1686, XP011258456-
OPPOSITION- Jinsung Choi; Dongsu Kim; Daehyun Kang; Jungmin Park; Boshi Jin; Bumman Kim, "Envelope Tracking Power Amplifier Robust to Battery Depletion", Microwave Symposium Digest (MTT), 2010 IEEE MTT-S International,, (20100523), pages 1074 - 1077, XP031714159-
OPPOSITION- WING-YEE CHU; Bertan Bakkaloglu; Sayfe Kiaei, "A 10MHz-Bandwidth 2mV-Ripple PA-Supply Regulator for CDMA Transmitters", Solid-State Circuits Conference, 2008. ISSCC 2008. Digest of Technical Papers. IEEE International,, (20080203), page 448, 449, 626, XP031253736-
OPPOSITION- TAE-WOO KWAK et al., "A 2 W CMOS Hybrid Switching Amplitude Modulator for EDGE Polar Transmitters", IEEE JOURNAL OF SOLID-STATE CIRCUITS, (20071200), vol. 42, no. 12, pages 2666 - 2676, XP011197154
OPPOSITION- PATRICK Y. WU, ; Philip K T Mok, "A Two-Phase Switching Hybrid Supply Modulator for RF Power Amplifiers With 9% Efficiency Improvement", IEEE Journal of Solid State Circuits, (20101200), vol. 45, no. 12, pages 2543 - 2556, XP055081507

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