WO2007137229A3 - Digital and analog im3 product compensation circuits for an rf receiver - Google Patents

Digital and analog im3 product compensation circuits for an rf receiver Download PDF

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Publication number
WO2007137229A3
WO2007137229A3 PCT/US2007/069377 US2007069377W WO2007137229A3 WO 2007137229 A3 WO2007137229 A3 WO 2007137229A3 US 2007069377 W US2007069377 W US 2007069377W WO 2007137229 A3 WO2007137229 A3 WO 2007137229A3
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WO
WIPO (PCT)
Prior art keywords
products
signal path
analog
attenuate
receiver
Prior art date
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
PCT/US2007/069377
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French (fr)
Other versions
WO2007137229A2 (en
Inventor
Seyed Ali Hajimiri
Edward Keehr
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California Institute of Technology
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California Institute of Technology
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Filing date
Publication date
Application filed by California Institute of Technology filed Critical California Institute of Technology
Priority to EP07783992A priority Critical patent/EP2036210A2/en
Publication of WO2007137229A2 publication Critical patent/WO2007137229A2/en
Publication of WO2007137229A3 publication Critical patent/WO2007137229A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1018—Means associated with receiver for limiting or suppressing noise or interference noise filters connected between the power supply and the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)

Abstract

Third-order intermodulation products (IM3) are attenuated in RF receivers by providing a typical main signal path and a parallel auxiliary signal path in which the IM3 products are accentuated, and the output from the main signal path is adaptively filtered to attenuate the IM3 products. In one embodiment, a multirate filter bank (MRFB) with asymmetric analysis and synthesis sections is used to detect and isolate the IM3 products. In another embodiment an analog nonlinear term generator is placed at the front of the auxiliary signal path. The analog nonlinear term generator takes advantage of the nonlinearities of a differential MOSFET circuit and a multiplier to extract the IM3 products in the RF input signal. The outputs of the main signal path and the auxiliary signal path are inputs to a complex least mean squares filter to attenuate the IM3 products in the resulting signal.
PCT/US2007/069377 2006-05-19 2007-05-21 Digital and analog im3 product compensation circuits for an rf receiver Ceased WO2007137229A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07783992A EP2036210A2 (en) 2006-05-19 2007-05-21 Digital and analog im3 product compensation circuits for an rf receiver

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US80174006P 2006-05-19 2006-05-19
US60/801,740 2006-05-19
US93893707P 2007-05-18 2007-05-18
US60/938,937 2007-05-18

Publications (2)

Publication Number Publication Date
WO2007137229A2 WO2007137229A2 (en) 2007-11-29
WO2007137229A3 true WO2007137229A3 (en) 2008-03-06

Family

ID=38724069

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/069377 Ceased WO2007137229A2 (en) 2006-05-19 2007-05-21 Digital and analog im3 product compensation circuits for an rf receiver

Country Status (3)

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US (2) US7894788B2 (en)
EP (1) EP2036210A2 (en)
WO (1) WO2007137229A2 (en)

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WO2014202156A1 (en) 2013-06-18 2014-12-24 Telefonaktiebolaget L M Ericsson (Publ) Leakage cancellation for a multiple-input multiple-output transceiver
GB201313066D0 (en) * 2013-07-22 2013-09-04 Aceaxis Ltd Processing interference in a wireless network
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US11063616B2 (en) * 2018-07-24 2021-07-13 Raytheon Company Single clock timeshared channelizer circuit
US10985951B2 (en) 2019-03-15 2021-04-20 The Research Foundation for the State University Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers
CN111641400B (en) * 2020-05-07 2023-07-14 北京控制工程研究所 A Transfer Function Equivalent Method of CIC Filter Bank
US11025464B1 (en) 2020-05-09 2021-06-01 Analog Devices International Unlimited Company Passive intermodulation reduction with frequency shifting
CN112737519B (en) * 2020-12-28 2021-07-13 北京力通通信有限公司 Low noise and large bandwidth signal receiving unit
US20240260072A1 (en) * 2023-01-26 2024-08-01 Digital Analog Integration, Inc. Rf code-domain spread spectrum correlation for interference-tolerated communication and radar transceivers

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US20030184373A1 (en) * 2002-02-13 2003-10-02 Cameron Jay K. Ultra-low distortion, wide-bandwidth amplifier architecture using actively phase-matched feed-forward linearization
US20040038656A1 (en) * 2002-08-22 2004-02-26 Mccall John H. Method and apparatus for distortion reduction and optimizing current consumption via adjusting amplifier linearity

Also Published As

Publication number Publication date
US20110110473A1 (en) 2011-05-12
WO2007137229A2 (en) 2007-11-29
US8971834B2 (en) 2015-03-03
EP2036210A2 (en) 2009-03-18
US7894788B2 (en) 2011-02-22
US20090075610A1 (en) 2009-03-19

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