A Software-Defined Radio Receiver Architecture Robust to Out-of-Band Interference

Z. Ru; Eric A.M. Klumperink; Gerhardus J.M. Wienk; Bram Nauta

doi:10.1109/ISSCC.2009.4977392

A Software-Defined Radio Receiver Architecture Robust to Out-of-Band Interference

Z. Ru, Eric A.M. Klumperink, Gerhardus J.M. Wienk, Bram Nauta

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

81 Citations (Scopus)

266 Downloads (Pure)

Abstract

In a software-defined radio (SDR) receiver it is desirable to minimize RF band-filtering for flexibility, size and cost reasons, but this leads to increased out-of-band interference (OBI). Besides harmonic and intermodulation distortion (HD/IMD), OBI can also lead to blocking and harmonic mixing. A wideband LNA [1, 2] amplifies signal and interference with equal gain. Even a low gain of 6dB can clip 0dBm OBI to a 1.2V supply, blocking the receiver. Hard-switching mixers not only translate the wanted signal to baseband but also the interference around LO harmonics. Harmonic rejection (HR) mixers have been used [3, 1, 4], but are sensitive to phase and gain mismatch. Indeed the HR in [4] shows a large spread, whereas other work only shows results from one chip [3, 1]. This paper describes techniques to relax blocking and HD/IMD, and make HR robust to mismatch.

Original language	English
Title of host publication	IEEE International Solid-State Circuits Conference
Place of Publication	Piscataway
Publisher	IEEE
Pages	232-233
Number of pages	2
ISBN (Print)	978-1-4244-3458-9
DOIs	https://doi.org/10.1109/ISSCC.2009.4977392
Publication status	Published - 8 Feb 2009
Event	IEEE International Solid-State Circuits Conference, ISSCC 2009 - San Francisco, United States Duration: 8 Feb 2009 → 12 Feb 2009

Conference

Conference	IEEE International Solid-State Circuits Conference, ISSCC 2009
Abbreviated title	ISSCC
Country/Territory	United States
City	San Francisco
Period	8/02/09 → 12/02/09

Keywords

METIS-263872
IR-65508
EWI-15404

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Ru_IEEE_feb_2009_A_Software-Defined_Radio_ReceiverFinal published version, 702 KB

Cite this

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title = "A Software-Defined Radio Receiver Architecture Robust to Out-of-Band Interference",

abstract = "In a software-defined radio (SDR) receiver it is desirable to minimize RF band-filtering for flexibility, size and cost reasons, but this leads to increased out-of-band interference (OBI). Besides harmonic and intermodulation distortion (HD/IMD), OBI can also lead to blocking and harmonic mixing. A wideband LNA [1, 2] amplifies signal and interference with equal gain. Even a low gain of 6dB can clip 0dBm OBI to a 1.2V supply, blocking the receiver. Hard-switching mixers not only translate the wanted signal to baseband but also the interference around LO harmonics. Harmonic rejection (HR) mixers have been used [3, 1, 4], but are sensitive to phase and gain mismatch. Indeed the HR in [4] shows a large spread, whereas other work only shows results from one chip [3, 1]. This paper describes techniques to relax blocking and HD/IMD, and make HR robust to mismatch.",

keywords = "METIS-263872, IR-65508, EWI-15404",

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doi = "10.1109/ISSCC.2009.4977392",

language = "English",

isbn = "978-1-4244-3458-9",

pages = "232--233",

booktitle = "IEEE International Solid-State Circuits Conference",

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Ru, Z, Klumperink, EAM, Wienk, GJM & Nauta, B 2009, A Software-Defined Radio Receiver Architecture Robust to Out-of-Band Interference. in IEEE International Solid-State Circuits Conference. IEEE, Piscataway, pp. 232-233, IEEE International Solid-State Circuits Conference, ISSCC 2009, San Francisco, California, United States, 8/02/09. https://doi.org/10.1109/ISSCC.2009.4977392

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AU - Wienk, Gerhardus J.M.

AU - Nauta, Bram

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N2 - In a software-defined radio (SDR) receiver it is desirable to minimize RF band-filtering for flexibility, size and cost reasons, but this leads to increased out-of-band interference (OBI). Besides harmonic and intermodulation distortion (HD/IMD), OBI can also lead to blocking and harmonic mixing. A wideband LNA [1, 2] amplifies signal and interference with equal gain. Even a low gain of 6dB can clip 0dBm OBI to a 1.2V supply, blocking the receiver. Hard-switching mixers not only translate the wanted signal to baseband but also the interference around LO harmonics. Harmonic rejection (HR) mixers have been used [3, 1, 4], but are sensitive to phase and gain mismatch. Indeed the HR in [4] shows a large spread, whereas other work only shows results from one chip [3, 1]. This paper describes techniques to relax blocking and HD/IMD, and make HR robust to mismatch.

AB - In a software-defined radio (SDR) receiver it is desirable to minimize RF band-filtering for flexibility, size and cost reasons, but this leads to increased out-of-band interference (OBI). Besides harmonic and intermodulation distortion (HD/IMD), OBI can also lead to blocking and harmonic mixing. A wideband LNA [1, 2] amplifies signal and interference with equal gain. Even a low gain of 6dB can clip 0dBm OBI to a 1.2V supply, blocking the receiver. Hard-switching mixers not only translate the wanted signal to baseband but also the interference around LO harmonics. Harmonic rejection (HR) mixers have been used [3, 1, 4], but are sensitive to phase and gain mismatch. Indeed the HR in [4] shows a large spread, whereas other work only shows results from one chip [3, 1]. This paper describes techniques to relax blocking and HD/IMD, and make HR robust to mismatch.

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KW - IR-65508

KW - EWI-15404

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M3 - Conference contribution

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BT - IEEE International Solid-State Circuits Conference

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CY - Piscataway

T2 - IEEE International Solid-State Circuits Conference, ISSCC 2009

Y2 - 8 February 2009 through 12 February 2009

ER -

A Software-Defined Radio Receiver Architecture Robust to Out-of-Band Interference

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Keywords

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