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The effect of DPD bandwidth limitation on EVM for a 28 nm WLAN 802.11ac transmitter
Linköping University, Department of Electrical Engineering, Integrated Circuits and Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Integrated Circuits and Systems. Linköping University, Faculty of Science & Engineering.
Catena Wireless Elect AB, Sweden.
2017 (English)In: 2017 IEEE NORDIC CIRCUITS AND SYSTEMS CONFERENCE (NORCAS): NORCHIP AND INTERNATIONAL SYMPOSIUM OF SYSTEM-ON-CHIP (SOC), IEEE , 2017Conference paper, Published paper (Refereed)
Abstract [en]

Digital predistortion (DPD) performance for an IEEE 802.11ac WLAN transmitter in 28 nm CMOS, using 20 and 80 MHz bandwidth with 256QAM modulation, is analyzed under different bandwidth limitations. Due to band-limited conditions in the transmitter chain, the DPD linearization performance may be reduced. For a minimum transmitter error vector magnitude (EVM) requirement of -32 dB (2.5%) for 256QAM modulation, a reduction in the maximum linear output power of 1.6 dB due to bandwidth limitations in the transmitter chain is estimated using simulations and measurement results.

Place, publisher, year, edition, pages
IEEE , 2017.
Keywords [en]
Digital Predistortion; Radio Frequency; Power Amplifier
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:liu:diva-145840DOI: 10.1109/NORCHIP.2017.8124943ISI: 000425049100002ISBN: 978-1-5386-2844-7 OAI: oai:DiVA.org:liu-145840DiVA, id: diva2:1192103
Conference
IEEE Nordic Circuits and Systems Conference (NORCAS) / NORCHIP and International Symposium of System-on-Chip (SoC)
Note

Funding Agencies|Strategic Innovation Program "Smartare Elektroniksystem"; joint venture of the Swedish Governmental Agency for Innovation Systems; Swedish Research Council Formas; Swedish Energy Agency

Available from: 2018-03-21 Created: 2018-03-21 Last updated: 2018-03-21

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Total: 46 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf