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DPD Digital Pre-Distortion - Expert

posted Sep 3, 2015, 1:09 AM by Unknown user
Position: Contract 12- 24 month / Permanent 
Location: Sweden

!!!! For this position, DPD algorithm Expert, the candidate we are seeking is the DPD algorithm engineer who developed the algorithms. !!!!!

Job Description:
Principal engineer for the development of digital power amplifier linearization algorithms. Also known as digital pre-distortion algorithms.

  • Research and develop next generation DPD algorithms operating on wide bandwidths, with extreme performance requirements, and/or over multiple TX bands.
  • Create new power amplifier models which take into account transient effects of changing input signals.
  • Assist the implementation team in creating the final commercial product.

Candidate required skills:
  • Must have experience with non-linear systems.
  • MS/PhD in engineering or equivalent
  • Strong verbal and written English skills so as to create detailed technical reports to be sent to the implementation group.
  • Must be able to communicate via email and telephone with development teams spread across multiple locations.
  • Able to assist the ASIC department in architecting an ASIC to implement DPD algorithms.

Candidate desired (but optional) skills:
  • Experience with Volterra-Wiener systems.
  • Prior experience with analog or digital linearization of power amplifiers.
  • Prior experience in the wireless infrastructure industry (GSM, WCDMA, LTE, WiMax, etc.)
  • Familiar with digital transmitters including digital IF, clipping/ crest factor reduction (CFR).

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