Local Oscillator Phase Noise Model for EVM Estimation and Optimization

Vitor Fialho, Fernando Fortes, Manuela Vieira

Research output: Contribution to journalReview article

Abstract

This work presents a local oscillator (LO) phase noise model and its experimental validation for carrier to phase noise ratio (CPNR) and error vector magnitude (EVM) evaluation on a radio frequency (RF) transceiver. The proposed LO model is based on a type II charge pump phase locked loop with a combined phase noise source from the voltage controlled oscillator and input reference with a low pass characteristic. The obtained results of CPNR and signal to phase noise ratio are based on numerical simulations and validated with experimental measurements based on a commercial RF transceiver chip. The EVM of the transmitted RF channel is also measured and compared with CPNR.

Original languageEnglish
Pages (from-to)45-52
Number of pages8
JournalIETE Journal of Research
Volume63
Issue number1
DOIs
Publication statusPublished - 2017

Fingerprint

Phase Noise
Phase noise
Optimization
Transceivers
Model
Phase-locked Loop
Experimental Validation
Variable frequency oscillators
Phase locked loops
Pump
Chip
Voltage
Charge
Pumps
Numerical Simulation
Computer simulation
Evaluation

Keywords

  • Carrier to phase noise ratio
  • Charge pump phase lock loop
  • Error vector magnitude
  • Local oscillator
  • Phase noise
  • Signal to phase noise ratio

Cite this

Fialho, Vitor ; Fortes, Fernando ; Vieira, Manuela. / Local Oscillator Phase Noise Model for EVM Estimation and Optimization. In: IETE Journal of Research. 2017 ; Vol. 63, No. 1. pp. 45-52.
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abstract = "This work presents a local oscillator (LO) phase noise model and its experimental validation for carrier to phase noise ratio (CPNR) and error vector magnitude (EVM) evaluation on a radio frequency (RF) transceiver. The proposed LO model is based on a type II charge pump phase locked loop with a combined phase noise source from the voltage controlled oscillator and input reference with a low pass characteristic. The obtained results of CPNR and signal to phase noise ratio are based on numerical simulations and validated with experimental measurements based on a commercial RF transceiver chip. The EVM of the transmitted RF channel is also measured and compared with CPNR.",
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Local Oscillator Phase Noise Model for EVM Estimation and Optimization. / Fialho, Vitor; Fortes, Fernando; Vieira, Manuela.

In: IETE Journal of Research, Vol. 63, No. 1, 2017, p. 45-52.

Research output: Contribution to journalReview article

TY - JOUR

T1 - Local Oscillator Phase Noise Model for EVM Estimation and Optimization

AU - Fialho, Vitor

AU - Fortes, Fernando

AU - Vieira, Manuela

N1 - Sem PDF.

PY - 2017

Y1 - 2017

N2 - This work presents a local oscillator (LO) phase noise model and its experimental validation for carrier to phase noise ratio (CPNR) and error vector magnitude (EVM) evaluation on a radio frequency (RF) transceiver. The proposed LO model is based on a type II charge pump phase locked loop with a combined phase noise source from the voltage controlled oscillator and input reference with a low pass characteristic. The obtained results of CPNR and signal to phase noise ratio are based on numerical simulations and validated with experimental measurements based on a commercial RF transceiver chip. The EVM of the transmitted RF channel is also measured and compared with CPNR.

AB - This work presents a local oscillator (LO) phase noise model and its experimental validation for carrier to phase noise ratio (CPNR) and error vector magnitude (EVM) evaluation on a radio frequency (RF) transceiver. The proposed LO model is based on a type II charge pump phase locked loop with a combined phase noise source from the voltage controlled oscillator and input reference with a low pass characteristic. The obtained results of CPNR and signal to phase noise ratio are based on numerical simulations and validated with experimental measurements based on a commercial RF transceiver chip. The EVM of the transmitted RF channel is also measured and compared with CPNR.

KW - Carrier to phase noise ratio

KW - Charge pump phase lock loop

KW - Error vector magnitude

KW - Local oscillator

KW - Phase noise

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