edson nuñez

* Estimation of the measurement uncertainty in a radiofrequency system * Determination of the measurement model in different test and calibration methods. * Determination of the uncertainty budget in the measurements of power and S parameter.

* Expert in RF and microwave metrology: * Understand of the metrology and calibration method associated to different measurements: RF power, S parameter, complex permeability, etc. * Utilization of algorithmes stochastiques for variance reduction in Monte Carlo method. * Preparation of proposals in the draft IEC 62209-3. * Understanding of the measurement model and calibration method of the dosimetric E-field probes. * Understanding of the Vector-Probe array technology for the SAR measurement. * Expert in the planning and setting up of tests: * Planning of intercomparison tests, preparation of statistical tests and validation of results. * Making of interlaboratory test for the SAR measurements with regulator bodies. * Utilisation of SARLAB for carrying out the SAR measurements in the different positions demanded by the standard IEC62209-1/2. * Setting up of Agilent 8960, CMU200 and CMW500 for the signaling test in GSM/GPSR/EDGE, WCDMA, LTE, etc. * Knowledge of the communication protocol used in 2G, 3G and 4G cellular technologies. * Able to operate the DASY system and ARTMAN.

Research Professional 4-I - Development and improvement of test setup for measuring the SAR (Specific Absorption Rate) of cellphones, according to international standards (IEC 62209-1:2005, IEEE 1528:2003). - Development and improvement of test setup for the assessment of radiated electromagnetic compatibility (EMC) in several types of equipment covered by the application of the series of product's standards ETSI 301489-x, which utilize a basic test setup based on the international standard IEC61000-4-3:2010. - Development and improvement of test setup for the assessment of radio disturbances emitted by several types of equipment covered by the application of the series of product's standards ETSI 301489-x, using a basic test setup based on the international standard CISPR22: 2008.

Research Professional 1-IV / Engineer of standardization, regulations and quality assurance - Understanding of the conformity assessment systems, the regulatory requirements and approval process for the telecommunications equipment in CE, Chine, Japan, USA, Canada, Brazil, Mexico and Argentina. - Planification and cooperation with the regulators body in Venezuela (CONATEL,SENCAMER) for the development of a conformity assessment system applicable to the telecommunications equipment prior to the entry in the domestic market. - Participation in the national standardization committee related to the EMC tests for telecommunications equipments.