Rf & Field Engineer
Telefónica Romania S.A
Bucharest /Cluj County, Romania
• Perform call tests, internet speed test on the field according WCO for CDMA 1X, CDMA EV-DO, UMTS.• Support drivetest team on 3G and NMT for coverage and dropcall tests. • Test different Mobile terminals and modems for speed test on 3G using Lucent, ZTE and Huawei base stations.• In-depth knowledge to install, setting up and troubleshoot:-analog and digital base station for mobil phones NMT, GSM, UMTS like: Alcatel-Lucent Cdma, Nmt, ZTE base station, ZTE-Node B V4 with BBU and RRU, Huawei 3900 BBU, RRU, link with optical fiber, SPF interfaces-microwave equipments like: Nec neo, Ericsson minilink C and E, Harris, Nera-SDH, Alcatel -SDH-multiplexer like: ZTE MSTP's and MARCONI ADM.-power supply units fom vendors: ERICSSON, ANTRICE, EMERSON and ZTE• Search new location for new base station and microwave sites on the field and check them if is ok with Radio Mobile coverage programm .• Supervising installation, settings up and monitor using BER test the PDH and SDH transmission equipment from following vendors :Ericsson, Harris, Nec, Nera• Troubleshoot the indoor and outdoor unit, antenna or microwave guide, change the boards inside or outside if necessary• Supervising installation and settings up the GSM, UMTS, CDMA equipments• Perform specific measurement for acceptance for GSM, UMTS, CDMA, PDH, SDH, Multiplexer, Power plants and rf antenna systems.• Executed wco with objectives like: raise the microwave transmission capacity, change type of modulation, raise the bts capacity, wire the interface from equipement to ddf and base stations or transmission equipments• Track, identified and remove the rf perturbation signal for NMT, GSM, CDMA, UMTS system.• Very good experience with rf measurement tools and test equipment: spectral analyzer, power-meter, sitemaster, ber- tester, multimeter• Preventive maintenance for 2, 3G sites to check external alarms, check rsl levels for microwave equpements, batteries tests, power supply tests, power calibration.