Dante Cordero

MAIN ACTIVITIES: - Network supervision: KPIs analysis,, Radio Parameters audit, Radio Optimization. - Investigation of traffic trends and patterns before/after swapped Sites (Nokia equipment replacing ALU equipment). - Call trace and UE/RAN log analysis. TECHNOLOGIES: - Nokia 3GRAN WCDMA16, NetAct, NPM, Reporting suite, Megamon, Emil.

-LTE features testing/design: CSFB with PSHO, VoLTE, interRAT HOs, SRVCC, SON-ANR -LTE small cells testing, design and deployment, interaction with macro cells and 3G cells, impact analysis: coverage and interference. -4th Carrier Single nodeB testing, FSMF FRGT flexi WBTS configuration, call processing test cases, IFHO -Nokia RU50 RAN system validation, UE call traces analysis, performance monitoring, WB-AMR codecs call testing -Samsung 4G enodeBs SLR4.5, LSM, Nokia 3G RU40/50, Netimizer, Emil

-Radio Optimization and Design of new features in RU50 for “3” the mobile operator, HSPA multiNRTs, HSPA+ over Iur, 3G to LTE Handovers, MORAN, MOCN, Roamings -Lab and field testing: regression and new features in live network like CPC, F-DPCH, CSFB, LTE-UMTS-GSM reselections/HOs scenarios -Investigation of issues: lab scenarios setup, re-creation of problems, bugs tracking, test reports -Call trace and UE/RAN log analysis -NSN RU40/50, UMTS, LTE, UEs R9 and legacy, QXDM, TEMS, Nethawk, Megamon, Emil

-KPIs analysis, RF Optimization, WBTS power changes, antenna tilts, drive testing logs analysis, RNC traces: Megamon/Emil NSN tools for RRC, NBAP, RANAP, RNSAP protocols. -RNC and WBTSs daily supervision, troubleshooting of problematic WBTSs, alarm analysis. -Parameters customization for mass events and RF environment changes. -Analysis of complex issues in a live network: UE/RAN logs capturing, protocol interpretation, network changes to fix Inter-Operability problems. -NSN RU40, UMTS, LTE, Flexi BTS

- KPIs analysis, network performance monitoring/troubleshooting, RF Optimization analyzing the drive testing data, HSPA+ parameters optimization, throughput optimization, wireshark logs analysis, IP protocol. Support to the transmission team. - RNC and WBTSs daily supervision, software upgrades, troubleshooting of problematic WBTSs and support for the integration of new RNCs and WBTSs - Logs/Traces analysis: RANAP, RNSAP, NBAP, RRC. TECHNOLOGIES: - RNC NSN RU30, Flexi BTS, UEs R8 and legacy.

-Perform the IOT validation of NVIDIA chipset with RANs (Ericsson, Nokia Siemens, Alcatel Lucent, Huawei, ZTE) -Report to NVIDIA chipset designers/developers (Physical Layer, RLC, RRC, Non Access Stratum) to get a better insight in strengths and weaknesses of the product and to report issues and bugs -Test results reports for certification process -Tracking of issues, verification and testing of new software releases and certify the proper bug fixes -GSM, UMTS, LTE, UEs R8, R9, NVIDIA logging tools

- Customer care: support to the daily supervision/maintenance/configuration activities. - Troubleshooting of problematic WBTSs and support for the integration of new WBTSs. - KPIs analysis, network performance monitoring/troubleshooting, RF Optimization analyzing the drive testing data, HSPA+ parameters optimization. - Throughput optimization, wireshark logs analysis, IP protocol. - Logs/Traces analysis: RANAP, RNSAP, NBAP, RRC. TECHNOLOGIES: - RNC NSN RU30, Flexi BTS, UMTS 3GPP R8: HSPA+ dual cell.

Radio Access Consultant: MAIN ACTIVITIES: - Qchat (High Performance Push To Talk) system support. - Inter Operabilty Testing (IOT) for RIM, Huawei and Motorola devices: Blackberry, Ares, Jorian. - Lab and field test cases execution for UEs acceptance. - Testing of new network components, RNCs and Core Networks. - Defect management, trace analysis, protocols: RRC, NBAP, RANAP and RNSAP. TECHNOLOGIES: - Qualcomm chipsets, QXDM, Huawei RNCs, SGSN and MSCs.

MAIN ACTIVITIES: - NSN RNC RU30 and RU20 new features testing and acceptance, F-DPCH, CPC, HSPA over IUR, Power Saving Mode, Ethernet security, Dual Cell, MultiBand Load Balancing. - RU20 to RU30 Software upgrades, RU30 BB conversions, Licenses upgrades. - Integration of new IP WBTSs. - Approval of new SW releases to be installed in live Networks. - Inter Operabilty Testing (IOT) for IuCS, IuPS, Iur, Iub and Uu. - NSN LTE testing. TECHNOLOGIES: - NSN RNC RU30, RU20, IuFlex, Flexi BTS

MAIN ACTIVITIES: - RF issues investigation, RRC protocol analysis: HSPA and CS calls. - RNC450 to RNC2600 hardware upgrade. - Dual IUB (IP and ATM) integrations. TECHNOLOGIES: - RNC NSN RU20, Flexi BTS, UMTS 3GPP R99, R5, R6: HSDPA, HSUPA.

MAIN ACTIVITIES: - Integration of Nokia RNC RU10, RU20 IuFlex with Multi-Operator Core Network (MOCN): SGSNs, MSSs. Troubleshooting. - Testing and acceptance of new features like dual cell, HSPA+, involving analysis of UE traces and RNC traces (emil tool) for various scenarios including interRNC hard handover, channel type switching, multiRABs. - NSN LAB installation and configuration, re-creation of complex issues for investigation and taking logs, interaction with NSN tier3. - Case management, custome

MAIN ACTIVITIES: - Troubleshooting: RF issues, RRC protocol analysis, tracedata investigation, CS – PS HSDPA/HSUPA call processing and IOT testing in field environments. - Commissioning and Integration of Nokia RNC RAS06. - Software upgrades, installation of patches for RNC and NodeBs. TECHNOLOGIES: - RNC Nokia RAS06, Flexi BTS, UMTS 3GPP R99, R5, R6: HSDPA, HSUPA.

MAIN ACTIVITIES: - Operation and maintenance, UTRAN troubleshooting, RF Optimization of the Telefonica Moviles HSDPA-HSUPA network. - RNC parameters Optimization, thresholds for ISHO, IFHO, BRA, congestion/admission control. - Analysis of statistics and KPIs. - Management and coordination of the software upgrades, installation of database and patches for RNC and NodeBs. TECHNOLOGIES: - TEMS drive testing tool, Nokia and NEC Siemens RNCs, nodeBs Platforms 1 and 2, flexi BTS. - UMTS 3GPP R99, R5, R6:

MAIN ACTIVITIES: - IOT testing and RF troubleshooting, Option datacards and different RNCs: Nokia, Huawei, NEC-Siemens within several operators like Orange, Telefonica, Proximus and DoCoMo. - Defect and Testing Management using Test Track. - Analysis of issues, layers 1, 2 and 3. TECHNOLOGIES: - UMTS 3GPP R99, R5, R6: HSDPA and HSUPA. - Anritsu and Rhode & Schwarz simulators, QXDM Qualcomm.

MAIN ACTIVITIES: - IOT testing: Siemens NEC RNC UMR6.5 - 7.0, Nokia RNC RAS05, MSC, SGSN, NodeB, UEs. - Writing of Test Cases for new features according to 3GPP. - Defect and Testing Management using tools such as: TIMES, OMNITRACKER and FEKAT. - Software upgrades, installation of database and patches for RNC and NodeBs. - Analysis of traces: protocols NBAP, ALCAP, RANAP, RNSAP and RRC, using Tektronik K15, Agilent Signaling Analyzer and RNC IMSI logs. TECHNOLOGIES: - NEC Siemens: classic RNC and enh

MAIN ACTIVITIES: - Siemens NEC RNC UMR4.0 - 6.0, UMTS IOT Testing: MSC, SGSN, NodeBs and UEs. - Writing of Test Cases for new features according to 3GPP. - Defect and Testing Management using tools such as: TIMES, OMNITRACKER and FEKAT. - Software upgrades, installation of database and patches for RNC and NodeBs. - Analysis of traces: protocols NBAP, ALCAP, RANAP, RNSAP and RRC, using Tektronik K15, Agilent Signaling Analyzer and RNC IMSI logs. TECHNOLOGIES: - NEC Siemens: classic RNC, enhanced RNC (

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