Mehrafarin Dehghani

Mehrafarin Dehghani (Local to Dallas, TX, Ex-Qualcomm- No) Professional Summary: • Highly experienced wireless professional with 16 years of diverse industry experience, based in Dallas, TX. • Holds a Bachelor of Science in Electronic Engineering. • Extensive background as a Nokia Switch Core Maintenance, RF Planner, Optimizer, and Field Test Engineer, with a strong focus on 4G/5G technologies. • Proficient in hands-on test case execution, in-depth log analysis (QXDM and QCAT), and troubleshooting various wireless network features and protocols. • Expertise includes air interface performance analysis, characterization, and optimization. • A highly motivated, who thrives under pressure, excels in challenging situations, and demonstrates strong time management and multi-tasking abilities. Education: Shiraz University of IR 1990 – 1996 Bachelor of Science in Electronic Engineering Pursuing the Cloud Computing Certificate Professional Experience: DSI Telecom INC Oct 2021 – May 2025 Wireless Field Test Engineer 4G/5G_F2G Solutions • Working with Nokia team on multiple Verizon’s 4G&5G FSA projects: 22R1&3&23R1&3,24R1&3 and related features. Working with multiple Test UEs and debug issues. • Preparing stationery and mobility tests and perform precheck/post check logs and lite data secure. • Working on multiple 4G&5G features like LTE 5192Intra Aire Scale eNB TDD to FDD 5CC DL, LTE 5434 Inter Site TDD -FDD 5CC DL, CB-QAM ULPC) and CB006027 Data forwarding during HO from 5GSA to LTE etc. • Work on features at different markets New Jersy and Ohio, track and report testing results to the management. • Knowledgeable and good understanding GSM/3G/4G/5G networks, protocols and signaling messages. • proficient in QXDM&QCAT. • Actively help in any critical situation to solve any problem as soon as possible to improve performance. • Analyzing LTE, IMS, VoLTE call and data call using QCAT& Wireshark and analyzing signaling messages. • Tracking handover (HO) signaling messages during mobility tests and report it to the management. • Good understanding radio network signals RSRP, SINR, BLR, etc. • Familiar with Random Access Channel RACH procedure. • Good Understanding UL/ DL LTE Scheduling and messages. • Prepare PowerPoint report about UDP/TCP static and mobility drive test scenarios and report it to the customer. • Attending all the meetings, following the instructions, collecting logs, and sending reports to the management. TCI Telecommunication Company of Iran 2014 – 2019 RF Planner & Optimizer • Detailed planning of new sites BTS/NodeB and provided site plan. • Down link/Up tilling of antenna and reorientation for increasing coverage and performance firm. • Single Site Verification Test (SSV) • Deal with resident’s concern about health concern related to possible signal effects. • KPI Monitoring and analyzing 2G&3G Network and adjusting radio network parameters in BSS and recommended possible solutions to improve performance. Used ACTIX to analyze drive test logs. • Actively Participate in BSC& RNC rehoming projects as a planner and worked closed to NSS& BSS teams and contractors to perform everything on time. • Optimized network and border to share traffic on BSC’s and reduce congestion. TCI Telecommunication Company of Iran 2007 – 2014 Nokia Switch Core (MSC&MSS&MGW) Engineer • GSM Network troubleshooting. • MSC, MSS, MGW, BSC, RNC and IP backbone Maintenance. • BSC/RNC integration. • Coordinating, installing, configuring, testing, and troubleshooting of transmission facilities (Fiber Optic & E1) • Network KPI analysis and optimization, traffic capacity management, and parameter tuning. • Providing solutions for network failures to improve core network performance. Unit test and traffic channel tests and using protocol analyzer in case of critical issues. • Prepare core definition for BSC rehoming and expansion per planning. • Observing the rate of clear codes in order to find any abnormal conditions in network. • controlled 2G/3G core parts (MSC’s, MGW’s, HLR’s, VLR’s, MSS) and assure they are working properly. TCI 2003 – 2007 Power Equipment Engineer • Repaired and function testing of analog and Switch Mode Rectifiers/ Battery Chargers (48V/20A-100A) one phase and 3 phases. • Recommended ground solution to prevent search voltage causing damage on Rectifiers and Inverters because of geographic location and bad weather. Certifications From: “Nokia Network Academy” • 5GRadio Planning and Optimization 24R2 • 4G-5G Interworking 24R1 • Wavence Synchronization for Mobile backhauling • Media Gateway troubleshooting • 3G Rel4Switching Core Network Signaling-MSS SR3.0 • 3G Rel4 Switching Core Network Operation and Maintenance MSS SR3.0 • MSC Server and Multimedia Gateway Operations and integration Activities: • Supporter of Iran Child Foundation, Hiking, Camping, laying 3Tar • Language: Fluent in Farsi and good in English.