Vaseem A.
Senior Engineer R&D
- Role
- Senior Engineer R & d at Rohde & Schwarz
- Location
- Bengaluru, KA, IN
- LinkedIn followers
- 500 followers
About Vaseem A.
Experience in telecommunication as protocol testing professional associated as a NR5G, LTE, VoLTE, VOWIFI Test Engineer. worked in NOKIA R&D as Verification test specialist on Nokia’s CMM CNS Product belongs to AMF/MME R&D team.Previous Experience: Qualcomm Ind Pvt Ltd Hyderabad (Client). Working as Senior Software Engineer in Mirafra Technologies Pvt Ltd, Team and Role: Modem Test Engineer in LTE MST DTA HLOSSkills:NR5G, LTE, VoLTE, VOWIFI,5GN2 HO and 5GS to EPS N26 HO,5G SUCI registration, Inter and Intra MME S1HO.Good working knowledge on LTE Protocols like MAC, RRC, NAS. Good knowledge on LTE Protocols like PDCP, RLC. Having a Knowledge on SIP protocols and call flows (REGISTER and INVITE). Good understanding of LTE call flow (Attach, Detach, TAU, and Service Request)and end to end wireless network architecture Good knowledge on 5GNR SBA architecture network functions like AMF, SMF,UPF, UDM, NRF, NSSF etc Good knowledge on LTE Core Network Elements E-UTRAN, EPS, E-Node B,MME, S-GW, PDN-GW, PCRF, HSS and their Interfaces LTE-Uu, X2, S1-MME,S1-U and S5/S8 Knowledge on basics of CUPS, ORAN split architecture and NFV Knowledge on LTE mobility scenario like Inter-RAT Handover from LTE toUMTS. Knowledge on CSFB call flows and IMS call flows. Good knowledge on 5G NSA and SA call flows Good working knowledge on NR Protocols like MAC, RLC, SDAP, PDCP, RRCNAS Good knowledge on 5G NW slicing and 5G QOS conceptsGood knowledge on 5GNSA deployment options 3, 3a, 3X and split bearerconcept Good knowledge on NW transport protocols like GTP-C, GTP-U, TCP, UDP and S1-AP Functional & sanity testing of SSIM and MSIM with and without IMS • Feature related testing different ePDG releases• Log analysis on Vowifi call, Volte call, e911 call, DATA call, MMS etcTested IWLAN standalone features like throttling, DNS resolutions, ESP rekey, Multi PDN scenarios • Executed standalone vowifi voice and VT calls, vowifi to LTE call hand over, APM mode vowifi scenarios with data transfer
Experience
Senior Engineer R & d
Jul 2024 — Present · Bengaluru, IN
LTE 5G protocol testing validation on CMW 500,CMW 100
Education
Chaitanya Bharathi Institute Of Technology
Bachelor of Technology, Electrical, Electronics and Communications Engineering
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