• Wireless: LTE Services call flow. 3GPP features, roadmap and specification. Network Design (HLD/LLD) and optimization. KPI insurance, investigation and troubleshooting. LTE and LTE-A interfaces, protocols (Radio Interface, S1, S4, S11, S6a, Gx, SGi, S10, S5, S8, A12, A13) and network technologies. LTE/LTE-A Link budget and network capacity design. GSM/UMTS/CDMA network technologies. Data offloading/SmallCells/HetNets technologies. Hardware: Swap, Installation, Configuration, Commissioning, problems’ troubleshooting.
• IP: IP protocols. Design. Call flow and troubleshooting. Huawei: Switches, Routers and Firewalls. Cisco: Switches and Routers
• Signaling Systems and protocols: V5.2,