Umar shafi

LTE RAN/RF engineer at Reliance Jio Infocom

• India
• March 2011 to February 2014

Reliance Jio Infocom ltdNavi Mumbai (LTE RAN/RF engineer)
Profile Duration: Mar 11-till date
Working on RIL's4G LTE Project
Profile
➢ I am an LTE RF engineer at Reliance Jio Infocom ltd which is subsidiary of Reliance Industries ltd (RIL) and is the only company in India having PAN India BWA spectrum license. I have a total experience of about 3 years in LTE as an RF/RAN engineer. Currently I am working as a network deployment engineer in JK circle as a rollout specialist which includes vendor management, site selection, spectrum cleaning, SCFT (Single cell functional testing), EMF testing, SACFA application, coverage and throughput assessments and carrying out all other necessary activities.
➢ I have done network planning of cities like Mumbai, Delhi, Kolkatta, Chenai, Ahmedabad, Surat, Pune & top 100 cities in india.
➢ I have also 3D planning of some cities using volcano Rural and Volcano Urban propagation models.
➢ I have done Pilot tests in Mumbai, Delhi, Ahmedabad and surat.I have also done model tuning link budget formulation and nominal cell planning using Green field as a planning tool.
➢ I have also used Capesso tool for optimisation and used ACP to improve coverage and SINR.
➢ Performed Radio Conformance Testing (RCT) on all mentioned chipsets at RIL's Lab. Testing includes Max Rated Power, ACLR, Inter modulation, Transmitter and receiver spurious emission, sensitivity, blocking, occupied bandwidth and baseband tests for different channels PUSCH, PUCCH in various channel models.
➢ Performed Latency, Capacity, Application and System related testing at RIL Lab.

Projects
➢ Network Deployment In J&K:-Presently I am working as a deployment engineer in JK to rollout 4G services across JK.It specialist which includes vendor management, site selection, spectrum cleaning, SCFT (Single cell functional testing), EMF testing, SACFA application, coverage and throughput assessments and carrying out all other necessary activities.
➢ 4 G TD LTE Pilot Field Trail in RIL Campus, Jamnagar refinery campus.
➢ In building 4 G LTE Networking Planning and commissioning for Maker Chambers "RIL Chairman's office".
Implementation discussions with vendor on Cluster, Cloud solution for Planning Prospective.
Troubleshooting and Optimization of Chairman's office IBS solution.
➢ RAN ( Radio Access netwotk team) which is the sole owner for test all ENB related parameters from L1, L2 to L3 layer. Which includes protocol testing. PDCP, RRC, MAC, PHY layer and various NAS messages exchanged between UE-MME via ENB. Currently I am envolved in ENB features testing and testing of Initial parameters which are checked before declaring a site live on air or ready for transmission. I have also planned the IP plan of the pilot project. Have indepth knowledge of LTE call flow Sync process, RACH etc


Areas Of Interest
Digital Communication Systems
Optical Fibre Communication.
Digital Electronics.
Cryptography and Network Security.
Electronic devices.
The list is not exhaustive. However, with an open mind can attempt anything challenging and really fascinating.