رافي Uddin, RF Engineer

رافي Uddin

RF Engineer

LCC KSA

البلد
المملكة العربية السعودية - الرياض
التعليم
بكالوريوس, Electronics
الخبرات
11 years, 4 أشهر

مشاركة سيرتي الذاتية

حظر المستخدم


الخبرة العملية

مجموع سنوات الخبرة :11 years, 4 أشهر

RF Engineer في LCC KSA
  • المملكة العربية السعودية - الرياض
  • أشغل هذه الوظيفة منذ مارس 2015

Project

RF LTE Analyzer

Post Processing Engineer في 2015 LCC KSA - Huawei 4G1
  • المملكة العربية السعودية - الرياض
  • أكتوبر 2014 إلى مارس 2015
3G Optimizer في Ericsson
  • المملكة العربية السعودية - جدة
  • أغسطس 2014 إلى أكتوبر 2014

3G RF Field Optimizer
Key responsibilities include:
Responsible for Cluster optimization.
Responsible for analyzing, troubleshooting, and giving recommendations to
improve Call Failure and Dropped call for CS and PS short calls.
Responsible for RF Coverage optimization and reduction of pilot pollution by
Ec/No, RSCP, SINR and PCI improvements.
Responsible for preparing the comprehensive Final Acceptance Report.
Detail analysis of Poor RSCP, low SINR and degraded Ec/No.
Handover optimization for inter-frequency and intra-frequency.
Neighbor planning and technology fall-back optimization.
Low throughput analysis.
Identify Radio Network Functionality Problems such as high CS drop call rate
due to hardware faults.
Team coordination for proper

Planning Engineer في 2014 LCC
  • يونيو 2014 إلى أغسطس 2014

Participated in mobile operator network planning and deployment.
Knowledge of completion of phases in the RF planning life cycle - link budgeting, site selection, backhaul planning, RF propagation modeling, fine tuning and optimization.
Radio Network Frequency Planning.
Frequency Planning for Micro and Macro Sites.
Coordinated with the vendor for Global Frequency change.
Coordinated with the Vendor for Proposing Frequencies for the new sites.
Deep knowledge of GSM, 3G and LTE technology and network architecture in RAN and Core.
Good knowledge of software design processes and software testing principles.
Produce coverage prediction and submit for approval to the team lead.
Simulate and optimize predictions to meet the required threshold for acceptance.
Tools under use: Atoll, Mapinfo, Global Mapper, Google Earth.

Project Coordinator في 2012 LCC – Mobilink Cellular Network in Pakistan
  • أبريل 2012 إلى يوليو 2012

for Mobilink MS Project performing following activities:

Managing and Supervising Drive Test Engineer Teams.
Resolving and dealing all project related issues by coordinating with Project Managers.
Supervising all project activities including providing technical and coordination with site management activities
Coordinating with Drive Test Engineers for their daily and weekly tasks.
Determining actual network coverage & performance of 2G network.
Extensive use of Actix Analyzer for analyzing log files.
Resolving customer complaints and cluster drive issues in cities, highways and remote areas.
Analyzing Drive Test log files and finding the reason for Poor coverage, Interference, Drop calls and other issues.
Recommending solutions, optimizing and troubleshooting with MS Team.
Extensive use of Google Earth Professional and MAP info Professional to find out the location of given Cells and Clusters.

RF Engineer في 2014 LCC KSA – STC Alcatel MS
  • أكتوبر 2012 إلى يونيو 2012

LTE / WCDMA / GSM

Key responsibilities include:
Throughput KPI (Downstream and Upstream) at Terminal level and Sector level.
Throughput KPI (Downstream and Upstream) at Cell Edge level.
Drive test (upload, download ping test and short session test)
Used Google Earth Professional and MAP info Professional to find out the location of given Cells and Clusters.
Issue based drive testing to analyze RF issues and proposing solution.
Extensive use of TEMS investigation tool for Drive testing.
Determine actual network coverage & performance.
WCDMA drive testing using TEMS.
Data testing HSUPA analysis and HSDPA analysis.
RF Drive test in Dedicated/Idle mode along with Short & Long Calls.
Interference analysis, co-channel, adjacent and external interference.
Finding the existing partial or full cross feeder.
Preparation of Business Plan for new BTS Site proposal plan with reference to the existing sites in the Network.
Indoor /Walk Testing on TEMS.
Data analyze with Actix and prepare the report for the optimization.
Zone drive GSM & UMTS and troubleshoot the over shooting and analyze the call drop and handover failed problem, bad level.
Supervised riggers at the Site Audits. This involved in the pictures of the Site, pictures of the antennas etc.
Checking orientation and adjustment as well as checking and adjustment of mechanical and electrical tilts.
Identified Causes of RF Interference.
Identified causes of poor coverage, and made recommendations about the orientation changes, electrical and mechanical tilts.
Perform data service test according to the project requirements.
Perform DT and CQT in predefined clusters and routes, record the data in details
To collect and analyze subscriber complaint, locating the network problem and solve the problems.
4G drive test (3 point tests, ping test, UDP & FTP test) both FDD & TDD.
Static and Coverage tests for LTE TDD STC project.
CSFB, Static and Coverage tests for LTE FDD STC project.

CCU (Central Control Unit) for RETs:

The device is used to know the status of RETs and also can be remotely changed.

Engineer في 2012 LCC - Mobilink Cellular Network in Pakistan
  • الإمارات العربية المتحدة
  • يناير 2012 إلى أبريل 2012

GSM

I have got training in Radio Network Engineering department in LCC on Mobilink cellular network in Pakistan (Karachi). I have gained valuable exposure in the following activities:
Global Drive testing of major areas to analysis radio conditions.
Issue based drive testing to analyze RF issues and proposing solution.
Extensive use of TEMS investigation tool for Drive testing.
Determine actual network coverage & performance.
Use of MapInfo and MS Excel in routine activities.
Testing the various parameters like Rx level, Rx Quality, LAC, BSIC.
Data testing for 2G GPRS status, EDGE status.
RF Drive test in Dedicated/Idle mode along with Short & Long Calls.
Interference analysis, co-channel, adjacent and external interference.
Finding the existing partial or full cross feeder.

في Line Suprenden
  • سبتمبر 2011 إلى ديسمبر 2011

WAPDA) as LS (Line suprendent) where I performed the duty of inspecting the power electric lines. I have also the experience of leading the team of Line Mans instructing them about the necessary & precautionary measures to be taken. And have also the experience of forwarding & informing the SDO about ongoing field

Internee في HIGHRISE Pvt. Ltd
  • باكستان - إسلام أباد
  • فبراير 2011 إلى أبريل 2011

where I conducted surveys for ZONG sites for ALCATEL BTS Swap.

internee في Pakistan International Airlines (P.I.A)
  • يونيو 2009 إلى أغسطس 2009

where they assigned following areas of work:
Electrical Overhaul Shop, Instrument Overhaul Shop, Radio Overhaul Shop and Boeing & Airbus line maintenance Hangars.

internee في Sui Southern Gas Company
  • الإمارات العربية المتحدة
  • ديسمبر 2009 إلى يناير 2009

where they familiarize with their services (mainly SCADA) department.

الخلفية التعليمية

بكالوريوس, Electronics
  • في Hamdard University
  • ديسمبر 2010

in

الثانوية العامة أو ما يعادلها, Electronics
  • في Hamdard University
  • ديسمبر 2010

in

الثانوية العامة أو ما يعادلها,
  • في Govt. Jahanzeb P.G College
  • يناير 2003

,

الثانوية العامة أو ما يعادلها,
  • في Ghazali Public School

,

Specialties & Skills

ENGINEERING
MAPINFO
NETWORK ENGINEERING
NETWORKING
OPTIMIZATION
QUALITY
TROUBLESHOOTING

اللغات

العربية
متمرّس
الانجليزية
متمرّس
الأوردو
متمرّس

التدريب و الشهادات

PLC (تدريب)
معهد التدريب:
AEC Peshawar
تاريخ الدورة:
November 2011
المدة:
200 ساعة