Angelica Ramirez

E-mail / Skype: ab34ht@r.postjobfree.com /angelica291286

Mobile: +52 1-55-112***** (MEX)

Degree: Telecom Engineer - Universidad Andres Bello, Venezuela, 2005

Position: LTE/UMTS/GSM Solution

Planning, Design and Optimization Engineer.

PROFESSIONAL SUMMARY

Telecom Engineer - offering over 8 years of demonstrable success in solving

customer Networking and Programming issues. Extensive experience in the

fields of Network Research, Design, Development and Troubleshooting, Know

for devising creative solutions to resolve customer issues in multi-

cultural environments. Fluent in Spanish, Portuguese and English (verbally

and in writing).

5 years experience working with HUAWEI, VIVO, ERICSSON, MOVILNET,

TELEFONICA, AT&T, T-MOBILE.

SKILLS

. LTE/UMTS/HSPA/GSM/EDGE/EGPRS initial tuning, network planning and

optimization strategies

. Management of Ericsson and Huawei equipment- and tools for LTE, WCDMA

and GSM

. Optimization and network adjustment according to high traffic

demanding events

. Capacity planning and dimensioning

. Multi- Carrier - Multi- Band UMTS and GSM Networks

. Analisis of KPIs statistic independently and find the optimization

solution to improve them.

. Optimization of radio access network parameters through KPI

improvement tools

. Activation and adjustment of features like: DYMA, HCS, CLS, ACLC,

IRAT, MBC, ICM, channel management,

handover, inter-RAT features, CSFB

. PS service adjustments and optimization

. Post processing and Test Analysis for LTE/WDCMA/GSM RAN Tuning &

Optimization

. LTE/WCDMA/GSM Network Architecture and Protocols

. Analysis of cluster - Accessibility and Retainability & Site shakedown

. Strong communication and interpersonal skills (team work, knowledge

sharing, commitments)

. Strong organizational and time management skills

. Able to work under high pressure and high focus on delivering high

quality work

. Hold customer meeting to discuss the planning and optimization issues

and regularly reports it to senior management

TOOLS

. ITK

. MapInfo

. Moshell /Winfiol

. TEMS Investigation Data Collection 7/8/9

. TEMS Investigation Route Analysis

. ASCOM Discovery 3.0.5, 3.1.

. CACP, CPS and Newtun tools for CDMA

. GENEX Assistance

. GENEX Probe

. WorkBENCH

. LMT and WebLMT (Local Maintenance Terminal). Huawei Tool

. iManager M2000 Huawei tool.

. AMOS (Moshshell)

. ERTT

. NEMO outdoor 5.1

. Google earth

. NeO for trace analysis.

. Actix

. MCOM

. Program Neighborhood

. White board / SVR

. FileZila

EXPERIENCE

January 2013 - Present

Project: LTE/AWS/PCS/GSM T-Mobile Modernization Project - USA Remote

(working from Mexico)

Vendor: Ericsson - GSC

Position: Shift Manager

o Responsible to coordinate Site integration planning phase, site

integration execution phase and post site integration monitoring phase.

Responsible for NIC team (Network Integration Center) dimensioning,

coordinate and handle daily Markets leads and Team leader meetings to

guarantee project targets. Accountable for final reports with site

status.

Tools: Solidus eCare, SVR and White Board mainly.

February 2012 - January 2013

Project: 2G 900Mhz/1800Mhz - Radio network performance

improvement. VIVO, Minas

Gerais, Brazil

Vendor: Ericsson - GSC

Position: GSM850 and GSM1800 Consultant for VIVO in Brazil (RF

Optimization team in VIVO)

o High experience with RBS 2000 and RBS 6000 equipments.

o Capacity planning and dimensioning.

o Radio network parameter audit, consistency check of radio parameters

on sites

o Checking and solving parameters issues, wrong planning design,

reducing DL interference and increasing the throughput.

o Alarm verification of BTS and/or cell level, detection and

troubleshoot.

o Creation of neighbor relation and BA list analysis, supported by

Winfiol tool

o SDCCH Dimensioning, analyze frequency plan in BCCH and set of

frequency hopping.

o Definition of OL/UL sub-cells, distribution of traffic with

HCS - hierarchical cell structures/sub-cells load distribution

o Script development to execute general changes to get KPI s on target

o Radio network parameter audit, consistency check of radio

parameters on sites.

o Responsible for coordinating on field O&M engineers during

troubleshooting process.

o Analysis of TOP 10 worst cells to perform weekly reports with

recommendations to improve them.

o Activation and adjustment for GSM features like DYMA, HCS,

CLS, ACLC, IRAT, MBC, ICM, etc.

o Abis/LAPD performance assurance

During this process MCOM, ITK, Program Neighborhood (OSS), Winfiol and

other customer tools were used for optimization.

February 2012 - July 2012

Project: LTE Deployment in Sao Paulo, Brazil (100 LTE sites)

Vendor: Ericsson Brazil

Position: LTE service Engineer for a 4G Trial in Sao Paulo, Brazil.

o Performed RF data collection for LTE trial network.

o Performed Single Site Shakedown (SSD) by analyzing Inter Frequency

Handover (IFHO), handover

issues

o Performed the mobility ftp test including 70MB download and 70MB

upload sessions to determine round trip latency and average peak

throughput

o Reported the success of Inter eNodeB handovers in both directions

within a 0.5 miles site range.

September 2011 - February 2012

Project: LTE 5780 (10 MHz BW) Initial Tuning - Ericsson Inc, Plano, TX.

Client: AT&T, San Francisco, CA.

Vendor: Ericsson - GSC

Position: AT&T LTE Tuning project for the San Francisco and North

Florida Markets Pre-Launch tuner

o Worked in Ericsson LTE RAN Tuning and optimization project for San

Francisco and North Florida

Markets -USA.

o Worked on Ericsson release L12A and L12B for and 6sectors eNB

Networks

o GNG lite data analysis: monitor GNG Lite cluster base on KPI

Metrics, %time on LTE problem area

detection, prepare report for customer with supporting plots and

tuning recommendation to improve

KPIs (responsible of a cluster with 20 sites)

o Pre launch Optimization: PCI, Neighbor, Single site verification and

cluster optimization through Drive

tests and verification of KPI targets.

o LTE/WCDMA Inter working (Idle and connected mode).

o Check for the service effecting Alarms for the sites from Daily post-

launch & NDS reports

o Using OSS extracting network data bulk and analysis of actual

configuration and

troubleshooting issues.

o Check UE Traces using NEO tool. Layer 3 signaling analysis of calls,

HO, Random Access, Paging, call

setup time duration, RRC connection request and complete, RAB

setup, PS establishment service, etc.

o Check the cell Availability from ITK for the sites near Problem Area

o Check the neighbors from ERTT for Handover issues

o Check the UL RSSI of the sites from ITK

o Check individual PCI Plots for each sector for overshooting sites.

Identify PCI Pollution & Interference

areas & Identify Misaligned Sectors

o Check the TAC boundary from ERTT & drive Data for the sites near

Problem Area

o Check the VSWR on sites near problem areas

o Check the coverage [RSRP, SINR], Layer 3 Messages, other parameters

from TD

o Comparison of UMTS[RSCP] to LTE[RSRP] in the area

o Analysis and Recommendations for Drop calls, Access Failures, Handover

Failures, Call setup failures,

Low throughputs & Coverage Improvement

o Recommend Remote Tilts, Neighbors, Parameters & Verify Effectiveness

of Recommended Changes

o Stationary & Mobility Site testes to verify PCI Configuration, Swapped

Feeders, Azimuths, Tx

Imbalance, TCP/UDP Throughput, handovers

o Post processing of Site Shakedowns, troubleshooting and shake

downs report for the new sites

launched, identifying current problems on site like: swap

feeders, transmission unbalance,

alarms, VSWR, RSSI

o Coordinated with the Drive teams and advised them suitable test

locations

o Provided tilt recommendations in order to improve RF conditions, time

on LTE, etc.

o Created drive routes with MAPINFO after tilt recommendation to further

analyze and compare problem areas

o Circuit Switch fall back (CSFB) analysis between LTE & UMTS for MO and

MT calls

March 2011 - September 2011

Project: GSM 1900/850 - GSM Swap from Nokia to Huawei. Movistar,

Venezuela

Vendor: Huawei - Venezuela.

Position: RF Team leader for swap project from Nokia to Huawei. The

participation involved coordinate and execute the network tuning and

optimization part.

o Study of the different statistic KPIs to be evaluated in the swap

process

o Coordinate the tuning activities on the markets; plan for the drive

test team to be on market;

o RF parameter audit

o Verify and implement HO s and threshold parameters in the clusters;

o Request, verify changes and present the results to the customer

o Performed KPI monitoring, troubleshooting and platform tuning

improving post-integration network

performance with KPIs monitored (retainability, accessibility,

mobility and traffic

indicators for CS and PS services)

o Supported frequency planning, LAC design and system dimensioning

o Single site verification for 3G rollout, including cell designation,

SC and neighbor planning. Proposed

changes to network design after RF/TX analysis

o Prepare reports and suggest tilts or parameter changes wherever

required to improve coverage in

SSV

January 2011 - March 2011

Project: UMTS 850/1900 Single Site Verifications. Movistar, Venezuela

Vendor: Huawei - Venezuela.

Position: UMTS Drive test Engineer for Movistar network and the SSV

coordinator for the FO team.

o Coordinate and execute single site verification (SSV) for new and

expanded 3G sites, verification of status and parameters;

preparation, post processing and analysis of drive tests; analysis of

RF KPI's and statistics; neighbor list management, problem detection

on the installation of the radiant system and others related with

RF, like switched sectors, handover tests, field measurement

of GSM parameters with TEMS Data Collection and Route Analysis

7/8/9, NEMO Outdoor 5.4 and Genex Probe and Assistant 2.3 Huawei s

tools.

December 2009 - January 2011

Project: GSM 850/1900 - RNP & RNO. Movilnet, Venezuela

Vendor: Huawei - Venezuela

Position: RNO & RNP 2G Consultant Engineer for Movilnet / O&M area, RF

Optimization team.

. Very familiar with Huawei GSM BSC 6900, DBS 3900, M2000, Nastar

tools, CME, GSM Optimization software. Responsible for GSM KPI

improvement, statistic analysis, cell parameters and parameter

adjustment and site configuration through WebLMT and M2000. Analysis

of network RF KPI's and statistics independently and find the

optimization solution to improve KPIs such as GSM Call setup success

rate, TCH call drop rate, SDCCH call drop rate, handover success

rate, TBF establishment success rate, EGPRS DL throughput and EGPRS

UL throughput; neighbor list management; made logical changes in

Customer Network based on their requirements; Prepare weekly and

monthly optimization reports for the regions; Periodic parameter

audit and neighbors audit on the whole network; verify and implement

IRAT HO in the sites in the edge of the coverage; evaluate and

suggest new sites; Analyze the impact and performance of site

expansions and new sites integration; Provide support for network

design, planning, optimization, operation and performance of the 2G

dual band (850Mhz/1900Mhz) Network; Evaluated the processes to create

corrective and preventive actions to reduce recurrent network

failures.

May 2009 - December 2009

Project: GSM 850/1900 - GSM new sites and expansion project.

Movilnet, Venezuela

Vendor: Huawei - Venezuela

Position: 2G RF Design, Optimization and Performance Engineer for

Movilnet in a GSM Expansion project.

o Preparation, post-processing and analysis of the data collected on the

field using TEMS; familiar with Huawei GSM BSC 6900, DBS 3900, M2000, CME, GSM Optimization software; analysis of network RF KPI's and

statistics; neighbor list management; Parameter Audit and Changes;

Responsible of BTS, BSC site and cluster optimization; daily KPI

monitoring, analysis, recommendations, and troubleshooting

procedures). Elaboration and delivery of data sheets and ATP to the

costumer.

TRAINING

. LTE System Overview.

. Security Sally - Awareness Training

. Anti-Corruption course

. ASK Yourself Training for ATT Project - TMC Engineers

. TEMS Discovery- LTE Centra Session

. MO CSFB Analysis Scripts and Report for TEMS Discovery 3.0.5

. GSM and UMTS Fundamentals Course by Huawei

. 2G Network Planning and Optimization by Huawei

. UMTS System Design by Huawei

. Introduction to WCDMA and LTE by Ericsson WCDMA, ISO 17025 Training

. CDMA Cross-training: EVDO Overview/ CDMA Basics and CDMA2000

. MapInfo Professional

. CR & OSS OVERVIEW

. ACTIX Analyzer

. Leadership Essentials communicating vision

. Internal Consulting Skills

. Presentation Skills

. Basics of Ericsson Business Process

. PROCS-C (Project management)

Ericsson Training

. Security Sally - Awareness Training

. LTE/UMTS Inter System HO

. LTE Air Interface

. LTE System Overview

. Anti-Corruption course

. ASK Yourself Training for ATT Project - TMC Engineers

. TEMS Discovery- LTE Centra Session

. MO CSFB Analysis Scripts and Report for TEMS Discovery 3.0.5

. GSM and UMTS Fundamentals Course by Huawei

. 2G Network Planning and Optimization by Huawei

. UMTS System Design by Huawei

. Introduction to WCDMA and LTE by Ericsson WCDMA, ISO 17025 Training

. CDMA Cross-training: EVDO Overview/ CDMA Basics and CDMA2000

. MapInfo Professional

. CR & OSS OVERVIEW

IT SKILLS

. MS-Word, MS-Excel and MS-PowerPoint

. Visual Basic programming language (Working knowledge)

. C programming language (Working knowledge)

. Windows, Unix/Linux, etc. (Working knowledge)

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