RF Engineer, Jorge Flores del Villar

Phone 52-55-42-73-22-95

jorgefdelv@yahoo.com

 

LANGUAGE SKILLS.

 

•Native in Spanish.

•Written and Spoken English 90%.

 

Education and Experience.

 

·                                       Communications and Electronics  Engineer

·                                       National  Polytechnic  Institute ,  in  Mexico City.

·                                       Experience.  more than  14 years in Cellular  technologies.

 

Knowledge in  LTE.

 

LTE Theory and Fundamentals.

 

               RF  Propagation  Principals using propagation models  COST  231,  HATA,  HATA- OKUMURA,  SPM

Standard  propagation  model,  calibration of SPM  model.

·                                       LTE Networks,  Equipment,  protocols  and Interfaces,  eNodeb,  MME,  HSS, S-GW, P-GW,  etc.

·                                       Checking  Ericsson,  LTE  eNode B,  WCDMA Base station measurements  with  Rodhe  Schwartz  equipment,

·                                       and Agilent equipment.

·                                       GSM, WCDMA, HSDPA, LTE doing drive test, optimization, using  JDSU,  Ericsson  TEMS  Investigation.

·                                       Checking,  KPI´s parameters. 

·                                       Accessability,  Retainability,  Integrity,  mobility,  Availability

·                                       LTE  RSPR,  RSQR,  BLER,  HARQ,  HANDOVER,  VoLTE  measurements.

·                                       Post  launch  optimization and Troubleshoot  experience.

 

·                                       Checking  VoLTE, call processing  and measurements.

Checking the   SRVCC  Single radio voice call continuity.

VoLTE   Optimization

VoLTE  Troubleshooting

VoWIFI  Technologies  with Ericsson- Ascom, Cisco Systems

Qualcomm  QXD  software.

Cost analysis.

 

·                                       LTE  IMS  Arquitecture,  IMS  Call flow  checking.

 

·                                       With  Forsk  Atoll software, doing Radio Planning and Optimization V 3.1 version

·                                       and ACP  automatic cell planning  software.

 

·                                       ATT  Atoll  LTE radio planning design,  following all the ATT guidelines.

·                                       Adding  TMA´s,  RRH´s  equipment,  RF cables,  Fiber  cables and conectors

·                                       Diplexers, Combiners,  MIMO and SISO  antenna  array  etc.

 

               DAS  Proyect manager  using the Microsoft  proyect manager.

 

·                                       LTE  DAS Solutions  WIFI  design  and  Small cells  design with, JDSU, Ericsson,  Samsung,  Alcatel.

·                                       Doing  proyects to present to customers,

·                                       Checking all the DAS, small cells and  WIFI requirements.

               Use of  IB WAVE Design  software  and  IB WAVE  Mobile  planner.

 

·                                       LTE  FDD  and  LTE  TDD,  LTE  SON Centralized and distributed, Networks  and services.

·                                       Ericsson  LTE L13  Radio network  functionality.

·                                       Using  Qualcomm  QXMD

·                                       Using  TEMS  DISCOVERY

·                                       Doing  reports to Engineers and Customers

·                                       Excel,   Word,  Power point,  software.

 

·                                       Lte  E-911 networks and service calls,  E-911 service testing.

·                                       Very  good  knowledge in  Ericsson  products and  portfolio

·                                       LTE  protocol testing  using  GL  protocol  analyzer  and JDSU SART protocol Analyzer.

·                                       Knowledge in LTE  JDSU WALK TEST RAN ADVISOR hand held,  Sart  Signalling,

 

·                                       Checking  VOIP  protocols and equipment  with SIP,  MEGACO,  SIGTRAN,

·                                       eHRPD CDMA  EVDO networks.

·                                       LTE  LINK BUDGET ANALYSIS, UPLINK,  and DOWNLINK.

 

·   Huawei  knowledge.

·   Genex probe  Drive test  software checking  GSM,  UMTS,  LTE  technologies

·   Doing  Optimization  and planning

·   Doing   SSV  and  SSD  

 

·                                       Cisco  routers,  IP Networks,  installation, configuration, troubleshooting.

·                                       RIP. IGPR, BGP. OSPF, protocols.

 

·                                       LTE PACKET CORE Networks,  Networks Elements and Interfaces.

·                                       LTE  packet core dimensioning.

·                                       LTE  Backhaul dimensioning and  requirements.

·                                       LTE comparison with  GSM/UMTS/WCDMA/HSDPA  Technologies.

·                                       SIP  protocol,  SIP  calls flow, 

·                                       Diameter  protocol,  Radius  protocol

·                                       WIFI  Technology  design and troubleshooting.

·                                       LTE  Courses  to  New  Graduates Engineers  and to Sales  and Customers  groups.  

·                                       LTE proyects  and  presentations.

·                                       Ip  Network Addressing.

·                                       Lte  MAP  Cell site  selections.

·                                       Cell site  requirements.

·                                       Installing  ericsson  LTE  RBS  6201.

·                                       FCC,  FAA,   Submissions and  Regulations.

 

UMTS,  HSDPA,  Theory and Fundamentals.

 

UMTS  Link  Budget

UMTS HSDPA,  Planning  and  Optimization  using  Forsk  Atoll  radio planner  V3.1

UMTS HSDPA,  KPI´s  checking,  CSSR,  Dropped  calls ,  Handover,  IRAT  Hand over, pilot pollution

UMTS  LAYER  3  Analysis

UMTS  Drive test  using  Huawei  genex probe  software,  Ericsson TEMS Investigation

 

·                                       -HSDPA and HSUPA doing  PLANNING and OPTIMIZATION.  

·                                       -HSDPA DOWNLINK and UPLINK LINK BUDGET ANALYSIS.

·                                       -HSDPA  Measurements with E6474A equipment.

 

IDEN Theory and fundamentals.

 

·                                       IDEN Link budget  analysis.

·                                       IDEN  Drive test and Optimization with E6474A  equipment.

·                                       IDEN  Measurements with Agilent technologies

 

CDMA, EVDO,  IXRTT theory and fundamentals.

 

·                                       CDMA,   EVDO,  IXRTT, LTE NETWORKS protocols and interfaces

·                                       CDMA  EVDO  Planning and Optimization  usin  Atoll software V3.1

·                                       CDMA,  DRIVE TEST  using, Ericsson TEMS,  GENEX PROBE  software.

·                                       RAN  design,  transmission, Ip, Core.

·                                       CDMA EVDO  Link budget  analysis uplink and downlink. 

·                                       CDMA  EVDO  KPI'S  Measurements,  coverage,  capacity,  dropped calls.

·                                       Pilot  pollution, handoff

·                                       EVDO  Call processing.

 

·   Propagation  Models and Formulas  HATA-OKUMURA, COST  231,  Walk-fish-Ikegami.

 

·   K-1297-G20 ANALYZER of TEKTRONIX checking all the UMTS interfaces Iub, Iur, Iu etc.

 

Ericsson knowledge in   GSM, CDMA, UMTS  and 

WCDMA Commissioning  RBS 2000 and RBS 3000  series

Node B, eNode B,  Protocols,  interfaces,  measurements,  to  do  drive test ,  optimization,

RAN Planning,  IP Networks,  Transmission,  Core,  Ericsson  RBS,   RNC.

Experience  in  Sales,   doing presentations, speaking with customers.

Doing  SW and HW  upgrades.

 

Checking  WIFI  networks,  GPS,  Antennas,  VWSR.

ATM,  IP  Routing  and protocols.

 

PROFESSIONAL EXPERIENCE.

 

DRIVE TESTER  and optimization  Engineer.

Company  LCC Central  America in  Mexico.                                                                         2012 – 2014.

Doing  DRIVE TEST  and  SSV ( Single  Site verification in  UMTS, WCDMA  and HSDPA)

Using the software  SWISS QUAL,   this software is special to do these tests

Installing the equipment,  DATA CARD,  MOBILES,  GPS,  SCANNER, Antennas,

Cables, conectors,  doing short calls,  long calls, checking  data DL and UL  and  SSV.

And doing the  TESTS.

Checking  the  UMTS L3 Layers,  KPI  indicators,  dropped calls,  handover,

Coverage,  RF Parameters  for Optimizaton.

Sending the LOGS  files  to the remote site  using  the File-  ZILA program.

Checking the log files for optimization.

Working by proyect.  

 

SGF Global  company  Mexico

Tester

Doing  drive test  using the Genex  Probe,  checking  GSM,  UMTS

Technologies

checking  KPIś, and doing  optimization.

                                                                                                                                                        2011-2011.

RF ENGINEER and DRIVE TESTER in GSM/UMTS Tech.                       2010 – 2010

LCC  Company   In  Mexico.

 

•           Doing DRIVE TEST Data collection checking coverage  using TEMS POCKET

             moviles  and AGILENT E6474A equipment in GSM/GPRS/UMTS.

•           Measurements in the field,  Antenna, tilt, Antenna height,  Antenna

             Azimuth, EIRP, Cable loss to BTS, NODE B,

             TX power,  CPICH SIGNAL LEVEL MEASURE,  PILOT POLLUTION.

•           CHECKING KPI PARAMETERS - Coverage,   capacity,  call set up success rate,

             handover success rate, dropped  calls,  Call rate, call quality,  RSCP/EC/Io parameters,  Scrambling codes.

             Pilot pollution analysis.

 

RF Interference  Analysis

RF Formulas  HATA-OKUMURA, COST  231,  Walk-fish  Ikegami

Link  budget  Analysis in  GSM, UMTS, LTE.

Ran  design in  UMTS, LTE  technologies.

TCP/IP Protocols, UMTS, SS7, RANAP, RNSAP, RLC/RRC/MAC protocols.

Digital  services  T1,  T3,  E1, E3,  SONET, FDDI,  OC-3, OC-4

ATM,  IP Routing  technologies.

ATM  IP  Networks.

IRAT  HANDOVER.

Cell sites  revision and acquisition.

 

WIFI  Networks, protocols,  802.11, installations, WLAN networks

 

PROFESSIONAL EXPERIENCE…. CONTINUATION.

 

Installer Engineer  2008- 2009

Globe Wireless USA company.

 

•Installing, configuring and repairing Computers,  HARDWARE and SOFTWARE of Satellite equipment, HF Radio equipment, GPS, CPU equipment, IP Address and Alert Terminals.

•Installing NIC CARDS, ETHERNET CABLES, RF ANTENNAS, GPS equipment

•Configuring IP ADDRESS.

•Doing Troubleshooting of installations.

•Working in Vessels.

 

Instructor   2007-2008

Instituto Politecnico Nacional in Mexico City

Teaching courses to Engineers  in UMTS, including the background in GSM/GPRS EDGE Technologies).

·                                       Design, planning and optimization in UMTS and GSM/GPRS/EDGE Networks (PCU-SGSN-GGSN-IP Network).

·                                       Umts Networks (R-99 y R-4). UTRAN, (UE - NODE B - RNC SGSN, GGSN),

·                                       Umts Channels.

·                                       UMTS Link budget Calculations, RF Propagation formulas.

·                                       Working in the field doing drive test and GSM/UMTS

·                                       Network Optimization.

·                                       ATM Cell technologies.

 

Group chief. 2005-2006.

Advanced Quality Services S.A.

·                                       Installing and commisioning TX, RX, VSAT Hughes Satellite equipment, Antennas and configuring the Satellite LINK in regional offices of banks in Mexico.

·                                       Doing in Microwaves links  Map survey, Site survey and Link budget analysis using the PATH LOSS 4.0 version.

 

Coordinator and Instructor in Cellular and Microwaves technologies                2000 - 2004.

WFI and  ICC & ASSOCIATES., Mexico S.A.

Teaching courses to Engineers.

·                                       In CDMA, TDMA, GSM/GPRS, IDEN, PCS Systems.

·                                       Propagation  Formulas  HATA-OKUMURA,  COST 231, Walk fish  Ikegami.

·                                       GPRS Networks, (PCU, SGSN and GGSN, IP Network).

·                                       Measurements of TX y RX in BTS of CDMA and GSM/GPRS technologies.

·                                       Microwave technologies.

·                                       Digital Modulations QPSK, PSK, GMSK, QAM etc.

·                                       PCM Process and TDM Process.

·                                       Digital services.

·                                       T1, E1, E3, T3, SMT-1, SONET, OC-1, OC-3.

·                                       STM-1, STM-4, STM-16.

·                                       Link budget analysis.

·                                       Calculation of microwaves links.

  2003

TELMEX Company.

·                                       Doing microwave network design

·                                       Visit Veracruz State in Mexico doing Map survey and Site survey.

·                                       Calculation in Microwaves Link and propagation, using

·                                       Path loss version 4.0 for Microwaves links.

·                                       Installation of PDH Alcatel 9400UX, 9400LX

·                                       Teaching course of CERAGON  Microwaves equipment   SDH FIBER-AIR 155.

·                                       Indoor and Outdoor installations of cellular and Microwaves equipment.

·                                       Including cabling, and connectors in Racks.

·                                       According standards and specifications.

·                                       Minilink E, TN,AXR, BAS HUB, of Ericsson, NEC

·                                       Working on Microwaves ( 15, 18, 23 GHZ bands).

·                                       Selecting Cell Sites, Checking interference EMI using GPS, DGPS, COMPASS, COMPAQ PDA, equipment for making Site Survey.

               2002.

TELCEL Company

·                                       Doing drive test with COMARCO Wireless RF TOOLS and HP Agilent E6474A for GSM/GPRS and CDMA2000 Techs.

 

Radio-Communications Project Manager 1994 - 2000.

NOVACOM. S.A. Company.

·                                       VHF and UHF Motorola and Kenwood equipment.

·                                       Making Projects with 3 engineers to my charge.

 

Manager in projects of radio-Communications.              1991 - 1994.

Sonic Sistemas S.A.

·                                       VHF and UHF Equipment Motorola and Uniden.

·                                       Making projects with 3 Engineers to my charge.

 

Radio-communications project Engineer.1988 -1991

General de Radio S.A.

·                                       VHF and UHF General Electric Equipment.

 

Radio-communications Systems Engineer 1983 -1987

Motorola de Mexico S.A.

·                                       Make VHF, UHF projects of Radio-communications Systems.

 

ADDITIONAL TRAINING AND  KNOWLEDGE IN TELECOMMUNICATIONS.

And computers.

 

·                                       WINDOWS XP,  7,  UNIX,  LINUX,  EXCEL, word  2007.

·                                       Microsoft OFFICE 2003,  Windows 7, Windows XP, Outlook of Microsoft,

·                                       Microsoft Project 98 for making projects.

·                                       Win ZIP.

·                                       Windows NT 4.0,

·                                       LAN,  WAN Protocols.

·                                       X.25, Frame Relay, ISDN, PPP Protocols.

·                                       LAN WAN NETWORKS.

·                                       TCP/IP,  IP Routing,  SS7 Signaling.

·                                       VOIP networks and protocols. H323, H248 Megaco, ISP.

·                                       VPN Protocols  L2TP and PPTP.

·                                       ATM Cell Technologies.

·                                       Digital Services PDH, SDH,  E0, T1, T3, E1, E3,  SONET, STM-1, OC-1, OC-3.

·                                       FCC  and  FAA regulation.

 

·                                       CISCO  ROUTERS,  Configuration, installation and  troubleshooting

·                                       IRP,  IGRP, Enhanced  IGPR,  BGR,  OSPF,  CIP  Protocols.

 

·                                       WIMAX Technologies.

·                                       OFDM, PHY, TDD estructure ( Mobile and fxed Wimax)

·                                       MAC Layer, Handoff, power System,

·                                       System Performance and evaluation, etc.

·                                       Planning and design WIMAX Networks.

·                                       WIMAX LINK BUDGET CALCULATIONS.

·                                       WIMAX Networks, channel structure, BTS, CPES Equipment.

·                                       WIMAX Network dimensioning.

·                                       WIMAX Radio Network planning and optimization.

·                                       WIMAX RF Measurements.

·                                       SIMO, MIMO System Antennas.