PAUL MARVIN L. CHY

1901W Spring Creek Pkwy APT 301,

Plano, Tx, 75023

Mobile: (206) 902.7884

Email: paulmarvinchy@yahoo.com

 

PROFESSIONAL SUMMARY:

             

·         With more than 14 years of extensive experience in the telecommunication industry.

·         Knowledge and experience in GSM, GPRS, EDGE, CDMA, UMTS and LTE Technologies.

·         Commissioning, integration and troubleshooting of various network equipments e.g. Nokia, Ericcson, Huawei, Samsung and Cisco Network.

·         Hands on experience with IP network planning, design, solution, support, implementation and deployment of EPC/UMTS/GPRS PS Core Network (SGSN, MME, GGSN, SGW, PGW and CG).

·         Able to read and analyze network protocol for various network interfaces.

·         Performed operation and maintenance of Network Access Elements (Node B, ENode B, BTS)

·         With Ericsson’s RT1/RT2, ST1, Nokia’s NGR3, NRT2, NRTU2, UMTS Flexi Certifications.

·         Excellent interpersonal and communication skills, good team spirit and adaptability. Ability to work in a fast paced and dynamic environment.

 

PROFESSIONAL EXPERIENCE:

 

Worldlink Incorporated, Frisco, Tx                                                                      March 2013 – Present

RAN Commissioning Engineer (Samsung Telecommunication America)

·         Remotely performs system and network commissioning and integration on Sprint 3G and LTE network deployment.

·         Provide Technical Support to Field Engineers for troubleshooting, call test, performing E911and ATP completion.

·         Performs pre-Migration 2 activities Sprint 3G network such as generate/loading commercial scripts, upgrading Firmware/Software version for Samsung MMBS and RRH and configuring BTS FAs on a per market basis.

·         Review and implements software releases, patches, and MOPs in networks.

·         Manage network configuration changes (hardware, parameter changes, etc.).

 

Astron Consultant LLC, Richardson, TX                                                                      December 2012 – March 2013

LTE PS Core Consultant (Cisco Network)

·         Provide Technical support Cisco’s for ASR5500 equipment for AT&T LTE/VoLTE Lab Project Development testing.

·         Conduct performance testing and troubleshooting issue of Cisco’s ASR5500 SGW, PGW and PCEF using IxLoad Software Simulation tools.

·         Provide support for executing of the Cisco ASR5500 LTE/VoLTE/PCEF Service Acceptance Test Cases

·         Conduct troubleshooting/ Analysis of PCRF/PAS for the Gx/Rx interface Diameter traces for VoLTE testing.

·         Read and analyzes LTE signaling interface trace using Netscout probe tools and Wireshark tool.

·         Experience with various network protocol for LTE and 3G such as (TCP/IP,GTP, Diameter)

 

Huawei Technologies USA Plano, TX                                                                      July2011 – December 2012

PS Core Engineer

·         Perform IP network planning (Low-Level Design), design solution and deploying of GGSN, SGSN, CG and other PS Core Network equipment.

·         Experience with various LTE/3G/2G  network interfaces (IuPS,Gr,Ga,Gi,S11,S1u,S1MME,S5,SGi)

·         Hands on experience for UMTS/GSM PS Core network system provisioning and End-to-End network integration.

·         Perform Patch/Software upgrade, script and license loading for EPC (MME/SGW/PGW), GGSN/SGSN/CG.

·         Read and interpret various signaling trace using Huawei LMT signaling trace tool and Wireshark tool.

·         Provide support for creating and executing of Acceptance Test Plans (ATP)/ End to End Testing.

·         Perform troubleshooting and testing of any current or existing network issue.

·         Ensure CDR generated by Charging Gateway and CDR verification in the Billing System.

·         End-to-end IP connectivity verification of SGSN/GGSN/CG with their peer (RNC, BSC, HLR, STP, DNS, OSS, BS)

·         Generate provisioning scripts for PS Core integration. Provides technical support to resolve Huawei customer issues.

 

 

Atlas Wireless Inc, Tampa, FL                                                                                     September 2008 – July 2011

Core Engineer/ Wireless Engineer (Support)

·         Provide support for commissionning of HUAWEI’s LTE CORE element (e.g. MME, HSS, PCRF, UGW, M2000, IMS, and Switches) and CDMA CORE element (e.g. BSC, PDSN, UMG, Switches).

·         Provide support for HUAWEI’s trial market in installation, commissioning, integration and troubleshooting of LTE eRAN, WiMAX RAN and CDMA RAN equipment.

·         Update and load  Software for ENode B BBU Box and RRU Radios.

·         Commission, Integrate of Ericsson’s 2206/2106/3106/3206/3418/3518 equipment. Load Scrip files to Ericsson’s 3106/3206/3018/ 3418/3518 equipments for new ATT UMTS integration and UMTS second carrier activation.

·         Experienced T1 testing with Switch, BSC support and Ericsson’s NIC for UMTS and GSM integration. Load IDB software for Ericsson’s GSM 2106/2206 equipments.

·         Performed UMTS/GSM troubleshooting with the Ericsson’s RNC engineer and BSC support

·         Performed drivetest to ensure network connectivity on Voice/Data/SMS using Ericsson’s TEMS to verify handover and position of each sector.

·         Perform re-groom on Ericsson GSM (2106/2206 cabinet reconfiguration) network prior to UMTS combo installation for T Mobile Market.

 

GW Communications LLC, Coppell, TX                                                                      June 2007 – September 2008

UMTS Engineer

·         Install, Commission, and Integrate of Indoor/ Outdoor Nokia Flexi UMTS 3G equipment.

·         Performed T1 testing and T1 Integration with T-mobile Switch.

·         Performed Nokia Flexi UMTS 3G Alarm Clearing and Troubleshooting.

·         Conducted Drivetest to verify Voice/Data/SMS and ensure proper handover and position of each sector.

 

T-Systems Incorporated Tulsa, OK                                                                      March 27, 2006 – June 2007             

BTS Engineer

·         Commission/Integrate/Troubleshooting of Nokia Ultrasite EDGE BTS Indoor/Outdoor Equipment.

·         Performed T1 testing using BER tested during Integration with the Switch and LOC/RIC.

·         Performed TRX Reconfiguration (Expansion, Downgrade, and Dual Banding).

 

Smart Communication Inc, Philippines                                                        September 2000 – February 2006

RF Optimization Engineer

·         Monitors and maintain the Standard Key Performance Indicator (KPIs) of BSS System.

·         Operate & analyze drive test data to check for coverage, handover performance & interference.

·         Modify BTS cell parameters to optimize system performance.

·         Performed BSC optimization and implement reengineering plan using Network Planning System (NPSX), TEMS drivetest data and ACTIX.

·         Performed post processing data using ACTIX and TEMS Deskcat.

·         Performed analysis and optimization of GPRS and EDGE Service.

·         Conducts drive testing, Benchmarking and walk test using TEMS, TEMS Lite, and Agilent NITRO/Viper.

·         Monitors and reduced TCH congestion and drops, improves the Handover, Location Update, paging & CSSR of BSS System.

·         Performs consistency check on GSM network parameters and neighbor relation using Reflection X application.

·         Attends customer complaints as part of company’s goal for total customer satisfaction.

·         Responsible for testing and monitoring the radio performance for the newly integrated sites.

·         Conducted RF site survey for Macro, Micro, Pico BTS and Indoor Distributed Antenna System (DAS) for 2G and 3G for new site and customer complaint area.

·         Performed BSC/ BTS alarm clearing and troubleshooting.

 

CERTIFICATIONS:

 

Ericsson’s RT1/RT2, ST1, Nokia’s NGR3, NRT2, NRTU2, AT&T’s ARES Design and Workprint

 

EDUCATION:

 

Central Colleges of the Philippines

Graduated with a Bachelor’s Degree in Electronics and Communications Engineering (ECE)

Professional Regulation Commission (Philippines), Board of ECE License no. 18960.

 

TRAININGS AND SEMINARS ATTENDED:

 

Huawei LTE OAM and Hand On Training                                          August 2009, Plano, Texas

Huawei LTE Product Overview Course (RAN/EPC)                            August 2009, Plano, Texas

Huawei LTE Technology Course              (LTESYSTRA)                            August 2009, Plano, Texas

OSP Engineering (FTTN/FTTP)                                                        May 2007, Hayward, California

Nokia Site Survey Training                                                        March 2007, Nokia Dallas

Nokia 3G Flexi Node B Boot Camp                                          March 2007, Nokia Dallas

Nokia 3G System Training (3GSYSTRA)                                           March 2007, Nokia Dallas

TEMS Investigation Ver. 5.0                                                        September 2004, Ericsson Philippines

Radio Network Optimization (RANOP)                                          November 2003, SMART Philippines

GSM BSS Parameter (BSSPAR)                                                        September 2003, SMART Philippines

GPRS Training System (GPRSSYS)                                          June 2003, SMART Philippines

GSM System Training (SYSTRA)                                                        May 2002, SMART Philippines

Wavelength Division Multiplexing (WDM)                            April 2002, ECI Philippines

Synchronous Digital Hierarchy (SDH)                                          March 2002, SMART Philippines