Daniel Hernandez available

Daniel Hernandez

Senior RF Designer and Optimization Engineer

available
Profileimage by Daniel Hernandez Senior RF Designer and Optimization Engineer from
  • Freelancer in
  • Graduation: Electronic Engineering
  • Hourly-/Daily rates: not provided
  • Languages: English (Native or Bilingual) | Spanish (Native or Bilingual)
  • Last update: 05.04.2018
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CV Daniel Hernandez
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SKILLS
I characterized by the satisfaction of new challenges, learn new technologies and the continuous updating in new fields; keep growing in knowledge and humanistic tendencies, charisma is always present, adaptation and group management. The constant contribution, optimism and improvement in work environments where I work to grow as a person and professional way, great facility to communicate ideas, excellent disposition to work as a team player.
Extended Knowledge in Huawei Technologies, Ericsson and NSN Vendors equipment, advanced management office software (Microsoft), Systems Operating Windows 2000 server. Basic knowledge about the structured wiring and configuration of router, knowledge about LAN and WAN, knowledge about mobile technologies: GSM, CDMA-1X, WCDMA. Knowledge in
operation system such as OSS, WinFiol, Node Manager, Wire shark, Hit, ZOC, WBTS SITE MANAGER, NETAC, RU40 Policy. U2000, UNET, OMSTART, ASSISTANT.

WORK EXPERIENCES

SENIOR LTE RF CONSULTANT , ERICSSON S.A MEXICO FOR TELCEL customer (Best network Project)
Jul-2017 / Present
The Best network projects consist in reach a target for different KPI (Acc, Ret, Thp, Mobility, Etc…) proposed by the customer, in this kind of project we have two approaches: 1) Reach the best network target 2) Attend customer needs, and complain during the all project. For this type of projects, we use different strategies and Knowledge to fulfil the customer requirement listed below:
•Advanced skills in troubleshooting LTE technologies
•KPI's Monitoring LTE
•New proposal for LTE Network optimization
•LTE Traffic Optimization.
•Statistical analysis of data & Trend Analysis
• Extensive experience in Performance metrics (KPIs) and good experience on 3G and 4G
• LTE Parameters configuration for network optimization
• Perform in-depth analysis of CDR, ACC, RET, Throughput, IRAT issues
• Troubleshoot radio interface and transport layer problems
• IRAT (L2U, U2L) Parameters optimization Advanced Knowledge
•LTE Reselection Parameters optimization Advanced Knowledge
• New Proposal for THP improvement
• Propose new Strategy for Traffic migration
• RF Shaping Advanced Knowledge
• Advanced Knowledge in VoLTE
• Experience Troubleshooting VoLTE
• Knowledge in Parameters Configuration for VoLTE
•Perform accessibility optimization based KPI monitoring LTE
• Plan, coordinate, direct and supervise activities related to the development of the project at different stages, according to procedures established by the Client.
• Support for customer operations as a regional team leader for Region 3(Durango, Chihuahua, Torreon and Juarez) in Mexico
• Implementation of new LTE features and fine-tuning
• Trace analysis, layer 3 signaling analysis that helps to drill down the causes of KPI degradation or in a case of a specific user complaint
Checking the current configTracking Area Code(TAC), Paging, Physical Cell ID(PCI).
• Extensive knowledge in Ericsson Tools (NEPA, Eniq, Moshell)
? SENIOR RF CONSULTANT , HUAWEI TECHNOLOGIES MEXICO FOR AT&T CUSTOMER (Best network Project)
Nov-2015 / Jul-2017
The Best network projects consist in reach a target for different KPI (Acc, Ret, Thp, Mobility, Etc…) proposed by the customer, in this kind of project we have two approaches: 1) Reach the best network target 2) Attend customer needs and complain during the all project. For this type of projects, we use different strategies and Knowledge to fulfil the customer requirement listed below:
•Advanced skills in troubleshooting UMTS technologies
•Statistical analysis of data & Trend Analysis
• Extensive experience in Performance metrics (KPIs) and good experience on 3G and 4G
•KPI's Monitoring (UMTS/LTE)
•UMTS Traffic and Capacity Optimization advanced knowledge.
•LTE Traffic and Capacity Optimization.
• UMTS Configuration Parameters optimization advanced knowledge
• LTE Configuration Parameters optimization Advanced Knowledge
• Perform in-depth analysis of CDR, ACC, RET problems, Troubleshoot radio interface and transport layer problems
• IRAT (L2U, U2G) Parameters optimization Advanced Knowledge
• UMTS, LTE Reselection Parameters optimization Advanced Knowledge
• Perform parameter optimization for effective load balance between carriers (UMTS)
• RF Shaping Advanced Knowledge
•Perform accessibility optimization based KPI monitoring (UMTS/LTE)
• Prepare and publish technical guidelines and results of technical studies.
•.Coordinated partners for drive tests and post processing
• Plan, coordinate, direct and supervise activities related to the development of the project at different stages, according to procedures established by the Client.
• Support for customer operations as a regional team leader for Peninsula Region in Mexico
• Planning and Optimization of multiple carrier 3G
• Implementation of new features and fine-tuning
•Help for the proposal tender for the 700MHZ band (LTE) in Mexico making the planning for new sites distribution.
• Planning new sites based in coverage, MAC UL/DL Throughput.
• Make projection and simulations of quantity of site and location distribution for cities and states.
• Extensive knowledge in Huawei tools such as OMSTART/FMA (LTE/UMTS)/CME/U2000
? SENIOR RF CONSULTANT, NOKIA COLOMBIA FOR CLARO CUSTOMER
February-2015 / Nov-2015
Responsible for the Initial Configuration Review and Performance of the 2G/3G/LTE sites to be integrated into Claro Colombia Network, performing the following tasks:
-Reviewing of the configuration parameters of the 2G (BCF, BTS-850MHz/1900Mhz), 3G (WBTS-850MHz/1900Mhz) and LTE (eNodeB) sites, according to RU40 Policy as the first step, out of 3, before the site is formally integrated into customer´s network, the jobs executed on the sites to be reviewed are the following:
-- New Site 2G
-- New Site 3G
-- New Site LTE
-- LTE ADD 2G-3G
-- 3P Activation 1900MHz
-- 4P Activation 850Mhz
-- Sector Expansion 2G-3G
-- MMR 2G - RF Sharing and Rx Diversity 3G
-- Channel Element Increase
-- MultiCarrier HW Upgrade
- Execution of troubleshooting, recomissioning and reconfiguration of the WBTS when the parameters are not according de RU40 Policy, changing parameters such as:Tcell´s, LCG, HSUPA, HSDPA, CCCH and R99 Licensing, VSWR and when it is needed, the configuration of the LAC, SAC, RAC and URAId in the RNC.
- After the sites are approved as well configured the performance of the sites (2G/3G/LTE) are been monitored for a 12hr and 48hr period, measuring and analyzing KPI´s, if these are in the expected and right behavior, the site is formally integrated into customer´s network.
- The tools that are used to perform the tasks listed above through a remote connection are RAS, OMS, Tang and NetAct.
? RNO ENGINEER, ISATELGROUP
AUG-2012 / FEB-2015
Two different projects were performance: 1) RNO consultant for ETB Customer for the new develop network with Movistar 2) Trainer LTE RNO Engineer For Claro Customer for both projects we have different strategy and knowledge listed below:
RNO Consultant for ETB Customer:
• Initial testing of the network before launching phase, which includes RSRP, SINR and PCI verification.
• Perform in-depth analysis of throughput problems, Troubleshoot radio interface, transport layer problems with the help of UDP/TCP packet injection at different network elements.
UMTS / CDMA radio access network in terms of accessibility, the ability to retain mobility and coverage.
• Huawei UMTS (HSDPA) / GSM systems knowledge: The performance of design, planning, initial setup, Network optimization and KPI, make scripts for RNC and Node B. Analysis and optimization of CQI, RSCP, Ec / Io to improve network coverage by changes in the parameters of optimization or outdoors.
• Trace analysis, layer 3 signaling analysis that helps to drill down the causes of KPI degradation or in a case of a specific user complaint.
• Perform parameter optimization for effective load balance between 3G Carriers and towards IRAT in accordance with operator strategy
• Validation and verification of KPI for 2G, 3G, 4G(ACC/RET/Traffic)
• Checking the current configTracking Area Code(TAC), Paging, Physical Cell ID(PCI).
•Troubleshooting for UMTS/LTE technologies (Huawei Vendor)
•New proposals for KPI Optimization for UMTS/LTE technologies (Huawei Vendor)
•KPI's Monitoring (UMTS/LTE)
•UMTS Traffic and Capacity Optimization advanced knowledge.
•LTE Traffic and Capacity Optimization.
• UMTS Configuration Parameters optimization advanced knowledge
• .Optimization Radio Network including parameters BSS6900
• Strong understanding of concepts UMTS and LTE
Trainer LTE RNO Engineer
• Develop and deliver training courses about Huawei LTE products.
• Participate in the evaluation and analysis of comments and complaints from our customers regarding the quality of our training services.
• Training and Quality Assurance (supervision)
• Networking Trained Partners Community feedback gathering for training continuous improvement
• Training development according to LATAM needs with WW L&D team support
• Quarterly results presentation to respective stakeholders
• Training delivery to LATAM partners with Training Partners support.
• Prepare production material, mainly international and design of the training program on issues of implementation and O & M.
? RF ENGINEER, HUAWEI TECHNOLOGIES, VENEZUELA
Apr-2009 / AUG-2012
Operation and maintenance (RNO) of the CDMA network for Movilnet customer and Implementation and maintenance (RNP/RNO) of the UMTS network for Digitel.
Main tasks:
UMTS / CDMA radio access network in terms of accessibility, the ability to retain mobility and coverage.
• Huawei UMTS (HSDPA) / CDMA systems knowledge: The performance of design, planning, initial setup, Network optimization and KPI, make scripts for RNC and Node B. Analysis and optimization of RSCP, Ec / Io to improve network coverage by changes in the parameters of optimization or outdoors.
• Reduce interference, control of the coverage and definition of the footprint of each cell.
• Setup and optimization of UMTS network in the city of Maracaibo, the development of cluster final reports for the delivery of the city with special customer requests within the network KPI.
• UMTS Phase 1 Planning / Design for the city of Maracaibo including neighborhood planning.
• Identification of pollution degradation pilot Ec / No
• .Optimization Radio Network including parameters BSS
• Strong understanding of concepts UMTS
• Adjustment and optimization of heterogeneous networks, Site Surveys and tests Drive.
• Monitoring KPI generation, accountants, and KPI formula.
• Experience in RF planning and optimization and network performance of CDMA / WCDMA
• In collaboration with the RNP / RNO to investigate dropped calls and failures during unit tests in all groups of CDMA / UMTS
• Optimization of clusters to achieve the objective of KPI.
• Managing compared Drive Test & Survey Equipment
? WIRELESS NETWORK ENGINEER, ERICSSON VENEZUELA.
JUN-2008 / APR-2009
Operation and maintenance for Telefonica Venezuela Client.
Main tasks:
• Plan, coordinate, direct and supervise activities related to the development of the project at different stages, according to procedures established by the Client.
• Participate in meetings and workshops with the Client and with the multidisciplinary team, to exchange information on issues of common interest.
• Coordinate with management to prepare and monitor the approved budget authorized by Customer, in order to efficiently manage the financial resources allocated under criteria of rationality and cost consciousness, according to the objectives and goals.
• Support for customer operations.
• Increased the different interfaces including ABIS and IuB interfaces.
• Carry out daily, weekly and monthly.
• Making full backup and network backup support to maintain equipment
• Daily alarm reports for analysis.
• Apply different Troubleshooting for the resolution of network faults
• Develop scripts.
• Participate in the programming and testing of configurations.
• Provide activity reports as required.
• Emergency Management Network 24 hours.
• Creation, implementation and statistics start to stem the growth of CDMA Network (Lucent), GSM (Nokia NSN) and fixed central AXE APG40(Ericsson) 212/33.
• Extensive knowledge of Huawei, Nokia technology • Extensive knowledge in Hw Nokia BSC Flexi, Node B Flexi
• Handling equipment such as Huawei BSC6900 focus in BTS. • Experience in analyzing statistics and counters plus platforms as NSN and Ericsson.
• Being able to correct problems that occur during maintenance windows on different equipment.
• Participate in ongoing training to understand and manage teams.
REFERENCES
Antonik Fornino_Ericsson Mexico
Gustavo Moreno_Huawei Technologies Mexico
Juan Camilo Zuñiga_NSN Colombia
TIME AND SPATIAL FLEXIBILITY
Location Flexibility 100% available
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