Christophe Garreau Email & Phone Number

French Polynesia

French Polynesia

French Polynesia

French Polynesia

Sri Lanka / Cameroun / Nepal

Several technical audits for government and telecommunication groups:- Axiata Group: CAPEX Efficiency Audit of all 2015/2016/2017 projects related to radio in several operations of Axiata Group (audit of Business Cases/ Strategy/ technological roadmap/ design criteria/ features/ parameters/ licenses/ purchased HW to identify CAPEX/OPEX saving technical solutions). Analysis of BoQ and POs to detect unnecessary spendings and early investments.- Cameroun Telecom Ministry: Technical audit… Show more Several technical audits for government and telecommunication groups:- Axiata Group: CAPEX Efficiency Audit of all 2015/2016/2017 projects related to radio in several operations of Axiata Group (audit of Business Cases/ Strategy/ technological roadmap/ design criteria/ features/ parameters/ licenses/ purchased HW to identify CAPEX/OPEX saving technical solutions). Analysis of BoQ and POs to detect unnecessary spendings and early investments.- Cameroun Telecom Ministry: Technical audit of all operators in the country (KPI/Strategies/Parameters/Features) for all available technologies (2G/3G/4G) on behalf of Cameroun government. Vendors: Huawei + Nokia + ZTE + Ericsson-Executive presentation to board of directors (CxO). Show less

Ecuador / Peru

3G RF Optimization (layer management, mobility with 2G/LTE, admission control, parameters fine tuning, feature activation...)Initial Tuning (Actix).COPS Mentor.Vendors: Huawei GUL (2G/3G/LTE), Nokia 2G.

Mexico

RF Optimization (Ericsson 2G and NSN 3G).E2E troubleshooting.RF support for swap to Huawei single RAN solution.

Russian Federation

RF expert in the procurement process for Nertwork Modernization (12000 sites 2G/3G/LTE).RFQ, Tender Evaluation and BoQ technical alignment for all main vendorsUTRAN/eUTRAN Dimensioning (CE, Carriers, eCarriers, RRC connected users, throughput…Single Ran solutions evaluation for all vendors.Definition of main LTE KPIs for acceptance (RSRP/RSRQ, PUSCH Tx Power, CSFB Setup Success Rate, RRC Connection drop rate…)Evaluation/alignment of all available features 3G/LTE from all… Show more RF expert in the procurement process for Nertwork Modernization (12000 sites 2G/3G/LTE).RFQ, Tender Evaluation and BoQ technical alignment for all main vendorsUTRAN/eUTRAN Dimensioning (CE, Carriers, eCarriers, RRC connected users, throughput…Single Ran solutions evaluation for all vendors.Definition of main LTE KPIs for acceptance (RSRP/RSRQ, PUSCH Tx Power, CSFB Setup Success Rate, RRC Connection drop rate…)Evaluation/alignment of all available features 3G/LTE from all main vendors (MIMO, ICIC, Scheduler, CS Fallback…) Show less

Paraguay

3G/LTE Training for local team: Air Interface, planning, optimisation, KPIs, advanced features, HSPA+3G/HSDPA/HSPA+ Optimization/Technical Recommendations (Huawei/Ericsson equipment)2G/3G Multi-layer Strategy definition and implementationEvaluation and improvement of Milicom 3G dimensioning toolEnhanced Fast Dormancy implementationLAC/RAC/URA planning

Honduras

3G optimization for the 3 main cities (Huawei/Ericsson equipment)Parameters fine tuning, trial/implementation of new features, cells re-design, troubleshooting…High KPI targets achieved (drops, accessibility, pilot pollution and customer satisfaction).Local training on 3G planning

Mexico

3G optimization process revision (KPIs, drive tests, RSCP and Ec/Io targets)3G original design revision (propagation models, cell parameters, traffic simulations…)HSDPA/HSUPA parameters fine tuning (HSDPA scheduler/HARQ/, RRC states, Load/Admission control, SHO, Power control…)Drive test analysis (Assistant/Actix) and cluster optimization (HSDPA/HSUPA throughput, latency, CDR, CSSR, Pilot Pollution…)Local Team / Subcontractors trainings: HSDPA/HSUPA basics and advanced features,… Show more 3G optimization process revision (KPIs, drive tests, RSCP and Ec/Io targets)3G original design revision (propagation models, cell parameters, traffic simulations…)HSDPA/HSUPA parameters fine tuning (HSDPA scheduler/HARQ/, RRC states, Load/Admission control, SHO, Power control…)Drive test analysis (Assistant/Actix) and cluster optimization (HSDPA/HSUPA throughput, latency, CDR, CSSR, Pilot Pollution…)Local Team / Subcontractors trainings: HSDPA/HSUPA basics and advanced features, main mechanism/parameters (power control, admission control, load control, RRC states, Paging…) Show less

Paraguay

o HSPA+ vs LTEo Spectrum issues (Blocking, Intermodulation, Spurious emissions…)o Engineering rules for 2G/3G/LTE co-location.o LTE products benchmarking for main vendorso LTE coverage and capacity analysis

Arizona, Us

Master Plan 2G/3G/LTEo RF design and dimensioning 2G/3G/LTEo 2G/3G/LTE Link Budgets.o Definition of 3G/LTE traffic mix and 3G/LTE subscriber profile based on marketing inputs.o Design 3G with Monte Carlo simulations (Atoll tool). DL Power distribution. Cells configurations.o 3G capacity planning: Code/Channel Elements/licenses dimensioning per site/RNC for R99, HSDPA and HSUPA users (Ericsson RBS6000 and Nokia Flexi WCDMA calculations).• Technical recommendations for… Show more Master Plan 2G/3G/LTEo RF design and dimensioning 2G/3G/LTEo 2G/3G/LTE Link Budgets.o Definition of 3G/LTE traffic mix and 3G/LTE subscriber profile based on marketing inputs.o Design 3G with Monte Carlo simulations (Atoll tool). DL Power distribution. Cells configurations.o 3G capacity planning: Code/Channel Elements/licenses dimensioning per site/RNC for R99, HSDPA and HSUPA users (Ericsson RBS6000 and Nokia Flexi WCDMA calculations).• Technical recommendations for flat RAN, single RAN and LTE solutions Show less

Haiti

- RF planning:TCPU frequency planning, Indoor solutions, LAC design, AFP, Propagation Model Calibration, benchmarking, EDGE planning, sites audit...- Optimization:DT logs analysis, Creation of BO reports, parameters fine tuning, analysis with RNO tools (FAS, MRR, NCS...), OSS and Winfiol, activation and evaluation of new Ericsson features.Support of Local Team.Emergency Technical Support in Turks and Caikos.

Vietnam

Coordination of sites audit and drive test team for Hanoi region.Overall audit of parameters (dual-band startegy, HR/FR, Power Control, AMR, GPRS/EDGE...) Alcatel+Ericsson Equipements.New frequency plan proposal and implementation.Audit of BSS dimensioning.

Kenya

Optimisation of Ericsson BSS (BSSR12 release)Initial parameters of new GSM-DCS network (overlaid-underlaid, frequency hopping, power control, CHAP, Handover, link budget…)Implementation of TCC solutions.Drive tests team management and DT post processing.

Germany

Alcatel swap for T-Mobile in the Berlin regionOptimisation and trouble-shooting of over 500 cells in a Alcatel B9 network with BSC EVO and twin TRX.Fine tuning for KPIs improvement (high targets on CDR, HSR and CSSR)

Senegal

UMTS soft launch: Technical requirements for UMTS roll-out for vendor selection: Architecture (Number of Node B, RNC, evolution of HLR, SGSN), UMTS parameters (CPICH RSCP and Ec/Io, scrambling codes, soft and softer HO, 2G/3G HO…), features (HSDPA, HSUPA, DVB-H…)3G planning: neighbors, SC planning, Monte Carlo simulations… Tool: Asset 3GDefinition of UMTS KPIs.EDGE dimensioning for 44 BSC.

Mozambique

- GPRS and EDGE optimization on dual band GSM network for 9 BSC. . Definition of optimization process and relevant KPIs . Optimization for satellite links (Abis and Ater): tuning of BSS, Gb and SGSN timers, synchronization issues... . Protocol analysis with Tektronic K15: BSSGP, SNDCP, GMM… . Interconnection between Ericsson CGSN G3.0 and Alcatel BSS B8. . End to end throughput optimization. . EDGE deployment.

- GPRS, EDGE Parameters fine tuning and BSS Dimensioning for PoC service . GSM, GPRS, EDGE OMCR data collection. . Analysis of raw OMCR data to produce customized KPIs. . GPRS parameters fine tuning and optimization: - TBF Establishment mean time and TBF Establishment success - Link Adaptation and Incremental Redundancy thresholds - PDCH allocation and de-allocation algorithms - GPRS Power Control and Cell Reselection… Show more - GPRS, EDGE Parameters fine tuning and BSS Dimensioning for PoC service . GSM, GPRS, EDGE OMCR data collection. . Analysis of raw OMCR data to produce customized KPIs. . GPRS parameters fine tuning and optimization: - TBF Establishment mean time and TBF Establishment success - Link Adaptation and Incremental Redundancy thresholds - PDCH allocation and de-allocation algorithms - GPRS Power Control and Cell Reselection efficiency . Gb Link Optimisation (Flow Control parameters, BSSGP…) . Drive test analysis with MDTT. . Optimisation of Push To Talk services. . Perform dimensioning of all BSS (for PS and CS) . Applied to Alcatel network (B9 Release) and Nortel network (V15 release). Show less

Reunion

GSM, GPRS and EDGE network optimisation for Reunion Island Implementation of new services (Chat, TV Live, Business Everywhere…)BSS Dimensioning on Alcatel EquipmentNetwork Roll-Out for Mayotte: BSS Technical Request For Proposal (budget forecast for Alcatel BSS network: 30 Evolium BTS, 1 G2 BSC, 1 G2.5 TC, 1 A935 MFS, 1 OMC-R…)

. In charge of GSM network optimisation for Martinique and French Guyana on Alcatel network: Cell Site optimisation, parameters fine tuning, implementation of new GSM features (half rate, Frequency Hopping, GPRS, single BCCH… )., Traffic optimisation….. Co-ordinated Drive Tests and sites extensions. Traffic forecast and dimensioning . Daily monitoring of statistics from the OMC, weekly and monthly QoS reporting (KPI from RNO: drop call, congestion, throughput, TBF failure…)… Show more . In charge of GSM network optimisation for Martinique and French Guyana on Alcatel network: Cell Site optimisation, parameters fine tuning, implementation of new GSM features (half rate, Frequency Hopping, GPRS, single BCCH… )., Traffic optimisation….. Co-ordinated Drive Tests and sites extensions. Traffic forecast and dimensioning . Daily monitoring of statistics from the OMC, weekly and monthly QoS reporting (KPI from RNO: drop call, congestion, throughput, TBF failure…). RF Planning (Cell Planning, Site Survey, On Field technical validation, environmental, legal and security issues, frequency planning…).. Special Projects: Indoor Coverage, Repeaters… Show less

In charge of GSM Transmission planning for BLU (4th GSM operator in Italy) on Nokia network. Designed the transmission nominal plan for the surrounding of Milan (Microwave planning and topology planning for 250 sites).. Assessed and selected equipment and parameters for each Microwave link using the software IQLink.. Routed the BSS part of the network (Abis link, PCM allocation, logical connections, Q1 polling…). Supervised the LOS team (4 people) and managed the LOS… Show more In charge of GSM Transmission planning for BLU (4th GSM operator in Italy) on Nokia network. Designed the transmission nominal plan for the surrounding of Milan (Microwave planning and topology planning for 250 sites).. Assessed and selected equipment and parameters for each Microwave link using the software IQLink.. Routed the BSS part of the network (Abis link, PCM allocation, logical connections, Q1 polling…). Supervised the LOS team (4 people) and managed the LOS surveys.. Supported the RF team and carried out coverage, traffic simulations and Frequency Planning with NPSX and NetAct Planner. Show less

Master’S Degree, Signal Processing And Communication Systems

Diplôme D'Ingénieur

Education record