Tammam Hajj

•Mobility Strategy of the Nokia LTE sites
•Preparation and provisioning of commissioning files for new LTE sites
•Drive Test analysis for the new 3G Ericsson & 4G Nokia Sites
•Features activation such as RIM for WCDMA, RLF Triggered Handover, IRC, Channel Aware Scheduler (UL), Extended RLF handling, Neighbor Relation Robustness, Support of DRX in RRC connected mode, DL interference Shaping, LTE Flexible SCell selection, LTE UL Power Control, Configurable UL Interference Regions, Dynamic HO Blacklisting, Fast UL Link adaptation
•DL Interference reduction mechanisms, good knowledge using the eICIC/DL Interference shaping/MIMO
•Assisting 4G Team in DT reports acceptance preparation for the new sites
•Analyzing and solving PCI and RSI clashes and performing inconsistency checks of the newly integrated sites as a part of the acceptance procedure
•Auditing the Radio Network Parameters and Features of the new integrated sites in order to ensure they are aligned with the given baseline parameters and features
•RNC capacity planning, load balancing of the traffic
•WCL & Cluster optimization
•Audit on existing parameters, analysis and recommendations
•Big Events actions and analysis and lessons learned
•4G/3G KPIs Formulas audit

•Presenting New Design of 3G Idle and dedicated modes of the network
•3G/4G Benchmark between 2 operators for idle & dedicated modes parameters values taken from DT logs
•High level R& D 3G level optimization using hidden, and network level parameters (QoS, RNC level)
•WNCS, GPEH and RNC L3 messages traces, analysis and recommendation
•Redesign the PSC and neighbor’s definitions using ATOLL
•3G Inter-frequency load share design
•Improve 3G KPIs for all active services & enhancing the throughput of HS/EUL on network level (E/// W16B)
•Supporting the 3G optimization team with WPC analysis using KPIs, DT Data, Alarms & customer Complaints
•Cell and RNC parameter audit as well as audit of the activated features with the related parameters
•Proposal of different parameter changes and antenna actions to improve worst performing cells
•CE/Power/Code/MP Load utilizations studies to improve network performances
•VSWR/UL RSSI/ IFHO Studies and actions to improve network coverage and fix problematic areas
• Features trials, assessments and recommendations
•Activation of Ericsson Service Modules (ESM) Features on 3G network and assessments
•Regular meetings with Customer for network updates
•Study on the existing 3G traffic distribution strategy (traffic steering) & 3G Mobility Strategy
•Optimize different Timers for FACH and DCH channel switching to improve resource utilization of the network and end user experience on 3G network
•Identification and resolving of pilot polluted areas, mainly identified by DT (3G)

•Swap of Alcatel Lucent 2G/3G sites with Nokia Single RAN WCDMA 16 SBTS 2G/3G/4G
•Design of 4G/3G/2G neighbors (ADJx) for new Nokia anchor ALU networks using ATOLL
•Design the PCI and RSI for the LTE network using ATOLL
•Design of PSC of the new 3G network using ATOLL
•Design and implementation of MBLB Feature
•Preparation and of provisioning the XMLs of the BCF, BTS, WBTS and WCEL for the new sites
•Preparation of commissioning files for new LTE test sites
•Updating the existing network design to overcome the occurring big congestion in the network
•Optimization of existing 2G/3G ALU sites and preparation for the swap process
•KPI analysis of 3G/4G new sites and sites to be swapped
•Features recommendations and implementations
•Auditing the Radio Network Parameters and Features of the new integrated sites in order to ensure they are aligned with the given baseline parameters and features
•WCL & Cluster optimization
•Audit on existing parameters, analysis and recommendations

Conducting a variety of Huawei and Ericsson telecom courses (LTE, WCDMA, FTTX, OSP) to a live audience of operator engineers in different countries (Algeria, China, Lebanon)
The prepared and delivered courses are:
•Delivering Huawei FTTH and OSP training for Algeria Telecom in Algiers/Boufarik; covering the following courses: Optical Fiber Technology, OSP Solution Installation, OSP Solution Maintenance, Fiber Network Maintenance and Troubleshooting, Practical Lab Manual Optical Fiber and Transmission Basis Training, Practical Manual Fiber Network Measurement and Maintenance, OSP Solution Tools and Testing Overview, Fiber Testing, Fiber Losses, OTDR, ODN Overview and Components, GPON Fundamentals ISSUE, MA5800 System Overview, GPON Commissioning, GPON FTTH HSI Service Provisioning, GPON FTTH VoIP Service Provisioning—SIP, VDSL2 Technology In-depth, FTTx Vectoring Features, GPON FTTBC HSI Service Provisioning(MA5800), GPON FTTBC VOIP Service Provisioning (MA5800)-H248, GPON FTTBC VOIP Service Provisioning (MA5800)-SIP, GPON MxU IPTV Service Provisioning, U2000 System Introduction, U2000 User Management, U2000 Topology and NE Management, U2000 Performance Statistics, GPON FTTBC HSI Service Configuration on U2000, GPON FTTBC VOIP(H248) Service Configuration on U2000, GPON FTTBC IPTV Service Configuration on U2000, ODN Operation and Maintenance
•Delivered OSP Fibre Optics training for Benin Telecom in September 2017
•Delivered LTE-Advanced training for MTN Syria in August 2017, covering the following courses: LTE L16 Radio Network Functionality, LTE L16 Advanced Radio Network Features, L16 Radio Network Design, L16 Performance Management and Optimization
•Huawei ERAN 11.1 Certified Trainer Covering the following courses: LTE air interface, idle mode, signaling and protocols, Handover, LTE Power Control, LTE Scheduling Control, LTE Network Design and Dimensioning, LTE Performance Management, LTE Radio Network Tuning and Optimization, LTE Basic Features and Algorithms, LTE, LTE SON Features, LTE Reconfiguration/initial Configuration and troubleshooting, O&M, Commissioning, LTE Field Maintenance)

•Design of the ADJS and ADJI for the new U900 F4 and F5 layers
•Design of the coverage model, PSC and neighbors for more than 1300 sites forU900 and U2100 network using ATOLL
•Preparation of xml files for the new 3G layers
•Drive Test analysis for the new 3G & 4G Sites
•VOLTE, CSFB testing and analysis
•MIMO analysis of the worst cells and performing some trials
•Optimisation for the critical and major KPIs for the U900 and W2100 KPIs (CS/PS NQI, SHO SR, ISHO SR and IFHO SR) as well load balancing for CS and PS Traffic between existing 5 layers
•Study of MBLB Nokia feature on few cells
•Providing some training sessions to Nokia GDC team in India on the usage of Aircom Optima tool (running modules and fetching KPIs…)
•WCL optimisation to meet the required target
•Cluster and city based optimisation to meet the required target
•Handling customer complaints regarding the poor coverage and Throughput in Ankara & East Turkey
•BCCH and PSC clash analysis
•ADJS, ADJI & ADJG Neighbors audit and taking necessary actions
•Reporting of the U900 and W2100 networks on daily basis to Nokia and Avea management
•Hourly KPIs monitoring reporting and actions for the newly integrated U900 sites (6 times per day)
•Parameters tuning to improve the KPIs
•Case studies on some WCL showing clear improvement for some degraded KPIs

•Optimization of 2G & 3G networks (Huawei, Ericsson and ZTE) using P.I.Web & P.I.ANO tools
•3G Timers optimization, features suggestion, Traces (WNCS, GPEH, UEH, RNC)
•Neighbors audit for 2G & 3G and taking necessary actions accordingly
•QoS optimisation on the RAN subsystem and investigation of low throughput occurring on the network level and providing solutions after doing some traces on RNC level.
•Reporting for Ericsson management on the network performance and KPIs on weekly basis
•Daily Monitoring for the Network 2G and 3G KPIs like (HO, Rach &TCH Assignment SR, SDCCH congestion & Drop Rate, TCH Drop Rate, EDGE D:/UL Throughput, TBF Establishment SR, PDCH Allocation Failure, Total TCH traffic, SR RRC& RAB CS Failure %, RRC PS Failure %, RAB PS R99 Failure %, RAB HS Failure %, ….)
•Parameters Tuning for Admission and congestion control
•Handling customer complaints (VIP, normal) according to the SLA
•Drive Test Analysis and taking necessary action to improve 2G and 3G coverage
•Drive Test reporting for some Wilayas on weekly for 2G, 3G and Dual calls using TEMS Discovery

4.1- 3G Radio Network Planning & Optimization (RNPO) Team Leader Consultant with Ericsson for Mobilis_Algeria, starting April 2014 until December 2014
•Acting as the RNPO Manager for a period of time and handling RF tasks.
•Team Leader of 3G Ericsson Team members (group of 4 RF consultants and 5 Customer complaints consultants and 3 E/// Engineers responsible for ECO/ERA and xParameters tools (EDOS))
•Attending weekly operations meetings with the customer CTO, DMR, RAN, CN managers and Team Leaders to discuss the existing network status & probable/planned actions and defining action points
•Preparations of some presentations for the customer C-level people for some new features & changes to me made in the network (2nd carrier deployment, CE expansion, Eid events, RNC expansion, …)
•Attending routine meeting with Ericsson Algeria Core 3 Team (RAN Program manager, Technical BB manager, BO manager, Sales team, SA) to discuss about offering new features, the Ericsson Multi-Carrier solution to the customer and additional sites to the network
•Delivering presentations about Ericcson features & solutions to customers
•Acceptance for newly integrated 3G sites by Ericsson NRO team
• QoS optimisation on the RAN subsystem and investigation of low throughput occurring on the network level and providing solutions after doing some traces on RNC level.
•Reporting for Ericsson management on the network performance and KPIs on weekly basis
•Daily Monitoring for the Network KPIs like (RRC& RAB CS Failure %, RRC PS Failure %, RAB PS R99 Failure %, RAB HS Failure %, Speech DCR, Drop CS %, Drop PS R99 %, Drop HS %, HO SR %, IRAT SR %, Throughput, Pilot Pollution, UL RSSI, RRC/RAB blocking & Congestion investigations) and providing recommendations for Improving 3G network behavior and KPIs for 2RNCS with more than 950 cells.
•Solve customer complaints by Analyzing the Indoor or Outdoor Drive Test By implementing soft changes or Site Hardware changes and assisting the Customer Complaint team (suggestions, parameters changes, …)
•Worst Performing Cells (WPC) KPIs investigations and troubleshooting’s
•RNC capacity planning, load balancing of the traffic
•Cell Throughput Analysis by changing different parameters of channel switching and EUL TTI 2ms activation for some cells in the network
•Optimize different Timers for Irat CellChange and make UEH trace
•Add missing neighbour’s using GPEH and WNCS trace
•Parameters Tuning for Admission and congestion control
•2nd carrier study and providing suggestion of its deployment in the network
4.2- BO support engineer with Ericsson for Mobilis_Algeria, starting December 2014 until March 2015
• Attending weekly operations meetings with the customer RAN, CN, FO and Maintenance managers and Team Leaders to discuss the existing network status & probable/planned actions and defining action points
• Troubleshooting and follow up of the problems occurring in the 3G nodes (RNC3820, EVO controller 8200, RBS 6000 series)
• Software upgrade of the 3G nodes (RNC, RBS) from W12A to W12B and then to W14A
• Working on call shift and investigating outages occurring during non-working hours
•Providing studies for some RNC dimensioning for traffic re-distribution
•Alarm monitoring and investigations
•Change Requests (CRs) implementation on the 3G nodes (RNCs, RBS6000)
•Trouble tickets sent by FO/Optimisation (Netas Turkish Company) using BMC remedy analysis and implementations.
4.3- Initial tuning engineer with Ericsson for Mobilis_Algeria, starting March 2015 until May 2015
•SSV creation for new sites and implementation for their scripts to be on air
•Organizing Single Site and Cluster Drive DT (DT) with the subcontractor teams
• KPIs analysis for the new sites and the clusters before and after the DT
•Parameters tuning and neighbors (Utran/GSM) for the new sites/clusters
•Parameters implementation of the tuned parameters.

Attending weekly operations meetings with the customer RAN manager and Optimization Team Leaders to discuss the existing network status & probable/planned actions and defining action points
•Analysis of 2G and 3G DT logs for all Lebanon roads using Genex Probe & Nemo analyzers
•Assisting the planning team in the design of some Indoor building solutions (2G/3G) for some hotels and building in Lebanon using the IBWave design tool
•Assisting in the IBS design of the following hotels: Radisson Martinez, Lancaster plaza; and the Forum of Beirut Exhibition Hall
•Provide solutions for the drop calls (2G/3G) and network behavior
•Define different Scenarios for the DT to get detailed and more realistic view of network behavior
•KPIs (DCR, HSR, CSSR, PSR, Traffic, congestion) checking before and after the DT using for further investigation about the drop and network status
•Checking network status using M2000 for 3G Huawei sites and NetNumen for 2G ZTE sites
•Training of TEMS Discovery and its usage with DT log files

•Attending weekly operations meetings with the customer RAN and Optimization manager and Team Leaders to discuss the existing network status & probable/planned actions and defining action points
•Team Leader of 2G/3G Aircom Team members (group of 6 engineers)
•4G network performance monitoring and provide technical consultancy to improve the KPIs (coverage, Throughput, …)
•SPoC between Aircom and MTN teams; ensuring that WLA processes are followed completely
•KPIs (DCR, HSR, CSSR, PSR, Traffic, Irat HO) checking before and after the cutover using FACTs web tool
•Design of 2G and 3G network areas for cutover (LAC design, clusters redistribution) using Asset tool
•Cluster optimization and parameter tuning prior to the cutover operation
•Cutover of 2G/3G Ericsson & Huawei Sites to new BSC/RNC nodes using Asset and Datasafe planning tools
•Troubleshooting problem after the cutover (redefine External/internal neighbors, relation on Ericsson and Huawei 2G and 3G nodes)
•Update CGI on Core Network Blade clusters and MSC-S
•Remote support to Mozambique for troubleshooting some problems in Vodacom 3G network

7.1- LTE Optimization Engineer:
•LTE Optimization was taking place on new 4G network (20 sites of Ericsson RBS6000 and 20 sites of NSN LTE Flexi RBS) with testing of LTE features: CSFB, RRM…
•Parameters tuning, neighboring definitions, investigating the reasons for the drop calls, testing of mobility features (CSFB feature, RAT mobility) and mobility parameters …
•LTE Sites acceptance with the customer
•LTE GPEH traces for troubleshooting purposes
•LTE RBS installation follow up and supervision
•Monitor and report the progress towards targets to higher management on weekly and monthly basis
•Participate in weekly meeting with the customer to evaluate the project progress and define action points
7.2- 3G Optimization Engineer:
•The Optimization is taking place on Ericsson 3G equipment’s (EVO Controller, RNC3820 & RBS 6000) and 2G NSN (Flexi BSC, BTS) covering GBA (Greater Beirut) region using W12B SW level
•Daily Monitoring for the Network KPIs like (Speech DCR, CSSR, CS/PS Irat, HOSR, Throughput, Congestion investigations) in the assigned Area to find and recommend solutions for Improving 3G network behavior
•Attending weekly operations meetings with the RAN HoD & Optimization manager & Team Leaders to discuss the existing network status & probable/planned actions & defining action points
•Optimization of new U900 clusters and parameter tuning
•Troubleshoot any degradation in terms of CS/PS DCR, blocking & HS throughput degradation
•Solve customer complaints by Analyzing the Indoor or Outdoor Drive Test By implementing soft changes or Site Hardware changes
•Monitor and report the progress towards targets to higher management on weekly/monthly basis
•Handle customer complaints and new requests in a professional and smart way
•GBA, Non GBA drop call troubleshooting according to mobile type (TAC value) using Aexio tool
•High Value Cells (HVC) KPIs investigations and troubleshooting’s
•Worst performing cells analysis and troubleshooting’s
•RNC capacity planning, load balancing of the traffic
•Cell Throughput Analysis by changing different parameters of channel switching and EUL TTI 2ms activation for some cells in the network
•Optimize different Timers for Irat cellchange and make UEH trace
•Add missing neighbour’s using GPEH and RNO trace
•New and rehomed KPIs monitoring and investigations
•Parameters Tuning for Admission and congestion control
•2nd carrier implementation and site parameters verification as well follow up the KPIs after 2nd carrier deployment
•Activate the HS-IFLS feature, optimize its related parameters as well as idle mode parameters to balance traffic between 3 carriers
•Different types of traces and tools were used in investigations such as: Data Warehouse, ENIQ, OSS, GPEH, UETR, Aexio, RNC signaling/call flow trace)
7.3- Back Office LTE/RNC Expert Engineer:
•Back Office LTE Enode-B O&M activities for E/// RBS6000 and NSN LTE Flexi nodes
•Supervising Ericsson Team in Ericsson EVO Controller 8200 integration
•RNC dimensioning for traffic re-distribution
•Provide consultancy services and methods of stabilize and improve of the 3G network nodes
•Support the 3G radio team in troubleshooting problems KPI affecting in the 3G network
•Daily KPIs extractions for the 3G cells from the 3G Nodes, Eniq & Data Warehouse servers
•Alarm monitoring and investigations
•RFCs to change parameters on the 3G nodes (RNCs, RBS6000) execution
•2nd carrier addition/deletion on 3G sites
•RNCs Health Check and investigations
•Full audit on the 3G network for the external/GSM/Iur Utran Cells & relations
•follow up on daily basis the 20 worst cells in the 3G network
•GPEH/UETR traces and investigations

8.1- LTE Integration and Network performance from Egypt remotely to Ireland for 2 weeks (June 2011)
8.2- STC_KSA 3G Senior 3G Optimization & B.O.WRAN Team Leader (Feb 2012 till March 2012)
8.3- Turkcell_Turkey Senior 3G Optimization & B.O. WRAN Engineer (Jan 2012 till Feb 2012)
8.4- Orange_Jordan Senior 3G Optimization & RAN/RAN Team Leader (July 2011 - Jan 2012)
8.5- Alfa-Mic1_Lebanon, Team Leader WRAN Support Engineer & 3G Optimization Engineer (March 2011 until July 2011)
8.6- Zain_Sudan Senior B.O. WRAN Support Engineer (26 May until 31 May 2011)
8.7- Syriatel_Syria RBS Support and Integration, Senior B.O. WRAN Support Engineer (15 May until 27 May 2011)
8.8- Tigo_Tanzania 3G initial Phase Support and Integration, Experienced B.O. WRAN Support Engineer (Oct 2010 until March 2011)
Batelco_Bahrain RBS 6000 Support & Integration, Experienced B.O. WRAN Support Engineer (Nov 2010 until December 2010)
8.10-AT&T_USA Support, Experienced B.O. WRAN Support Engineer (Nov 2010, 3 weeks)
8.11-MTN_South Africa F.O. Team Leader, Experienced WRAN Support Engineer (March 2009 till Sep 2010) for a team of 34 members (Italians, Lebanese, Irish, Brazilians and Africans)

•Integration of MSC-S, MGW, HLR and M2000 Huawei equipment for Liban-Telecom new network
•Team Leader for Core Network Team (4 engineers)
•Providing technical support for Umniah Operator in Jordan
•Interconnection establishment with PSTN, other operators
•On the job training in Jordan regarding R5 MSoftx3000 and R5 UMG8900
•O & M of the core network equipments

•Installation & Commissioning of New Network Infrastructure (BSC, NodeB, H2 BTS, ODU, IDU …)
•Follow up major network problems on BSC Side and on BTS side
•On the job trainings about MOTOROLA Horizon II Indoor and Outdoor BTS and BSC
•On the job trainings about PCU and relation of Packet Core with BSS
•Commissioning of PDH and SDH MW links
•Integration of 3G Huawei RBS
•O&M activities for the 3G Huawei nodes (RNC and RBS)

•Operation and Maintenance for different equipments ( old Alcatel-Lucent SSP, RCP, HLR, AUC
& then Ericsson MSC-S, MGW, HLR, AUC …) and follow up major network problems
•Implementation & Maintenance of IP-PABX “Panasonic KX-TDA 600” & PABX “Panasonic D500”.
•On the job trainings on job about new Ericsson Axe (GS890) and APG40 I/O system O & M
•On the job training about TSP4 and TSP 5 Operation & Maintenance
•Troubleshooting APG 40 I/O faults and problems by using Ericsson ALAN tool
•OSS activities (Statistics, Alarms monitoring) using Ericsson alarm Matrix, general Operation and Maintenance activities and reporting on Network performance using the Winfiol Tool and BO

•Manage and maintain company servers (File, Web, Exchange, Print, Terminal, DC, Active directory, DNS and DHCP servers…), switches and routers
•Manage a variety of computer equipment including computer terminals, printers, modems, personal computers and data communication equipments

2-International Switching: "Ogero, Lebanon" Starting July 11, till Sept 5, 2005
• PSTN structure, Ericsson switching platform, traffic measurement and analysis, trunk optimization, charging plan, billing system, studying the SS7 signaling links and the routing plan, control of the international switch

Summer Trainings:
1-VAS unit: "mtc touch, Lebanon" Starting July 4, till Sept 28, 2005
• Global Overview of GSM and GPRS network and different value added services platforms, operation and maintenance procedures and backups on SMSC, UMS, MMSC, OTA, WAP G/W and portal, principle of transmission and site survey, drive tests using GPS and TEMS software