Ammar Ezziddin

Transmission Network Design (MW) Engineer;
IntraCom equipments, Pathloss software, Responsibilities:
•Design point to point /Ptp/ systems or point to multi points /Ptmp/ systems, and define system parameters (frequency system band, the suitable earth radius factor /K/…)
• Ensure clearance line of sight LOS (clear Fresnel zone) between WCN (Wireless Central Node) and each terminals, by define the suitable antennas high and tilt in both side (and tower high if isn’t existing)
•Ensures suitable Rx (Receive Signal Strength) to be greater than threshold value, and less than maximum one, and that required define: antennas type, cables type, Tx power, losses (of cables & connectors), attenuators -if needed-, raining effect -related to freq band- diffraction value -if existing-…….
•Choose the suitable frequency from the band list, taking in the consideration the frequency of neighbor effect to avoid //the Interference// which decrease the fade margin value (usage attenuators could be decrease the interference effect), it should take in consideration the result of spectrum analyzer in field if the usage band isn’t pure (it must use it in border area)
•Design Trial Wibas links for SyriaTel Telcom Project

• Radio Planning & Optimization Engineer (TETRA);
SELEX (Vendor) & Axell (Repeaters), ATDI & Nemo Software, Responsibilities:
•Sites design using planning tools, the design depends on:
New area (yearly company cell plan), complains, capacity….Etc, and
And define type of site, main site, repeater, indoor solution...
That after survey to candidates sites in desired area using survey tools (Camera,
Laser meters…)
•Monitoring and analysis radio counters daily, and permanent observation basis on general drive test, to observe the parameters of fallback mode, push to take, groups of terminals, dispatcher….., in addition to tools and software
Some of the main area to serve it by TETRA network is Oil & Gas fields

•Drive Test team leader: (2G &3G);
Huawei (Vendor), MTN (Operator) & GENEX Probe & Assistance Software, Responsibilities:
- Site and Cluster (BSC) testing before and after Swap to show the network performance using Genex Probe & Assistance for both 2G & UMTS.
- Analysis the problems (antenna cross, interference, drop calls, bad quality…) and recommended the solutions then repeat the drive test to show the changes.
- Reported the result.

•MobiNetS Technology; from

;
Siemens (BR7, BR8), TEMS software; Responsibilities:
•Sites design using planning tools, the design depends on:
New area (yearly company cell plan), complains, capacity….Etc, and
And define type of site (Macro, micro, indoor or outdoor solution, Repeater….).
That after survey to candidates sites in desired area using survey tools (Camera,
Laser meters…)
•Monitoring and analysis Radio counters daily (Business Object), and permanent observation basis on general drive test, to observe: Idle Mode state, call setup and active mode
•Optimize the network, study any problem, and improve the performance of network.
•With respect to 3G, Creation of 2G & 3G nominal cell plans by observance of separation 2G, 3G antennas as recommended of vendors

•Radio Network Performance; from Augast-2008 to July-2009;
Siemens (BR7, BR8) and Ericsson (P5, P6); Responsibilities:
•Observation the network performance daily, and after updates or swap, basis on radio counters //heath index…// for each BSC, by define (Drop rate on SDCCH or on TCH, Congestion, Handover Distribution…), and prepare alert report.
•Analysis result of benchmarking report
•Develop radio KPIs
•Permanent Search and search to apply new features in GSM and GPRS (EDGE), to develop our network.