CAREER EPISODE 1
BTS Swap from Alcatel Base Transmitter Station (BTS) to NOKIA Multi-Radio BTS
1. Introduction
[CE 1.1]
- Title: BTS Swap from Alcatel Base Transmitter Station (BTS) to NOKIA Multi-Radio BTS
- Duration: [Date] – [Date]
- Location: Nairobi, Kenya
- Organization: Nokia Solutions and Networks
- Position: Field Engineer
2. Background
[CE 1.2]
Kenya experienced rapid growth in demand for data services, fuelled by the proliferation of smartphones; this triggered the UMTS 900 MHz spectrum upgrade, which aimed to enhance indoor coverage and improve the quality of data services for customers across available networks. This prompted Airtel Kenya to upgrade its network sites in major towns across the country, in partnership with Nokia Networks.
[CE 1.3]
The work was done to swap BTSs from an Alcatel Base Transmitter Station (NS) to a Nokia Multi-Radio BTS. I was part of the project as the Company’s Field Technician in the South Rift, North Rift and Central regions of Kenya. My overall responsibility was to check installation quality and to ensure end-to-end transmission routing.
I was also tasked with commissioning and integrating the Nokia Multi-Radio BTS after guaranteeing quality of service, and with decommissioning the Alcatel BTS. The installation of Multi Radio System Modules (ESMB/C) and RF Modules. This included assembling the right tools, e.g. 25 25-nanometer torque screw drivers, multi-meters, and properly mounting and grounding the modules.
[CE 1.4]
Responsibilities:
- I worked on transmitter availability checks with the time slot allocation plans, confirming the status of the process.
- I checked transmitter availability and allocated time slots, then confirmed jumper connections, commissioning, connections, and transmission settings.
- I implemented SUMA utilisation, which provided BTS control and central management, and did so in accordance with support for digital transmission.
- I analyzed the clock and timing generation, resulting in the BTS internal digital interface.
CAREER EPISODE 2
Microwave Link Installation and Commissioning
1. Introduction
[CE 2.1]
- Project: Microwave Link Installation and Commissioning
- Duration: [Date] – [Date]
- Location: Nairobi, Kenya
- Organization: Nokia Solutions and Networks
- Position: Field Engineer
2. Background
[CE 2.2]
Microwave links are line-of-sight wireless communication equipment that use high-frequency radio waves. This technology provides high-speed wireless connections for sending and receiving video, voice, and data information. Microwave links are popular for point-to-point communications because their short wavelength allows conveniently sized antennas to direct them in narrow beams, which can be aimed at the receiving antenna in a direct line of sight, enabling nearby microwave equipment to use similar frequencies without interfering with each other.
Lower-frequency radio waves are very prone to such interference. Additionally, the high frequency of this technology allows the microwave band a comparatively large information-carrying capacity; it has a bandwidth 30 times that of other radio spectrums below it.
[CE 2.3]
The work aim was specifically to carry out the installation and commissioning of microwave links, which was done with constant expertise in the telecommunications engineering domain. All the related work objectives were accomplished with the telecommunication engineers, following a thorough discussion with the project manager.
[CE 2.4]
Work Responsibilities:
- I worked on checking the lightning protection for the antenna system.
- I applied the appropriate positioning of the cable ladder, and it accessed to cabinets proper side for the coaxial feeder.
- I ensured the antenna sealing was fitted properly and polarisation was applied accordingly using my telecommunication engineering skills.
- I provided partial and full site decommissioning services, working alongside proactive maintenance activities.
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CAREER EPISODE 3
Troubleshooting Restoration of Major Node
1. Introduction
[CE 3.1]
- Title: Troubleshooting Restoration of Major Node
- Duration: [Date] – [Date]
- Location: Nairobi, Kenya
- Position: Field Engineer
2. Background
[CE 3.2]
The consideration is based on a mixed-integer programming model that accounts for restoration requirements analysis, along with other hardware constraints. It works in abstracting from the specific failure and restoration protocol situation.
This assisted in providing new structural insight into the network restoration issue and showing the mathematic viewpoint. Link Restoration, Reservation, and Path Restoration are the most common restoration techniques.
[CE 3.3]
The work aimed to implement a branch-and-cut framework to troubleshoot and restore the operation of a major node. I evaluated the algorithmic process, including pricing problems, using computational complexity analysis.
I abstracted from the specific restoration protocol, which turned out to be adequate from the computational viewpoint. Also, I conducted an investigation that indicated global and local restoration rather than path, link, reservation, or mixture restoration.
[CE 3.4]
Project Duties:
- I applied telecommunication engineering skills to real-world network testing, and the algorithmic process was used for computational complexity analysis, primarily related to the restoration technique.
- I computed work results primarily based on the optimal small-network-cost execution and analysed single-edge failures.
- I utilised a path-restoration technique, rerouting the NOS flow primarily from the source to the target.
- I made a link restoration technique implementation in which the scheme was executed for local rerouting, and it was specified as span restoration. Examine complimentary samples from AustraliaCDRHelp.Com.
