RF Designer

n experienced RF Designer is needed to contribute to the design, dimensioning, link budget analysis, hardware dimensioning, and application of propagation models in wireless communication networks (2G/4G/5G). The successful candidate will ensure network performance, coverage, and quality while providing technical leadership and interfacing with customers to ensure the fulfillment of network design requirements.

Responsibilities

Experience

• Experience with STC processes and tools.

RF Network Design (2G/4G/5G)

• Plan and design wireless networks across different technologies (2G/4G/5G), focusing on coverage, capacity, and quality of service.
• Evaluate network performance through KPIs and metrics and propose design modifications to meet evolving service demands.
• Prepare detailed RF designs, including coverage maps, frequency plans, and sector configurations.
• Collaborate with cross-functional teams (e.g., planning, optimization, and operations) to ensure smooth integration of network designs.
• Perform parameter tuning to achieve optimal network performance based on coverage, capacity, and user experience.

RF Network Dimensioning

• Conduct network dimensioning to estimate the required network capacity, considering traffic forecasts, subscriber growth, and data demand.
• Analyze and calculate the number of cells, sites, and sectors needed for network expansion and ensure effective resource allocation.
• Use dimensioning tools to forecast radio resources (e.g., channels, bandwidth, antennas) necessary to support user traffic.
• Identify potential bottlenecks in network capacity and propose solutions for scaling.

Link Budget Analysis

• Perform detailed link budget calculations to balance network coverage, capacity, and quality.
• Ensure that network designs meet specific signal level thresholds, taking into account factors such as transmission power, antenna gains, path loss, and noise margins.
• Consider various deployment environments (urban, suburban, rural) and propagation effects (e.g., fading and shadowing) when performing link budgets.
• Continuously optimize link budgets based on real-world performance data and drive test results.

Propagation Models and Radio Wave Propagation Theory

• Apply propagation models such as Hata, COST-231, Okumura, or custom models tailored to the deployment environment.
• Simulate and analyze signal propagation in urban, rural, and indoor environments.
• Account for factors such as building obstructions, terrain, and weather conditions when modeling radio wave behavior.
• Use propagation models to optimize site locations, antenna heights, and azimuths to achieve maximum coverage and minimal interference.

RF Design Tools Proficiency

• Utilize industry-standard RF design tools such as Atoll, Planet, Mentum, or similar software for network simulation and analysis.
• Develop, update, and maintain RF models and network databases within design tools.
• Use tool features such as coverage prediction, traffic analysis, and interference checking to refine network designs.
• Generate detailed reports and documentation of RF design deliverables for internal use and customer presentations.

Collaboration and Cross-Team Communication

• Work closely with RAN engineering, field operations, and network planning teams to ensure designs are implemented effectively.
• Provide technical support and guidance to junior engineers and field teams during network rollout and troubleshooting phases.
• Actively participate in cross-functional discussions and contribute to overall network performance improvement.

Technology and Industry Knowledge

• Stay updated on the latest wireless communication technologies and industry standards, including emerging 5G advancements, network slicing, and IoT use cases.
• Apply knowledge of LTE, WCDMA, GSM, and 5G NR technologies to network design and optimization.
• Understand regulatory requirements and spectrum allocation rules in different markets.

Hardware Dimensioning Based on RF Requirements

• Analyze hardware requirements based on RF design, including the selection and specification of hardware components such as antennas, amplifiers, and transmission equipment.
• Ensure proper dimensioning of base station hardware, including transceivers (TRXs), remote radio units (RRUs), and power supplies, to meet RF design parameters.
• Collaborate with procurement and deployment teams to ensure the correct hardware is procured and installed to support network design specifications.
• Conduct audits and evaluations to ensure hardware deployment aligns with RF design requirements and recommend upgrades or adjustments when necessary.

Leadership and Team Collaboration

• Provide technical leadership and mentoring to junior engineers in RF design principles, network optimization, and drive test analysis.
• Lead design review meetings and collaborate closely with implementation, field operations, and maintenance teams.
• Manage multiple RF design projects, ensuring timely completion and adherence to customer and project requirements.

Customer Interface Skills

• Interface with customers to gather network requirements, address design concerns, and provide technical explanations regarding RF design and optimization.
• Collaborate with customer representatives to ensure network designs meet or exceed expectations in terms of performance, coverage, and quality.
• Present technical solutions and reports to customers, addressing questions and ensuring alignment with business goals.
• Act as a liaison between customers and internal teams to communicate network performance feedback and propose improvement actions.

Requirements

Educational Background

• Bachelor’s degree in Electronics, Telecommunications Engineering, or a related field.
• Master’s degree is an advantage.

Work Experience

• Minimum 5 years of experience in RF design and optimization for mobile networks (2G/4G/5G).
• Proven experience in dimensioning, link budget analysis, hardware dimensioning, and propagation models.
• Experience with network optimization and drive test analysis tools.

Technical Skills

• Proficiency in RF design tools such as Atoll, Planet, Mentum, or equivalent.
• Experience in link budget calculations and propagation models such as Hata, COST-231, and Okumura.
• Proven experience in RF network hardware dimensioning, including base station components (antennas, amplifiers, TRXs, and RRUs).
• Familiarity with RAN technologies (GSM, LTE, and 5G).

Leadership Skills

• Demonstrated ability to lead and mentor junior engineers in RF design, troubleshooting, and optimization activities.
• Strong project management skills with the ability to manage multiple RF design projects simultaneously while meeting quality standards and deadlines.

Customer Interface Skills

• Strong communication and presentation skills with the ability to explain technical concepts and present design proposals to customers.
• Ability to understand customer requirements and align RF designs with business and performance objectives.

Analytical and Problem-Solving Abilities

• Strong analytical skills to interpret data, troubleshoot network issues, and make data-driven decisions.
• Ability to conduct root cause analysis and recommend corrective actions.

Soft Skills

• Excellent verbal and written communication skills.
• Strong teamwork and collaboration abilities.
• Ability to manage multiple projects and meet deadlines.