Non-Terrestrial Networks

NTN

Overview

Non-terrestrial networks are an emerging area of telecommunications focusing on the integration of satellite and aerial communication systems into terrestrial networks. Our work in this field aims to improve connectivity and efficiency, particularly focusing on novel handover techniques and random access.

Our Focus Areas

Multi-User Communication Systems: Developing methods to optimize relay scheduling and guarantee peak performance in multi-user environments.

Network Stability in High Altitude Platforms: Innovating techniques to reduce handovers and enhance network stability in high-altitude platform networks.

Handover Optimization: Designing methods for dynamically adjusting handover thresholds to maintain seamless connectivity.

Group Handover Methods: Creating strategies for efficient group handovers in dynamic environments. 

Orbit Aware Solutions: Implementing orbit-aware solutions to optimize network resources focusing on dynamic resource reservation and access methods for IoT devices in satellite networks.

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Patent Application

Below is a partial list of our patents:

• A. Topbaş, E. T. Ceran, E. Uysal, A. Arsal, “Multi-User Relay Scheduling with Peak Age Guarantee,” application 2023, pending.
• S. Çıtır, E. T. Ceran, E. Uysal, A. Arsal, “Method For Reducing Handovers In High Altitude Platform Networks Using Dynamically Adjustable Buffer Zones,” application 2023, pending.
• T.Aydın, S. Çıtır, E. T. Ceran, E. Uysal, A. Arsal, “A Method For Dynamically Adjusting Handover Thresholds,” application 2023, pending.
• T.Aydın, E. T. Ceran, E. Uysal, A. Arsal, “A Delay Difference Based Group Handover Method in Non-Terrestrial Networks,” application 2023, pending.
• S. Çıtır, E. T. Ceran, E. Uysal, A. Arsal, “Handover Method Using High Altitude Platforms in Non-Terrestrial Networks and a System,” application 2023, pending.
• S. Çıtır, E. T. Ceran, E. Uysal, A. Arsal, “SMALL DATA TRANSMITTING METHOD IN A NON-TERRESTRIAL NETWORK,” application 2023, pending.
• S. Çıtır, E. T. Ceran, E. Uysal, A. Arsal, “Priority-Driven Dynamic Resource Reservation for Random Access in LEO Satellite IoT Networks,” application 2023, pending.
• A. Topbaş, E. T. Ceran, E. Uysal, A. Arsal, “Random Access Method for NB-IoT Devices,” application 2023, pending.

SATCOM

HAPS

NTN-IOT

Research Team

Süleyman Çıtır

SATCOM, DTN, HAPS

Tuğrul Aydın

Power Savings, HAPS

Ahsen Topbaş

Random Access

Hasan Efe Akın

Scheduling