HAPS for Maritime Communications: Performance Comparison of Relaying Techniques Deniz ?Iletişimi için Yüksek ?Irtifa Platform ?Istasyonlari: Röleleme Tekniklerinin Başarim Karşilaştirmasi
34th Signal Processing and Communications Applications Conference, SIU 2026, İstanbul, Türkiye, 7 - 10 Temmuz 2026, (Tam Metin Bildiri)
- Yayın Türü: Bildiri / Tam Metin Bildiri
- Doi Numarası: 10.1109/siu71813.2026.11636737
- Basıldığı Şehir: İstanbul
- Basıldığı Ülke: Türkiye
- Anahtar Kelimeler: DF, HAPS, maritime communications, non-Terrestrial communications, RIS
- Ankara Yıldırım Beyazıt Üniversitesi Adresli: Evet
Özet
Cellular communication systems in maritime environments face challenging conditions due to the considerably long signal transmission distances in open sea scenarios and the shadowing effects encountered in regions with dense infrastructure and structural elements such as ports. Next-generation communication technologies, such as sixth-generation (6G) systems, aim to address these challenging connectivity conditions in maritime environments. In this context, high-altitude platform stations (HAPS), considered within the scope of non-terrestrial networks (NTN), have the payload capacity to host relay systems for maritime communications. In this study, the performances of relay approaches deployed on HAPS, namely decode-and-forward (DF) and reconfigurable intelligent surface (RIS) relaying, are compared under challenging maritime communication conditions including shadowing and long path loss effects. The obtained results provide important insights into the performance of DF and RIS relay systems and reveal that the use of relays in maritime cellular communication mechanisms provides approximately 8% performance improvement.