On the leakage-rate performance of untrusted relay-aided NOMA under co-channel interference

Volkan Ozduran () and Nikolaos Nomikos ()
Additional contact information
Volkan Ozduran: Istanbul University-Cerrahpasa
Nikolaos Nomikos: National and Kapodistrian University of Athens

Telecommunication Systems: Modelling, Analysis, Design and Management, 2024, vol. 85, issue 1, No 5, 67-86

Abstract: Abstract This study seeks an answer for the impact of the co-channel interference on the leakage rate of illegitimate relay-assisted power-domain non-orthogonal multiple access (NOMA) networks. The power-domain NOMA-based uni-/bi-directional information exchange through an illegitimate half-/full-duplex relay is adopted in the system model. Moreover, a limited number of co-channel interferers and friendly jammers are affected by the illegitimate relay in the network. Extensive computer simulations, analytical, and asymptotic results reveal that as the illegitimate relay is affected by a limited number of friendly jammers and co-channel interferers, its achievable rate cannot be enhanced and saturates at high signal-to-noise ratio. Results also show that the co-channel interference causes system coding gain losses on the users’ outage performance. In addition, the illegitimate relay remains active between $$-\,10$$ - 10 and 25 dB for uni-/bi-directional information exchange. After 25 dB, the illegitimate relay saturates and experiences outages. Additionally, the order of decoding also impacts the illegitimate relay’s performance.

Keywords: Leakage rate; Untrusted relay; Non-orthogonal multiple access (search for similar items in EconPapers)
Date: 2024
References: View complete reference list from CitEc
Citations:

Downloads: (external link)
http://link.springer.com/10.1007/s11235-023-01071-9 Abstract (text/html)
Access to the full text of the articles in this series is restricted.

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:spr:telsys:v:85:y:2024:i:1:d:10.1007_s11235-023-01071-9

Ordering information: This journal article can be ordered from
http://www.springer.com/journal/11235

DOI: 10.1007/s11235-023-01071-9

Access Statistics for this article

Telecommunication Systems: Modelling, Analysis, Design and Management is currently edited by Muhammad Khan

More articles in Telecommunication Systems: Modelling, Analysis, Design and Management from Springer
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().