51 citations · 221 across the 27 of their papers we have counts for
28 papers
A Multi-layer Non-Terrestrial Networks Architecture for 6G and Beyond under Realistic Conditions and with Practical Limitations
Faical Khennoufa, Khelil Abdellatif, Halim Yanikomeroglu +4
In order to bolster the next generation of wireless networks, there has been a great deal of interest in non-terrestrial networks (NTN), including satellites, high altitude platfor…
Enhancing Resiliency of Integrated Space-Air-Ground-Sea Networks with Renewable Energies: A Use Case After the 2023 Türkiye Earthquake
Bilal Karaman, Ilhan Basturk, Sezai Taskin +3
Natural disasters can have catastrophic consequences, a poignant example is the series of and magnitude earthquakes that devastated Türkiye on February 6, 2023. To limi…
Error Performance Analysis of UAV-Mounted RIS for NOMA Systems with Practical Constraints
Faical Khennoufa, Khelil Abdellatif, Ferdi Kara +4
Uncrewed aerial vehicles (UAVs) have attracted recent attention for sixth-generation (6G) networks due to their low cost and flexible deployment. In order to maximize the ever-incr…
Multi-Layer Network Formation through HAPS Base Station and Transmissive RIS-Equipped UAV
Faical Khennoufa, Khelil Abdellatif, Halim Yanikomeroglu +4
In order to bolster future wireless networks, there has been a great deal of interest in non-terrestrial networks, especially aerial platforms including high-altitude platform stat…
Bit-Interleaved Multiple Access: Improved Fairness, Reliability, and Latency for Massive IoT Networks
Ferdi Kara, Hakan Kaya, Halim Yanikomeroglu +2
In this paper, we propose bit-interleaved multiple access (BIMA) to enable Internet-of-Things (IoT) networks where a massive connection is required with limited resource blocks. Fi…
Sustaining Dynamic Traffic in Dense Urban Areas with High Altitude Platform Stations (HAPS)
Cihan Emre Kement, Ferdi Kara, Wael Jaafar +4
The impact of information and communication technologies on global energy consumption is increasing every year, and mobile networks account for a significant portion of it. More th…
Error Analysis of Cooperative NOMA with Practical Constraints: Hardware-Impairment, Imperfect SIC and CSI
Beddiaf Safia, Khelil Abdellatif, Faical Khennoufa +5
Non-orthogonal multiple access (NOMA) has been a strong candidate to support massive connectivity in future wireless networks. In this regard, its implementation into cooperative r…
A Hybrid Energy Harvesting Protocol for Cooperative NOMA: Error Performance Approach
Faical Khennoufa, Khelil Abdellatif, Ferdi Kara +4
Cooperative non-orthogonal multiple access (CNOMA) has recently been adapted with energy harvesting (EH) to increase energy efficiency and extend the lifetime of energy-constrained…
Power-Time Channel Diversity (PTCD): A Novel Resource-Efficient Diversity Technique for 6G and Beyond
Ferdi Kara, Hakan Kaya, Halim Yanikomeroglu
Diversity techniques have been applied for decades to overcome the effects of fading, which is one of the most challenging problems in wireless communications due to the randomness…
Error Performance Analysis of Multi-user Detection in Uplink-NOMA with Adaptive -QAM
Hichem Semira, Ferdi Kara, Hakan Kaya +1
This work provides a generalized performance analysis for the multi-user uplink-NOMA system with adaptive square quadrature amplitude modulation (QAM) over Rayleigh fading channels…
A Lightweight Machine Learning Assisted Power Optimization for Minimum Error in NOMA-CRS over Nakagami- channels
Ferdi Kara, Hakan Kaya, Halim Yanikomeroglu
Non-orthogonal multiple access based cooperative relaying system (NOMA-CRS) has been proposed to alleviate the decay in spectral efficiency of the conventional CRS. However, existi…
Multi-user Joint Maximum-Likelihood Detection in Uplink NOMA-IoT Networks: Removing the Error Floor
Hichem Semira, Ferdi Kara, Hakan Kaya +1
The Internet of Things (IoT) framework requires a massive number of connection thus demanding spectral efficient solutions such as Non-Orthogonal Multiple Access (NOMA). However, t…
Error Performance of Uplink SIMO-NOMA with Joint Maximum-Likelihood and Adaptive M-PSK
Hichem Semira, Ferdi Kara
This paper studies the performance of the uplink Non-Orthogonal Multiple Access (NOMA) with Joint Maximum-Likelihood Detector (JML). We present a generalized upper bound of bit-err…
DeepMuD: Multi-user Detection for Uplink Grant-Free NOMA IoT Networks via Deep Learning
Ahmet Emir, Ferdi Kara, Hakan Kaya +1
In this letter, we propose a deep learning-aided multi-user detection (DeepMuD) in uplink non-orthogonal multiple access (NOMA) to empower the massive machine-type communication wh…
On the Outage Performance of SWIPT-NOMA-CRS with imperfect SIC and CSI
Ferdi Kara
In this paper, a non-orthogonal multiple access based cooperative relaying system (NOMA-CRS) is considered to increase spectral efficiency. Besides, the simultaneous wireless infor…
Wireless Powered Cooperative Relaying Systems with Non-orthogonal Multiple Access
Ferdi Kara
Non-orthogonal multiple access (NOMA) and the cooperative relaying systems are two of the promising techniques to meet requirements of future wireless networks such as high spectra…
Improved Error Performance in NOMA-based Diamond Relaying
Ferdi Kara, Hakan Kaya
Non-orthogonal multiple access (NOMA)-based cooperative relaying systems (CRS) has emerged as a solution to the spectral inefficiency problem of the conventional cooperative relayi…
Pilot Interval Reduction by Deep Learning Based Detectors in Uplink NOMA
Ahmet Emir, Ferdi Kara, Hakan Kaya
Non-Orthogonal Multiple Access (NOMA) has higher spectral efficiency than orthogonal multiple access (OMA) techniques. In uplink communication systems that the channel is not known…
Error Analysis of Decode-Forward Cooperative Relaying NOMA Schemes over Nakagami-m Fading Channels
Ferdi Kara, Hakan Kaya
Non-orthogonal multiple access (NOMA) has attracted great recent attention due to its high spectral efficiency. Besides, NOMA can be easily implemented in physical layer, thus its…
Error Probability Analysis of Non-Orthogonal Multiple Access with Channel Estimation Errors
Ferdi Kara, Hakan Kaya
Non-orthogonal multiple access (NOMA) is very promising for future wireless systems thanks to its spectral efficiency. In NOMA schemes, the effect of imperfect successive interfere…
Improved User Fairness in Decode-Forward Relaying Non-orthogonal Multiple Access Schemes with Imperfect SIC
Ferdi Kara, Hakan Kaya
Non-orthogonal multiple access (NOMA) is one of the key technologies to serve in ultra-dense networks with massive connections which is crucial for Internet of Things (IoT) applica…
Error Probability Analysis of NOMA-based Diamond Relaying Network
Ferdi Kara, Hakan Kaya
Non-orthogonal multiple access (NOMA)-based cooperative relaying systems (CRS) are very promising to overcome spectral inefficiency of conventional cooperative communications. Alth…
Performance Analysis of SSK-NOMA
Ferdi Kara, Hakan Kaya
In this paper, we consider the combination between two promising techniques: space-shift keying (SSK) and non-orthogonal multiple access (NOMA) for future radio access networks. We…
Threshold-based Selective Cooperative-NOMA
Ferdi Kara, Hakan Kaya
In this letter, we propose threshold-based selective cooperative-NOMA (TBS-C-NOMA) to increase the data reliability of conventional cooperative-NOMA (C-NOMA) networks. In TBS-C-NOM…