51 citations · 202 across the 20 of their papers we have counts for
21 papers
MRADSIM-Converter: A new software for STEP to GDML conversion
Ali Behcet Alpat, Abdullah Coban, Hakan Kaya +1
Radiation effects analysis of instruments operative in harsh radiation environment is crucial for performance and functionality of electronic devices and components. Engineering de…
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…
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…
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…
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…
Spatial Multiple Access (SMA): Enhancing performances of MIMO-NOMA systems
Ferdi Kara, Hakan Kaya
The error performance of the Non-Orthogonal Multiple Access (NOMA) technique suffers from the inter-user interference (IUI) although it is a promising technique for the future wire…
Effect of the Error Propagation on the Error Performance of Cooperative Communications with the Best Relay Selection Schemes
Ezgi Sanli, Ferdi Kara, Hakan Kaya
In this paper, error performance of the cooperative communication systems with the best relay selection scheme is investigated in the presence of error propagation from role to des…
Derivation of the closed-form BER expressions for DL-NOMA over Nakagami-m fading channels
Ferdi Kara, Hakan Kaya
NOMA is as a strong candidate for the Future Radio Access Network (FRA) due to its potential to support massive connectivity and high spectral efficiency. However, the most importa…
Prediction of the Optimal Threshold Value in DF Relay Selection Schemes Based on Artificial Neural Networks
Ferdi Kara, Hakan Kaya, Okan Erkaymaz +1
In wireless communications, the cooperative communication (CC) technology promises performance gains compared to traditional Single-Input Single Output (SISO) techniques. Therefore…