Ara
Toplam kayıt 132, listelenen: 21-30
Mixed numerology OFDM and interference issues
(Institution of Engineering and Technology, 2020)
The upcoming generations of wireless communications are characterized by a wide variety of applications. This necessitates a provision of flexible radio access technologies (RATs) capable of adapting to changing user (and ...
Index modulation-based flexible waveform design
(Institution of Engineering and Technology, 2020)
The service limitations of conventional orthogonal frequency division multiplexing (OFDM)-based technologies have motivated academia and industry to seek for new solutions in order to support the emerging services and use ...
Non-orthogonal radio access technologies
(Institution of Engineering and Technology, 2020)
The radio resource scarcity of classical orthogonal radio access-based technologies has encouraged academia and industry to search for a way out in order to support the exponential growth of data rate, system capacity, and ...
Physical layer security designs for 5G and beyond
(Institution of Engineering and Technology, 2020)
Physical layer security (PLS) has emerged as a promising and powerful concept for securing future wireless technologies, including fifth generation (5G) and beyond networks, as it has the potential to solve many of the ...
Multi-functional coexistence of radar-sensing and communication waveforms
(IEEE-Institute of Electrical and Electronics Engineers Inc., 2020)
In this study, a novel transmission scheme is proposed to serve radar-sensing and communication objectives at the same time and allocated bandwidth. The proposed transmitted frame non-orthogonally superimposes two different ...
Joint radar and communication based blind signal separation using a new non-linear function for Fast-ICA
(Institute of Electrical and Electronics Engineers Inc., 2021)
Joint radar and communication (JRC) is a fast emerging research field to cope up with the ever-growing applications dependent on both sensing and communication. However, frequent issues are faced for JRC systems including ...
Efficient power allocation for MIMO CR-NOMA networks
(Institute of Electrical and Electronics Engineers Inc., 2021)
Cognitive radio-based non-orthogonal multiple access (CR-NOMA) is considered to be one of the promising multiple accessing technique candidates for 5G and beyond networks. These networks are facing a lot of challenges to ...
Physical effect of in-phase and quadrature imbalance in delay-doppler domain
(Institute of Electrical and Electronics Engineers Inc., 2021)
Orthogonal time frequency space (OTFS) technique is a recent two-dimensional (2-D) modulation aiming to exploit both time and frequency selectivity of doubly dispersive wireless channel, which significantly affects the ...
Efficient spectral access in distributed cooperative cognitive radio networks
(Institute of Electrical and Electronics Engineers Inc., 2021)
The cognitive users (CUs) in the cooperative communication may serve as relay nodes for conveying the signal received from the primary users (PUs) to their destinations, provided that both the PUs and the CUs minimum rate ...
Sparse coding with enhanced atom selection for FDD massive MIMO channel estimation
(Institute of Electrical and Electronics Engineers Inc., 2021)
In sparse coding-based channel estimation, atom selection is based on jointly minimizing the sparsity and the error of the representation of the noisy measurement. However, this selection is not necessarily optimal in terms ...