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Toplam kayıt 13, listelenen: 1-10
Modified MU-STBC with round transmission for improving the date rate and reliability of future 6G and beyond wireless networks
(2023)
In this study, we present a novel multi-user scheme in which space-time block coding (STBC) is exploited for transmitting data in two rounds in a multiple-input multiple-output (MIMO) fashion while orthogonal frequency ...
Modulation options for OFDM-based waveforms: classification, comparison, and future directions
(IEEE, 2019)
This paper provides a comparative study on the performance of different modulation options
for orthogonal frequency division multiplexing (OFDM) in terms of their spectral efficiency, reliability,
peak-to-average power ...
The generalization of orthogonal frequency division multiplexing with subcarrier power modulation to quadrature signal constellations
(RS Open Journal on Innovative Communication Technologies, 2020)
A novel modulation technique termed as orthogonal frequency division multiplexing with subcarrier power modulation (OFDM-SPM) has been proposed for achieving spectral-efficient data transmission in wireless communication ...
OFDM-subcarrier power modulation with two dimensional signal constellations
(2019 Innovations in Intelligent Systems and Applications Conference (ASYU), 2019)
An original modulation technique has been recently proposed for wireless communication systems known as OFDM- SPM (OFDM with Subcarrier Power Modulation). This technique utilizes a characteristic of the subcarriers of the ...
Orthogonal frequency division multiplexing with subcarrier gap modulation
(IEEE 31st PIMRC'20 - Workshop on Waveform Design for Beyond 5G Communications, 2020)
A new modulation scheme called orthogonal frequency division multiplexing with subcarrier gap modulation (OFDM-SGM) is proposed. The proposed scheme embeds extra information bits by exploiting the gap between the active ...
New physical layer key generation dimensions: subcarrier indices/positions-based key generation
(IEEE Communications Letters, 2021)
In this letter, novel algorithms for secret key generation from the wireless channel in multi-carrier systems are proposed for ensuring the confidentiality and authentication in wireless communication systems. The novelty ...
OFDM with hybrid number and Index modulation
(IEEE Access, 2020)
A novel transmission scheme is introduced for efficient data transmission by conveying additional information bits through jointly changing the index and number of active subcarriers within each orthogonal frequency division ...
CP-less OFDM with alignment signals for enhancing spectral efficiency, reducing latency, and improving PHY security of 5G services
(IEEE Access, 2018)
Although orthogonal frequency-division multiplexing (OFDM) is a widely accepted waveform
in many standards and is expected to keep its dominance in future 5G systems with various types of
parameterized waveforms, its ...
Classifications and applications of physical layer security techniques for confidentiality: a comprehensive survey
(IEEE, 2019)
Physical layer security (PLS) has emerged as a new
concept and powerful alternative that can complement and may
even replace encryption-based approaches, which entail many
hurdles and practical problems for future ...
A novel interference signal superposition algorithm for providing secrecy to subcarrier number modulation-based orthogonal frequency division multiplexing systems
(Transactions on Emerging Telecommunications Technologies, 2022)
Orthogonal Frequency Division Multiplexing with Subcarrier Number Modulation (OFDM-SNM) is a transmission scheme that aims to convey additional data bits by exploiting the number of active subcarriers. Even though OFDM-SNM ...
