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Toplam kayıt 21, listelenen: 1-10
A comprehensive experimental emulation for OTFS waveform RF-Impairments
(MDPI, 2023)
The orthogonal time-frequency space (OTFS) waveform exceeds the challenges that face orthogonal frequency division multiplexing (OFDM) in a high-mobility environment with high time-frequency dispersive channels. Since radio ...
A survey of symbiotic radio: Methodologies, applications, and future directions
(MDPI, 2023)
The sixth generation (6G) wireless technology aims to achieve global connectivity with environmentally sustainable networks to improve the overall quality of life. The driving force behind these networks is the rapid ...
Beam selection for ambient backscatter communication in beamspace mmWave symbiotic radio
(Institute of Electrical and Electronics Engineers Inc., 2023)
The Internet of Things revolution has profoundly impacted wireless communication systems. Access to high data rates is now just as important as low power operation. The use of incident millimeter-wave (mmWave) signals for ...
Stackelberg game for secure CR-NOMA networks against internal eavesdropper
(IEEE-Institute of Electrical and Electronics Engineers Inc., 2023)
The combination of Cognitive Radio with Nonorthogonal Multiple Access (CR-NOMA) has enormous potential interest to improve spectral efficiency and increase system capacity in future wireless communication networks. Hence, ...
Inter-HAP based geometrical 3-D channel model operating at 28 to 60 GHz for future 6G non-terrestrial networks
(Institute of Electrical and Electronics Engineers Inc., 2023)
This paper presents a geometrical 3-D channel model for stationary inter-high altitude platform (HAP) systems operating at millimeter wave (mmWave) frequency bands for the future 6G non-terrestrial networks (NTNs). The ...
Beamspace MIMO systems with reduced beam selection complexity
(Institute of Electrical and Electronics Engineers Inc., 2023)
Beamspace multiple-input multiple-output (B-MIMO) systems with proper beam selection (BS) promise to lower the radio-frequency (RF) chains overhead with no noticeable degradation in performance. Most of the existing BS ...
Physical layer security for visible light communication in reflected indoor environments with inter-symbol interference
(Institute of Electrical and Electronics Engineers Inc., 2023)
Visible light communication (VLC) is a promising technology for next-generation indoor wireless broadband communication systems. Physical layer security (PLS) is one proposed method to ensure data security for VLC in public ...
Estimating multi-dimensional sparsity level for spectrum sensing
(Institute of Electrical and Electronics Engineers Inc., 2023)
Identifying spectrum opportunities is a crucial element of efficient spectrum utilization for future wireless networks. Spectrum sensing offers a convenient means for revealing such opportunities. Studies showed that usage ...
Phase rotation approach with mixed-numerology architecture for PAPR reduction in 5G and beyond
(Institute of Electrical and Electronics Engineers Inc., 2023)
For a wide range of service requirements, the 5G-NR offers significant flexibility based on OFDM with numerous numerologies. However, OFDM is recognized to have a significant disadvantage due to a high PAPR. On the other ...
A novel cyclic prefix configuration for enhanced reliability and spectral efficiency in OTFS systems
(IEEE-Institute of Electrical and Electronics Engineers Inc., 2023)
In practical transmission, orthogonal time-frequency-space (OTFS) is implemented using different prefix configurations including reduced-cyclic prefix (RCP) and full-CP (FCP). This letter presents a novel OTFS structure, ...