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Toplam kayıt 262, listelenen: 231-240
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, ...
CSI-Based NOMA for integrated sensing and communication
(IEEE-Institute of Electrical and Electronics Engineers Inc., 2023)
Integrated sensing and communication (ISAC) is a key enabler of beyond fifth-generation networks and a multitude of futuristic applications. However, the coexistence, scheduling and spectrum scarcity issues due to additional ...
Low complex inter-doppler interference mitigation for OTFS systems via global receiver windowing
(Institute of Electrical and Electronics Engineers Inc., 2023)
Orthogonal time frequency space (OTFS) waveform has been considered as a potential candidate for affording a wide range of emerging communications and sensing applications in beyond 5G wireless technologies. OTFS takes ...
Resource allocation optimization in multiuser OFDM relay-assisted underwater acoustic sensor networks
(Elsevier Inc., 2023)
Resource allocation optimization (RAO) is a crucial design issue for providing green communications in the sixth generation (6G) of underwater acoustic (UWA) sensor networks (SNs). To have a suitable convergence speed in ...
Time-frequency warped waveforms for well-contained massive machine type communications
(IEEE-Institute of Electrical and Electronics Engineers Inc., 2023)
This paper proposes a novel time-frequency warped waveform for short symbols, massive machine-type communication (mMTC), and internet of things (IoT) applications. The waveform is composed of asymmetric raised cosine (RC) ...
Composite multiple-mode orthogonal frequency division multiplexing with index modulation
(IEEE-Institute of Electrical and Electronics Engineers Inc., 2023)
In this paper, we propose a composite multiple-mode orthogonal frequency division multiplexing with index modulation (C-MM-OFDM-IM) scheme to increase the spectral efficiency (SE) of OFDM-IM systems by extending the indexing ...
Delay-doppler-based key generation using OTFS
(Institute of Electrical and Electronics Engineers Inc., 2023)
Key generation for secure communication is challenging in high-mobility scenarios due to the low coherence time. This is further exacerbated in frequency-division duplex systems due to the non-reciprocal wireless channel ...
Sparsifying dictionary learning for beamspace channel representation and estimation in millimeter-wave massive MIMO
(Institute of Electrical and Electronics Engineers Inc., 2023)
Millimeter-wave (mmWave) massive multiple-input-multiple-output (mMIMO) is reported as a key enabler in fifth-generation communication and beyond. It is customary to use a lens antenna array to transform a mmWave mMIMO ...
PLS-IoT enhancement against eavesdropping via spatially distributed constellation obfuscation
(Institute of Electrical and Electronics Engineers Inc., 2023)
Wireless communication has become a ubiquitous facet of modern-day life. With the advent of Internet of Things (IoT) and massive machine-type connectivity, the number of devices is expected to increase even more. However, ...
Public safety network design for broadband wireless access
(Frontiers Media SA, 2023)
Public protection and disaster relief (PPDR) agencies rely on wireless communications to respond in the event of emergencies. Public safety networks (PSNs) provide the wireless network used by emergency services. PSN is ...