Results 21 to 30 of about 236,046 (296)
The Long-Range Biomimetic Covert Communication Method Mimicking Large Whale
Sensors, 2022 Short-range biomimetic covert communications have been developed using dolphin whistles for underwater acoustic covert communications. Due to a channel characteristics difference by range, the conventional short-range methods cannot be directly applied ...
Jongmin Ahn, Deawon Do, Wanjin Kim
doaj +1 more source
HARQ Assisted Short-Packet Communications for Cooperative Networks Over Nakagami-m Fading Channels
IEEE Access, 2020 Considering the coverage and short-packet communication requirements, this paper proposes a hybrid automatic repeat request (HARQ) assisted short-packet communications for cooperative Internet of Things (IoT) networks, where the signals are transmitted ...
Yucui Yang, Yi Song, Fenglian Cao
doaj +1 more source
Reliable and Secure Short-Packet Communications in Untrusted Diamond Relay Networks
IEEE Access, 2023 This paper investigates short-packet communications over a diamond relay network with two untrusted relays (potential eavesdroppers) with the purpose of guaranteeing reliability and security simultaneously.
Shen Qian
doaj +1 more source
Non-binary protograph low-density parity-check codes for space communications
, 2012 Protograph-based non-binary low-density parity-check (LDPC) codes with ultra-sparse parity-check matrices are compared with binary LDPC and turbo codes (TCs) from space communication standards.
Paolini, Enrico +7 more
core +1 more source
Opportunities and challenges for visible light communications in 6G [PDF]
, 2020 This paper discusses the opportunities for visible light communications (VLC) in the future 6G. VLC is a highly attractive optical communication approach for short-range communications, which complements radio.
Marcos Katz +5 more
core +1 more source
Low Incidence of Relapses After Vaccination in Anti‐Aquaporin‐4 Antibody‐Positive NMOSD
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Patients with neuromyelitis optica spectrum disorder (NMOSD) may experience increased signs and symptoms of their underlying disease when vaccinated against meningococcal disease before receiving complement component 5 inhibitor therapies. This retrospective analysis indicated an overall low relapse incidence (mean [range], 3.3% [0.7%–10.6 ...
Sean J. Pittock +4 more
wiley +1 more source
Advanced Functional Materials, EarlyView.A reconfigurable RRAM platform utilizing thermally pre‐formed filaments (TPFs) is developed to realize robust hardware security. By exploiting the thermodynamic stochasticity of TPFs, exceptionally reliable physically unclonable functions (PUFs) are achieved.
Seongbin Kwon +4 more
wiley +1 more source
Simple Prediction-Based Power Control for the On-Body Area Communications Channel [PDF]
, 2016 Methods for transmit power control based on simple long-term channel prediction for the general body-area communications channel are presented. The power control methods are based on large sets of empirical every-day activity data.
Miniutti, Dino +3 more
core +1 more source
Optical Camera Communications: Principles, Modulations, Potential and Challenges [PDF]
, 2020 Optical wireless communications (OWC) are emerging as cost-effective and practical solutions to the congested radio frequency-based wireless technologies. As part of OWC, optical camera communications (OCC) have become very attractive, considering recent
Ghassemlooy, Zabih +8 more
core +1 more source
Advanced Materials, EarlyView.AI‐Assisted Workflow for (Scanning) Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling. Abstract (Scanning) transmission electron microscopy ((S)TEM) has significantly advanced materials science but faces challenges in correlating precise atomic structure information with the functional properties of ...
Marc Botifoll +19 more
wiley +1 more source