Directional modulation (DM), as an efficient secure transmission method, offers security through its directive property and is suitability for LoP channels such millimeter wave, UAV, satellite communication, smart transportation. If the direction angle of desired user known, channel gain vector obtainable. Thus, in advance, DM transmitter knows values directional angles eavesdropper, or their DOAs because BVCM andANPM are mainly determined by eavesdropper. For a transceiver, working...

Abstract Idiopathic pulmonary fibrosis (IPF) is a progressive fibrotic disease of unknown pathogenic origin. Endoplasmic reticulum (ER) stress refers to the process by which cells take measures ER function when morphology and are changed. Recent studies have demonstrated that was involved in evolution progression IPF. In this study, we obtained transcriptome data relevant clinical information from Gene Expression Omnibus database conducted bioinformatics analysis. Among 544 stress‐related...

Smartphone has experienced explosive growth recently. At present, Android system is the most popular mobile platform and attracts lots of developers as well malware authors. In order to evade detection, authors often apply obfuscation techniques morph malware. Since traditional detectors are based on pure syntax, they may fail detect obfuscated variants. We present a novel signature, topology graph components, which could model malicious payloads properly resist against common used by...

In directional modulation networks, two practical random-subcarrier-selection methods are proposed to transmit confidential message, and by constructing random subcarrier set performing a randomization procedure, only single receive power peak is formed in the desired user position per orthogonal frequency division multiplexing (OFDM) symbol. This scheme completely addresses crucial problem facing secure precise wireless transmission (SPWT); how achieve SPWT OFDM symbol while traditional...

High hardware cost and high power consumption of massive multiple-input multiple output (MIMO) are two challenges for the future wireless communications including sixth generation (6G). Adopting low-resolution analog-to-digital converter (ADC) is viewed as a promising solution. Additionally, direction arrival (DOA) estimation an indispensable technology beam alignment tracking in MIMO systems. Thus, this letter, performance DOA with mixed-ADC structure firstly investigated. The Cramér-Rao...

Rendezvous is a fundamental building block in distributed cognitive-radio networks (CRNs), which pairs or groups of users must find jointly available channel. Research on the rendezvous problem has focused so far minimizing time to (to suitable channel) maximizing degree (percentage channels can take place). In this paper, we model more realistic way that acknowledges fact may suffer from interference varies location as well over time. other words, are influenced by heterogeneous...

To achieve a balance between performance and implementation complexity in extended reality (XR)-aided millimeter wave (mmWave) communication, secure hybrid digital analog (HDA) beamforming with mixed digital-to-analog converters (DACs) is established by partially replacing costly full-resolution DACs some cheap low-resolution DACs. We focus on HDA for such system. Furthermore, XR technology aided to improve the operating efficiency this complex scenario. First, closed-form approximation of...

Cognitive radio networks (CRNs) have been proposed to solve the spectrum scarcity problem. One of their fundamental procedures is construct a communication link on common channel for users, which referred as <i>rendezvous</i> . In reality, capability sense may vary from user user. We study distributed rendezvous heterogeneous sensing capabilities in this paper. The licensed divided into <inline-formula><tex-math notation="LaTeX">$n$</tex-math></inline-formula> channels, notation="LaTeX">$U =...

Multi-UAV passive localization via received signal strength (RSS) is extremely important for wide applications such as rescue and battlefield combat. However, the energy consumption of UAVs a key issue in this UAVs-enabled application. Usually, communication overhead plays an role consumption. To address problem, we design two distributed methods multi-UAV system with considerable performance under low overhead. Firstly, majorize-minimization (DMM) method proposed. accelerate its...

In this paper, we present the idea of proof sincerity for a new consensus method mobile-user-friendly blockchains. Ever since birth Bitcoin, there have been many distributed methods studied to replace central (or third-party) trusts protect integrity ledgers. Existing show pros and cons but none them showed proper balance between imbalance wealth security sincerity, by allowing each every entity even with smaller computing power get rewarded mining, can effectively prevent extreme (often...

Abstract Regional responses to inhaled toxicants are essential understand the pathogenesis of lung disease under exposure air pollution. We evaluated effect combined allergen sensitization and ozone on eliciting spatial differences in lipid distribution mouse that may contribute ozone-induced exacerbations asthma. Lung lobes from male female BALB/c mice were cryosectioned acquired by high resolution mass spectrometry imaging (MSI). Processed MSI peak annotations validated LC-MS/MS data...

Cadmium is a toxic metal widely found in workplaces and plant soil because of extensive industrialization. Wheat an important source food generated from soil. The different responses wheat against omic levels cadmium have been observed studied worldwide. With the development high-throughput sequencing, micro-level biological research has extended to microRNA level. In this study, high-cadmium-accumulating cultivars (Annong9267) low-cadmium-accumulating (Qian 102032) were used as experimental...

U–Pb ages of 637 new detrital zircons Triassic sandstones from the Northwestern Sichuan Basin (NWSB), together with petrology and paleocurrent data, are used to constrain sediment provenance tectonic–paleogeographic evolution western Yangtze Block. The age data for Lower generally show populations at ∼1,850 Ma, 980–705 680–510 290–230 Ma a minor cluster ∼2.4 Ga. Such spectrum features eastward northeastward direction implied that was dominantly fed by uplifted Khamdian Paleoland. Upper yield...

Directional modulation (DM), as an efficient secure transmission way, offers security through its directive property and is suitable for line-of-propagation (LoP) channels such millimeter wave (mmWave) massive multiple-input multiple-output (MIMO), satellite communication, unmanned aerial vehicle (UAV), smart transportation. If the direction angle of desired received known, channel gain vector obtainable. Thus, in advance, DM transmitter knows values directional angles user eavesdropper, or...

In conventional secure precise wireless transmission (SPWT), fully digital beamforming (FDB) has a high secrecy performance in transmit antenna system, but results huge RF-chain circuit budget for medium-scale and large-scale systems. To reduce the complexity, this letter considers hybrid analog (HDA) structure with random frequency mapped into RF-chains to achieve SPWT. Then, SPWT scheme based on maximizing signal-to-leakage-and-noise ratio (SLNR) artificial-noise-to-leakage-and-noise...

Neighbor discovery is a fundamental step in constructing wireless sensor networks and many algorithms have been proposed aiming to minimize its latency. Recent developments of intelligent devices call for new algorithms, which are subject energy restrictions. In energy-restricted large-scale networks, node has limited power supply can only discover other nodes that within range. Additionally, the process may fail if excessive communications take place channel. These factors make neighbor...

In this paper, we present a new idea of multidimensional and multi-layered hash structure (Hash Vine) that can be used to fast generate the hierarchical codes for structures arbitrary shape/size. The generated by Hash Vine many different purposes such as product/package authentication in supply chain, identity/access right an individual organization, security any big data. very efficiently, yet effectively make it simple smooth organic seed various chains at scale. computational results...

Abstract Background Verrucous epidermal naevi (VEN) are benign skin tumours, considered keratinocytic naevi, that appear at birth or early childhood. VEN may display a range of appearances, depending on patient age. Although the number studies regarding is increasing, exact mechanism still unknown. Objectives The aim this study was to analyse changes in expression protein factors lesions children by TMT labelling‐based quantitative proteomics. Methods A total 8 with (5 for experiment and 3...

In this paper, we propose and experimentally demonstrate HyperSight, which is a precise image decoding algorithm for the mobile-phone camera based visible light communication (VLC) system. The conventional algorithms have to select an appropriate column matrix, then decode according fitting curve. selection of matrix function are not only time-consuming but also error-prone, leading low efficiency high bit error rate (BER). While HyperSight calculates characteristic grayscale avoid uses...

Depressive symptoms have a significant impact on the quality-of-life among oldest old (aged ≥ 80 years) in population. Current research association of blood mercury with depressive has mainly targeted general However, it is unclear whether this present old. We used data from Healthy Aging and Biomarker Cohort Study carried out 2017-2018, 1154 participants aged years eligible for analysis. Inductively coupled plasma mass spectrometry (ICP-MS) was employed to detect (Hg) levels, while CES-D10...