With recent adoption of wireless sensor-actuator networks (WSANs) in industrial automation, control systems have emerged as a frontier cyber-physical systems. Despite their success monitoring applications, existing WSAN technologies face significant challenges supporting due to lack real-time performance and dynamic conditions plants. This article reviews series advances WSANs for systems: 1) scheduling algorithms analyses WSANs; 2) implementation experimentation protocols; 3) codesign that...

In wireless sensor networks (WSNs), congestion occurs, for example, when nodes are densely distributed, and/or the application produces high flow rate near sink due to convergent nature of upstream traffic. Congestion may cause packet loss, which in turn lowers throughput and wastes energy. Therefore WSNs needs be controlled energy-efficiency, prolong system lifetime, improve fairness, quality service (QoS) terms (or link utilization) loss ratio along with delay. This paper proposes a node...

Three-dimensional (3-D) frequency-selective structures are a recent development that exhibit superior filtering responses compared to conventional two-dimensional (2-D) surfaces. A three-dimensional structure typically comprises periodic array of multimode cavities the modes which and coupling with air can be controlled obtain desired frequency response. Based on their distinct configuration, we seek classify them as separate class high-performance structures, highlight unique features in...

Mobile cloud computing, promising to extend the capabilities of resource-constrained mobile devices, is emerging as a new computing paradigm which has fostered wide range exciting applications. In this paradigm, efficient data transmission between and devices becomes essential. This, however, highly unreliable unpredictable due several uncontrollable factors, particularly instability intermittency wireless connections, fluctuation communication bandwidth, user mobility. Consequently, puts...

A new quasi-elliptic bandpass frequency-selective surface (FSS) is presented by cascading a two-dimensional periodic array of double square loops (DSLs) and an gridded (GSLs). The proposed FSS can be systematically synthesized based on microwave filter theory. control not only the passband characteristics, but also transmission-zero frequencies at both ends passband, thus resulting in high selectivity filtering response. operating principle, detailed synthesis procedure, implementation...

In recent decades, unmanned aerial vehicles (UAVs, also known as drones) equipped with multiple sensors have been widely utilized in various applications. Nevertheless, constrained by limited battery capacities, the hovering time of UAVs is quite limited, prohibiting them from serving a wide area. To cater remote sensing applications, people often employ to transport, launch, and recycle them. The so-called vehicle-drone cooperation (VDC) benefits both far driving distance high mobility...

Smart agriculture is able to optimize the information resources of agriculture, which can improve quality and productivity agricultural products. Wireless sensor networks (WSNs) provide smart with effective solutions for collecting, transmitting, processing information. However, large number consume too much energy that violates principle green communication. Simultaneous wireless power transfer (SWIPT) technology utilizes radio-frequency signals transmit WSNs, extend lifetime WSNs...

Although the use of coordinated direct and relay transmission (CDRT) in non-orthogonal multiple access (NOMA) can extend coverage, its duplicated reduces spectrum efficiency (SE) NOMA. To improve SE, we propose a spectrum-efficient scheme for NOMA-based CDRT over Nakagami-m fading channels. In this scheme, base station (BS) connects with cell-center user (CCU) directly while communicating cell-edge (CEU) via CCU. Then, CCU network coding to process retransmit signals sent by BS first CEU...

The increased use of deep neural networks has stimulated the growing demand for cloud-based model serving platforms. Serverless computing offers a simplified solution: users deploy models as serverless functions and let platform handle provisioning scaling. However, have constrained resources in CPU memory, making them inefficient or infeasible to serve large networks-which become increasingly popular. In this paper, we present Gillis, serverless-based system that automatically partitions...

A high-performance bandpass frequency selective structure (FSS) is presented, which consists of a 2-D periodic array shielded microstrip lines. It exhibits stable elliptical filtering response under large variation the angle incidence. Its operating principle and design guidelines are discussed through equivalent circuit models. An efficient full-wave mode-matching method has been developed to analyze proposed FSS. The provides simple practically feasible solution FSS since it can be...

This paper investigates the performance of EPC-gloabl Generation-2 (Gen-2) ultra high frequency (UHF) radio identification (RFID) protocol. Gen-2 protocol has a critical parameter Q that plays an important role in resolving tag collisions. proposes adaptive slot-count algorithm to adjust dynamically based on type replies from tags. In this paper, we define two metrics for identification: Query Success Rate (QSR) and speed (TIS). We establish Discrete-Time Markov Chain (DTMC) model...

A new three-dimensional bandpass frequency-selective structure (FSS) is proposed for dual-polarized applications. Each square unit cell of the FSS consists vertical and horizontal double-sided parallel-strip lines (DSPSLs) a thin metallic plate. Furthermore, every DSPSL are connected together through via holes. Using this arrangement, multimode resonators established in structure. At lower frequencies, substrate mode propagates two along constructed, leading to response with transmission...

The integration of device-to-device (D2D) communications with cooperative non-orthogonal multiple access (NOMA) can achieve superior spectral efficiency. However, the mutual interference caused by D2D may prevent NOMA from diverging its high efficiency advantage. Meanwhile, low adaptability fixed transmission strategy decrease reliability cell-edge user (CEU). To further improve efficiency, we investigate a device-to-multi-device (D2MD) assisted system, where two cell-center users (CCUs) and...

The paper presents a survey on transport control protocols for wireless sensor networks (WSNs). First, it lists the disadvantages of traditional (TCP and UDP) environment WSNs. Second, several design issues WSNs are presented. Third, some existing classified compared. Finally, problems needing further studying outlined.

Wireless Structural Control (WSC) systems can play a crucial role in protecting civil infrastructure the event of earthquakes and other natural disasters. Such represent an exemplary class cyber-physical that perform close-loop control using wireless sensor networks. Existing WSC research usually employs sensors installed on small lab structures, which cannot capture realistic delays data loss networks deployed large structures. The lack tools both cyber (wireless) physical (structural)...

Intrusion detection is an important problem in sensor networks. Prior works static environments show that constructing barriers with random deployment can be effective for intrusion detection. In response to the recent surge of interest mobile applications, this paper studies a network, where it believed sensors improve barrier coverage. Specifically, we focus on providing <formula formulatype="inline" xmlns:mml="http://www.w3.org/1998/Math/MathML"...

Estimating the location parameters of moving target is an important part intelligent surveillance for Internet Vehicles (IoV). Satellite has potential to play a key role in many applications space–air–ground-integrated networks (SAGINs). In this article, novel passive parameter estimator using multiple satellites aerial proposed. estimator, direct wave signals reference channels are first filtered by band-pass filter, followed sequence cancelation algorithm suppress direct-path interference...

The salient pay-per-use nature of serverless computing has driven its continuous penetration as an alternative paradigm for various workloads. Yet, challenges arise and remain open when shifting machine learning workloads to the environment. Specifically, restriction on deployment size over platforms combining with complexity neural network models makes it difficult deploy large in a single function. In this paper, we aim fully exploit advantages targeting at mitigating management overall...

In compressive sensing, the generalised orthogonal matching pursuit (gOMP) algorithm is one kind of sparse signal recovery algorithm, which generalises OMP by selecting a fixed number atoms at each iteration. Restricted isometry constant-based sufficient conditions to guarantee correct support identification and successful using gOMP in noiseless case are proposed. The proposed bounds more relaxed compared with existing ones.

In sixth-generation (6G) communication networks, ultrahigh-data rate and reliability are greatly vital for massive user connections network sensors, such as Internet of Things (IoT) devices. Simultaneous wireless information power transfer (SWIPT) has been evolved an efficient strategy to enhance the systems through prolonging battery lifetime by harvesting energy from received radio-frequency (RF) signals. Furthermore, cooperative relay sensors in IoT networks can extend coverage. this...