With the consistent growing maneuver and applications of mobile technologies, dynamic handling of queries related to information on electronic media (Broadcast Queries) plays a vital role. Broadcast Queries (BQs) consists of some authentic characteristics that are not addressed when compared to conventional spatial query processing. It is possible to achieve a considerable reduction in latency while

The wireless sensor networks are very vulnerable environments for network attacks, so that they require appropriate security measures must be implemented. The blockchain technology is an effective way of protecting data handled and possessed by the wireless sensor networks. Many of the existing approaches are following conventional security approaches. But such traditional approaches are very prone

In this paper an improved adaptive energy efficient MAC (EEAWuR-MAC) protocol is proposed to handle emergency data transmission in internet of things wireless body area networks (WBANs) by incorporating the wake-up radio (WuR) mechanism. In WuR based WBANs a body node starts data transmission in an on-demand manner by sending a WuR-message (WuM). The WuR based MAC (WuR-MAC) protocols reduces the latency

Mutual coupling in an antenna array is caused due to the signal leakage as the conduction current through the metallic part underneath the radiating elements and the surface wave surrounding the substrate along with the radiation leakage. The influence of mutual coupling weakens the array performances like scattering parameter, antenna gain, radiation pattern, antenna efficiency etc. The mutual coupling

In general, WMSN follows many-to-one technique to transmit the data and to sense the information. There occurs a rapid increase in congestion or network traffic due to the generation of a large number of sensors. Moreover, the performances are jeopardized due to transmission and a high rate of packet losses. In order to address such shortcomings, this paper aims in developing a Hybrid Red Deer Salp

In this paper, a three-dimensional target localization problem in widely separated multiple-input multiple-output radars is solved using two specific techniques based on time difference of arrival measurements. These techniques are provided in terms of transmitter and receiver antennas, which are named as technique_t and technique_r, respectively. The localization problem is rewritten as a non-convex

Recently, the Internet of Things (IoT) had emerged very rapidly and became the most important technology in today’s era. In an IoT-based environment, every physical object is connected to the internet. It has many applications in the fields of home automation, healthcare, military, weather forecasting, and industrial monitoring. Wireless Sensor Networks (WSNs) acting as a backbone of any IoT-based

Random Access techniques are many, most of which are designed for a limited number of mobile nodes. However, in a 5G Internet of Things environment, the design of random access must accommodate a very large number of devices which are heterogeneous in nature, and packets are in general short and come in a variety of lengths. Variable lengths of short packets may waste bandwidth if each packet transmits

An independent component analysis (ICA) based CDMA receiver is proposed, which in addition to the independence of users also exploits the independence of pseudo-codes in user signal separation. The proposed scheme is termed as independent code division multiple access in contrast to orthogonal code division multiple access being used in conventional CDMA receivers. Independence of pseudo-codes has

The credit/debit card deceit detection is an enormously difficult task. However, it is a well known problem of our cloud based mobile internet society and it must be solved by technocrats in the welfare of societal mental harassments. The main problem in executing credit/debit card fraud detection technique is the availability of limited amount of fraud related data like transaction amount, transaction

Currently, wireless systems are moving towards implementing fifth-generation (5G) wireless networks to compensate for intense growth and surpass demands concerning future wireless services. Consequently, massive multiple-input multiple-output (mMIMO) and multi-carrier code-division multiple access (MC-CDMA) have received considerable attention for addressing the prevailing constraints in developing

Reducing energy consumption in wireless sensor networks (WSNs) is one of the main ways to extend network lifetime since, in most cases, sensor nodes are battery-powered and are not rechargeable. One way to achieve this goal is to reduce the amount of redundant data sent to the base station (BS) through an aggregation operation carried out by the coordinating nodes. The clustering approach is considered

Satellites, in low earth orbit, are increasingly deployed in last years. They are used as well various space missions and mostly in remote sensing missions. Despite this growing interest and the large number of deployed satellites, each space mission has its own requirements according the purposed activities. Engineers are called-upon to develop new codes, algorithms, and to bring changes to the manufacturer’s

In this paper, a two-dimensional information transmission method based on k step-complex spread spectrum (KS-CSS) is proposed. The aim is to solve the contradiction between the bandwidth and processing gain of a traditional direct-sequence spread spectrum (DSSS) channel, and to achieve better system performance (such as by obtaining higher processing gain and higher bandwidth utilization). Using the

In this paper, GSA-based Exigency Routing (GSA-ER) and CSA-based Near Exigency Relaying (CSA-NER) models have been proposed that support Multiple SS-based Optimized Cross-layer Routing (MB-OCR) framework. The GSA-ER model uses channel statistics, delivery estimates, cluster population, and energy parameters to shortlist an optimized multi-hop path to the static Base-Station (SS) held responsible for

Recently, with the faster pace of development on the sophisticated detection and stealth technology, extensive attention is being paid to the reduction of Radar Cross Section (RCS) as it emerges in security and commercial applications. The Vivaldi antennas are one of the best choices for wide impedance bandwidth, planar configuration, and low profile as well. However, RCS reduction affects the antenna

In this paper, we have proposed a lightweight blockchain based model to provide distributed authentication and anonymous authorization in IoD. We have proposed four different approaches to hide the identity of unmanned aerial vehicles UAV during the message exchanges using the blockchain. Non Interactive Zero Knowledge Proof (NIZKP) with bilinear map has been used to provide anonymity of UAV on the

In this paper, we propose a new cryptosystem based on matrix translation and Elliptic curve cryptography for developing a secure routing algorithm to provide energy efficient and secured data communications in Wireless Sensor Networks. Moreover, the newly proposed techniques are implemented by decomposing the process into the key generation phase, encryption phase, cluster based secure routing phase

IEEE 802.15.6 standard has been designed for wireless body sensor networks (WBSNs) that consist of several sensors and a coordinator node in, on or around the human body. In WBSNs, the body sensors continuously send their data to the coordinator node for remote healthcare applications. Continuously sensing body signals is a requirement for vital signs but continuously sending these signals to a destination

Industry 4.0 is a tsunami that will invade the whole world. The real challenge of the future factories requires a high degree of reliability both in machinery and equipment. Thereupon, shifting the rudder towards new trends is an inevitable obligation in this fourth industrial revolution where the maintenance system has radically changed to a new one called predictive maintenance 4.0 (PdM 4.0). This

Acquisition schemes for hybrid spread spectrum (HSS) systems with a fixed threshold cannot provide satisfactory performance, due to the instantaneous changes of channel state information, environmental interferences, and mobility referred to as outliers. In these conditions, the received signal level varies rapidly. The fixed thresholding method (TM) can cause too many false alarms or the reduction

In the Internet of things (IoT), the energy-saving of battery-powered IoT terminal is a key problem. To address it, a novel transceiver is proposed, and a transmission scheme is presented by exploiting the fading characteristic of the wireless channel. Based on the novel transceiver design, the IoT terminal can periodically observe the wireless channel gain and determine the appropriate time to upload

This paper presents an efficient spiral rectenna to be used for radio frequency energy harvesting application. This rectenna is simple, low cost and an efficient design exhibiting a power conversion efficiency of 85–88% at different conditions. The unique feature of the proposed model is, it eliminates the need for an external matching circuit thus reducing the complexity of the design, cost and is

Minimum energy broadcast (MEB) problem in wireless sensor network has attracted attentions of the many researchers due to the limited bandwidth of the network and battery life of the sensor nodes. The data in a wireless network are transmitted from the source node to all other nodes and seek broadcast scheme to transmit with minimum energy consumption. The main objective of MEB is to minimize the transmission

Greater compression ratio can be achieved while compressing images and videos by using the technique called compressive sensing or compressed sensing (CS). In CS, sparsity of the signal is exploited in order to achieve high compression. CS-based compression converts the images and video frames to a set of \(m

The spectrum has always been an essential resource of information for wireless communications. With the continued growth of Internet of things (IoT) and 5G, there is a demand to understand how the spectrum is used. One of the challenges of deploying IoT applications is the crowded spectrum in the unlicensed industrial scientific medical bands leading to rising coexistence problems between different

In order to accurately detect and locate network hidden threat information and improve the detection and location effect, a network hidden threat information detection and location method based on improved msckf algorithm is proposed. Firstly, the network data were normalized and standardized via pretreatment of the network data, thus improving the detection and positioning accuracy of network hidden

In this paper, a CMOS low noise amplifier (LNA) for ultra-wideband (UWB) wireless applications is presented. The proposed CMOS LNA is designed using common-gate (CG) topology at the first stage to achieve ultra wideband input matching. The common-gate has been cascaded with common-source (CS) current-reused configuration to enhance the gain and noise figure (NF) performance of the LNA with low power

Unmanned Aerial Vehicles (UAVs) are well-developed technologies that were first utilized for military applications such as border monitoring and reconnaissance in hostile territories. With the advancement of the Internet of Things (IoT) systems and smart mobile devices, several applications in various industrial, agricultural, smart homes, smart cities, smart transportation, etc. domains have emerged

Digital watermarking has emerged as a potential solution to the copyright protection related issues of digital data. This paper presents key paradigms of research in robust watermarking techniques for copyright protection, copy protection, and authentication of digital multimedia. The main issues that derive research in robust watermarking schemes are imperceptibility, security, and robustness. The

Wireless sensor networks are widely used today in environmental and home applications. Among these applications are some that require a bounded end-to-end delay since a delay may render some detected information useless or even causes damages in some critical applications. In this context we study the effect of anycast in the minimization of the end-to-end delay and we validate the study by simulations

Remote sensor systems experience basic investigation of network security because of inexplicable operational imperatives. The challenge flinches with the fragment of worms in the remote system. A solitary contaminated hub is adequate to spread the worms over the entire system. The tainted hub hastily contaminates the contiguous hubs in a relentless way. In this paper, a scientific model depending on

Through improved similarity analysis algorithm and hybrid local sensitivity hashing method, information is summarized and retrieved by information retrieval method based on EPC network architecture. This method does not consider the symmetry of information, and its retrieval effect is poor, security is low, and resource occupancy rate is high. Therefore, the information iterative retrieval of IoT communication

In this paper all the parameters in the conditions of rather comparatively larger probability of the value of n, have been discussed. In this extended range \(\upmu\) < n \(\le\) \(4\upmu\), the relation between existence of vector v(S) having the lowest weight in the coset RMm + v(S), and different values of r and d, have been analyzed. The relation between the number (\(\tau\)) of vectors having

Advancements in wireless communication technologies have facilitated the deployment of large-scale Wireless Sensor Networks (WSNs). Due to the constraint of associated battery power, various optimization structures have been proposed to enhance the lifetime of WSNs. In this article, the concept of supernodes is used along with Moth Flame Optimization algorithm to improve the lifetime of the heterogeneous

This paper investigate the effectiveness of the Empirical Mode Decomposition (EMD) based Power Spectrum analysis (PSA) technique to evaluate the Performance of SSVEP based Brain computer inference (BCI) system in terms of SSEP recognition accuracy and Information transmission rate (ITR). Steady State Visual evoked Potential (SSVEP) is a quasi sinusoidal signal contaminated into recorded EEG signal

Due to overlapping coverage areas of nodes, traditional data encryption methods for sensor networks fail to consider the logical correlation between common nodes and transmission paths, resulting in low data capture efficiency, low data communication after encryption, and poor data sensitivity extraction effect. Therefore, this paper proposes an automatic encryption method for sensor network capture

In this paper, a simple planar multiband antenna design for wireless handsets is introduced. The proposed antenna can support four broad frequency bands, covering LTE/WWAN/GNSS/WiMAX/WLAN and several bands that are suggested for 5G systems. The proposed antenna design consists of a folded driven monopole strip, and a parasitic ground connected to the main ground with several etched slots on the ground

Beamforming is one of the most significant processes in smart antennas. To change the antenna beam pattern is the major function of beamforming for a given angle. The algorithm that is adaptive beamforming is utilized to choose the conventional weights of each array element from acquired data of array antenna to extract the desired source signal while cancelling noise and interference. A lot of algorithms

Currently, there are some defects in data aggregation encryption methods, such as low accuracy and efficiency. In this regard, this paper proposes an aggregation encryption method of social network privacy data based on matrix decomposition. Shamir threshold segmentation scheme was used to improve the security of matrix decomposition results, and then re-encrypted network user attributes. For codomain

The future of information technology mainly depends upon cloud computing. Hence security in cloud computing is highly essential for the consumers as well as the service providers of the particular cloud environment. There are many security threats are challenging the current cloud environment. One of the important security threat ever in cloud environment is considered to be the Distributed Denial

Maximizing network lifetime in wireless sensor networks is one of the critical issues, particularly for transmitting multimedia data. The wireless sensor network's lifetime is directly linked to energy conservation at each sensor node in the network. Clustering is the most energy-efficient technique for saving energy in sensor networks. The appropriate method for selecting the cluster head is still

A micro strip patch antenna with multiple parasitic patches for Cognitive Radio Network applications is presented to enhance the bandwidth. Multiple resonances are used for the design of antenna, with a view to broaden bandwidth. A modified Koch Fractal antenna is imprinted from micro strip radiating patch. A Parasitic Strip line helps to grasp micro hertz communication through antenna. A slotted patch

In this work, a novel resource allocation scheme is proposed to find the optimal time-switching and power-splitting factors in a SWIPT assisted non-orthogonal multiple access (NOMA) relay network with combined time switching and power splitting protocol. The system model consists of a source node broadcasting a multiplexed NOMA signal to the far and near user via an amplify-and-forward energy harvesting

The performance of orthogonal frequency multiplexing (OFDM) communication systems is affected by the peak to average power ratio (PAPR). The research work uses a hybrid transform for reducing this PAPR value. In recent years, OFDM is more prevalent in the research field, particularly in wireless communication. OFDM system is found to have a high PAPR value. This high PAPR leads to nonlinear distortions

The biggest challenge for the network service providers is the day to day advancement of technologies which makes them difficult to manage the traditional networks. This day to day advancement has worked as a motivation to vendors for developing, deploying and migrating their services, installments of new hardware, trained people and up gradation of infrastructure which involves a huge cost and time

In this paper, a massive MIMO enabled backhaul model for two-tier heterogeneous networks with in-band full-duplex transmission and imperfect CSI is provided. Because of a massive number of antennas at the macro base station and densification of small cells, circuit power consumption increases in the system. It is requisite to study energy efficiency of such backhaul networks. This paper aims at maximizing

Cloud service providers emphasize the concept of virtual machines, wherein resources and services are accessed over a distributed network system. The loss of user privacy is indeed contempt in concern to any individual or organization, particularly concerning the Healthcare infrastructure. This research paper introduces a Euclidean L3P-based Multi-Objective Successive Approximation (EMSA) algorithm

The Internet of Things (IoT) connects every object equipped with computing and communication power and provides interaction between the objects to accomplish a task. The Internet of Vehicles (IoV) is a key component of IoT. In IoV, the messages communicated between the vehicles, the infrastructure or the wearable should be reliable and has to be communicated within a short span of time. Existing literatures

In healthcare applications, the remote monitoring of moving patients depends on wearable nodes that should be mobile. Thus, wearable nodes should be power mains-disconnected most of the time to enable natural wandering of patients in the area. Thus, easy-to-use models are utilized in a seamless way. From this perspective, it becomes necessary to develop a generation of wearable nodes that are energy

Lung Cancer is the most common cancer all over the world and is mostly diagnosed at later stages, thus increasing the risk of death. For early detection of malignant nodules there is a need for automated nodule detection system using imaging modalities like CT scan of lungs. Several machine learning algorithm specially deep learning algorithm have been used to accomplish this task, but without guaranteed

Distributed computing applications provide concurrent processing and services executed from different systems through a common cloud platform. However, without modifications or adaptable security measures, such concurrency presents a great challenge to the proper administration of security. This paper introduces a hybrid secure equivalent computing model to address this security issue. The proposed

This paper introduces a review article on indoor localization techniques and technologies. The paper starts with current localization systems and summarizes comparisons between these systems in terms of accuracy, cost, advantages, and disadvantages. Also, the paper presents different detection techniques and compare them in terms of accuracy and cost. Finally, localization methods and algorithms, including

Massive Multiple-Input Multiple-Output (MIMO) technology has the potential to deliver high spectral efficiencies by leveraging the ability to form narrow beams that can be resolve users based on location. Complexity is a significant barrier, particularly for massive MIMO systems employing orthogonal frequency division multiplexing (OFDM). This paper presents a simple technique for employing multiple-beamforming

In this research paper, compact and slotted patch antenna geometry of size (30.8 × 37.2 mm) has been designed and investigated at frequency 3.30 GHz. The proposed antenna covers 2.08–3.99 GHz frequency band suitable for S-band (2–4 GHz) wireless communication. The proposed geometry of antenna design consist two notches and one vertical slot. The bandwidth of antenna is enhanced gradually by cutting

The data is generated at significant speed and volume by devices in real-time. The data generation and the growth of fog and edge computing infrastructure have led to the noteworthy development of the corresponding distributed stream processing systems (DSPS). A DSPS application has Quality of Service (QoS) restrictions in terms of resource cost and time. The physical resources are distributed and

In this study, a new approach of random access and pilot allocation in crowded scenarios of massive multi-input multi-output (MIMO) systems is proposed. When the number of users in a cell is more than number of orthogonal pilots, random access to pilots (RAP) is a promising solution to solve the massive access problem of users; though the collision of pilots is a by-product of this method. There are

Network traffic processing is an automated method for arranging and optimizing network traffic, based on the parameters. The traffic data is gathered to begin the study of the component of network traffic. Subsequently, the clustering and grouping process is carried out to evaluate network traffic. Continuous evaluation of the patterns of network traffic remained a daunting challenge during traffic

A comprehensive and satisfying route- guidance system is considered valuable for citizens and tourists worldwide. An effective route-guidance system is essential because of the sophisticated city formation and transportation system in India. For better utilization of route-guidance systems. It needs to be easy to use and informational but to be more sensible to give optimal route options in terms of

Medical experts indulge in numerous strategies for efficient and predictive measures to model the health status of patients and formulate the patterns that are formed in test results. Most patients would dream of their betterments of their health conditions and thus preventing the progression of any disease. When diabetics is considered in the model, or highly intervening methodology would be required