As mobile wireless networks increase in popularity and pervasiveness, we are faced with the challenge of combining a diverse number networks. The fourth generation communications is expected to integrate potentially large heterogeneous technologies what could be considered huge step forward toward universal seamless access. One main challenges for mobility availability reliable horizontal (intrasystem) vertical (intersystem) handoff schemes. Efficient schemes enhance quality service provide...

Automated digital contact tracing is effective and efficient, one of the non-pharmaceutical complementary approaches to mitigate manage epidemics like Coronavirus disease 2019 (COVID-19). Despite advantages tracing, it not widely used in western world, including US Europe, due strict privacy regulations patient rights. We categorized current for namely: mobile service-provider-application, network operators' call detail, citizen-application, IoT-based. Current measures infection control do...

Scheduling different types of packets, such as realtime and non-real-time data at sensor nodes with resource constraints in Wireless Sensor Networks (WSN) is vital importance to reduce sensors' energy consumptions end-to-end transmission delays. Most the existing packet-scheduling mechanisms WSN use First Come Served (FCFS), non-preemptive priority preemptive scheduling algorithms. These algorithms incur a high processing overhead long delay due FCFS concept, starvation real-time packets...

Realizing secure and private communications on the Internet of Things (IoT) is challenging, primarily due to IoT's projected vast scale extensive deployment. Recent efforts have explored use blockchain in decentralized protection privacy supported. Such solutions, however, are highly demanding terms computation time requirements, barring these solutions from majority IoT applications. Specifically, this paper, we introduce a resource-efficient, blockchain-based solution for IoT. The made...

Coronavirus (COVID-19) is a very contagious infection that has drawn the world's attention. Modeling such diseases can be extremely valuable in predicting their effects. Although classic statistical modeling may provide adequate models, it also fail to understand data's intricacy. An automatic COVID-19 detection system based on computed tomography (CT) scan or X-ray images effective, but robust design challenging. In this study, we propose an intelligent healthcare integrates IoT-cloud...

As mobile wireless ad hoc networks have different characteristics from wired and even standard networks, there are new challenges related to security issues that need be addressed. Many intrusion detection systems been proposed most of them tightly routing protocols, such as Watchdog/Pathrater Routeguard. These solutions include two parts: (Watchdog) response (Pathrater Routeguard). Watchdog resides in each node is based on overhearing. Through overhearing, can detect the malicious action...

One of the mechanisms used to enlarge lifetime Wireless Sensor Networks (WSN) and provide more efficient functioning procedures is clustering. By assuming roles within a cluster hierarchy, nodes in WSN can control activities they performed therefore, reduce their energy consumption. However, election when act as data provider (saving energy) gateway (cluster head) between base station not simple task. To make this decision it necessary take into account aspects like power level signal,...

This paper proposes a simple Wireless Sensor Network (WSN)-based air quality monitoring system (WSN-AQMS) for industrial and urban areas. The proposed framework comprises set of gas sensors (ozone, CO, NO2) that are deployed on stacks infrastructure Zigbee WSN central server to support both short-term real-time incident management long-term strategic planning. architecture would use open-hardware open-software sensing capable motes [6] made by Libelium. These the ZigBee communication...

As mobile wireless networks increase in popularity and pervasiveness, we are facing the challenge of integration diverse such as WLANs WWANs. Consequently, it is becoming progressively more important to arrive at a vertical handoff solution where users can move among various types efficiently seamlessly. The ability remain connected device roams across different still remains an unachieved objective. Frequently, just choosing best network connect to, challenging problem due large number...

Major research challenges in the next generation (4G) of wireless networks include provisioning worldwide seamless mobility across heterogeneous networks, improvement end-to-end Quality Service (QoS) and enabling users to specify their personal preferences. Under this motivation, we design a novel cross-layer architecture that provides context-awareness, smart handoff control IP networks. We develop Transport Application Layer Architecture for vertical Mobility with Context-awareness...

Major research challenges in the next generation of wireless networks include provisioning worldwide seamless mobility across heterogeneous networks, improvement end-to-end quality service (QoS), supporting high data rates over wide area and enabling users to specify their personal preferences. The integration interoperability this multitude available will lead emergence fourth (4G) technologies. 4G technologies have potential provide these features many more, which at end change way we use...

Designing energy efficient and reliable routing protocols for mobility centric applications of wireless sensor network (WSN) such as wildlife monitoring, battlefield surveillance health monitoring is a great challenge since topology the changes frequently. Existing cluster-based mobile LEACH-Mobile, LEACH-Mobile-Enhanced CBR-Mobile consider only efficiency nodes. However, reliability by incorporating fault tolerance scheme significantly important to identify failure data link nodes recover...

With the increased usage of Web 2.0 and data-affluent tools such as social media platforms web blog services, challenge extracting public sentiment disseminating personal health information has become more common than ever in last decade. This paper proposes a novel model for Dengue disease detection based on posts alone. The does not access any people or medical record. extracts presence patients infected with tweets only decides whether it is general discussion about disease, no one...

Due to the proliferation of Internet Things (IoT), IoT devices are becoming utilized at edge network a much higher rate. Conventionally, lack computation resources required for carrying out ultra-edge analytics. In this paper, we go beyond typical analytics paradigm, which is mostly limited user-smartphones, and investigate how embed intelligence into sensors. To conceptualize smart sensors with enhanced intelligence, select arrhythmia detection task employing Electrocardiogram (ECG) trace...

Wind energy is essential for promoting sustainability and renewable power solutions. However, ensuring stability consistent performance in DFIG-based wind turbine systems (WTSs) remains challenging due to rapid speed variations, grid disturbances, parameter uncertainties. These fluctuations result instability, increased overshoot, prolonged settling times, negatively impacting compliance system efficiency. Conventional proportional-integral (PI) controllers are simple effective steady-state...

Broadband wireless communication systems, namely, Worldwide Interoperability for Microwave Access (WiMAX) and Long-Term Evolution (LTE), promise to revolutionize the mobile users experience by offering many of services features promised fourth-generation (4G) such as supporting multimedia with high data rates wide coverage area, well all-Internet Protocol (IP) security quality-of-service (QoS) support. These however, require proficient radio resource management (RRM) schemes provide...

Traditionally, the Internet of Things (IoT) devices, deployed on ultra-edge network, lack computation, and energy resources. In this paper, we press need to go beyond realms traditional edge computing (e.g., limited user-smartphones) investigate how incorporate intelligence into IoT sensors. Among numerous use-cases, select a mobile Health (mHealth) scenario where conceptualize smart sensor collect intelligently process single-channel Electrocardiogram (ECG) signals detect arrhythmia,...

A Wireless Sensor Network (WSN) is a collection of wireless sensor nodes forming temporary network without the aid any established infrastructure or centralized administration. In such an environment, due to limited range each node's transmissions, it may be necessary for one node ask other in forwarding packet its destination, usually base station. One big issue when designing routing protocol make best use severe resource constraints presented by WSN, especially energy limitation. this...

Forecasts for emerging mobile device markets anticipate that bandwidth will be squeezed by demanding applications like multimedia on demand. This spur the need data rates beyond what upcoming 3G wireless cellular systems such as UMTS can offer. To boost support high rates, HSDPA, labeled a 3.5G system, has been introduced in Release 5 of technical specifications. HSDPA is definite step toward meeting "anywhere, anytime, and any form" 4G communication concept. promises peak rate up to 10...

Machine to machine (M2M) communication networks consist of thousands low cost, energy, computational power and memory sensors nodes. Due the autonomous monitoring, self organization, consumptions remote accessibility sensors, M2M gain momentum in environmental pollution detection, agriculture, disasters monitoring many similar applications. It is evident that sensor-based agriculture systems are being designed implemented mostly context developed countries. However, these do not focus on...

Energy efficiency in specific clustering protocols is highly desired wireless sensor networks. Most existing periodically form clusters and statically assign cluster heads (CHs) thus are not energy efficient. Every non-CH node of these sends data to the CH every time slot a frame allocated them using division multiple access scheme, which an energy-consuming process. Moreover, do provide any fault tolerance mechanism. Considering limitations, we have proposed efficient fault-tolerant...

Multihop device-to-device (D2D)-enabled relay networks are envisaged to be utilized by the Internet of Things (IoT) and massive machine-type communication (mMTC) traffic for purpose offloading data in beyond fifth-generation (B5G) networks. The emerging challenge spectrum scarcity overloading cellular base stations can addressed using such nodes terms energy efficiency. In order improve spectral efficiency, this article, we intend employ several frequency bands concurrently node rather than...