The next-generation wireless networks are evolving into very complex systems because of the diversified service requirements, heterogeneity in applications, devices, and networks. network operators need to make best use available resources, for example, power, spectrum, as well infrastructures. Traditional networking approaches, i.e., reactive, centrally-managed, one-size-fits-all conventional data analysis tools that have limited capability (space time) not competent anymore cannot satisfy...

Due to high costs and power consumptions, fully digital baseband precoding schemes are usually prohibitive in millimeter-wave massive MIMO systems. Therefore, hybrid strategies become promising solutions. In this paper, we present a novel real-time yet high-performance strategy. Specifically, the eigenvectors corresponding larger eigenvalues of right unitary matrix after singular value decomposition on an array response used abstract angle information analog matrix. As obtained correspond...

This article proposes a novel approach to onthe- fly establishment of multihop wireless access networks (OEMAN) for disaster response. OEMAN extends Internet connectivity from surviving points victims using their own mobile devices. is set up on demand virtualization create virtual Virtual greedily form tree-based topology, configured automatically naming and addressing, which then used provide users. Ordinary users can easily connect the through as if they are connected conventional points....

The concentration of fine particulate matter (PM2.5), which represents inhalable particles with diameters 2.5 micrometers and smaller, is a vital air quality index. Such can penetrate deep into the human lungs severely affect health. This paper studies accurate PM2.5 prediction, potentially contribute to reducing or avoiding negative consequences. Our approach's novelty utilize genetic algorithm (GA) an encoder-decoder (E-D) model for prediction. GA benefits feature selection remove outliers...

This article presents a design procedure for wireless power transfer (WPT) systems with the load-independent class-E inverter family. The guarantees that WPT system will achieve constant output and soft switching in response to load variations without particular control, which can apply not only single-hop single-output but also multihop multioutput designs. It is analytically explained WPT-system type determined by properly selecting inverter, rectifier, coupling resonant structure. As...

Energy harvesting technology potentially solves the problem of energy efficiency, which is biggest challenge in wireless sensor networks. The node, has a capability from surrounding environment, able to achieve infinitive lifetime. promisingly changes fundamental principle communication protocols Instead saving as much possible, should guarantee that harvested equal or bigger than consumed energy. At same time, are designed have efficient operation and maximum network performance. In this...

3GPP has been engaged in further advancing the evolved E-UTRAN and UTRAN based radio access network technologies. NR is 3rd Generation Partnership Project (3GPP) endeavor for outlining standardization of 5G advanced technology. released first set standards, that is, non-standalone specifications. As LTE technology massively deployed broadly accepted, transition from to very critical, it maximum importance backward compatibility with considered. identified several architecture options 5G....

In recent years, Content Delivery Networks (CDN) and Peer-to-Peer (P2P) networks have emerged as two effective paradigms for delivering multimedia contents over the Internet. An important feature in CDN P2P is data redundancy across multiple servers/peers which enables efficient media delivery. this paper, we propose a network coding framework streaming either content delivery or which, are employed to simultaneously stream video single receiver. Unlike previous multi-sender schemes, show...

The current technology of Internet provides an acceptable level resilience in normal operation. However, the may get catastrophic impacts when unexpected disasters such as earthquakes, tsunami, etc. happen. Specifically, infrastructure including Wide Area Networks (WANs) face many challenges to operation power outage, link, device failures, rerouting packets, traffic engineering, In this paper, we follow a systematic approach for realizing disaster-resilient WANs using Software-Defined...

Forecasting discharge (Q) and water level (H) are essential factors in hydrological research flood prediction. In recent years, deep learning has emerged as a viable technique for capturing the non-linear relationship of historical data to generate highly accurate prediction results. Despite success various domains, applying Q H is hampered by three critical issues: shortage training data, occurrence noise collected difficulty adjusting model's hyper-parameters. This work proposes novel...

This paper presents an analysis and design of the load-independent (LI) high-frequency magnetic resonant wireless power transfer (MR-WPT) system with robustness against load variations coil misalignments. It is clarified from that misalignment can be obtained when LI inverter, series-resonant to (S-S) coupling topology, input-reactance invariant rectifier variations, post regulator are adopted. The output reactance transmitter does not vary misalignment. Therefore, inverter works mode,...

In this paper, we conceive an advanced neutral host micro operator (NH-{\mu}O) network approach providing venues with services tailored to their specialized/specific requirements and/or local context related that the mobile operators (MNOs) are poorly-suited it, as well broadband experience users from MNOs in a venue where only single infrastructure is mandated under shared spectrum access framework. A radio slicing concept conceived support and optimize both slice instance (SI) use cases...

The shared resource access wireless communication system is regarded as an efficient paradigm that allows the mobile network operators to have extended coverage and satisfy their subscribers' high capacity demands while keeping capital operational expenditure in check. On other hand, dual connectivity (DC), a small cell enhancement feature, subscribers two simultaneous connections increasing throughput enhancing mobility robustness. coordinated multipoint (CoMP) transmission/reception...

We investigate an advanced two-phase shared spectrum access communication scheme as efficient approach to enhance the spectral utilization of a network. In first phase, we devise spectrum-sharing policy based on demands, fairness, and so on, which utilizes priority in fulfilling operators' envision secure operator-specific information sharing where no critical is exchanged between operators. second macro cell network (MCN) benefits through offloading services offered by small (SCN). This...

This article proposes a load-independent zero-current switching (ZCS) parallel-resonant inverter along with its analytical expressions and design method. The proposed achieves constant output voltage amplitude ZCS against load variations, which are called the operation in this article. provide equations for achieving operation. were verified from quantitative agreements between experimental measurements predictions.

In the era of 5G and beyond, mobile devices usually can access several heterogeneous wireless networks (e.g., Wi-Fi 5G). To simultaneously efficiently utilize accessible network resources, muli path transport protocols, such as MPTCP MPQUIC, have shown much potential. these scheduling is one critical processes to ensure performance multipath transmission. Although there been many proposed schedulers in literature, they not performed well networks, especially when conditions vary (i.e.,...

With data transparency and immutability, the blockchain can provide trustless decentralized services for Internet of Things (IoT) applications. However, most blockchain-IoT networks, especially those with a private blockchain, are built on top an infrastructure-based wireless network (i.e., using Wi-Fi access points or cellular base stations). Hence, they still under risk Single-Point-of-Failure (SPoF) layer, hindering decentralization merit, example, when stations get failures. This paper...

In wireless rechargeable sensor networks (WRSNs), a mobile charger (MC) moves around to compensate for nodes’ energy via medium. such context, designing charging strategy that optimally prolongs the network lifetime is challenging. This work aims solve challenges by introducing novel, on-demand algorithm MC attempts maximize lifetime, where term “network lifetime” defined interval from when starts till first target not monitored any sensor. The algorithm, named Fuzzy Q-charging, optimizes...

Blockchain technologies have been emerging with the potential to disrupt many fields (e.g., cryptocurrencies replacing traditional ones, enabling trustworthy voting, etc.). The Internet of Things (IoT) has predictably strengthened when integrating private blockchain, such as Ethereum. In an IoT deployment Ethereum, a thorough understanding latency is critical issue that not adequately understood in literature. Motivated by that, this work aims comprehend performance Ethereum two popular...