Internet of Vehicle (IoV) is an important paradigm to realize the intelligent transportation system. However, with increasing number vehicular applications, how satisfy ubiquitous requirements communication and computation challenging. Fog computing provides real-time services local users timely through close-proximity data processing, rather than routing a remote central center in cloud. More importantly, fog will facilitate autonomous driving (AD) revolutionarily. This paper investigates...

Underwater Wireless Sensor Networks (UWSNs) have aroused increasing interest of many researchers in industry, military, commerce and academe recently. Due to the harsh underwater environment, energy efficiency is a significant theme should be considered for routing UWSNs. positioning also particularly tricky task since high attenuation radio-frequency signals In this paper, we propose an energy-efficient depth-based opportunistic algorithm with Q-learning (EDORQ) UWSNs guarantee...

A detailed investigation of rescaled range (R/S) analysis to search for long-time correlations (via the Hurst exponent, H) in plasma turbulence is presented. In order elucidate important issues related R/S analysis, structure functions (SFs), one several techniques available calculating H, are also applied, and comparisons between two methods made. Time records both simulated data fluctuation reflectometry from DIII-D tokamak [J. L. Luxon G. Davis, Fusion Technol. 8, 441 (1985)] analyzed. It...

Unmanned aerial vehicles(UAVs), or drones, are garnering considerable focus in the realm of wireless communications research because to their notable characteristics, including exceptional mobility, versatile deployment capabilities, and robustness maintaining line-of-sight (LoS) links. This paper studies a UAV-assisted bidirectional relaying system for multi-pair user devices (UDs), where rotary-wing UAV is used serve as mobile relay providing information transmission between UDs belonging...

Long-range correlations (temporal and spatial) have been predicted in a number of different turbulence models, both analytical numerical. These long-range are thought to significantly affect cross-field turbulent transport magnetically confined plasmas. The Hurst exponent, H—one methods identify the existence experimental data—can be used quantify self-similarity scalings mesoscale temporal range. exponent can calculated by several algorithms, each which has particular advantages...

In this paper, we explore the problem of routing, modulation and spectrum assignment (RMSA) for advance reservation (AR) requests in elastic optical networks (EONs), with objective to further reduce blocking probability improve utilization. On one hand, propose a minimum resource consumption routing policy (MRC) leaving more free resources future requests. other introduce two-dimensional (2D) path model, which each AR request can be transformed into rectangle block whose length width are...

The construction of a hybrid wavelet threshold is presented based on fuzzy combination an unbiased risk estimate and asymptotic near-minimax fixed for noise suppression. optimality the proposed demonstrated by recovering Gaussian envelope sinusoidal signal embedded in additive white good poor signal-to-noise ratio scenarios.

In this paper, we investigate how to efficiently utilize channel bandwidth in heterogeneous hybrid optical and acoustic underwater sensor networks, where nodes adopt different Media Access Control (MAC) protocols transmit data packets a common relay node on or channels. We propose new MAC protocol based deep reinforcement learning (DRL), referred as dual-channel deep-reinforcement multiple access (OA-DLMA), which the utilizing OA-DLMA are called agents, remainder non-agents. The agents can...

One mechanism for transport of energy and particles in a plasma is by discrete, intermittent, uncorrelated events, often called avalanches. This paper reports observations quantitative characterization avalanche events magnetically confined plasma. The are primarily electron temperature fluctuations. Avalanches identified their large spatial scale, up to the system size, self-similar behavior frequency spectrum autocorrelation function propagation. two-point cross-correlation allows...

The pursuit of the higher performance mobile communications forces emergence fifth generation communication (5G). 5G network, integrating wireless and wired domain, can be qualified for complex virtual network work oriented to cross-domain requirement. In this paper, we focus on multi-domain embedding in a heterogeneous infrastructure, which facilitates resource sharing diverse-function demands from fixed/mobile end users. We proposed mathematical ILP model problem. And based...

The elastic optical network (EON) provides fine-grained and orthogonal frequency slots for establishing the connection that will realize high-rate data transmission among centers (DCs). With implementation of cloud DCs (CDCs) EON virtualization, achieving embedding (EONE) is essential, which includes two components: node mapping from virtual machine to CDC link lightpath fiber link(s). In particular, must satisfy some rigid constraints in terms spectrum continuity, consistency,...

As a nanometer level network-on-chip with the optical interconnection, Optical Network-on-Chip (ONoC) was first proposed in 2006 order to reduce power consumption of inter-chip communication. Because ONoC is typically characterized by low latency, high bandwidth and consumption, it has become more attractive. Compared 2-Dimensional (2D) design, 3D integration technology higher packing density, shorter wire length less consumption. Therefore, will have great potential future. In this paper,...

Orienting to the competitive exploration of marine resources and ship intelligent navigation, broadband stable maritime communications has regarded as a matter concern. Due particularity ocean environment, communication network is severely restricted compared terrestrial one. By understanding requirement business, this article deepens research on at offshore areas makes summary urgent problems mainstream technologies. Besides, an experimental type paradigm based coast-5G involving virtual...

The increase of multimedia applications results in the growing popularity multicast demands. At same time, survivability an optical network is very important because its high transmission rate. Therefore, it necessary to provide for demands network. Previous works have proposed protection schemes single-fiber link failure, which preconfigured cycle, known as p-cycle, efficient method overcome long restoration time and complicated switching procedure comparison with other schemes. However,...

Quantitative analysis shows that a transparent OXC network provides only up to 5% improvements in cost savings as compared long systems with OADMs. Other unique advantages for networks need be proven-in before they are widely adopted.

Maritime wireless mesh network (MWMN) has merged as a remarkable solution to provide the service for growing number of marine users. One most crucial issues in MWMN is appropriate routing decision, which can contribute efficient and reliable communication. Unfortunately, previous works have paid little attention intermittently connected maritime environment. In this paper, we propose an Improved Nearest Point based Location Routing (INPLR) protocol MWMN, with joint consideration expected...