We proposed a simple yet robust film treatment method with methanol having only one hydroxyl group to enhance the conductivity of poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) by four orders magnitude. Different methods treatment: immersing PEDOT:PSS in solution; dropping on film; and combination these are employed results compared. The films was enhanced from 0.3 S cm−1 1362 after methanol. Other alcohols like ethanol propanol were also used treat showed inferior...

Different from conventional mobile networks designed to optimize the transmission efficiency of one particular service (e.g., streaming voice/ video) primarily, industry and academia are reaching an agreement that 5G projected sustain manifold wireless requirements, including higher mobility, data rates, lower latency. For this purpose, 3GPP has launched standardization activity for first phase system in Release 15 named New Radio (NR). To fully understand crucial technology, article offers...

The ultra low-latency operations of communications and computing enable many potential IoT applications, thus have gained widespread attention recently. Existing mobile devices telecommunication systems may not be able to provide the highly desired services. To meet needs those we introduce Fog-Radio Access Network (F-RAN) architecture, which brings efficient capability cloud edge network. By distributing computing-intensive tasks multiple F-RAN nodes, has requirements applications. In this...

The IEEE 802.16 WiMax standard provides a mechanism for creating multi-hop mesh, which can be deployed as high speed wide-area wireless network To realize the full potential of such high-speed mesh networks, two efficient radio resource allocation extensions were developed objective this paper is to propose an approach increasing utilization through appropriate design routing and scheduling. As multiple-access interference major limiting factor communication systems, we adopt here...

As Machine-Type-Communications (MTC) continues to burgeon rapidly, a comprehensive study on overload control approach manage the data and signaling traffic from massive MTC devices is required. In this work, we problem of RACH overload, survey several types RAN-level contention resolution methods, introduce current development CN (core network) mechanisms in 3GPP LTE. Additionally, simulate compare different methods offer further observations solution design.

We propose a dynamic auction mechanism to solve the allocation problem of computation capacity in environment cloud computing. Truth-telling property holds when we apply second-priced into resource problem. Thus, service provider (CSP) can assure reasonable profit and efficient its resources. In cases that number users resources are large enough, potential problems mechanism, including variation revenue, will not be weighted seriously since law this case.

Cloud-based wireless networking system applies centralized resource pooling to improve operation efficiency. Fog-based reduces latency by placing processing units in the network edge. Confluence of fog and cloud design paradigms 5G radio access will better support diverse applications. In this article, we describe recent advances (F-RAN) research, hybrid fog-cloud architecture, issues. Furthermore, GPP platform facilitates confluence computational communications processing. Through...

Vehicular fog computing (VFC) is a promising approach to provide ultra-low-latency service vehicles and end users by extending the conventional vehicular networks. Parked vehicle assistance (PVA), as critical technique in VFC, can be integrated with smart parking order exploit its full potentials. In this paper, we propose VFC system, combining both PVA parking. A VFC-aware reservation auction proposed guide on-the-move available places less effort meanwhile capability of parked assist...

With the potential to generate numerous connection requests, an explosive growth in volume of data traffic and number mobile machine-to-machine devices has drawn new attention radio access network. Surging random-access attempts cause not only severe preamble collisions but downlink resource shortage as well, thus degrading performance procedure. However, effect on system yet be comprehensively studied. In addition, most existing contention resolution mechanisms sacrifice channel (RACH)...

With the development of telecommunication technologies and proliferation network applications in past decades, traditional cloud architecture becomes unable to accommodate such demands due heavy burden on backhaul links long latency. Therefore, edge computing, which brings functions close end-users by providing caching, computing communication resources at edges, turns into a promising paradigm. Benefit from its nature, enables emerging scenarios use cases, as augmented reality (AR) Internet...

Next-generation wireless systems (4G and beyond) are envisioned to provide ubiquitous high-speed access over heterogeneous radio technologies. The integration of cellular WWANs WLANs has drawn considerable attention from the research commercial communities (e.g., 3G+802.11). Emerging dualmode mobile terminals could flexibility system performance enhancement by providing seamless roaming between WLANs. In this article we propose a novel integrated WWAN/WLAN two-hop-relay architecture that...

Femtocells are a promising technology to improve network performance with short-range, low-power, and cost-beneficial small base stations. There will be many prospective benefits by applying the femtocell technique wireless communication standards such as Global System for Mobile Communications (GSM), WiMAX, Long-Term Evolution. This paper studies two main design issues in orthogonal frequency-division multiple-access (OFDMA) networks, i.e., resource sharing access control. Unlike other...

In this study, we used facile synthetic routes to construct two well-defined starburst donor/acceptor conjugated small molecules with broad absorption features; in TPAKP-2 and TPAKP-3, triphenylamine (TPA) moieties served as electron donor core units dialkylated diketopyrrolopyrrole (DKP) symmetrical thiophene acceptors, 1 : 2 3 ratios, respectively. Our investigation of the photophysical properties indicated that bands TPAKP-2, TPAKP-3 extended up 793 nm, low optical band gaps 1.56 1.65 eV...

Mobile-edge computing (MEC) system is a new paradigm to provide cloud capacities at the edge of radio access network (RAN) which close mobile users. In this paper, we aim promote QoS by offloading computationally intensive tasks MEC server. There are many papers discuss issue. Nevertheless, most them just think over one-dimension resource allocation, resources or computation resources, and make less effective. Hence, consider allocation both server increase effectiveness. Apart from this,...

Long Term Evolution-Advanced (LTE-A) is prospering as one of the promising mobile communication systems. In near future, it expected that in addition to traditional humanto- human (H2H) communications, an LTE-A system needs support many applications with technique machine type communications (MTC), or machine-to-machine (M2M). Since M2M features a large number devices, mechanism guarantee performance H2H and random access procedure (RACH procedure) should be considered. However, little...

The Internet of Things (IoT) is one the most promising technologies fifth-generation (5G) mobile broadband system. Data-driven wireless services 5G systems require unprecedented capacity and availability. In this article, we introduce potential issues consumer devices under a unifying framework. We provide state-of-theart overview with an emphasis on technical challenges applying millimeter-wave (mm-wave) technology to support massive IoT applications. Our discussion highlights solutions,...

With the rapid development of deep learning technology, modern Internet-of-Things (IoT) cameras have very high demands on communication, computing, and memory resources so as to achieve low latency accuracy live video analytics. Thanks mobile-edge computing (MEC), intelligent offloading MEC nodes can bring a lot benefits, especially when decomposable pipeline is adopted in cloud-edge architecture. In this article, we provide intelligence IoT (DICE-IoT) framework support joint latency-...

Timely and accurate outcome prediction plays a vital role in guiding clinical decisions on acute ischemic stroke. Early condition deterioration severity after the stage are determinants for long-term outcomes. Therefore, predicting early outcomes is crucial stroke management. However, interpreting predictions transforming them into clinically explainable concepts as important themselves.This work focused machine learning model analysis of used explanation skills results.Acute patients...