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IoT / Cloud / Big data / Mobile (ICBM) is a new technology paradigm that merges IoT, cloud, big data, and mobile technologies. In this study, we designed and implemented a smart farm environment management system that can collect and monitor information on crop growth utilizing ICBM technology. The wireless system proposed in this paper not only collects environmental data from the inside of a vast...
A variety of wireless communication links today, such as HSPA+ access in high speed trains, balloon-based aerial wireless networks and satellite Internet connections have high loss rates. In such environments, Multipath TCP (MPTCP) offers a robust solution compared to regular TCP. However, MPTCP and existing schedulers suffer from performance degradation for both constant bit rate (CBR) and bulk traffic...
Field Communication Network is a complex communication network system with grid topology structure, so it is difficult to disable communication. The paper puts forward a strategy to search the topology structure using UAV. At first, the paper analyzes the characteristics of node center in Field Communication Network, combining with the direction-finding and localization ability of UAV, proving that...
A communication protocol for fog computing should be efficient, lightweight and customizable. In this work we focus in a communication protocol for fog nodes composed of wireless sensors, which are spatially distributed autonomous sensors monitoring physical or environmental conditions. Problems with data congestion and limited physical resources are common in these networks. For the optimization...
In this modern era just like today, information delivery technology is growing rapidly, especially information delivery through internet. Internet of Things (IoT) is estimated to grow from 40% in 2014 to 70% in 2019. Internet of Things (IoT) itself widely applied in industrial field, engineering, and communication. One of many applications which could be optimized is the use of PDAM water debit monitoring...
Hyper-dense network is a promising solution to the high mobile video traffic. However, it has some fundamental problems. To address these issues, we propose a novel information-centric cooperative video transmission strategy in hyper-dense networks via caching. In the proposed scheme, each video file is encoded into segments using maximum distance separable rateless code. Then, a portion of each segment...
With the rapid development of Internet of things, Wireless Sensor Networks (WSN) has received growing interests. As the virtual backbone of WSN, connected dominating set (CDS) plays an important role in supporting data communication, reducing routing overhead and enhancing the scalability of the network. Attribute to the rapid development of microprocessor and electronic technology, communication...
The Link Fabrication Attack (LFA) in Software-Defined Networking (SDN) involves an attacker forging a new link in the network, providing them with control over traffic which traverses the new malicious link. One method to perform this attack is through the relaying of topology discovery traffic, for which no comprehensive defense exists. This paper proposes to detect this attack using statistical...
Along with the growth of the Internet of Things (IoT), the number of wireless devices and mobile nodes significantly increases and they are connected among them over wireless links. Many application software and network system software for these wireless devices/mobile nodes are being developing. However, we cannot confirm a wireless connection between the two adjacent devices, the network topology...
Energy consumption has become a key issue for running large-scale data center networks (DCN) nowadays. Previous studies mainly focus on energy saving through reducing the number of active servers or network switches with traffic consolidation. However, since this mechanism benefits from the routing flexibility, both the gained energy savings and flow performance are limited by the conventional static...
Wireless Sensor Networks (WSNs) use mobile actuators for data gathering, which can effectively reduce the energy loss caused by data forwarding and prolong the network lifetime. However, mobile data gathering can't fundamentally change the fact that the energy of sensor nodes is limited. In this paper, to reduce the energy consumption due to data forwarding in wireless sensor networks, an emergency...
This paper proposes a novel, iterative, distributed Medium Access Control (MAC) for Multi-Transmit-Receive (MTR) Wireless Mesh Networks (WMNs). The MAC called PCP-TDMA aims to construct the shortest possible schedule that allows nodes to transmit to or receive from all their neighbors simultaneously over the same frequency. Compared to the state-of-the-art, namely a centralized algorithm called ALGO-2,...
The processing time of real-time sensing, data analytics and other applications is an important performance metric. When the application is being executed on a distributed system, the load balancing scheme among processing nodes significantly affects the total processing time of the application. We consider a load balancing scheme for distributed computing at the edge of the network. In the edge model...
Mobile backhauling, small cells and MmWave are key supportive technologies for 5G revolution. Mobile backhauling is the key enabler and also a showstopper for 5G small cells deployments. Scalability and reliability with high data rate and larger bandwidth are important factors to choose the small cell backhauling topology. In this paper, We consider the star and mesh topologies for the MmWave wireless...
Industrial automation has emerged as an important application of wireless sensor-actuator networks (WSANs). To meet stringent reliability requirements of industrial applications, industrial standards such as WirelessHART adopt Time Slotted Channel Hopping (TSCH) as its MAC protocol. Since every link hops through all the channels used in TSCH, a straightforward policy to ensure reliability is to retain...
We investigate the potential gains of Physical-Layer Network Coding (PLNC) in multi-hop wireless networks. Physical-Layer Network Coding was first introduced as a solution to increase the throughput of a two-way relay channel communication. Unlike most wireless communications techniques which try to avoid collisions, PLNC allows two simultaneous transmissions to a common receiver. Such transmitted...
Internet of Things (IoT) consists of smart devices that communicate with each other. It enables these devices to collect and exchange data. Besides, IoT has now a wide range of life applications such as industry, transportation, logistics, healthcare, smart environment, as well as personal, social gaming robot, and city information. Smart devices can have wired or wireless connection. As far as the...
In this poster, we consider software-defined wireless sensor networks (SDWSNs) and present a lightweight flow management to reconfigure flow entries in flow-table when link fault occurs in the data plane of SDWSNs.
In this paper we propose a novel online caching method to perform the update phase in a distributed caching system, with a natural application to heterogeneous scenarios with cache-equipped small-cell base stations. We investigate the performance of our scheme, showing in particular that it results in a significant reduction of backhaul load, to the point of converging to the performance of the optimal...
This work describes a clean-slate inter-domain routing protocol designed to meet the needs of the future mobile Internet. In particular, we describe the edge-aware inter-domain routing (EIR) protocol which provides new abstractions of aggregated-nodes (aNodes) and virtual-links (vLinks) for expressing network topologies and edge network properties necessary to address next-generation mobility related...
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