Euisin Lee
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View article: Energy Balancing and Lifetime Extension: A Random Quorum-Based Sink Location Service Scheme for Wireless Sensor Networks
Energy Balancing and Lifetime Extension: A Random Quorum-Based Sink Location Service Scheme for Wireless Sensor Networks Open
Geographic routing is an appealing method for wireless sensor networks, as it routes data packets solely based on nodes’ location information rather than global network topology. A fundamental requirement for geographic routing is that sou…
View article: Particle Swarm Optimization-Based Content Delivery Protocol for UAV VAENTs
Particle Swarm Optimization-Based Content Delivery Protocol for UAV VAENTs Open
As the capabilities of mobile devices and mobile communication techniques expand, vehicular ad hoc networks (VANETs) play an increasingly significant role in transportation and traffic management, particularly in Intelligent Transportation…
View article: Maxillary Sinus Mucosa Preservation Versus Mucosal Sacrifice: Radiographic Outcomes After Inferior Maxillectomy and Soft‐Tissue Free Flap Reconstruction
Maxillary Sinus Mucosa Preservation Versus Mucosal Sacrifice: Radiographic Outcomes After Inferior Maxillectomy and Soft‐Tissue Free Flap Reconstruction Open
Background This study evaluates the impact of maxillary sinus mucosa preservation on radiographic outcomes after an inferior maxillectomy and soft‐tissue free flap reconstruction. Methods A total of 90 patients in two cohorts (mucosal sacr…
View article: Mobility-Based Multi-Hop Content Precaching Scheme in Content-Centric Vehicular Networks
Mobility-Based Multi-Hop Content Precaching Scheme in Content-Centric Vehicular Networks Open
Due to the rapid development of smart vehicles, such as self-driving cars, the demand for mobile data traffic by vehicle users has increased so much that base stations cannot handle it, causing delays in content provision. The burden on th…
View article: A Scheme for Selecting Multiple Direct and Indirect Content Precaching Vehicles in Content-Centric Vehicular Networks
A Scheme for Selecting Multiple Direct and Indirect Content Precaching Vehicles in Content-Centric Vehicular Networks Open
콘텐츠 중심 차량 네트워크는 차량 환경에서 효율적인 콘텐츠 전달 서비스를 제공한다. RSU의 높은 설치 비용과 제한된 통신 범위로 인한 비연결 구간은 콘텐츠 전달 지연을 발생시킨다. 최근에 반대 방향의 이동 차량을 사전 캐싱 차량으로 이용해 비연결 구간에서 콘텐츠를 전달하는 방안이 제안되었다. 하지만, 기존 연구는 직접 사전 캐싱 차량 1대와 간접 사전 캐싱 차량 1대만을 이용하여, 콘텐트 요청 차량과 반대 방향 차량간의 짧…
View article: Adaptive Mobility-Based IoT LoRa Clustering Communication Scheme
Adaptive Mobility-Based IoT LoRa Clustering Communication Scheme Open
Long Range (LoRa) as a low-power wide-area technology is distinguished by its robust long-distance communications tailored for Internet of Things (IoT) networks. Because LoRa was primarily designed for stationary devices, when applied to m…
View article: Resource Cluster-Based Resource Search and Allocation Scheme for Vehicular Clouds in Vehicular Ad Hoc Networks
Resource Cluster-Based Resource Search and Allocation Scheme for Vehicular Clouds in Vehicular Ad Hoc Networks Open
Vehicular clouds represent an appealing approach, leveraging vehicles’ resources to generate value-added services. Thus, efficiently searching for and allocating resources is a challenge for the successful construction of vehicular clouds.…
View article: Multiple Precaching Vehicle Selection Scheme Based on Set Ranking in Intermittently Connected Vehicular Networks
Multiple Precaching Vehicle Selection Scheme Based on Set Ranking in Intermittently Connected Vehicular Networks Open
In vehicular networks, vehicles download vehicular information for various applications, including safety, convenience, entertainment, and social interaction, from the corresponding content servers via stationary roadside units. Since suff…
View article: Implicit Overhearing Node-Based Multi-Hop Communication Scheme in IoT LoRa Networks
Implicit Overhearing Node-Based Multi-Hop Communication Scheme in IoT LoRa Networks Open
Long range (LoRa) is a low-power wide-area technology because it is eminent for robust long-distance, low-bitrate, and low-power communications in the unlicensed sub-GHz spectrum used for the Internet of things (IoT) networks. Recently, se…
View article: Traffic Optimized Content Precaching Scheme Based on Tolerable Delay Time in Content-Centric Vehicular Networks
Traffic Optimized Content Precaching Scheme Based on Tolerable Delay Time in Content-Centric Vehicular Networks Open
The development of smart vehicles such as self-driving cars has resulted in an increased demand for content consumption in vehicles. This demand for content, coupled with the improved quality of the content and the expanding resolution of …
View article: Relaying Vehicle Selection and Content Precaching Scheme using Mobility Information of Vehicles in Content-Centric Vehicular Network
Relaying Vehicle Selection and Content Precaching Scheme using Mobility Information of Vehicles in Content-Centric Vehicular Network Open
VANET은 콘텐츠를 기반으로 데이터를 주고받는 통신 네트워크로 인프라 장치들과 주변 차량들에 의해 콘텐츠가 공유 및 소비되며 콘텐츠 이용에 대한 지연 시간과 트래픽을 감소시키는 사전 캐싱이 연구되고 있다. 하지만, 현재 사전 캐싱 연구들은 제한된 조건으로 차량 후보 노드를 선택하기 때문에 실질적인 환경에서는 콘텐츠 제공에 대한 예측이 어려워진다. 본 논문은 요청 차량에게 효율적으로 콘텐츠를 전달하기 위해 저지연에 최적의 릴…
View article: SF-Partition-Based Clustering and Relaying Scheme for Resolving Near–Far Unfairness in IoT Multihop LoRa Networks
SF-Partition-Based Clustering and Relaying Scheme for Resolving Near–Far Unfairness in IoT Multihop LoRa Networks Open
Long range (LoRa) is one of the most successful low-power wide-area networking technologies because it is ideally suited for long-distance, low-bit rate, and low-power communications in the unlicensed sub-GHz spectrum utilized for Internet…
View article: Cooperative Content Precaching Scheme Based on the Mobility Information of Vehicles in Intermittently Connected Vehicular Networks
Cooperative Content Precaching Scheme Based on the Mobility Information of Vehicles in Intermittently Connected Vehicular Networks Open
Intermittently connected vehicular networks (ICVNs) consist of vehicles moving on roads and stationary roadside units (RSUs) deployed along roads. In ICVNs, the long distances between RSUs and the large volume of vehicular content lead to …
View article: Expected Area-Based Real-Time Routing Protocol for Supporting Mobile Sinks in Wireless Sensor Networks
Expected Area-Based Real-Time Routing Protocol for Supporting Mobile Sinks in Wireless Sensor Networks Open
To deliver real-time data within a desired time deadline, a spatiotemporal approach has been proposed in wireless sensor networks. In the approach, real-time data can be delivered with a delivery speed calculated by both the distance from …
View article: RSU-Aided Optimal Member Replacement Scheme with Improved Mobility Prediction for Vehicular Clouds in VANETs
RSU-Aided Optimal Member Replacement Scheme with Improved Mobility Prediction for Vehicular Clouds in VANETs Open
The technique of vehicular clouds is considered an attractive approach in VANETs, because it provides a requester vehicle the ability to use resources of neighborhood vehicles (called cloud member vehicles) to construct a vehicular cloud t…
View article: Design and Evaluation of Schemes for Replacing Multiple Member Vehicles in Vehicular Clouds
Design and Evaluation of Schemes for Replacing Multiple Member Vehicles in Vehicular Clouds Open
Vehicular clouds are considered an attractive approach to provide various services such as safety and entertainment applications by sharing resources between vehicles. Due to the free mobility of vehicles, vehicular clouds need to reconstr…
View article: Optimized Distributed Proactive Caching Based on Movement Probability of Vehicles in Content-Centric Vehicular Networks
Optimized Distributed Proactive Caching Based on Movement Probability of Vehicles in Content-Centric Vehicular Networks Open
Content-centric vehicular networks (CCVNs) have considered distributed proactive caching as an attractive approach for the timely provision of emerging services. The naïve caching schemes cache all of the contents to only one selected road…
View article: Cost-Efficient and Reliable Communication Scheme for Supporting a Mobile Device in WirelessHART of IIoT
Cost-Efficient and Reliable Communication Scheme for Supporting a Mobile Device in WirelessHART of IIoT Open
In IIoT, WirelessHART is one of the reliable wireless network standards since it can improve the productivity and efficiency. Recently, in Industrial area, the enterprise and the researcher have been paid attention to a mobile device, whic…
View article: Particle Swarm Optimization Video Streaming Service in Vehicular Ad-Hoc Networks
Particle Swarm Optimization Video Streaming Service in Vehicular Ad-Hoc Networks Open
Owing to the increasing capabilities of mobile devices and the development of mobile communication techniques in vehicular ad hoc networks (VANETs), mobile multimedia services have focused on supporting high Quality of Service (QoS) and Qu…
View article: Energy-Efficient and Disjoint Multipath Using Face Routing in Wireless Sensor Networks
Energy-Efficient and Disjoint Multipath Using Face Routing in Wireless Sensor Networks Open
In WSNs, multipath is well-known as a method to improve the reliability of packet delivery by making multiple routes from a source node to a destination node. To improve reliability and load-balancing, it is important to ensure that disjoi…
View article: Video Packet Distribution Scheme for Multimedia Streaming Services in VANETs
Video Packet Distribution Scheme for Multimedia Streaming Services in VANETs Open
By leveraging the development of mobile communication technologies and due to the increased capabilities of mobile devices, mobile multimedia services have gained prominence for supporting high-quality video streaming services. In vehicula…
View article: Adaptive Content Precaching Scheme Based on the Predictive Speed of Vehicles in Content-Centric Vehicular Networks
Adaptive Content Precaching Scheme Based on the Predictive Speed of Vehicles in Content-Centric Vehicular Networks Open
Content-Centric Vehicular Networks (CCVNs) are considered as an attractive technology to efficiently distribute and share contents among vehicles in vehicular environments. Due to the large size of contents such as multimedia data, it migh…
View article: Energy-Efficient and Reliable Face-Routing Scheme in Wireless Networks
Energy-Efficient and Reliable Face-Routing Scheme in Wireless Networks Open
Face-routing is one of the reliable recovery schemes when geographic routing fails to transmit data packets. Although studies on face-routing can overcome the failure of the data transmission, they lead to much energy consumption due to fr…
View article: Large-Scale Object Monitoring in Internet-of-Things: Energy-Efficient Perspectives
Large-Scale Object Monitoring in Internet-of-Things: Energy-Efficient Perspectives Open
Recently, the demand for monitoring a certain object covering large and dynamic scopes such as wildfires, glaciers, and radioactive contaminations, called large-scale fluid objects (LFOs), is coming to the fore due to disasters and catastr…