Sung Won Kim

Sung Won Kim
Yeungnam University · Department of Information and Communication Engineering

PhD

About

78
Publications
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1,706
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Introduction

Publications

Publications (78)
Article
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The healthcare Internet of Things (H-IoT) is an interconnection of devices capable of sensing and transmitting information that conveys the status of an individual’s health. The continuous monitoring of an individual’s health for disease diagnosis and early detection is an important application of H-IoT. Ambient assisted living (AAL) entails monito...
Article
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Softwares are involved in all aspects of healthcare, such as booking appointments to software systems that are used for treatment and care of patients. Many vendors and consultants develop high quality software healthcare systems such as hospital management systems, medical electronic systems, and middle-ware softwares in medical devices. Internet...
Article
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In the past decades, unmanned aerial vehicles (UAVs), also known as drones, have drawn more attention in the academic domain and exploration in the research fields of wireless sensor networks (WSNs). Moreover, applications of drones aid operations related to military support, agriculture industry, and smart Internet-of-Things (IoT). Currently, the...
Article
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Network-on-chip (NoC) is replacing the existing on-chip communication mechanism in the latest, very-large-scale integration (VLSI) systems because of their fault tolerant design. However, in addition to the design challenges, NoC systems require a mechanism for proper application mapping in order to produce maximum benefits in terms of application-...
Article
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The phenomenal growth of smartphones and wearable devices has begun crowd-sourcing applications for the Internet of Things (IoT). E-healthcare is considered the essential service for crowd-sourcing IoT applications that help remote access or storage medical server (MS) data to the authorized doctors, patients, nurses, etc., via the public Internet....
Article
Internet of Things (IoT) networks are key to the realization of modern industries and societies. A key application of IoT is in smart-grid communications. Smart-grid networks are resource-constrained in terms of computing power and energy capacity. Similarly, the wireless links between devices are typically associated with high packet loss rates, l...
Article
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The 5G and beyond-5G (B5G) is expected to be a key enabler for Internet-of-Everything (IoE). The narrowband Internet of Things (NB-IoT) is a low-power wide-area enabling technology introduced by the 3rd Generation Partnership in 5G. The objective of the NB-IoT is to enhance the mobile coverage area by increasing the number of repetitions of control...
Article
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Cognition is of paramount importance in modern communication systems for this brings the potential for adaptiveness and self-fine-tuning for dynamic reconfigurability. To achieve this feat, two primary tasks are to identify the influential configurable parameters and availability of comprehensive datasets representative of the real-world scenarios...
Technical Report
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The COVID-19 epidemic, and the recent related waves of variant outbreaks, have had a significant impact on every field of life. One of the major impacts of COVID is the increased stress on the already exhausted healthcare system. Tactile healthcare is revolutionizing healthcare systems. The 5G and Beyond-5G (B5G) technologies are expected to enable...
Article
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Low power wide area networks (LPWAN) are comprised of small devices having restricted processing resources and limited energy budget. These devices are connected with each other using communication protocols. Considering their available resources, these devices can be used in a number of different Internet of Things (IoT) applications. Another inte...
Chapter
The exponential increase in wireless data traffic is intensifying human-machine interaction. Imperceptible diagnostics, ubiquitous monitoring, and the availability of digital assistive systems are conceptualized as essential milestones in revolutionizing the modes, by which the Internet of Things (IoT) is transforming healthcare applications. This...
Patent
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The International Telecommunication Union (ITU) classifies the heterogeneous traffic of 5th Generation (5G) cellular network into three categories that is Enhance Mobile Broadband (eMBB), Ultra-Reliable and Low Latency Communication (URLLC), and massive machine-type communication (mMTC). The requirements of heterogeneous traffic vary in the context...
Article
The 5th Generation (5G) and Beyond 5G (B5G) are expected to be the enabling technologies for Internet-of-Everything (IoE). The quality-of-service (QoS) for IoE in the context of uplink data delivery of the content is of prime importance. The 3rd Generation Partnership Project (3GPP) standardizes the Narrowband Internet-of-Things (NB-IoT) in 5G, whi...
Patent
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A real-time tremor detection and suppression system that utilizes deep learning to detect tremors and deep brain stimulation for suppressing them.
Article
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The Internet of Things (IoT) has numerous applications in every domain, e.g., smart cities to provide intelligent services to sustainable cities. The next-generation of IoT networks is expected to be densely deployed in a resource-constrained and lossy environment. The densely deployed nodes producing radically heterogeneous traffic pattern causes...
Article
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Quality of service (QoS) implementation in a wireless local area network (WLAN) enables the prediction of network performance and utilization of effective bandwidth for multimedia applications. In QoS-supported WLAN, enhanced distributed channel access (EDCA) adjusts back-off parameters to implement priority-based channel access at the medium acces...
Article
Full-text available
The next generation of the Internet of Things (IoT) networks is expected to handle a massive scale of sensor deployment with radically heterogeneous traffic applications, which leads to a congested network, calling for new mechanisms to improve network efficiency. Existing protocols are based on simple heuristics mechanisms, whereas the probability...
Article
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Imperceptible latency, uninterrupted communication, and the availability of inexhaustible bandwidth are conceptualized as essential milestones to revolutionize the modes by which societies generated, circulate, receive, and perceive information. The exponential increase in wireless data traffic has raised concerns to investigate suitable bands in t...
Chapter
Smart City and sensing platforms are considered some of the most significant topics in the Internet of Things (IoT). Sensors are at the heart of the IoT, and their development is a key issue if such concepts are to achieve their full potential. This book addresses the major challenges in realizing smart city and sensing platforms in the era of the...
Article
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With the immersive growth of the Internet of Things (IoT) and real-time adaptability, quality of life for people is improving. IoT applications are diverse in nature and one crucial aspect of it is multimedia sensors and devices. These IoT multimedia devices form the Internet of Multimedia Things (IoMT). It generates a massive volume of data with d...
Chapter
Since the past few years, the vehicular network has gained significant attention because of its powerful potential applications such as traffic management, surveillance, and safety. The modern vehicles are equipped with smart sensors, actuators, and efficient communication devices such as GPS and embedded hardware. The vehicular network potential a...
Article
Full-text available
The impact of the Internet of Things (IoT) on the advancement of the healthcare industry is immense. The ushering of the Medicine 4.0 has resulted in an increased effort to develop platforms, both at the hardware level as well as the underlying software level. This vision has led to the development of Healthcare IoT (H-IoT) systems. The basic enabl...
Article
Full-text available
In a real network deployment, the diverse sensor applications generate a heterogeneous traffic pattern which may include basic sensing measurements such as temperature readings or high-volume multimedia traffic. In a heterogeneous traffic network, the two standardized objective functions (OFs), i.e., objective function zero (OF0) and the Minimum Ra...
Article
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The immense increase in multimedia-on-demand traffic that refers to audio, video, and images, has drastically shifted the vision of the Internet of Things (IoT) from scalar to Multimedia Internet of Things (M-IoT). IoT devices are constrained in terms of energy, computing, size, and storage memory. Delay-sensitive and bandwidth-hungry multimedia ap...
Chapter
Full-text available
Wireless local area networks (WLANs) are widely deployed for Internet-centric data applications. Due to their extensive norm in our day-to-day wireless-enabled life, WLANs are expected to play a vital role for Internet of Things (IoT). It is predicted that by 2020, about 50 billion devices (things) will be connected via IoT. Consequently, WLANs nee...
Article
The emergence of Internet of Things (IoT) has increased number of connected devices and consequently transmitted traffic over the Internet. In this regard, Long Term Evolution (LTE) is growing its utilization in unlicensed spectrum as well, and Licensed Assisted Access (LAA) technology is one of the examples. However, unlicensed spectrum is already...
Article
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Information dissemination in current Vehicular Sensor Networks (VSN) depends on the physical location in which similar data is transmitted multiple times across the network. This data replication has led to several problems, among which resource consumption (memory), stretch, and communication latency due to the lake of data availability are the mo...
Article
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LoRa is a long-range, low power and single-hop wireless technology that has been envisioned for Internet of Things (IoT) applications having battery driven nodes. Nevertheless, increase in number of end devices and varying throughput requirements impair the performance of pure Aloha in LoRaWAN. Considering these limitations, we evaluate the perform...
Article
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Abstract One of the key applications for the Internet of Things (IoT) is the eHealth service that targets sustaining patient health information in digital environments, such as the Internet cloud with the help of advanced communication technologies. In eHealth systems, wireless networks, such as wireless local area networks (WLAN), wireless body se...
Conference Paper
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To enable the internet of things (IoT) devices with increased coverage and optimized power consumption, the 3 rd generation partnership (3GPP) standardizes the idea of narrow-band IoT (NB-IoT) technology in the fifth generation (5G) of cellular communication. Re-transmission of control and data packets due to a poor link between user equipment (UE)...
Article
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A wireless sensor network (WSN) has achieved significant importance in tracking different physical or environmental conditions using wireless sensor nodes. Such types of networks are used in various applications including smart cities, smart building, military target tracking and surveillance, natural disaster relief, and smart homes. However, the...
Article
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Internet of Things (IoT) is one of the dominating paradigms of the new era with its abilities of providing ubiquitous intelligence and pervasive interconnections to diverse physical objects. With the advancements such as new generation 5G communication and cloud/edge computing based paradigms the degree of domination is expected to further increase...
Article
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In the telecom sector, a huge volume of data is being generated on a daily basis due to a vast client base. Decision makers and business analysts emphasized that attaining new customers is costlier than retaining existing ones. Business analysts and Customer Relationship Management (CRM) analyzers need to know the reasons for churn customers as wel...
Article
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Internet of Things (IoT) is rapidly growing and contributing drastically to improve the quality of life. Immense technological innovations and growth is a key factor in IoT advancements. Readily available low cost IoT hardware is essential for continuous adaptation of IoT. Advancements in IoT Operating System (OS) to support these newly developed I...
Article
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The potential applications of deep learning (DL) to the media access control (MAC) layer of wireless local area networks (WLANs) have already been progressively acknowledged due to their novel features for future communications. Their new features challenge conventional communications theories with more sophisticated artificial intelligence (AI)-ba...
Article
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The Fifth generation (5G) network is projected to support large amount of data traffic and massive number of wireless connections. Different data traffic has different Quality of Service (QoS) requirements. 5G mobile network aims to address the limitations of previous cellular standards (i.e., 2G/3G/4G) and be a prospective key enabler for future I...
Article
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Recently, the Internet of Things (IoT) concept has attracted a lot of attention due to its capability to translate our physical world into a digital cyber world with meaningful information. The IoT devices are smaller in size, sheer in number, contain less memory, use less energy, and have more computational capabilities. These scarce resources for...
Article
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Standardization and technology advancements have helped the realization of the Internet of things (IoT). The availability of low-cost IoT devices has also played a key role in furthering IoT research, development, and deployment. IoT operating systems (OSs) provide integration of software and hardware components. The availability of standard protoc...
Article
Internet of things (IoT) constitutes networked devices that can gather and exchange information. The scarcity of the available spectrum used by a large number of devices in IoT is a challenge. Spectrum scarcity changes the whole paradigm of spectrum access in order to increase utilization of the limited resource. Cognitive radio ad hoc sensor netwo...
Article
Exponential increase in wireless data demands and limited nature of licensed spectrum for cellular network has motivated the consideration of unlicensed bands for LTE operation, which is referred as Licensed-Assisted Access (LAA). However, unlicensed bands are also occupied by Wireless Local Area Networks (WLAN), specifically IEEE 802.1 la/n/ac tec...
Article
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Cognitive radio wireless sensor networks (CR-WSNs) have attracted a great deal of attention recently due to the emerging spectrum scarcity issue. This work attempts to provide a detailed analysis of the role of node clustering in CR-WSNs. We outline the objectives, requirements, and advantages of node clustering in CR-WSNs. We describe how a CR-WSN...
Article
This study elaborates on current trends in the trading of agricultural products in Nepal and the possibility of implementing ICT for this trading to increase farmers' income. The results show large price differences in agricultural products across regions because of the insufficient exchange of information and a lack of an e-business platform. The...
Article
The wireless sensor network (WSN) is an interesting area for modern day research groups. Tiny sensor nodes are deployed in a diversity of environments but with limited resources. Scarce resources compel researchers to employ an operating system that requires limited memory and minimum power. Tiny operating system (TinyOS) is a widely used operating...
Conference Paper
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Wireless LANs are widely deployed for internet-centric data applications. It is predicted that by the 2018, about two thirds of the World's internet traffic will be video and more than half of the traffic will be offloaded to the Wi-Fi networks. Consequently, WLANs need major improvements in both throughput and efficiency. New technologies are cont...
Article
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This work was supported by the 2015 Yeungnam University Research Grant. Finally, we thank all the authors who submitted their work to this special issue and many experts who participated in the review process. We expect that this issue will certainly help researchers, academicians, practitioners, and industrialists to realize the recent advances an...
Article
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The inefficient assignment of spectrum for different communications purposes, plus technology enhancements and ever-increasing usage of wireless technology is causing spectrum scarcity. To address this issue, one of the proposed solutions in the literature is to access the spectrum dynamically or opportunistically. Therefore, the concept of cogniti...
Conference Paper
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The main purpose of designing the Stream Control Protocol (SCTP) is to offer a robust transfer of traffic between the hosts over the network. For this reason SCTP multi-homing feature is designed, in which an SCTP sender can access destination host with multiple IP addresses in the same session. This paper introduces the effect of different network...
Article
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This paper proposes a cross-layer-based routing protocol for mobile ad hoc cognitive radio networks. The routing layer receives the spectrum-availability-related information from the medium access control layer and selects the next hop node on the route according to the spectrum information. This paper examines the expectation of channel switching...
Article
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Biological schemes provide useful resources for designing adaptive routing protocols for wireless sensor networks (WSNs). The key idea behind using bioinspired routing is to find the optimal path to the destination. Similarly, the idea of opportunistic routing (OR) is to find the least number of hops to deliver the data to the destination. Numerous...
Article
The convergence of several digital industries into one has produced new business opportunities. Digital convergence business has existed since the advent of e-business. This study considers digital convergence business from various perspectives and examines its current trends and consequences. The study evaluates the factors attracting customers to...
Article
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This research was supported in part by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2013R1A1A2005692) and by the 2014 Yeungnam University Research Grant. Finally, we appreciate all authors, reviewers, and editorial members for their invaluable contribution and suppor...
Conference Paper
The introduction of new technologies to meet the growing demands of multimedia traffic is on the rise. To cope with this challenge, efficient mechanism is required on all TCP/IP layers. Therefore, this paper studies the performance of routing protocols over Wi-Media ultra-wideband (UWB). The objective of this study is to determine which routing pro...
Article
The purpose of this study is to identify the critical success factors in the adoption of ubiquitous supply chain management systems and to examine their relationships with organizational performance. Based on a literature review and interviews with managers from Korean firms, the study compiles a list of 12 critical success factors consisting of 63...
Article
Multicast is a more efficient method of supporting group communication than unicast, as it allows transmission to multiple destinations using fewer network resources. The demands for video multicast have been increasing rapidly with the improvements in multimedia technologies. Therefore, the reliable delivery of video frames is an important task. R...
Article
Establishment of trust is important in wireless sensor networks for security enhancement and successful collaboration. Basically, a node establishes trust with other nodes by estimating a trust value based on monitored behavior of the other nodes. Since a malicious/misbehaving node might launch different attack strategies and might demonstrate rand...
Article
Rendezvous is a process of two or more cognitive radio nodes gathering on the same channel at the same time for a negotiation to establish data communications. This paper discusses rendezvous issues in cognitive radio networks. It details why rendezvous is an issue in cognitive radio networks and how rendezvous works. It classifies channel access m...