Search results for: Ki Il Kim

Items from 1 to 20 out of 51 results

article

Editorial on “Special issue on fog computing for healthcare”

Ki-Il Kim, Sana Ullah, Christos Verikoukis, Han-Chieh Chao

Peer-to-Peer Networking and Applications > 2019 > 12 > 5 > 1214-1215

This article is part of the Topical Collection: Special Issue on Fog Computing for Healthcare Guest Editors: Han-Chieh Chao, Sana Ullah, Christos Verikoukis, and Ki-Il Kim

article

An Efficient Real-Time Data Dissemination Multicast Protocol for Big Data in Wireless Sensor Networks

Beom-Su Kim, Monther Aldwairi, Ki-Il Kim

Journal of Grid Computing > 2019 > 17 > 2 > 341-355

As data source for Big Data, wireless sensor networks play great role in data collection and dissemination. Specially, real-time communication remains one of the crucial research challenges, because of the high complexity and severe networking requirements on restrained node in wireless sensor networks. Moreover, current schemes are assumed to take general traffic model for real-time delivery so they...

article

Adaptive Forwarding Scheme for Bounded Time Constraint in Delay Tolerant Networks

Ali Abbas, Babar Shah, Ki-Il Kim

Wireless Personal Communications > 2017 > 96 > 2 > 1803-1817

In parallel with lots of research to improve message delivery rate in Delay Tolerant Networks (DTN), additional application specific requirements are demanded to deploy them in the real world. Among many requirements, we focus on desired delivery ratio within required deadline in DTN. To achieve this, we propose an adaptive forwarding algorithm primarily based on well-known DTN algorithm, Spray and...

chapter

Development of data collecting system for forecasting with meteorological sensors

Ever Enrique Castillo Osorio, SeokYoon Kang, Bum-Su Kim, JoHo Lim, more

2017 International Conference on Information Networking (ICOIN) > 453 - 456

2017 International Conference on Information Networking (ICOIN)

As one of sensor applications, meteorological service collects information for weather and uses it for preventing disaster risk. To achieve this, data from sensor networks must be integrated with communication and data processing system. In this paper, we present a specific web-based application with mobile networks to transmit weather data timely by introducing forecasting system. We implement central...

chapter

A mobility-based temperature-aware routing protocol for Wireless Body Sensor Networks

Beom-Su Kim, SeokYoon Kang, JuHo Lim, Kyong Hoon Kim, more

2017 International Conference on Information Networking (ICOIN) > 63 - 66

2017 International Conference on Information Networking (ICOIN)

A large number of temperature-aware routing algorithms have been proposed to prevent the damage of surrounding tissues caused by temperature rise in wireless body sensor network. But, since the existing temperature-aware routing algorithms for WBSN have not taken account of human postural mobility, large of packet are lost due to topological partitioning. To solve this problem, in this paper, we propose...

chapter

Sink-Independent Model in Wireless Sensor Networks

Sang-Sik Kim, Kwang-Ryul Jung, Ki-Il Kim, Ae-Soon Park

Lecture Notes in Computer Science > Computational Science – ICCS 2007 > 745-752

Wireless sensor networks generally have three kinds of objects: sensor nodes, sinks, and users that send queries and receive data via the sinks. In addition, the user and the sinks are mostly connected to each other by infrastructure networks. The users, however, should receive the data from the sinks through multi-hop communications between disseminating sensor nodes if such users move into the sensor...

chapter

A Framework to Enhance Packet Delivery in Delay Bounded Overlay Multicast

Ki-Il Kim, Dong-Kyun Kim, Sang-Ha Kim

Lecture Notes in Computer Science > Information Networking. Convergence in Broadband and Mobile Networking > Routing > 223-232

Overlay multicast has been proposed as an alternative scheme to provide one-to-many or many-to-many data delivery on Internet. However, since data delivery is entirely dependent on replications on each group member, if one member cannot receive a data packet, none of its children can receive that packet. Furthermore, the higher the member’s level is, the more nodes cannot also receive data packet...

chapter

Hierarchical Overlay Data Delivery Tree Construction Adopting Host Group Model and Topology-Awareness

Dong-Kyun Kim, Ki-Il Kim, Il-Sun Hwang, Sang-Ha Kim

Lecture Notes in Computer Science > Information Networking. Networking Technologies for Broadband and Mobile Networks > High-Speed Network Technologies > 595-605

We propose a scheme for hierarchical overlay multicast based on IP topology awareness and host group model called PAM (Practical topology-Aware overlay Multicast). PAM is remarkably different from the previous overlay multicast or ALM (Application Layer Multicast) schemes in the following aspects. First, instead of end-host, DR (Designated Router) builds overlay DDT (Data Delivery Tree) by adopting...

chapter

Performance Evaluation of MINTRoute Protocol at Different Scenarios

Ki-Il Kim, Min-Jung Baek

Lecture Notes in Computer Science > Convergence and Hybrid Information Technology > Communications and Networking > 9-15

Due to natural weakness of sensor node in the point of wireless communications, reliable data delivery becomes one of the major challenges in wireless sensor networks. To handle this problem, many schemes in each layer have been proposed in the several literatures. Among those, MintRoute protocol is designed to achieve high reliability by choosing the best qualified path which is mainly measured by...

article

Real-time routing protocols for (m,k)-firm streams based on multi-criteria in wireless sensor networks

Mohammad Abdul Azim, Beom-Su Kim, Babar Shah, Ki-Il Kim

Wireless Networks > 2017 > 23 > 4 > 1233-1248

Even though some velocity based routing protocols for (m,k)-firm stream have been recently proposed in multimedia wireless sensor networks, there are still many perspective parameters to be considered for forwarding procedure. Moreover, since they are not correlated with each other, multi-criteria system for forwarding is desirable to select next hop. However, current existing protocols apply these...

chapter

Implementation of Display Based on Pilot Preference

Chung-Jae Lee, Jin Seob Yi, Ki-Il Kim

Communications in Computer and Information Science > Software Engineering, Business Continuity, and Education > 461-466

As the many functions on the aircraft are implemented through software, they provide the pilots with more flexible and extensible controls. Among them, display is one of the important instruments in that information on the aircraft is recognized through it. While previous display was static with fixed layout, a new display is dynamic by employing floating layout on the screen through the help of software...

article

An architecture for (m, k)-firm real-time streams in wireless sensor networks

ChungJae Lee, Babar Shah, Ki-Il Kim

Wireless Networks > 2016 > 22 > 1 > 69-81

Despite increasing demand of application specific requirements in wireless sensor networks, lots of research is still going on under assumption of general requirement without considering specific traffic model as well as several constraints. To address this issue, we have already introduced a new real-time application with (m, k)-firm model and developed communication protocols for multimedia sensor...

chapter

Software Architecture for Open Source Based Flight Simulator

Chung Jae Lee, Seok Yoon Kang, Kyong Hoon Kim, Seog Geun Kang, more

2015 4th International Conference on Modeling and Simulation (MAS) > 21 - 24

2015 4th International Conference on Modeling and Simulation (MAS)

A flight simulator is usually developed to verify the operations of aircraft and train the pilot through it. For this goal, it is necessary to include a variety of functions. In this paper, we propose system and software architecture for flight simulator. We define major function of each module and present the implementation result.

chapter

Beaconless Geographic Routing Protocol with Adaptive Delay Timer in Wireless Sensor Networks

Jeongcheol Lee, SeokYoon Kang, ChungJae Lee, Kyong Hoon Kim, more

2015 IEEE International Conference on Computer and Information Technology; Ubiquitous Computing and Communications; Dependable, Autonomic and Secure Computing; Pervasive Intelligence and Computing > 1069 - 1073

Even though geographical routing protocol is regarded to energy-efficient and scalable approach in wireless sensor networks, position information through beacon messages should be exchanged prior to forwarding procedure. This is another control overhead when it comes to consider node's constraints. Thus, recently beacons graphical routing have been proposed to perform data forwarding without information...

chapter

A fuzzy logic scheme for real-time routing in wireless sensor networks

Babar Shah, Asad Masood Khattak, Ki-Il Kim

2015 6th International Conference on Computing, Communication and Networking Technologies (ICCCNT) > 1 - 7

2015 6th International Conference on Computing, Communication and Networking Technologies (ICCCNT)

Real-time communications is still remain a major research challenge due to the limited energy supply, limited computing power, and limited bandwidth of the wireless links connecting sensor nodes in wireless sensor networks (WSNs). Due to these limitations, sensor nodes are not powerful enough to accommodate the complexity of the real-time WSNs protocol. In real-time WSNs, to increase reliability of...

chapter

New feasible grouping algorithms for virtual link in AFDX networks

YoungJun Cha, JuHo Lim, SunYoung Lee, DongJin Kim, more

2015 International Conference on Informatics, Electronics & Vision (ICIEV) > 1 - 4

2015 International Conference on Informatics, Electronics and Vision (ICIEV)

As the Avionics Full-Duplex Switched Ethernet network has been employed for airborne data networks, most of related research work has mainly focused on the analysis of delay and jitter between the end systems with predetermined configuration. However, due to assumption on preconfigured virtual links, their optimal solutions seem unsuitable for implementation. This implies that configuration problem...

chapter

Three Dimensional Cloud Modeling Approach Based on L-System

Seokyoon Kang, Ki-Il Kim

2015 3rd International Conference on Computer, Information and Application > 7 - 9

2015 3rd International Conference on Computer, Information and Application (CIA)

Typical methods for cloud modeling in simulation software are usually classified into static and dynamic modeling. While static modeling is accomplished by modeling tool such as 3ds max, dynamic modeling is implemented by particle system. In the former one, it is very hard to create a variety of realistic cloud models due to long implementation time. On the other hand, in the dynamic modeling case,...

article

Evaluating revised MintRoute protocol in wireless sensor networks

Ki‐Il Kim, Tae‐Eung Sung

Wireless Communications and Mobile Computing > 15 > 3 > 431 - 441

A small device‐based, low‐rate, short‐range wireless radio communication often hampers high reliability in wireless sensor networks. However, more applications are increasingly demanding high reliability. For this requirement to be met, various approaches have been proposed in a layered manner. Among those, MintRoute is a well‐known network layer approach to develop a new metric based on link quality...

article

Modeling and routing scheme for (m, k)‐firm streams in wireless multimedia sensor networks

Ki‐Il Kim, Tae‐Eung Sung

Wireless Communications and Mobile Computing > 15 > 3 > 475 - 483

In this paper, we propose a novel scheme of how to efficiently and reliably deliver multimedia real‐time streams in wireless sensor networks. To specify the property of streams, a multimedia stream is modeled as an (m,k)‐firm stream that is known to have the characteristics of weakly hard real‐time system. In addition, a distributed, measurement‐based routing scheme for (m,k)‐firm streams is newly...

chapter

A new hybrid culling scheme for flight simulator

Chungjae Lee, Seok-Yoon Kang, Kyong Hoon Kim, Ki-Il Kim

2014 IEEE/AIAA 33rd Digital Avionics Systems Conference (DASC) > 1 - 7

2014 IEEE/AIAA 33rd Digital Avionics Systems Conference (DASC)

In flight simulator, real-time rendering system processes most of scenarios at high altitude. Therefore, overload process of real-time rendering system tends to ignore altitude distinction through applying only view-frustum culling. However, even though the flight of the aircraft operates at high altitude, but dynamic culling according to altitude is demanded because of several situations such as...

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WIRELESS SENSOR NETWORKS (16)
ROUTING (10)
ROUTING PROTOCOLS (8)
PROTOCOLS (7)
AD HOC NETWORKS (4)
DELAY (4)
MANET (4)
MOBILE AD HOC NETWORKS (4)
REAL-TIME (4)
RELIABILITY (4)
AIRCRAFT (3)
DELAYS (3)
MOBILE RADIO (3)
TELECOMMUNICATION NETWORK TOPOLOGY (3)
TELECOMMUNICATION TRAFFIC (3)
(M, K)-FIRM (2)
(M, K)-FIRM STREAM (2)
(M,K)-FIRM (2)
BOUNDED DELAY (2)
DATA COMMUNICATION (2)
DTN (2)
FUZZY LOGIC (2)
GEOGRAPHICAL ROUTING (2)
MINTROUTE (2)
MOBILE AD HOC NETWORK (2)
MOBILE COMMUNICATION (2)
MOBILE COMPUTING (2)
MULTICAST (2)
QUALITY OF SERVICE (2)
REAL TIME SYSTEMS (2)
REAL-TIME SYSTEMS (2)
ROUTING PROTOCOL (2)
SCHEDULING (2)
SENSORS (2)
TELECOMMUNICATION NETWORK RELIABILITY (2)
WIRELESS COMMUNICATION (2)
WIRELSS SENSOR NETWORKS (2)
(M (1)
(M, K)-FIRM MODEL (1)
(M,K)‐FIRM (1)
3D GEOGRAPHIC INFORMATION (1)
AFDX (1)
AIR TRAFFIC CONTROL (1)
AIRBORNE AD HOC NETWORKS (1)
AIRBORNE NETWORKS (1)
AIRCRAFT AD HOC NETWORKS (1)
AIRCRAFT COMMUNICATION (1)
ANALYTICAL HIERARCHICAL PROCESS (AHP) (1)
ANALYTICAL MODELS (1)
APPLICATION LAYER MULTICAST SCHEME (1)
BANDWIDTH ALLOCATION (1)
BANDWIDTH AWARE OVERLAY MULTICAST ARCHITECTURE (1)
BASE PROTOCOL (1)
BATTERIES (1)
BODY SENSOR NETWORKS (1)
BOUNDING BOX (1)
BROADCASTING (1)
CLOUD (1)
COGNITIVE RADIO (1)
COGNITIVE RADIO NETWORKS (1)
COMPOSITIONAL HIERARCHICAL MODEL (1)
CONGESTION CONTROL (1)
COOPERATIVE DIVERSITY (1)
DATA DELIVERY TREE (1)
DATA PACKETS TRANSMISSION (1)
DATA TRANSMISSION (1)
DATA-CENTRIC ROUTING ALGORITHMS (1)
DATABASE (1)
DATABASES (1)
DELAY TOLERANT NETWORKS (1)
DESIGNATED ROUTER (1)
DISPLAY (1)
DISSEMINATING SENSOR NODES (1)
DISTANCE (1)
DISTANCE BASED PRIORITY (1)
DYNAMIC TOPOLOGY (1)
END-TO-END DELAY (1)
ENERGY CONSUMPTION (1)
ENERGY DETECTION (1)
EPIDEMIC ROUTING (1)
EUCLIDEAN DISTANCE (1)
FADING (1)
FAULT RECOVERY (1)
FLIGHT SIMULATO (1)
FORECASTING (1)
FREQUENCY DIVERSITY (1)
FREQUENCY REUSE (1)
FUZZY CONTROLLER (1)
FUZZY INTERFERENCE SYSTEM (1)
GEOGRAPHIC INFORMATION SYSTEMS (1)
GEOGRAPHICAL INFORMATION (1)
GLOBAL POSITIONING SYSTEM (1)
GNUTELLA (1)
GRAY RELATIONAL ANALYSIS (GRA) (1)
GROUPING (1)
GUARANTEED NETWORK LIFETIME (1)
HETEROGENEOUS NETWORKS (1)
HEURISTIC ALGORITHMS (1)
HIERARCHICAL OVERLAY MULTICAST (1)
HIERARCHICAL ROUTING PROTOCOL (1)
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INFONA - science communication portal

Search results for: Ki Il Kim

Editorial on “Special issue on fog computing for healthcare”

An Efficient Real-Time Data Dissemination Multicast Protocol for Big Data in Wireless Sensor Networks

Adaptive Forwarding Scheme for Bounded Time Constraint in Delay Tolerant Networks

Development of data collecting system for forecasting with meteorological sensors

A mobility-based temperature-aware routing protocol for Wireless Body Sensor Networks

Sink-Independent Model in Wireless Sensor Networks

A Framework to Enhance Packet Delivery in Delay Bounded Overlay Multicast

Hierarchical Overlay Data Delivery Tree Construction Adopting Host Group Model and Topology-Awareness

Performance Evaluation of MINTRoute Protocol at Different Scenarios

Real-time routing protocols for (m,k)-firm streams based on multi-criteria in wireless sensor networks

Implementation of Display Based on Pilot Preference

An architecture for (m, k)-firm real-time streams in wireless sensor networks

Software Architecture for Open Source Based Flight Simulator

Beaconless Geographic Routing Protocol with Adaptive Delay Timer in Wireless Sensor Networks

A fuzzy logic scheme for real-time routing in wireless sensor networks

New feasible grouping algorithms for virtual link in AFDX networks

Three Dimensional Cloud Modeling Approach Based on L-System

Evaluating revised MintRoute protocol in wireless sensor networks

Modeling and routing scheme for (m, k)‐firm streams in wireless multimedia sensor networks

A new hybrid culling scheme for flight simulator

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