23 Result(s)
within
Ki Hyung Kim
Computer Science
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Article
LABILE: link quAlity-based lexIcaL routing mEtric for reactive routing protocols in IEEE 802.15.4 networks
In this paper, we propose a lexical routing metric to enable path-wise link quality-aware routing in Wireless Sensor Networks (WSNs). The realization of this routing metric is achieved by applying the indexing...
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Chapter
Ubiquitous Korea Project
This chapter consists of four sections. Each section introduces a major project related with ubiquitous computing technology which has been conducted by Korean government. In the second section, we introduce U...
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Chapter and Conference Paper
Remote Configuration Mechanism for IP Based Ubiquitous Sensor Networks
Wireless Sensor Networks (WSNs) are becoming increasingly important because of their reduced cost and a range of real world applications. IP connectivity to WSNs has enabled ubiquity of devices. 6LoWPAN networ...
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Chapter and Conference Paper
A Comparative Analysis of PKC and Semi-PKC Based Key Management Schemes for Hierarchical Sensor Networks
Symmetric key cryptography (SKC) based solutions for key management in wireless sensor networks have security shortcomings. A more secure solution demands the use of public key cryptography (PKC) based key man...
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Chapter and Conference Paper
Route Error Reporting Schemes for On-Demand Routing in 6LoWPAN
Due to their rapid growth and new paradigm applications, wireless sensor networks are morphing into low power personal area networks (LoWPANs), which are envisioned to grow radically. To achieve higher degrees...
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Chapter and Conference Paper
HYWINMARC: An Autonomic Management Architecture for Hybrid Wireless Networks
The envisioned realization of ubiquity has resulted into the emergence of new kinds of the hybrid networks. The modern hybrid networks, e.g. combination of wireless mesh and Mobile Ad-hoc Networks (MANETs), he...
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Chapter and Conference Paper
Mitigating Broadcast Storms in Stateless Address Auto-configuring MANETs
MANETs that form user groups on the fly may never undergo predeployment address configuration. The stateless autoconfiguration capability is therefore essential to the spontaneity of such community networks. O...
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Chapter and Conference Paper
GARPAN: Gateway-Assisted Inter-PAN Routing for 6LoWPANs
IEEE802.15.4 devices are all geared up for deployment as sensor net-orks that are ubiquitous yet cost effective. An emphasis on kee** costs down results into sensor networks that do not warrant high connecti...
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Chapter and Conference Paper
Autonomic Network Management for Wireless Mesh and MANETs
The realization of the envisioned ubiquitous computing paragon has resulted into new breeds of hybrid networks, e.g., u-Zone [1]. In u-Zones, a high-speed wireless mesh is used as the backbone—allowing MANETs ...
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Chapter and Conference Paper
Proxy-Based Service Discovery and Network Selection in 6LoWPAN
Low Power Wireless Personal Area Networks (LoWPANs) have emerged as a catalyst technology for the realization of envisioned ubiquitous paragon. Considerable efforts are being carried on to integrate these LoWP...
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Chapter and Conference Paper
On the Effect of Heterogeneous Traffic Sources on the Network Availability for Wireless Sensor Grids
Wireless sensor grids are poised for applications where pre-deployment information is highly available to optimize communication and computation costs. Using two widely known grid traversal schemes, we critiqu...
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Chapter and Conference Paper
Are Low PANs a PAN or an Internet of PANs?
ZigBee has recently emerged as a widely recognized forum that is formalizing IEEE802.15.4 devices for interoperability and compatibility amongst a number of vendors and designers. Under the auspices of IETF wo...
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Chapter and Conference Paper
A Proxy-Enabled Service Discovery Architecture to Find Proximity-Based Services in 6LoWPAN
Recent advances in wireless communication and sensor and actuator technologies have played an essential role to realize the envisioned ubiquitous world. Wireless sensor networks (WSNs) have emerged as a great ...
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Chapter and Conference Paper
Binding Multiple Applications on Wireless Sensor Networks
Multiple applications can be invoked simultaneously on single sensor network through pre-emptive or late binding. Triggering multiple applications on sensor networks at a post-deployment stage results into com...
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Chapter and Conference Paper
NETSAQ: Network State Adaptive QoS Provisioning for MANETs
The provision of ubiquitous services in Mobile Ad-hoc Networks (MANETs) is a great challenge, considering the bandwidth, mobility, and computational-resources constraints exhibited by these networks. Incorpora...
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Chapter and Conference Paper
Availability Considerations for Wireless Sensor Grids
In this paper, we derive and analyze network availability for sensor grids by considering an elaborate energy consumption model. Sensor grids that form chain topologies are compared for two widely known grid t...
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Chapter and Conference Paper
Map** Cooperating GRID Applications by Affinity for Resource Characteristics
The Computational Grid, distributed and heterogeneous collections of computers in the Internet, has been considered a promising platform for the deployment of various high-performance computing applications. O...
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Chapter and Conference Paper
Performance of Service Location Protocols in MANET Based on Reactive Routing Protocols
Automatic service discovery, the problem of discovering service providers by specifying desired properties of services, is an important and necessary component for collaboration in the ubiquitous computing env...
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Chapter and Conference Paper
A Web Services-Based Distributed Simulation Architecture for Hierarchical DEVS Models
The Discrete Event Systems Specification (DEVS) formalism specifies a discrete event system in a hierarchical, modular form. This paper presents a web-services-based distributed simulation architecture for DEV...
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Chapter and Conference Paper
Design of a Service Discovery Architecture for Mobility-Supported Wired and Wireless Networks
Automatic service discovery will play an essential role in future network scenario and is an important component for MANET and collaboration in ubiquitous computing environment. This paper proposes a service d...
