Yao‐Chung Chang

ORCID: 0000-0002-2545-8910
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About
Contact & Profiles
Research Areas
  • IoT and Edge/Fog Computing
  • Cloud Computing and Resource Management
  • IPv6, Mobility, Handover, Networks, Security
  • Energy Efficient Wireless Sensor Networks
  • Mobile Agent-Based Network Management
  • Caching and Content Delivery
  • RFID technology advancements
  • Mobile Ad Hoc Networks
  • Software-Defined Networks and 5G
  • Network Traffic and Congestion Control
  • Service-Oriented Architecture and Web Services
  • Opportunistic and Delay-Tolerant Networks
  • Advanced MIMO Systems Optimization
  • Energy Harvesting in Wireless Networks
  • Advanced Wireless Network Optimization
  • IoT Networks and Protocols
  • Wireless Communication Networks Research
  • Bluetooth and Wireless Communication Technologies
  • IoT-based Smart Home Systems
  • Wireless Networks and Protocols
  • Vehicular Ad Hoc Networks (VANETs)
  • Parallel Computing and Optimization Techniques
  • Digital Imaging for Blood Diseases
  • Radiomics and Machine Learning in Medical Imaging
  • Glaucoma and retinal disorders

National Taitung University
2014-2024

Novatek Microelectronics (Taiwan)
2022-2024

National Taiwan University of Science and Technology
2023

Tatung (Taiwan)
2022

University of Stirling
2019

ORCID
2017

National Dong Hwa University
2003-2011

Environmental Protection Administration
2008

National Taiwan University
2008

National Pingtung University of Science and Technology
2008

Congestion control has become a research focus with the development of network communication technology. Random early detection (RED) for queue management techniques is most effective method. However, RED particularly sensitive to traffic load and parameters scheme itself. When low, bandwidth underutilized, whereas when high, delay large. This paper presents minimal adjustment called three-section random (TRED) based on nonlinear RED, in which packet dropping probability function divided...

10.1109/jsyst.2014.2375314 article EN IEEE Systems Journal 2015-01-22

A quantum key distribution (QKD) network is proposed to allow QKD protocols be the infrastructure of Internet for distributing unconditional security keys instead existing public-key cryptography based on computationally complex mathematical problems. Numerous countries and research institutes have invested enormous resources execute correlation studies networks. Thus, in this study, we surveyed practical field experiments summarize results (e.g., type architecture networks, generating rate,...

10.3390/app11093767 article EN cc-by Applied Sciences 2021-04-22

With the progress of network technology in recent years, multimedia streaming applications have become increasingly popular. However, it is difficult to achieve quality service and efficiency for over vehicular networks because high mobility feature. Over existing architecture, immediately analyze status entire network, then establish rules allocation management. novel software-defined networking, offers other options making management more efficient, especially 5G environment. Hence, a...

10.1109/mcom.2017.1601142 article EN IEEE Communications Magazine 2017-08-01

This study proposes a scheme for self-organization management protocols of higher-level nodes to contest member with multi-hop form hierarchical clusters, introduce the "20/80 rule" determining ratio headers nodes, and develop new cluster-based routing protocol that integrates inter-cluster on-demand intra-cluster table-driven applied in sensor networks further consumer applications.

10.1109/tce.2006.1605028 article EN IEEE Transactions on Consumer Electronics 2006-02-01

An air-blown fixed-bed, stratified downdraft biomass gasifier was built to investigate the key operating parameters that affect operational characteristics of a fixed bed. The main purposes this investigation include studying effects operation parameters, such as air flow rate, preheating temperature, air/fuel ratio, and fuel moisture content, on conversion specific gasification producer gas heating value, H/C well cold efficiency hot efficiency. designed operate with in range between 6 18...

10.1021/ef800026x article EN Energy & Fuels 2008-09-18

This work develops a cloud-fog computing architecture for information-centric Internet-of-Things (IoT) applications with job classification and resource scheduling functions. The two designed functions support quality of service (QoS) by classifying IoT resources. An innovative mechanism is developed to optimize the dispatch cloud fog resources at minimum cost in environment. One cloud, three fogs, four types application 2500 tasks are simulation results reveal that proposed outperforms...

10.1109/icasi.2017.7988506 article EN 2017-05-01

In recent years, bicycles have quickly become one of the major urban sports. At same time, with rise Internet Things (IoT), embedded system combine IoT devices are widely used and making computing truly ubiquitous. Although various functions, they fail to provide cyclists sufficient exercise-related information post-exercise analysis. Therefore, this paper introduced a bicycle record ground conditions based on which is combining smartphone system. The event data recorder comprised two parts,...

10.1109/access.2017.2740419 article EN cc-by-nc-nd IEEE Access 2017-01-01

This incredibly rapid adoption of Internet Things (IoT) and e-learning technology, a smart campus provides many innovative applications, such as ubiquitous learning, energy, security services to users via numerous IoT devices. However, more devices are integrated imported, the inadequate network resource caused by sensor data transport video streaming is also significant problem. paper proposes edge computing in hardware-software co-design process. The system employs street lighting...

10.1109/jsyst.2018.2873430 article EN IEEE Systems Journal 2018-10-12

Machine-to-machine (M2M) communication, an automated communications technology for the equipment or devices, holds great promise in every corner of modern society, such as civil transportation, smart homes, grids, and industrial automation. The M2M is still its infancy, further development deployment systems hinges on establishing efficient secure information management system with a satisfactory security level. In this paper, we extend idea (t, n) secret sharing transmission high...

10.1109/tii.2018.2810840 article EN IEEE Transactions on Industrial Informatics 2018-02-28

Due to the climate crisis, energy-saving issues and carbon reduction have become top priority for all countries. Owing increasing popularity of advanced metering infrastructure smart meters, cost acquiring data on residential electricity consumption has substantially dropped. This change promotes analysis consumption, which features both small complicated behaviors, using machine learning an important research topic among various energy saving measures. The main subtopic this subject is...

10.3390/electronics11091450 article EN Electronics 2022-04-30

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPotentiometric Titration of Free Amine and Carbonate in Carbonated Monoethanolamine SolutionsY. -C. ChangCite this: Anal. Chem. 1958, 30, 6, 1095–1097Publication Date (Print):June 1, 1958Publication History Published online1 May 2002Published inissue 1 June 1958https://pubs.acs.org/doi/10.1021/ac60138a028https://doi.org/10.1021/ac60138a028research-articleACS PublicationsRequest reuse permissionsArticle Views476Altmetric-Citations7LEARN ABOUT THESE...

10.1021/ac60138a028 article EN Analytical Chemistry 1958-06-01

Daily life applications of machine‐to‐machine (M2M) communication are constantly increasing. Typically, M2M systems comprise numerous small, cheap and autonomous devices that communicate with each other while monitoring environmental conditions. After their deployment, however, remote entity management a node is still needed for firmware or software updates required bug fixes, functional changes maintenance. Therefore implementing service capability in third generation partnership project...

10.1049/iet-com.2012.0459 article EN IET Communications 2013-01-01

Most of the existing fingerprint identification techniques are unable to distinguish different wireless transmitters, whose emitted signals highly attenuated, long-distance propagating, and strong similarity their transient waveforms. Therefore, this paper proposes a new method identify transmitters based on compressed sensing. A data acquisition system is designed capture transmitter signals. Complex analytical wavelet transform used obtain envelope signal, corresponding features extracted...

10.1155/2014/473178 article EN cc-by The Scientific World JOURNAL 2014-01-01

1Pv4/1Pv6 transition always occurs process in deploying 1Pv6-based services across the 1Pv4 Internet. The IETF Next Generation Transition Working Group (NGtrans) has proposed many mechanisms to enable seamless integration of 1Pv6 facilities into current networks. This work mainly addresses performance various tunneling used different effect these on end-to-end applications is explored using metrics such as transmission latency, throughput, CPU utilization and packet loss. measured latency...

10.1109/icact.2004.1292930 article EN 2004-06-10

Abstract Amoebic gill disease (AGD) is emerging as one of the most significant health challenges affecting farmed Atlantic salmon in marine environment. It caused by amphizoic amoeba Neoparamoeba perurans , with infestation gills causing severe hyperplastic lesions, compromising overall integrity and function. This study used histology, transmission electron microscopy (TEM), immunohistochemistry transcript expression to relate AGD‐associated pathological changes morphology distribution...

10.1111/jfd.13073 article EN Journal of Fish Diseases 2019-08-20

The EPC (Electronic Product Code) Network, advocated by the international organization, EPCglobal Inc., is standard technology of RFID applications. network system constructed Reader, Transponder and Middleware systems forms a new figuration future production line automation, materials management logistics. cross layer design applies an intelligent mobile purchasing combining smart phone at Physical Layer, transferring code into Network Media Access Control gathering Domain Information...

10.6138/jit.2010.11.7.09 article EN 網際網路技術學刊 2010-12-01

10.1016/j.compeleceng.2018.03.024 article EN Computers & Electrical Engineering 2018-03-28

Advances in micro-sensor and radio technology would enable the deployment of small but smart sensors for various environmental monitoring applications. Generally, sensor node cannot recharge battery life is not expected to increase significantly future. Reducing power consumption providing efficient savings are crucial points networks. From related research, this study generalizes four cases waste consumption, as follows: collision, sparse node, overhead listen. The proposed method can avoid...

10.1109/icsmc.2004.1401274 article EN 2005-04-06
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