heterogeneous device
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2021 ◽  
Vol 17 (3) ◽  
pp. 1-17
Author(s):  
Danfeng Sun ◽  
Jia Wu ◽  
Jian Yang ◽  
Huifeng Wu

The merging boundaries between edge computing and deep learning are forging a new blueprint for the Internet of Things (IoT). However, the low-quality of data in many IoT platforms, especially those composed of heterogeneous devices, is hindering the development of high-quality applications for those platforms. The solution presented in this article is intelligent data collaboration, i.e., the concept of deep learning providing IoT with the ability to adaptively collaborate to accomplish a task. Here, we outline the concept of intelligent data collaboration in detail and present a mathematical model in general form. To demonstrate one possible case where intelligent data collaboration would be useful, we prepared an implementation called adaptive data cleaning (ADC), designed to filter noisy data out of temperature readings in an IoT base station network. ADC primarily consists of a denoising autoencoder LSTM for predictions and a four-level data processing mechanism to perform the filtering. Comparisons between ADC and a maximum slop method show ADC with the lowest false error and the best filtering rates.


2021 ◽  
pp. 2101093
Author(s):  
Jiuk Jang ◽  
Young‐Geun Park ◽  
Eunkyung Cha ◽  
Sangyoon Ji ◽  
Hyunbin Hwang ◽  
...  

2019 ◽  
Vol 11 (14) ◽  
pp. 3889 ◽  
Author(s):  
Seonghyeon Gong ◽  
Erzhena Tcydenova ◽  
Jeonghoon Jo ◽  
Younghun Lee ◽  
Jong Hyuk Park

The broadly configured smart city network requires a variety of security considerations for a heterogeneous device environment. Because a network of heterogeneous devices facilitates an attacker’s intrusion through a specific device or node, a device management framework is required to manage each node comprehensively. This paper proposes a blockchain-based device management framework for efficient device management, scalable firmware update and resiliences on attacks against smart city network. This framework offers four device management and firmware update mechanisms based on the performance and requirements of each device: bidirectional mechanism of general end node and a unidirectional mechanism of the lightweight end node. This difference optimizes the resource of network and devices in terms of management and security. All management history of each device is stored in the blockchain and transmitting firmware between vendor and management node is conducted through a smart contract of blockchain for security and resilience on the attack. Through the framework proposed in this paper, the confidentiality and availability of device management on smart city network as well as integrity, auditability, adaptability and authentication for each node are ensured and the effectiveness of the proposed framework is presented through the security analysis.


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