scholarly journals Near-Optimal Data Structure for Approximate Range Emptiness Problem in Information-Centric Internet of Things

IEEE Access ◽  
2019 ◽  
Vol 7 ◽  
pp. 21857-21869 ◽  
Author(s):  
Xiujun Wang ◽  
Zhi Liu ◽  
Yan Gao ◽  
Xiao Zheng ◽  
Xianfu Chen ◽  
...  
Keyword(s):  
Data Structure ◽  
Internet Of Things ◽  
Emptiness Problem

scholarly journals An IoT-Based Network for Smart Urbanization

2021 ◽  
Vol 2021 ◽  
pp. 1-14
Author(s):  
Sabeeh Ahmad Saeed ◽  
Farrukh Zeeshan Khan ◽  
Zeshan Iqbal ◽  
Roobaea Alroobaea ◽  
Muneer Ahmad ◽  
...  
Keyword(s):  
Developing Countries ◽  
Data Structure ◽  
Internet Of Things ◽  
Information Exchange ◽  
Smart Cities ◽  
Sensor Nodes ◽  
Sink Node ◽  
Process Data ◽  
Data Format ◽  
Iot Devices

Internet of Things (IoT) is considered one of the world’s ruling technologies. Billions of IoT devices connected together through IoT forming smart cities. As the concept grows, it is very challenging to design an infrastructure that is capable of handling large number of devices and process data effectively in a smart city paradigm. This paper proposed a structure for smart cities. It is implemented using a lightweight easy to implement network design and a simpler data format for information exchange that is suitable for developing countries like Pakistan. Using MQTT as network protocol, different sensor nodes were deployed for collecting data from the environment. Environmental factors like temperature, moisture, humidity, and percentage of CO2 and methane gas were recorded and transferred to sink node for information sharing over the IoT cloud using an MQTT broker that can be accessed any time using Mosquitto client. The experiment results provide the performance analysis of the proposed network at different QoS levels for the MQTT protocol for IoT-based smart cities. JSON structure is used to formulate the communication data structure for the proposed system.

Energy-Efficient Transaction Serialization for IoT Devices

2020 ◽  
Vol 2 (2) ◽  
Author(s):  
Daniel Evans
Keyword(s):  
Data Structure ◽  
Internet Of Things ◽  
Energy Efficient ◽  
Minimal Processing ◽  
Processor Time ◽  
Loss Of Information ◽  
Xml Document ◽  
Dynamic Storage ◽  
Iot Devices ◽  
Performance Comparisons

Two designs, the Transaction Serial Format (TSF) and the Transaction Array Model (TAM), are presented. Together, they provide full, efficient, transaction serialization facilities for devices with limited onboard energy, such as those in an Internet of Things (IoT) network. TSF provides a compact, non-parsed, format for transactions, which can be deserialized with minimal processing. TAM provides an internal data structure, that can be constructed with minimal dynamic storage directly using the elements of TSF. TSF is built from simple lexical units that do not require parsing to be extracted from a serialized transaction. The lexical units contain enough information to efficiently allocate the internal TAM data structure. TSF generality is shown by exhibiting its equivalence to XML and JSON. The TSF representation of any XML document or JSON object can be serialized and deserialized without loss of information, including whitespace. The XML equivalence provides a foundation for the performance comparisons. TSF efficiency is shown by comparing the performance of reference implementations of TSF and TAM, written in C, to the performance of the popular Expat XML library, also written in C. TSF deserialization is shown to reduce processor time by more than 80%, demonstrating the efficiency of the design.

Multimedia system and database simulation based on internet of things and cloud service platform

2020 ◽  
pp. 1-12
Author(s):  
Zhang Caiqian ◽  
Zhang Xincheng
Keyword(s):  
Internet Of Things ◽  
Cloud Service ◽  
Multimedia System ◽  
The Internet ◽  
Multimedia Database ◽  
Cloud Platform ◽  
Service Platform ◽  
Device Management ◽  
Cloud Service Platform ◽  
The Internet Of Things

The existing stand-alone multimedia machines and online multimedia machines in the market have certain deficiencies, so they cannot meet the actual needs. Based on this, this research combines the actual needs to design and implement a multi-media system based on the Internet of Things and cloud service platform. Moreover, through in-depth research on the MQTT protocol, this study proposes a message encryption verification scheme for the MQTT protocol, which can solve the problem of low message security in the Internet of Things communication to a certain extent. In addition, through research on the fusion technology of the Internet of Things and artificial intelligence, this research designs scheme to provide a LightGBM intelligent prediction module interface, MQTT message middleware, device management system, intelligent prediction and push interface for the cloud platform. Finally, this research completes the design and implementation of the cloud platform and tests the function and performance of the built multimedia system database. The research results show that the multimedia database constructed in this paper has good performance.

A Survey on Internet of Things : Applications and Layered Wise Security Issues

2019 ◽  
pp. 171-180
Author(s):  
Uppuluri Sirisha ◽  
G. Lakshme Eswari
Keyword(s):  
Quality Of Life ◽  
Internet Of Things ◽  
Security And Privacy ◽  
Global Network ◽  
Business Growth ◽  
Paper Briefly ◽  
Smart Meters ◽  
Security Issues ◽  
Data Points

This paper briefly introduces Internet of Things(IOT) as a intellectual connectivity among the physical objects or devices which are gaining massive increase in the fields like efficiency, quality of life and business growth. IOT is a global network which is interconnecting around 46 million smart meters in U.S. alone with 1.1 billion data points per day[1]. The total installation base of IOT connecting devices would increase to 75.44 billion globally by 2025 with a increase in growth in business, productivity, government efficiency, lifestyle, etc., This paper familiarizes the serious concern such as effective security and privacy to ensure exact and accurate confidentiality, integrity, authentication access control among the devices.

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