Range Adjustment for Broadcast Protocols with a Realistic Radio Transceiver Energy Model in Short-Range Wireless Networks

2005 ◽  
pp. 197-206 ◽  
Author(s):  
Jialiang Lu ◽  
Fabrice Valois ◽  
Dominique Barthel
Keyword(s):  
Wireless Networks ◽  
Short Range ◽  
Energy Model ◽  
Radio Transceiver

Research on Wireless Sensor Networks Based on Open Source System

2014 ◽  
Vol 621 ◽  
pp. 712-718
Author(s):  
Guang You Yang ◽  
Si Jian Zhu ◽  
Rui Quan ◽  
Zhi Yan Ma
Keyword(s):  
Operating System ◽  
Wireless Sensor Networks ◽  
Wireless Networks ◽  
Sensor Networks ◽  
Open Source ◽  
Wireless Sensor ◽  
Protocol Stack ◽  
Network Nodes ◽  
Main Work ◽  
Radio Transceiver

As the key technologies such as wireless communication, sensor continues to mature, wireless sensor networks has become a domestic and foreign focus of research in the field of wireless networks. The main work of the thesis is to implement ZigBee wireless sensor networking, using open source protocol FreakZ On the base of existing hardware. WSN hardware node consists of 32-bit microprocessor STM32F102CB based on ARM Cortex-M3 kernel and AT86RF212 radio transceiver; the software platform uses a lightweight multi-tasking operating system Contiki and open source protocol stack called FreakZ following ZigBee protocol specification, for networking wireless networks nodes. The paper presents the system architecture of WSN networking and its hardware components, software architecture and data transmission and reception processes of the networks. Using FreakZ protocol stack under the Contiki operating system on the base of the existing hardware platform, the network nodes information and topology displayed on the HyperTerminal indicates the success of WSN networking by using FreakZ protocol.

scholarly journals Development and research of Wi-Fi network for receiving and transmitting telemechanical information in the training laboratory

2020 ◽  
Vol 99 (3) ◽  
pp. 124-131
Author(s):  
B. Orobchuk ◽  
V. Koval
Keyword(s):  
Wireless Networks ◽  
Wireless Network ◽  
Data Transmission ◽  
Short Range ◽  
Local Area ◽  
Educational Process ◽  
Research Development ◽  
Transmission Control ◽  
Sensors And Actuators ◽  
Potential Use

The article deals with the issues of research, development and implementation of local area wireless networks in the educational process, especially with the study of the signal level for data transmission control of the local wireless network indoors. The controlled telemechanics unit uses wired systems for communication of the operator with various sensors and actuators, which creates certain difficulties and risks for the operator working in site of the telemechanics unit. The article considers a potential use of wireless technologies in the educational process, which demonstrates how to secure the operator and reduce the time to bypass all the sensors of the actuators, as well as to develop a short-range wireless subsystem.

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