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Industrial WLAN System with Accurate Time Synchronization on Software Defined Radio

This paper presents a hardware implementation of low latency and highly accurate time synchronization for Industrial WLAN systems. The design of our media access control (MAC) layer supports both asynchronous and synchronous multi- user transmission protocols. Low overhead Packet Division Multiple A...

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Main Authors:	Nguyen, Tran Thi Thao, Toyofuku, Mizuki, Ito, Yoshiki, Ishimitsu, Chiharu, Nagao, Yuhei, Kurosaki, Masayuki, Ochi, Hiroshi
Format:	Conference Proceeding
Language:	English
Subjects:	Conferences Industrial WLAN Protocol MAC-PHY Implementation Media Access Protocol Motor Control Precision Time Protocol Protocols Software Defined Radio Synchronization Synchronous motors Wireless communication Wireless LAN
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creator	Nguyen, Tran Thi Thao Toyofuku, Mizuki Ito, Yoshiki Ishimitsu, Chiharu Nagao, Yuhei Kurosaki, Masayuki Ochi, Hiroshi
description	This paper presents a hardware implementation of low latency and highly accurate time synchronization for Industrial WLAN systems. The design of our media access control (MAC) layer supports both asynchronous and synchronous multi- user transmission protocols. Low overhead Packet Division Multiple Access (PDMA) scheme is utilized for Multi-user Downlink transmission, while Frequency Division Multiple Access (FDMA) is employed for the uplink transmission. The design of the physical (PHY) layer system is developed based on fast and deterministic communication. The proposed industrial WLAN system is developed on Software Defined Radio (SDR). The experimental results show that the wireless control communication can be achieved to control motors with a high accuracy Precision Time Protocol (PTP) in nano-second level from 200 ns to 300 ns which is less than 1 ms compared to PROFINET wireless standard.
doi_str_mv	10.1109/ICCWorkshops50388.2021.9473752
format	conference_proceeding
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subjects	Conferences Industrial WLAN Protocol MAC-PHY Implementation Media Access Protocol Motor Control Precision Time Protocol Protocols Software Defined Radio Synchronization Synchronous motors Wireless communication Wireless LAN
title	Industrial WLAN System with Accurate Time Synchronization on Software Defined Radio
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