RT-WiFi on Software-Defined Radio: Design and Implementation
Zelin Yun, Peng Wu, Shengli Zhou, Aloysius K. Mok, Mark Nixon, Song, Han

TL;DR
This paper presents SRT-WiFi, a software-defined radio implementation of RT-WiFi that offers full configurability, improved timing, and effective rate adaptation for high-speed, real-time industrial wireless communication.
Contribution
It introduces a SDR-based RT-WiFi system with novel scheduling and rate adaptation algorithms, enhancing performance over commercial hardware solutions.
Findings
SRT-WiFi achieves better timing performance than COTS-based RT-WiFi.
The proposed scheduling algorithm effectively manages multi-cluster network resources.
Extensive experiments validate the system's high-speed, real-time capabilities.
Abstract
Applying high-speed real-time wireless technologies in industrial applications has the great potential to reduce the deployment and maintenance costs compared to their wired counterparts. Wireless technologies enhance the mobility and reduce the communication jitter and delay for mobile industrial equipment, such as mobile collaborative robots. Unfortunately, most existing wireless solutions employed in industrial fields either cannot support the desired high-speed communications or cannot guarantee deterministic, real-time performance. A more recent wireless technology, RT-WiFi, achieves a good balance between high-speed data rates and deterministic communication performance. It is however developed on commercial-of-the-shelf (COTS) hardware, and takes considerable effort and hardware expertise to maintain and upgrade. To address these problems, this paper introduces the…
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Taxonomy
TopicsEmbedded Systems Design Techniques · Real-Time Systems Scheduling · Energy Efficient Wireless Sensor Networks
