Paper Info
Title
Radio-Aware Multi-Connectivity Solutions based on Layer-4 Scheduling for Wi-Fi in IIoT Scenarios
Abstract
Due to mobility and interference, using enterprise Wi-Fi for communication in industrial networks can result in control loop latencies exceeding 100 ms for at least 0.1% of the time, even in those cases where Wi-Fi handover-specific parameters have been optimized, making the technology unfit for Industrial IoT (IIoT) with strict communication reliability requirements. To improve its performance, this paper presents a novel approach towards the design and implementation of a radio-aware multi-connectivity concept using a layer-4 scheduling mechanism. Two packet scheduling mechanisms are presented: packet duplication and best path scheduling. A mobility coordinator scheme is used to improve the performance of the packet schedulers by preventing simultaneous handovers and ensures the STAs connect to different APs. By using this multi-connectivity solution, a significant performance improvement was observed, cutting down the latencies of the system to 30-80 ms at the 99.9%-ile of reliability (depending on the operational conditions). Furthermore, by applying the proposed schemes, Wi-Fi handovers delays can be fully mitigated allowing for true seamless roaming in mobile conditions.
Year
DOI
Venue
2022
10.1109/WCNC51071.2022.9771995
2022 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC)
DocType
ISSN
Citations 
Conference
1525-3511
0
PageRank 
References 
Authors
0.34
0
6
Name
Order
Citations
PageRank
Andreas Fink100.34
Rasmus Suhr Mogensen200.68
Ignacio Rodriguez300.68
Troels Kolding400.34
Anders Karstensen500.34
Guillermo Pocovi601.69