Optimized Survival Mode to Guarantee QoS for Time-critical Services

Loading...
Thumbnail Image
Access rights
openAccess
Journal Title
Journal ISSN
Volume Title
Conference article in proceedings
Date
2021-07
Major/Subject
Mcode
Degree programme
Language
en
Pages
6
Series
2021 IEEE International Conference on Communications Workshops, ICC Workshops 2021 - Proceedings
Abstract
We consider time critical transmissions for wireless industrial IoT services, where information should not be older than a survival time in the millisecond order, and extreme service availability is targeted. With non-zero survival time, a feedback based survival mode is possible, where the network incorporates additional robustness if the previous transmission was not received. We consider the tradeoff between reliability of normal mode and survival mode transmission, and analyze the effect of feedback errors on these. We formulate an optimization to minimize average resource usage, guaranteeing time critical quality of service (QoS), and show numerical results in scenarios with typical system assumptions. For a user with a Rayleigh fading channel, average signal-to-noise ratio 10 dB, and control channel error probability 10-3, optimization based on judiciously choosing survival and normal mode reliability targets can reduce resource usage needed to guarantee QoS with a factor of 30.
Description
Funding Information: This work was supported in part by Business Finland funding for the project 5G VIIMA. Publisher Copyright: © 2021 IEEE.
Keywords
Other note
Citation
Tirkkonen , O , Khosravirad , S R , Baracca , P , Zhou , L , Parts , U , Korpi , D & Uusitalo , M A 2021 , Optimized Survival Mode to Guarantee QoS for Time-critical Services . in 2021 IEEE International Conference on Communications Workshops, ICC Workshops 2021 - Proceedings . , 9473635 , IEEE international conference on communications workshops , IEEE , IEEE International Conference on Communications Workshops , Montreal , Canada , 14/06/2021 . https://doi.org/10.1109/ICCWorkshops50388.2021.9473635