J. P. Battistella Nadas, O. Onireti, R. D. Souza, H. Alves, G. Brante and M. A. Imran, Performance Analysis of Hybrid ARQ for Ultra-Reliable Low Latency Communications," in IEEE Sensors Journal, vol. 19, no. 9, pp. 3521-3531, 1 May1, 2019. doi: 10.1109/JSEN.2019.2891221
Performance analysis of hybrid ARQ for ultra-reliable low latency communications
|Author:||Nadas, João Pedro Battistella1; Onireti, Oluwakayode1; Souza, Richard Demo2;|
1School of Engineering, University of Glasgow, Glasgow, U.K.
2Department of Electrical and Electronics Engineering, Federal University of Santa Catarina, Florianópolis, Brazil
3Centre for Wireless Communications, University of Oulu, Oulu, Finland
4Departament of Electrotechnics, Federal Technological University–Paraná, Curitiba, Brazil
|Online Access:||PDF Full Text (PDF, 2.8 MB)|
|Persistent link:|| http://urn.fi/urn:nbn:fi-fe2019092529719
Institute of Electrical and Electronics Engineers,
|Publish Date:|| 2019-09-25
Considering an ultra-reliable low latency communication scenario, we assess the trade-off in terms of energy consumption between achieving time diversity through retransmissions and having to communicate at a higher rate due to latency constraints. Our analysis considers Nakagami-m block-fading channels with Chase combining hybrid automatic repeat request. We derive a fixed-point equation to determine the best number of allowed transmission attempts considering the maximum possible energy spent, which yields insights into the system behavior. Furthermore, we compare the energy consumption of the proposed approach against direct transmission with frequency diversity. Results show substantial energy savings using retransmissions when selecting the maximum number of transmission attempts according to our approach. For instance, considering a Rayleigh channel and smart grid teleprotection applications, our approach uses around 8 times less energy per bit compared with a direct transmission with frequency diversity.
IEEE sensors journal
|Pages:||3521 - 3531|
|Type of Publication:||
A1 Journal article – refereed
|Field of Science:||
213 Electronic, automation and communications engineering, electronics
This research was partly funded by EPSRC Global Challenges Research Fund – the DARE project – EP/P028764/1.
This work is licensed under a Creative Commons Attribution 3.0 License. For more information, see http://creativecommons.org/licenses/by/3.0/.