Wake-up radio technology is proving to be an effective strategy for bettering energy efficiency of wireless networks. Nodes can transmit wake-up signals via their wake-up radios (WuRs), thereby preventing the unnecessary power drain of their main radio. In this paper we propose a multi-hop wake-up relay for CTP-WuR, the Collection Tree Protocol modified to work with wake-up radios. We implement and evaluate the performance of our multi-hop relay solution in the GreenCastalia simulator, and we compare its performance to that of baseline CTP-WuR. We also implement and evaluate the protocols on a physical testbed. Our results show the advantage of multi-hop relaying over the baseline implementation with respect to key metrics. Particularly, multi-hop relaying decreases average energy consumption to 78% of the baseline and packet delivery time is reduced to an average of 71% of the baseline.
Multi-Hop Wake-Up Radio Relaying for the Collection Tree Protocol
01.09.2019
289251 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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