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Enhancing Wake-Up Radio Range Through Minimum Energy Coding


A substantial part of the research on wireless sensor networks is focused on the optimization of the energy consumption through either hardware or protocol communication stacks. Wake-up Receivers (WuRs) represent a new paradigm that offers both ultra low power consumption and low latency through asynchronous communications. However, WuRs have a low sensitivity and thus can misinterpret the received signal inducing a performance degradation of the whole communicating system. To tackle this issue, low power channel coding techniques can be used and we propose in this work to apply Hamming coding and Minimum Energy Coding (ME) to enhance WuR range. A performance study of these two types of coding shows that ME coding outperforms Hamming code in reducing both bit error rate and energy consumption. At a range of 28 m, ME coding saves about 3 times the energy at a bit error rate of $10^{−3}$ compared to uncoded scheme. Furthermore, experimentation on the missed wake-ups when applying ME coding was done, showing a gain of 22% in reliability compared to uncoded scheme.
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hal-03279903 , version 1 (06-07-2021)


  • HAL Id : hal-03279903 , version 1


Nour El Hoda Djidi, Matthieu Gautier, Antoine Courtay, Olivier Berder. Enhancing Wake-Up Radio Range Through Minimum Energy Coding. ICC 2021 - IEEE International Conference on Communications, Jun 2021, Montreal / Virtual, Canada. ⟨hal-03279903⟩
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