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Improving Energy Efficiency and Reliability in WuR-Based IoT Systems: An Error Correction Approach
Wireless Personal Communications ( IF 2.2 ) Pub Date : 2020-05-25 , DOI: 10.1007/s11277-020-07464-2
Valentin Rakovic , Robert Adamovski , Aleksandar Risteski , Liljana Gavrilovska

Intelligent connected objects, the building blocks of IoT, represent battery supplied electronic devices. These devices are expected to be deployed in very large numbers, and manual replacement of their batteries will severely restrict their large-scale or wide area deployments. Therefore, energy efficiency is of the utmost importance in the design of the IoT devices. The wireless communication between the distributed sensor devices and the host stations can consume significant energy, even more when larger coverage is required. Ultra-low-power wake up radio (WuR) represent one of the most prominent solutions for energy efficiency in IoT. However, the WuR devices have several limitations that bound their practical applicability and usage, such as short range capabilities and low signal sensitivity. As a result, the WuR devices commonly misinterpret their wake up address and inevitably lead to overall performance degradation of the system. This work, introduces the concept of error correction codes in the wake up address. It is envisioned that the error correction codes can increase the overall robustness and sensitivity of the WuR devices. The work also analyses the potential energy efficiency gains and the energy-latency tradeoff degradation of the WuR based IoT system when utilizing the error correction codes.



中文翻译:

在基于WuR的IoT系统中提高能效和可靠性:一种纠错方法

智能连接对象(物联网的组成部分)代表电池供电的电子设备。预计将大量部署这些设备,手动更换其电池将严重限制其大规模或广域部署。因此,能源效率在物联网设备的设计中至关重要。分布式传感器设备和主机站之间的无线通信可能会消耗大量能量,甚至在需要更大覆盖范围时也会消耗更多能量。超低功耗唤醒无线电(WuR)代表了物联网能源效率的最杰出解决方案之一。但是,WuR设备具有一些限制其实际适用性和用途的限制,例如短距离功能和低信号灵敏度。结果是,WuR设备通常会误解其唤醒地址,并不可避免地导致系统的整体性能下降。这项工作在唤醒地址中引入了纠错码的概念。可以预见,纠错码可以提高WuR设备的整体鲁棒性和灵敏度。这项工作还分析了使用纠错码时,基于WuR的IoT系统的潜在能效增益和能量潜能权衡下降。

更新日期:2020-05-25
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