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Wireless sensor networks (WSNs) have been widely used in industrial systems that demand a high degree of reliability and real-time performance in communications. However, because of limited network resources and delays caused by transmission conflicts and channel contention, many industrial applications cannot meet these demands. To resolve these issues, we introduce Narrow Band Internet of Things...
With the advancement in energy harvesting in terms of wireless charging techniques, it provides a novel way to solve traditional energy constraint problems in Wireless Sensor Networks (WSNs). Renewable energy such as solar, wind, and geo-thermal energy is converted to energy-storage and further use via harvest-then-transmit strategy. This article introduces a two-layer sleep scheduling system in energy-harvesting...
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