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Energy-harvesting wireless sensor networks (WSNs) have potential applications in battery-free wireless building automation systems, with more flexible implementation and operation, as well as reduced installation and maintenance costs. However, integrating an energy-harvesting WSN into an existing wired building automation protocol is not straightforward. The Building Automation and Control network...
When adopting Carrier Aggregation (CA) in the LTE-Advanced Systems, it needs Joint Scheduling crossing multiple Component Carrier. For Component Carrier (CC) located in different frequency band, this issue presented a new Component Carrier selection algorithm-Similar Proportional Fairness (SPF) algorithm which is based on traditional scheduling algorithm of Proportional Fairness (PF) in crossing CC...
This paper described a monitoring and warning system for brae debris flow, which based on Zigbee protocol while the GPRS and Internet to accomplish remote data transmission. This distributed system comprises sensor nodes, coordinator nodes, data transmission module and terminal management module. In this paper, the design and architecture process of the hardware as well as software are also introduced...
The Zigbee standard takes the AODV protocol as a routing protocol, which hasn't provided different routing protocols for different applications. The routing protocol established according to specific topology can effectively reduce routing overhead and then make the Zigbee technology have a better performance. This paper proposes the ZFA routing protocol based on flooding and AODV. The proposed protocol...
Signature, encryption and key exchange are some of the most important and foundational cryptographical tool. In most cases, they are all needed to provide different secure functions. There exist called authenticated encryption scheme and signcryption schemes that is the integration of signature and encryption. On the other hand, there are also some proposals on the efficient combination of signature...
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