Abstract
Wireless sensor networks (WSN) and radio frequency identification (RFID) are base technologies employed in decentralized dynamic environments. In the hybrid network that is induced by integrating RFID and WSN, RFID data can be used by applying WSN protocols for multi-hop communications. RFID data, however, includes a significant amount of duplicate information, which lengthens response time and consumes more energy, wasting a variety of resources. The hierarchical RFID-sensor topology, network RFID-sensor topology, reader-sensor nodes topology, and mixed topology are the four most commonly used RFID-WSN integration architectures. In this article, a novel plan for a WSN–RFID integrated network was proposed. The entire network is divided into clusters, and the Huffman algorithm is used to reduce energy consumption in sending information to the base station. Further, we propose two algorithms to overcome the redundancy of the data on the hybrid network. Our simulation findings demonstrate that the studied method decreases redundant data, energy consumption, and processing duration in comparison with existing methods.
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