Abstract
Biological and pharmaceutical (B&P) products are essential in modern life. Currently, the demand and requirements of these products are dramatically growing; product quality and integrity then become crucial. As a key factor for ensuring quality and integrity, the current product status monitoring system needs to be enhanced in a more sophisticated and comprehensive way. This research describes the design of a wireless sensor network (WSN) monitoring system for B&P products supply chain management. In this study, the system architecture is presented based on the proposed framework. The framework consists of three processes: the first one is to generate a WSN with full coverage, the second one is to determine the optimal position of the sink, and the last process is to add additional relay nodes for providing fault tolerance to the network. Finally, a feasibility test on B&P product storage in a hospital is conducted. The proposed system provides a systematic approach for the deployment of sensor nodes and relay nodes. It also provides a relatively simple and rapid method for industries in general to follow and implement when designing a WSN system.
Highlights
Biological products refer to natural substances obtained from living organisms [1], which include blood, blood products, tissue, tissue products, organs, vaccines, microbial samples, and cellular specimens
The sink is put in an optimal place where the total transmission power of all the relay nodes can be minimized
The proposed approach uses statistics to calculate the number of the additional relay nodes needed in a target area
Summary
Biological products refer to natural substances obtained from living organisms [1], which include blood, blood products, tissue, tissue products, organs, vaccines, microbial samples, and cellular specimens. To fulfill the emerging need, this research proposes a wireless sensor network (WSN) based monitoring system to prevent faults and to enhance the supply chain visibility. A relatively simpler and more systematic WSN construction approach for B&P product monitoring systems will be helpful to both system operators and management. To address this issue, this research proposes a three-stage WSN construction process while considering three crucial design factors, coverage, network connectivity, and fault tolerance. It focuses on discussion of the proposed common approach to balance the battery life of each relay node in a WSN.
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