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- Title
Energy-efficient clustering and cooperative routing protocol for wireless body area networks (WBAN).
- Authors
Saxena, Drishti; Patel, Prabhat
- Abstract
Wireless Body Area Network (WBAN) may play an important role in real-time health monitoring in the near future. At the same time, WBAN based distant health monitoring is helpful in getting regular health updates and is cost-effective. In WBAN, tiny battery-operated sensors are placed on the human body, and some part of the battery's energy drains during each round of transmission. Therefore, conservation of battery power is an important feature in designing WBAN protocols. The main purpose this work to propose an energy-efficient clustering and cooperative routing protocol, that can be used in the real time health monitoring systems. In the proposed protocol, sensor nodes are divided into two parts, and each part has its own dedicated sink. Nodes within each part elect a cluster head (CH) based on the cost function, and the chosen CH, after aggregation of the data, sends it to the sink. Nodes within each cluster transfer their data to the sink either directly or via a forwarder node, depending on which path has the least energy dissipation. The forwarder node within the cluster will be elected using a forwarder function that depends on distance and residual energy. The solar energy harvesting mechanism is further considered which is helpful in restoring the battery's energy. The proposed mechanism can play an important role in real-time health monitoring in indoor and outdoor environments without the need for battery replacement for a long period of time. Finally, the proposed protocol is compared with recently proposed protocols, and significant improvements are observed in terms of performance metrics.
- Subjects
BODY area networks; COST functions; HUMAN body; SOLAR energy
- Publication
Sādhanā: Academy Proceedings in Engineering Sciences, 2023, Vol 48, Issue 2, p1
- ISSN
0256-2499
- Publication type
Article
- DOI
10.1007/s12046-023-02096-1