Priority Schemes for Life Extension and Data Delivery in Body Area Wireless Sensor Networks with Cognitive Radio Capabilities
作者： Sergio M. Martínez Chávez , Mario E. Rivero-Angeles , Laura I. Garay-Jiménez , Issis C. Romero Ibarra
DOI: 10.1155/2019/2637830
关键词: Computer network 、 Energy consumption 、 Computer science 、 Wireless sensor network 、 Node (networking) 、 Efficient energy use 、 Cognitive radio
摘要: Wireless sensor networks have recently been used to monitor bioelectric signals generated by the human body. However, since dimensions and capabilities of network nodes are small limited, a problem is inherently energy consumption radioelectric interference. In view this, we propose two priority schemes improve performance network. first one, aim at increasing system lifetime reducing number transmissions with low levels. second scheme, conveying data sink node as fast efficient possible. former users can be monitored for long time periods considering generation. On other hand, latter scheme allows expediting transmission important when efficiency not relevant. this article, mathematically model, analyze, study both cognitive radio make use resources limit interference transmits continuous monitoring event detection information. Numerical results provided in work allow careful parameter selection practical implementation BANETs.
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