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This paper proposes a synchronization algorithm for hybrid control networks in industrial environments. The proposed algorithm minimizes synchronization error, which is caused from channel, propagation, and frequency delay. The modified RBS and the offset synchronization methods can be updated by adjustment parameters of proposed algorithm. For the performance analysis, throughput and data transmission...
In this paper, an association method for IWSNs (industrial wireless sensor networks) using dynamic hysteresis is proposed. The energy consumption of the nodes can be effectively managed by a decrease in the response packets of the neighbors under the joining requests of the mobile nodes. However, static hysteresis causes a decrease in the joining period for preventing the ping-pong phenomenon. In...
In this paper, we describe the design scheme and implementation of a GMS(green energy message specification) for networked hybrid power plant modules. In particular, a networked module based on the GMS is implemented for controlling and monitoring for system of hybrid power plant. The implemented system can be used as a design framework of a GMS system for a practical hybrid power plant. Experimental...
This paper concerns an efficient network configuration method of mobile nodes considering energy-balanced sensor networks. This method is based on the IEEE 802.15.4 standard. The MSBS method is proposed for performance enhancements of mobile nodes using depth, traffic, and RSSI information. The MSBS method can transfer trusted data and prevent traffic overloads from occurring at specific nodes. For...
This paper concerns an efficient network joining method for mobile nodes in USNs (ubiquitous sensor networks) based on the IEEE 802.15.4 standard. The MSBS (mobile sensor beacon setup) method is proposed for performance enhancements of the mobile nodes using the depth, traffic, and RSSI (received signal strength indication) information. The MSBS method can transfer trusted data and prevent traffic...
To study a case of a huge pseudoaneurysm of the uterine artery presenting with vaginal bleeding 2 years after termination of pregnancy in a 23-year-old woman.Retrospective clinical case.Academic-based gynecology center of university hospital.A 23-year-old women, 2 years after termination of pregnancy, presenting with vaginal bleeding.The diagnosis of uterine artery pseudoaneurysm was made by color...
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