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This paper presents the development and implantation of an ultra-small wireless sensor node with low power consumption for body temperature monitoring of a ‘white mouse’. Feasibility of the sensor and bio-compatibility of the package were investigated and discussed. Performance of the sensor node was then evaluated. The results demonstrated that more accurate bio-logical information can be obtained...
Integration and assembly of wireless sensor nodes within limited size and volume may not only reduce production cost, but also enable layout-free distribution of autonomous sensor nodes for environmental monitoring, energy consumption management, remote monitoring of civil infrastructure, as well as for biological and human health monitoring. Pursuit of the lowest power consumption of the wireless...
Pursuit of the lowest size-limit of wireless sensor nodes may not only reduce power consumption and production cost, but also enables its layout-free ubiquitous applications, i.e., in our green sensor networks to compress energy consumption through visibility and optimization. In this paper, we engaged in developing the world smallest wireless sensor node with ultralow power consumption from both...
Real-time activity recognition using body sensor networks is an important and challenging task and it has many potential applications. In this paper, we propose a real time, hierarchical model to recognize both simple gestures and complex activities using a wireless body sensor network. In this model, we first use a fast, lightweight template matching algorithm to detect gestures at the sensor node...
Location Based Service (LBS) is one kind of ubiquitous applications whose functions are based on the locations of clients. The core of LBS is an effective positioning system. As wireless LAN (WLAN) costs less and is easy to access, using WLAN for indoor positioning has been widely studied recently. K nearest neighbors (KNN) is one of the basic deterministic fingerprint based algorithms and widely...
As wireless devices and sensors are increasingly deployed on people, researchers have begun to focus on wireless body-area networks. Applications of wireless body sensor networks include healthcare, entertainment, and personal assistance, in which sensors collect physiological and activity data from people and their environments. In these body sensor networks, quality of service is needed to provide...
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