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To solve problems that existed in wired water monitoring system, such as high cost and restricted monitoring water range, a kind of Lijiang River water environment monitoring system is designed based on WSN. In order to ensure long survival time of the sensor node and a high performance of routing node, MSP430 and ARM32F107 processor are employed respectively. After preprocessing data, MU709 3G module...
With the development of social economic, China will become the country which has the longest Metro line among Countries in the world soon. It is necessary to research Metro rescue system using wireless sensor network (WSN) because of the special geographic structure, such as a larger flow of people, higher automatic service systems for Metro environment. This paper proposes to establish Metro environment...
The Wireless Sensor Networks(WSN) are defined as a set of nodes with limited constraints of processing, storage and transmission. Nowadays, most WSN proposals require using software agents to bring new capabilities to the network, such as autonomy, control and intelligence. However, a deployment of agents over a WSN imposes higher resources consumption and it is required to evaluate different kinds...
In the last decade, wireless sensor network (WSN) domain had benefit from a huge development effort and a major technological boom. These wireless networks equipped with tiny sensors can be used in a wide area of applications and various environments. This is one of the reasons that conducted to a continuous concern for improving the communication and the data flow between a WSN and other types of...
Research in micro-electro-mechanical systems (MEMS) technology, wireless communications, and digital electronics has enabled the future emergence of Wireless Sensor Networks (WSN). These systems consist of low-cost and low-power sensor nodes that communicate efficiently over short distances. It has been shown that power consumption is the biggest design constraint for such systems. Currently, WSN...
Wireless sensor networks (WSN) typically consist of compact, low energy devices capable of sustaining a variety of ad-hoc topologies and operate for many years from a single, non-renewable, finite energy source such as a battery. This limitation in energy has led to much research in the field of energy conservation both through hardware and software techniques. The transmission of data incurs the...
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