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Wireless Sensor Network (WSN) is a network whose energy is constrained. To efficiently use energy and enhance network viability is one of the main objectives for designing WSN. Some new concepts about the vitality of WSN are proposed, and a vitality evaluation method for WSN is studied in this paper. The analysis showed that the vitality evaluation method proposed is effective and useful.
Low power, small volume and high acquisition precision are always important in the internal module of wireless implantable neural recording system. This paper describes the design and implementation of a new successive approximation (SAR) ADC to meet the unique requirements of wireless implantable neural recording system. In the designed new ADC, a fully differential structure is used to avoid the...
Wireless Sensor Networks (WSNs) are susceptible to a wide range of security attacks in hostile environments due to the limited processing and energy capabilities of sensor nodes. Consequently, the use of WSNs in mission critical applications requires reliable detection and fast recovery from these attacks. While much research has been devoted to detecting security attacks, very little attention has...
Wireless sensor networks (WSNs) suffer from a wide range of security attacks due to their limited processing and energy capabilities. Their use in numerous mission critical applications, however, requires that fast recovery from such attacks be achieved. Much research has been completed on detection of security attacks, while very little attention has been paid to recovery from an attack. In this...
Congestion in wireless sensor networks not only causes packet loss, but also leads to excessive energy consumption. Therefore congestion in WSNs needs to be controlled in order to prolong system lifetime. In addition, this is also necessary to improve fairness and provide better quality of service (QoS), which is required by multimedia applications in wireless multimedia sensor networks. In this paper,...
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