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In this paper, we generalize the classical lower and upper concepts, and establish some comparison principles. On the basis of them, we obtain the existence of extremal solutions of periodic boundary value problems for nonlinear impulsive differential equations of mixed type by using the monotone iterative technique.
Near/sub-threshold operation is promising to achieve energy minimization when high performance is not required. The device sizing in sub-threshold region is different from super-threshold region due to significantly different IV characteristics and impact of parasitic effects in these two regions. We have investigated the impact of the inverse narrow width effect (INWE) on transistor drain current...
We have investigated the impact of inverse narrow width effect on the threshold voltage and drain current in the near/sub-threshold region at three technology nodes (90 nm, 65 nm and 40 nm) and proposed a new sub-threshold device sizing method which is inverse-narrow-width-effect-aware to reduce the gate area, power consumption and delay. We applied the proposed sizing method in designing a 40 nm...
Saleh-Valenuela model was modified by both IEEE802.15.3a and IEEE802.15.4a task group, and became the standard channel model for UWB indoor environment. Cluster must be identified before any Saleh-Valenuela model parameters can be extracted. Past efforts have developed a lot of algorithms on cluster identification, but most of them ignored either the exponentially decay of power delay profile (PDP)...
The increasing number of sensors deployed in cars calls for new design approaches in intra-vehicle electronic control unit (ECU) networks. ZigBee wireless sensor networks are seen as a good candidate technology, since they can provide high-performance short-range communication with low power consumption, as well as mesh networking capabilities. One of the main questions to answer before adoption of...
The paper has proposed the QoS route mechanism of the sensor network based on task delay and priority. The new control mechanism assigns the network resource proportionately according to the different priorities of tasks. The tasks with a higher priority can obtain more network resource in respect to the tasks with a lower priority, which will guarantee that the information of task occurrence can...
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