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The limited sensor node energy and the large number of nodes with dynamic network topology information have always been the important design concerns in Wireless Sensor Networks (WSN). Node clustering is an effective way to tackle with the two issues by grouping the nodes into hierarchies in order to reduce communication distance and the amount of message. This paper mainly focuses on the unification...
This paper presents a cross-platform solution of smartphone-based mobile sink for wireless sensor networks, named uSink. With a cross-platform SD card, named uSD card, any smartphone with SD interface can be empowered with the capability to communicate with wireless sensor nodes. Furthermore, a middleware on mobile phone, named uSinkWare, is also designed to provide a typical mobile sink's functionalities,...
This paper presents an SD-based universal sensor data entry card, named uSD. The prefix "u" of uSD illustrates its most significant characteristic: universality, which means uSD is platform independent and compatible with heterogeneous platforms, truly plug-and-play. In this paper, we relate the design and implementation of uSD, especially about uSD's superiority over SDIO-based method....
This paper presents an SD-based mobile gateway to wireless sensor network (WSN), named uSD, which aims at helping users with mobile terminals to access WSN conveniently and efficiently. The prefix "u" of uSD illustrates its most significant characteristic: universality, which means uSD is platform independent and compatible with heterogeneous platforms, truly plug-and-play. In this paper,...
Many previous schemes of multi-node cooperation mimic the behavior of the multiple-antenna system, and the imitation usually causes extra overheads. In this paper, we propose a novel multi-node cooperation scheme to avoid the imitation. The basic idea is to take the wireless broadcast advantage in the whole procedure. As a result, each source could maintain a multihop diversity route to the destination...
A new hardware expansion method based on memory card slot has been proposed in this paper, which can make the extended equipment more compatible with hosts that are running on different platforms. The main idea of our method is based on the fact that the logic interface between client devices and the higher level is memory card, and memory host controllers and drivers are all compatible with expansion...
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