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In WSNs, energy efficiency and low latency are considered as two key issues in designing routing protocol. This paper proposes two schemes to combine clustering strategy with chain routing algorithm in order to satisfy both energy and delay constraints in WSNs. The first scheme makes use of clustering strategy, direct transmission inside cluster, and chain routing among cluster-heads. The second scheme...
This paper proposes a design of detection terminal that adopts the embedded operating system and the high performance processor for active object based on GPRS network. It transmits the captured image processed by detection algorithm to userspsila mobile telephone by means of MMS, SMS or email. In this paper, the design of the terminal is discussed in detail including hardware design, software design...
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