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In the remote, hazardous, distributed and external environment, such as radiation source, pollutant source and pipeline of petrol, water and gas, it is difficult to collect and send the necessary message in real-time by traditional monitoring ways. This paper briefly describes the design of remote wireless monitoring system based on MCU (Micro-programmed Control Unit) and GPRS (General Packet Radio...
With the rapid development of the Internet, people increasingly pay attention to the users' online privacy issues. And so , building privacy domain-specific ontology is a necessary method for using and protecting privacy data among computer systems. Ontology is an explicit conceptualization for specific domain and is used in natural language processing, information retrieval, knowledge sharing and...
This paper presents the design and implementation of a remote monitoring and control system based on the cdma2000 IX technology. Nowadays cdma2000 IX system has added a series of packet equipment to construct the packet network and provide high speed packet data services. The packet network can provide two kinds of Internet accesses: simple IP and mobile IP. The paper adopts the mobile IP technology...
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