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Firstly, the paper introduces the Wireless Sensor Networks (WSN) simply. It analyses the influence of lunar surface environment on the nodes of WSN and gives corresponding solutions. According to the characteristics of WSN and design requirements of the sensor node, we design a kind of sensor nodes which based on CC2431. Then the processor module, wireless communications module, location engine, power...
The memory management of the embedded operating system has its unique traits. And so SOS operating system should have its own suitable methods for the memory management because of its small memory and resource constraint. This paper analyses the memory management of SOS operating system, and proposes a new data structure with the combination of memory management methods about mu C / OSII, then deeply...
Wireless sensor network(WSN) is a new method of information acquisition and processing, and has great influence on more and more areas.Firstly, this paper presents a test-bed for WSN node and its appropriate characteristics for WSN node. And then, it specifies the analysis of the necessity of porting software to the exiting hardware platform and solutions to many problems during porting process.Finally,...
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