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With the development of network especially the internet technology, the communication between spacecraft and ground station based on network is becoming a hot research topic. In order to link terminals between space and ground, a network architecture according to the characteristics of the RF links between space and ground, is given in this paper, which is mainly base on the IP over CCSDS protocol...
With the fast development of all kinds of communication technologies and the popularization of Internet, Next Generation Networks have a major impact on existing communications technology, which cover conventional PSTN (Public Switched Telephone Network) type of data and voice communications to multiple applications, consisting of voice, data and video and other new media applications. The key issue...
In this paper we investigate the benefits of power gating in wireless sensor nodes operating at a very low duty cycle. It is shown that the static power loss in such a node is significant portion of the total power consumption. Therefore, we have defined power-gated wireless sensor node architecture and developed a power gating mechanism to reduce the static power loss of its functional blocks. The...
This paper describes a methodology for building a reliable internet core router that considers the vulnerability of its electronic components to single event upset (SEU). It begins with a set of meaningful system level metrics that can be related to product reliability requirements. A specification is then defined that can be effectively used during the system architecture, silicon and software design...
In the ten years since TETRA (terrestrial trunked radio) standard from ETSI (European Telecommunications Standards Institute) has been available on the worldwide market, it has become the leading PMR (private/professional mobile radio) technology of choice especially in networks for public safety. Since it was first standardized the system evolved in various directions, both in application and technology...
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