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Since IEEE 802.11ad doesn't have any recovery mechanism for multicast technology at Media Access Control (MAC) layer, the lost packets can't be detected and retransmitted under the influence of interference, conflictions or other issues. Given this, a Multi-Leader Based Protocol (MLBP) is proposed to reduce the control overhead under the premise of improving the reliability of Millimetre Wave WPANs...
Diversity gain can be achieved when cooperative transmission adopted in the wireless networks, which can provide much help to weak channel communication. Much has been done on the cooperative protocol and the performance analysis. In this paper, a new cooperative schedule is proposed. In which we have discussed three issues: when cooperative transmission should be adopted, how to choose the relay...
Diversity gain can be achieved when cooperative transmission adopted in the wireless networks, which can provide much help to weak channel communication. Much has been done on the cooperative protocol and the performance analysis. In this paper, a new cooperative schedule is proposed. In which we have discussed three issues: when cooperative transmission should be adopted, how to choose the relay...
In this paper factors affecting accuracy of time synchronization in EPON are analysed and the scheme of time synchronization in EPON based on IEEE1588v2 protocol is designed and implemented by FPGA. Experimental result shows that the scheme is feasible and good time synchronization accuracy about 20 nanoseconds can be reached.
Intrusion Detection System (IDS) through collecting and analyzing information from network and Host to check whether there are some signs about attack. Network-based Intrusion Detection System for Virtual Machine Environment is a novel approach to implement the traditional network-based IDS in virtual machine environment. The paper get the network packets from the virtual bridge which is a virtual...
Internet has become the universal information communications infrastructure. VPN is commonly used to implement communications over different branch intranets. IPSec is a suit of protocols that adds security to communications at the IP layer, and it is a popular technology to implement VPN. On the basis of analysis on the insufficiency of traditional IPSec systems, a multi-link aggregate IPSec model...
With the increased interest in the Web services composition, more and more enterprises and businesses depend on this paradigm. Open, distributed and dynamic properties of the schema, there is a pressing need for secure services in daily transactions. Orchestration and choreography language provide basic services standards and interaction, collaboration, and negotiation standards among services, but...
There is a pressing need for secure services composition in agenda transactions. Orchestration and choreography language provide basic services and interaction, collaboration, and negotiation standards among services, but they don't give any secure manners or secure operation styles and specifications. Despite the interest of such security mechanisms, a formal module of them is still lacking. For...
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