Mobile multihop communication network is an important branch of modern mobile communication system, and is an important technical support for ubiquitous communication. The random movement of the nodes makes the networ...Mobile multihop communication network is an important branch of modern mobile communication system, and is an important technical support for ubiquitous communication. The random movement of the nodes makes the networking be more flexible, but the frequently changing topology will decrease the link duration between nodes significantly, which will increase the packets loss probability and affect the network communication performance. Aiming at the problem of declining link duration caused by nomadic characteristics in mobile multihop communication network, four link duration models for possible moving states are established based on different features in real networking process in this paper, which will provide reliable criterion for the optimal routing selection. Model analysis and simulation results show that the reliable route established by the proposed model will effectively extend the link duration, and can enhance the global stability of the mobile multihop information transmission, so as to provide new option to transmission reliability improvement for the mobile communication network.展开更多
This paper brings forward a method of experimental teaching reform of universities and colleges,which establishes an interactive simulation experiment platform with MATLAB simulation software.The platform uses visual ...This paper brings forward a method of experimental teaching reform of universities and colleges,which establishes an interactive simulation experiment platform with MATLAB simulation software.The platform uses visual man-machine interface,which avoids a lot of programming and debugging work,and improves students’learning enthusiasm.Simultaneously,it implements remote simulation based on JAVA under web environment,which is convenient for network teaching,and improves flexibility and practicability of the simulation experiment platform.展开更多
基金support by the National Natural Science Foundation of China under Grant No.61302074, 61571181Natural Science Foundation of Heilongjiang Province under Grant No.QC2013C061+2 种基金Modern Sensor Technology Research and Innovation Team Foundation of Heilongjiang Province No. 2012TD007Postdoctoral Research Foundation of Heilongjiang Province No. LBH-Q15121Postgraduate Innovation Research Foundation of Heilongjiang University under Grant No. YJSCX2016-019HLJU
文摘Mobile multihop communication network is an important branch of modern mobile communication system, and is an important technical support for ubiquitous communication. The random movement of the nodes makes the networking be more flexible, but the frequently changing topology will decrease the link duration between nodes significantly, which will increase the packets loss probability and affect the network communication performance. Aiming at the problem of declining link duration caused by nomadic characteristics in mobile multihop communication network, four link duration models for possible moving states are established based on different features in real networking process in this paper, which will provide reliable criterion for the optimal routing selection. Model analysis and simulation results show that the reliable route established by the proposed model will effectively extend the link duration, and can enhance the global stability of the mobile multihop information transmission, so as to provide new option to transmission reliability improvement for the mobile communication network.
文摘This paper brings forward a method of experimental teaching reform of universities and colleges,which establishes an interactive simulation experiment platform with MATLAB simulation software.The platform uses visual man-machine interface,which avoids a lot of programming and debugging work,and improves students’learning enthusiasm.Simultaneously,it implements remote simulation based on JAVA under web environment,which is convenient for network teaching,and improves flexibility and practicability of the simulation experiment platform.
