通信技术的发展、生理传感技术的进步和日益增长的人体生理信息跟踪需求等催生了无线体域网(Wireless Body Area Network),WBAN旨在提供实时的、无处不在的人体监测来执行独立的早期预测、诊断和身体跟踪响应的护理,并日渐成为研究和应...通信技术的发展、生理传感技术的进步和日益增长的人体生理信息跟踪需求等催生了无线体域网(Wireless Body Area Network),WBAN旨在提供实时的、无处不在的人体监测来执行独立的早期预测、诊断和身体跟踪响应的护理,并日渐成为研究和应用的热点。作为传感器网络的一个分支,其日渐成为研究的重点。随着WBAN在人类日常生活中的重要性日趋突出,专用于无线体域网(WBAN)的标准IEEE802.15.6于2012年颁布。主要针对多个体域网网间组网及其管理进行研究,同时对体域网间组网及管理的研究现状进行分析和总结。最后,分析了无线体域网组网及管理需要解决的问题和未来研究的方向。展开更多
With the rapid development of network, the phenomenon of Internet addiction is prevalent on campuses, which has produced a variety of negative effects on college students in terms of learning, living, working and so o...With the rapid development of network, the phenomenon of Internet addiction is prevalent on campuses, which has produced a variety of negative effects on college students in terms of learning, living, working and so on. In recent years, there are many research literatures on Internet addiction overseas, covering all aspects of this psychological phenomenon. Moreover, domestic research on Internet addiction started late. In the light of the fact that college students do not have clear understanding on hazards of Interact addiction, it generally shows their self- control is poor. They do not believe they can control their behavior and results and give up taking responsibility for the results and tend to agree network identity. Based on this phenomenon, we propose the network psychological source control concept. In view of the close contact between the excessive use of the network and the individual time management, this study selected the time dimension of personality characteristics on Internet addiction as another influencing factor, and explored the integrated influence of the psychological source control to Internet addiction.展开更多
Because the node of vehicular ad-hoc networks has the characteristics of high mobility and encounter temporary, a trust management between the nodes in the routing process becomes more difficult. To solve this problem...Because the node of vehicular ad-hoc networks has the characteristics of high mobility and encounter temporary, a trust management between the nodes in the routing process becomes more difficult. To solve this problem, this paper proposes a new trusted routing protocol in VANET based on GeoDTN＋Nav by using trust management model of Bayesian and the three opportunistic routing forwarding models, which includes four steps of the routing initialization, the routing discovery, the trusted routing establishment and the routing deletion. The proposed protocol not only improves the security of routing, but also has the lower time complexity. Besides, experimental results and analysis show that the protocol has achieved good performance in the removal ratio of malicious nodes, correct reception ratio of packet and the message payload.展开更多
The network of political participation is relative to the traditional political participation, it takes the Internet as a carrier, with distinctive character, with a more convenient, fast, and even without time and sp...The network of political participation is relative to the traditional political participation, it takes the Internet as a carrier, with distinctive character, with a more convenient, fast, and even without time and space constraints advantage. Political participation has to be affected by the social and economic development, political system, social and environmental factors, countries generally believe that collaboration between the Government and social organizations, networks of enterprises, schools and other interested parties are currently the main mode of network governance. College students are the main power of the network of political participation, the university plays an important role in the political participation process. Therefore, this article takes online political participation of college students as a starting point, through questionnaires and case interviews and other methods to investigate the current status of college students online political participation, analyze network characteristics and problems of college students in political participation, to guide the college network path which provides reference for orderly participation in political studies.展开更多
文摘通信技术的发展、生理传感技术的进步和日益增长的人体生理信息跟踪需求等催生了无线体域网(Wireless Body Area Network),WBAN旨在提供实时的、无处不在的人体监测来执行独立的早期预测、诊断和身体跟踪响应的护理,并日渐成为研究和应用的热点。作为传感器网络的一个分支,其日渐成为研究的重点。随着WBAN在人类日常生活中的重要性日趋突出,专用于无线体域网(WBAN)的标准IEEE802.15.6于2012年颁布。主要针对多个体域网网间组网及其管理进行研究,同时对体域网间组网及管理的研究现状进行分析和总结。最后,分析了无线体域网组网及管理需要解决的问题和未来研究的方向。
文摘With the rapid development of network, the phenomenon of Internet addiction is prevalent on campuses, which has produced a variety of negative effects on college students in terms of learning, living, working and so on. In recent years, there are many research literatures on Internet addiction overseas, covering all aspects of this psychological phenomenon. Moreover, domestic research on Internet addiction started late. In the light of the fact that college students do not have clear understanding on hazards of Interact addiction, it generally shows their self- control is poor. They do not believe they can control their behavior and results and give up taking responsibility for the results and tend to agree network identity. Based on this phenomenon, we propose the network psychological source control concept. In view of the close contact between the excessive use of the network and the individual time management, this study selected the time dimension of personality characteristics on Internet addiction as another influencing factor, and explored the integrated influence of the psychological source control to Internet addiction.
文摘Because the node of vehicular ad-hoc networks has the characteristics of high mobility and encounter temporary, a trust management between the nodes in the routing process becomes more difficult. To solve this problem, this paper proposes a new trusted routing protocol in VANET based on GeoDTN＋Nav by using trust management model of Bayesian and the three opportunistic routing forwarding models, which includes four steps of the routing initialization, the routing discovery, the trusted routing establishment and the routing deletion. The proposed protocol not only improves the security of routing, but also has the lower time complexity. Besides, experimental results and analysis show that the protocol has achieved good performance in the removal ratio of malicious nodes, correct reception ratio of packet and the message payload.
文摘The network of political participation is relative to the traditional political participation, it takes the Internet as a carrier, with distinctive character, with a more convenient, fast, and even without time and space constraints advantage. Political participation has to be affected by the social and economic development, political system, social and environmental factors, countries generally believe that collaboration between the Government and social organizations, networks of enterprises, schools and other interested parties are currently the main mode of network governance. College students are the main power of the network of political participation, the university plays an important role in the political participation process. Therefore, this article takes online political participation of college students as a starting point, through questionnaires and case interviews and other methods to investigate the current status of college students online political participation, analyze network characteristics and problems of college students in political participation, to guide the college network path which provides reference for orderly participation in political studies.
