5G网络语音解决方案目前有两种,分别为演进分组系统回落(evolution packet system falls back,EPS Fallback)和新空口承载语音(voice over new radio,VoNR)。在5G网络建设初期,5G基站覆盖和5G终端渗透率均不高,EPSFallback作为5G语音过...5G网络语音解决方案目前有两种,分别为演进分组系统回落(evolution packet system falls back,EPS Fallback)和新空口承载语音(voice over new radio,VoNR)。在5G网络建设初期,5G基站覆盖和5G终端渗透率均不高,EPSFallback作为5G语音过渡方案,目前随着2.6GHz和700MHz网络的部署,独立组网(standalone,SA)模式逐步实现独立组网,VoNR将作为5G语音的主要方案。为了积极应对VoNR的部署,多维度对比分析VoNR的优势,深入研究了VoNR特性功能、参数以及应用场景,制定了VoNR无线策略,针对上行弱场、干扰、大话务等各类场景下的特性功能部署和优化提供建议和方案,为VoNR正式商用做好准备。展开更多
The virtual community has become a new life style as for human,but the public's acceptance is relatively low at present.So the research about the mechanism of the influence on the cohesiveness and the collective e...The virtual community has become a new life style as for human,but the public's acceptance is relatively low at present.So the research about the mechanism of the influence on the cohesiveness and the collective efficiency in virtual community has an important theoretical value and practical value.In the paper,the key variables that affect virtual community cohesiveness are extracted from two aspects—self-perception of community members and community environment,and the influence mechanism model of virtual community cohesiveness and community collective efficiency is established based on Triadic Reciprocal Determinism.By means of the questionnaire on the community members and the empirical analysis,the key factors influencing cohesiveness of virtual community are brought up,as well as the mechanism that the four dimensions of cohesiveness work,on collective efficiency.According to the results,it is practically meaningful that the problems and insufficiency in the operation of existing virtual community are discovered,which guides the operating managers of the virtual community to formulate operation policy of the virtual community for operating managers to develop strategies.展开更多
文摘5G网络语音解决方案目前有两种,分别为演进分组系统回落(evolution packet system falls back,EPS Fallback)和新空口承载语音(voice over new radio,VoNR)。在5G网络建设初期,5G基站覆盖和5G终端渗透率均不高,EPSFallback作为5G语音过渡方案,目前随着2.6GHz和700MHz网络的部署,独立组网(standalone,SA)模式逐步实现独立组网,VoNR将作为5G语音的主要方案。为了积极应对VoNR的部署,多维度对比分析VoNR的优势,深入研究了VoNR特性功能、参数以及应用场景,制定了VoNR无线策略,针对上行弱场、干扰、大话务等各类场景下的特性功能部署和优化提供建议和方案,为VoNR正式商用做好准备。
基金This work has been supported by National Natural Science Foundation of China (No. 71271032).
文摘The virtual community has become a new life style as for human,but the public's acceptance is relatively low at present.So the research about the mechanism of the influence on the cohesiveness and the collective efficiency in virtual community has an important theoretical value and practical value.In the paper,the key variables that affect virtual community cohesiveness are extracted from two aspects—self-perception of community members and community environment,and the influence mechanism model of virtual community cohesiveness and community collective efficiency is established based on Triadic Reciprocal Determinism.By means of the questionnaire on the community members and the empirical analysis,the key factors influencing cohesiveness of virtual community are brought up,as well as the mechanism that the four dimensions of cohesiveness work,on collective efficiency.According to the results,it is practically meaningful that the problems and insufficiency in the operation of existing virtual community are discovered,which guides the operating managers of the virtual community to formulate operation policy of the virtual community for operating managers to develop strategies.