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4篇 您的检索式:作者名="Wang Wennai"
    题名 作者 年代 出处 被引量
1Green Networking Based Energy Efficient Communications显示文摘The mainstream approaches to green networking are discussed first from the view of engineering,including resource consolidation,server virtualization,selective connectedness,and proportional computing.A brief introduction to network virtualization techniques is given then and a virtual node embedding approach is provided.Finally,three kinds of enhanced green networking schemes by network virtualization are proposed,that is enhancement to sever virtualization,resource consolidation and Adaptive Link Rate(ALR).Examples are included to show the virtue of network virtualization to green networking in terms of energy efficient communications.Wang Wennai Mi Zhengkun Wang Bin 2012China Communications2012,9,2:2
2Decomposition of C_(70) and C_(60) Under Laser Irradiation Monitored by Raman Spectroscopy显示文摘The degradation of C_(60) in organic solution by light has been reported by Taylor et al.[Nature,351(1991)277].The powders of the mixture of C_(60) and C_(70) prepared by arc heating ofgraphite electrodes in the environment of He gas was not to be stable with respect to intense irradiation of argon laser(488.0nm),as monitored by Raman spectrascopy,C_(70) is found to be first decomposed into fragmentary graphite,then C_(60) followed suit.It is interesting to note that besides graphite,some traces of diamond-like structure are shown confirming some speculations of Mackay[Nature,352(1991)762].CHENG Guangxu ZANG Wencheng YANG Ping WANG Wennai GU Gang DOU Youwei FENG Duan 1992Chinese Physics Letters1992,9,11:0
3Ether net Ring Protection for ITU-T G.8032显示文摘Ethernet Ring Protection (ERP) introduced by ITU-T G.8032 Recommendation is a new type of packet-switched network protection technology, which can provide ring automatic protection switch. However, the Filtering Database (FDB) flush method adopted in the current ERP standard has the drawback of introducing a large amount of transient traffic overshoot caused by flooded Ethernet frames right after protection switching. In this article, we propose a G.8032 ERP scheme that uses FDB flush based on area to resolve this issue and investigate how the proposed scheme deals with the traffic flooding problem. The theoretical analysis and simulation show that the proposed scheme can effectively improve the performance of the Ethernet ring by decreasing the unnecessary FDB flush in comparison with the existing approaches.Wang Bin Wang Wennai 2012China Communications2012,9,11:0
4ENERGY-SAVING SCHEDULING FOR LTE MULTICAST SERVICES显示文摘In the Long Term Evolution(LTE)downlink multicast scheduling,Base Station(BS)usually allocates transmit power equally among all Resource Blocks(RBs),it may cause the waste of transmit power.To avoid it,this paper put forward a new algorithm for LTE multicast downlink scheduling called the Energy-saving based Inter-group Proportional Fair(EIPF).The basic idea of EIPF is to calculate an appropriate transmitting power for each group according to its data rate respectively,and then follow the inter-group proportional fair principle to allocate RBs among multicast groups.The results of EIPF simulation show that the proposed algorithm not only can reduce the transmit power of BS effectively but also improve the utilization rate of energy.Deng Keke Wang bin Guo Hui Wang Wennai 2013Journal of Electronics(China)2013,30,5:0
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