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This paper targets on energy saving and considers network responding time for backbone networks. The objective is to find idle links as many as possible which can be put into sleep mode under the situation of quality of service (QoS)-guaranteed. This paper proposes a software defined network (SDN) based routing strategy which is especially aimed at QoS-guaranteed energy saving for backbone networks...
Barrier coverage has attracted much attention in the past few years for its various applications, such as border surveillance and intrusion detection. In these applications, it is critical to achieve a strong barrier to ensure detecting any penetration of intruders in an energy-efficient manner so that the barrier can be covered with as few active sensors as possible. In this paper, we study the target...
This paper consider the problem of obtaining the channel state information (CSI) in downlink massive MU-MIMO systems. As a key technology of future wireless communication, massive MIMO has attracted widespread interest, however, amount of the CSI required became a bottleneck for practical application, especially for FDD transmitting method. In this paper, we propose a novel transmitting scheme, combined...
Based on the character of alcohol wastewater in some corporation, this article introduces sewage treatment processes, technique principles and characteristics about UASB & SBR process, and discusses the effect and problem in debugging and operation. The results show that the process operates flexible, has good stability, and has high removal effect to COD, BOD and SS, which appear the process...
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