Meiping Feng

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Ciliated protozoa have many advantages in bioassessment of water quality. The ability of tintinnids for assessing water quality status was studied during a 7-yearcycle in Jiaozhou Bay of the Yellow Sea, northern China. The samples were collected monthly at four sites with a spatial gradient of environmental pollution. Environmental variables, e.g.,(More)
We consider signal transmission with the aid of multiple half-duplex single-antenna relay nodes using the amplify-and-forward (AF) strategy for a multiuser wireless machine-to-machine (M2M) communication system. In such a scenario, relay beamforming has been proved to be an effective way to improve system performance by employing spatial diversity gains.(More)
In this paper, we study power allocation for D2D communications in heterogeneous networks utilizing game theory approach to improve the performance of the whole system. Given D2D’s underlay status in the system, Stackelberg game framework is well suited for the situation. In our scheme, macrocell system and femtocell system are considered as two leaders and(More)
Information of tintinnid community, as an important component of plankton, was limited in Kongsfjorden, Svalbard (Arctic), which is an important Arctic monitoring site for global change. In this paper, we studied the species composition, spatial, and vertical distribution of tintinnids in Kongsfjorden in July 2012. Water samples for tintinnid study were(More)
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