Ismo H. Puustinen

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—Unwanted Internet background traffic (often called ―Internet background radiation‖) is received to every public IPv4 address. This is a problem for cellular phones with an always-online GPRS connection, because receiving the unwanted sporadic data traffic will cause the cellular radio to be used, which in turn drains the device battery. We present(More)
In lakes, spatial and temporal variability of water chemistry and phytoplankton are characteristic phenomena although often difficult to link together. This motivated us to study their interplay in Lake Vanajanselkä, a eutrophic lake in Finland. We hypothesized that in summer spatial and temporal differences in phytoplankton and water chemistry can be(More)
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