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ZigBee Alliance proposed ZigBee IP standard to support wireless sensor mesh networks. However, the MTU of IEEE 802.15.4 MAC frame is only 127-byte. For the architecture of IPv6 over 802.15.4, the ratio of frame overhead is very high and significantly reduces the ratio of carried data. This paper adopts an error detection mechanism with ultra-low overhead to efficiently improve the ratio of carried...
The work is to fabricate a CMOS-compatible low-loss Si waveguide structures by KrF Excimer laser reformation system. It also solves the on-chip integration issues between electronics and photonics, as well as reduces the propagation loss for on-chip optical interconnect applications. By applying the mold-assisted method, the propagation loss can be reduced to 2±0.2dB/cm.
A novel design featuring a two-stage expansion process is proposed in this study. Without any help of insulation, the design can minimize or even entirely eliminate the formation of condensate in the cold-plate surface for a typical refrigeration system. The design incorporates a double-pipe inlet outlet and a two-container cold plate. A detailed comparison is also made amid conventional cold plate...
Grid computing systems integrate geographical computing resources across virtual organizations. In grid systems, one of the most important challenges is how to efficiently exploit shared computing resources. This study addresses the job migration policies for exploiting computing resources in grid computing systems. In this study, we propose two job migration policies, the load barrier policy and...
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