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A new anionic framework {[Me2NH2]0.125[In0.125(H2L)0.25]⋅xDMF}n (1) with one‐dimensional (1D) channels along the c axis of about 13.06×13.06 Å2, was solvothermally synthesized and well characterized. Post‐synthetic cation exchange of 1 with Eu3+, Tb3+, Dy3+, Sm3+ afforded lanthanide(III)‐loaded materials, Ln3+@1, with different luminescent behavior, indicating that compound 1 could be used as a potential...
QoS is a key factor to the utility of Wireless Sensor Network (WSN) especially in the case of multiple sources data detecting with different time property. For environment detecting, there are not only same sensors just for one element but also heterogeneous sensors for multiple elements. Sometimes a single sensor has multiple functions to get several elements, which could be indicated to send the...
Collaborative beamforming is a transmission technique by using multiple transmitters to form antenna arrays and creating highly directional beams to a distant receiver. Collaborative beamforming can enhance energy efficiency in wireless sensor networks. However, the same information needs to be shared among the transmitters in advance. As a result, communication among the transmitters is required;...
We propose a photoelastic pressure sensor using a liquid crystal (LC) tunable fiber polarizer. The polarizer contains an etched single-mode fiber sealed in an LC cell. A low-index LC is used as a tunable birefringent cladding of the fiber. Any electric-field-induced LC director reorientation may thus affect the fiber's light-guiding characteristics. Different polarization states experience different...
Coverage is one of the fundamental measurements of quality in wireless sensor networks. In order to prolong the network lifetime while maintaining coverage, many node partition algorithms have been developed. In this article, we model coverage problem by a set coverage problem. Based on the density of information, the optimal node partitions are investigated by solving an ILP problem. An intersection...
This paper introduces the principles, construction and application of a novel real-time hardware-in-the-loop simulation (RT-HILS) platform. The RT-HILS consist of a PC to display the simulation result and calculate the model, a HIL board to generate the analogue signals and measure the output of the target ECU, and a USB-CAN card to implement CAN (controller area network) communication. Multi-thread...
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