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The data exchanging between the Programmable Logic Controllers (PLC) is usually completed via wired network in the Distributed Control System (DCS). The wireless communication ZigBee technology is introduced in the design of a new kind of PLC to overcome the limits of the communication cable. The PLC with Micro Controller Unit (MCU) as the core has strong reliability and control ability. The reliability,...
This paper proposed a high frequency spurious suppression 60GHz transceiver, which is composed by single module. It works in the 59–64GHz RF frequency with two 2.16GHz bandwidth IF communication channels in the 8.64GHz. The cavity band pass filters are added in the output of the TX and the LO link to realize the high sideband reject and low spurious. This kind of capacity-loading filter can realize...
An explicit adaptive traffic allocation scheme is investigated in terms of the cooperation across wireless wide area networks (WWANs) and wireless personal area network (WPAN). The analysis and numerical simulations indicate that the proposed scheme achieves inter-networking load balance to minimize the whole transmission delay and expands the communication ability of single-mode terminals to support...
This paper researches the decision-directed channel estimation for MIMO-OFDM systems based on training sequences. For the computational complexity of conventional channel estimation algorithm is too high, we apply the simplified channel estimation algorithm in paper to the MIMO-OFDM systems, which reduces the complexity of the channel estimation. Then an improved simplified channel estimation algorithm...
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