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In this paper, we investigate performance comparison between Impulse-Radio Ultra-wideband (IR-UWB) and Direct Sequence UWB (DS-UWB) in realistic systems, where Matched-Filter (MF) receivers have finite quantization resolution. Bit-Error-Rate (BER) performance of a high-resolution MF receiver for IR-UWB and DS-UWB is analyzed and compared under typical UWB dispersive channels. Also, performance of...
For the purpose of improving reliability of wireless Foundation Fieldbus (FF), we increased redundancy of the transmission path and compensated for poor communication quality of wireless communication in harsh industrial environments partly. The multi-path transmission mechanism based on wireless FF is proposed. The topology of dual-band and secondary structure based on FF is designed, and it allows...
In this paper, a wireless local area network (WLAN) extension for instrumentation (LXI) [WLXI] bus combining the technology of WLAN and LXI bus is proposed. Several different kinds of methods are designed to implement clock synchronization and triggering. For clock synchronization, a method using the IEEE 1588 protocol based on extended Kalman filter (EKF) is introduced as emphasis. For this method,...
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