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The most common cause of transmission failure in Wireless High Performance(WirelessHP) target industry environments is impulse interference. Asinterleavers are commonly used to improve the reliability on the OrthogonalFrequency Division Multiplexing (OFDM) symbol level for long packettransmission, this paper considers the feasibility of applying short-packet bitinterleaving to enhance the impulse/burst interference resisting capability onboth OFDM symbol and frame level. Using the Universal Software RadioPeripherals (USRP) and PC hardware platform, the Packet Error Rate (PER)performance of interleaved coded short-packet transmission with ConvolutionalCodes (CC), Reed-Solomon codes (RS) and RS+CC concatenated codes are tested andanalyzed. Applying the IEEE 1613 standard for impulse interference generation,extensive PER tests of CC(1=2) and RS(31; 21)+CC(1=2) concatenated codes areperformed. With practical experiments, we prove the effectiveness of bit interleaved coded short-packet transmission in real factory environments. We alsoinvestigate how PER performance depends on the interleavers, codes and impulseinterference power and frequency.

Short-Packet Interleaver against Impulse Interference in Practical Industrial Environments