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Research and implementation of synchronization for ultra-wide bandwidth receiver within enclosed metal cabin

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Abstract

Aiming at solving the problem of wireless communications within the enclosed metal cabin, such as, spacecraft and aircraft cabin, the enclosed metal cabin statistical channel parameters are given based on channel measurements which prove the channel characteristics of the strong multipath channel environments. Ultra-wideband wireless communications technology is suitable to apply in such enclosed metal cabin with the strong anti-multipath ability. Due to the extremely wide bandwidth, design and implementation of synchronization with low complexity is important for the receiver. In this paper, an improved parallel synchronization scheme consists of 1-bit quantization and multipath energy accumulation is proposed. Owing to 1-bit quantization, the computation of correlation can be simplified by transferring complex operation of multiplication into the easy operation of addition in FPGA. The synchronization performance is observed through analytical expressions corroborated by simulations which show that the 1-bit quantization can reduce the complexity significantly with a little loss in signal noise ratio. By investigating the probabilities of false alarm and missed detection in simulation, the optical threshold of synchronization is also obtained. On this basis, the hardware implementation of the physical layer algorithm and the experimental verification in the enclosed metal cabin are performed. Experiments show that the design of synchronization scheme can overcome the strong multipath effect and achieve large capacity and low bit error rate transmission.

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Acknowledgements

This work was supported in part by the National Natural Science Foundation of China (Nos. 61402044, 61620106001), in part by the major project of the National Social Science Foundation of China (12&ZD234), in part by the Beijing Excellent Talent Support Program (No. 2016000026833ZK08), in part by the Beijing Nova Program (No. Z161100004916086), and in part by the Support Plan for the Construction of High Level Teachers in Beijing Municipal Universities (No. CIT&TCD201704065).

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  1. School of Information and Communication Engineering, Beijing Information Science and Technology University, Beijing, 100192, China

    Zhan Xu

  2. Key Laboratory of Modern Measurement & Control Technology, Ministry of Education, Beijing Information Science and Technology University, Beijing, 100192, China

    Xiaoli Xu

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  1. Zhan Xu
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  2. Xiaoli Xu
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Correspondence to Zhan Xu.

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Xu, Z., Xu, X. Research and implementation of synchronization for ultra-wide bandwidth receiver within enclosed metal cabin. Cluster Comput 22 (Suppl 3), 5869–5880 (2019). https://doi.org/10.1007/s10586-017-1661-2

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