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Sensors 2019, 19(6), 1294;

Channel Measurement and Feasibility Test for Wireless Avionics Intra-Communications

Department of Computer Science, School of Computing, National University of Singapore, Singapore 117417, Singapore
School of Electrical Engineering, College of Engineering, KAIST, Daejeon 34141, Korea
Agency for Defense Development, Daejeon 34186, Korea
Department of Electronics Engineering, Chungnam National University, Daejeon 34134, Korea
Department of Information and Communication Engineering, Gyeongsang National University, Tongyeong 53064, Korea
Authors to whom correspondence should be addressed.
Current address: 13 Computing Drive, Computing 1, #03-27, Singapore 117417, Singapore.
Received: 13 February 2019 / Revised: 6 March 2019 / Accepted: 9 March 2019 / Published: 14 March 2019
(This article belongs to the Section Sensor Networks)
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Wireless avionics intra-communication (WAIC) refers to a wireless communication system among electronic components (e.g., sensors and actuators) that are integrated or installed in an aircraft and it is proposed to replace heavy and expensive wired communication cables. Recently, the use of a frequency band (4.2–4.4 GHz) for the WAIC (so-called, WAIC band) has been approved by international telecommunication union (ITU). Accordingly, several existing wireless protocols such as IEEE 802.11 and IEEE 802.15 are being considered as candidate techniques for the intra-avionics sensor network. In this paper, we perform a real field experiment to investigate wireless channel characteristics in intra-avionics sensor networks at the WAIC bands by a software-defined radio platform (universal software radio peripheral, USRP) and self-produced monopole antennas for the WAIC band. Through the experiment, we validated the feasibility of IEEE 802.11 protocol for the intra-avionics sensor network at the WAIC band in real aircraft environments. Furthermore, based on the measurement data, we evaluated the bit error rate (BER) performance of multiple antenna techniques where we considered the maximum ratio combining (MRC) for the multi-antenna receiver and the space-time block coding (STBC) for the multi-antenna transmitter. View Full-Text
Keywords: channel measurements; IEEE 802.11; monopole antennas; sensor networks; software-defined radio (SDR); wireless avionics intra-communications (WAIC) channel measurements; IEEE 802.11; monopole antennas; sensor networks; software-defined radio (SDR); wireless avionics intra-communications (WAIC)

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Bang, I.; Nam, H.; Chang, W.; Kim, T.; Woo, J.-M.; Kim, C.-Y.; Ban, T.-W.; Park, P.; Jung, B.C. Channel Measurement and Feasibility Test for Wireless Avionics Intra-Communications. Sensors 2019, 19, 1294.

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