Key Physical Layer Technologies of Broadband Ad Hoc Network in Low-altitude

Ad hoc network technology is more and more used in tactical communication and emergency communication systems due to its maneuverability, flexibility, high efficiency, convenience, and rapid coverage of the support area. It can rely on low-altitude small drones as carriers to carry mobile communicat...

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Published in2020 IEEE 4th Information Technology, Networking, Electronic and Automation Control Conference (ITNEC) Vol. 1; pp. 720 - 724
Main Authors Zhenyi, Wang, Zouli, Feifan, Liao
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2020
Subjects
Ad hoc networks
Broadband Ad Hoc Network
Broadband communication
Computer architecture
OFDM
Parity check codes
Physical layer
Software Defined Radio
UAV
Wireless communication
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Summary:Ad hoc network technology is more and more used in tactical communication and emergency communication systems due to its maneuverability, flexibility, high efficiency, convenience, and rapid coverage of the support area. It can rely on low-altitude small drones as carriers to carry mobile communication repeaters to quickly form a regional low-altitude broadband ad hoc network. This paper analyzes the application scenarios of low-altitude broadband ad hoc networks, and optimizes the physical layer parameters of 802.11 series wireless communications for low-altitude channels, and uses low-density parity-check (LDPC) in combination with Orthogonal Frequency Division Multiplexing(OFDM), Coded Orthogonal Frequency Division Multiplexing (COFDM) technology based on software, proposes a physical layer architecture of low-altitude wideband ad hoc network based on software radio, and gives specific parameters under 5MHz bandwidth. Through simulation experiments and hardware Verify that the physical layer architecture works well.
DOI:10.1109/ITNEC48623.2020.9084769