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4-PPM optical wireless design for vehicular integrated sensing and communication
  • +4
  • Minghua Cao,
  • Hongtao Zhou,
  • Yan Qiu,
  • Ying Wang,
  • Dan Chen,
  • Yue Zhang,
  • Huiqin Wang
Minghua Cao
Lanzhou University of Technology
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Hongtao Zhou
Lanzhou University of Technology

Corresponding Author:[email protected]

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Yan Qiu
Lanzhou University of Technology
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Ying Wang
Lanzhou University of Technology
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Dan Chen
Xi’an University of Technology
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Yue Zhang
Lanzhou University of Technology
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Huiqin Wang
Lanzhou University of Technology
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Abstract

Conventional light detection and ranging (LiDAR) systems usually employ equal interval multi-pulses as signal carrier. It leads to error-prone ranging and high false alarm probability. As an unequal interval multi-pulses communication method, pulse position modulation (PPM) can also provide commendable ranging performance for LiDAR. In this letter, a novel integrated sensing and communication optical wireless (ISAC-OW) scheme based on fourth-order PPM (4-PPM) is proposed. And a prototype is demonstrated under laboratory conditions, which can transmit 10 Mbps data while ensuring a ranging accuracy of less than 0.12 millimeters.