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A TDMA Approach for OFDM-Based Multiuser radcom Systems

China Communications 2023年第5期20卷 93-103页

作者： Yixuan Huang Su Hu Gang Wu National Key Laboratory on Communications University of Electronic Science and Technology of ChinaChengdu 611731China

This paper is focused on the multiuser implementation of fusion of radar and communication(radcom)in internet-of-vehicles(IoV)*** time-division multiple access(TDMA)technology degrades the velocity detection performance of orthogonal frequency-division multiplexing(OFDM)-based radcom *** propose a new TDMA approach for OFDM-based radcom systems,where multiuser communication and radar detection are completed *** consider a continuous-wave TDMA OFDM structure in which random user data or Zadoff-Chu(ZC)sequences are transmitted in one symbol duration to ensure detection *** an application of interference cancellation method,user data demodulation and environment sensing can be simultaneously accomplished by our proposed *** carry out numerical evaluation and show wireless communication and radar detection performance over the continuous-wave TDMA OFDM-based radcom approach.

关键词： radcom time-division multiple access(TDMA) orthogonal frequency-division multiplexing(OFDM) internet-of-vehicles(IoV)

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