Abstract
AbstractThis article studies non‐orthogonal multiple access (NOMA) backscatter communication (BackCom) system under the scene of the moving reader. As the reader moves, the communication link between backscatter nodes (BNs) and the reader is dynamic, and the computational complexity of regrouping is high. To address these problems, a dynamic NOMA‐BackCom scheme is proposed, which consists of a dynamic multiplexing BNs scheme and a dynamic scheme of choosing the reflection coefficient. Moreover, a performance evaluation is conducted to compare the decoding rate of the proposed scheme and the traditional scheme. Simulation results show that the proposed scheme has higher decoding rate and better throughput than the traditional scheme.
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