On the Application of BAC-NOMA to 6G umMTC

12 Feb 2021 Zhiguo Ding H. Vincent Poor

This letter studies the application of backscatter communications (BackCom) assisted non-orthogonal multiple access (BAC-NOMA) to the envisioned sixth-generation (6G) ultra-massive machine type communications (umMTC). In particular, the proposed BAC-NOMA transmission scheme can realize simultaneous energy and spectrum cooperation between uplink and downlink users, which is important to support massive connectivity and stringent energy constraints in umMTC... (read more)

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  • INFORMATION THEORY
  • INFORMATION THEORY