NOMA-Based Coexistence of Near-Field and Far-Field Massive MIMO Communications

Zhiguo Ding, Robert Schober, H. Vincent Poor

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

This letter considers a legacy massive multiple-input multiple-output (MIMO) network, in which spatial beams have been preconfigured for near-field users, and proposes to use the non-orthogonal multiple access (NOMA) principle to serve additional far-field users by exploiting the spatial beams preconfigured for the legacy near-field users. Our results reveal that the coexistence between near-field and far-field communications can be effectively supported via NOMA, and that the performance of NOMA-assisted massive MIMO can be efficiently improved by increasing the number of antennas at the base station.

Original languageEnglish (US)
Pages (from-to)1429-1433
Number of pages5
JournalIEEE Wireless Communications Letters
Volume12
Issue number8
DOIs
StatePublished - Aug 1 2023
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Control and Systems Engineering

Keywords

  • Non-orthogonal multiple access (NOMA)
  • beamforming
  • near-field communications

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