Pinching-antenna systems can beat conventional and massive MIMO for multigroup multicast by repositioning antennas along waveguides, with waveguide-multiplexing best for dense users and waveguide-division best for separated groups.
Joint spati al division and multiplexing—the large-scale array regime,
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Multigroup Multicast Design for Pinching-Antenna Systems: Waveguide-Division or Waveguide-Multiplexing?
Pinching-antenna systems can beat conventional and massive MIMO for multigroup multicast by repositioning antennas along waveguides, with waveguide-multiplexing best for dense users and waveguide-division best for separated groups.