Waveguide to Meaning: Semantic-Aware NOMA for Pinching-Antenna Systems
Ishtiaque Ahmed, Haris Parvaiz, Leila Musavian

TL;DR
This paper explores semantic communication in pinching-antenna systems using NOMA, optimizing antenna placement and power allocation to enhance semantic spectral efficiency in single and multi-waveguide scenarios.
Contribution
It introduces an optimization framework for antenna placement and power allocation in PASS-NOMA systems, demonstrating improved semantic spectral efficiency over conventional systems.
Findings
NOMA-based PASS achieves higher semantic spectral efficiency.
Multi-waveguide scenario enhances channel adjustability and coverage.
Optimization algorithms effectively improve system performance.
Abstract
We investigate the performance of the pinching-antenna systems (PASS) for semantic communication (SC) in both single-waveguide and multi-waveguide scenarios, under the constraints of bit-user quality of service (QoS) and bit-to-semantic decoding order in a heterogeneous users downlink non-orthogonal multiple access (NOMA). Multiple pinching antennas in the single-waveguide scenario are at a minimum adjacent spacing required to prevent mutual coupling. An alternating optimization (AO)-based algorithm optimizes users power allocation coefficients and position of pinching antennas in the single-waveguide NOMA framework. For the multi-waveguide scenario, assuming adjacent waveguides at a sufficient lateral distance apart, the waveguides power allocation subproblem is solved using monotonic optimization and minorization-maximization (MM) approach. Specifically, a lower bound surrogate is…
Peer Reviews
No public reviews on file for this paper yet. If you reviewed it on a platform where reviews are public (OpenReview, ICLR, NeurIPS, ICML), you can paste yours below so the community can read it here.
Videos
No videos yet. Explain this paper in a talk, walkthrough, or lecture? Add one.
