Movable Antenna Enhanced NOMA Short-Packet Transmission
Xinyuan He, Wen Chen, Qingqing Wu, Xusheng Zhu, Nan Cheng

TL;DR
This paper proposes a movable antenna (MA) enhanced NOMA system for short-packet downlink transmission, optimizing antenna positions and power allocations to improve throughput and reliability, demonstrated through numerical simulations.
Contribution
It introduces a novel MA-enhanced NOMA framework with an optimization method for antenna placement and resource allocation, improving throughput over fixed antenna systems.
Findings
Significant throughput gains with MA-enhanced NOMA
Effective optimization of antenna positions and power allocations
Numerical results validate the proposed approach
Abstract
This letter investigates a short-packet downlink transmission system using non-orthogonal multiple access (NOMA) enhanced via movable antenna (MA). We focuses on maximizing the effective throughput for a core user while ensuring reliable communication for an edge user by optimizing the MAs' coordinates and the power and rate allocations from the access point (AP). The optimization challenge is approached by decomposing it into two subproblems, utilizing successive convex approximation (SCA) to handle the highly non-concave nature of channel gains. Numerical results confirm that the proposed solution offers substantial improvements in effective throughput compared to NOMA short-packet communication with fixed position antennas (FPAs).
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Taxonomy
TopicsAdvanced Wireless Communication Technologies · Optical Wireless Communication Technologies · Antenna Design and Analysis
