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Power Minimization for NOMA-assisted Pinching Antenna Systems With Multiple Waveguides
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Power Minimization for NOMA-assisted Pinching Antenna Systems With Multiple Waveguides
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The integration of pinching antenna systems with non-orthogonal multiple access (NOMA) has emerged as a promising technique for future 6G applications. This paper is the first to investigate power minimization for NOMA-assisted pinching antenna systems utilizing multiple dielectric waveguides. We formulate a total power minimization problem constrained by each user's minimum data requirements, addressing a classical challenge. To efficiently solve the non-convex optimization problem, we propose an iterative algorithm. Furthermore, we demonstrate that the interference function of this algorithm is standard, ensuring convergence to a unique fixed point. Numerical simulations validate that our developed algorithm converges within a few steps and significantly outperforms benchmark strategies across various data rate requirements. The results also indicate that the minimum transmit power, as a function of the interval between the waveguides, exhibits an approximately oscillatory decay with a negative trend.
Forward citations
Cited by 6 Pith papers
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Spacing-Based Coupling Radiation Control in Pinching-Antennas Systems for Heterogeneous NOMA Users
Spacing-controlled radiation in pinching-antenna systems enables higher semantic spectral efficiency for heterogeneous NOMA users while meeting bit-user QoS constraints.
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Robust Single- and Multi-Pinching Antenna Systems Under User Location Uncertainty
The work proposes convex SDP and block coordinate descent algorithms that guarantee QoS for pinching antenna systems under bounded user location uncertainty while keeping power close to outage benchmarks.
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Semantic-aware NOMA in pinching-antenna systems yields higher semantic spectral efficiency than fixed-antenna baselines while satisfying bit-user QoS constraints.
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Hybrid Wireless-Fed Pinching-Antenna Systems with Residual Self-Interference-Aware Optimization
A closed-form solution minimizes total power in a horn-fed, relay-assisted pinching-antenna system by optimizing the pinching position, relay gain, and base-station power.
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Reconfigurable Antennas for Next-generation Mobile Communication Networks: A Comprehensive Survey and Tutorial
A survey and tutorial on reconfigurable antennas for 6G networks covering fluid, movable, pinching, and holographic antennas with channel modeling, performance analysis, resource allocation, and open challenges.
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The paper provides a comprehensive review and categorization of pinching antenna systems (PASS) for objectives including network coverage, data rate, secure transmission, sensing, integrated sensing and communication,...
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