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20 results for “probabilistic constellation shaping”

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eess.SPeess.SYEmpiricalRecentJun 9, 2026

Fundamentals of NOMA in Low-Earth Orbit Coordinated Multi-Satellite Networks

Xiangyu Li, Bodong Shang, Junchao Ma, Qingqing Wu +2 more

This paper investigates the downlink performance of CoMS-NOMA networks from a system-level perspective.

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quant-phcs.ITEmpiricalRecentJul 7, 2026

Secret Key Rate Analysis of Distribution Matching Algorithms for Discrete-Modulated CV-QKD

Micael Dias, Caroline Alves, Gabrielly Roman, Søren Forchhammer

This paper investigates the impact of distribution matching algorithms on the secret key rate and tolerance to excess noise in continuous variable quantum key distribution protocols with discrete modu…

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cs.ITTheoreticalRecentJul 17, 2026

Perturbation Power Selection for First-Error Delay Maximization in Enhanced SC Decoding

Zhicheng Liu, Liuquan Yao, Shuai Yuan, Zhongjun Yang +4 more

This paper analyzes the non-monotonic relationship between perturbation power and the probability of delaying the first error position in finite-length PE-SC decoding. It proposes an efficient perturb…

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math.PRcs.ITmath.MGTheoreticalRecentJul 15, 2026

Stochastic Domination of Gaussian Maxima: A Resolution to the Weak Simplex Conjecture

Abhijeet Mulgund

The paper proves a stochastic comparison for Gaussian maxima, resolving the Weak Simplex Conjecture and proving the Simplex Mean Width Conjecture.

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eess.SPTheoreticalRecentJun 18, 2026

Reliable ORIS-assisted FSO Communications via HARQ

Georgios D. Chondrogiannis, Athanasios P. Chrysologou, Vasilis K. Papanikolaou, Alexandros-Apostolos A. Boulogeorgos +2 more

This paper proposes an FSO link with ORIS and HARQ for reliable data transmission, deriving statistical models, outage probability expressions, and delay characterization.

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eess.SPcs.AIRecentMay 29, 2026

DRIFT: Joint Channel Estimation and Prediction Towards Pilotless 6G Non-Terrestrial Networks

Bruno De Filippo, Carla Amatetti, Alessandro Vanelli-Coralli

The paper proposes DRIFT, a lightweight joint channel estimation and prediction framework, to significantly reduce pilot overhead and boost spectral efficiency in power-constrained LEO Non-Terrestrial…

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cs.DScs.CRmath.NTRecentMay 17, 2026

Module Lattice Security (Part III): Structured CVP Distance on the Log-Unit Lattice

Ming-Xing Luo

The paper analyzes the structured CVP distance on the log-unit lattice of cyclotomic fields, significantly reducing the conjectured CDPR factor for the ML-KEM cryptosystem from exponential to sub-poly…

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eess.SPTheoreticalRecentJul 17, 2026

Multibit Quantized Precoding for MU-mMIMO

Getuar Rexhepi, Shreesal Shrestha, Christoph Studer, Giuseppe Thadeu Freitas de Abreu

This paper proposes a new method, multibit quantized precoding (MQP), for multi-user massive MIMO systems with low-resolution digital-to-analog converters, enforcing the finite-alphabet constraint thr…

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cs.LGcs.NIEmpiricalRecentJun 28, 2026

Deciphering Region-Level Signatures from Latency Measurements in LEO Satellite Internet

Xiang Shi, Yifei Zhang, Peng Hu

This paper proposes a hierarchical analytical framework to characterize region-level latency differences in Low-Earth orbit satellite Internet using Starlink RTT measurements.

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cs.ITeess.SPTheoreticalRecentJul 9, 2026

Multiuser Zak-OTFS on the Uplink with Superimposed Spread-Pilots

Sai Pradeep Muppaneni, Ananthanarayanan Chockalingam

This paper derives closed-form expressions for the effective channel between users in a multiuser Zak-OTFS system with heterogeneous delay-Doppler periods, and shows negligible inter-user interference…

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cs.ITeess.SPTheoreticalRecentJul 21, 2026

Distribution of $k$-th Maximum Order Statistics of Independent, & Non-Identical SNR random variables in $κ-μ$ fading and its applications in $6G$

Srinivas Sagar, Athira Subhash, Sheetal Kalyani

This paper derives the asymptotic distribution of the k-th maximum order statistics of signal to noise ratio for a κ-μ fading channel using extreme value theory, and applies these results to various c…

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eess.SPTheoreticalRecentJul 3, 2026

A Sheaf-Theoretic Framework for Distributed Multi-Site Channel Charting

Enrico Grimaldi, Leonardo Di Nino, Mario Edoardo Pandolfo, Gabriele D'Acunto +2 more

This paper proposes a framework for multi-site channel charting in wireless networks using topological signal processing, enabling coherent integration of locally learned representations into a shared…

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cs.ITcs.AIcs.MAEmpiricalRecentJul 20, 2026

Autonomous Discovery of Wireless Communications Algorithms

Fayçal Aït Aoudia, Jakob Hoydis, Sebastian Cammerer, Gian Marti +3 more

The paper introduces The AI Telco Engineer (AITE), a framework for autonomously designing wireless communication algorithms using large language models, achieving better performance and reduced latenc…

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eess.SPTheoreticalRecentJul 21, 2026

Outage-Constrained Environment Division Multiple Access (EDMA) for Pinching-Antenna Systems

Weihao Mao, Yang Lu, Yanqing Xu, Zhiguo Ding

This paper proposes a multi-user PA-enabled EDMA framework to maximize total information rate in the presence of probabilistic LoS blockages, random NLoS scattering, and practical inwaveguide attenuat…

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