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Author

Vimal Bhatia

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Open access Aug 2026

Asymptotic Performance Analysis of Diversity-Enabled Finite-Block length Systems over the Family of Single and Double Shadowed κ-μ Fading Channels

The analytical complexity inherent in the family of κ−μ/shadowed fading family often restricts its practical applicability in diversity-based systems and complicates the direct interpretation of performance metrics for wireless communication systems. To overcome these challenges, this work proposes a unified and simpli...

Ankit Jain, Imran Ullah Khan, P. S. Chauhan et al. · 0 citations
Open access 2026

Energy-Efficient Hexagonal QAM for Fluid Antenna Systems: ASER Analysis Under Imperfect CSI

This letter investigates the performance of an N-port FAS over Nakagami-m fading channels under imperfect CSI, and reveals that HQAM outperforms conventional QAM, achieving approximately 2 dB and 0.8 dB SNR gains over 128-RQAM and 256-SQAM, respectively.

Sukhsagar, Nagendra Kumar, Vimal Bhatia et al. · 0 citations

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