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Sponsored AI Networking Cookbook: Practical recipes for AI-assisted network automation and development AI Networking Cookbook: Practical recipes for AI-assisted network automation and development

Author

Henry H. Liao

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2026

Precoded OFDM With Spectrum-Aligned DFT for Extreme Doppler UWA Channels

Orthogonal Frequency-Division Multiplexing (OFDM) systems without in-band pilots suffer from catastrophic Inter-Carrier Interference (ICI) and irreducible error floors when subjected to extreme Carrier Frequency Offset (CFO). While cross-domain waveforms like OTFS address high Doppler spreads, their detection complexit...

Henry H. Liao, Kaiyuan Wang, Y. Wan · 1 citation
Open access 2026

Spectrum-Aligned DFT for THz Massive MIMO: A Fully Digital Transmit Precoding Solution to the Bandwidth Disaster

The transition to terahertz (THz) and millimeter-wave (mmWave) frequencies is essential for meeting the extreme data-rate demands of 6G wireless networks. However, the associated ultra-wide bandwidth induces severe beam squint—a frequency-dependent beam misalignment that drastically reduces array gain and spectral effi...

Henry H. Liao, Kaiyuan Wang, Y. Wan · 0 citations

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