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eess.SP2026
TFZ-Tree: An Ultra-Lightweight Waveform Classification Framework for Resource-Constrained Devices
Hao Wang, Kuang Zhang, Yonggang Chi +3
Under the trend of multi-waveform coexistence in 6G IoT, intelligent receivers must first identify physical-layer waveform types before performing correct demodulation and resource…
eess.SP2026
WHTDM: Walsh-Hadamard Transform Division Multiplexing for Doubly-Selective Channels
Wang Hao, Yuan Zhonghao, Chi Yonggang +3
We propose Walsh-Hadamard Transform Division Multiplexing (WHTDM), a multicarrier waveform that replaces the conventional IFFT/FFT pair in OFDM with a real-valued, unitary Walsh-Ha…