8 citations · 10 across the 8 of their papers we have counts for
8 papers
Channel Estimation for AFDM With Superimposed Pilots
Kai Zheng, Miaowen Wen, Tianqi Mao +2
The recent proposed affine frequency division multiplexing (AFDM) employing a multi-chirp waveform has shown its reliability and robustness in doubly selective fading channels. In…
Pre-Chirp-Domain Index Modulation for Affine Frequency Division Multiplexing
Guangyao Liu, Tianqi Mao, Ruiqi Liu +1
Affine frequency division multiplexing (AFDM), tailored as a novel multicarrier technique utilizing chirp signals for high-mobility communications, exhibits marked advantages compa…
Near-Space Communications: the Last Piece of 6G Space-Air-Ground-Sea Integrated Network Puzzle
Hongshan Liu, Tong Qin, Zhen Gao +16
This article presents a comprehensive study on the emerging near-space communications (NS-COM) within the context of space-air-ground-sea integrated network (SAGSIN). Specifically,…
Near-Field Sparse Channel Estimation for Extremely Large-Scale RIS-Aided Wireless Communications
Zixing Tang, Yuanbin Chen, Ying Wang +4
A significant increase in the number of reconfigurable intelligent surface (RIS) elements results in a spherical wavefront in the near field of extremely large-scale RIS (XL-RIS).…
Doppler-Resilient Design of CAZAC Sequences for mmWave/THz Sensing Applications
Fan Zhang, Tianqi Mao, Zhaocheng Wang
Ultra-high-resolution target sensing has emerged as a key enabler for various cutting-edge applications, which can be realized by utilizing the millimeter wave/terahertz frequencie…
Terahertz-Band Near-Space Communications: From a Physical-Layer Perspective
Tianqi Mao, Leyi Zhang, Zhenyu Xiao +2
Facilitated by rapid technological development of the near-space platform stations (NSPS), near-space communication (NS-COM) is envisioned to play a pivotal role in the space-air-g…