Channel Estimation in UAV-Assisted OFDM Systems by Leveraging LoS and Echo Sensing with Carrier Aggregation

Unmanned aerial vehicle (UAV)-assisted wireless communication systems often employ the carrier aggregation (CA) technique to alleviate the issue of insufficient bandwidth. However, in high-mobility UAV communication scenarios, the dynamic channel characteristics pose significant challenges to channe...

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Auteurs principaux:	Zhuolei Chen, Wenbin Wu, Renshu Wang, Manshu Liang, Weihao Zhang, Shuning Yao, Wenquan Hu, Chaojin Qing
Format:	Artigo
Langue:	Inglês
Publié:	MDPI AG 2025-10-01
Collection:	Sensors
Sujets:	unmanned aerial vehicle (UAV) channel estimation (CE) echo sensing carrier aggregation (CA) delay-Doppler (DD)
Accès en ligne:	https://www.mdpi.com/1424-8220/25/20/6392
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