5 papers
BEM-Assisted Low-Complexity Channel Estimation for AFDM Systems over Doubly Selective Channels
Limin Liu, Zhe Li, Qihao Peng +3
In this paper, we propose a low-complexity channel estimation scheme of affine frequency division multiplexing (AFDM) based on generalized complex exponential basis expansion model…
Dynamic Resource Allocation in Distributed MIMO-LEO Satellite Networks
Qihao Peng, Qu Luo, Yi Ma +5
This paper characterizes the impacts of channel estimation errors and Rician factors on achievable data rate and investigates the user scheduling strategy, combining scheme, power…
Latency-Aware Resource Allocation for Integrated Communications, Computation, and Sensing in Cell-Free mMIMO Systems
Qihao Peng, Qu Luo, Zheng Chu +5
In this paper, we investigate a cell-free massive multiple-input and multiple-output (MIMO)-enabled integration communication, computation, and sensing (ICCS) system, aiming to min…
Performance Analysis of BEM-based Channel Estimation for OTFS with Hardware Impairments
Haowei Wu, Huanyu Chen, Qihao Peng +2
This letter studies the low-complexity channel estimation for orthogonal time frequency space (OTFS) in the presence of hardware impairments. Firstly, to tackle the computational c…
Novel Synchronization Scheme for Cooperative ISAC Systems
Qihao Peng, Hong Ren, Zhendong Peng +5
Carrier frequency and timing synchronization play the fundamental roles in cooperative integrating communication and sensing (ISAC). To mitigate the effects of synchronization erro…