14 papers
An Optical Pathway to Movable Rydberg Atomic Quantum Receivers
Qihao Peng, Qu Luo, Lixia Xiao +6
This paper develops an optically movable Rydberg atomic quantum receiver (RAQR), in which the probe and coupling beams are steered within each vapor cell to dynamically reconfigure…
Rydberg Atomic Quantum Radio: A Comprehensive Survey From Wireless Communication Perspective
Yiyue Xiang, Neng Ye, Qihao Peng +5
Next-generation space-air-ground-sea integrated networks (SAGSIN) impose unprecedented demands on advanced radio frequency (RF) receivers for full-spectrum agility, ultra-high sens…
Cell-Level Channel Shaping for Rydberg Atomic Quantum Receivers in Satellite Uplinks With Doppler-Enabled Superheterodyne Reception
Qihao Peng, Qu Luo, Kezhi Wang +4
In this paper, we propose a self-superheterodyne Rydberg uniform array receiver for satellite uplink communications, in which the Doppler shift naturally induced by satellite motio…
Low-Complexity Soft-Feedback Detector for AFDM Systems
Taohe Chen, Yin Xu, Tianyao Ma +4
Affine frequency division multiplexing (AFDM), an emerging multi-carrier modulation scheme, has garnered significant attention due to its resilience to Doppler shifts and capabilit…
Rydberg Atomic Quantum Satellites for Enhanced Ground-to-Space Direct Uplink Access
Qihao Peng, Tierui Gong, Zihang Song +4
This paper investigates the performance advantages of Rydberg atomic quantum (RAQ)-based multiple-input multiple-output (MIMO) satellites for enhancing direct ground-to-space uplin…
A Secure Affine Frequency Division Multiplexing System for Next-Generation Wireless Communications
Ping Wang, Zulin Wang, Yuanhan Ni +4
Affine frequency division multiplexing (AFDM) has garnered significant attention due to its superior performance in high-mobility scenarios, coupled with multiple waveform paramete…
From Active to Battery-Free: Rydberg Atomic Quantum Receivers for Self-Sustained SWIPT-MIMO Networks
Qihao Peng, Qu Luo, Zheng Chu +5
In this paper, we proposed a hybrid simultaneous wireless information and power transfer (SWIPT)-enabled multiple-input multiple-output (MIMO) architecture, where the base station…
RIS-assisted Atomic MIMO Receiver
Qihao Peng, Jiuyu Liu, Qu Luo +4
In this paper, we propose a novel and low-complexity atomic multiple-input multiple-output (MIMO) receiver architecture assisted by a reconfigurable intelligent surface (RIS). By i…
Enhanced Ground-Satellite Direct Access via Onboard Rydberg Atomic Quantum Receivers
Qihao Peng, Tierui Gong, Zihang Song +4
Ground-satellite links for 6G networks face critical challenges, including severe path loss, tight size-weight-power limits, and congested spectrum, all of which significantly hind…
Closed-Form BER Analysis for Uplink NOMA with Dynamic SIC Decoding
Hequn Zhang, Qu Luo, Pei Xiao +2
This paper, for the first time, presents a closed-form error performance analysis of uplink power-domain non-orthogonal multiple access (PD-NOMA) with dynamic successive interferen…
Discrete-Time CRLB-based Power Allocation for CF MIMO-ISAC with Joint Localization and Velocity Sensing
Guoqing Xia, Pei Xiao, Qu Luo +4
In this paper, we investigate integrated sensing and communication (ISAC) in a cell-free (CF) multiple-input multiple-output (MIMO) network, where each access point functions eithe…
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…
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…