Detection of Unknown RF Signals Using Rydberg-Atom Quantum MIMO Receivers

IF 4.4 3区计算机科学 Q2 TELECOMMUNICATIONS

IEEE Communications Letters Pub Date : 2025-08-15 DOI:10.1109/LCOMM.2025.3599481

Saman Atapattu;Nathan Ross;Harini Hapuarachchi

引用次数: 0

Abstract

Rydberg-atom quantum receivers (RAQRs) enable ultra-sensitive radio frequency (RF) detection by transducing incident fields into the optical domain with minimal quantum noise. This letter addresses the unexplored problem of detecting unknown RF signal presence under noise by formulating it as a binary hypothesis test for MIMO RAQRs with nonlinear magnitude-only measurements. We derive likelihood ratio tests (LRTs) under varying channel and signal knowledge, and propose a non-coherent constant false alarm rate (CFAR) energy detector for fully unknown scenarios. We analyze the role of reference signals, showing that excessive reference power can impair detection. Simulations demonstrate superior performance of the proposed RAQR over RF receiver.

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利用里德堡-原子量子MIMO接收机检测未知射频信号

rydberg原子量子接收器（RAQRs）通过将入射场转导到光域中，以最小的量子噪声实现超灵敏的射频（RF）检测。这封信解决了在噪声下检测未知射频信号存在的未探索问题，通过将其表述为具有非线性量值测量的MIMO RAQRs的二元假设检验。我们推导了不同信道和信号知识下的似然比检验（LRTs），并提出了一种完全未知场景下的非相干恒定虚警率（CFAR）能量检测器。我们分析了参考信号的作用，表明过高的参考功率会影响检测。仿真结果表明，该系统的性能优于射频接收机。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Communications Letters 工程技术-电信学

CiteScore

8.10

自引率

7.30%

发文量

590

审稿时长

2.8 months

期刊介绍： The IEEE Communications Letters publishes short papers in a rapid publication cycle on advances in the state-of-the-art of communication over different media and channels including wire, underground, waveguide, optical fiber, and storage channels. Both theoretical contributions (including new techniques, concepts, and analyses) and practical contributions (including system experiments and prototypes, and new applications) are encouraged. This journal focuses on the physical layer and the link layer of communication systems.