Eran Hof, Amichai Sanderovich, Evyatar Hemo
Verification of an identity based on the human face radar signature in mmwave is studied. The chipset for 802.11ad/y networking that is cable of operating in a radar mode is used. A dataset with faces of 200 different persons was collected for the testing. Our preliminary study shows promising results for the application of autoencoder for the setup at hand.
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Slice-Less Optical Arbitrary Waveform Measurement (OAWM) in a Bandwidth of More than 600 GHz Using Soliton Microcombs
提出一种基于芯片级Kerr孤子梳的无切片OAWM方案，无需光学切片滤波器，可在610 GHz带宽内高精度测量最高1.92 Tbit/s的WDM信号。
In this article, the first considerations for the 5G New Radio (NR) physical layer evolution to support beyond 52.6GHz communications are provided. In addition, the performance of both OFDM based and DFT-s-OFDM based networks are evaluated with special emphasis on the phase noise (PN) induced distortion. It is shown that DFT-s-OFDM is more robust against PN under 5G NR Release 15 assumptions, namely regarding the supported phase tracking reference signal (PTRS) designs, since it enables more effective PN mitigation directly in the time domain. To further improve the PN compensation capabilitie…
The evolution of wireless communication systems towards millimeter-wave ($30-100$ GHz) and sub-THz ($>100$ GHz) frequency bands highlighted the need for accurate and fast beam management and a proactive link-blockage prediction in high-mobility scenarios. Joint Communication and Sensing (JC\&S) systems aim at equipping communication terminals with sensing capabilities using the same time/frequency/space communication resources to solve, or alleviate, the aforementioned issues. For an efficient implementation, a suitable waveform design that combines communication and sensing capabilities is of…
Waveforms for sub-THz 6G: Design Guidelines
针对6G亚太赫兹频段的波形设计需求，结合性能要求与硬件限制约束，该研究提出了波形设计的通用指南并列举了部分可用的示例波形。
Experimental Verification on LoS-MIMO Transmission in 300-GHz Band
该研究通过实验验证300GHz频段下LoS-MIMO传输的可行性，研发了相关天线与收发信机，实现了13.1Gbit/s吞吐量，为高容量固定无线链路及长距离传输提供设计参考。
Joint communication and sensing (JCAS) technology has been regarded as one of the innovations in the 6G network. With the channel modeling proposed by the 3rd Generation Partnership Project (3GPP) TR 38.901, this paper investigates the sensing capability using the millimeter-wave (mmWave) band with an orthogonal frequency division multiplexing (OFDM) waveform. Based on micro-Doppler (MD) analysis, we present two case studies, i.e., fan speed detection and human activity recognition, to demonstrate the target modeling with micro-motions, backscattering signal construction, and MD signature extr…
In this paper, the potential of extending 5G New Radio physical layer solutions to support communications in sub-THz frequencies is studied. More specifically, we introduce the status of third generation partnership project studies related to operation on frequencies beyond 52.6 GHz and note also the recent proposal on spectrum horizons provided by federal communications commission (FCC) related to experimental licenses on 95 GHz - 3 THz frequency band. Then, we review the power amplifier (PA) efficiency and output power challenge together with the increased phase noise (PN) distortion effect …
Indoor 60 GHz Radio Channel Dataset Enabling Digital Twin Construction
本文提出一种基于验证高绩效测试平台的60GHz信道数据集，利用分段 scrambling 的准正交啁啾波形实现快速 exhaustive 的波束空间采样，构建了高密度空间数据集用于空间信道建模、数字孪生和集成感知与通信研究。
Joint Direction-of-Arrival and Range Estimation for Millimeter-Wave Uniform Linear Array Radar
提出一种基于FFT的到达角与距离估计框架，用于77 GHz单基地均匀线性阵列雷达，通过窄带和宽带波形实现高精度角度与距离估计。
Real-Time Multi-Target Detection and Tracking with mmWave 5G NR Waveforms on RFSoC
基于毫米波5G NR波形实现实时多目标检测与跟踪，利用RFSoC硬件加速和异构计算资源提升处理效率。
Reliable Low Latency Wireless Communication Enabling Industrial Mobile Control and Safety Applications
本文针对人机交互工业应用对无线连接的高要求，基于802.11标准提出一种支持三频段通信、新波形及混合MAC技术的低延迟可靠系统，并集成精确定位以支持安全关键应用。
RF Chain-Free mmWave Transmission: Modeling and Experimental Verification
本文研究利用时间调制阵列实现无射频链路的毫米波通信传输，提出频率分析工具并通过控制采样周期抑制谐波，实验验证相位误差降低32%。
Due to the rapid increase in 76 GHz automotive spectrum use in recent years, wireless interference is becoming a legitimate area of concern. However, the recent rise in interest of automated vehicles (AVs) has also spurred new growth and adoption of low frequency vehicle-to-everything (V2X) communications in and around the 5.8 GHz unlicensed bands, opening the possibility for communications spectrum reuse in the form of joint radar-communications (JRC). In this work, we present a low frequency 5.9 GHz side-looking polarimetric synthetic aperture radar (SAR) for automotive use, utilizing a rang…
Large-scale deployment of connected vehicles with cooperative sensing and maneuvering technologies increases the demand for vehicle-to-everything communication (V2X) band in 5.9 GHz. Besides the V2X spectrum, the under-utilized millimeter-wave (mmWave) bands at 24 and 77 GHz can be leveraged to supplement V2X communication and support high data rates for emerging broadband applications. For this purpose, joint radar-communication (JRC) systems have been proposed in the literature to perform both functions using the same waveform and hardware. In this work, we present a software-defined multipl…
A Shared-Aperture Dual-Band sub-6 GHz and mmWave Reconfigurable Intelligent Surface With Independent Operation
提出一种共享孔径双频可重构智能表面（DBI-RIS），通过双层贴片天线与RF开关实现毫米波与sub-6 GHz频段的独立波束控制，实验验证了良好的波束扫描性能。
A fully-digital wideband joint communication-radar (JCR) with a multiple-input-multiple-output (MIMO) architecture at the millimeter-wave (mmWave) band will enable high joint communication and radar performance with enhanced design flexibility. A quantized receiver with few-bit analog-to-digital converters (ADCs) will enable a practical JCR solution with reduced power consumption for futuristic portable devices and autonomous vehicles. In this paper, we present a joint communication-radar proof-of-concept platform, named JCR70, to evaluate and demonstrate the performance of these JCR systems u…
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