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With the technological growth of broadband wireless technology like CDMA and UWB, a lots of development efforts towards wireless communication system and Imaging radar system are well justified. Efforts are also being imparted towards a…

网络与互联网体系结构 · 计算机科学 2007-05-23 Rabindranath Bera , Jitendranath Bera , Sanjib Sil , Sourav Dhar , Debdatta Kandar , Dipak Mondal

Today, wide-open, high-resolution Doppler frequency shift (DFS) estimation is essential for radar, microwave/millimeter-wave, and communication systems. Using photonics technology, an effective approach is proposed and experimentally…

光学 · 物理学 2014-04-09 Xihua Zou , Wangzhe Li , Bing Lu , Wei Pan , Lianshan Yan , Liyang Shao

The 4D millimeter-wave (mmWave) radar, proficient in measuring the range, azimuth, elevation, and velocity of targets, has attracted considerable interest within the autonomous driving community. This is attributed to its robustness in…

信号处理 · 电气工程与系统科学 2024-04-29 Zeyu Han , Jiahao Wang , Zikun Xu , Shuocheng Yang , Lei He , Shaobing Xu , Jianqiang Wang , Keqiang Li

Millimeter wave (mmWave) is a practical solution to provide high data rate for vehicle-to-everything (V2X) communications. This enables the future autonomous vehicles to exchange big data with the base stations (BSs) such as the velocity,…

信号处理 · 电气工程与系统科学 2021-05-19 Elyes Balti

Accurate reconstruction of static and rapidly moving targets demands three-dimensional imaging solutions with high temporal and spatial resolution. Radar sensors are a promising sensing modality because of their fast capture rates and their…

信号处理 · 电气工程与系统科学 2025-11-05 Vanessa Wirth , Johanna Bräunig , Martin Vossiek , Tim Weyrich , Marc Stamminger

We demonstrate high-resolution photonic RF filters using an RF bandwidth scaling approach based on integrated Kerr optical micro-combs. By employing both an active nonlinear micro-ring resonator (MRR) as a high-quality micro-comb source and…

Millimeter Wave (mmWave) massive Multiple Input Multiple Output (MIMO) systems realizing directive beamforming require reliable estimation of the wireless propagation channel. However, mmWave channels are characterized by high variability…

信息论 · 计算机科学 2019-06-07 Evangelos Vlachos , George C. Alexandropoulos , John Thompson

Device-free Wi-Fi sensing has numerous benefits in practical settings, as it eliminates the requirement for dedicated sensing devices and can be accomplished using current low-cost Wi-Fi devices. With the development of Wi-Fi standards,…

信号处理 · 电气工程与系统科学 2025-06-16 Wenbo Ding , Yang Li , Dongsheng Wang , Bin Zhao , Yunrong Zhu , Yibo Zhang , Yumeng Miao

Millimeter-wave (mmWave) technology is pivotal for next-generation wireless networks, enabling high-data-rate and low-latency applications such as autonomous vehicles and XR streaming. However, maintaining directional mmWave links in…

信号处理 · 电气工程与系统科学 2024-07-15 Ish Kumar Jain , Suriyaa MM , Dinesh Bharadia

Millimeter wave offers high bandwidth for air-to-air (A2A) communication. In this paper, we evaluate the rate performance of a multiuser MIMO (MU-MIMO) configuration where several aircraft communicate with a central hub. We consider a…

信号处理 · 电气工程与系统科学 2019-04-01 Travis Cuvelier , Robert W. Heath

Frequency-Modulated Continuous-Wave (FMCW) lidar is a recently emerging technology that additionally enables per-return instantaneous relative radial velocity measurements via the Doppler effect. In this letter, we present the first…

机器人学 · 计算机科学 2022-12-06 Yuchen Wu , David J. Yoon , Keenan Burnett , Soeren Kammel , Yi Chen , Heethesh Vhavle , Timothy D. Barfoot

Using a laser-based ranging method for precise environmental 3D sensing, LiDAR has numerous applications in science and industry. However, conventional LiDAR face challenges in simultaneously achieving high ranging precision and fast…

光学 · 物理学 2024-12-10 Lizong Dong , Qinggai Mi , Siyu Zhou , Yuetang Yang , Yuanzu Wang , Guanhao Wu

Integrating millimeter wave (mmWave)technology in both communication and sensing is promising as it enables the reuse of existing spectrum and infrastructure without draining resources. Most existing systems piggyback sensing onto…

网络与互联网体系结构 · 计算机科学 2024-10-24 Yilong Li , Zhe Chen , Jun Luo , Suman Banerjee

We present a compressive radar design that combines multitone linear frequency modulated (LFM) waveforms in the transmitter with a classical stretch processor and sub-Nyquist sampling in the receiver. The proposed compressive illumination…

信息论 · 计算机科学 2022-04-13 Nithin Sugavanam , Siddharth Baskar , Emre Ertin

Integrating efficient connectivity, positioning and sensing functionalities into 5G New Radio (NR) and beyond mobile cellular systems is one timely research paradigm, especially at mm-wave and sub-THz bands. In this article, we address the…

This paper considers mutual interference mitigation among automotive radars using frequency-modulated continuous wave (FMCW) signal and multiple-input multiple-output (MIMO) virtual arrays. For the first time, we derive a general…

信号处理 · 电气工程与系统科学 2023-04-07 Sian Jin , Pu Perry Wang , Petros Boufounos , Philip V. Orlik , Ryuhei Takahashi , Sumit Roy

Healthcare monitoring is crucial, especially for the daily care of elderly individuals living alone. It can detect dangerous occurrences, such as falls, and provide timely alerts to save lives. Non-invasive millimeter wave (mmWave)…

机器人学 · 计算机科学 2024-05-06 Zhanzhong Gu , Xiangjian He , Gengfa Fang , Chengpei Xu , Feng Xia , Wenjing Jia

The mid-infrared spectral window is essential for molecular fingerprinting and atmospheric sensing, yet unlocking its full potential is currently constrained by a fundamental instrumental trade-off: existing systems cannot simultaneously…

Radar-based human activity recognition (HAR) is a pivotal research area for applications requiring non-invasive monitoring. However, the acquisition of diverse and high-fidelity radar datasets for robust algorithm development remains a…

信号处理 · 电气工程与系统科学 2025-09-11 Weicheng Gao

In the next generations of cellular communication networks, higher density of base stations and higher frequency bands will be adopted. If being reflected by targets, the communication signal also brings information of the targets, in…

信号处理 · 电气工程与系统科学 2020-11-18 Husheng Li