Results 51 to 60 of about 111,023 (296)

Microwave photonics promotes emerging integrated sensing and communication technology

APL Photonics
Integrated sensing and communication (ISAC), a key technology for next-generation wireless networks (e.g., 5G-A and 6G), aims to provide both large-capacity wireless communication and high-resolution microwave sensing/ranging simultaneously.
Wenlin Bai, Xihua Zou, Jiaxin Xu, Aiping Xie, Zhiyu Chen, Xin Zhong, Ningyuan Zhong, Fengwei Liu, Bowen Zhang, Tao Zhou   +9 more
doaj   +1 more source

Unified Model and Survey on Modulation Schemes for Next-Generation Automotive Radar Systems

Remote Sensing
Commercial automotive radar systems for advanced driver assistance systems (ADASs) have relied on frequency-modulated continuous wave (FMCW) waveforms for years due to their low-cost hardware, simple signal processing, and established academic and ...
Moritz Kahlert, Tai Fei, Yuming Wang, Claas Tebruegge, Markus Gardill   +4 more
doaj   +1 more source

Programmable Dimensional Lithography with Digital Micromirror Devices for Multifunctional Microarchitectures

Advanced Materials Technologies, EarlyView.
This review explores recent advances in digital micromirror device (DMD)‐based lithography, focusing on its programmable light modulation, multi‐material compatibility, and dimensional patterning strategies. It highlights innovations from optical system design to materials integration and multifunctional applications, positioning DMD lithography as a ...
Yubin Lee, Byungcheon Yoo, Chaeyeong Ryu, Jongwon Oh, Dahye Baek, Jiseok Lee   +5 more
wiley   +1 more source

Sparse orthogonal circulant transform multiplexing for coherent optical fiber communication [PDF]

, 2018
This paper introduces a new multicarrier system, named sparse orthogonal circulant transform multiplexing (S-OCTM), for optical fiber communication. This technique uses an inverse sparse orthogonal circulant transform (S-OCT) matrix, which is simple and ...
Ouyang, Xing, Wang, Wei, Wang, Zhenpeng, Yu, Yukui, Zhao, Jian   +4 more
core   +1 more source

Inverse‐Designed on‐Chip Terahertz Three‐Channel Mode and Wavelength Division Demultiplexer

Advanced Photonics Research, EarlyView.
An ultracompact terahertz demultiplexer is developed using a hybrid inverse design that combines genetic algorithms with topology optimization. The device enables simultaneous mode‐ and wavelength‐division multiplexing within a footprint smaller than two wavelengths.
Faqian Chong, Yulun Wu, Bingtao Gao, Shilong Li, Hongsheng Chen, Song Han   +5 more
wiley   +1 more source

Smart REASSURED Sensors via Machine‐Augmented Printable On‐Paper Arrays

Advanced Sensor Research, EarlyView.
This perspective highlights the emerging role of pattern‐recognition, printable on‐paper sensor arrays for intelligent PoC diagnostics. It discusses how paper's inherent limitations can be overcome through surface modification and scalable printing, and how machine‐learning analysis of cross‐reactive arrays enables multiplexed, low‐cost, and REASSURED ...
Naimeh Naseri, Saba Ranjbar
wiley   +1 more source

Improved DAC driving scheme for OFDM applications [PDF]

, 2010
Presented is a 'Redundant Signed Digit' driving scheme for binary weighted D/A conversion. This scheme retains the simplicity of conventional binary weighted D/A conversion, but has greatly improved robustness with regard to parasitic effects, especially
Catteau, Benoit, Rombouts, Pieter, Weyten, Ludo   +2 more
core   +1 more source

Multi-Carrier Waveforms and Multiple Access Strategies in Wireless Networks: Performance, Applications, and Challenges

IEEE Access, 2022
Current generation mobile communications require high-quality services. Adopting multiple access (MA) and multi-carrier waveforms potentially enhances the quality of services offered to end-users.
Tewelgn Kebede, Yihenew Wondie, Johannes Steinbrunn, Hailu Belay Kassa, Kevin T. Kornegay   +4 more
doaj   +1 more source

Three‐Year Follow‐Up of Neoadjuvant Tislelizumab with Chemotherapy in Locally Advanced Gastric and Gastroesophageal Junction Adenocarcinoma: Revealing Cancer‐Associated Fibroblast Heterogeneity Corresponding to PD‐1 Blockade Efficacy

Advanced Science, EarlyView.
Heterogeneous cancer‐associated fibroblasts orchestrate dual immune microenvironments in LAGC. Abstract The potential for immunotherapy in patients with locally advanced gastric cancer (LAGC) is recently confirmed. To report the 3‐year follow‐up data are aimed from a novel clinical trial. This is a prospective single‐arm phase II trial.
Yao Lin, Xiong Sun, Chengguo Li, Ming Yang, Ke Wu, Ke Liu, Anshu Li, Xiaoming Shuai, Kailin Cai, Zheng Wang, Guobin Wang, Peng Zhang, Jianfeng Shen, Kaixiong Tao, Yuping Yin   +14 more
wiley   +1 more source

Orthogonal Chirp Division Multiplexing

, 2016
Chirp waveform plays a significant role in radar and communication systems for its ability of pulse compression and spread spectrum. This paper presents a principle of orthogonally multiplexing a bank of linear chirp waveforms within the same bandwidth ...
Ouyang, Xing, Zhao, Jian
core   +1 more source