杨非’s Post

The rapid advancement of wireless communication technologies has precipitated an unprecedented demand for high data rates, extremely low latency, and ubiquitous connectivity. In order to achieve these goals, #stacked #intelligent #metasurfaces (#SIM) has been developed as a novel solution to perform advanced signal processing tasks directly in the electromagnetic #wave #domain, thus achieving ultra-fast computing speed and reducing hardware complexity. This article provides an overview of the SIM technology by discussing its hardware architectures, advantages, and potential applications for wireless sensing and communication. Specifically, the authors explore the utilization of SIMs in enabling wave-domain #beamforming, #channel #modeling and #estimation in SIM-assisted communication systems. Furthermore, they elaborate on the potential of utilizing a SIM to build a #hybrid #optical-#electronic #neural #network (#HOENN) and demonstrate its efficacy by examining two case studies: disaster monitoring and direction-of-arrival estimation. Finally, they identify key implementation challenges, including practical hardware imperfections, efficient SIM configuration for realizing wave-domain signal processing, and performance analysis to motivate future research on this important and far-reaching topic. ---- 刘昊, Jiancheng An, Xing Jia, Shining Lin, Xianghao Yao, Lu Gan, Bruno Clerckx, Chau Yuen, Mehdi Bennis, Merouane Debbah More details can be found at this link: https://lnkd.in/eR789XfU

The rapid advancement of wireless communication technologies has precipitated an unprecedented demand for high data rates, extremely low latency, and ubiquitous connectivity. In order to achieve these goals, #stacked #intelligent #metasurfaces (#SIM) has been developed as a novel solution to perform advanced signal processing tasks directly in the electromagnetic #wave #domain, thus achieving ultra-fast computing speed and reducing hardware complexity. This article provides an overview of the SIM technology by discussing its hardware architectures, advantages, and potential applications for wireless sensing and communication. Specifically, the authors explore the utilization of SIMs in enabling wave-domain #beamforming, #channel #modeling and #estimation in SIM-assisted communication systems. Furthermore, they elaborate on the potential of utilizing a SIM to build a #hybrid #optical-#electronic #neural #network (#HOENN) and demonstrate its efficacy by examining two case studies: disaster monitoring and direction-of-arrival estimation. Finally, they identify key implementation challenges, including practical hardware imperfections, efficient SIM configuration for realizing wave-domain signal processing, and performance analysis to motivate future research on this important and far-reaching topic. ---- 刘昊, Jiancheng An, Xing Jia, Shining Lin, Xianghao Yao, Lu Gan, Bruno Clerckx, Chau Yuen, Mehdi Bennis, Merouane Debbah More details can be found at this link: https://lnkd.in/eR789XfU

The rapid advancement of wireless communication technologies has precipitated an unprecedented demand for high data rates, extremely low latency, and ubiquitous connectivity. In order to achieve these goals, #stacked #intelligent #metasurfaces (#SIM) has been developed as a novel solution to perform advanced signal processing tasks directly in the electromagnetic #wave #domain, thus achieving ultra-fast computing speed and reducing hardware complexity. This article provides an overview of the SIM technology by discussing its hardware architectures, advantages, and potential applications for wireless sensing and communication. Specifically, the authors explore the utilization of SIMs in enabling wave-domain #beamforming, #channel #modeling and #estimation in SIM-assisted communication systems. Furthermore, they elaborate on the potential of utilizing a SIM to build a #hybrid #optical-#electronic #neural #network (#HOENN) and demonstrate its efficacy by examining two case studies: disaster monitoring and direction-of-arrival estimation. Finally, they identify key implementation challenges, including practical hardware imperfections, efficient SIM configuration for realizing wave-domain signal processing, and performance analysis to motivate future research on this important and far-reaching topic. ---- 刘昊, Jiancheng An, Xing Jia, Shining Lin, Xianghao Yao, Lu Gan, Bruno Clerckx, Chau Yuen Mehdi Bennis, Merouane Debbah More details can be found at this link: https://lnkd.in/eR789XfU

A breakthrough development in #wireless #communication technology could help deliver the ultra-fast and software-controlled #6G networks of the future, researchers say.    A team led by Qammer H. Abbasi, CEng, FRSA, FRET, FEAI, FIET and Masood Ur Rehman has developed an innovative wireless communications antenna which combines the unique properties of metamaterials with sophisticated signal processing to deliver a new peak of performance.   In a new early view paper published in the IEEE Open Journal of Antennas and Propagation, the researchers showcase their development of a prototype digitally coded dynamic metasurface antenna, or DMA, controlled through high-speed field-programmable gate array (FPGA). Their DMA is the first in the world designed and demonstrated at the operating frequency of 60 GHz millimetre-wave (mmWave) band – the portion of the spectrum reserved by international law for use in industrial, scientific, and medical (ISM) applications.   The antenna’s ability to operate in the higher mmWave band could enable it to become a key piece of hardware in the still-developing field of advanced beamforming metasurface antennas.    It could help future 6G networks deliver ultra-fast data transfer with high reliability, ensuring high-quality service and seamless connectivity, and enable new applications in communication, sensing, and imaging. Read more here: https://lnkd.in/eFYXjYFr

𝐇𝐨𝐰 𝐃𝐨𝐞𝐬 𝐎𝐩𝐭𝐢𝐜𝐚𝐥 𝐅𝐢𝐛𝐞𝐫 𝐖𝐨𝐫𝐤? Ever wondered how optical fiber manages to transmit vast amounts of data at the speed of light? Let's dive into the fascinating mechanics behind this game-changing technology! 𝐓𝐡𝐞 𝐌𝐞𝐜𝐡𝐚𝐧𝐢𝐜𝐬 𝐨𝐟 𝐎𝐩𝐭𝐢𝐜𝐚𝐥 𝐅𝐢𝐛𝐞𝐫 Optical fiber is essentially a thin, flexible strand typically made of glass or plastic. It functions by guiding light pulses through its core using a principle called total internal reflection. This means that when light enters the fiber at a certain angle, it repeatedly reflects off the inner walls of the core, traveling long distances without significant loss of signal. 𝐖𝐡𝐲 𝐈𝐭'𝐬 𝐒𝐮𝐩𝐞𝐫𝐢𝐨𝐫 Compared to traditional copper cables, optical fiber offers several key advantages. It can transmit data over longer distances without the need for signal boosters, and it does so at incredible speeds. This capability makes it ideal for applications requiring high bandwidth and reliability, such as internet connections, telecommunication networks, and data centers. 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐢𝐧 𝐄𝐯𝐞𝐫𝐲𝐝𝐚𝐲 𝐋𝐢𝐟𝐞 In our daily lives, optical fiber supports everything from high-speed internet to crystal-clear voice calls and high-definition video streaming. It's the backbone of modern communication networks, enabling seamless connectivity across the globe. 𝐋𝐨𝐨𝐤𝐢𝐧𝐠 𝐀𝐡𝐞𝐚𝐝 As technology evolves, so does optical fiber. Researchers are constantly pushing the boundaries, exploring ways to increase its efficiency, reduce costs, and expand its applications. From rural broadband initiatives to cutting-edge medical diagnostics and beyond, optical fiber continues to redefine what's possible in the digital age. 𝐂𝐨𝐧𝐜𝐥𝐮𝐬𝐢𝐨𝐧 Understanding how optical fiber works is not just fascinating—it's essential for anyone involved in telecommunications and network infrastructure. By harnessing its power, we can build more resilient, efficient, and interconnected systems that drive innovation and transform societies worldwide. Let's keep exploring the limitless potential of optical fiber and embracing its role in shaping the future of connectivity! 🌐💡 #OpticalFiber #Telecommunications #Innovation #fiberwizards

This paper focuses on the #electromagnetic #nanonetworking #paradigm, providing an overview of the advances made in #wireless #nanocommunication technology from microwave through terahertz to optical bands. The characteristics and potential of the compared technologies are then confronted with the requirements and challenges of the broad set of nanonetworking applications in the #Internet #of #NanoThings (#IoNT) and #on-#chip #networks #paradigms, including #quantum #computing applications for the first time. Finally, a selection of cross-cutting issues and possible directions for future work are given, aiming to guide researchers and practitioners towards the #next #generation of electromagnetic nanonetworks.----Sergi Abadal, @Chong Han, Vitaly Petrov, Laura Galluccio, @Ian F. Akyildiz, Josep Miquel Jornet More details can be found at this link: https://lnkd.in/gRiubmCc

This paper, the focus is placed on the #electromagnetic #nanonetworking #paradigm, providing an overview of the advances made in #wireless #nanocommunication #technology from #microwave #through terahertz to optical bands. The characteristics and potential of the compared technologies are then confronted with the requirements and challenges of the broad set of nanonetworking applications in the #Internet #of #Nano#Things (#IoNT) and on-#chip #networks #paradigms, including quantum computing applications for the first time. Finally, a selection of #cross-#cutting issues and possible directions for future work are given, aiming to guide researchers and practitioners towards the next generation of electromagnetic nanonetworks.----Sergi Abadal, @Chong Han, Vitaly Petrov, Laura Galluccio, Ian F. Akyildiz, @Josep M. Jornet More details can be found at this link: https://lnkd.in/gcqKpFqU

Exciting news from the world of tech innovation! A brilliant team at UCLA has developed a groundbreaking optical computing method for processing and encryption. 🌐🔒 Imagine a future where computing isn't just faster, but also more secure. This cutting-edge technology leverages light to process and encrypt data at unprecedented speeds. Goodbye, traditional electronics—hello, photonics! 💡✨ As we push the boundaries of what's possible in digital infrastructure, advancements like this remind us of the limitless potential of technology. It's a thrilling time to be in the industry, watching these innovations transform our world. https://lnkd.in/g2H2BZ2B Stay curious and keep innovating! 💼🔧 #TechInnovation #OpticalComputing #DigitalInfrastructure #FutureOfTech

📻 The Surprising Comeback of Analog Computing in a Digital Age. As we continue to navigate a world dominated by digital technology, there's an unexpected player making a significant comeback: analog computing. This old-school tech, known for processing data in continuous waves, is re-emerging as a powerful solution to modern problems. Why the resurgence? Analog processors are not only incredibly energy-efficient but also adept at handling the complexities of natural signals swiftly and effectively. This means devices can potentially run thousands of times longer on the same amount of power—a game-changer for industries aiming to reduce energy consumption and enhance device longevity. In my latest video, I explore how this retro technology is shaping the future of tech, promising to revolutionize everything from AI applications to everyday gadgets. As we look towards a more sustainable and efficient future, analog computing may just be the key. What do you think about this shift back to analog? Could it be the solution we need for a more sustainable tech ecosystem? Share your thoughts below! #TechTrends #AnalogComputing #SustainableTech #Innovation

𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 𝗣𝗶𝘃𝗼𝘁𝘀 𝗼𝗻 𝗦𝗶𝗹𝗶𝗰𝗼𝗻 𝗣𝗵𝗼𝘁𝗼𝗻𝗶𝗰𝘀: 𝗔𝗻 𝗢𝘃𝗲𝗿𝘃𝗶𝗲𝘄 The explosion of global data traffic demands energy-efficient, high-bandwidth solutions to support modern computing systems. Silicon photonics offers a path to scalable, sustainable digital infrastructure. 𝗪𝗵𝗮𝘁’𝘀 𝗻𝗲𝘅𝘁 ‣ While limited to circuit-level operations, OCS’s energy efficiency makes it indispensable. Progress hinges on "softwarization" to virtualize and integrate with modern networks. ‣ Automation of optically switched networks using precise mathematical models. ‣ Optimizing across hardware and software layers, including photonics, is critical for sustainable scaling. 𝗧𝗵𝗲 𝗯𝗼𝘁𝘁𝗼𝗺 𝗹𝗶𝗻𝗲 Silicon photonics is more than a technological advancement—it's a cornerstone for the future of energy-efficient, high-bandwidth digital systems. 𝗞𝗲𝗲𝗽 𝗿𝗲𝗮𝗱𝗶𝗻𝗴: https://lnkd.in/gJpZD-q8 #SiliconPhotonics #HighBandwidth #OpticalInterconnects #PostMooresLaw