Abstract

100-300GHz wireless systems can provide very high data rates per signal beam,  and,

Abstract

Future communication links (future 5G) will require higher data rates, multiple beams, an

Abstract

Recently, interest has increased for millimeter wave antennas due to the high demand for

Abstract

Many aspects of our lives are recently becoming more dependent on communications through

Abstract

The emerging applications at millimeter wave frequencies have helped to achieve true Syst

Abstract

Millimeter-wave wireless systems offer high data rate, low latency, improved spectral eff

Abstract

This talk describes how plasmonic antennas offer high radiation powers and detection sens

CubeSats and SmallSats have resulted in tremendous amounts of excitement within research, industry and defense communities. They are responsible for a remarkable revolution in the arena of satellites for diverse applications.

Poster Session

Abstract

An original liquid crystal (LC)-based substrate integrated waveguide (SIW) leaky-wave ant

Abstract

The reconfigurable intelligent surface (RIS) based on discrete meta-surfaces with tunable

Abstract

In this talk we review our recent progress on the opportunities enabled by metamaterials

Abstract

Signaling analysis of nonlinear channels is challenging because it cannot rely on linear

Abstract

Terahertz (THz) frequency electromagnetic fields have numerous applications ranging from

Abstract

The topic of the presentation is a technique based on integral equations, the periodic Gr

Graphene-based ultrathin chiral metasurfaces offer dispersive optical activity in the early terahertz spectrum which results from retarded asymmetrical surface plasmon (SP) currents that are excited by the incident wave. By varying the chemical potential of graphene layer, the associated optical activity spectrum of the linearly polarized incident light waves can be shifted. Consequently, the reflected electromagnetic waves can take linear, circular, or elliptical polarizations depending on the chemical potential. Invoking the reciprocity, when different polarizations impinge the chiral metasurface, different patterns of asymmetric SP currents are formed on the chiral unit cells which can be detected and related to the incident polarizations. This presentation explores ways to exploit the forward control and inverse detection mechanisms of the Graphene-based chiral metasurfaces for telecommunication and biosensing applications. In particular, a unique scheme of polarization-state (PoSK) modulation and a polarization-based virus detection scheme are discussed. Polarization state Keying (PoSK): A dynamically controllable graphene metasurface is capable to switch the polarization state of incident THz waves in real-time. Full-wave simulation results shows that the polarization state modulation with the proposed chiral graphene based metasurface is capable to achieve quaternary modulation for digital communication system. Refractive Index Characterization for Virus Detection: The chirality of the highly sensitive graphene plasmonic metasurfaces can be exploited to characterize complex refractive indexes (RI) of influenza viruses by detecting the polarization state of the reflected electric fields in the THz spectrum. The unique polarization states are observed in the far-field with the ellipticity values that change rapidly with the analyte’s RI. The determination of biomolecular binding event is treated as an inverse problem in which the polarization states of the virus are compared with a pre-calculated calibration model.

Abstract

Signal processing and communication communities have witnessed the rise of many exciting

"Broadband connectivity has been fueling a steady enrichment of our lives for the past few decades, in education, commerce, health, and work. Consumption of data has been on an exponential growth curve during this period, doubling approximately every 18 to 24 months. Fifth-generation (5G) wireless rollout is in progress in most of the world to keep up with our demand for data, and projections for sixth-generation (6G) wireless predict up to a thousand-fold increase in mobile traffic by 2030. Yet our global connectivity infrastructure suffers from persistent disparities. According to the World Economic Forum’s 2020 report, less than 10% of households in low-income countries subscribe to fixed broadband, compared to 70% in middle-income and 90% in high-income countries, respectively. Overall, about half of the world’s population (approximately 4B people) do not have access to affordable and abundant broadband connectivity. Billions more remain under-connected today, as our internet infrastructure strains to keep up with increasing data demands. In this talk, we will discuss Wireless Optical Communication (WOC) and its pioneering role in a future where ubiquitous broadband internet will be accessible and affordable to everyone on the planet. We will introduce WOC fundamentals, with a focus on the technology pillars of Taara’s WOC design that have allowed us to balance performance with cost-effective manufacturing. We will conclude with examples from our real-world deployments that demonstrate the impact of this innovative technology when applied to the global connectivity challenge."

Abstract

The next generation of satellite communication systems aims to achieve a throughput of Te

Starting from the vision, key performance indicators (KPI), and key enabling techniques (KETs) of 6G wireless networks, this talk will focus on the role of multi-band communications in 6G where optical, mm-wave and Terahertz transmissions will coexist with the conventional RF spectrum. Specifically, this talk will first discuss some of the fundamental challenges related to network dimensioning, mobility management, and resource optimization in multi-band networks. Then, recent research results will be presented to demonstrate potential solution techniques that can overcome some of the design challenges and answer the questions such as (1) whether mobility can be efficiently supported through multi-band communications? (2) how to efficiently associate and offload devices in a multi-band network? and (3) how the network resource management can be designed to combat the shorter channel coherence time in optical, mm-wave and Terahertz transmissions. Finally, the talk will pin-point some of the emerging technologies that can be leveraged to enhance the multi-band 6G networks' reliability.

Abstract

The exploitation of the THz band is expected to catalyze 6G systems, as a “virtual fiber”

Abstract

Reconfigurable intelligent surfaces (RISs) have been studied extensively to improve commu

The ever-increasing demand for higher data rates communication services, has led to the innovation of new advanced technologies and techniques over communication systems with the ultimate goal to fulfill the requirements of the B5G/6G networks. In this context, Free space optics (FSO) communication systems are re-gaining attraction as a promising wireless interconnecting technology for high-capacity and low-latency communication networks, ensuring data rates similar to those offered by optical fiber systems but at a fraction of its deployment cost.  In this talk, we first review the main advantages and practical challenges of the FSO systems and links.  We then give an overview of the recent trends of IR based FSO systems for the B5G/6G era, including the transceiver design and system architecture. Finally, we discuss the potential integration of FSO with mmWave and THz links for reliable communication and wider coverage area.

VLC has its irreplaceable strength including rich spectrum resources, no electromagnetic disturbance, and high-security guarantee. Therefore it can be adopted as an alternative approach in 6G. In this report, a summary of the latest progress of VLC system will be introduced, which includes novel devices, advanced modulation, high-speed system, and Artificial intelligence (AI) related signal processing algorithm. We will also discuss the challenges and the prospects of high-speed VLC system in 6G.

Over the past four decades or so optical wireless has made rapid progress, with data-rates of Tb/s being shown in lab- demonstrations, and a growing commercial sector. At the same time quantum communications is maturing, with plans for global satellite networks using free-space optical links to enable secure communications. There are also a number of new technologies, such as single photon detectors, that are becoming low-cost, and offer the potential for new levels of performance. At the same time, the demand for wireless communications grows exponentially. The move of RF communications to ever-higher carrier frequencies brings the same challenges that light experiences, and a model that uses bands of frequencies to provide reliable channels, combined with those to provide capacity is evolving. This talk will survey the capabilities of optical wireless, both classical and quantum, present some of the challenges, and opportunities in what is an increasingly complex and diverse wireless communications landscape.