Search Results - "Ghasempour, Yasaman"
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Single-shot link discovery for terahertz wireless networks
Published in Nature communications (24-04-2020)“…Of the many challenges in building a wireless network at terahertz frequencies, link discovery remains one of the most critical and least explored. In a…”
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2
A frequency-agile retrodirective tag for large-scale sub-terahertz data backscattering
Published in Nature communications (09-10-2024)“…Backscattering is a promising power-efficient communication technique providing sustainable wireless links with a low carbon footprint. This approach is a…”
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3
Next-Generation IoT Devices: Sustainable Eco-Friendly Manufacturing, Energy Harvesting, and Wireless Connectivity
Published in IEEE journal of microwaves (01-01-2023)“…This invited paper presents potential solutions for tackling some of the main underlying challenges toward developing sustainable Internet-of-things (IoT)…”
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4
Line-of-sight and non-line-of-sight links for dispersive terahertz wireless networks
Published in APL photonics (01-04-2021)“…Despite the rapidly growing interest in exploiting millimeter and terahertz waves for wireless data transfer, the role of reflected non-line-of-sight (NLOS)…”
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5
Characterizing Sub-Terahertz Reflection and Its Impact on Next-Generation Wireless Networking
Published in IEEE transactions on communications (04-11-2024)“…Owing to the substantial bandwidth they offer, the exploration of 100+ GHz frequencies for wireless communications has surged in recent years. These…”
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Multi-User Multi-Stream mmWave WLANs With Efficient Path Discovery and Beam Steering
Published in IEEE journal on selected areas in communications (01-12-2019)“…Multi-stream 60 GHz communication can potentially achieve data rates up to 100 Gbps via multiplexing multiple data streams. Unfortunately, establishing…”
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Decoupling Beam Steering and User Selection for MU-MIMO 60-GHz WLANs
Published in IEEE/ACM transactions on networking (01-10-2018)“…Multi-user transmission at 60 GHz promises to increase the throughput of next-generation WLANs via both analog and digital beamforming. To maximize the…”
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Security and Angle-Frequency Coupling in Terahertz WLANs
Published in IEEE/ACM transactions on networking (01-04-2024)“…This paper presents the first security study of THz networks employing antennas with the angle-frequency coupling property. Using Leaky Wave Antennas (LWAs) as…”
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X60: A Programmable Testbed for Wideband 60 GHz WLANs with Phased Arrays
Published in Computer communications (01-01-2019)“…This paper introduces X60, the first SDR-based testbed for 60 GHz WLANs, featuring fully programmable MAC/PHY/Network layers, multi-Gbps rates, and a…”
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10
Leaky Waveguide Antennas for Downlink Wideband THz Communications
Published in ICASSP 2024 - 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (14-04-2024)“…THz communications are expected to play a profound role in future wireless systems. The current trend of the extremely massive multiple-input multiple-output…”
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Conference Proceeding -
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A Hybrid Antenna-Metasurface Architecture for mmWave and THz Massive MIMO
Published in 2023 57th Asilomar Conference on Signals, Systems, and Computers (29-10-2023)“…Future millimeter wave (mmWave) and terahertz (THz) communication and sensing systems will likely rely on arrays with massive numbers of elements for…”
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Conference Proceeding -
12
Rough Surfaces Scattering and Mobility-Resilient Terahertz Wireless Links
Published in 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (17-09-2023)“…We present a new perspective on the impact of diffuse scattering from rough surfaces on the resilience of wireless links against nodal mobility. We provide a…”
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Conference Proceeding -
13
Managing analog beams in mmWave networks
Published in 2017 51st Asilomar Conference on Signals, Systems, and Computers (01-10-2017)“…In this paper we consider multi-cell mmWave networks wherein each cell equipped with a large antenna array can employ an analog precoder (or a group of analog…”
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Conference Proceeding -
14
Link packing in mmWave networks
Published in 2017 IEEE International Conference on Communications (ICC) (01-05-2017)“…In this paper we formulate a general link packing problem for mmWave networks. Each link is a 4-tuple determined by the choice of receiving user, transmitting…”
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Conference Proceeding -
15
Towards Terahertz Wireless Authentication with Unique Aperture Fingerprints using Leaky-Wave Antennas
Published in 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) (28-08-2022)“…We introduce a fundamentally new approach to wireless authentication and fingerprinting based on the unique spectral footprints induced by the geometry of the…”
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Conference Proceeding -
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NirvaWave: An Accurate and Efficient Near Field Wave Propagation Simulator for 6G and Beyond
Published 17-09-2024“…The extended near-field range in future mm-Wave and sub-THz wireless networks demands a precise and efficient near-field channel simulator for understanding…”
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Design of Metasurfaces for Beamforming with High-Efficiency Custom Polarization Generation
Published in 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI) (14-07-2024)“…In this paper, we introduce a simple method that enables the simultaneous manipulation of beamforming and polarization conversion, allowing for the generation…”
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Conference Proceeding -
18
Towards Dual-band Reconfigurable Metamaterial Surfaces for Satellite Networking
Published 29-06-2022“…The first low earth orbit satellite networks for internet service have recently been deployed and are growing in size, yet will face deployment challenges in…”
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Full-Duplex Beamforming in the Sub-Terahertz Regime
Published in 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (17-09-2023)“…We propose a novel architecture that realizes full-duplex directional beamforming in the sub-terahertz regime. Our architecture leverages the…”
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Conference Proceeding -
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Wideband THz Multi-User Downlink Communications with Leaky Wave Antennas
Published 14-12-2023“…Future wireless systems are envisioned to utilize the large spectra available at THz bands for wireless communications. Extremely massive multiple-input…”
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