453 citations · 2.2k across the 57 of their papers we have counts for
63 papers
5 Shades of Cooperation: Spectrum Sharing in the Upper-Mid Band
Alberto Ceresoli, Marco Mezzavilla, Ilario Filippini +1
Spectrum exclusively licensed to each mobile network operator (MNO) is scarce, and assigning it in fixed, frequency-orthogonal blocks leaves much of it idle under heterogeneous, ti…
Noncoherent Detection and Interference Nulling for Terrestrial-Satellite Downlink Coexistence in the Upper Mid-Band
Shizhen Jia, C. Nicolas Barati, Marco Mezzavilla +1
Terrestrial--satellite coexistence in the upper mid-band is challenging when a terrestrial base station has limited prior information about non-terrestrial receivers and their upli…
Near Field Multi-Band Localization: CRB, Efficient Estimator, and Threshold SNR
Roberto Bomfin, Marco Mezzavilla, Sundeep Rangan +1
This paper presents a theoretical framework for multi-band localization for a single-path single-input multiple-output (SIMO) system. We derive closed-form Cramer-Rao bounds (CRBs)…
A Preliminary Assessment of Midhaul Links at 140 GHz using Ray-Tracing
Sravan Reddy Chintareddy, Marco Mezzavilla, Sundeep Rangan +1
The ever-growing demand for mobile data necessitates a transport network architecture that can withstand the 5G-and-beyond multi-Gbps traffic requirements. To cater for such unprec…
Low-rank Preconditioning in Beamspace Domain For Massive MU-MIMO Long-Term Beamforming
Amirreza Kiani, Ali Rasteh, Marco Mezzavilla +1
Long-term beamforming substantially reduces the channel estimation and inversion overhead of conventional massive MU-MIMO receivers; yet, its construction still hinges on the inver…
Interference Suppression for Massive MU-MIMO Long-Term Beamforming with Matrix Inversion Approximation
Amirreza Kiani, Ali Rasteh, Marco Mezzavilla +1
Long-term beamforming (LTBF) is a widely-used scalable alternative to instantaneous multi-user MIMO processing that leverages slowly varying spatial channel statistics. VLSI implem…
Exploring the Use of VLMs for Navigation Assistance for People with Blindness and Low Vision
Yu Li, Yuchen Zheng, Giles Hamilton-Fletcher +6
This paper investigates the potential of vision-language models (VLMs) to assist people with blindness and low vision (pBLV) in navigation tasks. We evaluate state-of-the-art close…
Distributed Uplink Anti-Jamming in LEO Mega-Constellations via Game-Theoretic Beamforming
Shizhen Jia, Mingjun Ying, Marco Mezzavilla +2
Low-Earth-Orbit (LEO) satellite constellations have become vital in emerging commercial and defense Non-Terrestrial Networks (NTNs). However, their predictable orbital dynamics and…
Interpolation Techniques for Fast Channel Estimation in Ray Tracing
Ruibin Chen, Jayadev Joy, Yaqi Hu +3
Ray tracing is increasingly utilized in wireless system simulations to estimate channel paths. In large-scale simulations with complex environments, ray tracing at high resolution…
Scalable Long-Term Beamforming for Massive Multi-User MIMO
Ali Rasteh, Amirreza Kiani, Marco Mezzavilla +1
Fully digital massive multiple-input multiple-output (MIMO) systems with large numbers (1000+) of antennas offer capacity gains from spatial multiplexing and beamforming, but recei…
Joint Detection, Channel Estimation and Interference Nulling for Terrestrial-Satellite Downlink Co-Existence in the Upper Mid-Band
Shizhen Jia, Mingjun Ying, Marco Mezzavilla +3
The upper mid-band FR3 spectrum (7-24 GHz) has garnered significant interest for future cellular services. However, utilizing a large portion of this band requires careful interfer…
Toward Multiband Sensing in FR3: Frequency Anisotropy Characterization and Non-Contiguous Bands Aggregation Algorithms
Jacopo Pegoraro, Gianmaria Ventura, Dario Tagliaferri +4
Frequency Range 3 (FR3) in the 7-24 GHz band will be the new spectrum for 6G wireless networks. The bandwidth availability and diversity of FR3 offer unprecedented opportunities fo…
Transformer-Based Rate Prediction for Multi-Band Cellular Handsets
Ruibin Chen, Haozhe Lei, Hao Guo +4
Cellular wireless systems are facing a proliferation of frequency bands over a wide spectrum, particularly with the expansion into FR3. These bands must be supported in user equipm…
Upper Mid-Band Spectrum for 6G: Vision, Opportunity and Challenges
Ahmad Bazzi, Roberto Bomfin, Marco Mezzavilla +3
Driven by the pursuit of gigabit-per-second data speeds for future 6G mobile networks, in addition to the support of sensing and artificial intelligence applications, the industry…
Near-Field Measurement System for the Upper Mid-Band
Ali Rasteh, Raghavendra Palayam Hari, Hao Guo +2
The upper mid-band (or FR3, spanning 6-24 GHz) is a crucial frequency range for next-generation mobile networks, offering a favorable balance between coverage and spectrum efficien…
An Experimental Multi-Band Channel Characterization in the Upper Mid-Band
Roberto Bomfin, Ahmad Bazzi, Hao Guo +5
The following paper provides a multi-band channel measurement analysis on the frequency range (FR)3. This study focuses on the FR3 low frequencies 6.5 GHz and 8.75 GHz with a setup…
Channel Modeling for FR3 Upper Mid-band via Generative Adversarial Networks
Yaqi Hu, Mingsheng Yin, Marco Mezzavilla +2
The upper mid-band (FR3) has been recently attracting interest for new generation of mobile networks, as it provides a promising balance between spectrum availability and coverage,…
5G Edge Vision: Wearable Assistive Technology for People with Blindness and Low Vision
Tommy Azzino, Marco Mezzavilla, Sundeep Rangan +2
In an increasingly visual world, people with blindness and low vision (pBLV) face substantial challenges in navigating their surroundings and interpreting visual information. From…
Terrestrial-Satellite Spectrum Sharing in the Upper Mid-Band with Interference Nulling
Seongjoon Kang, Giovanni Geraci, Marco Mezzavilla +1
The growing demand for broader bandwidth in cellular networks has turned the upper mid-band (7-24 GHz) into a focal point for expansion. However, the integration of terrestrial cel…
An Experimental Prototype for Multistatic Asynchronous ISAC
Marco Canil, Jacopo Pegoraro, Jesus O. Lacruz +4
We prototype and validate a multistatic mmWave ISAC system based on IEEE802.11ay. Compensation of the clock asynchrony between each TX and RX pair is performed using the sole LoS w…
Cellular Wireless Networks in the Upper Mid-Band
Seongjoon Kang, Marco Mezzavilla, Sundeep Rangan +6
The upper mid-band - roughly from 7 to 24 GHz - has attracted considerable recent interest for new cellular services. This frequency range has vastly more spectrum than the highly…
JUMP: Joint communication and sensing with Unsynchronized transceivers Made Practical
Jacopo Pegoraro, Jesus O. Lacruz, Tommy Azzino +4
Wideband millimeter-wave communication systems can be extended to provide radar-like sensing capabilities on top of data communication, in a cost-effective manner. However, the dev…
Multi-Frequency Channel Modeling for Millimeter Wave and THz Wireless Communication via Generative Adversarial Networks
Yaqi Hu, Mingsheng Yin, William Xia +2
Modern cellular systems rely increasingly on simultaneous communication in multiple discontinuous bands for macro-diversity and increased bandwidth. Multi-frequency communication i…
Coexistence of UAVs and Terrestrial Users in Millimeter-Wave Urban Networks
Seongjoon Kang, Marco Mezzavilla, Angel Lozano +5
5G millimeter-wave (mmWave) cellular networks are in the early phase of commercial deployments and present a unique opportunity for robust, high-data-rate communication to unmanned…