Javad Sabzehali

ORCID: 0000-0003-4121-1333
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About
Contact & Profiles
Research Areas
  • UAV Applications and Optimization
  • Satellite Communication Systems
  • Millimeter-Wave Propagation and Modeling
  • Advanced Wireless Communication Technologies
  • Distributed Control Multi-Agent Systems
  • Air Traffic Management and Optimization
  • Radio Wave Propagation Studies
  • Telecommunications and Broadcasting Technologies

Virginia Tech
2021-2023

Multi unmanned aerial vehicle (UAV) network is a promising solution to providing wireless coverage ground users in challenging rural areas (such as Internet of Things (IoT) devices farmlands), where the traditional cellular networks are sparse or unavailable. A key challenge such 3-D placement all UAV base stations (BSs) that formed multi-UAV network: 1) utilizes minimum number UAVs while ensuring—2) backhaul connectivity directly (or via other UAVs) nearby terrestrial BS; and 3) area...

10.1109/jiot.2022.3184323 article EN IEEE Internet of Things Journal 2022-06-20

Unmanned aerial vehicles (UAVs), as base stations, are a promising solution for providing wireless communications, thanks to their high flexibility and autonomy. Moreover, emerging services, such extended reality, require high-capacity communications. To achieve this, millimeter wave (mmWave), recently, terahertz bands have been considered UAV However, communication at these frequencies requires line-of-sight (LoS) the terminals, which may be located in 3D space extremely limited...

10.1109/lwc.2021.3076463 article EN publisher-specific-oa IEEE Wireless Communications Letters 2021-04-29

Telecommunication industries and spectrum regulation authorities are increasingly interested in unlocking the 12 GHz band for two-way 5G terrestrial services. The has a much larger bandwidth than current sub-6 better propagation characteristics millimeter-wave (mmWave) band. Thus, offers great potential improving coverage capacity of networks. However, interference issues between incumbent receivers radio links present major challenge If one could exploit dynamic contexts inherent to band,...

10.1109/mcom.007.2200699 article EN IEEE Communications Magazine 2023-03-27

Unmanned aerial vehicles (UAVs), as base stations, are a promising solution for providing wireless communications, thanks to their high flexibility and autonomy. Moreover, emerging services, such extended reality, require high-capacity communications. To achieve this, millimeter wave (mmWave), recently, terahertz bands have been considered UAV However, communication at these frequencies requires line-of-sight (LoS) the terminals, which may be located in 3D space extremely limited...

10.48550/arxiv.2104.12993 preprint EN other-oa arXiv (Cornell University) 2021-01-01

Multi-Unmanned Aerial Vehicle (UAV) Networks is a promising solution to providing wireless coverage ground users in challenging rural areas (such as Internet of Things (IoT) devices farmlands), where the traditional cellular networks are sparse or unavailable. A key challenge such 3D placement all UAV base stations that formed Multi-UAV Network (i) utilizes minimum number UAVs while ensuring -- (ii) backhaul connectivity directly (or via other UAVs) nearby terrestrial station, and (iii) area...

10.48550/arxiv.2111.05457 preprint EN other-oa arXiv (Cornell University) 2021-01-01
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