Results 281 to 290 of about 4,280,970 (334)
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Massive MIMO Downlink Transmission for Multiple LEO Satellite Communication
IEEE Transactions on CommunicationsWe investigate massive multiple-input multiple-output (MIMO) downlink (DL) transmission for multiple low-earth-orbit satellite communication systems. We establish the signal and channel models, and reveal that the signals received by each user terminal ...
Ziyu Xiang +3 more
semanticscholar +1 more source
A comprehensive review of energy-efficient design in satellite communication systems
International Journal of Engineering Research UpdatesSatellite communication systems play a pivotal role in enabling global connectivity, but their energy consumption presents significant challenges in terms of sustainability and operational costs.
Adeola Ona-Olapo +4 more
semanticscholar +1 more source
2023
With the incorporation of new innovations enabling digital information transmission and delivery by satellite, Satellite Communication Engineering is an unquestionably comprehensive introduction to satellite communication principles and engineering. One of the most amazing by products of the space missions, satellite communication has significantly ...
Dr. V. SESHA RATNA KUMARI +3 more
openaire +1 more source
With the incorporation of new innovations enabling digital information transmission and delivery by satellite, Satellite Communication Engineering is an unquestionably comprehensive introduction to satellite communication principles and engineering. One of the most amazing by products of the space missions, satellite communication has significantly ...
Dr. V. SESHA RATNA KUMARI +3 more
openaire +1 more source
IEEE Transactions on Antennas and Propagation
In this article, a shared-aperture design of the cellular antenna and satellite communication antenna with circularly polarized (CP) in the S-band for metal-bezel smartphones is proposed and studied.
Sisi Rao, Yan Wang
semanticscholar +1 more source
In this article, a shared-aperture design of the cellular antenna and satellite communication antenna with circularly polarized (CP) in the S-band for metal-bezel smartphones is proposed and studied.
Sisi Rao, Yan Wang
semanticscholar +1 more source
Secrecy Analysis for Orthogonal Time Frequency Space Scheme Based Uplink LEO Satellite Communication
IEEE Wireless Communications Letters, 2021Recently, satellite communication (Sat-Com) has developed rapidly, and its security is critical. In this letter, we investigate the security performance for an uplink low earth orbit (LEO) Sat-Com system, where the cooperative UAV is employed to send ...
Jun Hu, Jia Shi, Shuai Ma, Zan Li
semanticscholar +1 more source
Learning with error‐based key agreement and authentication scheme for satellite communication
International Journal of Satellite Communications And Networking, 2021Satellite communication is one of the essential communication mechanisms that can be used for significant distance and under circumstances where the other communication mechanisms cannot work.
Uddeshaya Kumar, Manish Garg
semanticscholar +1 more source
A Survey on Random Access Protocols in Direct-Access LEO Satellite-Based IoT Communication
IEEE Communications Surveys and TutorialsLow-Earth orbit (LEO) satellites can play an important role in providing seamless coverage for the Internet of Things (IoT). In satellite-based IoT (SIoT) networks, IoT devices can communicate directly with a satellite or through a gateway, which is ...
Thien Thi Thanh Le +5 more
semanticscholar +1 more source
IEEE Transactions on Vehicular Technology, 2021
In this paper, we investigate hybrid beamforming, user scheduling, and resource allocation optimization based on spectrum coexisting forward transmission in integrated terrestrial-satellite network (ITSN) with the purpose of improving system sum rate and
Deyi Peng +4 more
semanticscholar +1 more source
In this paper, we investigate hybrid beamforming, user scheduling, and resource allocation optimization based on spectrum coexisting forward transmission in integrated terrestrial-satellite network (ITSN) with the purpose of improving system sum rate and
Deyi Peng +4 more
semanticscholar +1 more source
Synchronization for OFDM-Based Satellite Communication System
IEEE Transactions on Vehicular Technology, 2021The integration of satellite and the terrestrial cellular network is a promising technology to provide global ubiquitous communication. As orthogonal frequency-division multiplexing (OFDM) has been adopted in the 3GPP standards, such as 4G LTE and the ...
Miaona Huang, Jun Chen, Suili Feng
semanticscholar +1 more source
Earth Rotation-Aware Non-Stationary Satellite Communication Systems: Modeling and Analysis
IEEE Transactions on Wireless Communications, 2021In this paper, we propose a non-stationary satellite communication system model considering the impacts of Earth rotation by adopting the Earth-centered inertial (ECI), and the Earth-centered Earth-fixed (ECEF) coordinates.
Jia Ye +2 more
semanticscholar +1 more source