Results 101 to 110 of about 86,758,594 (170)

Hyper-converged space-air-ground integrated low-altitude aerial vehicular networks: Architecture, challenges, and technologies. [PDF]

Fundam Res
Zhou H, Xue J, Yuan Y, Sun Z, Xu Y, Chen J, Shen X.   +6 more
europepmc   +1 more source

Performance analysis of satellite-to-ground downlink optical communications with spatial diversity over Gamma–Gamma atmospheric turbulence

The performances of satellite-to-ground downlink optical communications over Gamma–Gamma distributed turbulence are studied for a multiple-aperture receiver system.
Ma, Jing, Yu, Siyuan, Li, Kanging, Belmonte Molina, Aniceto, Tan, Liying   +4 more
core  

Reinforcement Learning for Secure Semantic LEO Satellite Networks: Joint Fidelity-Secrecy Power Allocation. [PDF]

Sensors (Basel)
Zhou F, Zhu X.
europepmc   +1 more source

Store and Forward Communication Payload Design for LEO Satellite Systems

Majlesi Journal of Electrical Engineering
In this paper design of Store and Forward (S and F) communication payload for a Sina-1satellite is presented. The S and F subsystem uses VHF and UHF radio links for receiving and transmitting messages. It provides digital communication facilities between
OICC Press Authors
doaj  

Performance evaluation and validation of a quad-element super-wideband fractal MIMO antenna with integrated quad-band filtering capability for advanced 5G/IoT systems. [PDF]

Sci Rep
Sohi AK, Kumar GN, Singh AK, Addepalli T, Zakaria Z, Al-Gburi AJA.   +5 more
europepmc   +1 more source

Ground User Clustering for Adaptive Multibeam GEO Satellite Networks. [PDF]

Sensors (Basel)
Shehata H, Inaltekin H, Collings IB.
europepmc   +1 more source

Design of AFDM Waveform Encryption for LEO Satellite Networks. [PDF]

Sensors (Basel)
Yuan M, Lin H, Ma C, Ma P, Yu M, Tang X.
europepmc   +1 more source

Semantic Communication for Intelligent Transmission and Recognition of High-Resolution Satellite Images in Satellite-to-Ground Systems. [PDF]

Entropy (Basel)
Liu J, Chen Q, Chen Y.
europepmc   +1 more source

A Review of the Current Development State of Non-Terrestrial NB-IoT Systems. [PDF]

Sensors (Basel)
Beschastnyi V, Morozova U, Ostrikova D, Gaidamaka Y, Samouylov K.   +4 more
europepmc   +1 more source

Key solutions and standardization progress for transmission enhancement in Rel-19 NR NTN

Dianxin kexue
By adaptively enhancing the terrestrial 5G new radio (NR) protocol for satellite communication scenarios, 3GPP non-terrestrial network (NTN) fully integrates the advantages of terrestrial and non-terrestrial networks with continuous evolution capability,
SUN Yi, LIANG Mengwei, TONG Jianfei, ZHANG Yueyue, YAN Hong, WANG Wenjin   +5 more
doaj