Power Optimization and Deep Learning for Channel Estimation of Active IRS-Aided IoT
In this paper, channel estimation of an active intelligent reflecting surface (IRS) aided uplink Internet of Things (IoT) network is investigated. Firstly, the least square (LS) estimators for the direct channel and the cascaded channel are presented ...
Dong, Rongen+5 more
core
Modeling the effects of contact tracing on COVID-19 transmission. [PDF]
Traoré A, Konané FV.
europepmc +1 more source
Role of limited medical resources in an epidemic model with media report and general birth rate
This paper formulates an SEIRSHM epidemic model with general birth rate, media report and limited medical resources. Firstly, the well-posedness of the solutions and the extinction of the disease are discussed.
Yicheng Hao, Yantao Luo, Zhidong Teng
doaj
Dynamic analysis of a mathematical model with health care capacity for COVID-19 pandemic. [PDF]
Çakan S.
europepmc +1 more source
The photosynthetic activity of phytoplankton in the seas is responsible for an estimated 50–80 % of the world's oxygen generation. Both phytoplankton and zooplankton require some of this synthesized oxygen for cellular respiration.
Ahmed Ali+3 more
doaj
Fractional order SIR epidemic model with Beddington-De Angelis incidence and Holling type II treatment rate for COVID-19. [PDF]
Swati, Nilam.
europepmc +1 more source
Area contraction in the presence of first integrals and almost global convergence [PDF]
Aeyels, Dirk+2 more
core +2 more sources
Dynamics and control of delayed rumor propagation through social networks. [PDF]
Ghosh M, Das S, Das P.
europepmc +1 more source
Modeling and dynamic analysis of novel coronavirus pneumonia (COVID-19) in China. [PDF]
Guo Y, Li T.
europepmc +1 more source
Modeling and analysis of a within-host HIV/HTLV-I co-infection. [PDF]
Elaiw AM, AlShamrani NH.
europepmc +1 more source