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  1. 581

    Evolution and standardization progress for NR MIMO enhancement by Nanxi LI, Jianchi ZHU, Jing GUO, Hang YIN, Xiaoming SHE

    Published 2022-03-01
    “…As one of the key technologies of 5G , massive multiple-input multiple-output (MIMO) has played an important role in the commercial deployment of 5G networks.Based on the deployment experience of 5G systems, 3GPP Release 17 has done a series of standardization work on MIMO evolution enhancement.Focusing on 3GPP standardization work, the standardization progress of related MIMO enhancement schemes, especially for multi-beam enhancement and multi-TRP enhancement, was introduced and analyzed.In the end, potential future work of 3GPP Release 18 MIMO enhancement was summarized.…”
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    Generation of electricity in BFC by the biological product 'Doctor Robik' during the purification of nitrogen-containing wastewater by G.O. Zhdanova, D.I. Stom, N.Yu. Yudina, S.V. Alferov, Z.U. Dzhangidze, A.D. Stom, M.Yu. Tolstoy, I.A. Bogdanova, A.N. Chesnokova

    Published 2022-06-01
    “…It was shown that “Doctor Robik 109” generated an electric current in the BFC upon the usage of urea (0.5 g/L), ammonium nitrogen (0.5 g/L of NH4+ ions), and peptone (0.5 g/L) as substrates. …”
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  5. 585

    Effects of Dietary Pediococcus acidilactici and Isomaltooligosaccharide on Growth Performance, Immunity, and Antioxidant Defense in Juvenile Common Carp by Milad Maniat, Amir Parviz Salati, Nasim Zanguee, Seyed Mohammad Mousavi, Seyed Hossein Hoseinifar

    Published 2023-01-01
    “…The control group was fed only basal diet; PA was fed basal diet supplemented with 1 g/kg (1010 CFU/kg) PA, IMO5 (5 g/kg IMO), IMO10 (10 g/kg IMO), PA-IMO5 (1 g/kg PA and 5 g/kg IMO), and PA-IMO10 (1 g/kg PA and 10 g/kg IMO). …”
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  6. 586

    A Review of Synthesis Techniques for Phased Antenna Arrays in Wireless Communications and Remote Sensing by Stanislav Ogurtsov, Diego Caratelli, Zhe Song

    Published 2021-01-01
    “…Electronically controlled antenna arrays, such as reconfigurable and phased antenna arrays, are essential elements of high-frequency 5G communication hardware. These antenna arrays are aimed at delivering specified communication scenarios and channel characteristics in the mm-wave parts of the 5G spectrum. …”
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  7. 587

    Analysis and suggestions on the development of IoT technology by Wenke YU, Yuan CHENG, Fang LI, Qi ZHAO

    Published 2020-12-01
    “…The Internet of things (IoT) has been developing for a decade in China,which has rapidly evolved from the early sensor network technology,radio frequency identification (RFID) technology to the intelligent networking technology based on 5G.The Internet of everything is coming to our life.The application of IoT has also been gradually and comprehensively applied in from the area of financial IC card to the industry,government affairs,transportation,health care,education,and etc.The development of the IoT hot technologies represented by 5G and low-power wide-area network (LPWAN),and the deep integration of blockchain,edge computing and other technologies with the IoT,comprehensively promote the deep application of the IoT in the industry,which brings great development opportunities to all the industry.It was focused on the analysis of the status of 5G,IoT identification,edge computing,LPWAN,security technology,and etc.The development tendency of the IoT was also forecasted,and the corresponding policy suggestion to promote the development of IoT was put forward.…”
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  8. 588

    Multi-access, wireless and wired convergence architecture evolution and traffic scheduling mechanism by Shufeng SHI, Youyang YU

    Published 2022-04-01
    “…In 3GPP Rel-16, 3GPP 5G network architecture defines the wireless and wired converged architecture, that is, fixed and mobile converged network architecture, focusing on multiple valuable scenarios of this converged architecture, where the wired and wireless hybrid access scenario attracts much attention.The standard defines the multi-access traffic scheduling mechanism in this scenario.It was discussed in detail, including basic multi-access traffic scheduling mechanisms, enhanced the traffic splitting per packet mechanisms for UDP and Ethernet traffic flows for 5G-Advanced networks, and a new redundant transmission modes.In addition, 4G and 5G interworking scenarios were extended to support hybrid network traffic scheduling for 3GPP access to 5GC and non-3GPP access to EPC.…”
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  9. 589

    Research on security scenarios and security models for 6G networking by Chenglei ZHANG, Yulong FU, Hui LI, Jin CAO

    Published 2021-02-01
    “…The concept of 6G has been proposed and has attracted the wide attention of academe.Generally speaking, the 6G network will optimize the performance of 5G, and expand the network scenarios which are difficult to achieve within 5G.However, the introduction of new scenarios and technologies will also bring new security threats to cyber security.The research progress on the key technologies and implementation methods of the 6G were conducted.To summarize a vision of core technologies of 6G, the research work of major 5G/6G research institutions, companies and enterprises were focused on .On this basis, the possible security problems and security challenges in 6G network were put forward.Finally, according to the existing network techniques, the possible solutions and proposed a general security model for 6G networks were discussed.…”
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  10. 590

    Growth and immune response of Litopenaeus vannamei fed on β-(1, 3) glucan and poly-β hydroxybutyrate by , Sarmin, Muhammad Agus Suprayudi, Dedi Jusadi, Julie Ekasari

    Published 2015-05-01
    “…The treatments applied in this study were control (without feed additives), 1.5 g/kg BG, 10 g/kg PHB and 1,5 g/kg BG+10 g/kg PHB. …”
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    Enhanced Production of Cellulase from Pineapple Waste by Response Surface Methodology by P. Saravanan, R. Muthuvelayudham, T. Viruthagiri

    Published 2013-01-01
    “…The optimum concentrations are avicel: 26.5 g/L, soybean cake flour: 22.5 g/L, KH2PO4: 4.5 g/L, and yeast extract: 12.3 g/L. …”
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    Comparing the Coagulation Performance of Rice Husk, Cypress Leaves, and Eucalyptus Leaves Powders with That of Alum in Improving the Turbidity and pH of Some Local Water Sources in... by Cornelius Tsamo, Eric Fru Zama, Ngu Elton Yerima, Ajingne Nelson Mandela Fuh

    Published 2021-01-01
    “…Results show reduction in turbidity is higher in mixed coagulants than with individual coagulants. At 5 g each of alum, rice husk, cypress, and Eucalyptus leaves, the corresponding turbidity values, 8.3, 13.6, 14.5, and 20.3 NTU, were obtained compared to 7.3 with 0.05 alum and 5 g rice husk mixture, 8.7 NTU with 0.05 g alum and 5 g cypress leaves mixture, and 16.1 NTU with 0.05 g alum and 5 g Eucalyptus leaves mixture, for 37.3 NTU initial turbidity. …”
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    Stability analysis for seed yield of chickpea (<i>Cicer arietinum</i> L.) genotypes by experimental and biological approaches by R. Karimizadeh, P. Pezeshkpour, A. Mirzaee, M. Barzali, P. Sharifi, M. R. Safari Motlagh

    Published 2023-04-01
    “…Superior genotypes based on simultaneous selection index of ASV (ssiASV), ssiZA, ssiDi and ssiWAAS were G14, G5, G9 and G10; those based on ssiEV and ssiSIPC were G14, G5, G10 and G15 and those based on ssiMASD were G14, G5, G10 and G15. …”
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