2022 39th National Radio Science Conference (NRSC)最新文献

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Improved Aggregated Rate for Optical Orthogonal Frequency Division Multiplexing (IARO-OFDM) for Intensity Modulated and Direct Detection of VLC Deployment over 6G Networks 用于6G网络上VLC部署的强度调制和直接检测的光正交频分复用(IARO-OFDM)改进聚合速率
2022 39th National Radio Science Conference (NRSC) Pub Date : 2022-11-29 DOI: 10.1109/NRSC57219.2022.9971454
Sara M. Farid, Mona Z. Saleh, H. Elbadawy, Salwa H. Elramly
{"title":"Improved Aggregated Rate for Optical Orthogonal Frequency Division Multiplexing (IARO-OFDM) for Intensity Modulated and Direct Detection of VLC Deployment over 6G Networks","authors":"Sara M. Farid, Mona Z. Saleh, H. Elbadawy, Salwa H. Elramly","doi":"10.1109/NRSC57219.2022.9971454","DOIUrl":"https://doi.org/10.1109/NRSC57219.2022.9971454","url":null,"abstract":"Visible light communications (VLC) are gaining an important role in 6G network deployment scenarios. Although 6G networks are planned to deliver incredibly high throughput and fulfill new applications, present frequency bands may be insufficient. Furthermore, 6G will provide improved coverage by merging terrestrial networks with underwater, air, and space networks. So VLC is used instead of the standard wireless communications which is incapable of providing such high-data rates for the non-terrestrial networks. VLC is a power-efficient and safe wireless communication system that operates in the visible light spectrum. In addition, VLC overcomes RF communication bandwidth limitations. In this paper, the overall aggregated throughput, data rate, power, and spectrum-efficiency in VLC systems will be improved by promoting a novel unipolar system titled improved aggregated rate for optical orthogonal frequency division multiplexing (IARO-OFDM). Moreover, introducing the precoding peak to average power ratio (PAPR) reduction technique to get a power efficient system and enhance the VLC system performance. Also, the authors provide a mathematical description and evaluation for the proposed IARO-OFDM system, in addition to comparing the proposed one with other current approaches which demonstrate that IARO-OFDM has a high data rate ratio (43.75%) with an acceptable system bit error rate system performance compared to other existing schemes.","PeriodicalId":156721,"journal":{"name":"2022 39th National Radio Science Conference (NRSC)","volume":"35 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123290459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Design of 22 GHz Oscillator using Integrated Defected Ground Structure Over 0.13um SiGe BiCMOS Technology 基于0.13um以上SiGe BiCMOS技术的集成缺陷接地结构22ghz振荡器设计
2022 39th National Radio Science Conference (NRSC) Pub Date : 2022-11-29 DOI: 10.1109/NRSC57219.2022.9971210
Nasr AbdulMuein, H. H. Abdullah, T. Abuelfadl, M. El-Said
{"title":"Design of 22 GHz Oscillator using Integrated Defected Ground Structure Over 0.13um SiGe BiCMOS Technology","authors":"Nasr AbdulMuein, H. H. Abdullah, T. Abuelfadl, M. El-Said","doi":"10.1109/NRSC57219.2022.9971210","DOIUrl":"https://doi.org/10.1109/NRSC57219.2022.9971210","url":null,"abstract":"This manuscript introduces a 22 GHz Voltage-Controlled Oscillator (VCO) that has a resonator consisting of an integrated Defected Ground Structure (DGS) to enhance the phase noise (PN) and reduction of size. The proposed VCO is designed in Ihp 0.13μm SiGe BiCMOS technology. The DGS is employed by differential cross-coupled VCO. This VCO has a center frequency of 22.2 GHz, and a 2 GHz tuning range. The use of DGS leads to a better-quality factor (Q)-factor than the conventional inductor, leading to better phase noise, hence better Figure of Mirit (FoM). Due to the small size of DGS, the VCO has a die area of 0.576 mm2 and consumes 6.7 mW of power. The VCO has FoM, and FoMA of 180.26db, and 182.4 dB, respectively. At the same time, the PN of the VCO is −101.6 dBc/Hz at 1 MHz regarding to the oscillation frequency of 22.2 GHz.","PeriodicalId":156721,"journal":{"name":"2022 39th National Radio Science Conference (NRSC)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128951754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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