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2021 IEEE International Conference on Signal Processing, Information, Communication & Systems (SPICSCON)最新文献

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A Framework of Metaverse for Systems Engineering 面向系统工程的元宇宙框架
Kari J. Lippert, Md. Nasfikur R. Khan, M. Rabbi, Anik Dutta, R. Cloutier
Recently the Metaverse has received enormous attention around the world. The advanced metaverse will be a more realistic environment with greater specific and subtle interconnections, with less race, gender, and even physical impairment, all of which would be immensely helpful to society. However, metaverse is still in its infancy, with a lot of room for improvement. The industry has already begun to prepare for the metaverse’s enormous potential, supported by frenzied investment, yet there are few talks on metaverse in academia to scientifically lead its growth. In this paper, we present a metaverse design that adopts a global approach to technology, communication, and the environment. We propose an AI-driven metaverse model that might be deployed to realize the promise of model-based systems engineering in the near future. Finally, we offer research questions that should be taken up by academia to further the metaverse.
最近,虚拟世界在全世界受到了极大的关注。先进的元宇宙将是一个更现实的环境,有更具体和微妙的相互联系,更少的种族,性别,甚至身体损伤,所有这些都将对社会有极大的帮助。然而,虚拟世界仍处于起步阶段,有很大的改进空间。在疯狂投资的支持下,业界已经开始为虚拟世界的巨大潜力做准备,但学术界很少有关于虚拟世界的讨论,以科学的方式引领其发展。在本文中,我们提出了一种对技术、通信和环境采用全局方法的元宇宙设计。我们提出了一个人工智能驱动的元宇宙模型,可以在不久的将来实现基于模型的系统工程的承诺。最后,我们提出了学术界应该采取的研究问题,以进一步推进元宇宙。
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引用次数: 7
Compact Multiband Fern Fractal Antenna for GPS/Bluetooth/WLAN Applications 紧凑型多波段蕨类分形天线用于GPS/蓝牙/WLAN应用
R. Arya, Aswin Chowdary Undavalli, Ayush Yadav, Abhishek Anand
A novel compact CPW-fed fern fractal monopole antenna is presented. The proposed antenna covers different bands of GPS (Global Positioning System) L5 (1176 MHz), Industrial, Scientific and Medical (ISM) band (2.45 GHz), and wireless local area network (WLAN) 5.2 GHz. The small physical size and multiband operations are significant in the design of modern antennas. Fractal geometry provides simultaneously a good method for achieving the desired miniaturization and multiband performances. The proposed antenna is designed on an FR4 substrate with a permittivity of 4.4 and a thickness of 1.6mm with the overall size of an antenna as 90mm×60mm×1.6mm. The antenna works for frequency ranges of 1.07–1.18 GHz, 2.4–2.7 GHz, and 4.2–5.4 GHz with gains of 1.4 dBi, 3.0 dBi, and 5.8 dBi, respectively.
提出了一种新型的紧凑cpw馈电蕨类分形单极天线。该天线覆盖全球定位系统(GPS) L5 (1176 MHz)、工业、科学和医疗(ISM)频段(2.45 GHz)和无线局域网(WLAN) 5.2 GHz的不同频段。小的物理尺寸和多波段操作在现代天线设计中具有重要意义。分形几何同时为实现理想的小型化和多波段性能提供了一种很好的方法。该天线设计在介电常数为4.4,厚度为1.6mm的FR4衬底上,天线的总尺寸为90mm×60mm×1.6mm。工作频率范围为1.07-1.18 GHz、2.4-2.7 GHz和4.2-5.4 GHz,增益分别为1.4 dBi、3.0 dBi和5.8 dBi。
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引用次数: 0
Performance Analysis of UMi-MIMO Channel at 28 GHz Considering Condition Number and Rank in NLOS Environment NLOS环境下考虑条件数和等级的28 GHz UMi-MIMO信道性能分析
S. Tasnim, Taniza Marium, Syed Abdullah-Al-Nahid, Tafsir Ahmed Khan, Md. Abu Taseen, A. Baki
Millimeter wave (mmWave) frequency band has the potential to become one of the most influential contributors to fulfill the need of faster wireless communications with increased capacity. Multiple input multiple output (MIMO) technique, which is a candidate technology for mmWave wireless communication system, enables designing of communication channels utilizing spatial multiplexing. This paper represents an analysis of 2×2 and 4×4 MIMO channel characteristics for Urban Micro (UMi) cell scenario at 28 GHz. Main two performance indicators, those were considered in the paper are condition number and rank of the channel matrix in non-line of sight (NLOS) environment. Other parameters, those were considered, are Power Delay Profile (PDP), Outdoor to Indoor (O2I) penetration loss, and antenna spacing. The performance comparison between 2×2 and 4×4 MIMO channel for both Co-Polarization (Co-Pol) and Cross-Polarization (Cross-Pol) of antennas are also analyzed. The channel modelling was done using an open source channel simulator NYUSIM.
毫米波(mmWave)频段有潜力成为满足容量增加、速度更快的无线通信需求的最具影响力的贡献者之一。多输入多输出(MIMO)技术是毫米波无线通信系统的候选技术,可以利用空间复用设计通信信道。本文分析了城市微(UMi)小区场景下28ghz的2×2和4×4 MIMO信道特性。本文主要考虑了非视距环境下信道矩阵的条件数和秩两个性能指标。其他考虑的参数包括功率延迟曲线(PDP)、室内外(O2I)穿透损耗和天线间距。对2×2和4×4两种MIMO信道在天线共极化(Co-Pol)和交叉极化(Cross-Pol)下的性能进行了比较分析。通道建模是使用开源通道模拟器NYUSIM完成的。
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引用次数: 0
期刊
2021 IEEE International Conference on Signal Processing, Information, Communication & Systems (SPICSCON)
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