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Space Information Networks 空间信息网络
Pub Date : 2019-04-01 DOI: 10.1007/978-981-13-5937-8
Lin Bai, Tomaso de Cola, Quan Yu, W. Zhang
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引用次数: 0
Opportunities and Challenges of mmWave NR 毫米波NR的机遇与挑战
Pub Date : 2019-04-01 DOI: 10.1109/MWC.2019.8700132
Aida Vera Lopez, A. Chervyakov, Greg Chance, S. Verma, Yang Tang
The realization of a seamless, fully connected world requires enhancements to our current communications technology, from both a network infrastructure perspective and a user equipment (UE) perspective. These demands are directly driven by the consumer’s expectations, application requirements, and saturation of frequency bands used in current spectrum. The fifth generation (5G) of mobile communication networks, and specifically millimeter-wave (mmWave) New Radio (NR), aims to enable this future with ultra-low-latency, ultra-wideband services, opening up a whole new era of applications and services, much like 4G Long Term Evolution (LTE) did a decade ago. To enable 5G, the Third Generation Partnership Project (3GPP) is focusing on defining the technical specifications for NR technology, as well as enhancements to the current LTE. However, enabling and launching 5G NR presents both technological opportunities and challenges. In this column, we explore how 5G mmWave challenges are being approached in 3GPP standardization and how solutions can enable the technology to help achieve broader bandwidths and harness some of the inherent benefits of higher-frequency communications.
实现一个无缝的、完全连接的世界需要从网络基础设施和用户设备(UE)的角度增强我们现有的通信技术。这些需求是由消费者的期望、应用需求和当前频谱中使用的频段饱和直接驱动的。第五代(5G)移动通信网络,特别是毫米波(mmWave)新无线电(NR),旨在通过超低延迟、超宽带服务实现这一未来,开辟一个全新的应用和服务时代,就像十年前4G长期演进(LTE)所做的那样。为了实现5G,第三代合作伙伴计划(3GPP)专注于定义NR技术的技术规范,以及对当前LTE的增强。然而,启用和推出5G NR既带来了技术机遇,也带来了挑战。在本专栏中,我们将探讨在3GPP标准化中如何应对5G毫米波挑战,以及解决方案如何使该技术帮助实现更宽的带宽,并利用高频通信的一些固有优势。
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引用次数: 39
Enabling Efficient 5G NR and 4G LTE Coexistence 实现5G NR和4G LTE的高效共存
Pub Date : 2019-02-01 DOI: 10.1109/MWC.2019.8641417
L. Wan, Zhiheng Guo, Xiang Chen
This article introduces the efficient coexistence between LTE and 5G-NR. Through the UL only sharing known as UUDL decoupiing, 5G-NR provides a tool to extend its coverage with C -Band deployment, and makes it possible to deploy a C-Band 5G-NR network using existing LTE sites for seamless coverage. Moreover, the co -site deployment of 5G-NR and LTE greatly reduces the 5G-NR network cost and speeds up the 5G-NR commercialization. The UL sharing between LTE and 5G -NR also provides a powerful tool to strike a good balance between spectrum efficiency and low latency, and between coverage and channel bandwidth. The simultaneous 5G-NR DUUL sharing with an LTE DUUL carrier provides the possibility of early and low load 5G-NR deployment since the FDD LTE DL may have such high traffic load that only a shared low traffic load on 5G-NR DL can be accommodated. The 5G -NR is also designed to coexist with a TD-LTE system in the same TDD band to align the UUDL transmission direction. Overall, 5G-NR is designed to allow efficient coexistence with 4G LTE for very flexible deployments and use cases.
本文介绍了LTE和5G-NR的高效共存。通过UUDL解耦,5G-NR提供了一种工具,可以通过C波段部署扩展其覆盖范围,并使使用现有LTE站点部署C波段5G-NR网络实现无缝覆盖成为可能。此外,5G-NR和LTE的同局部署大大降低了5G-NR网络成本,加快了5G-NR商用。LTE和5G -NR之间的UL共享也为实现频谱效率和低延迟、覆盖范围和信道带宽之间的平衡提供了有力的工具。与LTE DUUL运营商同时共享5G-NR DUUL,为5G-NR的早期低负载部署提供了可能,因为FDD LTE DL可能具有如此高的流量负载,因此只能容纳5G-NR DL的共享低流量负载。5G -NR还被设计为与同一TDD频段的TD-LTE系统共存,以对齐UUDL传输方向。总体而言,5G-NR旨在与4G LTE高效共存,以实现非常灵活的部署和用例。
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引用次数: 25
Message from the Editor-in-Chief 总编辑寄语
Pub Date : 2019-01-01 DOI: 10.1109/MWC.2019.8641414
Y. Qian
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引用次数: 0
Deploying the First PSTN-Based IoT Mechanism 部署首个基于pstn的物联网机制
Pub Date : 2018-12-01 DOI: 10.1109/MWC.2018.8600748
Yi-Bing Lin, Rong-Syh Lin, Yuan-Kai Chen, Chin-Ywu Twu, Shun-Ren Yang
Existing IoT services are based on data communications technologies that do not involve the public switched telephone network (PSTN). Since the telephone numbers have been assigned to machine-type devices, PSTN switches can play a role in IoT service routing. In this article we deploy a PSTN-based IoT mechanism where the interaction between the users and the IoT devices is achieved through PSTN switches. To our knowledge, this is the first PSTN-based IoT solution in the world. With this mechanism, all PSTN customer premises equipment (CPE; fixed-line and mobile phones) can access IoT services without installing any software (mobile apps). By reusing the existing PSTN infrastructure, PSTN-based IoT offers telecom-grade service, security, and network management for IoT, which are very expensive to build in non-PSTN-based IoT. Our approach conveniently enables the existing CPE to access IoT applications, which will significantly promote the IoT service industry.
现有的物联网服务基于数据通信技术,不涉及公共交换电话网(PSTN)。由于电话号码已经分配给机器类型的设备,PSTN交换机可以在物联网业务路由中发挥作用。在本文中,我们部署了一个基于PSTN的物联网机制,其中用户和物联网设备之间的交互是通过PSTN交换机实现的。据我们所知,这是世界上第一个基于pstn的物联网解决方案。通过这种机制,所有PSTN客户端设备(CPE;固定电话和移动电话)无需安装任何软件(移动应用程序)即可访问物联网服务。通过重用现有的PSTN基础设施,基于PSTN的物联网为物联网提供电信级服务、安全性和网络管理,而在非基于PSTN的物联网中构建这些服务、安全性和网络管理非常昂贵。我们的方法使现有的CPE能够方便地访问物联网应用,这将大大促进物联网服务行业的发展。
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引用次数: 7
Spectrum Policy for Radio Technology Experiments 无线电技术实验的频谱政策
Pub Date : 2018-12-01 DOI: 10.1109/MWC.2018.8600749
M. Marcus
Spectrum policy has to deal with both operational use of spectrum-based systems as well as experiments to develop innovative technologies both to improve present uses or for entirely new uses. For example, two decades ago use of > 30 GHz millimeter-wave spectrum for mobile communications would have seemed ludicrous to most practitioners, but today it is a major component of the pending fifth generation (5G) wireless systems. Different countries have different ways of dealing with authorizing experimental use of spectrum to advance both wireless communications and other spectrum uses. This column reviews the approaches used in several countries. The U.S. Federal Communications Commission (FCC) issues about 2000 experimental licenses a year. In 2010–2016, the FCC reviewed and updated its provisions for experimental licensing in Docket 10-236.1
频谱政策必须处理基于频谱的系统的操作使用以及开发创新技术的实验,以改进现有用途或用于全新用途。例如,20年前,在移动通信中使用> 30 GHz毫米波频谱对大多数从业者来说似乎是荒谬的,但今天它是即将到来的第五代(5G)无线系统的主要组成部分。不同的国家在授权实验性使用频谱以推进无线通信和其他频谱使用方面有不同的方式。本专栏回顾了几个国家使用的方法。美国联邦通信委员会(FCC)每年颁发大约2000个实验许可证。2010-2016年,FCC审查并更新了Docket 10-236.1中关于实验许可的规定
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引用次数: 0
Security and Privacy in Wireless IoT 无线物联网中的安全和隐私
Pub Date : 2018-12-01 DOI: 10.1109/MWC.2018.8600750
Xiaojiang Du, Hsiao-Hwa Chen, Liehuang Zhu, Jiangli Li, Zheng Chang
The 13 articles in this special section focus on security and privacy in wireless Internet of Things (IoT). IoT is a paradigm that involves networked physical objects with embedded technologies to collect, communicate, sense, and interact with the external environment through wireless or wired connections. With rapid advancements in IoT technology, the number of IoT devices is expected to surpass 50 billion by 2020, which has also drawn the attention of attackers who seek to exploit the merits of this new technology for their own benefits. There are many potential security and privacy threats to IoT, such as attacks against IoT systems and unauthorized access to private information of end users. As IoT starts to penetrate virtually all sectors of society, such as retail, transportation, healthcare, energy supply, and smart cities, security breaches may be catastrophic to the actual users and the physical world. To tackle the security challenges in the design of future wireless IoT systems, we have organized this Special Issue focusing on the security, privacy, and performance of future wireless IoT.
本专题的13篇文章将重点介绍无线物联网(IoT)中的安全和隐私。物联网是一种范例,它涉及具有嵌入式技术的联网物理对象,通过无线或有线连接收集、通信、感知和与外部环境交互。随着物联网技术的快速发展,到2020年,物联网设备的数量预计将超过500亿,这也引起了攻击者的注意,他们试图利用这项新技术的优点为自己谋取利益。物联网存在许多潜在的安全和隐私威胁,例如对物联网系统的攻击和对最终用户私人信息的未经授权访问。随着物联网开始渗透到社会的几乎所有领域,如零售、交通、医疗、能源供应和智慧城市,安全漏洞可能对实际用户和物理世界造成灾难性的影响。为了应对未来无线物联网系统设计中的安全挑战,我们组织了本期专题,重点关注未来无线物联网的安全性、隐私性和性能。
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引用次数: 4
Industry Perspective 行业角度来看
Pub Date : 2018-10-01 DOI: 10.1109/MWC.2018.8524885
Yifei Yuan
Reports on industry interest in 5G non-orthogonal multiple access (NOMA)and discusses a study being conducted to test and measure its transmission/performance capabilities. As a pure physical layer signal processing technology, NOMA was briefly studied In Release 14 study of fifth generation New Radio (5G NR) [2], with the focus on grant-free uplink transmission for the massive machine type communication (mMTC) scenario. Grant-based uplink NOMA was not high priority since it is more about scheduler implementation without much need for standardization. MUST (multi-user superposition transmission) was not borrowed for 5G NR downlink because of massive multiple-input multiple-output (MIMO) setup for > 3GHz deployment where the further gain from NOMA is marginal. The study was terminated in October 2016 so that the Third Generation Partnership Project (3GPP) can focus on more basic functionalities of 5G NR in Release 15. Even though Release 15 NR networks are largely orthogonal- multiple-access-based, there is strong interest in NOMA from both industry and academia. NOMA study was restarted in Release 15 [3], and applicable scenarios were expanded to ultra-reliable low-latency communication (URLLC) and enhanced mobile broadband (eMBB) . More than 16 NOMA schemes at the transmitter were proposed by over 14 companies. The study is expected to be completed in December 2018, followed by a Work Item for the normative work to be finished in December 2019.
报告行业对5G非正交多址(NOMA)的兴趣,并讨论了一项正在进行的研究,以测试和测量其传输/性能能力。作为一种纯物理层信号处理技术,NOMA在第五代新空口(5G NR)的第14版研究中进行了简要研究[2],重点研究了大规模机器类型通信(mMTC)场景下的无授权上行传输。基于授权的上行链路NOMA不是高优先级的,因为它更多的是关于调度程序的实现,而不需要太多的标准化。5G NR下行链路没有借用MUST(多用户叠加传输),因为> 3GHz部署需要大量多输入多输出(MIMO)设置,而NOMA的进一步增益是微不足道的。该研究于2016年10月终止,以便第三代合作伙伴计划(3GPP)可以在第15版中专注于5G NR的更基本功能。尽管Release 15 NR网络在很大程度上是基于正交多址的,但业界和学术界对NOMA都有浓厚的兴趣。Release 15重新启动NOMA研究[3],应用场景扩展到超可靠低延迟通信(URLLC)和增强型移动宽带(eMBB)。超过14家公司在发射机上提出了超过16种NOMA方案。该研究预计将于2018年12月完成,随后将于2019年12月完成规范工作的工作项目。
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引用次数: 0
Potential Applicability of Distributed Ledger to Wireless Networking Technologies 分布式账本在无线网络技术中的潜在适用性
Pub Date : 2018-09-04 DOI: 10.1109/MWC.2018.8454517
P. Kuo, Alain A. M. Mourad, Jaehyun Ahn
The decentralized nature of existing and future wireless network topologies has opened some unique opportunities for DLT to play a role in communications. In this column, we have reviewed the basic operation of a consensus mechanism, as well as the current trend of a DLT-based security model that is particularly important for loT. We further point out that, beyond application layer and security, DLT also has potential in other aspects of wireless networking such as computing and radio connectivity. Specifically, we see DLT as a perfect tool that should be leveraged to realize fog -RAN, as the consensus mechanism of DLT may be used to maintain tight synchronization among computing and networking resources in different locations. On the other hand, DLT could also be employed to avoid potential collision that may occur in grant -free uplink access. In summary, we believe that DLT will gradually become a key tool to reshape communication systems in a wide range of aspects, covering not just applications and security, but also connectivity and computing.
现有和未来无线网络拓扑的分散性为DLT在通信中发挥作用提供了一些独特的机会。在本专栏中,我们回顾了共识机制的基本操作,以及基于dlt的安全模型的当前趋势,这对loT尤为重要。我们进一步指出,除了应用层和安全性之外,DLT在无线网络的其他方面也有潜力,例如计算和无线电连接。具体来说,我们认为DLT是一个完美的工具,应该用来实现雾-RAN,因为DLT的共识机制可以用来保持不同位置的计算和网络资源之间的紧密同步。另一方面,DLT也可以用来避免在无授权上行访问中可能发生的潜在冲突。综上所述,我们认为DLT将逐渐成为广泛重塑通信系统的关键工具,不仅涵盖应用和安全,还包括连接和计算。
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引用次数: 11
Message from the Outgoing Editor-in-Chief: Farewell Message 即将离任的总编辑留言:告别留言
Pub Date : 2018-08-01 DOI: 10.1109/MWC.2018.8454516
H. Gharavi
I T IS my pleasure to announce that the new Editor-in-Chief (EiC) of our Transactions is Prof. Tzong-Lin Wu. He has already taken brilliantly the office of EiC. In almost last three years, many things have been done to make significant improvements to this Journal. They range from the introduction of regulations that helped to make clear and more transparent the management and actions of all the officials (EiC, AEs, reviewers, etc.), a new definition of the time frame in which all the actions of the review process of a paper should be done, an EMC-oriented taxonomy of the reviewers’ competencies in order to facilitate their proper selection by the Associate Editors. Particular care has been given to the future of the publication by nominating young and competent new AEs that with their fresh energies and relevant scientific skills project the Transactions on the new frontiers of EMC. The T-EMC Advisory Board has been enriched by two members with a strong industrial background in order to offer their experience and views in steering the Transactions toward relevant and real-world topics. The Distinguished Reviewers Award has been continued and a new regulation for the Best Transaction Paper Award has been proposed and approved for a more selective and scientifically consistent choice of the winner. But all these successfully implemented initiatives (that are a part of many others, such as the definitive cleaning of the T-EMC User database, the paginated online publication of the issues with an average of three months in advance with respect to the nominal date, a good number of well-received Special Issues and Sections, the introduction of the category of Review Papers, etc.) converge toward the achievement of a constant increasing trend of the bibliometric figure of merits, such as the impact factor (IF). From the irrelevant IF value of 0.404 in year 2000 to the significant IF of 1.297 at the end of the extraordinary term of
我很高兴地宣布,我们的新主编(EiC)是吴宗林教授。他已经出色地担任了EiC的职务。在过去的三年里,我们做了很多事情,对《华尔街日报》进行了重大改进。它们包括引入有助于使所有官员(EiC, ae,审稿人等)的管理和行动更加清晰和透明的法规,对论文审查过程中所有行动的时间框架进行新的定义,以环境管理委员会为导向的审稿人能力分类,以便于副编辑正确选择他们。特别关注出版物的未来,提名年轻和有能力的新助理,以他们的新鲜活力和相关的科学技能将《汇刊》推向EMC的新领域。T-EMC咨询委员会的两名成员拥有强大的行业背景,以提供他们的经验和观点,指导交易朝着相关和现实世界的主题发展。杰出评论家奖继续颁发,最佳交易论文奖的新规定已被提出并批准,以更有选择性和科学一致地选择获奖者。但是,所有这些成功实施的举措(这些举措是许多其他举措的一部分,例如彻底清理T-EMC用户数据库、平均提前三个月在网上出版专题、大量广受欢迎的专题和章节、引入评论论文类别等)都汇聚在一起,实现了文献计量学价值数字不断增加的趋势。例如影响因子(IF)。从2000年不相关的中频值0.404到非常期结束时显著的中频值1.297
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引用次数: 2
期刊
IEEE Wirel. Commun.
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