1、6G6G,also an extension of 5G,is the standard of sixth generation mobile communication.5G is being driven by consumers growing demand for traffic and the demand for productivity in vertical industries.In other words,it is essentially commercial demand that drives the development of 5G.vision n.视力，美景，
2、想象力traffic n.交通，运输，通信量productivity n.生产力，生产能力vertical a.垂直的，直立的commercial a.商业的，商务的 6G is driven by the needs of commercial and social.A 6G base station can be connected to hundreds or even thousands of wireless connections at the same time,and its capacity can be up to 1,000 times that of a 5G base
3、 station.On March 19,2019,the Federal Communications Commission(FCC)decided to open up the“terahertz”spectrum for future 6G network services or innovators to test the 6G technology.On November 3,China announced the establishment of a national working group and a group of experts on the promotion of
4、6G technology research and development,marking the official launch of Chinas 6G technology research and development.terahertz n.太赫兹innovator n.创新者announce n.宣布，宣告promotion n.提升，促进There are five application scenarios supported by 6G communication technologies:1.eMBB-Plus(Enhanced Mobile Broadband Plu
5、s).It is the successor of eMBB of 5G and it should enhance the performance of mobile communications in terms of interference,handover,data transmission,data processing and interoperability but also guaranteeing a high level of security and privacy.scenario n.情景，场景，方案successor n.继承者，后续的事情interference
6、 n.干扰，干涉handover n.切换，换手interoperability n.互操作性，互通guarantee v.保证，担保2.BigCom(Big Communications).It aims at extending communication services to remote areas by guaranteeing network coverage and adequate quality of service everywhere.3.SURLLC(Secure Ultra-Reliable Low-Latency Communications).It should
7、 provide higher reliability than 5G URLLC and lower latency than 5G mMTC,including security aspects.latency n.延迟，时延，潜伏reliability n.可靠性，可靠度4.3D-InteCom(Three-Dimensional Integrated Communications).It addresses 3D network analysis,planning and optimization,that takes into account the heights of netwo
8、rk nodes(e.g.satellite,unmanned aerial vehicle,underwater communications,full-dimensional MIMO architectures).address v.设法解决，提出optimization n.最佳化，优化aerial a.空中的，航空的architecture n.建筑风格，建筑样式，架构5.UCDC(Unconventional Data Communications).It includes new communication prototypes and paradigms that may ra
9、nge(but are not limited to)from holographic and tactile Internet to human-bond communications.prototype n.原型，标准，模范paradigm n.范式，范例holographic a.全息的tactile a.触觉的，有触觉的In summary,the main requirements for 6G are the following:high-speed and high-capacity communications,extreme coverage extension,low po
10、wer consumption,low latency,high reliable communications,massive connectivity and sensing and high security and privacy.consumption n.消费，消耗massive a.大量的，巨大的privacy n.隐私，秘密 The extension of the cyberspace and the adoption of Big Data and AI technologies ask for enhancements of security and privacy.On
11、 the other hand,although the improvement of the spectral efficiency in 6G would not be on a large scale due to the achievements already achieved by 5G technology,high-speed and high-capacity communications will be the basis for the provision of advanced virtual/augmented user experience.cyberspace 信
12、息空间enhancement 增加，放大virtual a.虚拟的，虚的augment v.增加，增大 Moreover,novel energy efficiency solutions,including low power consumption devices,are expected to be defined in compliance with the green communication paradigm.Finally,new network architectures are required to cope with the dynamicity of network
13、topology and to ensure high affordability and full customization based on advanced AI implementations.Novel in compliance with 按照，遵照dynamicityn.动态，动态性topology n.拓扑，拓扑学affordabilitycustomization n.定制，客户化A wide range of technologies can be considered for 6G to meet the challenges to come and many of t
14、hese are suitable to be jointly evaluated in research collaborations.Here,we highlight a selection of components that we see as potential technological enablers for the new capabilities we foresee 6G to have.collaboration n.合作，协作highlight enabler 6G will use the THz frequency band(300GHz to 3000GHz)
15、and the 6G network will be densified to an unprecedented level,at which we will be surrounded fully by small base stations.The frequency of the 6G signal is already at the level of Terahertz,which is close to the spectrum of the molecular rotational energy level.It is easily absorbed by the water mo
16、lecules in the air,so it cannot travel as far in space as the 5G signal.Therefore,the 6G signal needs the relay of more base stations.densify v.致密，增密unprecedented a.空前的，无前例的molecular a.分子的，由分子组成的6G will use spatial muliplexing technology.The 6G base station will be able to connect hundreds or even t
17、housands of wireless connections at the same time,and its capacity will be 1,000 times that of a 5G base station.The higher frequency means the greater propagation loss.The closer the coverage distance is,the weaker the diffraction ability is.5G and 6G face the same problem.However,5G solves this ki
18、nd of problems using the key technology of Massive MIMO and beam forming.The traffic of transmitted data can be increased under the configuration of multiple MIMO antennas.propagation n.传播，繁殖，增殖 diffraction n.衍射，绕射beam n.横梁，光纤，电波 The advantage of this technology is that it can increase channel capac
19、ity and improve spectrum utilization without consuming extra bandwidth and transmitting power.MIMO technology is used in 5G to improve spectrum utilization.Since 6G is located in a higher frequency band,further development of MIMO is likely to provide key technical support for 6G in the future.utili
20、zation n.利用，使用Future networks are expected to utilize AI agents for multiple functions,including optimization of radio interface,network management automation(such as optimization of parameters,handling of alarms,selfhealing)and orchestration.To enable this,precise and timely data needs to be readil
21、y available at the right places in the network,so that the intelligent agents can access the data.Optimization Interface parameter n.参数，参量orchestration n.管弦乐编曲，和谐的结合，编排，配器agent n.代理人，代理商At the same time,the networks should stream the needed data from different domains and sources in an efficient man
22、ner to avoid the transmission and storage of massive amounts of data that may never be utilized over network management interfaces.AI algorithms should be deployed and trained at different levels of the network:management layer,core,radio base stations,and as well as in the UE,possibly with the assi
23、stance of the network.algorithm n.算法，运算法则assistance n.帮助5G introduced a service-based architecture in the core network(CN)level,and in 6G service-based network design can be taken one step further to encompass also the radio access network(RAN)and possible elements of UE.It should open up for effici
24、ent cloud implementation of all network functions,reusing a common framework of service discovery,data storage,etc.,and avoiding duplicated functionality in RAN and CN,as well as unnecessary proxy functions.This ensures an efficient setup where features can be flexibly added by combining network fun
25、ctions in new ways or introducing additional network functions with minimal impediment.encompass v.包含，包围framework n.框架，结构duplicate v.复制，重复impediment n.口吃，妨碍，阻碍With the rapid development of network technology,display technology,sensing and imaging equipment,and low-power processor,in the 6G era,VR,AR
26、,and MR techniques should be integrated seamlessly with human sense through wearable displays,sensors,network,replacing todays smart phones and becoming the main tools of human entertainment,life and work.seamless a.无缝的，如缝合线的wearable a.可穿戴的，穿戴舒适的sensor entertainment In the age of 6G,with the continu
27、ous development of high-resolution imaging,sensing,wearable display,mobile robot,processor and wireless network technology,remote holography will become a reality.Remote holography transmits 3D holograms of people in different places to the same location through real-time capture,transmission and re
28、ndering technology,enabling people to communicate as if they were sitting face to face.Remote holography is not limited to the emotional communication between people,it will be widely used in distance education,collaborative design,telemedicine,telecommuting,remote training and other fields.resoluti
29、on n.分辨率，决议robot n.机器人，机械人hologram capture v.俘获，夺得render v.致使，提供emotional a.情绪的，易激动的telemedicine n.远程医疗，远程医学By 2030 and beyond,millions of self-driving cars connected around the world will drive collaboratively on a 6G network to make transportation and logistics as efficient as possible.The benefit
30、s of networked self-driving cars include reduced traffic congestion,reduced tailpipe emissions,improved transportation efficiency,and improved driving safety.logistics n.后勤，物流congestion n.拥挤，拥塞tailpipe n.排气管emission n.发射，散发Although edge clouds are already used widely in the 5G era,it is believed tha
31、t they will be unprecedentedly prosperous in the 6G era,further spawning a flood of new services.The cloud capacity of edge cloud sinks locally,bringing cloud computing power and applications closer to the user side,thereby reducing latency and network load.Just as todays cloud applications are boom
32、ing,so the edge cloud of the future is bound to spawn a flood of localized real-time applications and services.prosperous a.繁荣的，兴旺的edge n.边缘，缘，刀刃spawn v.产卵，造成latency n.延迟，时延 With the development of 5G,the future mobile communication network will enter all walks of life.Most vertical industries need
33、location services,such as asset tracking,precision marketing,transportation and logistics,AR,healthcare,etc.,but traditional satellite positioning is not accurate in urban and indoor scenes.In the 6G era,the 3D beam forming technology can realize accurate positioning at the centimeter level,and its integration with the constantly developing induction,imaging and other technologies will promote a large number of new applications.
