(2.1)--25G网络概述1.pdf

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1、将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。Catalogue01025G standard evolution5G technical features将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。5G发展第一步应该做什么？什么是标准制定？What is standard setting?What should be done in

2、the first step of 5G development?将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。5G NR standards and industry organizations5G research by enterprises and school institution

3、sschoolEquipment supplierCommunication operatorRegional 5G institutions collect views and reach consensusITU final output standard3GPP是国际上最具影响力并拥有5G完整计划的5G标准研究组织，由ITU最终宣布5G标准将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。5G NR standards and industry organizat

4、ions5G research by enterprises and school institutionsschoolEquipment supplierCommunication operatorRegional 5G institutions collect views and reach consensusITU final output standard3GPP是国际上最具影响力并拥有5G完整计划的5G标准研究组织，由ITU最终宣布5G标准Through the video,we learned about the formulation of 5G standard.Now,Let

5、s talk briefly about the industry organizations.First,5G research by enterprises and school institutionsIn this period,the participants are mainly Communication operators运营商.There are many Communication operator in the picture,such as xxxAnd next period,the participants are mainly Equipment supplier

6、s，such as xxxThere are also some schools involved.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。5G NR standards and industry organizations5G research by enterprises and school institutionsschoolEquipment supplierCommunication operatorRegional 5G institutions

7、 collect views and reach consensusITU final output standard3GPP是国际上最具影响力并拥有5G完整计划的5G标准研究组织，由ITU最终宣布5G标准Then we talk about the Standard collection stage.In the stage,Regional 5G institutions collect views and reach consensus共识.The institutions include ieee/5G forumand 3GPP.About 3gpp,we need to have

8、a brief introduction.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。3GPP is the abbreviation of the 3rd generation partnership project.Its goal is to realize the smooth transition from 2G network to 3G network,ensure the backward compatibility of future techn

9、ology,and support easy network construction and roaming and compatibility between systems.But now,3GPP not only plays a role in the transition from 2G to 3G,but also plays a very important role in 3G to 4G and 4G to 5G.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学

10、生的写作水平。3GPP conference siteHowever,it should be noted that 3GPP is not a government organization,but a non-governmental organization composed of enterprises.Its members are not countries,but enterprises of various countries.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯

11、，提高了学生的写作水平。5G NR standards and industry organizations5G research by enterprises and school institutionsschoolEquipment supplierCommunication operatorRegional 5G institutions collect views and reach consensusITU final output standard3GPP是国际上最具影响力并拥有5G完整计划的5G标准研究组织，由ITU最终宣布5G标准The protagonist(主角)of t

12、he last link of 5G standard formulation is ITU.ITU final output standard.Unlike 3GPP,ITU is a government organization,and only it can output the final standard.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。The International Telecommunication Union(ITU)is an

13、important specialized agency of the United Nations and the oldest international organization in the United Nations.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。ITU is the United Nations agency in charge of information and communication technology.It is resp

14、onsible for allocating and managing global radio spectrum and satellite orbit resources,formulating global telecommunications standards,providing telecommunications assistance to developing countries,and promoting the development of global telecommunications.As a worldwide link between governments a

15、nd the private sector,ITU is the host of the World Summit on the information society through its radio communication,standardization and telecommunications development exhibition activities.ITU is headquartered in Geneva,Switzerland,and its members include 193 member countries and more than 700 depa

16、rtment members,associate department members and academic members.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。eMBB means Enhanced Mobile Broadband,it refers to the furth

17、er improvement of user experience and other performance based on the existing mobile broadband business scenarios.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。mMTC is the abbreviation of massive machine type of communication.mMTC focuses on man-machine inte

18、rconnection,mainly in the field of Internet of things.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。uRLLC means ultra-reliable&low-latency communication.It is one of the three application scenarios of 5G technology and is applicable to mobile devices,industr

19、ial control,Internet of vehicles,telemedicine and other fields.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。2014201620172018201920205G 商用第一版5G标准2015IMT-2020 demandIMT-2020 proposalIMT-2020 technical specificationsRel-13Rel-12Rel-14Rel-15Rel-16Rel-175G Phase

20、 I5G Phase 25G Research5G evolutionLTE-AdvancedLTE-A Pro5G标准完整版Progress of 5G NR standardNow,lets learn the Progress of 5G NR standard.5G research began in 2016 and was officially commercial in 2020IMT-2020 is the scientific name of 5G.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟

21、通，培养了良好的写作习惯，提高了学生的写作水平。2014201620172018201920205G 商用第一版5G标准2015IMT-2020 demandIMT-2020 proposalIMT-2020 technical specificationsRel-13Rel-12Rel-14Rel-15Rel-16Rel-175G Phase I5G Phase 25G Research5G evolutionLTE-AdvancedLTE-A Pro5G标准完整版5G standard starts from R15,which is the basic version.5G standa

22、rd is divided into two stages:The first stage(phase1:embb commercial)the first stage mainly focuses on the research of eMBB and the basic content of uRLLC.At the same time,the first stage is divided into two small stages.Stage 1.1 is NSA and stage 1.2 is SA.The second stage(Phase2:complete business)

23、R16 is a stage with complete competitiveness.Mainly the enhancement of eMBB and uRLLC.In the subsequent R17,mMTC will be introduced.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。Many countries actively carry out 5G layout全球主流区域5G发展计划中国积极推进2020年商用 中国政府积极推进5G于

24、2020年商用 工信部从2015.092018.10主导5G技术试验，试验包含关键技术验证，技术方案验证和系统验证三个阶段日韩发展计划超前 日本计划在2020年东京奥运会之前实现5G商用，DoCoMo正在组织验证5G关键技术 韩国(KT)将于2018年初开展5G预商用试验，支持平昌冬奥会美国欲引领5G产业发展 Verizon宣布发布5G标准并在2017年部署 AT&T投入巨大精力进行实验室测试 Sprint在2016年美洲杯展示5G主要技术 FCC 分 配 5Glicense 频 段：28gHz(27.5-28.35GHz),37gHz(37-38.6gHz),39gHz(38.6-40gHz

25、)欧洲主导5G标准节奏 设立H2020计划，组建5GPPP联盟，推动METIS研究项目等 欧洲阵营主导着5G标准节奏 欧洲运营商推动5G在垂直行业的应用 2016年9月发布欧盟5G行动计划将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。韩国宣称冬奥会前商用5GIn order to welcome the Pyeongchang Winter Olympic Games and actively promote 5G,South Korea led the pre c

26、ommercial in 2018.South Korea claims commercial 5G before the 2018 Winter OlympicsThe first 5G commercial country in the world is South Korea,one hour earlier than the United States.The 5G of South Korea uses Huaweis equipment,and the United States is unwilling to cooperate with Huawei,but their 5G

27、effect is particularly poor.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。Verizon in the United States led the release of 5G specification technology2016年7月宣布完成5G无线规范制定2017年进行商用部署进行5G全系统验证2015建立V5GTFVerizon plans to become the first U.S.operator to deploy 5G

28、 networks.Precommercial 5G trials have been conducted in several locations in the United States,including New Jersey,Massachusettsand Texas At&t,the largest mobile phone service provider in the United States,has conducted large-scale laboratory validation of 5G technology,and is expected to conduct

29、large-scale outdoor validation in quarter4 2017.The FCC of the United States has allocated about 11gHz frequency points to 5G high-frequency deployment,including 28gHz,37gHz,39gHz,and 64-71gHz将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。China actively promo

30、tes 5G commercial use in 2020China actively promotes 5G commercial use in 2020The scale of 5G users in China has expanded rapidly at the same time,and the user scale has exploded at the rate of adding tens of millions of users every month.By the end of June 2021,Chinas mobile phone users had reached

31、 1.61 billion,an increase of 1.2%year-on-year.Among them,the number of 5G mobile terminal users reached 365 million,accounting for more than 80%of the world.5G mobile terminal users account for 22.6%of the total number of mobile phone users.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间

32、的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。China actively promotes 5G commercial use in 2020中国5G部署时间计划：201520162017201820192020关键技术验证解决方案验证系统验证技术研发&验证产品验证5G industrial structure mainly includes access network,transmission network,core network,telecom operators,network supporting service providers,5G application e

33、cology and industrial services.According to the products and services provided by the main market participants in each section,we will go to the molecular section.Policies vigorously support the development of 5G industry.The Chinese government has incorporated 5G into the national key development s

34、trategy,and 5G has become the key support of the information economy.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。All sectors of Japan cooperate to promote 5G industrialization日本政府预计在2020年奥运会之前商用5G网络。Japanese government,operators and academia cooperate to p

35、romote 5G industrialization1.For the 5G construction,the Japanese government intervened at the national strategic level and formulated relevant constraints to ensure that the 5G construction meets the requirements at the national level;2.The initial construction of 5G#does not aim at the population

36、coverage rate,and does not follow the route of cities before villages and towns.The leading idea is demand-oriented;将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。Catalogue01025G standard evolution5G technical features将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学

37、生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。5G无处不在万物互联高铁航海航空体育商业穿戴设备MTC智能农业智能生活家居自动驾驶智能物流医疗10-100X 速率10-100X接入终端10X电池寿命1/5连接时延1000X 容量5G era of internet of everything将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。10-100X 速率10-100X接入终端10X电池寿命1/5连接时延1000X 容量

38、5G era of internet of everything5G can support many scenarios，such as Wearable devices,autonomous driving,smart logistics,smart agriculture and smart home.Similarly,5G also supports special services in many scenarios，Such as high-speed rail,aircraft,ships,and the scenes of traffic gathering such as

39、stadiums and commercial streets.What are the common features of the airplane,ship and high-speed rail scenes?Yes,its very fast.So 5G should be able to maintain connection at high speed.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。时延峰值吞吐率连接数高速移动性1ms空口10G+bps

40、每用户1000K每平方公里500KM每小时5G4G差距10-50ms100M-1Gbps10K350KM/h10-50X10-100X100X1.5X5G network key performance indicators将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。1.The peak rate needs to reach 10-20gbit/s to meet the transmission of high-definition video,virtual

41、 reality and other large amounts of data.2.The time delay of air interface is as low as 1ms,which meets the real-time applications such as autopilot and telemedicine.3.It has the equipment connection capacity of one million connections/square kilometers to meet the communication of the Internet of t

42、hings.Seven technical indicators of 5G将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。4.The spectral efficiency should be more than 3 times higher than LTE.5.With continuous wide area coverage and high mobility,the user experience rate reaches 100mbit/s.6.The

43、flow density reaches more than 10mbps/m2.7.Mobility supports high-speed mobility of 500 km/h.Seven technical indicators of 5G将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。Based on these indicators,5G can support so many scenarios.For example,the high-speed r

44、ail scenario,Because 5G mobility supports high-speed mobility of 500km/h，Therefore,5G signal connection can be maintained on high-speed rail。Because we know that the speed of high-speed rail is about 400km/h.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。key

45、performance indicators of 5G network5G network is characterized by providing users with optical fiber like access rate,use experience of zero delay,connection capacity of 100 billion devices,ultra-high traffic density,ultra-high connection number density,ultra-high mobility and ultra-high network en

46、ergy efficiency.将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。5G network key performance index-high speed5G network is the fifth generation mobile communication network.Its peak theoretical transmission speed can reach 10GB+per second,compared with the previ

47、ous 4G network.The transmission rate is increased by more than 10 times,and the application of Ultra HD,VR and AR can be realized by using the characteristics of high-speed transmission rate.2.5-4Mbps全高清(1080P)4-6Mbps超高清(4K)30-40MMbps10G+bps将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间

48、的了解与沟通，培养了良好的写作习惯，提高了学生的写作水平。5G network key performance index-interconnection of all things5G will change society.In the future,it will be closely combined with artificial intelligence and big data,open a new era of interconnection of all things,solve the communication between people and things,thin

49、gs and things,from the intelligent transformation of parking lots,gymnasiums and shopping places to home intelligent hardware and travel,and will reshape our lives.城市照明管理公共设施管理环境监控污染监控智能停车实时监控智能电网智能电网智能抄表智能抄表5G传感器实时监控5G网络实时监控实时监控将咖啡屋学习模式应用于小学生的作文教学中，落实到作文教学的等各个环节，充分激发了学生写作的主动性和积极性，加强了学生间的了解与沟通，培养了良好

50、的写作习惯，提高了学生的写作水平。5G application scenario DivisionCompared with 4G,5G shows better performance.We need to keep these indicators in mind.Traffic density,connection density,delay,mobility,energy efficiency(Mainly reflected in power consumption),user experience rate,spectral efficiency,peak rate将咖啡屋学习模式