英语展示五G省公共课一等奖全国赛课获奖课件.pptx

英 语 (3)班第1页CONTENTCONTENT143The development of mobile communication technology Research status of 5G.Will 5G change peoples lives?2What is 5G?第2页1The development of mobile communication technology 第3页The development of mobile communication technology Simulation of mobile communication systemDigital mobile Digital mobile communication systemcommunication system 1G 3G 4G 2Gmultimedia mobile communication systemBroadband access and distribution network system19801990CallCall sent messageCall sent messagesurf internet.Call sent messagesurf internet.第4页2What is 5G?第5页What is 5G?5G=The fifth generation mobile communication technology.Technology upgradCompared with 2G,3G and 4G,5G is not independent and brand-new.It is a combination and further development of present mobile communication technology.It will be steadier and safer than the previous technologies.第6页Speed What is 5G?The highest theoretical transmission speed of 5G will be up to 10Gb per second,which will be hundreds of times faster than the existing 4G network transmission speed,which means that a super high quality film in the future can be completely downloaded within 1 second.第7页Internet of things What is 5G?5G technology will be able to bring the human society into a network society,which is the new internet of things.第8页Key Technologies What is 5G?uMassive MIMO 大规模多变量控制系统uUltra-dense Network 超密集网络uNovel multiple access 新型多址接入uAll-spectrum Access 全频谱接入uNew network architecture 新型网络结构u.第9页3Research status of 5G.第10页Research status of 5G.On February,a British researcher said,the mobile transmission speed of 5G network has reached 1Tbps in stationary state,which is 65000 times faster than the current 4G network transmission speed.The UK expects to use the 5G network service in.On May 13,Samsung Electronics announced that they have taken the first mobile transmission network basing on 5G.In October,the peak speed of mobile transmission network reached 7.5Gbps in stationary state.第11页Research status and challenges of 5G.In,HUAWEI has undertaken the research of 5G technology.In this year,Huawei and Ericsson are testing some related technologies of 5G.China would strengthen the research of 5G technology.ON September 9,，Verizon,the largest wireless company in America,announced Verizon would be the next year to try the 5G network,and would officially build the commercial 5G network in.第12页4Will 5G change peoples lives?第13页Will 5G change peoples lives?low-power massive-connectionslow-latency high-reliability.Mobile internetInternet of things第14页THANK YOU VERY MUCH！第15页