英语PPT展示-5Gppt课件

1、；.1英 语 (3) 班；.2CONTENTCONTENT143The development of mobile communication technology Research status of 5G.Will 5G change peoples lives?2What is 5G?；.31The development of mobile communication technology ；.4The development of mobile communication technology Simulation of mobile communication systemDigi

2、tal mobile Digital mobile communication systemcommunication system 1G 3G 4G 2Gmultimedia mobile communication systemBroadband access and distribution network system1980199020062011CallCall sent messageCall sent messagesurf internet.Call sent messagesurf internet.；.52What is 5G?；.6What is 5G?5G =The

3、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. ；.7Speed What is 5

4、G?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.；.8Internet of things What

5、is 5G?5G technology will be able to bring the human society into a network society, which is the new internet of things.；.9Key Technologies What is 5G?u Massive MIMO 大规模多变量控制系统u Ultra-dense Network 超密集网络u Novel multiple access 新型多址接入u All-spectrum Access 全频谱接入u New network architecture 新型网络结构u .；.10

6、3Research status of 5G.；.11Research status of 5G.On February,2015, 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 i

7、n 2020.On May 13, 2014, Samsung Electronics announced that they have taken the first mobile transmission network basing on 5G .In October 2014, the peak speed of mobile transmission network reached 7.5Gbps in stationary state . ；.12Research status and challenges of 5G.In 2009, HUAWEI has undertaken

8、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, 2015，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 2017.；.134Will 5G change peoples lives?；.14Will 5G ch