5G是（）技术。

A:现有无线接入技术（4G后向演进技术）集成后 B:多种新型无线接入技术 C:全新的无线接入技术 D:一个真正意义上的融合网络

2017年是5G国际标准正式启动和推进的一年，全球5G进入研发的关键阶段。预计到2018年底，我国将结束5G技术试验。下列关于5G的说法不正确的是

A:支撑无人驾驶汽车和无人机的操控 B:提供充足的网络地址和广阔的创新空间 C:构建高宽带、低迟延、广覆盖的网络 D:新波形和新编码是5G新的空口关键技术

Scope, complexity, and scale of even a single 5G network are massively larger than intoday’s network. The main challenge is automation on all levels of the 5G eco-system.Without it, the network simply will not work; neither for the anticipated scale nor for thedesired functional complexity.Fundamentally, automation is realized by a largely self-governed network bound tovaring business goals: its configuration, its services, how they are provided, and how it ismanaged. A governance model, ideally realized by policies, defines how these goals are implemented and monitored. Those policies can be low-level configuration parameters,mid-level strategies or high-level intents and goals. Using a mix of these policies impliestranslation between: top-down for realization and bottom-up for action/benefit andvalidation purposes. Networks and models must address multiple, diverse constituencies. Human intervention should be kept to a minimum (oversight). Management meansmonitoring and repair; not control. Classic self-capabilities are the benefits.

The main challenge is ________ on all levels of the 5G eco-system.

A:rate B:data C:automation D:management

[ With the 4G telecommunications systems now starting to be deployed, people are looking towards the development of 5th generation or 5G technology services. Although the deployment of any wireless or cellular system take many years, development of the 5G technology systems is being investigated. The new 5G technologies will need to be chosen developed and perfected to enable timely and reliable deployment. The new 5th generation,5G technology for cellular systems will probably start to come to fruition around 2020. The current status of the 5G technology for cellular systems is very much in the early development stages. Many companies are looking into the technologies that could be used to become part of the system. In addition to this, a numberof universities have set up 5G research units focused on developing the technologies for 5G. In addition, the standards bodies, particularly 3GPP are aware of the development but are not actively planing the 5G systems yet. Many of the technologies to be used for 5G will start to appear in the systems used for 4G and then as the new 5G cellular system starts to formulate in a more concrete manner, they will be incorporated into the new 5G cellular system. The major issue with 5G technology is that there is such an enormously wide variation in the requirements：super fast downloads to small data requirements for IoT than any one system will not be able to meet these needs. Accordingly a layer approach is likely to be adopted. As one commentator stated：5G is not just a mobile technology. It is ubiquitous access to high & low data rate services.]

Based on the paragraph above, at present, 5G technology for cellular systems( )

A:has matured B:has setup its standards C:is very much in the early development stages D:is in use

[ With the 4G telecommunications systems now starting to be deployed, people are looking towards the development of 5th generation or 5G technology services. Although the deployment of any wireless or cellular system take many years, development of the 5G technology systems is being investigated. The new 5G technologies will need to be chosen developed and perfected to enable timely and reliable deployment. The new 5th generation,5G technology for cellular systems will probably start to come to fruition around 2020. The current status of the 5G technology for cellular systems is very much in the early development stages. Many companies are looking into the technologies that could be used to become part of the system. In addition to this, a numberof universities have set up 5G research units focused on developing the technologies for 5G. In addition, the standards bodies, particularly 3GPP are aware of the development but are not actively planing the 5G systems yet. Many of the technologies to be used for 5G will start to appear in the systems used for 4G and then as the new 5G cellular system starts to formulate in a more concrete manner, they will be incorporated into the new 5G cellular system. The major issue with 5G technology is that there is such an enormously wide variation in the requirements：super fast downloads to small data requirements for IoT than any one system will not be able to meet these needs. Accordingly a layer approach is likely to be adopted. As one commentator stated：5G is not just a mobile technology. It is ubiquitous access to high & low data rate services.]

many of the technologies to be used for 5G ( ) in the systems used for 4G

A:is being developed B:already appeared C:will not appear D:will start to appear

[ With the 4G telecommunications systems now starting to be deployed, people are looking towards the development of 5th generation or 5G technology services. Although the deployment of any wireless or cellular system take many years, development of the 5G technology systems is being investigated. The new 5G technologies will need to be chosen developed and perfected to enable timely and reliable deployment. The new 5th generation,5G technology for cellular systems will probably start to come to fruition around 2020. The current status of the 5G technology for cellular systems is very much in the early development stages. Many companies are looking into the technologies that could be used to become part of the system. In addition to this, a numberof universities have set up 5G research units focused on developing the technologies for 5G. In addition, the standards bodies, particularly 3GPP are aware of the development but are not actively planing the 5G systems yet. Many of the technologies to be used for 5G will start to appear in the systems used for 4G and then as the new 5G cellular system starts to formulate in a more concrete manner, they will be incorporated into the new 5G cellular system. The major issue with 5G technology is that there is such an enormously wide variation in the requirements：super fast downloads to small data requirements for IoT than any one system will not be able to meet these needs. Accordingly a layer approach is likely to be adopted. As one commentator stated：5G is not just a mobile technology. It is ubiquitous access to high & low data rate services.]

the major issue facing with 5G technology is( ).

A:super fast downloads B:small data requirements for IoT C:4G system has already satisfied these needs D:an enormously wide variation in the requirements

5G网络空口目标峰值速率为 10Gbps（）

如果未来是低频高频站混合组网，接入环需要 140G，汇聚环需要 421G，请问核心 环带宽需要多少 G？而现网情况又是否足够支撑 5G空口带宽需求呢？

A:632G，不能 B:632G，能 C:600G，不能 D:600G，能

为降低空口时延，提升用户业务感知， 5G设计三方面优化降低时延来，这三方面优化 分别是？

A:空口帧结构设计 B:高性能运算 C:缩短空口调度时延 D:边缘计算