Five characteristics of 5G: 1. High speed; Compared with 4G network, 5G network has higher speed. 2. Ubiquitous network; Ubiquitous network has two levels of meaning, one is broad coverage, and the other is deep coverage. 3. Low power consumption. 4. Low latency; 5G’s minimum latency requirement is 1 millisecond, or even lower. 5. Everything is interconnected.
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Fifth generation mobile communication technology (English: 5th generation mobile networks or 5th generation wireless systems, 5th-Generation, referred to as 5G or 5G technology) is the latest generation of cellular mobile communication technology, following 4G (LTE-A, WiMax), 3G (UMTS, LTE) and 2G (GSM) systems extend. The performance goals of 5G are high data rates, reduced latency, energy savings, cost reduction, increased system capacity and large-scale device connectivity.
Five characteristics of 5G
1. High speed
This is the biggest feature of 5G One feature is that compared to 4G networks, 5G networks have higher speeds, and the peak requirement for 5G base stations is no less than 20Gb/s. Of course, this speed is the peak speed and is not the experience of every user. With the use of new technologies, there is room for improvement in this speed. It only takes 33 seconds to complete under the 5G network, and the rate per second reaches 726Mbps, while the download rate of the 4G LTE Cat.12 network is only 62.2Mbps, which takes 6 minutes and 25 seconds;
2. Ubiquitous Network
With the development of business, network services need to be all-encompassing and widespread. Only in this way can we support richer services and be used in complex scenarios;
The ubiquitous network has two levels of meaning. One is broad coverage and the other is deep coverage.
Widely refers to the need for wide coverage in all places where our society lives. In the past, high mountains and valleys did not necessarily need network coverage because there were very few people living there. However, if 5G can be covered, a large number of sensors can be deployed to conduct environmental monitoring. , air quality and even landform changes, earthquake monitoring, which is very valuable. 5G can provide networks for more such applications;
Depth refers to the fact that in our lives, although there are already network deployments, higher quality in-depth coverage is needed. We already have a 4G network at home today, but the network quality in the bathroom at home may not be very good, and there is basically no signal in the underground parking garage. It is now acceptable. With the arrival of 5G, bathrooms, underground parking garages, etc. that used to have poor network quality can be widely covered with good 5G networks;
3. Low power consumption
5G must have power consumption requirements to support large-scale IoT applications. 5G can reduce power consumption and allow most IoT products to be charged once a week, or even once a month, which can greatly improve user experience and promote the rapid popularization of IoT products;
4. Low latency
A new scenario of 5G is the highly reliable connection of driverless and industrial automation. For information exchange between people, a delay of 140 milliseconds is acceptable, but if this delay is used for driverless driving and industrial automation, it is unacceptable. The minimum requirement for 5G latency is 1 millisecond, or even lower. This places stringent requirements on the network. 5G is an inevitable requirement for applications in these new fields;
Unmanned vehicles require interconnection between the central control center and the vehicle, and between vehicles. In high-speed operations, a brake , information needs to be sent to the car instantly to react. In about 100 milliseconds, the car will rush dozens of meters. This requires information to be sent to the car in the shortest delay for braking and car braking. Control response;
5. Internet of Everything
Entering the intelligent era, in addition to mobile phones and computers and other Internet devices that need to use the Internet, more and more smart home appliances and devices can More different types of devices such as wearable devices, shared cars, and public facilities such as lights need to be connected to the Internet. After being connected to the Internet, real-time management and intelligent related functions can be achieved, and the interconnectivity of 5G also makes it possible for these devices to become smart devices. ;
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UPF是指“用户平面功能”,是3GPP 5G核心网系统架构的重要组成部分,主要负责5G核心网中用户平面数据包的路由和转发相关功能;UPF在5G的边缘计算和网络切片技术中发挥着低延迟和大带宽的重要作用。

5g下载速度是128mb/秒即1Gbps,这意味着在5g网络中,下载1g的文件只需10秒;5G WiFi的入门级速度是433Mbps,这至少是现在WiFi速率的三倍,一些高性能的5G WiFi还能达到1Gbps以上。

2.4g和5g不建议合并;因为双频合一有利有弊,部分手机可能连接双频合一的wifi比较困难;对于一般的无线路由器如果没有弱信号剔除功能,那么开启双频合一后手机可能一直连着2.4G频段,根本不会切换到速率更快的2.4G频段,除非手动开关WIFI,因此建议分开设置。

5g手机从网络类型可以看出来是nsa和sa。操作方法:1、打开手机设置,点击“双卡与移动网络”;2、进入“双卡与移动网络”后,点击“高级设置”;3、在“高级设置”界面,找到“5G网络类型”即可查看。

iPhone11没有5g网络,iPhone11最高仅支持4G移动网络,网络制式覆盖FDD-LTE和TD-LTE等主流频段;iPhone11采用A13仿生芯片,内置GPS/GNSS,搭载两个1200万像素超广角及广角摄像头,有128G、256G可选 。

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iQOO Z5是5g手机。iQOO Z5支持双模5G,支持双卡双待;但需要注意,不支持双卡同时进行5G连接,当主卡5G网络时,副卡仅支持4G网络。iQOO Z5支持多个5G频段,包括:NSA n41/n77/n78、SA n1/n28A/n41/n77/n78,实际情况取决于运营商网络布局情况。

5g的三个特性是:1、高速率;在实际应用中,5G网络的速率是4G网络10倍以上。2、低时延;5G网络的时延大约几十毫秒,比人的反应速度还要快。3、广连接;5G网络出现,配合其他技术,将会打造一个全新的万物互联景象。

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