The fifth generation mobile phone mobile communication standard, also known as the fifth generation mobile communication technology, foreign language abbreviation: 5G. It is also an extension after 4G, and is under research, with a network speed of 5M/S - 6M/S. Nokia partnered with Canadian operator Bell Canada to complete the testing of Canada's first 5G network technology. The test used a spectrum in the 73 GHz range, which is six times faster than the existing 4G network in Canada. In view of the cooperation between the two, it is very likely that Canada will launch a full deployment of 5G networks within five years. Due to the rapid development of the Internet of Things, especially the Internet and other industries, it has higher requirements for network speed, which is undoubtedly an important factor driving the development of 5G networks. Therefore, both the Canadian government and the rest of the world are vigorously promoting the 5G network to meet the next wave of technology. However, from the current situation, it is estimated that 5G network will be 4 to 5 years away from commercial use.
When will 5G be fully popular?According to the 5G planning timetable set by the current 3GPP, the 5G first-stage specification will be completed in 2018, and the large-scale pre-commercial deployment of 5G NR will be realized in 2019, and commercialization will be realized in 2020. It is foreseeable that the arrival of 5G will also have a great impact on the communications industry.
On the one hand, thanks to the enhanced technology in LTE-A and LTE-A Pro, it has laid a good foundation for the promotion of 5G systems; on the other hand, including Qualcomm, AT&T, NTT DOCOMO, SK Telecom, Vodafone, Ericsson, etc. The company is committed to accelerating the 5G program and identifying detailed standards for non-independent (NSA) 5G NRs at 3GPP meetings. It is for this reason that the 5G NR program, which was originally planned to begin large-scale pre-commercial deployment in 2020, was advanced to 2019.
In order to welcome the arrival of 5G networks, Qualcomm also launched the X50 Modem supporting 5G networks as early as 2016. In the face of the future, Qualcomm has laid the foundation.
For the communications industry, whether it is 3G or 4G, it is a communication network for personal services, and the changes brought about by 5G networks will spread to a wider range of civilian and commercial areas. This is not only an opportunity but also a challenge for the communications industry.
One of the features of 5G is its high flexibility, which enables the use of multiple spectrums to serve devices of different needs. Coupled with the high coverage and stability that 5G will have in the future, 5G networks will bring changes to more industries.
In addition to speeding up personal wireless communication services, 5G will include indoor/outdoor wireless broadband deployment, enterprise team training/collaboration, VR/AR, asset and logistics tracking, smart agriculture, remote monitoring, autonomous vehicles, drones, and industrial And 21 areas such as power automation have an impact. (IHS Markit, How 5G Affects the Economy)
In order to ensure that 5G networks can penetrate into various industries, 5G service providers need to have an in-depth understanding of the different industries and needs and application scenarios they are dealing with. For example, some industries require equipment with a life span of more than 10 years, while others may require a dedicated network band. These companies are more likely to succeed if they understand the features and capabilities of 5G itself and provide the appropriate network connectivity and quality resources for different needs.
What problems will you encounter on the road to developing 5G? How will these problems be solved?There are too many “discussions†that 5G has not yet begun to offer, and there are always many risks. Because the expected goals are vague and continually changing, it is very likely that the entire project will fail at the beginning; sometimes, it will be better to wait and see. Undoubtedly, the next-generation wireless standard, 5G, is coming soon. Various technical committees are working on many issues related to this complex, far-reaching and multifaceted standard, including band definitions, operational algorithms, multi-antenna patterns, data rates, error management, complex frequencies, time and space multiplexes, And many aspects of the test suite and equipment.
Of course, there must be many new electronic components in order to make the various performances expected and needed possible. 5G will support carrier frequencies in the 60+ GHz range, so there is still much work to be done to convert the standard to support the user's actual situation. No matter when this happens, it is quite shocking to see how the millimeter wave (mmWave) system is considered a candidate for mainstream applications. Not to mention the use of waveguides and other interfering waves in the microwave world: 5G will require a new analog/mixed-signal IC (even if the signal itself is digital, but everything at these frequencies is still "analog"), packaging technology Antennas, infrastructure, topologies, passive components, interconnects, process technology, modeling and simulation tools, and more.
The development of 5G has been going well so far. However, there are also shortcomings in the future promise of 5G. Just like the development of many advanced technologies, its performance specifications are set by standards established by different committees, and 5G has become a whirlpool of hopeful ideas and wish lists. Industry professionals, experts and observers have put all their wishes into this standard, but some of them can be fulfilled, others are not shown in Figure 2.
In any case, 5G supporters and promoters hold great hopes, but this is always quite risky. The timetable for product launches is too long, meaning there will be periods of uncertainty, incompatibility, and frustration for users.
For example, a mobile phone may be used in some places, but there may be problems elsewhere, the data rate will not reach the promised speed, and conflict incompatibility will occur frequently. In general, these problems do not affect me; after all, the pain of this growth is only part of the journey of technological progress. But I am worried that many of the promises made by telecom operators and smart phone suppliers will far exceed actual performance, leading to another round of criticism that "engineers have promised us but have not achieved it." Just like late night talk show hosts and comedians, if there is less political "humor" and ironic comments, it will undoubtedly be a "failure."
This is not a recent situation, but as the technology community begins to focus on preparing for the golden age, this situation is getting worse. There are even many products that face this ridicule in the early stages of deployment. For example, when the Boeing 787 Dreamliner caused serious problems caused by a large lithium-ion battery assembly failure, the names of these late-night talk shows made a big fuss about this problem.
I even heard some of them (in a humorous and serious tone) saying that Boeing should go to the local auto supply store to replace hundreds of car lead-acid batteries, then the problem can be solved... for me Most of these "jokes" only reflect the ignorance of the speaker. The fact is that they feel that they have a highly advanced technology that can work perfectly from the beginning. They don't understand the underlying problems of potential problems, unknowns, tradeoffs, and conflict performance characteristics. In short, this is a joke in the elimination of engineers.
Just to give a smile, let the host get applause, and let the engineers who really create things have to be treated again rudely. That's why I think there is a lot of risk of having a "discussion" for things like 5G that haven't started offering yet. Because of the vague and changing expectations – often very optimistic, the whole plan may seem like a failure at first, or even reflected in its supporters.
Sometimes, wait quietly until after further product launch, testing, evaluation and release cycles. However, the early market appeal and marketing promotion, as well as the opportunity to make commitments and forecasts are very strong. This is a glory that is hard to suppress. The bad thing is that once the development of things can't meet the promise of marketing, there will be unexpected consequences such as blaming engineers for even ridicule. Have you ever wanted your company's "team" not to promote a new product too early? Because you are worried that premature marketing activities can lead to user confusion, frustration, and even anger?
How 5G works:In fact, 5G is a popular name, the official name is mobile communication system IMT-2020.
For 5G network speed, many people will think of 3G and 4G network speed. As we all know, the current 3G and 4G network speeds are deeply constrained by broadband resources, and many people are worried about 5G networks. However, it turns out that 5G networks will not repeat the same mistakes. The speedup of 5G networks is mainly based on advances in wireless transmission and reception technologies that improve radio signals, thereby increasing efficiency. In other words, 5G technology is a new technology different from 3G and 4G. This new technology can be called a "new wireless access protocol."
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