What Are the Reasons for Choosing Nb-iot and What Are the Characteristics of Nb-iot

Why NB IOT?Nbiot is the leading Internet of things technology standard in China. Major operators have invested a lot of money in this standard, especially China Telecom, which has been in a leading position in the application of nbiot in China. Like EMTC, nbiot is an international standard, while the other two are private standards. The biggest difference between the two is the spectrum, which is the most valuable asset of the Internet of things connection standard. In short, owning a spectrum is equivalent to owning a legal parking lot. Lora is congenitally deficient, sigfox.Over the years, Huawei has been advocating for nbiot, and jointly launched the nbiot concept with international well-known enterprises such as Qualcomm and Vodafone in 2015. In addition to Huawei, too many operators also favor nbiot.

Because NB IOT is an operator network, different from Lora's network, it belongs to enterprise independent network. If the terminal wants to use NB IOT, it must use the operator's NB IOT network. In this case, of course, operators will actively promote NB IOT. In addition, the government also strongly supports the development of nbiot, and the state has issued more relevant policies to support nbiot. For example, on June 16, 2017, the Ministry of industry and information technology officially issued the notice on comprehensively promoting the construction and development of mobile Internet of things, which clearly put forward 14 measures, including comprehensively promoting the construction and development of nbiot, building 1.5 million nbiot base stations and developing more than 600 million nbiot connections by 2020.

With the support of the government, some operators are active in the layout, while Huawei is shouting. NB IOT is difficult in China.Advantages of nbiot. At present, the standards have been frozen and China has entered the stage of large-scale commercial use. NB IOT has four characteristics: large coverage, low power consumption, large connection and low cost.First, the impact on society. NB IOT at the cost of lower power consumption. Using the simplified protocol and more suitable design, the standby time of the terminal is greatly improved. It is said that the standby time of some NB terminals can reach 10 years.

Second, signal coverage. NB IOT has good coverage capacity (gain 20dB), and even if it is buried under the well cover, it will not affect the signal reception.Third, the number of connections. Each unit can support 50000 terminals. It is conceivable that even Hengshui middle school, known as the college entrance examination factory, does not have more than 20000 people.Fourth, the cost. NB IOT is a highlight. The cost of communication modules is very low. Each module is expected to be priced at $5 or lower, which is conducive to large-scale procurement and use. From Moore's law, the cost can be reduced to less than $1 as long as it does not exceed 40 months.

However, due to the current maturity of the industry, the influence of nbiot has not really emerged. Many IOT products only consider how to add nbiot after design, and truly revolutionary technologies will take it into account from the beginning of product design. Therefore, Nb IOT is still in the dark stage before dawn. Although many people know that this technology has unlimited prospects, it can not immediately bring huge profits to practitioners in this field. In short, Nb IOT is a technology infrastructure that requires enough patience.For many Internet of things practitioners, on the one hand, network IOT needs continuous attention, especially when some key features appear; On the other hand, there is no need to have illusions about the network IOT, because the network serves automation and customization. If there is a corresponding demand, it can be used if the cost is appropriate. If it is not appropriate, it is not impossible.fqj