Low Power Wide Area Network (LPWAN for short), that is, low-power wide-area network, is mainly used for communication between devices. This communication technology has the characteristics of wide network coverage and low terminal power consumption. It is more suitable for Large-scale IoT application deployment, specifically including NB-IoT, LoRa, Sigfox, and eMTC, among which NB-IoT and LoRa have been widely sought after in recent years.
4 Technologies Learn How LPWAN Enables Communication Between IoT Devices
NB-IoT is not only a member of LPWAN, but also a member of 5G.
5G As a big parent, there are three brothers in the family: LTE (authorized channel), LTE-U (unauthorized channel), and NB-IoT (authorized channel). Just like the three brothers and sisters of the Gao family in “Hurricane”. As the three brothers of the 5G family, everyone has their own strengths and weaknesses.
What do we want to achieve in the 5G era?
The fourth year of 5G commercial use, it can be said that 5G has already entered our lives. Now we are, after all, people who have seen the “big world”. They have all seen the big brother in the hands of their parents who can only make phone calls. People who have passed through this era can also be said to be true witnesses of 1G-4G.
The communication era from 1G to 4G exists for the purpose of serving “people-to-people” communication. The main communication requirements of 5G have undergone subversive changes. The purpose of communication is to serve between “people and things” and “things and things”. The long-standing “Internet of Things” finally has a substantive and perfect landing method. We can reasonably expect that in the near future, not only your mobile phone, computer, vr, and other things will be able to access the Internet, but also your glasses, TV, door locks, air conditioners, drinking fountains, trash cans, toilets, and flower pots will be able to access the Internet. Driverless cars can also be seen. Not only can it make our life more convenient and technological. It can also be used in industry and agriculture to change the existing industrial and agricultural pattern.
NB-IoT, Narrow Band Internet of Things, is a cellular network connection technology specially designed for the “Internet of Everything”, an important branch of the Internet of Things. As the name implies, the bandwidth occupied by NB-IoT is very narrow, only about 180KHz, and using the license frequency band, it can be deployed in three ways: in-band, guard band or independent carrier, coexisting with the existing network, and can be directly deployed on GSM, UMTS or LTE network, that is, 2/3/4G network, realizes reuse of existing network, reduces deployment cost, and realizes smooth upgrade
As the network with the largest coverage in the world, the mobile network has unique access capabilities. The prospect of NB-IoT connection technology based on the cellular network is even more optimistic. It has gradually been used as the key to open the era of Internet of Everything, and has been commercialized in the Internet of Things industry. .