This article will tell you what is LoRa technology and LoRaWAN Applications. LoRa is a type of low-power wireless LAN standard. The lower the speed, the longer the transmission distance. Low power consumption is typically challenging to cover a distance since average distance power consumption is high. The most significant characteristic is that LoRaWAN under the condition of the same power consumption as other wireless spread farther; realizes the unity of the low power consumption and long distance and transmission rate is typically a few hundred to a few Kbps.
LoRa is a physical layer wireless encoding technique used to establish long-distance communication links. It is a member of the CCS (linear modulation spread spectrum technology) family and operates in the sub-1 GHz band. LoRa provides the advantages of robust anti-interference and considerably improves communication distance compared to conventional FSK and other techniques while keeping low power consumption. Furthermore, the diffusion factors regulated by LoRa are virtually orthogonal. This implies that signals concurrently sent to the same frequency band and modulated using various propagation factors do not collide with one another. Instead, the signs from different propagation parameters are little more than background noise.
Spread spectrum modulation, sometimes called Chirp modulation, is the basis for LoRa technology, which is Semtech’s solely owned intellectual property. This kind of technology, known as spread spectrum, trades sensitivity for bandwidth. Wi-Fi and ZigBee use spread spectrum technology and other systems; however, LoRa modulation is distinguished by attaining Shannon’s theorem’s limit and maximum enhancing sensitivity. At the same transmission rate, LoRa technology is 8–12dBm more sensitive than conventional FSK technology.
This is an open standard that creates media access control (MAC) at the data link layer and communication protocols based on LoRa chips for LPWAN technology. The LoRa Consortium is in charge of maintaining this protocol.
The LoRaWAN gateway transfers messages containing LoRa modulated RF data from the end device to the LoRaWAN network server.
The relationship between terminal devices and gateways is not one-to-one. All gateways are capable of receiving the terminal device’s uplink packets. On the other hand, several gateways in the same region may serve the same terminal device.
Wi-Fi or network cables may be used to link the LoRaWAN gateway to the network server.
The only function of the LoRaWAN gateway, which runs only at the physical layer, is to relay LoRa RF packets. It will carry out physical layer calibration after receiving the LoRa signal. If accurate, it will transmit specific data (timestamp, RSSI, SNR, etc.) through the uplink to the network server. The network server immediately passes the transmission request for the downlink.
Going back to our actual situation, which is based on LoRa characteristics, we list the five LoRa application possibilities as follows:
In the previous three years, at least one IoT-based assault has been seen by nearly 20% of enterprises. In 2021, the total cost of IoT security will be $3.1 billion.
A low-power wide-area networking protocol called LoRaWAN is created to wirelessly link battery-powered “things” in local, national, or international networks to the Internet. Security is a crucial component of the LoRaWAN network technology. For instance, its basic authentication and security structure is based on Annex B[IEEE802154] of IEEE802.15.4/2006’s implementation of the AES128 encryption technique. In comparison to single-key solutions, LoRaWAN is more secure since it uses separate keys for encrypting and authenticating user data and maintaining network integrity.
Many companies with international markets rely on fleets of vehicles, including trucks, automobiles, ships, and airplanes. Businesses may get the data they need to make wise cost-saving choices using IoT fleet monitoring. Route planning, geo-vehicle tracking, and predictive maintenance updates from embedded sensors may help with effective fuel management by allowing planned maintenance and minimizing downtime. Because of its low energy consumption and long battery life, embedded sensors may be installed in the whole fleet in less than a day and are easy to maintain.
Only 3% of the water on earth can be accessed as fresh water, and the agriculture sector uses 70% of it. IoT solutions are essential for giving farmers the knowledge they need to decide how to utilize the resources at their disposal efficiently. Farmers may lower the risk of crop mortality due to overirrigation or dryness using a LoRa-based deployment with smart irrigation.
There are several details that an owner must keep track of—temperature, lighting, water use, etc. IoT technologies may make managing utilities easier in the age of connectivity, making them readily available to owners no matter where they are on the network. Applications for smart homes that use LoRa include thermostats, sprinklers, doors, locks, and power outlets. LoRa-based thermostats can check a home’s temperature and make adjustments as necessary throughout the day, just as smart refrigerators can. Applications for smart irrigation may keep track of when and how long sprinkler systems should be on. The capacity to manage numerous utilities and save energy is made available to homeowners and property managers via these programs, which are all easily accessible from mobile devices.
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