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LoRa Basics: Best Practices for LPWAN Technology Implementation

Entering 2022, IoT technology is becoming more and more popular in all walks of life. LPWAN technology (low-power wide area network, long-distance IoT wireless communication technology) relies on wide signal coverage, small occupied bandwidth, large number of terminal connections, and low power consumption. , low cost and other advantages, to win a high penetration rate in the global market.
Among the various LPWAN technologies worldwide, NB-IoT and LoRa are the two most widely used technologies. Among the unlicensed spectrum technologies, LoRa is in a dominant position. In addition to the characteristics of large network capacity, low power consumption, strong signal penetration, high-speed mobile signal stability, and positioning, the biggest advantage of LoRa is that the wireless radio frequency communication distance is longer under the same power consumption. LoRa can be widely used in industrial control, urban management, power grid inspection control, oil and gas pipeline monitoring, agricultural irrigation, environmental monitoring and other fields.

Although there are many LoRa applications in China, the existing LoRaWAN protocol cannot fully meet various needs in the market. Especially the "self-organized, safe and controllable" ecology promoted by LoRa in China has more and more requirements for the LoRa protocol. Even if LoRa has sufficient technical advantages to meet the requirements of self-organizing networks, domestic LoRa customers still have the following requirements in the market:
Simple architecture: do not want to use a web server;
Low cost: It is better to use terminal chips as gateways;
Support terminal communication mode D2D;
Support group control and group control;
Low latency and fast response;
Support downlink control and low power consumption;
greater network capacity;
And LoRa Basics is what LoRa came into being to solve these needs.
LoRa Basics is a software building block launched by Semtech Corporation based on the LoRaWAN protocol. LoRa Basics abstracts the commonly used LoRaWAN® functions that all developers of end devices, gateways or LoRaWAN-based solutions must implement, and provides a set of specification-compliant, free, supportable open source software suites. This set of building blocks represents best practices for LoRaWAN-based technology implementations. This allows developers to focus on developing their solutions while bringing applications to market faster and at a lower cost. LoRa Basics is fully compatible with the LoRa Alliance™ and enables developers and businesses to rapidly develop their applications.

At the software architecture level, LoRa Basics is basically the same as the LoRaWAN protocol:

In terms of device classification, there are some differences between LoRa Basics and LoRaWAN protocols:

The channel planning of LoRa Basics requires at least 3 different channels (the channels here refer to the combination of frequency points, BW, and SF of different configurations)

LoRa Basics supports P2P communication, two common control modes:
Control via gateway (LoRa Basics Station);
Directly control and inform the gateway (communication between Modem and Modem);
With the development of social intelligence and informatization, LoRa's existing technology has been unable to meet the ever-changing technological update needs. In order to meet the actual needs of customers, LoRa has derived two platforms based on LoRa Basics for customers to develop and use. .
LoRa Basics Station (gateway platform)
LoRa Basics Station is an implementation of a LoRa packet repeater. The LoRa packet repeater is a program that runs on the host of a LoRa based gateway (with or without GPS). It forwards RF packets received by the concentrator (uplink) to the LoRaWAN Network Server (LNS) over a secure IP link. It also transmits RF packets sent by the LNS (downlink) over the same secure IP to one or more devices. In addition, it can transmit beacon signals for time coordination devices within the network. These beacons can be GPS-synchronized transmissions across the network.
The relevant development platform is the SX1302 chip platform. Chengdu Ebyte provides E106 series modules developed based on SX1302:
470MHz frequency band: E106-470G27P2
868MHz frequency band: E106-868G27P2
915MHz frequency band: E106-915G27P2