What is LoRa?

LoRa is a long-range wireless technology. It is designed to meet the requirements of IoT applications that function over a low-power wide-area network and use low power, battery operated devices to transfer data at a low bit rate over a long range.

What is LoRa?

The term LoRa refers to the spread spectrum modulation technique that has been specifically designed for long range IoT applications. LoRa is the physical layer that is required to establish communication.

LoRa devices are designed to meet the specific requirements of low-power wide-area network IoT applications, by providing the optimal level of service in terms of device battery life, network capacity and operating cost.

LoRa Devices

What is LoRaWAN?

LoRaWAN is the protocol that provides the ability to create networks of LoRa devices.

What is LoRaWAN?

A LoRaWAN uses a combination of radio waves and backhaul links to transfer data from IoT devices to an endpoint, such as a software application.

A LoRaWAN functions as follows:

  1. LoRa devices communicate with LoRa gateways using radio waves.
  2. LoRa gateways detect communications from LoRa devices.
  3. LoRa gateways forward data on to a user-friendly endpoint, such as a software application. Data is forwarded using backhaul links such as an Ethernet connection, Wi-Fi, cellular or satellite networks.

What Are the Benefits of LoRa?

LoRa is designed to address the increasing demand for low-cost, long-range IoT connectivity for low-power battery operated devices. It extends the operating life of connected devices, saving customers significant time and money when deploying IoT applications.

LoRa solves the traditional design compromise between range and energy consumption.

What Is the Difference Between LoRa and Other Technologies?

  Local Area Network LoRaWAN Cellular Network
Technologies Bluetooth
Ethernet
Wi-Fi
LoRa 3G
4G
Advantages Supports high-rate data transfer Supports long-range communication
Long battery life
Low device costs
Low usage costs
Supports high-rate data transfer
Disadvantages High total cost of ownership
Relies on a power source being available
High power consumption
Does not support high-rate data transfer High total cost of ownership
High power consumption

What Do I Need?

There are three core elements required to deploy a LoRa solution:

  1. LoRa devices, sensors or end-nodes.
  2. A LoRa gateway
  3. A LoRa network server

LoRa Devices
LoRa Devices

What is a LoRa Device?

LoRa devices are low-power, battery operated devices that transmit data over a long range.

LoRa devices can be one of the following types of device, which classify the device’s behaviour on the network:

  1. Class A: Bi-directional end-devices.
  2. Class B: Bi-directional end-devices with scheduled receive slots.
  3. Class C: Bi-directional end-devices with maximal receive slots.

What is a LoRa Gateway?

A LoRa gateway is a transceiver that acts as a bridge between LoRa devices and an Ethernet, cellular or satellite network.

What is a LoRa Gateway?

The function of a LoRa gateway is to relay data between LoRa devices and a central network server.

Communications between LoRa devices and gateways are spread across different frequency channels and data rates. The spread spectrum technology utilised by LoRa, maximises the capacity of gateways because communications with different data rates do not interfere with one another.

Since LoRa gateways are multi-channel, multi-modem transceivers, they are capable of simultaneously demodulating signals on multiple channel. In the correct circumstances, they can also simultaneously demodulate multiple signals on the same channel.

Since LoRa gateways are capable of simultaneously demodulating signals, a single LoRa gateway can potentially manage tens of thousands of LoRa devices.

LoRa Devices
LoRa Devices

What is a LoRaWAN Network Server?

A LoRaWAN Network Server is a central repository of information that controls access to a LoRaWAN and coordinates messages to and from each sensor.

What is a LoRaWAN Network Server?

A LoRaWAN network server is a central repository that controls access to a LoRa network and coordinates the transmission of messages to and from each sensor.

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