Lorawan network

The LoRaWAN® specification is a Low Power, Wide Area (LPWA) networking protocol designed to wirelessly connect battery operated ‘things’ to the internet in regional, national or global networks, and targets key Internet of Things (IoT) requirements such as bi-directional communication, end-to-end security, mobility and localization services.

 

topology 

 

    • LoRaWAN® network architecture is deployed in a star-of-stars topology in which gateways relay messages between end-devices and a central network server. The gateways are connected to the network server via standard IP connections and act as a transparent bridge, simply converting RF packets to IP packets and vice versa. The wireless communication takes advantage of the Long Range characteristics of the LoRa physical layer, allowing a single-hop link between the end-device and one or many gateways. All modes are capable of bi-directional communication, and there is support for multicast addressing groups to make efficient use of spectrum during tasks such as Firmware Over-The-Air (FOTA) upgrades or other mass distribution messages.

       

    • The specification defines the device-to-infrastructure (LoRa®) physical layer parameters & (LoRaWAN®) protocol and so provides seamless interoperability between manufacturers, as demonstrated via the device certification program. While the specification defines the technical implementation, it does not define any commercial model or type of deployment (public, shared, private, enterprise) and so offers the industry the freedom to innovate and differentiate how it is used. The LoRaWAN® specification is developed and maintained by the LoRa Alliance®: an open association of collaborating members.

       

    • A typical LoRaWAN network consists of the following elements. 

       

    • Figure: A typical LoRaWAN network architecture

       

    • End Devices - sensors or actuators send LoRa modulated wireless messages to the gateways or receive messages wirelessly back from the gateways.

       

      Gateways - receive messages from end devices and forward them to the Network Server. Network Server - a piece of software running on a server that manages the entire network. Application servers - a piece of software running on a server that is responsible for securely processing application data. Join Server - a piece of software running on a server that processes join-request messages sent by end devices (The Join Server is not shown in the above figure).

       

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    • Advantages of LoRa WAN (challenges of LP-WAN)

       

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      • -> Long battery life for devices and sensors due to low power consumption
      • -> Low cost implementation due to low cost hardware and unlicensed spectrum Long range coverage and in-building penetration
      • -> Less complexity in programming
      • -> Offers a secure transmission network
      • -> Scalable network to support future upgrades
      • -> Ease of access and connectivity to the cloud applications
      • -> Remote management and control access
      • -> Highly intelligent architecture

       

    • Application and future of LoRa WAN technology

      Smart City: LoRa WAN will be inevitable technology in future smart city applications together with Internet of Things like:

      • -> Smart lighting
      • -> Air quality and pollution monitoring
      • -> Smart parking and vehicle management
      • -> Facilities and infrastructure management
      • -> Fire detection and management
      • -> Waste management

       

    • Industrial Applications: LoRa WAN is suitable for wide range of industrial applications.

      • -> Radiation and leak detection
      • -> Smart sensor technology
      • -> Item location and tracking
      • -> Shipping and transportation

       

    • Smart home applications: In future, billions of smart devices and home appliances will be connected to internet.

      • -> Enhanced home security
      • -> Home automation for IoT enables smart appliances

       

    • Healthcare: LoRa is one of the best solutions for connecting healthcare devices efficiently

      • -> Health monitoring devices and management
      • -> Wearable technology

       

    • Agriculture: LoRa technology can be used in smart agriculture and farming applications.

      • -> Smart farming and livestock management
      • -> Temperature and moisture monitoring
      • -> Water level sensors and irrigation control

       

    • MH Net aim to be global, national and regional networks to support billions or even trillions of devices. MH Net LoRa Network can play a significant role for providing a smart, low cost and highly efficient network for future applications.

       

How can MHNet help you?

Theoretically the coverage range of a LoRaWAN network using a 14 dBm transmitter is 800 km, assuming “free space” propagation. In reality however, the coverage range is much smaller due to imperfections in receivers/transmitters, a high location probability requirement (the placement of the receivers is often limited). Obstacles in terrain such as trees, buildings may also limit the coverage range of the system.

 

MHNet can be your partner in the network design phase of your project. We can help you with:

 

Setting up a planning guideline for your project, which defines all parameters. It will ensure a good function of your services and a consistency throughout the project implementation. Our experience in planning for LoRaWAN networks, we can design the network to achieve good quality of service at low cost. We can optimize networks in all types of environments, from rural areas to high rise city centres using advanced 3D propagation models.

 

Our application can be used to visualize the service area on a professional map service. As the network grows, we will update the application to reflect the service area at any time.

 

  • Resources

Presentation

HTTP,WS and MQTT for IoT

Common IoT Protocols

What is LoRaWan and how it works

 

LoRa Solutions

Design and Implementation of open LoRa for IoT

This smart irrigation applications system can automatically irrigate according to the region, season, soil moisture and plant growth cycle. Improving the irrigation water utilization from 40% to 85%, and at the same time saving labor expenditure compared to the traditional irrigation method. The system integrates modern irrigation technology, modern agriculture technology, Internet of Things, cloud platforms and large raw data to establish water saving integration model suitable for different types of irrigation areas. It is suitable for both medium and large sized irrigation areas such as golf courses, orchards and farmlands. LoRa has the advantages of large network capacity, flexible networking, strong scalability, long distance of communication(up to 8 km), low power consumption and low cost. It has unparalleled advantages in smart irrigation applications. The collected data is transmitted to intelligent cloud platform by the wireless network which is composed of Four-Faith wireless LORA module and LORA smart gateway. To realize the acquisition and analysis of data,remote control of solenoid valve and pump, combined with the support of expert decision-making system to achieve automatic or manual irrigation.

 

LoRa & Soil Temperature, Humidity Monitoring Applications

Through the detection and control of environmental temperature, humidity, pH, light intensity, soil nutrients, concentration of CO2 and other physical parameters, Agricultural Internet gains the best conditions for crop growth, increase the yield, improve quality, adjust the growth cycle and improve the economic efficiency. Low power MCU is responsible for collecting soil moisture and temperature, pH value, light, CO2 concentration and so on, after collecting will awake dormant sleep Four-Faith LoRa module, and the environment data will send to the LoRa gateway, the LoRa gateway will transmit to the local or remote server for farmland environmental management. As we all know, outdoor applications are generally battery powered (if able, users could also use a solar panel for charging). The Four-Faith ultra-low power LoRa module combines multi-level adjustable transmission power states, multi-level sleep modes, over the air wake ups and other power optimization technologies. These features enable it to operate in an ultra-low power consumption state while transmitting data over long distances, which is an obvious advantage over battery powered alternatives.

 

LoRa Water Meter Introduction

Typically, when a water meter manufacturer wants to use LoRa in their meters, they add a LoRa module to the existing solution. A point to consider and be careful about is power consumption during standby and sleep modes. This knowledge and technology requires the water meter manufacturers to invest a significant amount into Research & Development. Now, we have the Four-Faith LoRa water meter solution. The module itself handles real-time measurements, valve control, time division multiple access and over-the-air wake up functions. This saves the manufacturers from expanding their CPU to support these functions and also cuts down on their R&D efforts. Now, that there is no need for any specific meter manufacturer to develop this technology; you can rely on MH Net to do these things for you.

 

Let the Smart Digital City Run Smartly

In contemporary society, urban lighting has become a business card and window to show the charm of the smart digital city, because urban lighting is not only a science but a culture, an art. Urban street lighting is a beautiful landscape of the smart digital city. With the continuous development of smart digital city, urban street lights encountered many unexpected problems, such as: management issues, cost issues, electricity problems, the problem of cable theft and so on . Lighting automatic monitoring and management system will help realize the wisdom of control, not only can be flexible on / off lights, keep abreast of operating parameters, timely detection of faults, but also change the traditional artificial "Patrol Light" system to "on duty" system, greatly improving lighting System management efficiency. At the same time the system can automatically store and count the data collected, and it can query and print at any time, greatly improving the management level. It can also reduce energy consumption and increase Equipment life,and access to good economic benefits. Among the many problems of urban street lighting facing, energy saving is an urgent problem need to be solved. It not only involves reducing the funding of urban street lighting, but also involves the issue of electricity and energy, especially in the context of power shortage, through intelligent lighting control device, a reasonable adjustment of lighting time, not only can save lighting systems more than 20% Electricity, but also greatly extend the service life of lighting. LoRa technology is an emerging long-distance, low-rate wireless networking technology.It has been widely used in wireless network monitoring industry, and achieved good results..

 

You can get in touch with us through sales@mhnetsb.net or call us at +603-80717268 for our LoRa solutions