IoT Gateways

In the field of digital health, IoT gateways can be classified from different perspectives

IoT Gateways

Classification by network connection type of IoT gateways

• Wired gateway

For example, Ethernet gateway can provide stable and high-speed connection, which is suitable for networking medical and digital health equipment in fixed places such as hospitals, institutions, communities, and homes. For example, large imaging equipment can transmit diagnostic data to medical information systems through Ethernet gateways.

• Wireless gateway

Including Wi-Fi gateway, Bluetooth gateway, Zigbee gateway, etc.

Wi-Fi gateway facilitates various health monitoring devices that support Wi-Fi (such as smart weight scales, smart bracelets, etc.) to access the network;

Bluetooth gateway can be used to connect to short-range low-power Bluetooth health devices. For example, Bluetooth gateway can be used to collect data from Bluetooth heart rate monitoring devices worn by patients in hospital wards;

Zigbee gateway is suitable for sensor networks connected to Zigbee protocol, such as environmental sensors (temperature and humidity sensors, etc.) used to monitor ward environment, and these data are meaningful for patients’ rehabilitation environment assessment.

• Cassification by functional use of IoT gateways

• Data acquisition gateway

Mainly responsible for collecting data from various health monitoring devices, such as blood pressure monitors, blood glucose meters, electrocardiographs and other devices, and then sending these data to the upper system for analysis in a unified format.

• Protocol conversion gateway

In digital health scenarios, different medical devices may use different communication protocols. The protocol conversion gateway can convert multiple protocols (such as medical device-specific protocols, general IoT protocols, etc.) into a unified protocol that can be recognized by hospital information systems or cloud platforms to achieve interoperability between devices.

• Edge computing gateway

Preliminary processing of the collected health data locally, such as real-time analysis of continuous heart rate data to determine whether there is an abnormal heart rate. If there is an abnormality, an alarm can be issued immediately to reduce the amount of data transmission and the computing pressure on the back-end system, while improving the response speed.

The following is the general process of connecting these devices to the SaaS platform through the gateway

Processes of use IoT gateways for docking devices to SaaS

• Device compatibility check

Confirm the communication protocol types supported by hardware devices such as gateway devices, sensors, monitors, detectors, alarms, etc., such as Zigbee, Bluetooth, Wi-Fi, LoRa, RS485, etc., and ensure that they are compatible or convertible with the protocols required by the target SaaS platform. At the same time, check whether the working parameters and data formats of the equipment meet the requirements of subsequent processing.

• Gateway configuration

Initialize the settings of the gateway device, including connecting to the local network (if it is a wired or Wi-Fi connection), configuring the gateway network parameters, and ensuring that it can communicate normally with the Internet.

Set data collection rules in the gateway, specify the frequency of data collection from each sensor, monitor and other equipment, and the specific data type collected (such as temperature value, pressure value, status information, etc.).

Configure the corresponding protocol parsing module in the gateway according to the communication protocol used by the device, so that the gateway can understand and process signals from different devices.

• Communication protocol conversion (if necessary)

If the communication protocol used by the device is different from the protocol supported by the SaaS platform, set the protocol conversion function in the gateway. For example, if the device uses HTTP protocol, and the SaaS platform only supports MQTT protocol communication, the gateway needs to convert HTTP data into a format that can be transmitted through MQTT (such as JSON, etc.).

• Data preprocessing (optional)

The collected data can be preprocessed in the gateway, such as data calibration, filtering and denoising. For some abnormal data points, preliminary judgment and marking can be made at the gateway to prevent erroneous data from being transmitted to the SaaS platform.

• Security settings

Configure the security mechanism for communication between the gateway and the SaaS platform, such as setting encryption algorithms (such as SSL/TLS protocols) to ensure the confidentiality, integrity and authentication of data transmission. Assign access keys or certificates to ensure that only authorized gateway devices can send data to the SaaS platform.

• Interconnection with the SaaS platform

On the SaaS platform side, create a corresponding device access interface or account to receive data from the gateway. Register the gateway device on the SaaS platform and associate its device information (such as device ID, type, location, etc.).

Test the communication connection between the gateway and the SaaS platform, send test data from the gateway to the SaaS platform, and check whether the SaaS platform can correctly receive, parse and store data. Adjust the configuration according to the test results until the data transmission is stable and accurate.

• IoT Gateways Customization

With many years of professional design and manufacturing experience in the field of IoT, we have successfully built a comprehensive product line that can meet the needs of key application scenarios such as smart home, smart building, smart retail and industrial IoT.

We provide customers with flexible light OEM customization services to quickly realize the personalized customization and fast delivery of smart gateway products.

In addition, if there is no existing products atfer your checking of SHOP pages, or all of these products cannot fully meet the specific needs of customers, , we are willing to work closely with customers to carry out ODM & OEM, customized development from your scratch, providing one-stop services from concept design to final production to ensure that the customized needs of customers are met. You can visit Hiedesign and AIoTHealth to get much more details.