Table 2 Summary of IAQ monitoring systems based on WSN
From: A comprehensive review on indoor air quality monitoring systems for enhanced public health
Sr. No. | References | Year | Parameters Considered | Architecture | Communication Interface | MCU | Data Access | Remarks |
|---|---|---|---|---|---|---|---|---|
1. | Alhmiedat and Samara [32] | 2017 | CO2, benzene, NOx and ammonia | WSN | ZigBee | ATtiny85 microcontroller | Simulation environment | A sleep state algorithm and interface circuit used to minimize power consumption |
2. | Kim et al. [35] | 2014 | CO2, VOCs, SO2, NOx, CO, PM and O3 | WSN | ZigBee | Raspberry Pi | Web server and Mobile | Experiments conducted in three different settings: big church, medium size classroom and small size living room; Real-time monitoring alert |
3. | Yu and Lin [36] | 2015 | CO2, RH, temperature | WSN | ZigBee | Not available | Web Pages and Mobile App | Use of ARIMA Model for prediction, System provided 55% reduction to the sensor network energy consumption with Fuzzy Log-c based decision model |
4. | Abraham and Li [38] | 2014 | CO, VOC and CO2, O3, RH, temperature, | WSN | ZigBee module | Arduino Uno microcontroller | Web Server | Micro gas sensors were calibrated using least square estimation-based method |
5. | Bhattacharya et al. [41] | 2012 | RH, temperature, gaseous pollutants and PM | WSN | ZigBee module | ATmega1281 (Waspmote) | HVAC control application, SMS and email-based alerts can be generated on subscription. | Context-Aware Framework was designed to connect sensors with applications. |
6. | Ahn et al. [42] | 2017 | VOC, light quantity, RH, temperature, fine dust, CO2 | WSN | UART/I2C, ESP8266 Wi-Fi Module | ATmega328P | Linux Server | Comparative prediction models were designed using LSTM and GRU networks |
7. | Pitarma et al. [43] | 2016 | Luminosity, CO2, CO, RH and air temperature | WSN | ZigBee module | Arduino | Web portal | A dedicated web portal named as iAQ was designed using PHP to access system data |
8. | Benammar et al. [44] | 2018 | RH, ambient temperature, Cl2, O3, NO2, SO2, CO, CO2 | WSN | ZigBee Pro radio module | ATmega 1281 (Waspmote), Raspberry Pi2 for core gateway | Open-source IoT web server platform | – |
9. | Saad et al. [45] | 2013 | RH, temperature, PM and gaseous pollutants | WSN | AT86RF230 radio frequency front end IC for ZigBee standard | ATmega1281 low power MCU | Web InterfacThe s | Study was carried within the Lab environment. |
10. | Tiele et al. [46] | 2018 | Sound levels, illuminance, CO, CO2, total VOCs, PM10, PM2.5, RH and temperature | WSN | I2C/UART | Feather M0 | OLED Display, MicroSD Card | Made use of eNose for data collection, Custom low-cost sensor module was designed using Altium Designer |
11. | Arroyo et al. [50] | 2019 | Toluene, ethylbenzene, benzene, and xylene | WSN | ZigBee | Not available | Cloud server | Laboratoy based case study |