## 9 Future Work
Available online: [[https://www.anacom.pt/render.jsp?categoryId=414983](https://www.anacom.pt/render.jsp?categoryId=414983)]([https://www.anacom.pt/render.jsp?categoryId=414983](https://www.anacom.pt/render.jsp?categoryId=414983)) (accessed on 9 November 2020). * ANACOM (2020) ANACOM. Tecnicas Inovadoras de Partilha do Espectro. Available online: [[https://www.anacom.pt/render.jsp?categoryId=387636](https://www.anacom.pt/render.jsp?categoryId=387636)]([https://www.anacom.pt/render.jsp?categoryId=387636](https://www.anacom.pt/render.jsp?categoryId=387636)) (accessed on 10 September 2020). * [PERSON] et al. (2019) [PERSON]; [PERSON]; [PERSON]; [PERSON] A comparative study of LPWAN technologies for large-scale IoT deployment. _ICT Express_**2019**, \(5\), 1-7. [CrossRef]
* [PERSON] and [PERSON] (2020) [PERSON]; [PERSON], N.C. Surveillance of SigFox technology integrated with environmental monitoring. In Proceedings of the 2020 International Conference on Development and Application Systems (DAS), Suceava, Romania, 21-23 May 2020; pp. 69-72. * [PERSON] et al. (2016) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Demystifying low-power wide-area communications for city IoT applications. In _Proceedings of the Tenth ACM International Workshop on Wireless Network Testbeds, Experimental Evaluation, and Characterization--WiNTECH'16_; ACM Press: New York, NY, USA, 2016; pp. 2-8. * [PERSON] and [PERSON] (2018) [PERSON]; [PERSON] [PERSON] a Smart Monitoring System for Campus Using Zigbee Wireless Sensor Networks. _Int. J. Softw. Eng. Comput. Syst._**2018**, \(4\), 1-14. [CrossRef]
* MatLog Xbee (2020) MatLog Xbee 868 LP--Low Power Consumption. Available online: [[https://www.matlog.fr/products/modules-xbee-serie-8-868](https://www.matlog.fr/products/modules-xbee-serie-8-868) mhz-low-power?lang=en]([https://www.matlog.fr/products/modules-xbee-serie-8-868](https://www.matlog.fr/products/modules-xbee-serie-8-868) mhz-low-power?lang=en) (accessed on 11 November 2020). * Telenor (2020) Telenor Connexion a Guide To Mobile lot: How To Choose Between Lte-M and Nb-Iot for Global Deployments. 2020. Available online: [[https://www.telenorconnexion.com/iot-insights/lte-m-vs-nb-iot-guide-differences](https://www.telenorconnexion.com/iot-insights/lte-m-vs-nb-iot-guide-differences)]([https://www.telenorconnexion.com/iot-insights/lte-m-vs-nb-iot-guide-differences](https://www.telenorconnexion.com/iot-insights/lte-m-vs-nb-iot-guide-differences)) (accessed on 11 November 2020). * _et al._ [2020]___._ _Oilimex NB-IOT Development Board with BC-66 Module._ _Available online:_ [[https://www.olimex.com/Products/IoT/NB-IoT/NB-IoT-BC66/](https://www.olimex.com/Products/IoT/NB-IoT/NB-IoT-BC66/)]([https://www.olimex.com/Products/IoT/NB-IoT/NB-IoT-BC66/](https://www.olimex.com/Products/IoT/NB-IoT/NB-IoT-BC66/)) _(accessed on 11 November 2020)._
* _[PERSON] et al. [2017]_ _[PERSON]; [PERSON]; [PERSON] [PERSON] Internet of Things for Smart Healthcare: Technologies, Challenges, and Opportunities._ IEEE Access **2017**_, 5, 26521-26544._ [CrossRef]__
* _[PERSON] et al. [2019]_ _[PERSON] [PERSON]; [PERSON]; [PERSON] IoT-Based Smart Edge for Global Health: Remote Monitoring With Severity Detection and Alerts Transmission._ IEEE Internet Things J. **2019**_, 6, 2449-2462._ [CrossRef]__
* _[PERSON] et al. [2019]_ _[PERSON]; [PERSON]; [PERSON]; [PERSON] Wireless Mesh Networking: An IoT-Oriented Perspective Survey on Relevant Technologies._ Futur. Internet **2019**_, 11, 99._ [CrossRef]__
* _[PERSON] et al. [2017]_ _[PERSON]; [PERSON] Internet of Things and LoRaTM Low-Power Wide-Area Networks: A survey._ _In Proceedings of the 2017 International Symposium on Signals, Circuits and Systems (ISSCS), Iasi, Romania, 13-14 July 2017; pp. 1-5._
* _ABIresearch for Visionaries LORAWAN AND NB-IOT: Competitors or Complementary.