Table 1.

Comparison of this survey with existing related survey papers.

Year	Reference	Taxonomy	Sensors	IoT	Artificial Intelligence	Blockchain	Covered Year
2015	Islam, Kwak, Kabir, Hossain and Kwak [65]	No	No	Yes	No	No	Not stated
2015	Li, Lu and McDonald-Maier [66]	No	Yes	No	No	No	Not stated
2015	Yang, Li, Mulder, Wang, Chen, Wu, Wang and Pan [67]	No	Yes	No	No	No	Not stated
2015	Wahaishi, Samani and Ghenniwa [68]	No	No	Yes	No	No	Not stated
2016	Yeole and Kalbande [63]	No	No	Yes	No	No	Not stated
2016	Yuehong, Zeng, Chen and Fan [56]	No	No	Yes	No	No	Not stated
2016	Capraro [57]	No	No	Yes	Yes	No	Not stated
2016	Azzawi, Hassan and Bakar [58]	No	No	Yes	Yes	No	Not stated
2016	Sakr and Elgammal [59]	No	No	No	Yes	No	Not stated
2016	Romero, Chatterjee and Armentano [61]	No	Yes	Yes	Yes	No	Not stated
2016	Mathew and Pillai [62]	No	No	No	Yes	No	Not stated
2016	Dimitrievski, Zdravevski, Lameski and Trajkovik [64]	No	No	Yes	No	No	Not stated
2016	Hossain and Muhammad [60]	No	No	Yes	No	No	Not stated
2017	Sethi and Sarangi [53]	Yes	No	Yes	No	No	Not Stated
2017	Qi, Yang, Min, Amft, Dong and Xu [54]	No	Yes	Yes	Yes	No	Not Stated
2017	Farahani, Firouzi, Chang, Badaroglu, Constant and Mankodiya [51]	No	No	Yes	No	No	Not Stated
2017	Darwish, Hassanien, Elhoseny, Sangaiah and Muhammad [52]	No	No	Yes	No	No	Not Stated
2017	Tokognon, Gao, Tian and Yan [55]	No	No	Yes	No	No	Not Stated
2018	Cui, Yang, Chen, Ming, Lu and Qin [46]	No	No	Yes	Yes	No	Not Stated
2018	Alam, Malik, Khan, Pardy, Kuusik and Le Moullec [47]	No	No	Yes	No	No	Not Stated
2018	Sharma and Singh [48]	No	No	Yes	Yes	No	Not Stated
2018	Babu and Shantharajah [49]	No	No	Yes	Yes	No	Not Stated
2018	Sughasiny and Rajeshwari [50]	No	No	No	Yes	No	Not Stated
2019	Mutlag, Abd Ghani, Arunkumar, Mohammed and Mohd [43]	Yes	No	Yes	No	No	2007–2017
2019	Habibzadeh, Dinesh, Shishvan, Boggio-Dandry, Sharma and Soyata [42]	No	Yes	Yes	No	No	Not Stated
2019	Dang, Piran, Han, Min and Moon [45]	No	No	Yes	No	No	2015–2019
2019	Dhanvijay and Patil [41]	No	No	Yes	No	No	Not Stated
2019	Ray, Dash and De [44]	Yes	No	Yes	No	No	Not Stated
2020	Santos, Munoz, Olivares, Rebouças Filho, Del Ser and de Albuquerque [38]	No	No	Yes	Yes	No	2015–2028
2020	Amin and Hossain [39]	Yes	No	Yes	Yes	Yes	Not Stated
2020	Alshehri and Muhammad [40]	Yes	No	Yes	Yes	No	2014–2020
2020	Qadri, Nauman, Zikria, Vasilakos and Kim [34]	No	No	Yes	Yes	Yes	Not Stated
2020	Karthick and Pankajavalli [37]	Yes	Yes	Yes	No	No	Not Stated
2020	Al-Dhief, Latiff, Malik, Salim, Baki, Albadr and Mohammed [35]	No	No	Yes	Yes	No	Not Stated
2020	Qayyum, Qadir, Bilal and Al-Fuqaha [36]	No	No	No	Yes	No	Not Stated
2021	Krishnamoorthy, Dua and Gupta [30]	Yes	No	Yes	No	No	Not Stated
2021	Li, Chai, Khan, Jan, Verma, Menon and Li [31]	Yes	No	Yes	Yes	No	2016–2020
2021	Sworna, Islam, Shatabda and Islam [21]	Yes	Yes	Yes	Yes	No	Not Stated
2021	Tunc, Gures and Shayea [32]	No	No	Yes	Yes	Yes	Not Stated
2021	Nahavandi, Alizadehsani, Khosravi and Acharya [33]	No	Yes	No	Yes	No	Not Stated
2022	Kamruzzaman, Alrashdi and Alqazzaz [26]	No	No	Yes	Yes	No	2016–2021
2022	Yang, Wang, Jiang, Guo, Cheng and Chen [27]	No	No	Yes	No	No	Not Stated
2022	Karatas, Eriskin, Deveci, Pamucar and Garg [28]	No	No	No	Yes	No	Not Stated
2022	Alshamrani [29]	No	No	Yes	Yes	No	Not Stated
2022	This study	Yes	Yes	Yes	Yes	Yes	2015–2022