Dear Hamed Shahbazi Fard,

for the IoT-relevant publications, the journal "Sensors" is well suited:

Sensors — Open Access Journal

http://www.mdpi.com/journal/sensors

See also the list of journals A-Z:

http://www.mdpi.com/about/journals

See here:

Journal of Sensor and Actuator Networks

Best regards

Anatol Badach

As an additional answer, the following journals and databases can also be relevant when it comes to IoT:

1. Computer Networks Journal, International Journal of Information Management in Science Direct database

2. American Journal of Electrical and Electronic Engineering, Future Generation Computer Systems, and Nanotechnology Journals

3. Taylor & Francis and The ACM Digital Library databases