Survey of the interference in several IOT technique
Roy, Moumita (2019)
Informaatioteknologian ja viestinnän tiedekunta - Faculty of Information Technology and Communication Sciences
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The main objective of this thesis is to study about several different IOT techniques like LoRa, BLE, NB-IOT, ZigBee and many other IOT techniques and to model the interference effect in one technique. Also, the goals included to add some analysis of several different environments, channels, and interference behavior. The thesis starts with a literature review about several IOT techniques and then NB-IOT is selected for interference studies. Then the thesis discusses about NB-IOT technology, giving an overview, signal, channel properties, and standardization. In the simulation part, firstly, a NB-IOT signal is generated without interference and then it is checked how it reacts in the presence of interference. it’s the performance metric is the Bit Error Rate (BER). Observations are made at several interference power values. Then, a mitigation technique is suggested and open issues of NB-IOT are discussed.