Every year, many people, due to traffic rules’ negligence, become victims of road accidents and lose their lives. No matter which mode of transport they are from, even the ones on foot are not safe. Often there is a delay in response of EMS (Emergency Medical System), Ambulance and thus delay in treatment. This delay can cause the patients to lose their life [1]. The emergence of IoT has led to an evolution in EMS that makes our global society more streamlined and fecund. Thus, appending ambulance (EMS) with IoT makes it a smart ambulance. The bleeding person’s health state could be collected and communicated to the nearby hospital on the Internet. Thus, the doctors would know the victims’ physical condition before they arrive at the hospital itself. Shortly, the hospital’s arrangements could be made based on the patient’s health condition by detecting the parameters, like heart rate, respiratory rate, temperature, etc.

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In modern wireless communication, microwave system performance can be degraded because interference can occur due to the signals from other existing wireless communication networks. The 802.11a WLAN in-band signal, which occupies the 5-6 GHz range and 802.11b WLAN system signals covering the 2.4-2.48 GHz frequency band, is currently the main interference.