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In recent years, open-source automation systems have progressed fast, resulting in more dependable communication networks. Power lines have grown more popular as a transmission medium in recent years, owing to their ease of installation and cheap cost. They are used in the creation of industrial and residential projects. Power line communication (PLC) is a technique that employs power lines as the physical medium for data transfer. Because the infrastructure has already been constructed, PLC provides a solution that does not need the installation of additional cables. When delivering data at a high rate across a power line, PLC modems are used in a variety of settings such as a residence, an office, a building, and a factory, among others. Because of the added telemetry functions, the cost of the devices has increased, making them unaffordable for all hospitals and clinics to purchase. Because of this, we are developing temperature, blood pressure, and heart rate monitoring technology that uses power line transmission as its foundation. This is a cost-effective piece of technology that communicates using existing power connections. Transmission and reception of signals via a power line cable are accomplished through the use of a power line modem (PLM). With the use of direct-sequence spread spectrum (DSSS) technology, signals may be modulated and demodulated. When compared to other communication technologies such as local area network (LAN), ZigBee, and Bluetooth, the cost of establishing a healthcare monitor utilising Power Line Communication (PLC) was relatively inexpensive compared to other communication technologies.
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