what is physical cell id

Physical Cell ID (PCI) in telecom refers to a unique identifier assigned to each cell within a mobile network. In the UK market, PCI plays a crucial role in ensuring efficient communication between mobile devices and base stations. By assigning a distinct PCI to each cell, telecom operators can mitigate interference issues and optimize network performance. This helps in improving the overall quality of service for mobile users, ensuring seamless connectivity and better user experience. In essence, PCI is a fundamental element in the architecture of mobile networks, enabling efficient communication and data transmission across the telecom landscape.