Mobiltelefonnät

Mobiltelefonnät, also known as cellular networks, are telecommunications networks that divide geographical areas into smaller regions called cells. Each cell is served by a low-power wireless communication base station, or cell site. Mobile devices, such as smartphones, communicate with these base stations to access the network. As a user moves from one cell to another, their device automatically switches to the nearest base station, a process called handover, ensuring continuous service.

These networks operate using radio waves and are organized in a hierarchical structure. The base stations are connected to a mobile switching center (MSC), which routes calls and data to other mobile devices or to the wider public switched telephone network (PSTN). Modern mobile phone networks are organized into generations, with each generation offering improvements in speed, capacity, and functionality. Examples include 2G (GSM), 3G (UMTS), 4G (LTE), and the current 5G standard.

The deployment and management of mobile phone networks involve significant infrastructure, including antennas, base stations, and core network equipment. The development of these networks has been crucial for the widespread adoption of mobile communication, enabling voice calls, text messaging, and high-speed internet access on portable devices. Network coverage varies by provider and geographical location, with denser populations typically having more robust service.