4G mobile communications standard

4G stands for the fourth generation of the global mobile communications standard. It is also referred to as IMT-Advanced (International Mobile Telecommunications-Advanced) or LTE-Advanced (Long Term Evolution-Advanced). It is particularly popularly known as LTE.‍

Minimum requirements for 4G

  • High-speed data transmission
  • Download rates of up to 1,000 megabits per second
  • Latency of around 10 milliseconds
  • Backwards compatibility with older standards such as UMTS or HDSPA

These features enable HDTV streaming, real-time audio, video telephony and online gaming at home and on the move. However, the very high data rates are not usually achieved in practice.

Technical progress

As a direct successor, 4G is based on the technologies already used for 3G, but uses new variable bandwidths to enable higher data speeds.

The 4G standard utilises the frequency bands in the range from 800 to 2,600 megahertz. Each of these frequencies has different ranges and speeds. As a result, users do not have to sacrifice data transfer rates and 4G can also be used in heavily frequented areas without any problems. Network coverage has also been expanded and is available nationwide, even in rural areas. At the beginning of 2023, Germany-wide network coverage was 99 per cent (by population).

4G ≠ LTE

Although 4G is often referred to as LTE (Long Term Evolution) in the vernacular, the two are not quite the same. LTE does not fulfil the requirement of download rates of up to 1,000 megabits per second. LTE should therefore be seen more as a 3G improvement. Only in regions where the LTE enhancements (LTE-Advanced, 4G+, LTE-A or LTE+) are available does LTE fulfil all the requirements and can actually be equated with 4G.

The future

Although 4G is still used in many data tariffs and regions, the fifth generation of the mobile communications standard has been introduced since 2019. Find out what's new and what advantages the new standard brings in our expertise on the 5G mobile communications standard.