5G
5G, the fifth generation of mobile phone communications standards, is poised to revolutionize mobile data connectivity. As the successor to 4G, 5G promises significantly faster speeds and opens up new possibilities for various applications.
While top-performing 4G LTE networks can reach peak download speeds of around 300 Mbps, 5G estimates range from 1 Gbps to an impressive 10 Gbps. To put this into perspective, a 1080p HD movie can be downloaded to a smartphone in a matter of seconds, taking only 10 to 40 seconds.
One of the key advantages of 5G is its significantly lower latency. Latency refers to the delay experienced when data is transferred between devices.
Traditional 4G networks typically have a latency of around 45 milliseconds, while 5G boasts a theoretical latency as low as 1 millisecond. This near-instantaneous response time is crucial for applications like self-driving cars, where split-second decisions are required.
In addition to speed and low latency, 5G also offers greater network capacity and improved handling of high demand. This means that networks can support a larger number of devices simultaneously without sacrificing performance or speed.
To achieve these advancements, 5G utilizes higher radio frequencies that are less crowded, allowing for faster data transmission. However, it’s important to note that higher frequencies do not travel as far as lower frequencies.
To overcome this challenge, 5G networks rely on a larger number of smaller antennas placed closer together. These multiple input and output (MIMO) antennas enable the network to provide extensive coverage while maintaining high-speed connectivity.
Furthermore, 5G networks can be configured into multiple virtual networks called “slices.” This flexibility allows operators to allocate network resources efficiently based on specific applications or user requirements, resulting in improved network management and optimized resource allocation.
It’s worth mentioning that 5G encompasses different types of networks. “Sub-6” refers to 5G networks that use frequencies below 6 GHz, providing broader coverage per tower.
On the other hand, “mmWave” or “Wide Band” operates in the higher frequency bands, typically ranging from 26 to 28 GHz. While mmWave offers faster speeds, it has more limited coverage and experiences higher signal attenuation when passing through obstacles like walls and windows.
Although the blazing speeds achievable on mmWave 5G networks have garnered attention, most carriers worldwide have focused on developing their networks in the sub-6GHz range.
Only Verizon has primarily invested in mmWave technology. Devices supporting mmWave require additional radio antennas, making their internal design more complex. As of now, mmWave-compatible phones are primarily designed for use on Verizon’s network.
In summary, 5G represents a significant leap forward in mobile connectivity, with faster speeds, lower latency, increased capacity, and more efficient network management.
While the mmWave technology showcases the highest potential speeds, most carriers have opted to build their networks in the sub-6GHz range to achieve broader coverage and maximize compatibility across devices and regions.
« Back to Glossary