What is 5G Technology?
Here is a short video explaining 5G Technology:
5G, The New Network arrives
Deloitte predicts that 2019 will be the year in which fifth-generation (5G Technology) wide-area wireless networks arrive in scale.
There were 72 operators testing 5G in 2018, and by the end of 2019,
we expect 25 operators to have launched 5G service in at least part of their territory (usually cities) with another 26 operators to launch in 2020,
more than doubling the total.
Further, we expect about 20 handset vendors to launch 5G-ready handsets in 2019 (with the first available in Q2),
and about 1 million 5G handsets (out of a projected 1.5 billion smartphone handsets sold in 2019) to be shipped by year’s end.
One million 5G modems (also known as pucks or hotspots) will be sold, and around a million 5G fixed wireless access devices will be installed.
3 main use of 5G technology in short term
In 2019 and 2020, 5G wireless technology will have three major applications.
- 5G will be used for truly mobile connectivity, mainly by devices such as smartphones.
- 5G will be used to connect “less mobile” devices, mainly 5G modems or hotspots: dedicated wireless access devices, small enough to be mobile, that will connect to the 5G network and then connect to other devices over Wi-Fi technology.
- Finally, there will be 5G fixed-wireless access (FWA) devices, with antennas permanently mounted on buildings or in windows, providing a home or business with broadband in place of a wired connection.
5G Technology Adoption
To some, our predictions for 5G adoption might seem unusually conservative or pessimistic.
But we see no reason to doubt that the first years of 5G will look almost exactly like the first years of 4G (2009–10).
At that, 5G usage will spread faster than 3G, which launched in 1998 and took time to gain widespread acceptance.
5G in Real World
5G Higher Speed
The need for speed: Ideal vs. real-world conditions.
New wireless technologies always offer faster speeds, but
speed can mean at least three different things: speeds achieved in the lab or in limited trials, peak speeds achieved in the real world under ideal conditions, and
the speeds that real users in the real world achieve on average.
Although 5G is still in its early days, there is some data indicating what each measure is likely to be.
The fastest-ever 5G lab transmission has been 1 terabit per second, and
the record for a field trial currently stands at 35 Gbps.
Neither is a good indicator of real-world speeds in the short term, although
longer-term projections are that 20 Gbps may be an achievable real-world peak speed.
5G under real-world conditions will likely be slower than 35 Gbps but still markedly faster than 4G networks—and also faster than some fiber and cable solutions. In general, peak speeds of more than 1 Gbps are likely, although that would only be for someone ideally situated, very close to the transmitter, and using the network when it was not busy.
Nonetheless, according to simulations, median data speeds would surge with the upgrade to 5G, based on the cell-site locations and spectrum allocations of two current networks.
One simulation based on a Frankfurt-based network estimated a ninefold increase in median speed, from 56 Mbps to 490 Mbps. Another test based on a San Francisco network calculated a 20-fold increase, from 71 Mbps for a median 4G user to 1.4 Gbps for a median 5G user if using mmWave coverage.
As with real estate, achieved 5G speeds will come down to location, location, and location!
5G Lower Latency
Speed is not the only benefit of 5G networks, of course.
Another additional potential benefit is lower latency: the time it takes to send a message from a device to the network and get the answer back.
4G networks average latencies of around 60 milliseconds (ms), although there can be considerable variation, and
4G latencies could theoretically be lower than that.
But 5G networks will have, in time, a latency of less than 1 ms.
Even in 2019, 5G will have lower latency than that of the average 4G network—and
although 5G’s average latency may not be much lower than that of 4G, the worst-case latency will likely be much better.
In 5G field trials, real-world latency has been “as low as 9 ms,” although it is unclear what the average latency will be on the commercial networks that expect to launch in 2019; 20–30 ms seems like a plausible figure.
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