Gigabit LTE: the future of high-speed version of the Qualcomm

Date:

2017-11-20 09:00:10

Views:

2298

Rating:

1Like 0Dislike

Share:

Gigabit LTE: the future of high-speed version of the Qualcomm Source:

In January this year in Sydney held an event Gigabit LTE Experience, where companies Telstra, Ericsson and Netgear have demonstrated the world's first commercial mobile device and a network that supports Gigabit LTE. Since then a lot has been done, and 2017 Qualcomm can safely be called the year of Gigabit LTE.

Today 41 operators in 24 countries, including in Russia, has deployed or is testing Gigabit LTE. Among the companies that have announced the commercial launch of LTE, Gigabit networks, includes MegaFon and MTS, and MTS and VimpelCom has tested the technology LAA, which is one of the key for the realization of Gigabit LTE using unlicensed spectrum.

Currently the world has 16 devices that support Gigabit LTE, including 10 Android smartphones of premium class with support for Gigabit LTE chipset Qualcomm Snapdragon 835 modem LTE Snapdragon X16. In our country at present already sold several premium smartphones, with support for Gigabit LTE: for example, Sony Xperia XZ Premium.

What are the advantages of Gigabit LTE? It is much faster loading speed and most efficiency of the network overall, and high spectral efficiency. This was confirmed by research among the users, which was held at the initiative of Qualcomm Technologies company Signals Research Group (SRG), who has considerable experience in the field of testing the performance of wireless networks. During testing, we compared the smartphone with support for Gigabit LTE (16th category LTE), such as the Samsung Galaxy S8 (on the Snapdragon platform 835), with the other smartphone that supports 12 LTE category (where the maximum download speed — up to 600 Mbps). The latter is the LTE capabilities of some of the recent flagship smartphones running on Android.

During testing, the SRG has carried out a number of test scenarios, which were mainly designed to test the experience of using the device by the user:

the
    the
  • Download from the Google Play Store (download of mobile game — ~ 350 MB)
  • the
  • Download from Google Drive (file download 2 GB, download 3 videos)
  • the
  • Streaming on YouTube (4K 360° video)
  • the
  • video Streaming (video encoding 15 Mbps)

The following table you can see a better performance and a better user experience with the Galaxy S8, supporting Gigabit LTE, compared with 12 smartphone category in the network that is capable of 4×4 MIMO on a single LTE carrier frequency with modulation 256-QAM to achieve maximum download speeds of 400 Mbps. that is why, despite the fact that it's LTE network is not a Gigabit device with support for Gigabit LTE can provide higher performance than mobile 12 category:

In conditions of very good signal from Samsung Galaxy S8 with support for 4×4 MIMO has an additional layer of data flow in addition to existing. Thus, using the same amount of spectrum, the device is passed more data than smartphone 12. Working on the border of the cell, two additional antennas helped to maintain the connection more strong, clean signal from the tower. This technology is called "four-channel diversity reception" (4-way receive diversity). Thanks to her Galaxy S8 can accept more data streams and increase the download speed. Figure 1 shows the actual observed MIMO ranks (Rank 1 means 1 data stream, Rank 2 means 2 data stream, etc.) for both the smartphones in different radio environment.

According to the test results, it was concluded that users of the Samsung Galaxy S8 will get the best user experience, this means:

the
    the
  • faster loading
  • the
  • videos
  • the
  • Thanks to the technology 4×4 MIMO Galaxy S8 uses fewer network resources, thereby increasing its overall throughput

Technology Gigabit LTE technology LAA (licensed access) and LTE Advanced Pro combine unlicensed spectrum (5 GHz) licensed spectrum through aggregation of the carrier frequencies to increase network bandwidth. More networks are deploying small cells LAA, increasing productivity for users of smartphones and increasing throughput, thereby optimizing network resources.

Download from Google Play was tested by comparing the Galaxy S8 with smartphones 12 category at the small cell using the technology of the LAA in the band of 20 MHz of licensed spectrum and unlicensed spectrum, the three carriers with 20 MHz each. Thus, in total we used 80 MHz of spectrum.

Although the average download speed in the case of the use of technology with the Galaxy LAA S8 amounted to 285 Mbps, the real benefit from LAA is different. LAA distributes the traffic between the licensed and unlicensed bands of the spectra, increasing the bandwidth on a licensed frequency, which in turn increases the data transfer speed for other users in these bands.

In addition, the SRG analysed the operator's advantage in spectral efficiency in different radio conditions: good — from the base station, the middle – in the middle of the cell, and bad — on the border of the cell. The study showed a significant advantage (of up to 50 percent) in the efficiency of use of spectrum with the Samsung Galaxy S8, supporting Gigabit-class LTE. Were provided the best user experience not only for those who use smartphones with LTE support Gigabit, but that is very important, and for all other users on the network. The figures below show the normalized bandwidth in resource blocks of the network (RB) at the physical level in different radio conditions. Data transfer rate, normalized to the resource blocks of the network (RB), — that the alleged speed of data transmission in the case when mobile devices were used all available network resources (RB) in the network:

The test Results obtained on a real network, is proving the advantages of the technology Gigabit LTE.

Gigabit LTE smartphones make the user experience better than smartphones 12 category:

the
    the
  • faster loading time
  • the
  • Less the amount of used network resources
  • The more Gigabit LTE smartphones on the network, the better for all users of the network, no matter what their device.

    the
  • the Efficiency of spectrum use is increased by 30-40%
  • the
  • Improved network throughput and the possibility to serve other users

Gigabit-class LTE technology LAA provides the best user experience compared to devices that do not support LAA:

the
    the
  • faster download speed
  • the
  • off-loads the network and increases throughput
...

Recommended

The Oculus zuest 2 virtual reality helmet for $300. What's he capable of?

The Oculus zuest 2 virtual reality helmet for $300. What's he capable of?

Why is the new Oculus zuest 2 better than the old model? Let's work it out together. About a decade ago, major technology manufacturers introduced the first virtual reality helmets that were available to ordinary users. There were two ways to find yo...

The mysteries of neurotechnology - can the brain be used as a weapon?

The mysteries of neurotechnology - can the brain be used as a weapon?

DARPA has launched the development of a neural engineering system to research a technology that can turn soldiers into cyborgs Despite the fact that the first representatives of the species Homo Sapiens appeared on Earth about 300,000 - 200,000 years...

What materials can be used to build houses on Mars?

What materials can be used to build houses on Mars?

Marsha constructions n the surface of the Red Planet SpaceX CEO Elon Musk is hopeful that humans will go to Mars in the next ten years. Adapted for long flight ship Starship is already in development, but scientists have not yet decided where exactly...

Comments (0)

This article has no comment, be the first!

Add comment

Related News

In Loсkheed Martin has developed a military exoskeleton

In Loсkheed Martin has developed a military exoskeleton

I'm Sure many of us in science fiction films and books faced with the description of the military of the future, which would be used as equipment exoskeletons that significantly improve the physical ability of the media. These dev...

The white house: the Mask did not allow anything to dig between Washington and new York

The white house: the Mask did not allow anything to dig between Washington and new York

in the Summer of Elon Musk, CEO SpaceX, Tesla and The Boring Company, designed to save humanity from the tubes using a network of underground tunnels, was told that his ideas are all delighted. He is, in his words, met with the of...

Electronics that can operate on Venus: how to create it?

Electronics that can operate on Venus: how to create it?

Weather on Venus — of Dante's Inferno. The average surface temperature is 462 degrees — high enough to melt lead and atmospheric pressure 92 times higher than on Earth at sea level (9,2 MPa). For these reasons, few automatic missi...

Scientists of Tyumen presented material for road construction in the Arctic

Scientists of Tyumen presented material for road construction in the Arctic

the construction of roads in the harsh Arctic conditions — not an easy task. But scientists from the Tyumen industrial University (TIU), together with colleagues from the Institute of the Earth cryosphere of the Siberian bra...

How to collect the world's largest mirror telescope?

How to collect the world's largest mirror telescope?

Mirror the forge at the University of Arizona is easy to overlook. Possessing impressive size, the Laboratory of mirrors Richard CARISA is in the shadow of the giant football University stadium to 56,000 seats. Even the most outst...

Physics found in the great pyramid mysterious structure: how?

Physics found in the great pyramid mysterious structure: how?

particle Physics found a large, hidden hole in the pyramid of Khufu, the largest pyramid at Giza, Egypt was built between 2600 and 2500 BC. The discovery, which was written in Nature, was made using imaging based on cosmic rays an...

Elon Musk: Tesla our Semi

Elon Musk: Tesla our Semi "will blow your mind!"

Promised the October demonstration of the Tesla truck fell through due to a number of reasons, so I had to carry it for a few weeks. But because this transfer happened a lot. For example, someone nafotografirovali supposedly ready...

#news high tech | Issue 218

#news high tech | Issue 218

Every Monday in the new issue of «News high-tech» we summarize the previous week, talking about some of the most important events, the key discoveries and inventions. This time we will focus on the smart cap, fuel air an...

Stephen Hawking: we have passed the point of no return

Stephen Hawking: we have passed the point of no return

Stephen Hawking believes that humanity will soon have no choice but to leave Earth and seek a new home. Such statements famous physicist already played before. In his opinion, the chance for survival we have with you will only ari...

Deus ex machina: created a glass that turns water into wine

Deus ex machina: created a glass that turns water into wine

the present level of development of the food and chemical industries allows us to synthesize almost any taste and smell. But what if we add to these the achievements of high technology? All of this can get very interesting inventi...

#news high tech | Issue 217

#news high tech | Issue 217

Every Monday in the new issue of «News high-tech» we summarize the previous week, talking about some of the most important events, the key discoveries and inventions. This time we will focus on the Aibo robot, artificial...

We are thirty years from the appearance of consciousness in machines. But the hype is premature

We are thirty years from the appearance of consciousness in machines. But the hype is premature

Today, many global technology companies are involved in a unique race: strive literally to breathe life into artificial intelligence (AI). Machine learning systems for many has become an integral part of the business, it is not su...

AI won best London lawyers

AI won best London lawyers

for a long time suggests that many areas in the future «to give» robots running artificial intelligence. But if the cost of production, like Assembly lines or service areas is not of major concern, then these are the are...

Disney engineers created the tactile lines for blind people

Disney engineers created the tactile lines for blind people

Laboratory Disney Research continues to create new technologies, which are not necessarily related to animation and cinema. We have repeatedly told you what they do the engineers of this company. For example, they have created a p...

In China launched the first tram on hydrogen fuel

In China launched the first tram on hydrogen fuel

the Creation of vehicles that use as source of energy alternative fuels is an extremely promising development. And it is not always about using electricity. For example, recently in China, in Tangshan city of Hebei province into c...

#news high tech | Issue 216

#news high tech | Issue 216

Every Monday in the new issue of «News high-tech» we summarize the previous week, talking about some of the most important events, the key discoveries and inventions. This time we will focus on neural networks, Chinese S...

Chapter SoftBank: technological singularity will happen in 30 years

Chapter SoftBank: technological singularity will happen in 30 years

In the world there are very few people who sincerely believe in the approach of the so-called technological singularity – the time when intelligent machines will become smarter than humans. One such person is, for example, futuris...

Artificial intelligence has learned to circumvent the protection from robots

Artificial intelligence has learned to circumvent the protection from robots

One of the main ways to protect the Internet from the invasion of bots is a captcha — computer test by which the system determines whether the user is a human or a computer. This is one example of the Turing test. The basic ...

3D printer to print food will appear in every kitchen in the next few years

3D printer to print food will appear in every kitchen in the next few years

using innovative 3D printing technologies has created parts for various mechanisms, bridges and even entire houses. But it seems that the technology has much more potential, and it can be used in the food industry. At least that's...

Created the camouflage that can change color and shape

Created the camouflage that can change color and shape

there is No doubt that in the future high technology will give us the opportunity to begin using so-called "smart" clothing. But the use of such clothing is not limited to the embedding of sensors and sensors to read biometric inf...