In the characteristics of modern smartphones, LTE support is often encountered, but not every user knows what it is and how it will affect the work of the gadget. In the article we will try to figure out in detailWhat it differs from the other types of connection with the network and why it is necessary for the modern user.
Mobile Internet firmly entrenched in the lives of most cellular users. Its speed and quality is not small, so engineers of cellular operators are constantly developing new standards, LTE one of them. It provides highly efficient high-speed data transmission.
In fact, the standard is an intermediate version required to go from third-to-generation networks. The classification of mobile data transfer standards today looks like this.
- 2G - standard 2000. Information speed does not exceed 20 kbps. It implies the transmission of images, text files, voice messages. Today, this network is available everywhere, but used only with obsolete models.
- 3G - Standard 2010 (the most active period of technology introduction). Transmission rate is not more than 3 megabits. Supports more features: video call, online movies, free surfing on the Internet.
- LTE or 4G - until today is in the implementation stage and is not available everywhere. High data transfer rate allows all the same as the previous format, but at a better level.
Thus, LTE is a modern perfect standard of wireless data transmission.
What is the difference between the gadgets supporting LTE
In addition to the question of It is worth understanding than attractive gadgets that support this standard. As a rule, all modern smartphones and tablets are designed for high-speed Internet connection, video linking or watching movies, as well as other projects and services that require high speed data exchange. Unfortunately, 3G is not always able to provide and maintain the desired speed, and without the possibility of supporting LTE to a new network format is not connected.
Characteristics of devices
Gadgets with support for the new standard have the following speed characteristics.
- The speed of receiving information is up to 100 Mbps, it provides fast loading of video files, good quality connection with online broadcasting. Work on the Internet at such a speed flows without the slightest delay to wait for the download.
- In addition to loading, Internet interaction implies and unloading information. The speed of this process is also at a high level and is 50 Mbps per second.
- Speed \u200b\u200bwhen exchanging data with the network. Declared by developers, but rarely actually observed in the process of work is 300 MB / s reception and 170 MB / s.
Thus, devices equipped with support for LTE have wide opportunities and the highest data exchange rate with the Internet, subject to the coating zone of the desired standard.
It is worth noting that the transition from one network to another, in the case of supporting all formats, is automatically. At the same time, problems often arise with reversal. This can be attributed to the minuses of such devices, return to the 3G standard after exiting the LTE coating zone occurs only by rebooting the device.
Opportunities for smartphones with LTE
High quality mobile Internet is necessary for all its users, because understandingit is worth preferring exactly such a device. As a result, the user will receive:
- with characteristics as possible under current conditions;
- not only viewing video without delays and long loads, but also video calls and online conferences;
- in addition, such devices are trying to make maximum available for users, so there are models of various price categories.
Before buying a smartphone with the Internet Communication Standard, it is worth clarifying the accompanying documents the frequency range that gadget is available. It often happens that the device is intended for values \u200b\u200bthat do not meet Russian standards.
Smartphone with high-speed access to the Internet can be used as a router and distribute Wi Fi to other devices, phones or tablets. With good traffic, it is permissible to connect even a laptop or PC to the network if there is a desired adapter.
Most premium gadgets are equipped with a similar opportunity, and it is one of the standard. For example, Apple smartphones are equipped with the possibility of using a high-speed connection with a network starting with 5 models, and 6 are already fully connected to the network in the ranges available in Russia.
What are the prospects
Did not have time people really understand technologyAnd in the sidelines they will whisper that the appearance of the fifth generation networks is not far off. In this connection, it can be safe to expect that LTE-4G will soon become available in most regions of the country.
But what else can I read users, it would seem where it is better, the download speed and unloading allows you to use the Internet at a high level. Nevertheless, further developments imply:
- raising speed and increasing the quality of data transfer in the mobile network;
- the emergence of new formats of mobile Internet based on a high-speed compound;
- improving the quality of mobile services subject to reduction in its value.
Thus, when buying a smartphone should not refuse to use the Internet through the network of the highest standards. Even despite the fact that today the coating of the 4G zone allows us to address it only to residents of the central regions of the country, the spread of technology is rapidly pace.
High-speed Internet technologies over the past few years have stepped far forward over the past few years, and if only major cities could boast of mobile Internet at a good speed, now the third and fourth generation networks can be used on most territory of Russia. Each of the cellular operators provides high-speed Internet, constantly expanding the coverage and improving the quality of services. LTE and 4G What is the difference - learn more.
What is the difference
The fourth generation networks are now used by cellular operators as an optimal combination of Internet speed and service availability. But the marketing services of the operators, along with the term 4G, refer to LTE technology, understanding the same high-speed mobile Internet: the range of speed of these technologies is approximately the same, therefore users almost always do not understand how 4G differs from LTE.
Manufacturers of smartphones and tablets are not lagging behind, promising support and 4-ji in their gadgets, because it definitely gives them advantages in the eyes of buyers. To understand the meaning of terms, meaning the standards of high-speed Internet, you need to figure out what LTE and 4G mean and what is the difference between them.
What is 4G.
This is a common name for the network of the fourth generation of mobile communications, which began to develop in 2008. The main requirement for cellular operators implementing this standard was to provide Internet speed from 100 Mbps (for mobile consumers) to 1 Gb / s (for stationary subscribers). Due to this Network, 4-GI should have been in dozens and hundreds of times surpass the previous, third generation of mobile networks.
In addition, in the networks of 4 generations, VoIP technology was introduced for the first time, which allows combining voice communication with data transfer. Along with improving Internet speed indicators, this should have reduced the cost of voice calls by optimizing technology.
In fact, it was not possible to achieve the claimed speed operators, but the concept was able to "promote" in ITU (International Telecommunication Union, ITU), and the service began to be sold under the guise of a full 4G-Internet.
Approximate to the declared velocity values \u200b\u200bmanaged to fix only during the development of the 4G standard. LTE technology has become the initial stage of this development and today remains the most common of them.
What is LTE.
When the question arises about LTE - what it is and what is different from 4-ji, it is worth starting with a literal translation. Long Term Evolution is only one of the technologies relating to the fourth-generation standard of mobile networks, the first selected in a separate direction; A kind of first step to those parameters that a full-fledged 4G network should have. It also did not provide the declared 100 Mbps, but the potential convinced ITU to take it to the fourth generation due to some new decisions in the field of digitization and modulation of the signal.
Therefore, these 2 concepts are now identical and actively progressed both cellular operators and mobile devices. Despite the fact that the promised 100 Mbps this network does not provide, LTE technology provides a stable connection with a low ping, which is enough for most tasks, including voice and video calls, as well as browsing online video in HD-resolution.
From a technical point of view, only LTE-Advanced can be attributed to the fourth generation networks - "Improved LTE", on tests demonstrating speed up to 300 Mbps. In addition, this technology has already been "learned" to use somewhat simultaneously, which allows in theory to increase the quality of the Internet for users without a pronounced dependence on their quantity.
"Simple" LTE technically will more correctly consider an improved 3G option, as it is more close to the parameters of this standard than to the requirements of 4-ji networks.
When buying a mobile gadget, awared user draws attention to the presence of LTE in the phone, so at least 1 socket for the SIM card is marked with this abbreviation. In addition, the card is capable of functioning in a wireless modemia, taking a mobile Internet and translating it to Wi-Fi to other devices.
4G VS LTE Speed \u200b\u200bComparison
The 4G network demonstrates an impressive range of maximum values, but in working conditions it is practically unattainable. LTE in this sense loses the "improved" version of the technology, so the difference is 4G (LTE-Advanced) from simple LTE in this regard. Clear:
- the average data transfer rate of LTE is up to 29 Mbps, and a full 4G LTE supports from 30 to 50 Mbps;
- channel bandwidth - 150 Mbps and up to 1 Gbit / s;
- the rate of return - a maximum of 10 Mbps against 50-60 Mbps.
What's better
In the context of high-speed modes, the response is clear, but the remaining factors that give a clear picture of what the difference between 4G and LTE is not overlooked. LTE Advanced can not yet please the scale: in reality, this technology is available only in major cities of Russia. In this case, this service is not provided by all operators, now it is only at MegaFon and Biline.
Another important aspect in which these links differ are compatible with other standards. If the user of the 4-ji network comes out of the coating zone, its device will easily connect to an existing network of 3 or 2 generations. LTE is not combined with 3G due to the features of the data digitization method, so the user who leaves the coverage area will lose touch with the Internet.
In addition, LTE technology supports not all mobile devices, but not everyone will get a new device to speed up the mobile Internet: not everyone will decide: many users of the 3G-standard users.
Thus, to give the unambiguous preference of the LTE technology can only be possible when the coating zone is actively expanding, and the remaining cellular operators will start developing and selling a full-fledged 4G communication service.
05.03.2019
Validity of the action expiratory
In 2018, MTS began to actively promote new Volte communication technology in Russia. With it, you connect with the subscriber almost instantly and at the same time hear a person as clearly as if he was next to you. How Volte works, which smartphones support this technology - we will tell in our material.
Couple words about LTE
In order to understand what VOLTE represents, you must first figure out how LTE technology works. Long-Term Evolution is a modern data transfer standard on the Internet, which is several times higher than a 3G connection speed. It is with it that you can watch the video in HD quality without delay, download and upload bulk files.
Compare: download speed in LTE networks can reach up to 300 Mbps, and shipment is up to 170 Mbps. At the same time, the average speed of the wired Internet fluctuates in the area of \u200b\u200bonly 100 Mbps.
But for a long time, LTE had a significant limitation. This technology is calculated only on data transfer, but not voices. That is, if you are on the LTE network and receive an incoming call, your gadget automatically switches to 2G / 3G. Because of this, the connection is delayed. In addition, the data transfer rate, which started in the LTE network is reduced. The solution of such problems and has become Volte technology.
Volte in smartphone
Volte (from the English. Voice Over LTE - voice over LTE) converts voice into the data stream, due to which you can call and receive calls through a high-speed IP channel. At the same time, the gadget does not spend time on switching between communication systems, therefore the connection occurs in 1-1.5 seconds. This technology has several significant advantages:
- High-quality sound transmission due to support for HD VOICE codec. If, with normal telephony, the sound is transmitted with a frequency of up to 3400 Hz, then when calling via Volte, the sound range grows to 7000 Hz and more. That is, you hear a human speech without interference and distortion.
- Simultaneous calls and work with data. Using Volte, you can simultaneously talk on the phone, view Instagram, download the film, navigate the area on the navigator and so on.
- Increased mobile network capacity. One basic station via Volte can serve 3 times more subscribers than 3G. So, you are not afraid of interruptions due to the overload of the telephone line.
What smartphones support VOLTE?
Volte technology works on many modern gadgets from Apple, Samsung, Sony, Huawei and others. You can see a complete list of models.
How to set up a volte in a smartphone
Calls via Volte easy to configure. As a rule, the gadget after updating software turns on this mode automatically. If this did not happen, you can activate this option in the smartphone settings.
For smartphones on Android OS:Select the "SIM Card and Mobile Network" section, find the "Call Volte HD" command and switch it to the active mode.
On different models of smartphones, this section may differ by name.
For smartphones on IOS OS:Refer to the "Settings" menu, select the "Cellular Communication" section, then "Data Settings", find the "Enable LTE" command and switch it to the active mode. If the "Voice and Data" parameter is disabled, activate it to enable Volte.
If you want to use Volte technology and for calls to urban numbers, you need to dial the number in the format: + 7 code of the city phone number. When dialing the number in a short format, the advantages of technology are lost: such a call will be translated into the 2G / 3G network at the place of your stay. Additionally, dial the city code is not very convenient, but in this case you will definitely call where you need, on trips to Russia and the world.
How much does it cost?
As much as the usual calls through the 2G / 3G networks at the tariff you purchased. No additional billing at MTS is provided.
What if the smartphone does not support Volte?
This does not mean that you need to urgently run to the nearest cellular salon for the new mobile phone. It is enough to download the MTS Connect proprietary application and you can call from any point of the planet saving on the roaming component. It does not matter if your interlocutor has a similar application.
We also present to your attention a selection of publications about Volte technology.
Modern smartphones and tablets have the ability to connect to LTE standard, which involves a higher wireless data transfer rate, in contrast to the same 3G format. The Internet channel bandwidth increases through the use of a new radio interface, as well as an improved network kernel.
LTE - What is it in the phone?
Wireless communication is gradually evolving. A replacement of old formats come completely new data transmission standards. The transitional link between 3G and 4G is LTE technology, which provides for the use of an improved radio interface and a network kernel.
For the user benefits in the following:
LTE format is an enhancement of GSM / UMTS standards. The use of new methods of digital signal processing and modulation made it possible to increase the transfer rate on the network. Simplification of network architecture has provided the ability to reduce the delay when exchanging data between devices. The wireless standard of the standard cannot be aligned with 2G and 3G formats, so separate frequency is allocated for it.
Network characteristicsLTE:
- data loading speed - up to 326.4 Mbps;
- data recoil speed - up to 172.8 Mbps;
- the delay can be reduced to 5 milliseconds;
- work frequencies - from 1.4 to 20 MHz.
When connecting to the LTE network via Wi-Fi, many users of smartphones and tablets occur, which can be solved by changing the configuration of the router.
Differences LTE from other standards
LTE technology is improved GSM / UMTS standards. The main purpose of this data transfer format is to increase the speed and bandwidth of the communication channel. Many include LTE to the fourth generation networks, but in fact this standard does not meet the requirements provided for by the International Telecommunication Union.
Unlike 3G, LTE networks work on another frequency, therefore are incompatible. They allow you to provide a more comfortable service for Internet users by increasing the bandwidth of the channel and minimize signal delays.
Mobile phones when working in LTE mode consume 20 percent more energy than analogues with a 3G module. The period of autonomous operation of the network device when used in such networks is significantly reduced. Unlike the standards of previous generations, LTE has a not such an extensive coverage area.
Interesting: Users can under their needs through the standard application, including select the network through which the connection will be connected.
How can I connect to LTE?
Often, if you have the possibility of connecting to the LTE network, your smartphone works in 3G mode. You can change the standard in the device settings. The path to the choice of format will depend on the operating system of a specific mobile phone model. To quickly access the desired section, you can use the table.
Additionally: Many Internet services, including text messaging, can be comfortably used after 3G. However, when exchanging large amounts of information, the LTE network will be a more preferred solution.
Let's sum up
Users of many providers have the ability to connect their own smartphone or tablet to a high-speed connection that can be secured by using the LTE network. All modern models of phones and other data exchange devices have support for this standard, regardless of the operating system. To connect to such a network, you just need to select the appropriate mode in the settings.
However, the fourth generation has been distributed with a rapid pace - 4G. The main standard in 4G is currently LTE. Strictly speaking, LTE was not the first fourth generation standard, WiMAX standard was the first widespread. In it, the Yota network worked at first, and some operators use WiMAX so far. The maximum speed of WiMAX 40 Mbps, but the real indicators lie in the range from 10 to 20 Mbps.
But back to LTE. It is he now most common in the world as a whole and in Russia in particular. But what is 4G LTE? LTE (from English. LONG-TERM EVOLUTION) - This is a standard of wireless high-speed data transmission for mobile devices. It is based on all the same GSM / UMTS protocols, however, theoretical and real data transfer rates in LTE networks are significantly higher, sometimes even exceed wired connections!
LTE FDD and LTE TDD: What is the difference?
The LTE standard is two species, the differences between which are quite substantial.FDD. Frequency Division Duplex) - frequency separation of the incoming and outgoing channel.
TDD. (Time Division Duplex) - temporary separation of the incoming and outgoing channel.
Roughly speaking, FDD is a parallel LTE, and the TDD is a serial LTE. For example, with a 20 MHz width of 20 MHz in the FDD LTE, part of the range (15 MHz) is given to download (download), and part (5 MHz) for unloading (UPLOAD). Thus, the channels do not intersect in frequencies, which allows you to work simultaneously and stable for downloading and unloading data. In TDD LTE, the same channel in 20 MHz is completely given and both for download and for unloading, and the data is transmitted to that and the other side alternately, and the priority has all the same loading. In general, FDD LTE is preferable, because It works faster and more stable.
Frequencies LTE.
LTE (FDD and TDD) networks operate at different frequencies in different countries. In many countries, several frequency ranges are operated immediately. It is worth noting, then not all equipment can work on different "bands", i.e. frequency bands. FDD ranges are numbered from 1 to 31, TDD-ranges from 33 to 44. There are additionally several standards that have not yet been assigned numbers. Specifications on frequency bands are called bands (Band). In Russia and Europe, Band 7, Band 20, Band 3 and Band 38 are mainly used.
LTE frequencies in Russia
We give a list of frequency ranges of 4G LTE networks in Russia of the "Big Four" operators (data at the end of 2019). There are also regional 4G LTE networks of local operators working in other frequency ranges, but within the framework of this article we will not consider them.
Frequency distribution of cellular channels in Russia
Speed \u200b\u200b4G LTE
The most important criterion that is especially interested in subscribers, i.e. 4G LTE network users, is the data transfer rate. And the speed primarily depends on the width (band) of the frequency range of one or another operator, as well as the type of duplex used on the network.
- 5 MHz band - 37 Mbps for receipt and 12 Mbps
- band 10 MHz - 75 Mbps for receipt and 25 Mbps
- band 15 MHz - 112 Mbps for receipt and 37 Mbps
- 20 MHz band - 150 Mbit / s receipt and 50 Mbps
These indicators are characteristic of LTE CAT.4 networks, which are currently most common.
In LTE-Advanced networks (LTE Cat.6, LTE Cat.9, etc.), aggregation occurs, i.e. The summation of the strips on different frequency bands is thus achieved a significant increase in the speed of 4G LTE. For example, if we add a 10 MHz band from one range and a 20 MHz band from another range, we obtain a strip of 30 MHz and a speed of 225 Mbps. In some countries, aggregations are already working up to four lanes, which gives speed up to 600 Mbps and above. This is a huge data transfer rate for wireless networks. Read more about the real speed of the Internet in the 4G LTE networks in our article.
4G LTE prospects
Despite the fact that the 4G LTE standard has appeared several years ago, in many regions of our country there are still no 3G networks. So there is still where to grow. In the world, the network is already tested for the 5th generation (5G), but in the real conditions of the 4G LTE network for a long time to dominate, the benefit of the operators actively develop them.
In many cases, 4G Internet is not only an alternative wired connection, but also a non-alternative single option, including economically appropriate. Delivent objects, the gasket of the wire to which is related to certain difficulties or risk, and sometimes it is impossible at all, they also need to connect to the Internet. Often it is possible to connect 4G Internet even where the coverage of LTE networks is missing. This uses special 4G antennaswhich catch and enhance the 4G LTE signal. To choose the right to choose an antenna, you need to know, the network of which operator needs to be caught, at what frequency it works, as well as in what duplex mode (FDD or TDD). Our specialists The type of signal will determine the parameters will measure, the corresponding equipment will be configured to ensure a quick and stable access to the Internet via the 4G LTE network.