Every tenth base station 3G and 4G from MTS, built in the Moscow region over the past year, appeared due to the requests of subscribers. This was reported in the press service of the company. Telecombog found out that MTS subscribers in the North-West also have the opportunity to apply with a request to improve the quality of communication at one point or another. For example, more than half of all base stations 3G installed in St. Petersburg and the Leningrad region in the first half of 2014 was built in response to customer requests

Since the end of the first half of 2013, MTS has built about 1,500 new 3G and LTE base stations in the Moscow region. At the same time, ten percent of them were launched based on the results of subscribers' requests - to the MTS website, to the contact center, social networks, as well as through the Yandex.Maps service. This was told in the company itself.

“MTS is investing in the development of innovative data transmission networks in the Moscow region, actively expanding the geography of providing modern services. An integrated approach and the launch of LTE services stimulate the demand for high speed internet... During the year, traffic consumption in the villages of the region has tripled, daily MTS clients download the amount of data comparable to fifty thousand films in HD quality, ”said Kirill Dmitriev, director of MTS in the Moscow region.

The press service of the North-Western branch of MTS told us that they also respond to subscribers' requests.

"All customer inquiries regarding the quality of services are consolidated in contact center MTS and sent for inspection to technical specialists. Based on the results of the check, plans are being adjusted to install additional base stations, modernize existing equipment (introduce the second and third carriers), and expand channels. Thus, more than half of all 3G base stations installed in St. Petersburg and the Leningrad region in the first half of 2014 were built in response to customer requests, "said Veronika Byalkovskaya, head of the press service of the North-West branch of MTS.

In addition, the report “MTS Clients Help Make Communication More Reliable” is regularly issued - it reports on the work carried out to improve the quality of communication. You can view the latest report on St. Petersburg and the Leningrad Region.

MTS in the Moscow region has increased the capacity and coverage of the "third generation" network by almost 20% due to the use of the UMTS-900 standard. Residents of almost 3,000 settlements of the Moscow region, including small villages, have access to speeds of up to 42 Mbit / s, thanks to the use of DC-HSDPA + technology. The launch of the third carrier frequency and additional configuration of the equipment, it is said, allowed MTS to increase the network capacity by 50% and increase the data transfer rate by a third.

Currently, the fourth generation network is available in 1,000 settlements of the region. During the year, MTS provided access to mobile Internet in 700 new cities and towns of the Moscow region. MTS also increased by 30% the number of 3G and LTE base stations in cottage settlements near Moscow and in the area of \u200b\u200blarge summer cottages on the territory of Domodedovsky, Krasnogorsky, Ramensky, Khimki, Istrinsky, Pushkinsky, Odintsovsky, Korolevsky, Mytishinsky, Shchelkovsky districts.

And again, a little general educational material. This time we will talk about base stations. Consider the various technical moments on their location, design and range, as well as look inside the antenna unit itself.

Base stations. General information

This is what antennas look like cellular communicationinstalled on the roofs of buildings. These antennas are an element of a base station (BS), specifically, a device for receiving and transmitting a radio signal from one subscriber to another, and then through an amplifier to a base station controller and other devices. Being the most visible part of the BS, they are installed on antenna masts, roofs of residential and industrial buildings, and even chimneys. Today you can find more exotic versions of their installation, in Russia they are already installed on lighting poles, and in Egypt they are even "disguised" as palm trees.

The base station can be connected to the operator's network by radio relay, therefore, next to the "rectangular" antennas of the BS units, you can see a radio relay dish:

With the transition to more modern standards of the fourth and fifth generations, in order to meet their requirements, stations will need to be connected exclusively via fiber optics. In modern BS designs, optical fiber becomes an integral medium for transmitting information even between nodes and blocks of the BS itself. For example, the figure below shows the design of a modern base station, where a fiber optic cable is used to transfer data from the RRU (Remote Controlled Units) antenna to the base station itself (shown by the orange line).

The base station equipment is located in non-residential premises of the building, or is installed in specialized containers (fixed on walls or poles), because modern equipment is quite compact and can easily fit into system unit server computer. Often the radio module is installed next to the antenna unit, this allows to reduce losses and dissipation of the power transmitted to the antenna. This is how the three installed radio modules of the Flexi Multiradio base station equipment, mounted directly on the mast, look like:

Base station service area

To begin with, it should be noted that there are different types base stations: macro, micro, pico and femtocells. Let's start small. And, in short, the femtocell is not a base station. Rather, it is an Access Point. This equipment is initially aimed at home or office users and the owner of such equipment is a private or legal entity. a person not related to the operator. The main difference between such equipment is that it has a fully automatic configuration, from the assessment of radio parameters and ending with the connection to the operator's network. Femtocell has the dimensions of a home router:

Picocell is a low power BS, operator-owned and using as transport network IP / Ethernet. Usually installed in places of possible local concentration of users. The device is comparable in size to a small laptop:

Microcell is an approximate implementation of a base station in a compact form, very common in operators' networks. It differs from the "big" base station by the reduced capacity of those supported by the subscriber and lower radiating power. The mass, as a rule, is up to 50 kg and the radius of the radio coverage is up to 5 km. Such a solution is used where high capacities and network capacities are not needed, or it is not possible to install a large station:

And finally, a macrocell is a standard base station on the basis of which mobile networks are built. It is characterized by a power of about 50 W and a coverage radius of up to 100 km (in the limit). The rack weight can be up to 300 kg.

The coverage area of \u200b\u200beach BS depends on the height of the antenna section, the terrain and the number of obstacles on the way to the subscriber. When installing a base station, the coverage radius is far from always in the foreground. As the subscriber base grows, the maximum BS bandwidth may not be enough, in which case the message "network busy" appears on the phone screen. Then the operator, over time, in this area can deliberately reduce the range of the base station and install several additional stations in places of greatest load.

When you need to increase the network capacity and reduce the load on individual base stations, then microcells come to the rescue. In a megalopolis, the radio coverage area of \u200b\u200bone microcell can be only 500 meters.

In urban conditions, oddly enough, there are places where the operator needs to locally connect a section with a large amount of traffic (metro station areas, large central streets, etc.). In this case, low-power microcells and picocells are used, the antenna units of which can be located on low buildings and on street lighting poles. When the question of organizing high-quality radio coverage inside closed buildings (shopping and business centers, hypermarkets, etc.) arises, then pico-cell base stations come to the rescue.

Outside cities, the range of operation of individual base stations comes to the fore, so the installation of each base station at a distance from the city is becoming an increasingly expensive enterprise due to the need to build power lines, roads and towers in difficult climatic and technological conditions. To increase the coverage area, it is desirable to install the BS on higher masts, use directional sector emitters, and lower frequencies that are less susceptible to attenuation.

For example, in the 1800 MHz range, the BS operating range does not exceed 6-7 kilometers, and in the case of using the 900 MHz range, the coverage area can reach 32 kilometers, all other things being equal.

Base station antennas. Let's look inside

In cellular communications, sector-based panel antennas are most often used, which have a radiation pattern of 120, 90, 60 and 30 degrees. Accordingly, to organize communication in all directions (from 0 to 360), 3 (DN width of 120 degrees) or 6 (DN width of 60 degrees) antenna units may be required. An example of organizing a uniform coverage in all directions is shown in the figure below:

And below is a view of typical radiation patterns on a logarithmic scale.

Most base station antennas are broadband, allowing operation in one, two or three frequency bands. Starting from UMTS networks, unlike GSM, base station antennas are able to change the radio coverage area depending on the network load. One of the most effective methods The control of the radiated power is the control of the angle of inclination of the antenna, in this way the irradiation area of \u200b\u200bthe radiation pattern changes.

Antennas can have a fixed angle of inclination, or they can be remotely adjusted using a special softwarelocated in the BS control unit, and built-in phase shifters. There are also solutions to change the service area, from common system data network management. Thus, the coverage area of \u200b\u200bthe entire sector of the base station can be adjusted.

Base station antennas use both mechanical and electrical pattern control. Mechanical control is easier to implement, but often leads to distortion of the shape of the radiation pattern due to the influence of structural parts. Most BS antennas have an electrical tilt adjustment system.

The modern antenna unit is a group of radiating elements of the antenna array. The distance between the array elements is chosen in such a way as to obtain the smallest level of side lobes of the radiation pattern. The most common lengths of panel antennas are from 0.7 to 2.6 meters (for multiband antenna panels). The gain ranges from 12 to 20 dBi.

The figure below (left) shows the design of one of the most common (but outdated) antenna panels.

Here, the radiators of the antenna panel are half-wave symmetrical electric vibrators above a conductive screen, located at an angle of 45 degrees. This design allows you to form a diagram with a main lobe width of 65 or 90 degrees. In such a design, two- and even three-band antenna units are produced (albeit rather large-sized). For example, a tri-band antenna panel of this design (900, 1800, 2100 MHz) differs from a single-band one, approximately twice in size and weight, which, of course, makes it difficult to maintain.

An alternative technology for manufacturing such antennas involves the implementation of strip antenna emitters (square metal plates), in the figure above on the right.

And here is another option, when half-wave slot magnetic vibrators are used as the emitter. The power line, slots and screen are made on a single printed circuit board with double-sided foil glass fiber laminate:

Taking into account the modern realities of the development of wireless technologies, base stations must support the operation of 2G, 3G and LTE networks. And if the control units of base stations of networks of different generations can be accommodated in one wiring closet without increasing the overall size, then significant difficulties arise with the antenna part.

For example, in multi-band antenna panels, the number of coaxial trunks reaches 100 meters! Such a significant cable length and the number of soldered joints inevitably leads to line losses and a decrease in the gain:

In order to reduce electrical losses and reduce soldering points, microstrip lines are often made, this makes it possible to perform dipoles and a power supply system for the entire antenna using a single printed technology. This technology easy to manufacture and provides high repeatability of antenna characteristics during its serial production.

Multiband antennas

With the development of communication networks of the third and fourth generations, modernization of the antenna part of both base stations and cell phones is required. Antennas are required to operate on new additional bands exceeding 2.2 GHz. Moreover, work in two and even three bands must be done simultaneously. As a result, the antenna part includes quite complex electromechanical circuits that must ensure proper functioning in difficult climatic conditions.

As an example, consider the design of the emitters of a dual-band antenna for a Powerwave cellular base station operating in the 824-960 MHz and 1710-2170 MHz bands. Her appearance shown in the figure below:

This dual band feed consists of two metal plates. The larger one works in the lower 900 MHz band, above it is a plate with a smaller slot radiator. Both antennas are driven by slot radiators and thus have a single feed line.

If dipole antennas are used as emitters, then it is necessary to set a separate dipole for each waveband. Individual dipoles must have their own feed line, which, of course, reduces overall system reliability and increases power consumption. An example of such a design is a Kathrein antenna for the same frequency range as discussed above:

Thus, the dipoles for the lower frequency range are, as it were, inside the dipoles of the upper range.

For the implementation of three- (and more) band modes of operation, printed multilayer antennas have the greatest manufacturability. In such antennas, each new layer works in a rather narrow frequency range. This "multi-storey" design is made of printed antennas with individual radiators, each antenna tuned to a separate frequency of the operating range. The design is illustrated by the figure below:

As in any other multi-element antennas in this design, there is an interaction of elements operating in different frequency ranges. Of course, this interaction affects the directivity and alignment of the antennas, but this interaction can be eliminated by the methods used in phased array antennas. For example, one of the most effective methods is to change the design parameters of the elements by displacing the exciting device, as well as changing the dimensions of the feed itself and the thickness of the separating dielectric layer.

An important point is that all modern wireless technology broadband, and the operating frequency bandwidth is at least 0.2 GHz. Antennas based on complementary structures have a wide operating frequency band, a typical example of which are "bow-tie" antennas. Matching of such an antenna with the transmission line is carried out by selecting the excitation point and optimizing its configuration. To expand the band of operating frequencies by agreement, the "butterfly" is supplemented with an input impedance of a capacitive nature.

Modeling and calculation of such antennas is performed in specialized CAD software packages. Modern programs make it possible to simulate an antenna in a semitransparent housing in the presence of the influence of various structural elements of the antenna system and thereby allow for a sufficiently accurate engineering analysis.

The design of a multi-band antenna is done in stages. First, a wide bandwidth microstrip printed antenna is calculated and designed for each operating frequency range separately. Next, printed antennas of different ranges are combined (superimposed on each other) and considered joint work, eliminating, if possible, the causes of mutual influence.

A wideband butterfly antenna can be advantageously used as the basis for a tri-band printed antenna. The figure below shows four different configuration options.

The above antenna designs differ in the shape of the reactive element, which is used to expand the operating frequency band by agreement. Each layer of such a tri-band antenna is a microstrip emitter of specified geometric dimensions. The lower the frequencies, the larger the relative size of such a radiator. Each layer printed circuit board separated from the other by a dielectric. The above design can work in the GSM 1900 range (1850-1990 MHz) - it accepts the bottom layer; WiMAX (2.5 - 2.69 GHz) - accepts the middle layer; WiMAX (3.3 - 3.5 GHz) - Takes over the top layer. Such a design of the antenna system will allow receiving and transmitting a radio signal without using additional active equipment, thereby not increasing the overall dimensions of the antenna unit.

And in conclusion, a little about the dangers of BS

Sometimes, the base stations of cellular operators are installed right on the roofs of residential buildings, which specifically demoralize some of their inhabitants. The owners of apartments cease to "give birth to cats", and on the head of the grandmother, gray hair begins to appear faster. In the meantime, the inhabitants of this house hardly receive an electromagnetic field from the installed base station, because the base station does not radiate "down". And, by the way, the norms of SaNPiN for electromagnetic radiation in the Russian Federation is an order of magnitude lower than in the "developed" countries of the West, and therefore, within the city, base stations are never full power does not work. Thus, there is no harm from the BS, unless you arrange to sunbathe on the roof a couple of meters away. Often, a dozen access points installed in residents' apartments, as well as microwave ovens and cell Phones (pressed to your head) has a much greater effect on you than a base station set up 100 meters outside a building.

Probably everyone knows that an operator's base station is what a mobile phone "clings" to through the air so that its owner remains in touch. If the MTS base station is nearby, then your smartphone has fast mobile Internet, and you can hear the interlocutor in the handset as if he is in the same room with you. This is a generally correct idea of \u200b\u200ba base station, but still too simple for a device with such versatile capabilities. See for yourself.

The Internet is our everything

For many of us, the Internet is a means of always staying connected, an opportunity to be in the center of events. A lot of convenient services depend on it, without which we cannot imagine ourselves today - from messengers and social networks to ordering a taxi and online stores. The fact that in our life with you the Internet is everywhere - the merit of MTS base stations, which are always ready to help you be online, instantly connect you with another area of \u200b\u200bthe city or a friend from distant Australia, transmit good news and share photos, show movies or play music from the network.

Invisible

Let's say you are sitting at home or at work. You don't see any base station. But your phone works: calls pass, notifications from VKontakte and WhatsApp arrive, funny videos from YouTube are played. This is because the MTS base station does not have to literally "see" your phone: it knows how to connect to it using a radio signal reflected from walls and other obstacles, and many not too thick walls for a base station are completely translucent, that is, they do not interfere with communication ...

Neighborly

Also, if a base station near your home or office suddenly fails, then your phone will most likely still remain on the network. This is because usually not one base station is "looking after" your mobile phone, but two or even three, and each of them is ready to pick up the fallen banner at any moment. Of course, occasionally it may turn out that there are no other base stations nearby, but MTS always tries to make sure that your base station always has responsive neighbors.

Pass to another

By the way, when you are on the move, the base stations skillfully pass your phone to each other like a baton. You do not need to worry about this at all: MTS base stations are able to negotiate such things among themselves. There are no border quarrels because of the desire to send you an SMS, and a mobile conversation started in the zone of one base station can continue without interruption in the zone of another station, and end near the third or fourth.

Where are you?

When you connect to the base station, it immediately knows that you are somewhere nearby. If your phone is "seen" by three or more base stations, then together they can determine your location very accurately. Geolocation services are built on this, which, for example, help parents to always find out where their children are, and transport companies to control their cars.

Above all

MTS base stations are able to prioritize. It cannot be that someone near you, who needs to download a large movie from the Internet, will take over all the resources of the nearest base station, and you will not even be able to send a comment on Facebook. Moreover, the base station is able to give part of its resources allocated for the Internet for calls. This, for example, is sometimes useful at train stations, where there are a lot of people, while they constantly need to call each other to find each other, inform about their arrival, call a taxi. If the base station sees that somewhere, on the contrary, internet is more necessary, she will take this into account.

Where there are people, there is communication

Mobile communications are available where base stations are located. But where are they placed? It depends on the people, including you. If somewhere in the city too many subscribers begin to constantly claim to be connected to a single base station due to the fact that a new shopping center has opened in this place, MTS will very soon launch another base station nearby - a new one. It is not people who are chasing the MTS mobile network, but it is developing based on their needs, which, as you know, are increasingly flowing into the mobile Internet. It's such an almost magical vicious circle: in recent years, the development mobile network allows us to get more and more from the Internet, and our growing needs for it determine how the mobile network develops.

Start your

You can live or work in a special place, you may have a poorly planned room - in general, where the MTS base station is very difficult to connect to your phone. However, if you have in the same room wired Internet, you can easily get yourself your own MTS base station, for example, this one. Use it alone if you want.

It is safe

So, base stations appear where people need, and someone can buy an MTS base station personally for themselves. However, some still believe that base station radiation is a threat. Such people with anxiety can point a finger at a tower that has appeared nearby and gossip with friends about sudden headaches. In fact, the "rays" of the base station are harmless, and any person receives more radiation from his own mobile phone. By the way, the further from you the base station, the more your smartphone “tries” to be in touch, more and more abundantly pouring radiation on its owner. However, even with such zeal, you have absolutely nothing to worry about, since it is not the extremely weak radiation of the mobile that is dangerous, but talking on it while driving or during a road crossing.

It's fun

MTS strives to introduce new stations in the regions of the country as actively as possible - we know that literally every year high-quality communications and fast mobile Internet mean more and more to people. If an MTS base station appears somewhere near you, this is definitely a good omen!

MTS Coverage Map

In order to provide quality services to subscribers, MTS has created a modern telecommunications infrastructure, including its own networks mobile communications and services available to subscribers.

MTS coverage area

IN this moment the operator offers a whole range of telecommunication services based on three main standards. The coverage map of MTS in the capital and regions is posted on this page, including zones:

2G - cellular telephone connection;
3G - telephony and services, including conference calls, voice mail, access to multimedia and Internet at a limited speed;
4G (LTE) - Internet, access to multimedia and various communication services, TV, video, video communication without speed limit.

At the moment, MTS has deployed a serious technical infrastructure that allows receiving various services communication with the fulfillment of requirements for reliability, security, confidentiality and signal robustness. Work continues on services that will be available to subscribers in the near future.

The proposed coverage map will help you determine if your geographic location falls within the MTS coverage area. At the same time, keep in mind that the Internet speed will be higher if you move no faster than 12 km per hour (namely, on foot or by bicycle), slower if you are in the car. When switching between the coverage areas of Moscow and other regions, seamless switching is carried out, invisible to the subscriber.

To use 4G (LTE), a dedicated USIM SIM card and an LTE device are required.

MTS coverage map in Moscow

MTS is one of 4 companies that is developing the 4G standard in Russia and has dual-band frequencies for this purpose. Almost all major cities in Russia already provide full coverage for all MTS telephone communication standards, including 4G. In terms of the coverage area, LTE is available not only in the ground segment, but also in the metro and underground garages - below is the coverage map of MTS 2017. With MTS you can use one of the most modern and expensive engineering infrastructures in the field of telecommunications with many integrated services.

In Moscow and in the Moscow region, due to the heavy load on the communication networks, deployed backup channels that support high level communications and are flexibly configured to serve all subscribers in the coverage area. If 3G completely covers the capital, then the MTS 4G LTE coverage map, as for a developing standard, has areas of uncertain reception. This information will be useful to you if you want to install a modem for Internet access at home and you need to check zones.

MTS coverage area in Russia

Many subscribers connect to MTS because they know that this company provides the largest reception area in Russia. You will have MTS communication available almost anywhere in the country. If you want to verify this, use the MTS coverage area map in Russia. When doing so, pay attention to the communication standards you usually use and the availability of services wherever you go. The site has a current coverage map for MTS in Crimea, which will be useful to residents of the peninsula to assess the available signal in the area of \u200b\u200bresidence.

Internet speed test from MTS

Subscribers often complain about the insufficient speed of Internet access from MTS. Typically, this can depend on a number of factors:

you are not connected to the 4G standard;
you are in an area of \u200b\u200bpoor 4G reception or there is significant interference at the access point;
the device does not provide reliable signal reception, provided it is in the coverage area.

Each MTS subscriber, purchasing a range of services, first of all, gets access to high-quality communications. For this reason, if it works well for you mobile device, you are in the desired coverage area, you must have normal access to telecommunications services and the Internet, incl.

If it does not happen, you need to record the facts of a decrease in speed, having previously checked your location in the zone of reliable reception, and then conduct a test of the Internet speed from MTS.

How to make an Internet speed test from MTS?

You can check the speed of the Internet using a number of Internet resources. The provider does not offer its own web service, but subscribers can use mobile application or provide data to third party services. What do I need to do:

this can be done from the site http://pr-cy.ru/speed_test_internet/ or the site http://www.speedtest.net/ru/
upon entering, you will see information about the access point in the form of a table;
run a speed test;
write down the data and check with the provision agreement, if you get access in 4G format, the speed must be at least 112 Mbps (outgoing and incoming traffic has different speeds), more detailed information check on the provider's website or in the MTS salon.

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