RU2734282C1 - Cellular communication system - Google Patents

Abstract

FIELD: physics.

SUBSTANCE: invention relates to radio engineering, in particular to a cellular communication system and is intended to optimize operating conditions of mobile cellular radio communication. Cellular communication system comprises interconnected by short-range channels of telephone interface units, each of which includes a transceiver providing short-range wireless communication with a cellular communication concentrator, antenna with transmitter and receiver of powerful radio-frequency communication signals, which connects radio-frequency communication channel of concentrator with cellular base station; one or more interfaces for input/output of content of cellular communication concentrator with external sources/users; at that, additionally contains one or several cellular communication concentrators equipped with medium-range transceivers by means of which they are connected by medium-range radio communication channels with each other and with telephone interface units, also equipped with medium-range transceivers, wherein all components of each cellular communication concentrator are combined by common bus for communication with each other and, through one or more content input/output interfaces, with external sources/users; in addition, each cellular communication concentrator is additionally equipped with at least one antenna with a transmitter and a receiver of powerful RF communication signals connected to a common bus.

EFFECT: technical result consists in increase in throughput capacity of cellular communication system.

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Description

The present invention relates to the field of radio engineering, in particular to a cellular communication system, and is intended to optimize the operating conditions of mobile cellular radio communication.

The speed of development of cellular communications and capital investments in its creation and operation are so great that constant further development, improvement, and the search for additional opportunities to increase the technical and economic efficiency of communication systems are required.

An efficiently operating mobile cellular radio communication system must serve the maximum number of simultaneously operating subscriber stations with high quality of information transmission and reception, while a prerequisite is to ensure a minimum level of mutual interference, both between subscribers and between cells (cells).

In the context of limited bandwidth allocated for cellular mobile communication systems, an increase in the number of users is achieved by reusing operating frequencies, spatial, temporal diversity of emitted signals and the use of effective modulation methods, techniques that need to be developed and determined in each case.

Known described in US patent No. 5943361, publ. 1999.08.24, a mobile cellular communication system and a method for generating a signal in this system by code division multiple access. According to the patent, the base station (BS) contains a device for receiving signals from subscriber stations (SS), including two receiving antennas for receiving signals from the SS and, accordingly, two analog-digital receivers and at least two search receivers and three data receivers, a signal combining unit with a decoder, a control processor, a digital data transmission channel and a device for signal transmission. The device for transmitting BS signals contains a series-connected modulator, a power control control unit, an adder, a transmitter power amplifier connected to a pilot-signal unit, and an antenna for transmitting information in a reverse channel. The known system works as follows. Each receiving antenna of the BS receives a group signal, which consists of the sum of signals from subscriber stations located in the service area of this receiving antenna. The energy of the group signal at the input of each receiving antenna of the BS is equal to the sum of the energies of signals from each of the MS and is the average characteristic of the communication channel. In an analog-to-digital receiver, these signals are converted to digital form and fed to the inputs of search receivers and data receivers. Search receivers scan the region of ambiguity and locate AC signals. Upon detecting the AC signal, the search receivers transmit the information to the control processor. The control processor evaluates the received information signals from the search receivers and transmits control signals to the data receivers. Receivers of data on the control signal process the received signal and issue the processed signal to the signal combining unit with the decoder. The block for combining signals with a decoder performs operations of diversity reception of signals from each specific speaker system coming from the data receivers, decodes them and transmits them to the users' network. The disadvantage of the known system and the described operation algorithm is that they do not allow realizing the required (potential) capacity of a cellular communication cell with an uneven distribution of the AC over the cell area, which limits the possibilities of increasing the system throughput.

A known cellular communication system (MV Ratynsky. Fundamentals of cellular communication. M .: Radio and communication. 2000, pp. 20-31), based on the principle of frequency reuse, built in the form of N cells with a base station in each and areas S _{0, i} , where i varies from 1 to N, covering in total the entire served area, providing radio communication for subscriber terminals located within the cell, containing a switching center common to all base stations of the system. The mentioned center includes a functionally connected central controller, a switch, communication controllers for handing over service from one base station to another when moving subscriber terminals from one cell to another and connecting to other communication systems, and the central controller contains the main controller, which is functionally connected to each other and to the switch. processor, means for assigning radio channels through base stations to subscriber terminals; and means for establishing a predetermined order of access to radio channels. In this case, each base station contains transceiver devices, made to ensure in the aggregate radio coverage of the entire area of the i-th cell, a base station controller and an interface unit with a communication line, sequentially functionally connected to the communication controllers of the switching center, and each subscriber terminal contains functionally connected control unit , a transceiver unit and an antenna unit configured for functional communication with the base station transceiver devices. The known system has limited opportunities to increase its capacity and reduce intra-system communication interference, does not provide savings in the frequency resource and thus does not allow increasing the technical and economic efficiency of the cellular communication system.

Closest to the claimed is the cellular communication system, described, in particular, in Russian patent No. 2439857, publ. 2012.01.10, which reduces the impact of radiation from the telephone antenna on a person. The known system comprises one or more short-range telephones and a cellular hub configured to establish short-range wireless communications with telephones and a communication channel with a cellular base station. The hub contains a user identification module, a memory for storing information valuable to the user, and input / output interfaces for receiving content from external sources. At the same time, the hub provides communication between phones via a short-range wireless communication channel and communication between each phone and a base station by creating a communication channel between the hub and a cellular base station and a short-range wireless communication channel to the phone.

The structure of the known system, in which a plurality of telephone interface units are connected through one cellular concentrator to one cellular base station, does not provide a sufficiently uniform distribution of traffic in space and among the system components. As a result, the known system reveals a lack of communication resources and insufficiently high bandwidth, which does not allow to ensure a sufficiently high quality of received and transmitted information with an increasing number of concurrent users, and is also an obstacle to the development and implementation of new technologies, for example, the Internet of Things - IoT "(IoT is a network of home and industrial electronic devices with a fully automated cycle of operation, which are connected to the Internet, controlled through it and can exchange data with each other via the Internet, local or wireless network).

The objective of the invention is to develop a cellular communication system with a high bandwidth, having sufficient resources to increase traffic and introduce new technologies.

The technical result of the proposed cellular communication system is to increase its throughput due to the most uniform distribution of traffic and the power of electromagnetic radiation in space and between the components of the system of a given configuration: telephone interface units, hubs and cellular base stations, in ensuring the possibility of increasing traffic and introducing new technologies while improving the quality of the received and transmitted information.

The specified technical result is achieved by a cellular communication system comprising interconnected short-range channels of telephone interface units, each of which includes a transceiver providing short-range wireless communication with a cellular concentrator; hardware, including microphone, earpiece, display and keyboard; as well as a circuit with software for controlling the operation of said hardware and for establishing a short-range wireless communication channel between the telephone interface unit and the cellular concentrator; an antenna with a transmitter and receiver of powerful radio frequency communication (RF communication) signals connecting the hub with the cellular base station by an RF communication channel; one or more interfaces of input / output of the content of the cellular concentrator with external sources / users; circuitry that includes a flash memory chip, a read only memory (ROM) chip, a radio frequency (RF) processing and power supply section; radio frequency amplifiers (RF amplifiers); SIM card and corresponding software, while a short-range wireless communication channel communicates between the telephone interface units and external sources / users, and the system, in contrast to the known one, additionally contains one or more cellular concentrators equipped with medium-range transceivers, by means of which they are connected by medium-range radio communication channels with each other and with telephone interface units, also equipped with medium-range transceivers, while the mentioned concentrators are connected by short-range wireless communication channels with telephone interface units, and all components of each cellular concentrator are connected by a common bus to communicate with each other and, through one or more content input / output interfaces, with external sources / users; in addition, each cellular concentrator is additionally equipped with at least one antenna with a transmitter and receiver of powerful RF communication signals connected to a common bus.

In an advantageous embodiment of the proposed cellular communication system, each cellular communication concentrator is configured for simultaneous radio communication with different cellular base stations of one or different operators.

Also in an advantageous embodiment of the proposed system, each powerful RF communication channel connects a corresponding cellular base station equipped with a corresponding antenna to a transmitter and receiver of strong RF communication signals, which in turn are connected to a common bus.

To enable the implementation of eSIM technology, a memory block and a common bus connecting all elements of the block are additionally included in the telephone interface blocks, in addition, these blocks are equipped with user identification modules and secondary identification cards, while each cellular communication concentrator has an additional at least one user identification module connected to the common bus.

The proposed cellular communication system is shown in the drawings, where FIG. 1 shows its general structural block diagram, and FIG. 2 - one of the blocks of the general block diagram, the instrumental component and software of which are designed to maintain short-range wireless communication between the components of the system.

The following symbols are used in the drawings:

1 - one or more telephone interface blocks;

2 - short-range channels;

3 - transceiver;

4 - cellular concentrator;

5 - microphone; 6 - earpiece; 7 - display; 8 - keyboard;

9 is a first diagram with associated software that controls the operation of the hardware and the installation of a short-range wireless communication channel of the telephone-hub interface units;

10 - transceiver;

11 - antenna with transmitter and receiver of powerful RF communication signals;

12 - powerful RF communication channel;

13 - cellular base station;

14 - blocks of content input / output interfaces;

15 - external sources / users;

16 is a diagram including hardware and software supporting short-range wireless communication between units 1; and / or communication between each of said users 1 and said cellular base station 13 by creating a powerful RF communication channel 12 between said cellular concentrator 4 and said cellular base station 13; and / or connections via short-range wireless communication channel 2 with said telephone interface units 1; or connections between each of said telephone interface units 1 and said external 15 sources / users via said short-range wireless communication channel 2;

17 - user identification module (identification card);

18 - memory module;

Elements 19-24 are part of the above circuit 16 with software, where:

19 - flash memory chip;

20 - ROM chip;

21 - RF section;

22 - power supply unit;

23 - RF amplifiers;

24 - SIM card;

The RF section 21 is connected via a series-connected SIM card 24, a ROM chip 20 with a flash memory chip 19, while the ROM chip 20 is connected via a separate communication bus through an RF amplifier 23 to an RF section 21, which is the input and output of the circuit 16 equipped with software.

All components of the circuit 16 are powered by individual electrical lines from unit 22.

25 - secondary identification card;

26 - input / output interfaces;

27 - medium-range radio communication channels;

28 - medium range transceivers;

29 - common bus.

To the common bus 29 is connected the RF section 21, which is part of the circuit 16.

30 - memory block;

31 - common bus of the telephone interface unit.

Thus, the proposed cellular communication system contains one or more telephone interface units 1 connected by short-range channels 2. Each of the blocks 1 contains the following hardware: a transceiver 3 for providing short-range wireless communication with a cellular concentrator 4; 5 microphone; 6 earphone; 7 display; 8 keyboard; and also a circuit 9 with software for controlling the operation of said hardware and for establishing a short-range wireless communication channel 2 with a hub 4. The cellular communication hub 4 contains a transceiver 10 for establishing a short-range wireless communication channel 2 with said telephone interface unit 1 via located in block 1 transceiver 3; an antenna with a transmitter and receiver 11 of high-power radio frequency communication (RF communication) signals connected by a high-power RF communication channel 12 to the cellular base station 13; one or more interfaces 14 I / O content of the concentrator 4 cellular communication with external 15 sources / users. The circuit 16 and the corresponding software are used to establish communication between the telephone interface units 1 via short-range wireless communication channel 2 or communication between each of the said telephone interface units 1 and the cellular base station 13 by creating a powerful RF communication channel 12 between the said cellular concentrator. communication 4 and the above-mentioned cellular base station 13 and connections through the channel 2 of wireless communication of a short range with the said unit 1 interface of the telephone. This scheme can also serve for connection between each of the mentioned units 1 of the interface of the telephone (users) and external sources / users 15 via a short-range wireless communication channel 2.

The system also includes a user identification module 17 and a memory module 18 for storing information valuable to said user, and the telephone interface unit 1 is made in the form of a cellular telephone.

A short-range wireless communication channel 2 communicates between the telephone interface unit 1 and a cellular hub 4, and a powerful RF communication channel 12 connects the cellular hub 4 to a cellular base station 13.

In the presence of a plurality of subscriber terminals in the system, connected to each other directly by radio channels with a short range and additionally by channels with an average range, thanks to communication with cellular base stations, carried out through at least two concentrators, taking into account the possibility of data exchange with cellular base stations of different cellular operators, the proposed system allows you to significantly increase the total traffic with such a distribution in space, when the traffic is maximally closed within a subsystem limited by cellular concentrators, without a significant increase in the traffic intensity through cellular base stations.

In practice, the proposed system leads to the most uniform distribution of the number of telephone interface units between the coverage areas of both concentrators and various cellular base stations.

A noticeable increase in traffic, including, if necessary, Internet of Things traffic, will not lead to an overload of the network of cellular operators; in principle, an acceptable level of interference for neighboring radio components of the system will remain. Thus, the distribution of the electromagnetic field of radiation in space between different cellular operators using a variety of radio components of the system will reduce the level of mutual interference, distribute traffic across channels and ensure that the quality of communication is maintained at an acceptable level for users.

The possibility of increasing the computing power of the distributed units of interfaces of telephones and cellular concentrators is an incentive for their gradual modernization and replacement, which can also be attributed to the advantages of the proposed technical solution.

Claims (4)

1. A cellular communication system containing interconnected short-range channels of telephone interface units, each of which includes a transceiver providing short-range wireless communication with a cellular hub, as well as hardware including a microphone, earpiece, display and keyboard; circuitry and software for controlling the operation of said hardware and for establishing a short-range wireless communication channel between the telephone interface unit and the cellular hub; an antenna with a transmitter and receiver of high-power radio frequency communication signals connecting the hub with a cellular base station with a radio frequency communication channel; one or more interfaces of input / output of the content of the cellular concentrator with external sources / users; a software circuit that includes a flash memory chip; ROM chip; RF and power supply section; RF amplifiers; SIM card, while a short-range wireless communication channel communicates between the telephone interface units and external sources / users, characterized in that it additionally contains one or more cellular concentrators equipped with medium-range transceivers, with which they are connected by medium-range radio communication channels ranges with each other and with telephone interface units, also equipped with medium-range transceivers, with all components of each cellular hub connected by a common bus for communication with each other and, via one or more content input / output interfaces, with external sources / users; in addition, each cellular communication concentrator is additionally equipped with at least one antenna with a transmitter and receiver of powerful RF communication signals connected to a common bus. 2. The system of claim. 1, characterized in that each cellular concentrator is configured for simultaneous radio communication with different cellular base stations of one or different operators. 3. The system of claim. 1, characterized in that each channel of powerful radio frequency communication connects the corresponding cellular base station, equipped with a corresponding antenna, with a transmitter and receiver of powerful radio frequency communication signals, and these, in turn, are connected to a common bus. 4. The system according to claim 1, characterized in that the phone interface units additionally include a memory unit and a common bus connecting all the unit's elements, in addition, these units are equipped with user identification modules and secondary identification cards, while each hub cellular communication, at least one user identification module connected to the common bus has been additionally introduced.

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