RU2754639C1 - Cell phone - Google Patents

Abstract

FIELD: wireless communication.

SUBSTANCE: invention relates to the field of mobile wireless communication devices, namely to devices with repeater functions. For high quality communication, a cell phone placed in a housing with terminal elements and equipped with an antenna contains a receiver, a transmitter, a monitoring and control unit with permanent and RAM blocks, a keyboard, a display, a power supply unit, a voice communication unit, a voice activity detector, an encryption-decryption unit, analog-to-digital and digital-to-analog converters, a speech encoder and decoder, a channel encoder and decoder, as well as an equalizer, while all its nodes and components are interconnected by a system bus consisting of a data bus, an address bus and control bus. In addition, the phone includes at least two subscriber identification modules combined into a unit connected to the controller, in turn, by means of a system bus connected to the monitoring and control unit. At the same time, the phone is equipped with a second monitoring and control unit and a second controller, and also contains a relay support unit that combines electronic identification modules for users with cellular repeater phones, a relay receiver with a receiving antenna and a relay transmitter with a transmitting antenna.

EFFECT: provision of transit communication between a subscriber located in the area of unstable information exchange, but available for radio communication with such a repeater phone, with one of the nearest base stations, including those belonging to another telecom operator, which ensures stable information exchange between subscribers located outside the coverage area of the base station or on its border, due to partial replacement of the base station and support for these subscribers of high quality communication.

2 cl, 1 dwg

Description

The invention relates to mobile wireless communication devices, in particular, to cellular telephones with advanced functions, namely, with the functions of a repeater capable of providing between a subscriber in the area of unstable information exchange, but available for radio communication with such a repeater telephone, transit communication from one of the nearest base stations, including one belonging to another telecom operator. Thus, the proposed cell phone can be used as a connecting link that ensures stable information exchange between subscribers who are outside the 100% coverage area of the base station, for example, at the border of this area, partially replacing the base station and maintaining high communication quality for these subscribers.

Problems of reliable mobile communication are typical not only for districts remote from the centers of civilization, they arise in urban semi-basement offices and shopping centers, in tunnels, in buildings with a complex structure of floors. In addition, the constant increase in the volume of transmitted information in mobile networks, especially in large cities with a developed infrastructure, requires a continuous search for optimal methods to ensure electromagnetic compatibility (EMC).

Most often, one or more extended base stations connected to the primary base station are connected to the primary base station to expand coverage or when the network load increases due to the addition of functions such as Internet access, music streaming, printing, with each other using Ethernet cables or wirelessly.

However, the connection of additional base stations, firstly, can lead to a decrease in the network bandwidth (up to 60% of the bandwidth of a separate device in the case of using an extended wireless network), since some of it will be required for service functions. Secondly, this installation complicates the network configuration, contrary to the general rule, which is to keep its structure as simple as possible, for which it is necessary to use the minimum number of base stations to service the entire area under consideration, using wired connections wherever possible. In addition, all extended base stations must be in direct communication with the primary base station, because if another extended Wi-Fi base station (3) is placed between the primary base station (1) and the extended base station (2), then the latter will not allow users to log on to the network.

Another approach to solving the problem of communication between subscribers located in the area of unstable information exchange, including those caused by excessive network congestion, is the organization of additional communication channels between the base station serving them and the nearest base stations of other operators.

A known mobile phone is capable of switching from a public cellular network to a private one (CN108055682, publ. 2018.05.18), while for it the public and private networks can be combined with high-speed 4G Internet for sharing. When the performance of one network decreases, the phone automatically switches to the other, and the user does not feel the network switching and service is not interrupted during the switching process. The application of this method by various operators of existing networks in practice allowed to minimize the costs of creating a new cellular communication network. However, the ability to switch a known telephone during communication to a more productive operator does not completely solve the problem of increasing the reliability of communication in the area of unstable information exchange, while, due to its design features, the known telephone cannot also provide an extension of the coverage area of the base station.

As the closest to the proposed one, a structurally similar cell phone (RU2319322, publ. 2008.03.10) was selected, which contains an antenna, receiving and transmitting units, a monitoring and control unit with a block of permanent and random access memory, a block of subscriber identification modules (SIM block -cards), keyboard, display and power supply, interconnected by means of a system bus, which includes a data bus, an address bus and a control bus, as well as such elements necessary for operation as an analog-to-digital converter (ADC), a speech encoder and decoder, channel encoder and decoder, digital-to-analog converter (DAC), equalizer, message encryption and decryption unit, speech activity detector, housing and terminal elements. The presence in a known telephone of a subscriber identification module unit connected through a controller and a system bus with a monitoring and control unit, provides, if necessary, the possibility of replacing a mobile operator, makes it possible to simultaneously have several numbers and provide its subscribers for calls with different numbers, differentiating them by appointment (for example, for official conversations with business partners, personal conversations with friends, for communication with close relatives, etc.). The noted improvement of the communication system directly with the help of cell phones, equipped accordingly, is rational from a technical point of view and economically beneficial.

However, a change of operator may not always provide the desired result when delivering information to subscribers who are in the zone of uncertain information exchange. The known cell phone is unable to solve the problem of providing reliable and high-speed information delivery to subscribers located near the boundary of the coverage area of the base station and, moreover, outside of it.

The object of the invention is to develop a mobile communication device in the form of a cellular telephone, providing reliable high-speed information exchange for subscribers in the area of insufficiently confident information exchange, as well as in the case of a congested network.

The technical result of the proposed cell phone, equipped with a retransmission function, is to improve the stability and increase the speed of information exchange when servicing subscribers who are outside the coverage area of the base station or at its border, by organizing for them communication channels with the nearest base stations of other operators using this phone as a repeater.

The specified technical result is achieved by a cell phone placed in a housing with terminal elements and equipped with an antenna, which contains a receiver, a transmitter, a monitoring and control unit with permanent and random access memory units, a keyboard, a display, a power supply unit, a voice communication unit, a voice activity detector, an encryption unit -decryption, analog-to-digital and digital-to-analog converters, speech encoder and decoder, channel encoder and decoder, equalizer and at least two subscriber identification modules, and all nodes and components of the telephone are interconnected by means of a system bus, consisting of a data bus, address bus and control bus, these modules are combined into a unit connected to the controller, in turn, through the system bus connected to the monitoring and control unit, while, unlike the known, the telephone additionally contains a second control and management unit and a second controller, as well as a block for providing retransmission, combining in its composition all electronic subscriber identification modules, owners of cell phones with a retransmission function, a retransmission receiver with a receiving antenna and a retransmitting transmitter with a transmitting antenna.

In an advantageous embodiment of the invention, in order to enhance the directional properties of the cellular telephone antennas used, they are enlarged and spaced apart in their maximum dimensions.

The drawing shows a block diagram of the proposed cell phone, which includes the following structural elements: receiver 1, transmitter 2, monitoring and control unit 3 with permanent and random access memory, keyboard 4, display 5, power supply 6, voice communication unit 7, voice activity detector 8, block of encryption-decryption 9, analog-to-digital (ADC) 10 and digital-to-analog (DAC) 11 converters, encoder 12 and decoder 13 of speech, encoder 14 and decoder 15 of the channel, as well as equalizer 16, interconnected by means of the system bus 17, which includes a data bus, an address bus and a control bus. The proposed telephone also contains at least two subscriber identification modules 18, combined into a block 19 associated with the controller 20, which, in turn, through the system bus 17 has the ability to communicate with other nodes and elements of the telephone. The telephone is equipped with an antenna 21 and is placed in a housing 22 with terminal elements 23 attached to it. In addition, the telephone also contains at least two electronic modules 24 for identifying subscribers participating in the relay, whose cellular telephones are equipped with the corresponding function. The aforementioned modules 24 are combined into a relaying unit 25 connected to the second controller 26, which, in turn, is connected via the system bus 17 to the second monitoring and control unit 27. To the system bus 17, a relay receiver 28 with a receiving antenna 29 and a relay transmitter 30 with transmitting antenna 31.

An increase in the spacing of the antenna elements and the dimensions of the antennas 21, 29 and 31 themselves makes it possible to enhance their directional properties for both reception and transmission through the use of digital directional shaping technologies in the reception and transmission modes. An increase in the directional properties of antennas leads to an increase in their gain, which improves the selection of signals in direction and an increase in the signal-to-noise ratio, and also makes it possible to increase the reliability and stability of communication (reduce the probability of errors, thereby reduce the time for retransmission, increase the channel throughput communication and telephone as part of a cellular communication system).

Monitoring and control unit 3 is a digital signal processor (DSP) with read only memory (ROM), which contains a program that coordinates the operation of the processor, and with random access memory (RAM) intended for temporary storage of data and the results of logical or mathematical operations which are produced by the aforementioned processor. The coordination of the operation of the relaying complex is performed by the second control and management unit 27, coordinating its work with the control and management unit 3, or, more precisely, subordinate to it.

The controller 20 ensures the interaction of the monitoring and control unit 3 with each of the subscriber identification modules 18 installed in the unit 19, while the second controller 26 in a similar way ensures the interaction of the monitoring and control unit 27 with the electronic subscriber identification modules 24 located in the unit 25 (representing are remotely configured and reconfigurable by the command of base stations electronic SIM-cards). The use of electronic SIM-cards (eSIM-cards) allows downloading from the base station of the nearest cellular operator the information necessary in a particular situation to implement the relay mode.

The second controller 26 connects the unit for providing relay 25, containing electronic modules 24 for identifying subscribers, owners of relaying cell phones, with the second control and management unit 27. When operating in the repeater mode, the receiving antenna 29, the specified unit 27 ensures the passage of the received signals through the receiving unit 28 of the relay complex and the system bus 17 to the transmitter 30 of the relay complex with the transmitting antenna 31. The appropriately processed signals are immediately emitted by the transmitter 30.

The presence of the second controller 26 also makes it possible to distribute data streams according to a given exchange protocol, binding them to the numbers of user identification modules (numbers) and numbers of electronic identification (eSIM cards) as trusted elements of base stations of various telecom operators (located at a distance of confident information exchange).

The presence of two blocks of subscriber identification modules (a block of SIM cards and a block of eSIM cards), each of which, as a rule, contains more than two of them, and two simultaneously operating blocks of transmitters and receivers, each with its own antenna, makes it possible to implement simultaneous uninterrupted operation of information channels providing the retransmission mode, and information channels of the regular mode of operation of a cell phone to service users.

As a result, the proposed cell phone assumes the implementation of some of the functions of the nearest base station, forms transit communication channels with base stations of other operators, provides stable information interaction with the subscriber or subscribers outside the coverage area of the base station, and thereby expands the mentioned area.

The proposed cell phone allows at the same time, with the appropriate spacing of the receiving and transmitting antennas, to exchange information with other subscribers, at least on behalf of two SIM cards, and exchange with base stations on behalf of eSIM relay cards. At the same time, other cell phones “do not notice” that they are working with the base station through a cell phone with a repeater function, without having direct contact with it.

The advanced technical capabilities of the proposed phone allow, taking into account the periodic decline in user activity, to organize additional relay channels with partial implementation of the relay mode, which allows receiving signals from the base station and, on behalf of the eSIM card of the repeater, transmit them to another subscriber through the second controller 26 and system bus 17 with the help of the transmitter 30 and the transmitting antenna 31 included in the complex, which provides retransmission, using some of the elements that are not currently used, for example, antenna 21. Other options for additional use of the technical capabilities of the proposed cell phone are possible, allowing to increase the profitability of the application such phones and the additional benefits that provide them.

The use of cell phones in the repeater mode is carried out automatically with fully preserved standard technological processes that ensure stable communication without affecting the user's capabilities, without violating his rights. However, this use requires the strictly mandatory prior consent of the user.

The relay mode is not available to the user for control, while the operation of equipment, including the power supply unit, is subject to control by cellular operators, which will receive additional income from increasing the number of subscribers served and improving the quality of service by expanding the area of confident information exchange with subscribers on the boundary of the base station, but having the ability to communicate in relay mode through a cell phone with advanced functions. The use of telephones with advanced functions already in the amount of about 5% of the total mass of cell phones will allow the mobile operator to relieve tension in the event of traffic congestion, while qualitatively and quantitatively increasing the efficiency of servicing a large number of subscribers.

In general, the operation of the proposed phone is similar to that of a conventional cell phone with multiple SIM cards.

Claims (2)

1. A cell phone placed in a housing with terminal elements and equipped with an antenna containing a receiver, a transmitter, a monitoring and control unit with permanent and random access memory units, a keyboard, a display, a power supply unit, a voice communication unit, a voice activity detector, an encryption-decryption unit , analog-to-digital and digital-to-analog converters, speech encoder and decoder, channel encoder and decoder, as well as an equalizer, all nodes and components of which are interconnected by means of a system bus consisting of a data bus, an address bus and a control bus, which includes not less than two subscriber identification modules combined into a unit connected to the controller through the system bus connected to the monitoring and control unit, characterized in that it additionally contains a second monitoring and control unit, a second controller, and a relaying unit that combines electronic modules for identifying subscribers, owners of cell phones with the function relay, a relay receiver with a receiving antenna and a relay transmitter with a transmitting antenna. 2. The cell phone of claim. 1, characterized in that it contains enlarged antennas, which are spatially separated by its maximum dimensions.

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