WO2011081557A1 - Procédé de transmission de données dans un système de communication cellulaire, et système de mise en œuvre - Google Patents

Procédé de transmission de données dans un système de communication cellulaire, et système de mise en œuvre Download PDF

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Publication number
WO2011081557A1
WO2011081557A1 PCT/RU2010/000367 RU2010000367W WO2011081557A1 WO 2011081557 A1 WO2011081557 A1 WO 2011081557A1 RU 2010000367 W RU2010000367 W RU 2010000367W WO 2011081557 A1 WO2011081557 A1 WO 2011081557A1
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WO
WIPO (PCT)
Prior art keywords
microcellular
data
cellular
communication
subsystem
Prior art date
Application number
PCT/RU2010/000367
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English (en)
Russian (ru)
Inventor
Юрий Алексеевич ГРОМАКОВ
Кирилл Сергеевич НАСТАСИЙ
Владимир Вячеславович РОДИОНОВ
Original Assignee
Gromakov Yury Alexeevich
Nastasin Kirill Cergeevich
Rodionov Vladimir Vyacheslavovich
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gromakov Yury Alexeevich, Nastasin Kirill Cergeevich, Rodionov Vladimir Vyacheslavovich filed Critical Gromakov Yury Alexeevich
Publication of WO2011081557A1 publication Critical patent/WO2011081557A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • the invention relates to the field of radio communications and, more specifically, to cellular communication systems, as well as other wireless systems, in particular cognitive radio, intended for voice and data transmission at high speed.
  • GSM Global System for Mobile Communications
  • MS mobile terminals
  • Frequency reuse schemes, frequency clusters imply a minimum set of frequency groups (or one frequency) in cells and their spatial separation, at which mutual interference of transceivers (TRX) of base stations operating at matching frequencies.
  • TRX transceivers
  • TRX transceivers operating at new frequencies are installed in each base station.
  • K 7
  • N l 4
  • the standard cellular communications for example, GSM, defines the main working frequency bands for the GSM 900 band: 890-915 / 935-960 MHz, for GSM 1800: 1710-1785 / 1805-1880 MHz; and for E-GSM: 880-890 / 925-935 MHz.
  • the data transfer speed in known cellular communication systems is relatively low, which does not allow the exchange of multimedia content, and transmit high-quality video images, provide high-speed Internet access, etc.
  • Trends in the development of the market for cellular services and wireless access systems require an increase in the data transfer speed, especially in a small service area (see, for example, Gromakov Yu.A. Concept for the development of mobile and wireless public communications. Electrosvyaz N ° 12 2008 ., p. 51-57).
  • hybrid cellular network system (“base station subsystem in a mobile wireless communication system”), containing at least one base station transceiver that communicates via a radio interface with a plurality of mobile stations operating in accordance with many different protocol standards, including at least one first mobile station operating in accordance with the first standard om protocols, and at least one second mobile station operating in accordance with the second protocol standard and a paging / access manager, who for each call between the base station subsystem and one of the plurality of mobile stations routes the call through the network in accordance with the mobile protocol standard stations, many call processing units that connect the base station subsystem with many networks in accordance with various standards of the respective interfaces, and hell inistrator paging / access manager determines the respective protocol standards of mobile stations placing calls via the base station subsystem and routes the calls accordingly to call processing units that are associated with the respective protocol standards (see. Patent RU2263399C2, Cl. ⁇ 04 ⁇ 7
  • the closest to the proposed method of data transmission in a cellular communication system is a method of communicating with mobile stations in a mobile wireless communication system, including many mobile stations operating in accordance with many different protocol standards, including initiating a call between the base station subsystem and one of multiple mobile stations, defining a protocol standard for a mobile station, and selecting one of the many networks in accordance with this definition and route ization call between a base station and a network in communication with the base station in accordance with the protocol standard of the mobile station (See. Patent RU2263399C2, Cl. N04V7 / 26 dated 29.12.2000).
  • this method does not provide the use of free frequencies in the cellular communication system to increase the data transfer rate, and the task of increasing the data transfer rate is solved by using additional resources and equipment of the cellular communication network.
  • the inventions are based on the task of increasing the data transfer rate, especially in a small service area, by increasing the utilization rate of the operating frequencies of the cellular communication system.
  • the problem is solved in that in a method of transmitting data in a cellular communication system containing a subsystem of microcellular communications, according to the invention, continuous broadcasting of the ether in a given frequency band is carried out using a base station of a subsystem of microcellular communications to determine data on frequency ratings and signal level in working channels cellular communication systems, determine the free frequencies at the location of the above base station subsystem microcellular communications, and then form at free frequencies and ne transmit information data to mobile microcellular communication terminals, taking into account the need to ensure electromagnetic compatibility of the transmitted data signals and cellular signals, the frequency band of the signals of transmitted information data being chosen not exceeding the bandwidth of the cellular communication system, while the information data contains the information necessary to establish duplex radio channel for data exchange with a mobile terminal microcellular communication in accordance with standard protocol E exchanging data and comprise data requested by the mobile terminal microcellular communication
  • the problem is solved in that in a method for transmitting data in a cellular communication system comprising a microcellular subsystem, continuous broadcasting of the ether in a predetermined frequency band is carried out using a base station of the microcellular subsystem to determine data on frequency ratings and level signals in the working channels of the cellular communication system, determine the free frequencies at the location of the aforementioned base station of the microcellular communication subsystem, then generate free data at the free frequencies and transmit information data to the mobile terminals of the microcellular communication, taking into account the need to ensure electromagnetic compatibility of the transmitted data signals and cellular signals, moreover, the bandwidth of the signals of the transmitted information data is selected not exceeding the bandwidth of the cellular system communication, while the information data contains the information necessary to establish a simplex radio data channel to the mobile terminal of microcellular communication in accordance with standard data transfer protocols and contain the data requested by the mobile terminal of microcellular communication through another radio data channel, for example, via the system data channel cellular communications, and on the mobile terminal of microcellular communications, the
  • the cellular communication system for transmitting data comprises a plurality of mobile cellular communication terminals, a plurality of mobile microcellular communication terminals and a core network including a network control and monitoring center interconnected with the cellular communication subsystem and subsystem microcellular communication
  • the cellular subsystem contains P base stations of a cellular communication, where P is an integer interconnected through M controllers of base stations of a cellular communication, where M is an integer, with a cellular switching center, the input-output of which is the input-output of the cellular subsystem, and the microcellular subsystem, contains R microcellular base stations, where R is an integer interconnected through L microcellular controllers , where L is an integer with a microcellular switching center, the input-output of which is the input-output of the microcellular subsystem
  • each base station of the microcellular subsystem contains an antenna to which through an antenna switch Are the input of the scanning receiver and the first input of the receiver connected, the outputs of which are
  • the essence of the invention is to maximize the use of the allocated frequency resource of the cellular communication network by the subsystem of microcellular communications to increase the transmission speed of data and other messages with the possibility of adaptive detection of unoccupied frequency channels of cellular communications by base stations and mobile terminals of the microcellular network in order to use them to transmit data at high speed through complementary microcellular cellular network.
  • Figure 1 Seven-element cluster of frequency reuse in base stations with a circular radiation pattern of base stations of a cellular network
  • Figure 2 Twelve-element frequency reuse cluster in a cellular network with three-sector base stations
  • Fig.Z Options for combining cells of cellular and microcellular communications
  • Figure 4 Cellular communication system for data transmission
  • the existing topology of the cellular communication network is superimposed on a complementary microcellular cellular communication network operating in the same frequency ranges as the cellular network, but characterized by a smaller radius of the cells (FIG. 3), in which, according to the invention, it is carried out using the basic stations of the subsystem of microcellular communication continuous scanning of the ether in a given frequency band to determine data on the frequency ratings and signal level in the working channels of the cellular communication system, determine free (not occupied) frequencies at the location of the above base station of the microcellular communications subsystem.
  • the base station of the subsystem of microcellular communication at free frequencies generates and transmits information data to the mobile terminals of the microcellular communication, taking into account the need to ensure electromagnetic compatibility transmitted data signals and cellular signals.
  • the bandwidth of the signals of the transmitted information data is selected not exceeding the frequency bandwidth of the channels of the cellular communication system.
  • the information data transmitted in microcellular communication channels contains the information necessary to establish, for example, a duplex radio data exchange channel with a microcellular mobile communication terminal in accordance with the standards of communication protocols and contain data requested by the microcellular mobile communication terminal via this radio channel or another radio channel data transmission.
  • a mobile cellular communication terminal scans the air in a given frequency band to search for information data containing information for establishing a duplex radio data exchange channel with a base station of a microcellular communication subsystem, after which they communicate on free frequencies of a cellular communication system selected by a base station of a microcellular communication subsystem.
  • continuous broadcasting of the ether in a given frequency band is carried out using a microcellular communication mobile terminal to determine data on the signal level and frequency ratings in the working channels, free frequencies are determined at the location of the above-mentioned mobile terminal, and this information is transmitted to the base station of the microcellular communication subsystem establishing, for example, a duplex radio channel for exchanging data with a microcellular mobile terminal in accordance with standard data exchange protocols.
  • OFDM Orthogonal Frequency Division Multiplexing
  • a simplex radio channel for data exchange from the base station of the microcellular communication subsystem is used, and data is transferred in the opposite direction via another radio data channel, for example, via the data channel of a cellular communication system.
  • a cellular communication system for transmitting data includes a plurality of mobile terminals 1-1; ...; 1-A cellular communication, where A is an integer, a plurality of mobile terminals 2-1; ...; 2-B microcellular communication, where B is an integer and a core network 3, including a center 4 for controlling and monitoring a cellular network, interconnected with a subsystem 5 of a cellular communication and a subsystem of 6 microcellular communications.
  • Cellular subsystem 5 comprises P base stations 7-1; ...; 7- P cellular communication, where P is an integer interconnected through M 000367
  • Subsystem 6 microcellular communications contains R base stations 10-1; ...; 10-R microcellular communications, where R is an integer interconnected through L controllers 11-1; ...; 11 -L microcellular communication, where L is an integer, with a switching center 12 microcellular communication, the input-output of which is the input-output of the subsystem 6 microcellular communication (figure 4).
  • Each base station 10-1 of the microcellular communication subsystem contains an antenna 13, to which the input of the scanning receiver 15 and the first input of the receiver 16 are connected through the antenna switch 14, the outputs of which are connected to the corresponding inputs of the microcellular communication processor 17, the first output of which is connected to the antenna through the transmitter 18 switch 14, and the second output is connected to the second input of the receiver 16 (Fig. 5).
  • Each mobile terminal 2-1 of the microcellular communication contains an antenna 19, to which through the antenna switch 20 is connected the first input of the receiver 22, the output of which is connected to the first input of the processor 23 of the microcellular communication, the first output of which is transmitted through the transmitter 21 to the input of the antenna switch 20, and the second the output is to the second input of the receiver 22, and the processor 23 microcellular communication is interconnected with the processor 24 of the cellular communication (Fig.6).
  • each mobile terminal 2-1 of the microcellular communication may further comprise a scanning receiver 25, the input of which is connected to the antenna switch 20, and the output to the second input of the processor 23 of the microcellular communication.
  • the proposed method for transmitting data in cellular communication is based on the fact that in order to increase the data transfer speed of the cellular network connection (for example, GSM), as well as improving the efficiency of using the allocated frequency resource, a microcellular cellular communication network is created (Fig.Z), and in the microcellular network separate isolated microcells, groups of microcells of various configurations or frequency clusters providing focal or continuous coverage can be used communication zones.
  • a microcellular cellular communication network is created (Fig.Z)
  • Frequencies not used in cells of a cellular communication system can be used both to create a microcellular network based on the standard of a cellular communication system, and other communication standards.
  • the proposed method of data transmission in cellular communication belongs to the class of cognitive radio systems, because it uses a busy frequency range for work, provides adaptive search at busy frequencies, followed by adaptation of base stations and mobile terminals of the microcellular network to transmit and receive signals in free at a given time and in a given place cellular communication channels.
  • Such a radio system is capable of accumulating information about its operating conditions, is capable of dynamically and independently adapting its operating parameters to the appropriate environment, and is able to remember the results of its actions and the models used for a given environment ”(see Kwang-Cheng Chen. Ramjee Prasad. Cognitive Radio Networks. John Wiley & Sons Ltd, 2009, 359p).
  • the mobile terminal of the microcellular network can be implemented as a standalone device or in a combined version in one housing with the mobile terminal of the cellular network.
  • the mobile terminals of the microcellular and cellular networks can be connected to mobile and stationary terminals using Bluetooth (the maximum speed supported by the interface is 723.2 kbit / s) or Wi-Fi (maximum speed is 54 Mbps), or through wired interfaces (USB, PCMCIA, ExpressCard and others).
  • K - frequency reuse factor (cluster size); n is the number of sectors of the base station;
  • m is the number of TRX in one cell or sector.
  • the data rate in a cell of a microcellular network is defined as the product of the number of idle channels F and the data rate per channel.
  • the maximum data transfer rate may be 384 kbit / s per channel.
  • the maximum data transfer rate in a cell of a cluster of seven cells with two TRX transceivers in each cell can be:
  • the stated advantages of the proposed technical solutions provide the possibility of wide industrial use in the field of radio communications and can improve the efficiency of cellular communication systems by using the maximum possible number of free cellular frequencies that are not used at this place at this time, resulting in an increase in data transfer speed and provides the opportunity to increase the capacity of the cellular network.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention se rapporte aux systèmes de communication cellulaire, et son résultat technique consiste en une augmentation de la vitesse de transmission de données dans un système de communication cellulaire. A cette fin, le système comprend un sous-système de communication micro-cellulaire. En utilisant une station de base du sous-système de communication micro-cellulaire, on effectue un balayage ininterrompu des ondes dans une bande de fréquences donnée afin de déterminer des données sur les puissances nominales des fréquences et sur le niveau des signaux dans les canaux fonctionnels du système de communication cellulaire, après quoi on détermine les fréquences libres et on envoie vers les terminaux mobiles du sous-système de communication micro-cellulaire des données d'information en tenant compte de la nécessité d'assurer la compatibilité électromagnétique des signaux de données transmis et des signaux de communication cellulaire. Au niveau d'un terminal mobile du sous-système de communication micro-cellulaire, on effectue un balayage des ondes dans une bande de fréquences donnée afin de rechercher les données d'information contenant des indications pour établir un canal radio duplex d'échange de données, après quoi on établit la communication sur ledit canal radio duplex ou simplex en tenant compte des indications reçues sur les fréquences libres du système de communication cellulaire, qui sont choisies par la station de base du sous-système de communication micro-cellulaire.
PCT/RU2010/000367 2009-12-30 2010-06-30 Procédé de transmission de données dans un système de communication cellulaire, et système de mise en œuvre WO2011081557A1 (fr)

Applications Claiming Priority (2)

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RU2009149054/07A RU2454043C2 (ru) 2009-12-30 2009-12-30 Способ передачи данных в системе сотовой связи и система для его реализации
RU2009149054 2009-12-30

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5280472A (en) * 1990-12-07 1994-01-18 Qualcomm Incorporated CDMA microcellular telephone system and distributed antenna system therefor
RU2288509C1 (ru) * 2005-10-14 2006-11-27 Общество с ограниченной ответственностью "АЛЬТОНИКА" (ООО "АЛЬТОНИКА") Способ мониторинга, сопровождения и управления наземными транспортными средствами

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5280472A (en) * 1990-12-07 1994-01-18 Qualcomm Incorporated CDMA microcellular telephone system and distributed antenna system therefor
RU2288509C1 (ru) * 2005-10-14 2006-11-27 Общество с ограниченной ответственностью "АЛЬТОНИКА" (ООО "АЛЬТОНИКА") Способ мониторинга, сопровождения и управления наземными транспортными средствами

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GROMAKOV YU. A.: "Standarty i sistemy podvizhnoy radiosvyazi.", TEKHNOLOGII ELEKTRONNYKH KOMMUNIKATSY., vol. 67, 1996, MOSCOW, pages 10 - 16, 22, 31-34, 39, 40, 61-63, 87-90 *
M. V. RATYNSKY.: "Osnovy sotovoy svyazi.", RADIO I SVYAZ, 2000, MOSCOW, pages 20 - 29 *

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RU2454043C2 (ru) 2012-06-20

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