KR20100107342A - Intergrated mobile telecommunication digtal optical repeater system - Google Patents

Abstract

PURPOSE: An integrated mobile telecommunication digital optical repeater system is provided to integrate the hubs of a WiBro relay station, a PCS relay station, and an IMT-2000 relay station into one hub to eliminate the costs for installing, operating, and maintaining a relay system for each terminal which receives a service. CONSTITUTION: A WiBro base station(200) receives a service signal from a central server of a provider which provides the service signal, and a PCS base station(300) receives the service signal through a PCS communication method. An IMT-2000 base station(400) receives the service signal from the central server of the provider, which provides the service signal, through an IMT-2000 communication method. An integrated hub(100) converts a digital signal into an optical signal.

Description

Integrated mobile digital optical relay system {INTERGRATED MOBILE TELECOMMUNICATION DIGTAL OPTICAL REPEATER SYSTEM}

The present invention relates to an integrated mobile communication digital optical repeater system, and more particularly, to provide a service by integrally operating a relay system that is installed in a subway station or underground space where a subway moves to provide a communication service to a mobile communication terminal. The present invention relates to an integrated mobile communication optical repeater system for reducing the cost of installing, operating, and maintaining each repeater system for each service provider or a terminal receiving a service.

In the conventional mobile communication digital optical repeater system, a repeater is independently installed according to a type of a communication company providing a service or a terminal receiving a service.

Hereinafter, the conventional mobile communication digital optical repeater system described above will be described in more detail with reference to FIG. 1.

1 is a diagram illustrating a conventional mobile communication digital optical repeater system.

As shown in FIG. 1, the WiBro repeater 10, the PCS (PERSONAL COMMUNICATION SERVICES) repeater 20, and the IMT-2000 repeater 30 are each independently configured to form a WiBro terminal, a PCS terminal, and an IMT (INTERNATIONAL MOBILE TELECOMMUNICATION). -2000 Provides service to each terminal.

That is, the WiBro repeater 10 includes a WiBro base station 11, a WiBro hub 12, and a WiBro wireless optical unit 13.

The WiBro base station 11 receives a service signal transmitted from the central server of the telecommunication company and transmits it to the WiBro hub 12.

The WiBro hub 12 is connected to a plurality of branches. The WiBro hub 12 branches and transmits a service signal received from the WiBro base station 11 to a plurality of branches connected thereto.

In addition, the plurality of WiBro wireless optical units 13 connected to each branch receives the service signal transmitted from the WiBro hub 12 through the branch and transmits the wireless signal to the WiBro terminal of the user as a wireless signal.

As described above, when the WiBro base station 11 first receives a service signal transmitted from a communication server's central server, the WiBro repeater 10 receives the final service signal via the WiBro hub 12. Through 13, the service is provided as it is transmitted to the user's WiBro terminal.

PCS repeater 20 including PCS base station 21, PCS hub 22 and PCS wireless optical unit 23 and IMT-2000 base station 31, IMT-2000 hub 32 and IMT-2000 wireless optical unit The service provision of the IMT-2000 repeater 30 including the 33 is the same as the service provision of the WiBro repeater 10 described above and will be omitted.

However, the conventional mobile communication digital optical repeater system described above has a problem in that significant installation, operation, and maintenance costs are generated because the WiBro repeater 10, the PCS repeater 20, and the IMT-2000 repeater 30 are independently configured. There is this.

Accordingly, the first object of the present invention is to solve the problems of the conventional mobile communication relay system, which incurs considerable installation, operation, and maintenance costs. The hubs of the conventional WiBro repeater, PCS repeater, and IMT-2000 repeater The present invention provides an integrated mobile communication digital optical relay system including an integrated hub.

It is a second object of the present invention to provide an integrated mobile communication digital optical relay system capable of integrated management of service signals of a remote base station located at a far distance.

In order to achieve the first object described above, the present invention provides a WiBro base station for receiving a service signal from a central server of a company providing a service signal through a WiBro communication method, a central server of a company providing a service signal through a PCS communication method. PCS base station for receiving the service signal received from, IMT-2000 base station for receiving the service signal from the central server of the company providing the service signal through the IMT-2000 communication method, the WiBro base station and the PCS base station, and the IMT- 2000 The base station receives the service signal received by the base station to convert the digital signal, and converts the converted digital signal into an optical signal and an optical signal received from the integrated hub to convert the analog signal to the analog signal to the antenna A plurality of integrated radios to be provided to the user terminal via In that it comprises a mobile communication unit provides an integrated digital optical relay system according to claim.

In order to achieve the above-described second object, the present invention is located between the remote IMT-2000 base station and the remote PCS base station and the integrated hub in the remote area where the integrated hub is not installed, the remote IMT-2000 base station and the remote IMT-2000 / PCS optical connection device that converts service signal received from PCS base station into digital signal, converts converted digital signal into optical signal, and transmits it to the integrated hub, and remote WiBro in a remote area where the integrated hub is not installed Integrated mobile between the base station and the integrated hub further comprises a WiBro optical connection device for converting the service signal received from the remote WiBro base station into a digital signal, and converts the converted digital signal into an optical signal to transmit to the integrated hub Provides a communication digital optical relay system.

According to the integrated mobile communication digital optical relay system of the present invention described above, the service signal provided through the WiBro communication method, the service signal provided through the PCS communication method and the service signal provided through the IMT-2000 communication method are integrated. By integrated management by the hub and integrated management of service signals of remote base stations, it is possible to reduce installation, operation and maintenance costs by separately configuring each equipment according to the type of service and mobile carrier. It can be effective.

The terms or words used in this specification and claims are not to be construed as limiting in their usual or dictionary meanings, and the inventors may properly define the concept of terms in order to best explain their invention in the best way possible. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Hereinafter, an integrated mobile communication digital optical relay system according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a diagram illustrating an integrated mobile communication digital optical relay system according to the present invention.

As shown in FIG. 2, the integrated mobile communication digital optical relay system according to the present invention includes an integrated hub 100, a WiBro base station 200, a PCS base station 300, an IMT-2000 base station 400, an integrated wireless optical unit ( 500), the IMT-2000 / PCS optical linking device 600, the WiBro optical linking device 700, the remote WiBro base station 200`, the remote PCS base station 300` and the remote IMT-2000 base station 400` do.

The WiBro base station 200, the PCS base station 300, and the IMT-2000 base station 400 respectively provide service signals for providing services to the WiBro terminal, the PCS terminal, and the IMT-2000 terminal owned by the user. Receive from

 Meanwhile, the integrated hub 100 receives the service signal transmitted from the WiBro base station 200, the PCS base station 300, and the IMT-2000 base station 400 from the service provider's central server, and processes the received service signal. Finally converts to an optical signal.

The integrated wireless optical unit 500 transmits the service signal of the light received from the integrated hub 100 to the terminal of the user who is connected to allow the user to receive various services.

The IMT-2000 / PCS optical connector 600 and the WiBro optical connector 700 are installed at a long distance to support a remote source connection to support a remote WiBro base station 200`, a remote PCS base station 300`, and a remote IMT-2000. Located between the base station 400 ′ and the integrated hub 100, the remote base stations convert the service signals received into optical service signals to be delivered to the integrated hub 100.

The remote WiBro base station 200 ′, the remote PCS base station 300 ′, and the remote IMT-2000 base station 400 ′ support remote source access when the base station apparatus is not installed at the installation location of the integrated hub 100.

3 is a detailed internal block diagram of the integrated hub 100 described above.

As shown in FIG. 3, the integrated hub 100 includes two PCS up / down conversion modules 110, two IMT-2000 up / down conversion modules 120, and two WiBro up / down amplifiers. The module 130, the signal processing module 140, the integrated optical splitting / coupling module 150, the WiBro optical splitting / coupling module 160, and the IMT-2000 / PCS optical splitting / coupling module 170 are included.

The PCS up / down conversion module 110 converts the PCS service signal of the high frequency received by the PCS base station 300 into an intermediate frequency signal, and the IMT-2000 up / down conversion module 120 is an IMT-2000 base station. The 400 converts the received high-frequency service signal for IMT-2000 into an intermediate frequency signal.

For reference, the above-described up / down conversion modules 110 and 120 for PCS and IMT-2000 described only converting a high frequency signal into an intermediate frequency signal. In contrast, when information is transmitted from a user terminal, the intermediate frequency signal is converted into It can also be converted into a signal.

Meanwhile, the WiBro up / down amplifier module 130 directly receives an intermediate frequency signal from the WiBro base station 200 and amplifies the received intermediate frequency signal.

The integrated hub signal processing module 140 is a service signal and a WiBro up / down amplifier converted into an intermediate frequency signal from the above-mentioned PCS up / down conversion module 110 and IMT-2000 up / down conversion module 120. The module 130 receives the service signal of the intermediate frequency amplified.

Thereafter, the integrated hub signal processing module 140 is an intermediate received from the up / down conversion module 110 for PCS, the up / down conversion module 120 for IMT-2000, and the up / down amplifier module 130 for wabro. The service signal, which is a frequency signal, is converted into a digital signal, and the converted digital signal is converted into an optical signal.

At this time, the integrated hub signal processing module 140 converts the intermediate frequency signal received from the PCS up / down conversion module 110 into a 14-bit digital signal using a sampling frequency of 100 MHz, By using a 50 MHz sampling frequency, the intermediate frequency signal received from the up / down conversion module 120 for IMT-2000 is converted into a 600 Mbps digital signal.

In addition, the integrated hub signal processing module 140 converts the intermediate frequency signal received from the WiBro up / down amplifier module 130 into a 14-bit digital signal using 30 MHz and 100 MHz sampling frequencies and forms a Mbps transmission data signal of 1200 MHz. Make it.

At this time, the use of the 30MHz and 100MHz sampling frequency is the WiBro base station 200 is divided into two sectors, sector 1 and sector 2, to sample the signals input from each sector.

Of course, in addition to the WiBro base station 200 described above, the PCS base station 300, the IMT-2000 base station 400, the remote WiBro base station 200`, the remote PCS base station 300` and the remote IMT-2000 base station 400` ) Is divided into two sectors, sector 1 and sector 2, respectively.

In addition, the signal processing module 140 is an intermediate frequency signal converted from the up / down conversion module 110 for PCS, up / down conversion module 120 for IMT-2000, and up / down amplifier module 130 for wabro. Converts the digital signal back into an optical signal.

The optical splitting and coupling module 150 receives the optical signal converted by the integrated hub signal processing module 140 and transmits the optical signal from the IMT-2000 / PCS optical connector 600 and the WiBro optical connector 700. Receive and combine these optical signals, and branch the combined optical signals to be delivered to a plurality of integrated wireless optical units 500 connected to the branch.

The IMT-2000 / PCS optical splitting / coupling module 170 receives an optical signal from the IMT-2000 / PCS optical coupling device 600, and the WiBro optical splitting / coupling module 160 is provided from the WiBro optical connecting device 700. Receive an optical signal.

4 is a detailed internal block diagram of an optical connector for IMT-2000 / PCS.

Located between the IMT-2000 / PCS optical branch / combination module 170 of the integrated hub 100 and the remote IMT-2000 / PCS base stations 400 'and 300', and the remote IMT-2000 / PCS base station 400 '. The optical connection device 600 for the IMT-2000 / PCS for converting the service signal received by (300`) into an optical signal is an up / down conversion module (610) for the IMT-2000 as shown in FIG. The up / down change module 620, the signal processing module 630, and the optical splitting / combining module 640 are included.

The IMT-2000 and PCS up / down conversion modules 610 and 620 convert the intermediate signals into high-frequency service signals received from the remote IMT-2000 and the PCS base station 400`300` as described above in the integrated hub 100. Convert to a signal.

The signal processing module 630 converts the intermediate frequency signal converted by the IMT-2000 and the PCS up / down conversion modules 610 and 620 into a digital signal, and then converts the digital signal into an optical signal.

The optical splitting / coupling module 640 transfers the optical signal converted by the signal processing module 630 to the optical splitting / coupling module 170 for IMT-2000 and PCS of the integrated hub 100.

5 is a detailed internal block diagram of an optical connector for a wibro.

As shown in FIG. 5, the service signal received by the remote WiBro base station 200 ′ is located between the optical WiBro branch / coupling module 160 of the integrated hub 100 and the remote WiBro base station 200 ′. The WiBro optical connector 700 converting a signal includes two WiBro up / down amplifier modules 710, a signal processing module 720, and an optical branch / coupling module 730.

The WiBro up / down amplifier module 710 amplifies the service signal received from the remote WiBro base station 200 ′.

The signal processing module 720 converts the service signal amplified by the WiBro up / down amplifier module 710 into a digital signal and reconverts the converted digital signal into an optical signal.

The optical splitting / coupling module 730 transfers the optical signal converted by the signal processing module 720 to the optical splitting / coupling module 160 for the wibro of the integrated hub 100.

As described above, the WiBro base station 200, the PCS base station 300, the IMT-2000 base station 400, the far WiBro base station 200 ′, the far PCS base station 300 ′, and the far IMT-2000 base station 400 ′. The service signal received through and converted into an optical signal is collected by the integrated hub 100 and delivered to the integrated wireless optical unit 500.

6 is a detailed internal block diagram of the integrated wireless light unit 500.

The above-described integrated wireless optical unit 500 includes an optical switch 510, a signal processing module 520, an up / down conversion module 530 for IMT-2000, a high output amplifier 540 for IMT-2000, and a phase / for PCS. Down conversion module 550, PCS high output amplifier 560, WiBro up / down conversion module 570, WiBro high power amplifier 580, IMT-2000 / PCS band filter 590, and WiBro band filter (590`).

The optical switch 510 is switched by an optical signal input from the integrated hub 100 so that the integrated wireless optical unit 500 may receive a service signal of the optical signal.

The signal processing module 520 is integrated with the optical signal and performs signal processing for converting the digitalized IMT-2000 service signal, the PCS service signal and the WiBro service signal into analog signals.

Thereafter, the up / down conversion module 570 for the IMT-2000 is separated from the signal processing module 520 to convert the service signal for the IMT-2000 in the intermediate frequency state into a high frequency signal.

Similarly, the PCS up / down conversion module 550 is separated from the signal processing module 520 and converts the service signal for PCS in the intermediate frequency state into a high frequency signal.

Then, the WiBro up / down conversion module 570 is separated from the signal processing module 520 and converts the WiBro service signal in an intermediate frequency state into a high frequency signal.

The high power amplifier 540 for the IMT-2000 amplifies the service signal for the IMT-2000 converted into the high frequency signal by the IMT-2000 up / down conversion module 530, and the high power amplifier 560 for the PCS up / down for the PCS. The conversion module 550 amplifies the service signal for the PCS converted into a high frequency signal, and the WiBro high power amplifier 580 amplifies the WiBro service signal.

The IMT-2000 / PCS band filter 590 is amplified by the IMT-2000 high output amplifier 540 and the PCS high output amplifier 560, respectively. Passes only specific frequency bands received by the terminal and PCS terminal, and filters out other frequency bands.

Similarly, the WiBro band filter 590 'passes only a specific frequency band received by the WiBro terminal and filters out other frequency bands.

As described above, the filtered service signal for the IMT-2000 and the service signal for the PCS are provided to the user's IMT-2000 terminal and the PCS terminal through the IMT-2000 / PCS antenna, and the filtered WiBro service signal provides the WiBro antenna. Is provided to the user's WiBro terminal.

Meanwhile, the above description has described that a service signal is transmitted to a user terminal through a base station.

On the contrary, the transfer of information input by the user through the input means in the user terminal may be performed through the reverse process of the above-described process.

Although the present invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various changes and modifications can be made within the technical scope of the present invention, and such modifications and modifications belong to the appended claims.

1 is a block diagram of a conventional mobile communication digital optical relay system.

2 is a block diagram of an integrated mobile communication digital optical relay system according to the present invention;

3 is an internal block diagram of an integrated hub of an integrated mobile communication digital optical relay system according to the present invention;

Figure 4 is an internal block diagram of the PCS optical connection of the integrated mobile communication digital optical relay system according to the present invention.

5 is an internal block diagram of a wibro optical connection device of an integrated mobile communication digital optical relay system according to the present invention;

6 is an internal block diagram of an integrated wireless optical unit of an integrated mobile communications digital optical relay system in accordance with the present invention.

Description of the main parts of the drawing

100: integrated hub 200: WiBro base station

300: PCS base station 400: IMT-2000 base station

200`: Remote WiBro Base Station 300`: Remote PCS Base Station

400`: Remote IMT-2000 Base Station 500: Integrated Wireless Optical Unit

600: IMT-2000 / PCS optical connector 700: WiBro optical connector

110: up / down conversion module for PCS 120: up / down conversion module for IMT-2000

130: Up / down amplifier module for WiBro 140: Integrated hub signal processing module

150: integrated hub optical splitting / coupling module 160: optical fibre-optic coupling / coupling module

170: Optical branching and coupling module for IMT-2000 / PCS

510: Optical Switch

520: signal processing module 530: up / down conversion module for IMT-2000

540: high output amplifier for IMT-2000 550: up / down conversion module for PCS

560 high power amplifier for PCS

570: Up / down conversion module for WiBro

580: High power amplifier for WiBro 590: Band filter for IMT-2000 / PCS

590 `: Band filter for WiBro 610: Up / Down conversion module for IMT-2000 620: Up / Down conversion module for PCS 630: Signal processing module

640: optical branching / combining module 710: WiBro up / down amplifier module

720: signal processing module 730: optical branching and coupling module

Claims (7)

A WiBro base station 200 receiving a service signal from a central server of a company providing a service signal through a WiBro communication method; A PCS base station 300 for receiving a service signal received from a central server of a company providing a service signal through a PCS communication method; An IMT-2000 base station 400 for receiving a service signal from a central server of a company providing a service signal through an IMT-2000 communication method; An integrated hub receiving the service signal received by the WiBro base station 200, the PCS base station 300, and the IMT-2000 base station 400, converts the received digital signal into a digital signal, and converts the converted digital signal into an optical signal. 100); And And a plurality of integrated wireless optical units 500 for receiving the optical signal service signal from the integrated hub 100 and converting the signal into an analog signal to be provided to the user terminal through an antenna. Integrated mobile digital optical relay system. The method of claim 1, The remote IMT-2000 base station 400 is installed between the remote IMT-2000 base station 400` and the remote PCS base station 300` and the integrated hub 100 in the remote area where the integrated hub 100 is not installed. `) And the IMT-2000 / PCS optical connection for converting the service signal received from the remote PCS base station 300` into a digital signal, converting the converted digital signal into an optical signal, and delivering the converted signal to the integrated hub 100. Apparatus 600; characterized in that it further comprises a digital mobile communication system. The method of claim 1, Between the remote WiBro base station 200` and the integrated hub 100 in a remote area where the integrated hub 100 is not installed, converts a service signal received from the remote WiBro base station 200` into a digital signal, and converts it. And converting the digital signal into an optical signal and transmitting the optical signal to the integrated hub (700). The integrated mobile communication digital optical relay system further comprising. The method of claim 2 or 3, The integrated hub 100 A PCS up / down conversion module 110 for receiving a PCS service signal of a high frequency received by the PCS base station 300 and converting it into an intermediate frequency signal; An IMT-2000 up / down conversion module 120 for receiving a high frequency IMT-2000 service signal received from the IMT-2000 base station 400 and converting the signal into an intermediate frequency signal; A WiBro up / down amplifier module 130 for receiving and amplifying a WiBro service signal of an intermediate frequency from the WiBro base station 200; Service signals for PCS and services for IMT-2000, respectively, from the PCS up / down conversion module 110, the IMT-2000 up / down conversion module 120 and the WiBro up / down amplifier module 130, respectively. Integrated hub signal processing module 140 for receiving the signal and the service signal for the WiBro converts into a digital signal, and converts the converted digital signal into an optical signal; An IMT-2000 / PCS optical branching / combining module 170 for receiving a service signal for IMT-2000 / PCS as an optical signal transmitted from the IMT-2000 / PCS optical connecting device 600; An optical branch / coupling module (160) for receiving a WiBro service signal as an optical signal transmitted from the WiBro optical connection device (700); And From the integrated hub signal processing module 140, IMT-2000 / PCS optical splitting / coupling module 170 and WiBro optical splitting / coupling module 160, respectively, for IMT-2000 / PCS and WiBro as optical signals Integrated hub communication digital optical relay system comprising a; integrated hub optical branching and coupling module (150) for receiving and combining service signals and for branching. 3. The method of claim 2, The IMT-2000 / PCS optical connector 600 An up / down conversion module 610 for IMT-2000 that receives a high-frequency IMT-2000 service signal received from the remote IMT-2000 base station 400 'and converts it into an intermediate frequency signal; A PCS up / down conversion module 620 for receiving a high frequency PCS service signal received from the remote PCS base station 300` and converting the same into an intermediate frequency signal; A PCS service signal and an IMT-2000 service signal are received from the PCS up / down conversion module 620 and the IMT-2000 up / down conversion module 610, respectively, and converted into digital signals. A signal processing module 630 for converting a digital signal into an optical signal; And And an optical branching / combining module 640 which receives the PCS service signal and the IMT-2000 service signal as the optical signal from the signal processing module 630 and transmits the service signal to the integrated hub 100. Integrated mobile digital optical relay system. The method of claim 3, wherein The WiBro optical connection device 700  A WiBro up / down amplifier module 710 for amplifying an intermediate frequency WiBro service signal received from the remote WiBro base station 200 '; A signal processing module 720 which receives the WiBro type service signal from the up / down amplifier module 710, converts it into a digital signal, and converts the converted digital signal into an optical signal; And And an optical branching / combining module (730) for receiving a WiBro type service signal as an optical signal from the signal processing module and transmitting the optical signal to the integrated hub (100). The method of claim 1, Integrated wireless light unit 500 The signal processing module 520, which is integrated with the optical signal input from the integrated hub 100, performs signal processing for converting the digitalized IMT-2000 service signal, the PCS service signal, and the WiBro service signal into analog signals. ); An up / down conversion module 530 for IMT-2000 for converting the service signal for IMT-2000 into a high frequency signal; A PCS up / down conversion module 550 for converting the PCS service signal into a high frequency signal; A WiBro up / down conversion module 570 for converting the WiBro service signal into a high frequency signal; An IMT-2000 high output amplifier 540 for receiving and amplifying the service signal for the IMT-2000 converted into a high frequency signal from the IMT-2000 up / down conversion module 530; A PCS high output amplifier 560 for receiving and amplifying the PCS service signal converted into a high frequency signal from the PCS up / down conversion module 550; A high power amplifier 580 for wibro which receives and amplifies the WiBro service signal converted into a high frequency signal from the WiBro up / down conversion module 570; Only the frequency bands received by the IMT-2000 terminal and the PCS terminal by receiving the IMT-2000 service signal and the PCS service signal amplified by the high output amplifier 540 for the IMT-2000 and the high output amplifier 560 for the PCS, respectively. A band pass filter 590 for IMT-2000 / PCS that passes through and filters the remaining frequency bands; And  A WiBro band filter 590` for receiving a WiBro service signal amplified by the WiBro high output amplifier 540 and passing only the frequency bands received by the WiBro terminal, and filtering the remaining frequency bands; Integrated mobile communication digital optical relay system.

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