KR100802454B1 - Mobile communication repeater - Google Patents

Abstract

A mobile communication repeater is provided to modularize signal processors for processing forward and reverse signals in a donor and a remote, so as to control the modularized processors integratedly in a donor controller and a remote controller, thereby remarkably reducing size of the donor and the remote. A remote integration module(431) comprises as follows. A remote optical transceiver(431a) converts a forward signal received from a donor(410) into an electric signal to output the signal, and converts a reverse signal received from a terminal into an optical signal to send the signal to the donor(410). A power amplification unit(431b) amplifies the forward signal with high power to output the amplified signal. The first BPF(Band Pass Filter)(431c) filters a desired frequency band only from the forward signal, and outputs the filtered signal. The second BPF(431d) filters a desired frequency band only from the reverse signal, and outputs the filtered signal. An LNA(Low Noise Amplifier)(431e) amplifies the reverse signal as minimizing noise, and outputs the amplified signal. A remote modem(431f) communicates with the donor(410).

Description

Mobile repeater {MOBILE COMMUNICATION REPEATER}

1 is a diagram for explaining a general mobile communication network.

2 is a diagram for explaining a remote in a mobile communication repeater according to an embodiment of the present invention;

3 is a diagram for explaining a remote in a mobile communication repeater according to another embodiment of the present invention;

4 is a view for explaining an example of a donor in a mobile communication repeater according to an embodiment of the present invention.

5 is a diagram for explaining another example of a donor in a mobile communication repeater according to an embodiment of the present invention;

<Explanation of symbols for the main parts of the drawings>

400,400 ', 500: Mobile communication repeater

410,410 ', 510: Donor

411,412,413,511,512,513: Donor Module

411a, 511a: Forward amplifier

411b, 511d: Donor Optical Transmitter and Receiver

411c, 411d, 511i, 511j: Reverse amplifier

511b: analog-to-digital converter

511c: digital up-converter

511e, 511f: Digital downconverter

511g, 511h: Digital-to-analog converter

411e, 511k: Donor Modem

414,514: donor control part

415,515: donor power supply

430,430 ': Remote

431,431 ': Integrated module for remote

431a, 431a ': Remote optical transmitter and receiver

431b, 431b ': power amplifier unit

431c: first bandpass filter 431d: second bandpass filter

431e: low noise amplifier 431f: remote modem

431c ': duplexer

431e ': 1st low noise amplifier 431h': 2nd low noise amplifier

431d ', 431f': Lightning arrester 431g ': Bandpass filter

432: remote control unit 433: remote power supply unit

The present invention relates to a mobile communication repeater, and more particularly, to a technology for reducing the size of a remote, reducing installation and manufacturing costs, and effectively utilizing space.

In the mobile communication network, repeaters are used to improve the service quality in areas with high traffic volume and in shaded areas.

1 is a view for explaining a general mobile communication system, as shown in Figure 1, the mobile communication repeater 100 is connected to the base station 200 by a cable to transmit and receive signals with at least one remote site A donor 110 and a remote that are connected to the donor 110 at each remote location by an optical cable, transmit and receive RF (Radio Frequency) signals with the terminals 301, 302, 303 and 304 to associate with the donor 110 ( 121,122,123,124. At this time, a repeater for transmitting and receiving signals between the donor 110 and the remotes 121, 122, 123, and 124 using an optical cable is referred to as an 'optical repeater'.

Here, the remotes 121, 122, 123, and 124 photoelectrically convert the forward signals input from the donor 110, amplify them with high power, and transmit them to the terminals 301, 302, 303, and 304. And a remote module in which signal processing units for transmitting to the donor 110 are mounted, a remote control unit for controlling the respective signal processing units, and a remote power supply unit for supplying power to the signal processing units and the remote control unit. do.

At this time, the remote control unit monitors, controls, and checks each signal processing unit of the remote module. For this purpose, each CPU is mounted on each signal processing unit. In addition, the power supplied from the remote power supply must be adjusted to be suitable for use in each signal processor. For this purpose, a regulator is mounted in each signal processor.

That is, since each signal processing unit has its own CPU and regulator, the remote module including these signal processing units has a large external size, increases manufacturing cost, and also increases the size of the remote and increases manufacturing cost. . In addition, due to the cable for connecting the respective signal processing unit, the structure is also complicated.

In addition, base stations of mobile communication networks are filled with donors of numerous repeaters for mobile communication services due to the development of technology, and donors may be additionally mounted for mobile Internet (WiBro) service to be put into practical use in the future. Since the space in the base station for mounting is limited, there is an urgent need for a technique in which the size of the donor must also be reduced.

The present invention has been made to solve the problems described above, by reducing the size of the remote by sharing the configuration common to each signal processing unit of the remote module in one configuration, easy to carry and install, It is an object of the present invention to provide a mobile communication repeater including a remote that reduces the manufacturing cost.

In addition, by reducing the size of the donor module by using a common configuration mounted on each signal processing unit of the donor module to reduce the size of the donor module, to provide a mobile communication repeater including a donor that can utilize the space in the base station to another purpose There is this.

The mobile communication repeater according to the present invention for achieving the above object, the donor for processing the forward signal input from the base station to the remote site, and processing the reverse signal input from the remote site to the base station side; And a remote located at the remote location and processing a forward signal input from the donor to the terminal side, and processing a reverse signal input from the terminal side to the donor side, wherein the remote includes the donor. A remote integrated module for processing a forward signal input from the terminal and transmitting the signal to the terminal, and processing a reverse signal input from the terminal to the donor and processing the forward and reverse signals; A remote control unit for monitoring and controlling the integrated remote module; And a remote power supply unit supplying power to the remote integration module and the remote control unit, wherein the remote integration module converts a forward signal, which is an optical signal received from the donor side, into an electrical signal, and outputs the electrical signal. A remote optical transmitter / receiver for converting a reverse signal, which is an electrical signal received from the terminal side, into an optical signal and transmitting the optical signal to the donor side; A power amplifying unit for amplifying and outputting a high power to propagate a forward signal input from the remote optical transmission and reception unit into the air; A first bandpass filter for filtering only a desired frequency band from a forward signal input from the power amplification unit and outputting the filtered frequency band to a transmission antenna side; A second band pass filter for filtering and outputting only a desired frequency band from a reverse signal input from a reception antenna side; A low noise amplifier for amplifying the reverse signal input from the second band pass filter to minimize noise and output the amplified signal to the remote optical transmitter / receiver; And a remote modem for communicating with the donor, wherein the remote control unit comprises: the remote optical transmission / reception unit, a power amplifier unit, a first band pass filter, a second band pass filter, and a low noise amplifier of the integrated module for remote; And integrated control of the remote modem.

The remote power supply unit may be configured to supply power to the remote optical transmitter / receiver unit, the power amplifier unit, the first band pass filter, the second band pass filter, the low noise amplifier, and the remote modem of the remote integrated module. It features.

The remote integrated module may further include an arrester installed at each of the transmitting antenna and the receiving antenna to prevent damage due to lightning or overvoltage.

On the other hand, the mobile communication repeater according to the present invention for achieving the above object, a donor for processing the forward signal input from the base station to the remote site, and processing the reverse signal input from the remote site to the base station side; And a remote located at the remote location and processing a forward signal input from the donor to the terminal side, and processing a reverse signal input from the terminal side to the donor side, wherein the remote includes the donor. A remote integrated module for processing a forward signal input from the terminal and transmitting the signal to the terminal, and processing a reverse signal input from the terminal to the donor and processing the forward and reverse signals; A remote control unit for monitoring and controlling the integrated remote module; And a remote power supply unit supplying power to the remote integration module and the remote control unit, wherein the remote integration module converts a forward signal, which is an optical signal received from the donor side, into an electrical signal, and outputs the electrical signal. A remote optical transmitter / receiver for converting a reverse signal, which is an electrical signal received from the terminal side, into an optical signal and transmitting the optical signal to the donor side; A power amplifying unit for amplifying and outputting a high power to propagate a forward signal input from the remote optical transmission and reception unit into the air; A first bandpass filter for filtering only a desired frequency band from a forward signal input from the power amplification unit and outputting the filtered frequency band to a transmission antenna side; A second band pass filter for filtering and outputting only a desired frequency band from a reverse signal input from a reception antenna side; A low noise amplifier for amplifying the reverse signal input from the second band pass filter to minimize noise and output the amplified signal to the remote optical transmitter / receiver; And a remote modem for communicating with the donor, wherein the remote power supply unit includes the remote optical transmission / reception unit, a power amplifier unit, a first band pass filter, a second band pass filter, and a low noise amplification unit of the remote integrated module. It can be characterized by the integrated power supply to the secondary and remote modem.

In addition, the mobile communication repeater according to the present invention for achieving the above object, the donor for processing the forward signal input from the base station to the remote site, and processing the reverse signal input from the remote site to the base station side; And a remote located at the remote location and processing a forward signal input from the donor to the terminal side, and processing a reverse signal input from the terminal side to the donor side, wherein the remote includes the donor. A remote integrated module for processing a forward signal input from the terminal and transmitting the signal to the terminal, and processing a reverse signal input from the terminal to the donor and processing the forward and reverse signals; A remote control unit for monitoring and controlling the integrated remote module; And a remote power supply unit supplying power to the remote integration module and the remote control unit, wherein the remote integration module converts a forward signal, which is an optical signal received from the donor side, into an electrical signal, and outputs the electrical signal. A remote optical transmitter / receiver for converting a reverse signal, which is an electrical signal received from the terminal side, into an optical signal and transmitting the optical signal to the donor side; A power amplifying unit for amplifying and outputting a high power to propagate a forward signal input from the remote optical transmission and reception unit into the air; A duplexer for filtering only a desired frequency band from a forward signal input from the power amplifying unit side to a transmit / receive antenna side, and filtering and outputting only a desired frequency band from a reverse signal input from the transmit / receive antenna side; A first low noise amplifier for amplifying the reverse signal input from the duplexer to minimize noise and output the amplified signal to the remote optical transceiver; A band pass filter for filtering and outputting only a desired frequency band from a reverse signal input from a reception antenna side; A second low noise amplifier for amplifying the reverse signal input from the band pass filter to minimize the noise and output the amplified signal to the remote optical transceiver; And a remote modem for communicating with the donor, wherein the remote control unit comprises: the remote optical transmitter / receiver unit, a power amplifier unit, a duplexer, a first low noise amplifier unit, a band pass filter, and a second low noise unit of the remote integrated module. It may be characterized by the integrated control of the amplifier and the remote modem.

Herein, the remote power supply unit may supply power to the remote optical transmitter / receiver, the power amplifier unit, the duplexer, the first low noise amplifier, the band pass filter, the second low noise amplifier and the remote modem of the remote integrated module. have.

The remote integration module may further include an arrester installed at each of the transmitting and receiving antennas and the receiving antenna to prevent damage due to lightning or overvoltage.

In addition, the mobile communication repeater according to the present invention for achieving the above object, the donor for processing the forward signal input from the base station to the remote site, and processing the reverse signal input from the remote site to the base station side; And a remote located at the remote location and processing a forward signal input from the donor to the terminal side, and processing a reverse signal input from the terminal side to the donor side, wherein the remote includes the donor. A remote integrated module for processing a forward signal input from the terminal and transmitting the signal to the terminal, and processing a reverse signal input from the terminal to the donor and processing the forward and reverse signals; A remote control unit for monitoring and controlling the integrated remote module; And a remote power supply unit supplying power to the remote integration module and the remote control unit, wherein the remote integration module converts a forward signal, which is an optical signal received from the donor side, into an electrical signal, and outputs the electrical signal. A remote optical transmitter / receiver for converting a reverse signal, which is an electrical signal received from the terminal side, into an optical signal and transmitting the optical signal to the donor side; A power amplifying unit for amplifying and outputting a high power to propagate a forward signal input from the remote optical transmission and reception unit into the air; A duplexer for filtering only a desired frequency band from a forward signal input from the power amplifying unit side to a transmit / receive antenna side, and filtering and outputting only a desired frequency band from a reverse signal input from the transmit / receive antenna side; A first low noise amplifier for amplifying the reverse signal input from the duplexer to minimize noise and output the amplified signal to the remote optical transceiver; A band pass filter for filtering and outputting only a desired frequency band from a reverse signal input from a reception antenna side; A second low noise amplifier for amplifying the reverse signal input from the band pass filter to minimize noise and output the amplified signal to the remote optical transmitter / receiver; And a remote modem for communicating with the donor, wherein the remote power supply unit comprises: the remote optical transmitter / receiver unit, a power amplifier unit, a duplexer, a first low noise amplifier unit, a band pass filter, and a second unit of the remote integrated module. It may be characterized by the integrated power supply to the low noise amplifier and the remote modem.

On the other hand, the mobile communication repeater according to the present invention for achieving the above object, the donor for processing the forward signal input from the base station to the remote site, and processing the reverse signal input from the remote site to the base station side; And a remote located at the remote location and processing a forward signal input from the donor to a terminal side, and processing a reverse signal input from the terminal side and transmitting the reverse signal to the donor side. A donor module for processing a forward signal input from the remote side and transmitting the signal to the remote side, and processing a reverse signal input from the remote side and transmitting the signal to the base station, wherein the signal processor for processing the forward and reverse signals is modularized; A donor controller for monitoring and controlling the donor module; And a donor power supply unit supplying power to the donor module and the donor control unit, wherein the donor module includes: a forward amplifier unit amplifying and outputting a forward signal input from the base station; A donor optical transmitter / receiver for converting a forward signal output from the forward amplifier side into an optical signal and transmitting the optical signal to the remote side, and converting a reverse signal, which is an optical signal input from the remote side, into an electrical signal; At least one reverse amplifier for amplifying the reverse signal output from the donor optical transceiver and outputting the reverse signal to the base station; And a donor modem for communicating with the remote, wherein the donor control unit controls the forward amplifier, the donor light transmitting and receiving unit, the reverse amplifier, and the donor modem of the donor module.

Here, the donor power supply unit is characterized in that the integrated power supply to the forward amplifier, the donor light transmitting and receiving unit, the reverse amplifier and the donor modem of the donor module.

In addition, the donor module, the analog-to-digital converter for converting the analog form of the forward signal output from the forward amplifier to a digital form; A digital up-converter converting a forward signal of an intermediate frequency band output from the analog-digital converter into a radio frequency band and outputting the frequency up-converted to the donor optical transceiver; At least one digital down-converter for frequency down-converting a reverse signal of a radio frequency band output from the donor optical transceiver unit to an intermediate frequency band; And at least one digital-to-analog converter for converting a digital backward signal output from the digital down converter into an analog form. It may further include.

In addition, the mobile communication repeater according to the present invention for achieving the above object, the donor for processing the forward signal input from the base station to the remote site, and processing the reverse signal input from the remote site to the base station side; And a remote located at the remote location and processing a forward signal input from the donor and transmitting the signal to the terminal, and processing a reverse signal input from the terminal and transmitting the signal to the donor side. A donor module for processing a forward signal input from the remote side and transmitting the signal to the remote side, and processing a reverse signal input from the remote side and transmitting the signal to the base station, wherein the signal processor for processing the forward and reverse signals is modularized; A donor controller for monitoring and controlling the donor module; And a donor power supply unit supplying power to the donor module and the donor control unit, wherein the donor module comprises: a forward amplifier unit amplifying and outputting a forward signal input from the base station; A donor optical transmitter / receiver for converting a forward signal output from the forward amplifier side into an optical signal and transmitting the optical signal to the remote side, and converting a reverse signal, which is an optical signal input from the remote side, into an electrical signal; At least one reverse amplifier for amplifying the reverse signal output from the donor optical transceiver and outputting the reverse signal to the base station; And a donor modem for communicating with the remote, wherein the donor power supply unit may supply power to the forward amplifier, the donor optical transmitter, the reverse amplifier, and the donor modem of the donor module.

Here, the donor module may include an analog-digital converter for converting an analog signal of the forward type output from the forward amplifier into a digital form; A digital up-converter converting a forward signal of an intermediate frequency band output from the analog-digital converter into a radio frequency band and outputting the frequency up-converted to the donor optical transceiver; At least one digital down-converter for frequency down-converting a reverse signal of a radio frequency band output from the donor optical transceiver unit to an intermediate frequency band; And at least one digital-to-analog converter for converting a digital backward signal output from the digital down converter into an analog form. It may further include.

Hereinafter, preferred embodiments will be described so that the present invention described above can be understood in more detail.

2 is a diagram illustrating a mobile communication repeater 400 according to an embodiment of the present invention. As shown in FIG. 2, the mobile communication repeater 400 according to the present invention includes a donor 410 and a remote 430.

The donor 410 processes the forward signal input from the base station 600 and transmits it to the remote site, and processes the forward signal input from the remote site and transmits the reverse signal to the base station 600.

The remote 430 is located at the remote place, that is, the radio shading area, and processes the forward signal input from the donor 410 and transmits it to the terminal side, and processes the reverse signal input from the terminal side to the donor 410 side. do. At least one such remote is connected to one donor. Hereinafter, the configuration of one remote will be described.

The remote 430 includes a remote integrated module 431, a remote control unit 432, and a remote power supply unit 433.

The integrated remote module 431 processes the forward signal input from the donor 410 and transmits it to the terminal side, and processes the reverse signal input from the terminal side and transmits the reverse signal to the donor 410 side. At this time, the signal processing unit for processing the forward and reverse signals is modular.

The remote controller 432 monitors and controls the remote integrated module 431.

The remote power supply unit 433 supplies power to the remote integrated module 431 and the remote control unit 432.

Here, the signal processing unit of the remote integrated module 431 is modularized, unlike the conventional technology in which each signal processing unit for processing the forward and reverse signals is mounted on the remote module, the integrated signal by designing each signal processing unit unified 431 is made. If each signal processing unit is circuitized in one design diagram, the space and space can be reduced by using only one configuration that can be used in common, that is, a CPU necessary for monitoring and controlling the remote control unit 432 or a regulator for supplying stable power. The manufacturing cost can be saved.

The signal processing unit of the remote integrated module 431 includes a remote optical transmitter / receiver 431a, a power amplifier unit 431b, a first band pass filter 431c, a second band pass filter 431d, and a low noise amplifier. 431e and a remote modem 431f.

The remote optical transmitter / receiver 431a converts the forward signal, which is an optical signal received from the donor 410, into an electrical signal, and outputs the electrical signal. The remote light receiver 431a converts the reverse signal, which is an electrical signal received from the terminal, into an optical signal. It transmits to the (410) side.

The power amplifier unit (PAU) 431b amplifies and outputs a forward signal input from the remote optical transmitter / receiver 431a with high power to propagate it into the air. The power amplifier unit 431b may include an attenuator to adjust the output level and compensate for light loss. In addition, the power amplification unit 431b may have a built-in power detector unit (PDU) capable of measuring the level of the output signal, and may adjust the gain and output level of the system using the power detector unit (PDU).

A first band pass filter (BPF) 431c filters only a desired frequency band from a forward signal input from the power amplifying unit 431b and outputs it to the transmission antenna 431g.

The second band pass filter 431d filters and outputs only a desired frequency band from a reverse signal received through the reception antenna 431h.

A low noise amplifier (LNA) 431e minimizes and amplifies the reverse signal input from the second band pass filter 431d to the remote optical transmitter / receiver 431a.

The remote modem 431f is provided for communicating with the donor 410. The remote modem 431f may be a frequency shift keying (FSK) modem or an amplitude shift keying (ASK) modem, depending on the intended use.

Meanwhile, the remote may be implemented as shown in FIG. 3 for diversity.

Hereinafter, a mobile communication repeater 400 ′ according to another embodiment of the present invention will be described with reference to FIG. 3.

As shown in FIG. 3, the mobile communication repeater 400 ′ according to another embodiment of the present invention includes a donor 410 ′ and a remote 430 ′.

Since the donor 410 'is the same configuration as the donor 410 described with reference to FIG. 2, overlapping descriptions are avoided, and an example of the donor will be described later.

The remote 430 'includes a remote integrated module 431', a remote control unit 432 ', and a remote power supply unit 433'.

The integrated remote module 431 'processes the forward signal input from the donor 410' and transmits it to the terminal side, and processes the reverse signal input from the terminal side and transmits it to the donor 410 'side. At this time, the signal processing unit for processing the forward and reverse signals is modular.

The remote controller 432 'monitors and controls the remote integrated module 431'.

The remote power supply unit 433 'supplies power to the integrated remote module 431' and the remote control unit 432 '.

Here, the modularity of the signal processing unit of the remote integration module 431 'means that each signal processing unit for processing the forward and reverse signals is integrated by designing each signal processing unit as one unit, unlike the conventional technology in which the remote module is mounted. The module 431 'is made. When each signal processing unit is circuitized in one design diagram, a space that can be used in common can be used, that is, by using only one CPU, which is necessary for monitoring and controlling the remote control unit 432 ', and a regulator for supplying stable power. And manufacturing cost can be saved. In addition, the remote 430 ′ of the mobile communication repeater 400 ′ according to another embodiment of the present invention illustrated in FIG. 3 has an integrated module 431 for remote having two reverse paths in order to implement diversity. Include ').

The signal processor of the integrated remote module 431 'includes a remote optical transmitter / receiver 431a', a power amplifier unit 431b ', a duplexer 431c', a first low noise amplifier 431e ', and a band pass. And a filter 431g ', a second low noise amplifier 431h', a remote modem 431i ', and lightning arresters 431d' and 431f '.

The remote optical transmitter / receiver 431a 'converts the forward signal, which is an optical signal received from the donor 410', into an electrical signal and outputs the electrical signal, and converts the reverse signal, which is an electrical signal received from the terminal, into an optical signal. To the donor 410 'side.

The power amplifier unit (PAU) 431b 'amplifies and outputs a forward signal input from the remote optical transmitter / receiver 431a' with high power to propagate it into the air. The power amplifying unit 431b 'may include an attenuator to adjust the output level and compensate for light loss. In addition, the power amplifier unit 431b 'may have a built-in power detector unit (PDU) capable of measuring the level of the output signal, and may adjust the gain and output level of the system using the power detector unit (PDU).

The duplexer 431c 'filters only a desired frequency band from the forward signal input from the power amplifier unit 431b', outputs the signal to the transmit / receive antenna 431j ', and the reverse direction input from the transmit / receive antenna 431j'. Only the desired frequency band is filtered from the signal and output to the first low noise amplifier 431e 'described later. In other words, the duplexer 431c 'is a configuration necessary for sharing transmission and reception with one antenna.

The first low noise amplifier (LNA: Low Noise Amplifier) 431e 'minimizes and amplifies the reverse signal input from the duplexer 431c' to output to the remote optical transmitter / receiver 431a '.

A band pass filter (BPF) 431g 'filters only a desired frequency band from a reverse signal input from the reception antenna 431k' and outputs the filtered frequency band.

The second low noise amplifier 431h 'minimizes and amplifies the reverse signal input from the bandpass filter 431g' to output to the remote optical transmitter / receiver 431a '.

The remote modem 431i 'is provided for communicating with the donor 410'. The remote modem 431i 'may be a frequency shift keying (FSK) modem or an amplitude shift keying (ASK) modem, depending on the intended use.

Lightning arresters 431d 'and 431f' are provided at the transmitting and receiving antennas 431j 'and the receiving antenna 431k', respectively, to prevent damage due to lightning or overvoltage.

Meanwhile, even in the donor employed in the mobile communication repeater according to the present invention, signal processing units for forward and reverse signal processing may be modularized. An example of such a donor will be described with reference to FIGS. 4 and 5.

4 is a view for explaining an example of the donor 410 in the mobile communication repeater 400 according to an embodiment of the present invention. As shown in FIG. 4, the donor 410 of the mobile communication repeater 400 according to the present invention includes donor modules 411, 412, and 413, a donor control unit 414, and a donor power supply unit 415.

The donor module (OTRU: Optical Transmit-Receive Unit) 411 processes a forward signal input from the base station 600 and transmits it to the remote 430 side, and processes a reverse signal input from the remote 430 side to process the base station. The signal processor for transmitting to the (600) side and processing the forward and reverse signals is modular. The donor module 411 is connected to each of the remote 430 located in a remote place by an optical cable to transmit and receive a signal, at least one is provided according to the number of the remote 430, in the present embodiment three donor modules (411, 412, 413) The donor 410 is shown, and one of the donor modules 411 will be described.

The donor control unit (RCU: Repeater Control Unit) 414 monitors and controls the donor modules 411, 412, and 413.

A donor power supply unit (PSU) 415 is provided to supply power to the donor modules 411, 412, 413 and the donor control unit 414.

Here, the signal processing unit of the donor modules 411, 412, 413 is modularized, unlike the prior art in which each signal processing unit for processing the forward and reverse signals is designed in a donor module, the donor modules 411, 412, 413 are designed by unifying each signal processing unit. ) Is what happens. When each signal processing unit is circuitized in one design diagram, space and manufacturing can be achieved by using only one configuration that can be used in common, that is, a CPU required for monitoring and controlling the donor control unit 414 or a regulator for supplying stable power. You can save money.

The signal processing unit of the donor module 411 includes a forward amplifier 411a, a donor light transmitting and receiving unit 411b, reverse amplifiers 411c and 411d, a donor modem 411e, and the like. Hereinafter, the signal processing unit of one of the three donor modules 411, 412, 413 will be shown and described.

The forward amplifier 411a amplifies and outputs the forward signal input from the base station 600 side.

The donor optical transmitter / receiver 411b converts the forward signal output from the forward amplifier 411a into an optical signal and transmits the optical signal to the remote 430 side, and electrically converts a reverse signal, which is an optical signal input from the remote 430 side. Convert it to a signal and output it.

The reverse amplifiers 411c and 411d amplify the reverse signals output from the donor optical transmitter / receiver 411b and output them to the base station 600. Here, the repeater preferably has two reverse paths for diversity. Therefore, in this embodiment, it is shown that the two reverse amplification unit (411c, 411d) is provided.

The donor modem 411e is provided for communicating with the remote 430. That is, the donor control unit 414 notifies the network management system (NMS) through the donor control unit 414, and the donor light transmitting / receiving unit (not shown). 411b is transmitted to the remote 430 side. The donor modem 411e may be a frequency shift keying (FSK) modem or an amplitude shift keying (ASK) modem, depending on the intended use.

On the other hand, the donor module 411 measures a power detector unit (PDU) (not shown) and an attenuater (not shown) for automatically measuring an input signal level and adjusting an attenuation value thereof. It may further include.

The donor module of the donor in the mobile communication repeater may have various implementations of the signal processor according to a signal processing method. That is, in the 2nd and 3rd generation mobile communication systems, the base station (BTS or Node-B) receives a forward signal, which is an RF (Radio Frequency) signal, amplifies it, converts it into an optical signal, and transmits it to the remote side. On the contrary, the reverse signal is received and transmitted to the base station. However, in a mobile Internet (WiBro) service, a base station (RAS) receives a forward signal, which is an IF (intermediate frequency) signal, amplifies it, converts it into a digital signal, converts it to a high frequency, and transmits it to a remote side. do. Of course, the reverse signal down-converts the RF signal, analogizes it, and then amplifies and transmits the IF signal to the base station. Therefore, hereinafter, with reference to FIG. 5, another embodiment of the donor in the mobile communication repeater according to the present invention will be described.

The donor 510 of the repeater 500 according to another embodiment of the present invention includes donor modules 511, 512, 513, donor control unit 514, and donor power supply unit 515. In the donor for a repeater according to another embodiment of the present invention, the configuration of the signal processing unit of the donor module is changed, and focuses on the description of one donor module 511 among the three donor modules 511, 512, and 513.

The donor module 511 includes a forward amplifier 511a, an analog-digital converter 511b, a digital up-converter 511c, a donor light transmitting and receiving unit 511d, a digital down converter 511e and 511f, and a digital-analog. Conversion sections 511g and 511h, reverse amplifiers 511i and 511j, and donor modem 511k.

The forward amplifier 511a amplifies and outputs a forward signal, which is an IF signal input from the base station 600 side.

An analog-to-digital converter (ADC) 511b converts a forward signal, which is an analog signal output from the forward amplifier 511a, into a digital signal.

The digital up-converter 511c performs a frequency upconversion of the forward signal of the intermediate frequency (IF) band output from the analog-to-digital converter 511b to the radio frequency (RF) band, thereby receiving a donor optical transceiver. Output to the (511d) side.

The donor light transmitting / receiving unit 511d converts the forward signal output from the digital up-converter 511c into an optical signal and transmits it to the remote 430 side, and electrically converts a reverse signal, which is an optical signal input from the remote 4301 side. Convert it to a signal and output it.

The digital down-converters 511e and 511f frequency-convert the reverse signal of the radio frequency (RF) band output from the donor optical transceiver 511d to the intermediate frequency (IF) band.

The digital-analog converters 511g and 511h convert the reverse signal, which is a digital signal output from the digital down converters 511e and 511f, into an analog signal.

The reverse amplifiers 511i and 511j amplify the reverse signals output from the digital-analog converters 511g and 511h and output them to the base station 600.

In this embodiment, the mobile communication repeater 500 has two reverse paths in order to implement diversity. Accordingly, the digital down converters 511e and 511f and the digital-to-analog converters 511g, 511h) and reverse amplifiers 511i and 511j are provided, one for each path.

The donor modem 511k is provided for communicating with the remote 430. That is, the donor control unit 514 notifies the network management system (NMS) through the donor control unit 514, and the donor light transmitting / receiving unit (not shown) related to the signal transmission received from the network management system. 511d) to the remote 430 side. The donor modem 511k may be a frequency shift keying (FSK) modem or an amplitude shift keying (ASK) modem, depending on the intended use.

Descriptions of the donor control unit 514 and the power supply unit 515 have been described in detail above, so that redundant descriptions are avoided.

As described in detail above, the remote may be designed in various ways according to the use of the mobile communication repeater, and by configuring each integrated signal processing unit to configure the integrated module for the remote, the circuit and the CPU and regulators to be used in common This can significantly reduce the size of the integrated module for the remote, and furthermore, the remote, and also reduce the manufacturing cost. Therefore, the transport and installation of the remote, which is installed at a remote location, can be simplified, and the installation space can also be used efficiently.

In addition, in the donor module of the donor, each signal processing unit is modularized so that the CPU and the regulator can be used in common, so that the size of the donor can be greatly reduced and the manufacturing cost can be reduced. That is, by reducing the donor size of the mobile communication repeater mounted in the base station of the mobile communication system, it is possible to efficiently use the space in the base station that is saturated with the development of technology.

In general, although the donor for a mobile communication repeater has a size of 5U to 7U, the donor of the mobile communication repeater according to the present invention can be designed up to a size of 2U, and the miniaturization of such a donor is in accordance with the spirit of the present invention. As technology and integration advance, it may get smaller.

As described above, the detailed description of the present invention has been made by the embodiments with reference to the accompanying drawings, but the above-described embodiments have been described by way of example only, and thus the present invention is limited to the above embodiments. It should not be understood that the scope of the present invention is to be understood by the claims and equivalent concepts described below.

As described in detail above, according to the present invention, by designing a remote integrated module by modularizing the signal processing unit, components such as a CPU or a regulator, which are commonly used, do not need to be separately provided for each signal processing unit of the remote integrated module. Since the remote control unit and the power supply unit can be controlled and supplied by integration, the size of the integrated module for the remote, furthermore, the size of the remote can be significantly reduced, and the manufacturing cost can be reduced. Therefore, it is easy to carry and install the remote, and it is possible to implement a mobile communication repeater that can effectively utilize the space in which the remote is installed.

In addition, the donor module is also designed to be integrated in the donor control unit and the power supply unit to control and power supply, without having to be equipped with components such as a CPU or regulator commonly used in each signal processing unit of the donor module, It can significantly reduce the size of, reduce the manufacturing cost, and can more effectively use the limited space in the base station.

Claims (13)

A donor which processes a forward signal input from a base station and transmits the signal to a remote location, and processes a forward signal input from the remote site and transmits the reverse signal to the base station; And Located in the remote place, the remote processing the forward signal input from the donor to the terminal side, and processing the reverse signal input from the terminal side to transmit to the donor side; including; The remote, A remote signal processing module for processing forward signals input from the donor and transmitting them to the terminal side, and processing a forward signal input from the terminal side to the donor side, wherein each signal processor for processing the forward and reverse signals is modularized. Integrated module; A remote control unit for monitoring and controlling the integrated remote module; And And a remote power supply unit supplying power to the remote integration module and a remote control unit. The remote integration module, A remote optical transmitter / receiver for converting a forward signal, which is an optical signal received from the donor side, into an electrical signal, and converting a reverse signal, which is an electrical signal received from the terminal side, into an optical signal and transmitting the optical signal to the donor side; A power amplifying unit for amplifying and outputting a high power to propagate a forward signal input from the remote optical transmission and reception unit into the air; A first bandpass filter for filtering only a desired frequency band from a forward signal input from the power amplification unit and outputting the filtered frequency band to a transmission antenna side; A second band pass filter for filtering and outputting only a desired frequency band from a reverse signal input from a reception antenna side; A low noise amplifier for amplifying the reverse signal input from the second band pass filter to minimize noise and output the amplified signal to the remote optical transmitter / receiver; And A remote modem for communicating with the donor; The remote control unit, the mobile communication repeater, characterized in that the integrated control of the remote optical transmission and reception unit, the power amplifier unit, the first band pass filter, the second band pass filter, the low noise amplifier and the remote modem of the integrated module for remote control. . The method of claim 1, The remote power supply unit, characterized in that the integrated power supply to the remote optical transmission and reception unit, the power amplifier unit, the first band pass filter, the second band pass filter, the low noise amplifier and the remote modem of the integrated module for the remote. Mobile repeater. The method of claim 1, The remote integration module, And a lightning arrester installed at each of the transmitting antenna and the receiving antenna to prevent damage caused by lightning or overvoltage, respectively. A donor which processes a forward signal input from a base station and transmits the signal to a remote location, and processes a forward signal input from the remote site and transmits the reverse signal to the base station; And Located in the remote place, the remote processing the forward signal input from the donor to the terminal side, and processing the reverse signal input from the terminal side to transmit to the donor side; including; The remote, A remote signal processing module for processing forward signals input from the donor and transmitting them to the terminal side, and processing a forward signal input from the terminal side to the donor side, wherein each signal processor for processing the forward and reverse signals is modularized. Integrated module; A remote control unit for monitoring and controlling the integrated remote module; And And a remote power supply unit supplying power to the remote integration module and a remote control unit. The remote integration module, A remote optical transmitter / receiver for converting a forward signal, which is an optical signal received from the donor side, into an electrical signal, and converting a reverse signal, which is an electrical signal received from the terminal side, into an optical signal and transmitting the optical signal to the donor side; A power amplifying unit for amplifying and outputting a high power to propagate a forward signal input from the remote optical transmission and reception unit into the air; A first bandpass filter for filtering only a desired frequency band from a forward signal input from the power amplification unit and outputting the filtered frequency band to a transmission antenna side; A second band pass filter for filtering and outputting only a desired frequency band from a reverse signal input from a reception antenna side; A low noise amplifier for amplifying the reverse signal input from the second band pass filter to minimize noise and output the amplified signal to the remote optical transmitter / receiver; And A remote modem for communicating with the donor; The remote power supply unit, characterized in that the integrated power supply to the remote optical transmission and reception unit, the power amplifier unit, the first band pass filter, the second band pass filter, the low noise amplifier and the remote modem of the integrated module for the remote. Mobile repeater. A donor which processes a forward signal input from a base station and transmits the signal to a remote location, and processes a forward signal input from the remote site and transmits the reverse signal to the base station; And Located in the remote place, the remote processing the forward signal input from the donor to the terminal side, and processing the reverse signal input from the terminal side to transmit to the donor side; including; The remote, A remote signal processing module for processing forward signals input from the donor and transmitting them to the terminal side, and processing a forward signal input from the terminal side to the donor side, wherein each signal processor for processing the forward and reverse signals is modularized. Integrated module; A remote control unit for monitoring and controlling the integrated remote module; And And a remote power supply unit supplying power to the remote integration module and a remote control unit. The remote integration module, A remote optical transmitter / receiver for converting a forward signal, which is an optical signal received from the donor side, into an electrical signal, and converting a reverse signal, which is an electrical signal received from the terminal side, into an optical signal and transmitting the optical signal to the donor side; A power amplifying unit for amplifying and outputting a high power to propagate a forward signal input from the remote optical transmission and reception unit into the air; A duplexer for filtering only a desired frequency band from a forward signal input from the power amplifying unit side to a transmit / receive antenna side, and filtering and outputting only a desired frequency band from a reverse signal input from the transmit / receive antenna side; A first low noise amplifier for amplifying the reverse signal input from the duplexer to minimize noise and output the amplified signal to the remote optical transceiver; A band pass filter for filtering and outputting only a desired frequency band from a reverse signal input from a reception antenna side; A second low noise amplifier for amplifying the reverse signal input from the band pass filter to minimize noise and output the amplified signal to the remote optical transmitter / receiver; And A remote modem for communicating with the donor; The remote control unit, characterized in that for the integrated control of the remote optical transmission and reception unit, the power amplifier unit, the duplexer, the first low noise amplifier, the band pass filter, the second low noise amplifier and the remote modem of the integrated module for the remote control Communication repeater. The method of claim 5, The remote power supply unit may supply power to the remote optical transmitter / receiver, the power amplifier unit, the duplexer, the first low noise amplifier, the band pass filter, the second low noise amplifier, and the remote modem of the integrated module for remote use. Mobile repeater. The method of claim 5, The remote integration module, And a lightning arrester installed at each of the transmission and reception antennas to prevent damage due to lightning or overvoltage. A donor which processes a forward signal input from a base station and transmits the signal to a remote location, and processes a forward signal input from the remote site and transmits the reverse signal to the base station; And Located in the remote place, the remote processing the forward signal input from the donor to the terminal side, and processing the reverse signal input from the terminal side to transmit to the donor side; including; The remote, A remote signal processing module for processing forward signals input from the donor and transmitting them to the terminal side, and processing a forward signal input from the terminal side to the donor side, wherein each signal processor for processing the forward and reverse signals is modularized. Integrated module; A remote control unit for monitoring and controlling the integrated remote module; And And a remote power supply unit supplying power to the remote integration module and a remote control unit. The remote integration module, A remote optical transmitter / receiver for converting a forward signal, which is an optical signal received from the donor side, into an electrical signal, and converting a reverse signal, which is an electrical signal received from the terminal side, into an optical signal and transmitting the optical signal to the donor side; A power amplifying unit for amplifying and outputting a high power to propagate a forward signal input from the remote optical transmission and reception unit into the air; A duplexer for filtering only a desired frequency band from a forward signal input from the power amplifying unit side to a transmit / receive antenna side, and filtering and outputting only a desired frequency band from a reverse signal input from the transmit / receive antenna side; A first low noise amplifier for amplifying the reverse signal input from the duplexer to minimize noise and output the amplified signal to the remote optical transceiver; A band pass filter for filtering and outputting only a desired frequency band from a reverse signal input from a reception antenna side; A second low noise amplifier for amplifying the reverse signal input from the band pass filter to minimize noise and output the amplified signal to the remote optical transmitter / receiver; And A remote modem for communicating with the donor; The remote power supply unit may supply power to the remote optical transmitter / receiver, the power amplifier unit, the duplexer, the first low noise amplifier, the band pass filter, the second low noise amplifier, and the remote modem of the integrated module for remote use. Mobile repeater. A donor which processes a forward signal input from a base station and transmits the signal to a remote location, and processes a forward signal input from the remote site and transmits the reverse signal to the base station; And Located in the remote place, the remote processing the forward signal input from the donor to the terminal side, and processing the reverse signal input from the terminal side to transmit to the donor side; including; The donor is, A donor module that processes a forward signal input from the base station and transmits the signal to the remote side, and processes a reverse signal input from the remote side and transmits the signal to the base station. ; A donor controller for monitoring and controlling the donor module; And And a donor power supply unit supplying power to the donor module and the donor control unit. The donor module, A forward amplifier for amplifying and outputting a forward signal input from the base station; A donor optical transmitter / receiver for converting a forward signal output from the forward amplifier side into an optical signal and transmitting the optical signal to the remote side, and converting a reverse signal, which is an optical signal input from the remote side, into an electrical signal; At least one reverse amplifier for amplifying the reverse signal output from the donor optical transceiver and outputting the reverse signal to the base station; And A donor modem for communicating with the remote; And the donor controller controls the forward amplifier, the donor optical transmitter, the reverse amplifier, and the donor modem of the donor module. The method of claim 9, The donor power supply unit, the mobile communication repeater, characterized in that for supplying power to the forward amplifier, the donor optical transmitter, the reverse amplifier and the donor modem of the donor module. The method of claim 9, The donor module, An analog-to-digital converter for converting an analog form forward signal output from the forward amplifier into a digital form; A digital up-converter converting a forward signal of an intermediate frequency band output from the analog-digital converter into a radio frequency band and outputting the frequency up-converted to the donor optical transceiver; At least one digital down-converter for frequency down-converting a reverse signal of a radio frequency band output from the donor optical transceiver unit to an intermediate frequency band; And At least one digital-to-analog converter for converting a digital backward signal output from the digital down converter into an analog form; Mobile communication repeater further comprises. A donor which processes a forward signal input from a base station and transmits the signal to a remote location, and processes a forward signal input from the remote site and transmits the reverse signal to the base station; And Located in the remote place, the remote processing the forward signal input from the donor to the terminal side, and processing the reverse signal input from the terminal side to transmit to the donor side; including; The donor is, A donor module that processes a forward signal input from the base station and transmits the signal to the remote side, and processes a reverse signal input from the remote side and transmits the signal to the base station. ; A donor controller for monitoring and controlling the donor module; And And a donor power supply unit supplying power to the donor module and the donor control unit. The donor module, A forward amplifier for amplifying and outputting a forward signal input from the base station; A donor optical transmitter / receiver for converting a forward signal output from the forward amplifier side into an optical signal and transmitting the optical signal to the remote side, and converting a reverse signal, which is an optical signal input from the remote side, into an electrical signal; At least one reverse amplifier for amplifying the reverse signal output from the donor optical transceiver and outputting the reverse signal to the base station; And A donor modem for communicating with the remote; The donor power supply unit, the mobile communication repeater, characterized in that for supplying power to the forward amplifier, the donor optical transmitter, the reverse amplifier and the donor modem of the donor module. The method of claim 12, The donor module, An analog-to-digital converter for converting an analog form forward signal output from the forward amplifier into a digital form; A digital up-converter converting a forward signal of an intermediate frequency band output from the analog-digital converter into a radio frequency band and outputting the frequency up-converted to the donor optical transceiver; At least one digital down-converter for frequency down-converting a reverse signal of a radio frequency band output from the donor optical transceiver unit to an intermediate frequency band; And At least one digital-to-analog converter for converting a digital backward signal output from the digital down converter into an analog form; A mobile communication repeater further comprising.

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