KR20120001047A - Repeater system for mobile communication service and unified repeater for multiple mobile communication service providers - Google Patents

Abstract

PURPOSE: A repeater system for a mobile communication service and an unified repeater for multiple mobile communication service providers are provided to lower the strength of bidirectional signal. CONSTITUTION: A first bond and separator(220a) unites a forward direction signal per frequency from each repeater. The first bond and separator divides a backward signal per frequency to backward signal. The first bond and separator transmits a separated signal to the repeater of a corresponding frequency. An integrated line repeater(300) respectively controls gain and output strength based on the set value per frequency about the backward signal from the mobile communication terminal or the forward signal from the first bond and separator.

Description

Repeater system for mobile communication service and unified repeater for multiple mobile communication service providers

The present invention relates to a mobile communication repeater system and an integrated line repeater, and more specifically, to the forward signal from the repeater for each frequency or the reverse signal from the mobile communication terminal, the gain and output strength are automatically adjusted based on a value set for each frequency. The present invention relates to a mobile communication repeater system and an integrated line repeater.

In general, a mobile communication system aims to provide a quality service to a subscriber regardless of location. To this end, we have installed repeaters in search of areas with poor mobile service quality.

The repeater is an extension of the base station's wireless transmission / reception part.It is a device that can provide highly effective mobile communication service at low cost in radio wave shading areas such as in the building and underground.It is widely used for increasing subscriber capacity and service for a specific area. have.

1 is a diagram illustrating a conventional repeater system for a mobile communication service in a radio shading area such as an elevator.

Referring to FIG. 1, a repeater system for a mobile communication service in a radio shading area such as an elevator includes repeaters 110a, 110b,... 110n, hereinafter referred to as 110, installed from each frequency, from each repeater 110. A first combiner and separator 120a for combining and separating signals, a second combiner and separator for combining a CATV signal from a cable television (CATV) box 130 and a forward signal from the first combiner and separator 120a 120b, and a third combiner and separator 120c that separates the combined signal from the second combiner and separator 120b into a CATV signal and a forward signal.

Each frequency repeater 110 is connected to the first combiner and separator 120a through an RF cable 115, respectively, and the first combiner and separator 120a is connected to the second through an RF sharing cable 125. It is connected to the coupling and separator 120b.

In addition, the signal coupled by the second coupler and separator 120b is transmitted to the third coupler and separator 120c installed in the elevator 155 through the RF cable 115.

The third combiner and separator 120c separates the signal transmitted from the second combiner and separator 120b into a CATV signal and a forward signal, and transmits the CATV signal to the CATV device 160, and the forward signal transmits the service antenna. It transmits to the mobile communication terminal 180 through.

However, in the above system, when the mobile communication signal is weak, the mobile communication terminal outputs a signal of high intensity according to the power control procedure, which may affect the control circuit inside the elevator, thereby inhibiting the safe operation of the elevator. .

In addition, in order to compensate for the loss of the RF signal caused by the coupling and separation of the RF cable (Cable) that transmits the RF signal to the elevator, the output of the repeater must be sent high, resulting in an increase in the repeater price, and the loss of the RF signal on the reverse side. There is a problem that the output power of the terminal is increased by increasing the noise figure.

In addition, it is necessary to adjust the repeater forward output and gain according to the difference in the length of the RF cable according to the installation environment.In reality, it is difficult to adjust the forward output and gain according to the lift signal because the repeater must send signals to other spaces besides the lift. there is a problem.

The present invention has been made to solve the above problems, and an object of the present invention is to increase the output strength of the frequency-specific forward (base station to mobile station direction) signal, the movement that can lower the output strength of the reverse (mobile station to base station) signal To provide a communication repeater system and an integrated line repeater.

Another object of the present invention is to automatically adjust the output and gain of the signal according to the difference in the output signal strength of each repeater and the difference in the length of the RF cable between each repeater and the first coupling and splitter, so that the signal strength from each repeater It provides a mobile communication repeater system and an integrated line repeater that can transmit a constant output even when the signal strength of each repeater is changed or maintain a constant signal strength in a radio shade area such as an elevator, and provide stable service. have.

In order to achieve the above object, according to one aspect of the present invention, a frequency-specific repeater for filtering and amplifying a forward signal received from a base station, or for filtering and amplifying a backward signal from a mobile communication terminal, from each repeater A first combiner and separator for combining a forward frequency signal of each frequency, or splitting the reverse signal into a reverse frequency signal for each frequency and transmitting the same to a repeater of a corresponding frequency, a forward signal from the first combiner and separator, or from the mobile communication terminal For the reverse signal, a mobile communication relay system including an integrated line repeater that adjusts gain and output strength, respectively, based on a value set for each frequency, is provided.

The mobile communication relay system combines a forward signal from the integrated line repeater and a CATV signal from a cable television (CATV) box and transmits the signal through an RF cable or separates the signal from the RF cable into a reverse signal and a CATV signal. 2 a combiner and a splitter, the signal from the RF cable is separated into a forward signal and a CATV signal and transmitted to a mobile communication terminal and a CATV device, or the reverse signal from the mobile communication terminal and a CATV signal from a CATV device are combined The apparatus may further include a third coupler and a separator that is sent to the second coupler and the separator through a cable.

According to another aspect of the present invention, a first multiplexer for classifying a mobile communication service based on a frequency band for a forward signal from a repeater for each frequency, and moves based on a frequency band for a reverse signal from at least one mobile communication terminal. A second multiplexer for dividing a communication service, and a forward output and gain control module configured to adjust gain and output strength for each frequency based on a preset value for each frequency from the first multiplexer, based on a preset value for each frequency, and the second For a reverse signal from the multiplexer, a reverse output and gain control module for adjusting the gain and output strength for each frequency based on a preset value for each frequency, from the forward output and gain control module or the reverse output and gain control module. Note based on frequency-specific power detection signals By number of the integrated line repeater it is provided that includes a control module for outputting a gain adjustment control signal for the gain control.

The forward output and gain control module is an IF (Intermediate Frequency) divider for distributing a signal converted to an intermediate frequency after low noise amplification, and a gain based on a gain adjustment control signal from the control module for the forward signal distributed in the IF divider. And a gain adjuster for adjusting the output strength for each frequency, a power combiner for combining forward frequency signals output from each gain adjuster, and a frequency up converter for up-converting the frequency of the signal received from the power combiner. A band pass filter for filtering only signals of a desired band from a signal received from a converter, a high power amplifier (HPA) for amplifying a signal received from the band pass filter, monitoring the entire output by detecting power of the signal received from the HPA, or Full output to output detection signal for full gain control Detector, includes an isolator for separating the reflected wave of the signal outputted from the full-power detector.

The gain adjusting unit adjusts the gain of the signal received from the IF SAW filter based on an IF SAW filter passing only a signal having a corresponding frequency in a forward signal from the IF splitter, and a gain adjusting control signal from the control module. And a power detector for detecting power in a signal from the gain regulator and transmitting a power detection signal to the control module.

The forward output and gain control module is separately provided according to a mobile communication service according to a frequency band.

The reverse output and gain control module is an IF divider for distributing a reverse signal converted to an intermediate frequency after low noise amplification, and a gain and output strength based on a gain adjustment control signal from the control module for the reverse signal distributed in the IF divider. A gain adjuster for adjusting the frequency by frequency, a power combiner for combining reverse signals for each frequency output from the gain adjuster, a frequency up converter for up-converting the frequency of the signal received from the power combiner, and received from the frequency up converter. A band pass filter for filtering only signals of a desired band in one signal, an HPA for amplifying a signal received from the band pass filter, and a power signal of the signal received from the HPA to detect a signal for overall output monitoring or overall gain control A total power detector to output, the power detection It includes an isolator for separating the reflected wave of the signal output from the device.

The gain control unit adjusts the gain of the signal received from the IF SAW filter based on an IF SAW filter that passes only a signal of a corresponding frequency in a reverse signal from the IF divider, and a gain adjustment control signal from the control module. And a power detector for detecting power in a signal from the gain regulator and transmitting a power detection signal to the control module.

The reverse output and gain control modules are provided according to types of mobile communication services according to frequency bands.

As described above, according to the present invention, two or more mobile communication service providers use an integrated line repeater to improve the quality of mobile communication service in the radio shading area, thereby compensating for the loss caused by the RF cable and RF signal combiner and splitter. The cost of equipment can be reduced, and the reverse noise figure can be reduced.

Further, even if the signal strength from each repeater is different or the signal strength of each repeater is changed, a constant output may be sent to maintain a constant signal strength in a radio shading area such as an elevator, and provide a stable service.

1 is a diagram illustrating a conventional repeater system for a mobile communication service in a radio shading area such as an elevator.
2 is a diagram schematically showing the configuration of a mobile communication relay system according to an embodiment of the present invention.
3 is a diagram schematically showing the configuration of a mobile communication relay system in a radio shading area such as an elevator according to an embodiment of the present invention.
4 is a view showing in detail the configuration of the integrated line repeater according to the present invention.

The foregoing and other objects, features, and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG.

Hereinafter, the signal from the base station toward the mobile communication terminal is referred to as a forward signal, and the signal from the mobile communication terminal toward the base station will be described as a reverse signal.

2 is a diagram schematically showing the configuration of a mobile communication relay system according to an embodiment of the present invention.

2, the mobile communication relay system is a frequency-specific repeater (210a, 210b, ..., 210n, hereinafter referred to as 210) differently allocated according to the operator, the first combiner and separator for combining and separating the signals for each frequency 220a, an integrated line repeater 300.

Here, the frequency refers to different frequency bands assigned to different operators that provide services through the repeater 210, such as a communication service provider, a cable broadcast service provider, and the like. Therefore, frequencies are allocated differently for each operator.

The repeater 210 filters and amplifies a forward signal received from the base station 200 through a donor antenna, or filters and amplifies a backward signal from a mobile communication terminal to the base station 200. Each repeater 210 filters and amplifies the forward or reverse signals corresponding to the assigned frequencies, respectively.

The first combiner and separator 220a combines forward signals for each frequency from each repeater 210 and sends them to the integrated line repeater 300, or separates the reverse signals into reverse signals for each frequency to repeat the corresponding frequency. Transmit to 210.

The integrated line repeater 300 automatically adjusts the output strength and the gain based on the frequency set for the forward signal from the first combiner and separator 220a or the reverse signal from the mobile communication terminal. do.

In addition, the integrated line repeater 300 receives a reverse signal from a mobile communication terminal in a shaded area such as an elevator, and automatically adjusts the output strength and gain based on a value set for each frequency so that the first combiner and separator ( 220a).

Detailed description of the integrated line repeater 300 will be described with reference to FIG. 4.

Each repeater 210 and the first combiner and separator 220a are connected via an RF cable 215, respectively, and the first combiner and separator 220a and the integrated line repeater 300 are RF sharing cables 225. Is connected via).

3 is a diagram schematically illustrating a configuration of a mobile communication relay system in a radio shading area such as an elevator according to an embodiment of the present invention.

Referring to FIG. 3, a mobile communication relay system in a radio wave region such as an elevator includes a repeater for each frequency (210a, 210b, ..., 210n, hereinafter referred to as 210), which is differently allocated according to the operator. And a mobile communication terminal 280 in a radio shading area by connecting with a CATV device installed in a radio shading area such as a first combiner and separator 220a, an integrated line repeater 300, an elevator, and the like, for coupling and separating the signals. Second and third combiners and separators 220b and 220c to enable relaying of the RF signal between the terminals.

Since the repeater 210, the first coupling and separator 220a, and the integrated line repeater 300 correspond to FIG. 2, description thereof will be omitted.

The second combiner and separator 220b combines the forward signal from the integrated line repeater 300 and the CATV signal from the CATV box 230 to be transmitted to the RF cable 215 or from the RF cable 215. Signal is separated into a reverse signal and a CATV signal by the mobile communication terminal 280.

The third combiner and separator 220c separates the signal from the RF cable 215 into a forward signal and a CATV signal, and transmits the signal to the mobile communication terminal 280 and the CATV device 260, or the mobile communication terminal 280. And combines the reverse signal from < RTI ID = 0.0 >) < / RTI > and the CATV signal from CATV device 260 and transmits it to the second combiner and separator 220b via the RF cable 215.

Hereinafter, a method of operating the system configured as described above will be described.

First, a method of operating a mobile communication relay system in a forward path from the base station 200 to the mobile communication terminal 280 will be described.

Each repeater 210 receives and amplifies a signal transmitted from the base station 200 of the corresponding frequency through a donor antenna, and then transmits the signal to the first combiner and separator 220a through the RF cable 215.

The first combiner and separator 220a combines the frequency-specific forward signals from the first to nth repeaters 210 and then transmits them to the integrated line repeater 300 through the RF sharing cable 225.

The integrated line repeater 300 automatically adjusts an output strength and a gain based on a value set for each forward frequency for a forward signal for each frequency, and transmits the result to the second combiner and separator 220b.

The second combiner and separator combines 110 the forward signal from the integrated line repeater with the CATV signal from the CATV BOX 230 and transmits it to the RF cable 215 installed up to the elevator 255.

The signal from the RF cable 215 installed from the elevator passage 250 to the elevator 255 is input to the third combiner and separator 220c, and the third combiner and separator 220c moves the signal with the CATV signal. The CATV signal is transmitted to the CATV device 260 and the mobile communication forward signal is transmitted to the service antenna 270.

Next, a method of operating the mobile communication relay system in a reverse path from the mobile communication terminal 280 to the base station 200 will be described.

The third combiner and separator 220c combines the reverse frequency-specific signals from the mobile communication terminal 280 of the first to nth frequencies with the CATV signal from the CATV device 260 to the elevator RF cable 215. Send.

The signal output from the elevator RF cable 215 is transmitted to the CATV BOX 230 via the second combiner and separator 220b, and the mobile communication reverse signal is transmitted to the integrated line repeater 300.

The integrated line repeater 300 automatically adjusts the output strength and gain based on the frequency set value for the reverse signal for each frequency, and then transmits the signal to the first combiner and separator 220a through the RF sharing cable 225. do.

The first combiner and separator 220a determines the frequency of the reverse signal from the integrated line repeater 300 and transmits the frequency to the repeater 210 of the corresponding frequency.

Then, each repeater 210 passes and amplifies only the reverse signal of the corresponding frequency and transmits it to the donor antenna.

Although only the use of CATV equipment installed in the radio shadow area is described here, it is also possible to use closed-circuit television (CCTV) equipment.

In the mobile communication relay system as described above, by installing the integrated line repeater 300 between the common RF cable 225 and the second coupling and separation device 220b, problems caused by the difference in RF cable loss can be solved. .

In addition, by installing the integrated line repeater 300 it is possible to reduce the equipment output of the repeater 210 by reducing the repeater output signal strength for each frequency in the forward direction (from the base station to the mobile station direction), it is possible to reduce the overall reverse noise figure.

In addition, input to the first combiner and separator 220a, which is caused by the difference in the output signal strength of the repeater 210 and the difference in the RF cable length between the first combiner and disconnect 220a from each repeater 210. It is possible to automatically adjust the output and gain of signals with different intensities, so that even if the signal strength from each repeater 210 is different or the signal strength of each repeater 210 is changed, it outputs a constant output to provide radio wave shading such as inside an elevator. The signal strength in the area can be kept constant and stable service can be provided.

4 is a view showing in detail the configuration of the integrated line repeater according to the present invention.

Referring to FIG. 4, the integrated line repeater 300 includes first and second multiplexers 310 and 320, forward output and gain adjustment module 330, reverse output and gain adjustment module 360, and control module 390. It includes.

The first multiplexer 310 classifies the forward signal from the repeater for each frequency according to a mobile communication service such as wideband code division multiple access (WCDMA), code division multiple access (CDMA), and the like. 330). That is, the first multiplexer 310 separates the forward signal into frequency bands. Then, the forward signal is classified according to mobile communication services such as WCDMA and CDMA according to frequency bands.

The forward output and gain adjustment module 330 adjusts the output strength and the gain according to a preset value for each frequency for the frequency-specific forward signal from the first multiplexer 310.

The forward output and gain adjustment module 330 is provided according to a mobile communication service according to a frequency band, respectively. For example, the forward output and gain adjustment module 330 is a first forward output and gain adjustment module for adjusting the output strength and gain for each frequency with respect to the frequency forward signal of the WCDMA, frequency for the frequency forward signal of the CDMA It is divided into a second forward output and a gain control module for adjusting the output strength and gain.

The forward output and gain control module 310, which performs the above role, includes a low noise amplifier 331, a frequency down converter 332, an intermediate frequency (IF) divider 333, a gain control unit 340, Power combiner 334, frequency up converter 335, band pass filter 336, high power amplifier (HPA) 337, total power detector 338, and isolator 339.

The low noise amplifier 331 minimizes and amplifies the noise of the forward signal from the first multiplexer 310 and transmits the amplified signal to the frequency down converter 332.

The frequency down converter 332 converts the amplified signal to an intermediate frequency and transmits the amplified signal to the IF divider 333.

The IF divider 333 distributes the signal converted into the intermediate frequency to each gain control unit 340a, 340b and transmits it.

The gain adjusting unit 340 adjusts the gain and the output strength for each frequency based on the gain control signal from the control module 390 with respect to the signal from the IF divider 333. Each frequency is provided.

That is, the gain adjuster 340 may include a first gain adjuster 340a for adjusting gain and output of a first frequency forward signal, and a second gain adjuster 340b for adjusting gain and output of a second frequency forward signal. ) And so on.

The gain adjuster 340 performing the above role includes an IF SAW filter 341, a gain adjuster 342, and a power detector 343.

The IF SAW filter 341 passes only the signal of the corresponding frequency in the forward signal received from the IF divider 333 and transmits the signal to the gain adjuster 342.

The gain adjuster 342 adjusts the gain of the signal received from the IF SAW filter 341 based on the gain adjustment control signal from the control module 390. That is, if the gain adjustment control signal is a signal meaning to lower the gain, the gain adjuster 342 lowers the gain of the signal received from the IF SAW filter 341.

When gain adjustment is performed in the gain adjuster 342, the output strength of the corresponding signal is adjusted.

The power detector 343 detects power from the signal received from the gain adjuster 342 and transmits a power detection signal to the control module 390.

The IF SAW filter 341, the gain adjuster 342, and the power detector 343 are provided for each frequency.

The power combiner 334 combines the signals for each frequency output from each gain control unit 340 and transmits them to the frequency up converter 335.

The frequency up converter 335 up-converts the frequency of the signal received from the power combiner 334 and transmits the frequency up to the band pass filter 336.

The band pass filter 336 filters only signals of a desired band from signals received from the frequency up converter 335.

The HPA 337 amplifies the signal received from the band pass filter 336.

The total power detector 338 detects the power of the signal received from the HPA 337 and outputs a detection signal for total output monitoring or total gain control.

The isolator 339 separates the reflected wave of the signal output from the total power detector 338.

The reverse output and gain adjustment module 360 adjusts the output strength and the gain according to a preset value for each reverse frequency of the reverse signal from the second multiplexer 320.

The reverse output and gain control module 360, which performs the above role, corresponds to the forward output and gain control module 330 and its configuration, and thus description thereof will be omitted.

The control module 390 outputs a gain adjustment control signal for gain adjustment for each frequency based on the power detection signal for each frequency from the forward output and gain adjustment module 330 or the reverse output and gain adjustment module 360. do.

That is, the control module 390 compares the power detection signal from the power detector 343 with a preset value and generates a gain adjustment control signal for outputting a gain and an output intensity according to the set value to adjust the corresponding gain. It sends to the unit 340.

Hereinafter, a method of operating the integrated line repeater 300 configured as described above will be described.

First, the operation of the integrated line repeater 300 in the WCDMA forward path that is the direction of the mobile station in the WCDMA base station will be described.

The forward signal input from the RF sharing cable is supplied to the low noise amplifier 331 through the first multiplexer 310 and converted to the intermediate frequency while passing through the frequency down converter 332.

The gain of the first frequency forward signal passing through the IF divider 333 is automatically adjusted according to a preset value in the gain adjuster 342a after passing through the IF SAW filter 341a.

The gain-adjusted first frequency forward signal passes through a power detector 343a. The power detector 343a detects power of the first frequency forward signal and transmits a power detection signal to the control module 390. The first frequency forward signal is transmitted to a power combiner 334.

The power combiner 334 combines the first frequency forward signal and the nth frequency forward signal to transmit the frequency up converter 335. The combined signal passes through a frequency up converter 335 through a band pass filter 336 and then through a second multiplexer 320 via a WCDMA HPA 337, a full power detector 338, and an isolator 339. It is sent out.

The WCDMA signal has been described above, but the same method applies to CDMA.

Next, the operation of the integrated line repeater in the WCDMA reverse path in the direction of the base station in the WCDMA mobile station will be described.

The mobile communication reverse signal is supplied to the low noise amplifier 361 through the second multiplexer 216 and converted to an intermediate frequency while passing through the frequency down converter 362.

The first frequency reverse signal passing through the IF divider 363 passes through the IF SAW filter 371a and the gain is automatically adjusted according to a preset value in the gain adjuster 342a. In other words, the gain adjuster 372a automatically adjusts the reverse gain by the forward gain automatically adjusted by the control module 390.

The gain-adjusted first frequency reverse signal passes through a power detector 343a. The power detector 373a detects power of the first frequency reverse signal to transmit a power detection signal to the control module 390. The first frequency reverse signal is transmitted to a power combiner 364.

The power combiner 364 combines the first frequency reverse signal and the nth frequency reverse signal to transmit to the frequency up converter 365. The combined signal passes through a frequency up converter 365 through a band pass filter 366 and then through a first multiplexer 310 via a WCDMA HPA 367, a full power detector 368, and an isolator 369. It is sent out.

The WCDMA signal has been described above, but the same method applies to CDMA and the like.

By using the integrated line repeater 300 configured as described above it is possible to compensate for the loss of the conventional RF cable and RF signal coupling and splitter to reduce the equipment price of the repeater and reduce the reverse noise figure.

As such, those skilled in the art will appreciate that the present invention can be implemented in other specific forms without changing the technical spirit or essential features thereof. Therefore, the above-described embodiments are to be understood as illustrative in all respects and not as restrictive. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

As described above, since the mobile communication repeater system and the integrated line repeater of the present invention use an integrated line repeater to improve the quality of mobile communication service in two or more mobile communication service providers, the loss caused by the cable is compensated for. It is suitable for the high necessity to reduce the equipment price of the repeater.

200: base station 210: repeater
215: RF cable 220: combiner and separator
225: RF sharing cable 300: integrated line repeater
260: CATV apparatus 250: elevator passage
255: elevator 280: mobile communication terminal
310: first multiplexer 320: second multiplexer
330: forward output and gain adjustment module
331, 431, 361, 461: low noise amplifier
332, 432, 362, 462: intermediate frequency amplifier
333, 433, 363, 463: IF divider 340, 370, 440, 470: gain control unit
341, 371, 441, 471: So filter 342, 372, 442, 472: Gain regulator
343, 373, 443, 473: power detector 334, 434, 364, 464: power combiner
335, 435, 365, 465: frequency up converter
336, 436, 366, 466: band pass filter
337, 437, 367, 467: HPA 338, 438, 368, 468: second power detector
339, 439, 369, 469: isolator

Claims (9)

A frequency-specific repeater for filtering and amplifying a forward signal received from a base station, or for filtering and amplifying a backward signal from a mobile communication terminal to the base station;
A first combiner and separator for combining forward signals for each frequency from each repeater, or for separating the reverse signals into reverse signals for each frequency and transmitting them to repeaters of the corresponding frequencies; and
An integrated line repeater for respectively adjusting gain and output strength of the forward signal from the first combiner and the separator or the reverse signal from the mobile communication terminal based on a value set for each frequency;
Mobile communication relay system comprising a.
The method of claim 1,
A second combiner and splitter combining the forward signal from the integrated line repeater and the CATV signal from a cable television (CATV) box to be transmitted to an RF cable, or separating the signal from the RF cable into a reverse signal and a CATV signal; and
The signal from the RF cable is separated into a forward signal and a CATV signal and transmitted to a mobile communication terminal and a CATV device, or a reverse signal from the mobile communication terminal and a CATV signal from a CATV device are combined to form the first signal through the RF cable. And a third combiner and a separator for sending out to the combiner and the separator. 2.
A first multiplexer for dividing a mobile communication service based on a frequency band for a forward signal from a frequency-specific repeater;
A second multiplexer for classifying a mobile communication service based on a frequency band for a reverse signal from at least one mobile communication terminal;
A forward output and gain control module configured to adjust gain and output strength for each frequency based on a predetermined value for each frequency from the first multiplexer based on a frequency-specific forward signal;
A reverse output and gain adjustment module configured to adjust gain and output strength for each of the reverse signals from the second multiplexer on a frequency-by-frequency basis based on a preset value;
A control module for outputting a gain adjustment control signal for gain adjustment for each frequency based on a power detection signal for each frequency from the forward output and gain adjustment module or the reverse output and gain adjustment module;
Integrated line repeater comprising a.
The method of claim 3,
The forward output and gain adjustment module,
An intermediate frequency (IF) divider for distributing the signal converted to the intermediate frequency after low noise amplification;
A gain adjuster for adjusting the gain and the output intensity for each frequency based on a gain adjustment control signal from the control module with respect to the forward signal distributed by the IF divider;
A power combiner for coupling a frequency-specific forward signal output from each gain control unit;
A frequency up converter for upconverting the frequency of the signal received from the power combiner;
A band pass filter for filtering only a signal having a desired band from the signal received from the frequency up converter;
A high power amplifier (HPA) for amplifying a signal received from the band pass filter;
A total power detector which detects power of a signal received from the HPA and outputs a detection signal for total output monitoring or total gain control; and
And an isolator separating the reflected waves of the signals output from the entire power detector.
The method of claim 4, wherein
The gain control unit,
An IF SAW filter for passing only a signal of a corresponding frequency in a forward signal from the IF divider;
A gain adjuster adjusting an output strength by adjusting a gain of a signal received from the IF SAW filter based on a gain adjustment control signal from the control module; and
And a power detector that detects power in the signal from the gain regulator and transmits a power detection signal to the control module.
The method of claim 4, wherein
The forward output and gain control module is an integrated line repeater, characterized in that provided according to the type of mobile communication service according to the frequency band.
The method of claim 3,
The reverse output and gain control module,
An IF divider for distributing the reverse signal converted to the intermediate frequency after low noise amplification;
A gain adjuster for adjusting the gain and the output intensity for each frequency based on a gain control control signal from the control module with respect to the reverse signal distributed by the IF divider;
A power combiner for coupling the reverse frequency-specific signals output from the gain control unit;
A frequency up converter for upconverting the frequency of the signal received from the power combiner;
A band pass filter for filtering only a signal having a desired band from the signal received from the frequency up converter;
HPA for amplifying the signal received from the band pass filter;
A total power detector which detects power of a signal received from the HPA and outputs a detection signal for total output monitoring or total gain control; and
And an isolator separating the reflected waves of the signal output from the power detector.
The method of claim 7, wherein
The gain control unit,
An IF SAW filter for passing only a signal of a corresponding frequency in a reverse signal from the IF divider;
A gain adjuster adjusting an output strength by adjusting a gain of a signal received from the IF SAW filter based on a gain adjustment control signal from the control module; and
And a power detector that detects power in the signal from the gain regulator and transmits a power detection signal to the control module.
The method of claim 7, wherein
The reverse output and gain control module is integrated line repeater, characterized in that provided according to the type of mobile communication service according to the frequency band

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