WO2020184841A1

WO2020184841A1 - Device for sharing base station

Info

Publication number: WO2020184841A1
Application number: PCT/KR2020/001634
Authority: WO
Inventors: 김병철; 정종윤; 이상수; 도은빈; 원정희
Original assignee: 주식회사 케이엠더블유
Priority date: 2019-03-14
Filing date: 2020-02-04
Publication date: 2020-09-17
Also published as: KR102081073B1; KR20200110258A

Abstract

Disclosed is a device for sharing a base station. According to an embodiment of the present invention, a device for sharing a base station is a device for enabling a first system to a third system, which use signals of different frequency bands, to share a single base station, and the device comprises: a front end part comprising a first synthetic distributor connected to the first system, a fourth synthetic distributor connected to an antenna, and a first and a second filter connected between the first and fourth synthetic distributors so as to selectively transmit a transmission/reception signal of the first system; and a rear end part comprising a third synthetic distributor connected to the third system, a second synthetic distributor connected to the second system and the fourth synthetic distributor, and a third and a fourth filter connected between the third and second synthetic distributors so as to selectively transmit a transmission/reception signal of the third system.

Description

Base station commonization device

The present invention is an apparatus that allows a plurality of systems to share a single base station, and more specifically, a base station that enables three or more systems to share a single base station by selectively filtering the frequency bands of each system using a filter. It relates to a common device.

The content described in this section merely provides background information on the present invention and does not constitute prior art.

Each service provider that provides a mobile communication system and a wireless communication system installs an independent base station separately to provide a wireless communication service. Therefore, problems such as redundant investment due to the installation of individual base stations occur, it is difficult to secure a space for installing multiple base stations, or the radio wave quality is deteriorated due to mutual interference between multiple base stations installed in a narrow place. Are doing.

As a solution to this problem, a method in which systems using different frequency bands (different channels) share a single base station is being implemented, and a representative example thereof is shown in FIG. 1.

As shown in FIG. 1, the filter unit 1 and the filter unit 2 are set to filter the frequency band of the system 2 (system 2). Accordingly, the transmission signal of the system 2 is distributed by the combination divider 2, passes through the

filter units

1 and 2, is synthesized by the combination divider 1, and is transmitted through the antenna ANT. Correspondingly, the received signal of the system 2 received through the antenna is distributed by the combination divider 1, passes through the

filter units

1 and 2, is synthesized by the combination divider 2, and is received by the system 2.

Since the filter unit 1 and the filter unit 2 filter only the frequency band of the system 2, the transmission signal of the system 1 distributed from the synthesis divider 1 does not pass through the filter unit 1 and the filter unit 2, and the total reflection ( return), it is synthesized again in the synthesizer 1 and transmitted through the antenna. Correspondingly, the received signal of the system 1 received through the antenna is distributed by the synthesis divider 1, is totally reflected by the filter unit 1 and the filter unit 2, is synthesized again by the synthesis divider 1, and is received by the system 1.

As described above, it can be seen that the conventional base station commonization method provides some alternatives to the above-described problems in terms of being able to service transmission/reception signals of different frequency bands in a single base station.

However, while the number of frequency bands that a wireless communication system has to service, such as 3G, 4G, 5G, etc., gradually increases, the conventional base station sharing method limits the number of frequency bands that can be shared to two. Since the number of channels is limited to 2). Therefore, it can be said that the conventional base station sharing method has a limit in terms of the number of sharable frequency bands.

Accordingly, there is a need for a new method that can increase the number of frequency bands sharing a single base station with the development of a wireless communication system.

An embodiment of the present invention has a main object to provide a new base station sharing apparatus that enables a larger number of channels to share a single base station compared to a conventional method.

According to an embodiment of the present invention, according to an embodiment of the present invention, as an apparatus for allowing the first to third systems using signals of different frequency bands to share a single base station, a second system connected to the first system A front end portion including a first synthesis divider, a fourth synthesis divider connected to an antenna, and first and second filters connected between the first and fourth synthesis dividers to selectively pass transmission/reception signals of the first system; And a third synthesis divider connected to the third system, a second synthesis divider connected to the second system and the fourth synthesis divider, and a transmission/reception signal of the third system connected between the third and second synthesis dividers. And a rear end portion including third and fourth filters selectively passing through, and the first synthesis divider distributes a signal input from the first system and outputs the distributed signal to the first and second filters, and The signals input from the first and second filters are synthesized and output to the first system, and the fourth synthesis divider distributes the signal input from the antenna or the second synthesis divider to the first and second filters. Output, synthesizes the signals input from the first and second filters, and outputs them to the antenna or the second synthesis divider, and the second synthesis divider includes a signal input from the second system or the fourth synthesis divider. Is distributed to the third and fourth filters, synthesizes signals input from the third and fourth filters, and outputs them to the second system or the fourth synthesis divider, and the third synthesis divider comprises: Distributing a signal input from a third system and outputting it to the third and fourth filters, and synthesizing the signal input from the third and fourth filters and outputting the combined signal to the third system. to provide.

In the present invention, since three or more wireless communication signals having different frequency bands are configured to share a single base station, it is possible to implement commonization optimized for the development or increase of wireless communication.

In addition, since the present invention is configured so that a larger number of wireless communication systems can share a single base station compared to the prior art, redundant investment, difficulty in securing space, and deterioration of radio wave quality can be solved at once.

1 is a block diagram schematically showing an example of a conventional base station sharing apparatus.

2 is a block diagram schematically showing an example of a base station sharing apparatus according to the present invention.

3 is a block diagram schematically showing an example of the present invention for realizing common use by applying a hybrid coupler.

4 is a diagram for explaining the operation of the hybrid coupler.

5 to 7 are block diagrams schematically showing various examples of the present invention implementing common use by applying some or all of the magic teas.

8 is a view for explaining the operation of the magic tea.

9 is a block diagram schematically showing another example of an apparatus for sharing a base station according to the present invention.

10 to 13 are block diagrams schematically showing various examples of the present invention for realizing common use by applying some or all of a hybrid coupler and magic tea based on the example of FIG. 9.

Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. In adding reference numerals to elements of each drawing, it should be noted that the same elements are assigned the same numerals as possible even if they are indicated on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

In addition, in describing the constituent elements of the present invention, terms such as first, second, A, B, (a), (b) may be used. These terms are only used to distinguish the component from other components, and the nature, order, or order of the component is not limited by the term. Throughout the specification, when a part'includes' or'includes' a certain element, it means that other elements may be further included rather than excluding other elements unless otherwise stated. . In addition, the'... Terms such as'sub' and'module' mean a unit that processes at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software.

As shown in FIG. 2, the apparatus for common use of a base station (hereinafter, referred to as a'common equipment') 200 according to the present invention includes first to

third systems

240, 250, and 260 using different frequency bands. ) Corresponds to an apparatus for servicing the transmission and reception signals of) through a single base station.

The first to

third systems

240, 250, and 260 may correspond to wireless communication systems operated or managed by the same or different operators or subscribers. That is, the three

systems

240, 250, and 260 may be managed by a single operator, or one or more of the three

systems

240, 250, and 260 may be managed by the same operator.

The first to

third systems

240, 250, and 260 may perform wireless communication using transmission/reception signals (channels) having different frequency bands. For example, the first system 240 uses the channel of the relatively lowest band (low channel), the third system 260 uses the channel of the relatively highest band (high channel), and the second The system 250 may use a middle channel compared to the first system 240 and the third system 260.

As another example, each of the first system 240, the second system 250, and the third system 260 is a high channel/middle channel/low channel, a middle channel/low channel/high channel, a middle channel/high channel/ Low channel, low channel/high channel/middle channel and high channel/low channel/middle channel are available.

As shown in Figure 2, the commonization apparatus 200 according to the present invention may be configured to include a front end 270 and a rear end 280. The front end 270 may include a first composite distributor 210-1, a fourth composite distributor 210-4, a first filter 222, and a second filter 224. The first combination divider 210-1 may be connected to the first system 240 through a first port, and the fourth combination divider 210-4 may be connected to the antenna ANT through an eighth port.

The first filter 222 is a first synthesis distributor 210-1 and a fourth synthesis distributor through a third port of the first synthesis distributor 210-1 and a seventh port of the fourth synthesis distributor 210-4. It can be connected to (210-4). A signal path (first signal path) may be formed between the first synthesis divider 210-1 and the fourth synthesis divider 210-4 via the first filter 222.

The second filter 224 includes the first synthesis distributor 210-1 and the fourth synthesis distributor through the second port of the first synthesis distributor 210-1 and the sixth port of the fourth synthesis distributor 210-4. It can be connected to (210-4). Another signal path (a second signal path) may be formed between the first synthesis divider 210-1 and the fourth synthesis divider 210-4 via the second filter 224.

The rear end 280 may include a second synthesis divider 210-2, a third synthesis divider 210-3, a third filter 232, and a fourth filter 234. The second combination distributor 210-2 may be connected to the second system 250 through the 13th port, and the third combination distributor 210-3 may be connected to the third system 260 through the 9th port. .

The third filter 232 is the second synthesis distributor 210-2 and the third synthesis distributor through the 15th port of the second synthesis distributor 210-2 and the 11th port of the third synthesis distributor 210-3. It can be connected to (210-3). Another signal path (a third signal path) may be formed between the second synthesis divider 210-2 and the third synthesis divider 210-3 via the third filter 232.

The fourth filter 234 is a second synthesis divider 210-2 and a third synthesis divider through the 14th port of the second synthesis divider 210-2 and the 10th port of the third synthesis divider 210-3. It can be connected to (210-3). Another signal path (a fourth signal path) may be formed between the second synthesis divider 210-2 and the third synthesis divider 210-3 via the fourth filter 234.

TERM corresponds to a load resistance for improving the isolation of the common device 200, and may be connected to each of the fourth port and the 12th port as shown in FIG. 2.

The first to fourth combination dividers (210-1, 210-2, 210-3, 210-4) synthesize and output two signals input to specific ports, and distribute a single signal input to a specific port. Corresponds to the configuration to be output.

If a single input signal can be distributed and output, or two input signals can be combined and output, the first to fourth combining dividers 210-1, 210-2, 210-3, 210-4 of the present invention It can be implemented with a hybrid coupler, a hybrid ring, a branch line directional coupler, a 3dB directional coupler, and a magic tee.

When the first to fourth synthesizing dividers 210-1, 210-2, 210-3, 210-4 of the present invention are implemented with a hybrid ring, a branch line directional coupler, a 3dB directional coupler, a magic tea, etc., signals One or more phase shifters (phase changers) for generating a phase difference may be further included.

The first and

second filters

222 and 224 are configured to selectively pass a transmission/reception signal of the first system 240, that is, a channel of the first system 240. 2 shows only an embodiment in which the first and

second filters

222 and 224 are implemented as BPFs, but if the channel of the first system 240 can be selectively passed, the first and second filters ( 222, 224) may be implemented with LPF, HPF, or the like.

The third and

fourth filters

232 and 234 are configured to selectively pass a transmission/reception signal of the third system 260, that is, a channel of the third system 260. In FIG. 2, only an embodiment in which the third and

fourth filters

232 and 234 are implemented as BPFs is shown, but if the channels of the third system 260 can be selectively passed, the third and fourth filters ( 232, 234) may be implemented with LPF, HPF, or the like.

Depending on the embodiment, the first to

fourth filters

222, 224, 232, and 234 may be configured as filters having a fixed filtering band or may be configured as a band shift filter capable of varying the filtering band.

When the first to

fourth filters

222, 224, 232, and 234 are configured as band-transition filters, a newly connected system can be utilized with only a simple operation of adjusting the pass band of a conventionally installed filter. Therefore, the commonization apparatus 200 of the present invention can provide an effect of reducing installation time, installation cost, and the like according to system replacement or change.

The first to

fourth filters

222, 224, 232, and 234 may be implemented as any one of a cavity (Cavity) 　 filter, a DR (Dielectric Resonator) 　 filter, and a DR-cavity (DR-Cavity) 　 filter 　. The DR 　 filter 　 or the DR-cavity filter may operate in any one of 　TE　 mode (transverse electric mode), TM mode (transverse magnetic mode), and NRD mode (Non-Radiative Dielectric waveguide).

제1시스템(240)의 송수신 과정Transmission/reception process of the first system 240

In the state configured as described above, the first combination divider 210-1 distributes the signal (transmission signal of the first system) input from the first system 240 through the first port to connect the third port and the second port. Through the first and

second filters

222 and 224, respectively.

Since the first and

second filters

222 and 224 selectively pass the channel of the first system 240, the output transmission signals pass through the first and

second filters

222 and 224 to pass through the seventh and second ports. It is input to the fourth synthesis distributor 210-4 through the 6 port. The transmission signals input to the fourth synthesis divider 210-4 are synthesized by the fourth synthesis divider 210-4, output through the eighth port, and transmitted through the antenna ANT.

The received signal of the first system 240 received through the antenna ANT is input to the fourth combination divider 210-4 through the eighth port. The input received signal is distributed by the fourth combination divider 210-4 and is then output to the first and

second filters

222 and 224 through the seventh and sixth ports.

The output received signals pass through the first and

second filters

222 and 224 and are input to the first synthesis divider 210-1 through the third and second ports, and then the first synthesis divider 210-1. ). The synthesized received signal is output through the first port and received by the first system 240.

제2시스템(250)의 송수신 과정Transmission/reception process of the second system 250

The second combination divider 210-2 distributes the signal (transmission signal of the second system) input from the second system 250 through the 13th port, and controls the distributed signals through the 15th and 14th ports. Output in the direction of the third and

fourth filters

232 and 234.

Since the third and

fourth filters

232 and 234 selectively pass the channel of the third system 260, the output transmission signals are totally reflected by the third and

fourth filters

232 and 234, It is re-inputted to the second synthesis distributor 210-2 through the 14 port.

The re-inputted transmission signals are synthesized in the second synthesis divider 210-2, and input to the fourth synthesis divider 210-4 through the 16th and 5th ports, and then the fourth synthesis divider 210-4. ) Is distributed again.

The distributed transmission signals are output in the direction of the first and

second filters

222 and 224 through the 7th and 6th ports, and are totally reflected again by the first and

second filters

222 and 224, thereby It is re-inputted to the fourth synthesis distributor 210-4 through the 6 port. The re-inputted transmission signals are synthesized into a single signal by the fourth combining divider 210-4 and then transmitted by being output to the antenna ANT direction through the eighth port.

The received signal of the second system 250 received through the antenna ANT is input to the fourth combination divider 210-4 through the eighth port, and is distributed by the fourth combination divider 210-4 to It is output in the direction of the first and

second filters

222 and 224 through each of the 7 and 6 ports.

Since the first and

second filters

222 and 224 selectively pass the channel of the first system 240, the received signals of the second system 250 are totally reflected by the first and

second filters

222 and 224. It is re-inputted to the fourth synthesis distributor 210-4 through each of the seventh and sixth ports.

The received signals re-input are synthesized into a single signal in the fourth combination divider 210-4 and are output through the fifth port, and are input to the second combination divider 210-2 through the 16th port, and then again. Is distributed. The distributed received signals are output to the third and

fourth filters

232 and 234 through the 15th and 14th ports.

Since the third and

fourth filters

232 and 234 selectively pass the channels of the third system 260, the output received signals are totally reflected by the third and

fourth filters

232 and 234, It is input again to the second synthesis distributor 210-2 through the 14 port.

The re-inputted received signals are synthesized into a single signal by the second combination divider 210-2 and are output to the second system 250 through the thirteenth port to be received by the second system 250.

제3시스템(260)의 송수신 과정Transmission/reception process of the third system 260

The transmission signal of the third system 260 is input to the third combination divider 210-3 through the ninth port, and is distributed as two signals by the third combination divider 210-3. The distributed signals are output to the third and

fourth filters

232 and 234 through the 11th and 10th ports.

Since the third and

fourth filters

232 and 234 selectively pass the channel of the third system 260, the output transmission signals pass through the third and

fourth filters

232 and 234, and then the 15th port And input to the second synthesis distributor 210-2 through the 14th port.

The input transmission signals are synthesized in the second synthesis divider 210-2 and input to the fourth synthesis divider 210-4 through the 16th and fifth ports, and then the fourth synthesis divider 210-4. Is redistributed in.

second filters

222 and 224 through the 7th and 6th ports, and are totally reflected by the first and

second filters

222 and 224, thereby It is re-inputted to the fourth synthesis distributor 210-4 through the port. The re-inputted transmission signals are synthesized into a single signal by the fourth combining divider 210-4 and then transmitted by being output to the antenna ANT direction through the eighth port.

The received signal of the third system 260 received through the antenna ANT is input to the fourth combination divider 210-4 through the eighth port, and is distributed by the fourth combination divider 210-4, It is output in the direction of the first and

second filters

222 and 224 through the seventh and sixth ports, respectively.

Since the first and

second filters

222 and 224 selectively pass the channel of the first system 240, the received signals of the third system 260 are totally reflected by the first and

second filters

fourth filters

232 and 234 through the 15th and 14th ports.

Since the third and

fourth filters

232 and 234 selectively pass the channel of the third system 260, the output received signals pass through the third and

fourth filters

232 and 234, and then the 11th port And input to the third synthesis distributor 210-3 through the tenth port.

The input received signals are synthesized into a single signal by the third combination divider 210-3 and are output to the third system 260 through the ninth port to be received by the third system 260.

실시예 1Example 1

3 is a block diagram schematically showing an example of the present invention for realizing common use by applying hybrid couplers 310-1, 310-2, 310-3, and 310-4, and FIG. 4 is a hybrid coupler 310 -1, 310-2, 310-3, 310-4).

Hereinafter, the operation of the hybrid couplers 310-1, 310-2, 310-3, and 310-4 will be first described with reference to FIG. 4, and then the common device 200 of the present invention is The first embodiment implemented based on the couplers 310-1, 310-2, 310-3, and 310-4 will be described in detail.

The hybrid couplers 310-1, 310-2, 310-3, and 310-4 are generally used to extract a part of a specific signal power or to divide a specific signal power into two or more equal signal powers. Among them, the former is to extract (sample extraction) a part of the signal power to grasp the characteristics of a specific signal, so the hybrid coupler 310-1, 310-2, 310-3, 310-4 used in the present invention The function corresponds to the latter.

As shown in Figure 4, the hybrid coupler (310-1, 310-2, 310-3, 310-4) may be composed of a total of four ports (A, B, C, and D). When a signal is input to the A port, the input signal is divided in half by the coupling phenomenon and is output to the B and C ports. The signals output to the B and C ports have a phase difference of 90 degrees from each other. do.

Conversely, when two specific signals are input to each of the B port and C port, the two input signals are combined and output to the A port or D port. The output port (A port or D port) is determined by the phase difference between the two input signals.

For example, if the phase of the signal input to the B port is 90 degrees and the phase of the signal input to the C port is 180 degrees, the two signals are combined and output to the A port. In contrast, when the phase of the signal input to the B port is 180 degrees and the phase of the signal input to the C port is 90 degrees, the two signals are combined and output to the D port.

As shown in FIG. 3, the first to fourth composite distributors 210-1, 210-2, 210-3, and 210-4 of the present invention are hybrid couplers 310-1, 310-2, and 310-3. , 310-4). That is, the first embodiment of the present invention is based on the operating characteristics of the hybrid couplers 310-1, 310-2, 310-3, 310-4 described above, the first to

third systems

240, 250, 260 This corresponds to an embodiment of separating or classifying each of the channels of

First, the transmission signal of the first system 240 is input to the first hybrid coupler 310-1 through the first port. The input transmission signal is distributed by the first hybrid coupler 310-1 to two signals having a phase difference of 90 degrees, and is output through each of the third and second ports, and the first and

second filters

222 , 224, and input to the fourth hybrid coupler 310-4 through the seventh and sixth ports.

The input transmission signal is synthesized into a single signal by the fourth hybrid coupler 310-4, and is output through the eighth port, thereby being transmitted through the antenna ANT.

Next, the received signal of the first system 240 received through the antenna ANT is input to the fourth hybrid coupler 310-4 through the eighth port. The input received signal is distributed to two signals having a phase difference of 90 degrees in the fourth hybrid coupler 310-4, and is output through each of the seventh and sixth ports, and the first and

second filters

222 , 224, and input to the first hybrid coupler 310-1 through the third port and the second port.

The input received signals are synthesized into a single signal by the first hybrid coupler 310-1 and are output through the first port to be received by the first system 240.

First, the transmission signal of the second system 250 is input to the second hybrid coupler 310-2 through the thirteenth port. The input transmission signal is distributed to two signals having a phase difference of 90 degrees in the second hybrid coupler 310-2, and is output through each of the 15th and 14th ports, and the third and fourth filters 232 It is totally reflected at 234 and is re-inputted to the second hybrid coupler 310-2 through the 15th and 14th ports.

The re-inputted transmission signal is synthesized into a single signal by the second hybrid coupler 310-2, is output through the 16th port, and input to the fourth hybrid coupler 310-4 through the fifth port.

The transmission signal input to the fourth hybrid coupler 310-4 is distributed to two signals having a phase difference of 90 degrees in the fourth hybrid coupler 310-4, and is output through each of the 7th and 6th ports. It is totally reflected by the first and

second filters

222 and 224, and is re-inputted to the fourth hybrid coupler 310-4 through each of the seventh and sixth ports.

The re-inputted transmission signal is synthesized into a single signal by the fourth hybrid coupler 310-4 and is transmitted through the antenna ANT by being output through the eighth port.

Next, the received signal of the second system 250 received through the antenna ANT is input to the fourth hybrid coupler 310-4 through the eighth port. The input received signal is distributed to two signals having a phase difference of 90 degrees in the fourth hybrid coupler 310-4, and is output through each of the seventh and sixth ports, and the first and second filters 222 It is totally reflected at 224, and is re-inputted to the fourth hybrid coupler 310-4 through the seventh and sixth ports.

The re-inputted received signals are combined into a single signal by the fourth hybrid coupler 310-4, output through the fifth port, and input to the second hybrid coupler 310-2 through the 16th port.

The received signal input to the second hybrid coupler 310-2 is distributed to two signals having a phase difference of 90 degrees in the second hybrid coupler 310-2, and is output through each of the 15th and 14th ports. It is totally reflected by the third and

fourth filters

232 and 234, and is re-inputted to the second hybrid coupler 310-2 through the 15th and 14th ports.

The re-input received signals are synthesized into a single signal by the second hybrid coupler 310-2, and are output through the thirteenth port to be received by the second system 250.

First, the transmission signal of the third system 260 is input to the third hybrid coupler 310-3 through the ninth port. The input transmission signal is distributed to two signals having a phase difference of 90 degrees by the third hybrid coupler 310-3, and is output through each of the 11th and 10th ports, and the third and fourth filters 232 , 234), and input to the second hybrid coupler 310-2 through the 15th and 14th ports.

The input transmission signal is synthesized into a single signal by the second hybrid coupler 310-2, is output through the 16th port, and input to the fourth hybrid coupler 310-4 through the fifth port.

second filters

The re-inputted transmission signals are synthesized into a single signal by the fourth hybrid coupler 310-4, and are output through the eighth port to be transmitted through the antenna ANT.

Next, the received signal of the third system 260 received through the antenna ANT is input to the fourth hybrid coupler 310-4 through the eighth port. The input received signal is distributed to two signals having a phase difference of 90 degrees in the fourth hybrid coupler 310-4, and is output through each of the seventh and sixth ports, and the first and second filters 222 It is totally reflected at 224, and is re-inputted to the fourth hybrid coupler 310-4 through the seventh and sixth ports.

The received signal input to the second hybrid coupler 310-2 is distributed to two signals having a phase difference of 90 degrees in the second hybrid coupler 310-2, and is output through each of the 15th and 14th ports. Then, it passes through the third and

fourth filters

232 and 234, and is input to the third hybrid coupler 310-3 through the eleventh and tenth ports.

The received signals input to the third hybrid coupler 310-3 are synthesized into a single signal by the third hybrid coupler 310-3, and are output through the ninth port to be received by the third system 260.

As described above, the present invention connects the front end 270 and the rear end 280, which can share 2-channels, to each other, so that a signal totally reflected from the first to

fourth filter units

222, 224, 232, 234 By separating them, it is possible to implement 3-channel commonization.

In addition, when the first to

fourth filter units

222, 224, 232, and 234 are implemented as BPFs that selectively pass only each pass band, the channel of the first system 240 and the second system 250 The width of a guard band formed between the channel and the channels of the third system 260 may be minimized. Accordingly, the present invention can provide an effect of more efficiently utilizing the entire frequency band.

실시예 2Example 2

5 to 7 are block diagrams schematically showing various examples of the present invention for implementing commonization by applying some or all of the magic teas 410-1, 410-2, 410-3, and 410-4. 8 is a diagram for explaining the operation of the magic teas 410-1, 410-2, 410-3, and 410-4.

Hereinafter, the operation of the magic teas 410-1, 410-2, 410-3, and 410-4 will be first described with reference to FIG. 8, and then the first to fourth composite distributors with reference to FIGS. 5 to 7 Embodiments of the present invention in which some or all of (210-1, 210-2, 210-3, 210-4) are composed of magic tea (410-1, 410-2, 410-3, 410-4) Explain about.

As shown in FIG. 8, the magic teas 410-1, 410-2, 410-3, and 410-4 may be composed of a total of four ports (A, B, C, and D). When a signal is input to the A port, the power is divided in half by the coupling phenomenon, and the input signal is output to the B and C ports, and the signals output to the B and C ports have a phase difference of 180 degrees from each other. do.

When a signal is input to the D port, the power is divided in half by the coupling phenomenon and the input signal is output to the B port and C port, but the signals output to the B port and C port have the same phase.

When two specific signals having a phase difference of 180 degrees are input to each of the B port and C port, the two input signals are combined and output to the A port. In contrast, when two specific signals having the same phase are input to each of the B port and C port, the two input signals are combined and output to the D port.

실시예 2-1Example 2-1

As shown in FIG. 5, the front end 270 includes a first magic tea 410-1, a fourth magic tea 410-4, a first filter 222, a second filter 224, and a first It may be configured to include a phase changer 510 and a second phase changer 520. The first magicty 410-1 may be connected to the first system 240 through a first port, and the fourth magicty 410-4 may be connected to the antenna ANT through an eighth port.

The first filter 222 is provided with the first magic tea 410-1 and the fourth magic tea through the third port of the first magic tea 410-1 and the seventh port of the fourth magic tea 410-4. Can be connected to (410-4). The second filter 224 is provided with the first magic tea 410-1 and the fourth magic tea through the second port of the first magic tea 410-1 and the sixth port of the fourth magic tea 410-4. Can be connected to (410-4).

The first phase changer 510 and the second phase changer 520 may be located in a signal path including the first filter 222, that is, a signal path formed between the third port and the seventh port (the first signal path). I can. Depending on the embodiment, the first phase changer 510 and the second phase changer 520 have a signal path including the second filter 224, that is, a signal path formed between the second port and the sixth port (second signal path). It can also be located in Rho).

In addition, when the first phase changer 510 and the second phase changer 520 are located in the first signal path, the two variators 510 and 520 are provided with a first filter 222 and a first magicty 410. One may be located in each of the signal paths formed between -1) and the signal paths formed between the first filter 222 and the fourth magicty 410-4.

In a different embodiment, when the first phase changer 510 and the second phase changer 520 are located in the second signal path, the two variators 510 and 520 are used as the second filter 224 and the first Each of the signal paths formed between the magic teas 410-1 and the signal paths formed between the second filter 224 and the fourth magic tea 410-4 may be positioned one by one.

In relation to the transmission/reception process of the first to

third systems

240, 250, 260, the first magic tea 410-1 and the fourth magic tea 410-4 are located at the front end 270, The transmission/reception process performed at the end 280 is the same as that of the first embodiment, whereas the transmission/reception process performed at the front end 270 corresponds to a difference from the first embodiment.

Therefore, hereinafter, the transmission and reception process performed in the front end 270 will be described.

First, the transmission signal of the first system 240 is input to the first magicty 410-1 through the first port, and distributed in a state with a phase difference of 180 degrees from the first magicty 410-1. Output to each of the third and second ports.

Since the first and

second filters

222 and 224 selectively pass the channel of the first system 240, the distributed and output transmission signal passes through the first filter 222 and the second filter 224, respectively. Thereafter, they are input to each of the seventh and sixth ports of the fourth magicty 410-4.

Here, the transmission signal output from the third port and input to the seventh port is changed in phase in the process of passing through the first phase changer 510 (90 degrees), and then passes through the second phase changer 520 The phase changes again at (90 degrees). As a result, two transmission signals input to each of the seventh and sixth ports have the same phase.

Accordingly, the two transmission signals inputted to the fourth magic 410-4 are synthesized into a single signal, and then output through the eighth port and transmitted through the antenna ANT.

Next, the received signal of the first system 240 received through the antenna (ANT) is input to the fourth magicty 410-4 through the eighth port, and 180 from the fourth magicty 410-4. It is distributed in a state with the phase difference of the diagram and is output to the seventh and sixth ports respectively.

The received signal distributed and output passes through each of the first filter 222 and the second filter 224, and then passes through each of the third and second ports of the first magicty 410-1. It is entered as (410-1). Here, the transmission signal output from the 7th port and input to the third port is changed in phase in the process of passing through the second phase variable 520 (90 degrees), and then passes through the first phase variable 510 The phase changes again at (90 degrees). As a result, two transmission signals input to each of the third and second ports have the same phase.

Accordingly, the received signal input to the first magic 410-1 is synthesized into a single signal and then output through the first port to be received by the first system 240.

First, the transmission signal of the second system 250 output through the 16th port and input through the fifth port is distributed in a state with a phase difference of 180 degrees in the fourth magicty 410-4, Output to each of the sixth ports.

Since the first and

second filters

222 and 224 selectively pass the channel of the first system 240, the two transmission signals are totally reflected by the first and

second filters

222 and 224, It is re-inputted to the fourth magicty 410-1 through each of the six ports.

Here, the transmission signal output from the 7th port and re-inputted to the 7th port is changed in phase by 90 degrees by the second phase changer 520 in the process of going from the 7th port to the first filter 222, In the process of going from the first filter 222 to the seventh port (re-input), the second phase changer 520 changes the phase by 90 degrees again. As a result, the transmission signals re-inputted to each of the seventh and sixth ports have the same phase.

Accordingly, the re-input transmission signals having the same phase are synthesized in the fourth magic 410-4 and output through the eighth port to be transmitted through the antenna ANT.

Next, the received signal of the second system 250 received through the antenna ANT is input to the fourth magicty 410-4 through the eighth port, and distributed to two signals having a phase difference of 180 degrees. And output through the 7th and 6th ports.

The output two received signals are totally reflected by the first and

second filters

222 and 224 and re-input to the fourth magicty 410-4 through the 7th and 6th ports, and are output through the 7th port. As a result, the phase of the received signal re-inputted through the seventh port is changed by 180 degrees by the second phase changer 520. As a result, two received signals re-input to the 7th and 6th ports have the same phase.

Therefore, received signals having the same phase are synthesized in the fourth magic 410-4 and output through the fifth port, and input to the rear end 280 through the sixteenth port, as described in the first embodiment. It is received by the second system 250 through the processes.

First, the transmission signal of the third system 260 output through the 16th port and input through the 5th port is distributed in a state with a phase difference of 180 degrees in the fourth magicty 410-4, Output to each of the sixth ports.

The two transmission signals are totally reflected by the first and

second filters

222 and 224 and are again input to the fourth magicty 410-1 through the seventh and sixth ports, respectively. Here, the transmission signal output from the 7th port and re-inputted to the 7th port is changed in phase by 90 degrees by the second phase changer 520 in the process of going from the 7th port to the first filter 222, In the process of going from the first filter 222 to the seventh port (re-input), the second phase changer 520 changes the phase by 90 degrees again. As a result, the transmission signals re-inputted to each of the seventh and sixth ports have the same phase.

Next, the received signal of the third system 260 received through the antenna (ANT) is input to the fourth magicty (410-4) through the eighth port, and is distributed to two signals having a phase difference of 180 degrees. And output through the 7th and 6th ports.

The output two received signals are totally reflected by the first and

second filters

Therefore, received signals having the same phase are synthesized in the fourth magic 410-4 and output through the fifth port, and input to the rear end 280 through the sixteenth port, as described in the first embodiment. It is received by the third system 260 through processes.

실시예 2-2Example 2-2

As shown in FIG. 6, the rear end portion 280 includes a second magic tea 410-2, a third magic tea 410-3, a third filter 232, a fourth filter 234, and a third It may be configured to include a phase changer 630 and a fourth phase changer 640. The second magicty 410-2 may be connected to the second system 250 through a thirteenth port, and the third magicty 410-3 may be connected to the third system 260 through a ninth port. .

The third filter 232 is a third and second magicty 410-3 through the 11th port of the third magicty 410-3 and the 15th port of the second magicty 410-2. It can be connected to (410-2). The fourth filter 234 is configured to provide the third magic tea 410-3 and the second magic tea through the tenth port of the third magic tea 410-3 and the 14th port of the second magic tea 410-2. It can be connected to (410-2).

The third phase changer 630 and the fourth phase changer 640 are in the signal path including the third filter 232, that is, the signal path formed between the 11th and 15th ports (the third signal path). Can be located. Depending on the embodiment, the third phase changer 630 and the fourth phase changer 640 are signal paths including the fourth filter 234, that is, a signal path formed between the 10th and 14th ports (the first 4 signal path).

In addition, when the third phase changer 630 and the fourth phase changer 640 are located in the third signal path, the two variators 630 and 640 are used for the third filter 232 and the second magicty. One may be positioned in each of the signal paths formed between the 410-2 and the signal paths formed between the third filter 232 and the third magic 410-3.

In a different embodiment, when the third phase changer 630 and the fourth phase changer 640 are located in the fourth signal path, these two

variators

630 and 640 are the fourth filter 234 and One may be positioned in each of the signal paths formed between the second magicty 410-2 and the signal paths formed between the fourth filter 234 and the third magicty 410-3.

In relation to the transmission/reception process of the first to

third systems

240, 250, 260, the second magic 410-2 and the third magic 410-3 are located at the rear end 280, The transmission/reception process performed by the unit 270 is the same as that of the first embodiment, whereas the transmission/reception process performed by the rear end 280 corresponds to a difference from the first embodiment.

Therefore, in the following, the transmission/reception process performed at the rear end 280 will be described.

First, since the transmission/reception process of the first system 240 is performed only at the front end 270, the transmission signal of the first system 240 is transmitted through the antenna ANT through the same process as described in the first embodiment. Then, the received signal from the first system 240 is received by the first system 240 through the same process as described in the first embodiment.

The transmission signal of the second system 250 is input to the second magic 410-2 through the thirteenth port, is distributed in a state with a phase difference of 180 degrees, and is output through each of the 15th and 14th ports. .

The output two transmission signals are totally reflected by the third and

fourth filters

232 and 234 and are re-inputted to the second magic 410-2 through the 15th and 14th ports respectively. Here, the transmission signal output through the 15th port and re-inputted through the 15th port is changed in phase by 180 degrees in the process of passing through the fourth phase changer 640 twice. As a result, the two transmission signals re-input to the 15th and 14th ports have the same phase.

Accordingly, the two transmission signals are synthesized in the second magic 410-2 and output through the 16th port, thereby being input to the front end 270, and through the antenna ANT through the processes described in the first embodiment. Will be transmitted.

Next, the received signal of the second system 250 output through the fifth port and input through the sixteenth port is distributed in a state with a phase difference of 180 degrees in the second magic 410-2, and And output through each of the 14th ports.

The output two received signals are totally reflected by the third and

fourth filters

232 and 234 and re-inputted to the second magic 410-2 through each of the 15th and 14th ports. The two received signals are It has the same phase by the fourth phase changer 640.

Accordingly, the two received signals are synthesized in the second magic 410-2 and output through the thirteenth port to be received by the second system 250.

The transmission signal of the third system 260 is input to the third magic 410-3 through the 9th port, is distributed with a phase difference of 180 degrees, and is output through the 11th and 10th ports, respectively. . The two output transmission signals pass through the third and

fourth filters

232 and 234 and are input to the second magic 410-2 through the 15th and 14th ports, respectively.

Here, since the phase of the transmission signal output through the 11th port and input through the 15th port is changed by 180 degrees in the process of passing through the third phase changer 630 and the fourth phase changer 640, the 15th Two transmission signals input to the port and the 14th port have the same phase.

Next, the received signal of the third system 260 output through the 5th port and input through the 16th port is distributed in a state with a phase difference of 180 degrees in the second magicty 410-2, and the 15th port And output through each of the 14th ports.

The output two received signals pass through the third and

fourth filters

232 and 234 and are input to the third magic 410-3 through the 11th and 10th ports, respectively, and the two received signals are the third. The phase changer 630 and the fourth phase changer 640 have the same phase.

Accordingly, the two received signals are synthesized by the third magic 410-3 and output through the ninth port to be received by the third system 260.

실시예 2-3Example 2-3

As shown in FIG. 7, Example 2-3 corresponds to an example in which the front end 270 of Example 2-1 and the rear end 280 of Example 2-2 are combined. Accordingly, the connection or coupling relationship between the lower components constituting the front end 270 may be the same as described in Example 2-1, and the connection or coupling relationship between the lower components constituting the rear end 280 is It may be the same as described in Example 2-2.

Regarding the transmission/reception process of each of the

systems

240, 250, 260, the transmission signals of the second system 250 and the third system 260 are the processes described in the rear end 280 of the second embodiment. And through the processes described in the front end portion 270 of the second embodiment 2-1 is transmitted through the antenna (ANT).

The received signals of the second system 250 and the third system 260 include the processes described in the front end 270 of the embodiment 2-1 and the processes described in the rear end 280 of the second embodiment. And received by the corresponding system.

The transmission signal of the first system 240 is transmitted through the antenna ANT through the processes described in the front end 270 of the second embodiment, and the received signal of the first system 240 is the second embodiment. It is received by the first system 240 through the processes described in the front end 270 of 1.

실시예 3Example 3

9 is a block diagram schematically showing another example of a common apparatus 200 according to the present invention. Hereinafter, a description will be given of Embodiment 3 of the present invention, in which the first and

second filters

222 and 224 are configured to selectively block the channel of the first system 240 with reference to FIG. 9.

In the third embodiment, the first and

second filters

222 and 224 are configured to selectively block a channel of the first system 240, and an antenna (ANT) is connected to the fourth port of the first synthesis divider 210-1. ) Is connected. This point corresponds to the difference between the third embodiment and the above-described embodiments.

First, the first combination divider 210-1 distributes the transmission signal of the first system 240 input through the first port, and the first and second filters 222, through the third port and the second port, 224) output each.

Since the first and

second filters

222 and 224 selectively block the channels of the first system 240, the output transmission signals are totally reflected from the first and

second filters

222 and 224, It is re-inputted to the first synthesis divider 210-1 through the 2 port, is synthesized into a single signal in the first synthesis divider 210-1, and is then output through the fourth port to transmit through the antenna (ANT). do.

Next, the received signal of the first system 240 received through the antenna (ANT) is input to the first synthesis divider 210-1 through the fourth port, and is distributed by the first synthesis divider 210-1. After that, it is output in the direction of the first and

second filters

222 and 224 through the third and second ports.

The output received signals are totally reflected by the first and

second filters

222 and 224 and re-inputted to the first synthesis divider 210-1 through the third and second ports, and then the first synthesis divider 210- It is synthesized in 1). The synthesized received signal is output through the first port and received by the first system 240.

First, the second combination divider 210-2 distributes the transmission signal of the second system 250 input through the 13th port, and distributes the distributed transmission signals through the 15th and 14th ports. Output to the filter (232, 234) direction.

Since the third and

fourth filters

second filters

222 and 224 through the 7th and 6th ports, and after passing through the first and

second filters

222 and 224, the third and It is input to the first synthesis distributor 210-1 through the second port. The input transmission signals are transmitted by being output in the direction of the antenna ANT through the fourth port.

Next, the received signal of the second system 250 received through the antenna ANT is input to the first synthesis divider 210-1 through the fourth port, and is distributed by the first synthesis divider 210-1. After that, it is output in the direction of the first and

second filters

222 and 224 through the third port and the second port, respectively.

Since the first and

second filters

222 and 224 selectively block the channels of the first system 240, the received signals of the second system 250 pass through the first and

second filters

222 and 224. After that, it is input to the fourth composite distributor 210-4 through the seventh and sixth ports.

The input received signals are synthesized into a single signal in the fourth combination divider 210-4 and are output through the fifth port, input to the second combination divider 210-2 through the 16th port, and then distributed again. do. The distributed received signals are output to the third and

fourth filters

232 and 234 through the 15th and 14th ports.

Since the third and

fourth filters

232 and 234, It is re-inputted to the second synthesis divider 210-2 again through the 14 port, is synthesized into a single signal in the second synthesis divider 210-2, and then is directed toward the second system 250 through the 13th port. By being output, it is received by the second system 250.

First, the third combination divider 210-3 distributes the transmission signal of the third system 260 input through the ninth port, and distributes the distributed signals through the 11th and 10th ports. Outputs in the (232, 234) direction.

After passing through the third and

fourth filters

232 and 234, the output transmission signals are input to the second synthesis divider 210-2 through the 15th and 14th ports, and the second synthesis divider 210- It is synthesized in 2), is input to the fourth synthesis distributor 210-4 through the 16th port and the fifth port, and then distributed again in the fourth synthesis distributor 210-4.

second filters

222 and 224, the third and It is input to the first synthesis distributor 210-1 through the second port. The input transmission signals are synthesized into a single signal by the first synthesis divider 210-1, and are then transmitted by being output to the antenna ANT direction through the fourth port.

Next, the received signal of the third system 260 received through the antenna (ANT) is input to the first synthesis divider 210-1 through the fourth port, and is distributed by the first synthesis divider 210-1. After that, it is output in the direction of the first and

second filters

222 and 224 through the third port and the second port, respectively.

Thereafter, the received signals of the third system 260 pass through the first and

second filters

222 and 224 and are input to the fourth synthesis divider 210-4 through the seventh and sixth ports, respectively, The fourth synthesis divider 210-4 synthesizes a single signal and outputs through the fifth port, and is then input to the second synthesis divider 210-2 through the 16th port.

The received signals input to the second combination divider 210-2 are distributed by the second combination divider 210-2, and the direction of the third and

fourth filters

232 and 234 through the 15th and 14th ports, respectively. Is outputted, passes through the third and

fourth filters

232 and 234, and is then input to the third synthesis distributor 210-3 through the 11th and 10th ports.

10 is a block diagram illustrating an embodiment in which the first to fourth composite distributors 210-1, 210-2, 210-3, and 210-4 of the present invention are configured as a hybrid coupler.

In this embodiment, transmission and reception of each channel of the first to

third systems

240, 250, and 260 are implemented in the same manner as in the embodiment described with reference to FIG. 3, but the first and second filters 222 and 224 ) Is configured to selectively block the channel of the first system 240 and that the antenna ANT is connected to the fourth port of the first hybrid coupler 310-1.

Therefore, the transmission signal of the first system 240 is distributed in the first hybrid coupler 310-1, total reflection in the first and

second filters

222 and 224, and in the first hybrid coupler 310-1. It is transmitted through the synthesis and output in the direction of the antenna (ANT).

Correspondingly, the received signal of the first system 240 is received through the antenna ANT, distributed by the first hybrid coupler 310-1, and total reflection in the first and

second filters

222 and 224 , Is received through synthesis in the first hybrid coupler 310-1 and output to the first system 240.

The transmission signal of the second system 250 is distributed in the second hybrid coupler 310-2, total reflection in the third and

fourth filters

232 and 234, and synthesized in the second hybrid coupler 310-2 , Distribution in the fourth hybrid coupler 310-4, passing through the first and

second filters

222 and 224, synthesis in the first hybrid coupler 310-1 and output in the direction of the antenna (ANT), etc. Is sent through.

Correspondingly, the received signal of the second system 250 is distributed by the first hybrid coupler 310-1, passed through the first and

second filters

222 and 224, and passed through the fourth hybrid coupler 310-4. Synthesis, distribution in the second hybrid coupler 310-2, total reflection in the third and

fourth filters

232 and 234, synthesis in the second hybrid coupler 310-2 and the second system 250 It is received through output to, etc.

The transmission signal of the third system 260 is distributed by the third hybrid coupler 310-3, passed through the third and

fourth filters

232 and 234, synthesized by the second hybrid coupler 310-2, and 4 Transmitted through distribution at the hybrid coupler 310-4, passing through the first and

second filters

222 and 224, synthesis at the first hybrid coupler 310-1, and output to the antenna (ANT) direction, etc. do.

Correspondingly, the received signal of the third system 260 is distributed by the first hybrid coupler 310-1, passed through the first and

second filters

222 and 224, and the fourth hybrid coupler 310-4 Synthesis in, distribution in the second hybrid coupler 310-2, passing through the third and

fourth filters

232, 234, synthesis in the third hybrid coupler 310-3, and into the third system 260 It is received through the output of etc.

Depending on the embodiment, all or part of the first to fourth composite distributors 210-1, 210-2, 210-3, and 210-4 of the third embodiment may be formed of magic tea. Various examples of this are shown in FIGS. 11 to 13.

In the embodiment shown in FIG. 11, the first and

second filters

222 and 224 are configured to selectively block the channel of the first system 240 and the antenna ANT is the first magicty 410-1. ) Differs from Example 2-1 in that it is connected to the fourth port. However, as in Example 2-1, each of the first and fourth synthesis distributors 210-1 and 210-4 is composed of a first magic tea 410-1 and a fourth magic tea 410-4. , The connection relationship between the lower components constituting the front end portion 270 is also the same as in Example 2-1.

First, the transmission signal of the first system 240 is distributed in the first magicty 410-1, total reflection in the first and

second filters

222 and 224, and in the first magicty 410-1 It is transmitted through the synthesis and output in the direction of the antenna (ANT). Here, the two transmission signals distributed from the first magicty 410-1 have a phase difference of 180 degrees, but are changed to the same phase by the first phase changer 510 to the first magicty 410-1. It is re-entered.

Correspondingly, the received signal of the first system 240 is received through the antenna ANT, distributed in the first magic 410-1, and total reflection in the first and

second filters

222 and 224 , Received through synthesis in the first magic 410-1 and output to the first system 240, and the like.

Here, the two received signals distributed from the first magicty 410-1 have a phase difference of 180 degrees, but are changed to the same phase by the first phase changer 510 to the first magicty 410-1. It is re-entered.

Next, the transmission signal of the second system 250 is distributed in the second hybrid coupler 310-2, total reflection in the third and

fourth filters

232 and 234, and the second hybrid coupler 310-2 Synthesis in, distribution in the fourth magicty 410-4, passing through the first and

second filters

222 and 224, synthesis in the first magicty 410-1, and in the direction of the antenna (ANT) It is transmitted through output, etc.

Here, the two transmission signals distributed in the fourth magicty 410-4 have a phase difference of 180 degrees, but are changed to the same phase by the second and

first phase changers

520 and 510, and the first magicty ( 410-1).

Correspondingly, the received signal of the second system 250 is distributed in the first magicty 410-1, passed through the first and

second filters

222 and 224, and in the fourth magicty 410-4. Synthesis, distribution in the second hybrid coupler 310-2, total reflection in the third and

fourth filters

Here, the two received signals distributed by the first magic 410-1 have a phase difference of 180 degrees, but are changed to the same phase by the first and

second phase modifiers

510 and 520 so that the fourth magic 410-4).

Next, the transmission signal of the third system 260 is distributed by the third hybrid coupler 310-3, passed through the third and

fourth filters

232 and 234, and is transmitted by the second hybrid coupler 310-2. Synthesis, distribution in the fourth magicty 410-4, passing through the first and

second filters

222 and 224, synthesis in the first magicty 410-1, and output in the direction of the antenna (ANT), etc. Is transmitted via

first phase changers

520 and 510, and the first magicty ( 410-1).

Correspondingly, the received signal of the third system 260 is distributed in the first magic 410-1, passed through the first and

second filters

222 and 224, and the fourth magic 410-4 Synthesis in, distribution in the second hybrid coupler 310-2, passing through the third and

fourth filters

second phase modifiers

510 and 520 so that the fourth magic 410-4).

According to the embodiment, the second and third synthetic distributors 210-2 and 210-3 of the first to fourth synthetic distributors 210-1, 210-2, 210-3, 210-4 of Example 3 Only can be composed of magic tea. An embodiment of this is shown in FIG. 12.

In the embodiment illustrated in FIG. 12, the first and

second filters

222 and 224 are configured to selectively block a channel of the first system 240, and the antenna ANT is a first hybrid coupler 310-1. It is different from Example 2-2 in that it is connected to the fourth port of ). However, as in Example 2-2, each of the second and third synthesis distributors 210-2 and 210-3 is composed of a second magic tea 410-2 and a third magic tea 410-3. , The connection relationship between the lower components constituting the front end 270 is also the same as in the second embodiment.

First, the transmission signal of the first system 240 is distributed in the first hybrid coupler 310-1, total reflection in the first and

second filters

Next, the transmission signal of the second system 250 is distributed in the second magic 410-2, total reflection in the third and

fourth filters

232 and 234, and the second magic 410-2 Synthesis in, distribution in the fourth hybrid coupler 310-4, passing through the first and

second filters

222 and 224, synthesis in the first hybrid coupler 310-1, and in the direction of the antenna (ANT) It is transmitted through output, etc.

Here, the two transmission signals distributed from the second magicty 410-2 have a phase difference of 180 degrees, but are changed to the same phase by the fourth phase changer 640 to the second magicty 410-2. It is re-entered.

second filters

222 and 224, and passed through the fourth hybrid coupler 310-4. Synthesis, distribution in the second magicty 410-2, total reflection in the third and

fourth filters

232 and 234, synthesis in the second magicty 410-2, and the second system 250 It is received through output to, etc.

Here, the two received signals distributed from the second magicty 410-2 have a phase difference of 180 degrees, but are changed to the same phase by the fourth phase changer 640 and converted to the second magicty 410-2. It is re-entered.

Next, the transmission signal of the third system 260 is distributed in the third magicty 410-3, passed through the third and

fourth filters

232 and 234, and is transmitted in the second magicty 410-2. Synthesis, distribution in the fourth hybrid coupler 310-4, passing through the first and

second filters

222 and 224, synthesis in the first hybrid coupler 310-1, and output in the direction of the antenna (ANT), etc. Is transmitted via

Here, the two transmission signals distributed by the third magic 410-3 have a phase difference of 180 degrees, but are changed to the same phase by the third and

fourth phase modifiers

630 and 640, 410-2).

second filters

222 and 224, and the fourth hybrid coupler 310-4 Synthesis in, distribution in the second magicty 410-2, passing through the third and

fourth filters

232 and 234, synthesis in the third magicty 410-3, and into the third system 260 It is received through the output of etc.

Here, the two received signals distributed from the second magic 410-2 have a phase difference of 180 degrees, but are changed to the same phase by the fourth and

third phase modifiers

640 and 630, 410-3).

According to an embodiment, as shown in FIG. 13, all of the first to fourth composite distributors 210-1, 210-2, 210-3, and 210-4 may be configured as magic teas. This embodiment corresponds to an embodiment in which the front end 270 of FIG. 11 and the rear end 280 of FIG. 12 are combined. Accordingly, the connection or coupling relationship between the lower components constituting the front end 270 may be the same as described in FIG. 11, and the connection or coupling relationship between the lower components constituting the rear end 280 is shown in FIG. It may be the same as described.

Regarding the transmission/reception process of each of the

systems

240, 250, 260, the transmission signals of the second system 250 and the third system 260 are subjected to the same processes as described in the rear end 280 of FIG. It is input to the unit 270 and transmitted through the antenna ANT through the same processes as described in the front end 270 of FIG. 11.

The received signals of the second system 250 and the third system 260 are input to the rear end 280 through the same processes as described in the front end 270 of FIG. 11, and the rear end 280 of FIG. It is received through the same processes as described.

The transmission/reception signals of the first system 240 are transmitted/received through the same processes as described with reference to FIG. 11.

In the above description, the ports of the first to fourth composite distributors 210-1, 210-2, 210-3, and 210-4 are referred to by arbitrary numbers for convenience of description. Accordingly, ports of each of the synthesis distributors 210-1, 210-2, 210-3, and 210-4 may be referred to by using numbers other than those referred to herein.

In FIGS. 11 and 12, an example in which some of the composite dividers 210-1, 210-2, 210-3, and 210-4 are implemented as a hybrid coupler is shown, but this is for convenience of explanation and understanding. It's just that. Accordingly, the composite dividers 210-1, 210-2, 210-3, and 210-4 expressed as hybrid couplers may be implemented as hybrid rings, branch line directional couplers, 3dB directional couplers, and the like.

The above description is merely illustrative of the technical idea of the present embodiment, and those of ordinary skill in the technical field to which the present embodiment belongs will be able to make various modifications and variations without departing from the essential characteristics of the present embodiment. Accordingly, the present exemplary embodiments are not intended to limit the technical idea of the present exemplary embodiment, but are illustrative, and the scope of the technical idea of the present exemplary embodiment is not limited by these exemplary embodiments. The scope of protection of this embodiment should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present embodiment.

CROSS-REFERENCE TO RELATED APPLICATIONCROSS-REFERENCE TO RELATED APPLICATION

This patent application is filed in Korea on March 14, 2019, and Patent Application No. 10-2019-0029434, filed in Korea on April 4, 2019, which is incorporated herein by reference in its entirety. It claims priority to Patent Application No. 10-2019-0039795.

Claims

As an apparatus for allowing first to third systems using signals of different frequency bands to share a single base station,

First and second combination dividers connected to the first system, fourth combination dividers connected to the antenna, and first and second combination dividers connected between the first and fourth combination dividers to selectively pass the transmission/reception signals of the first system. A front end including a filter; And

A third synthesis divider connected to the third system, a second synthesis divider connected to the second system and the fourth synthesis divider, and a transmission/reception signal of the third system are connected between the third and second synthesis dividers. Including a rear end including third and fourth filters selectively passing,

The first synthesizing divider distributes the signal input from the first system and outputs it to the first and second filters, synthesizes the signal input from the first and second filters, and outputs it to the first system. ,

The fourth synthesis divider divides a signal input from the antenna or the second synthesis divider and outputs the distributed signal to the first and second filters, and synthesizes the signals input from the first and second filters to the antenna or Output to the second synthesis distributor,

The second combination divider distributes the signal input from the second system or the fourth combination divider and outputs the distributed signal to the third and fourth filters, and synthesizes the signals input from the third and fourth filters, Output to the second system or the fourth synthesis distributor,

The third synthesizing divider divides the signal input from the third system and outputs it to the third and fourth filters, and synthesizes the signal input from the third and fourth filters and outputs the synthesized signal to the third system. A base station sharing apparatus, characterized in that.
The method of claim 1,

The first to fourth synthetic distributors,

An apparatus for common use of a base station, characterized in that it is a hybrid coupler.
The method of claim 1,

The first and fourth synthetic distributors,

It’s a magic tee,

The front end,

A first and a first located on one of a signal path including the first filter and a signal path including the second filter, and are distributed to the left and right sides of the first filter or the second filter, respectively An apparatus for common use of a base station, further comprising a second phase variable.
The method according to any one of claims 1 or 3,

The second and third synthetic distributors,

It is magic tea,

The rear end,

A third and a third positioned in any one of the signal path including the third filter and the signal path including the fourth filter, and are distributed to the left and right sides of the third filter or the fourth filter, respectively A base station sharing apparatus further comprising a fourth phase variable.
The method of claim 1,

The first to fourth filters,

A base station sharing apparatus comprising a band pass filter.
The method of claim 1,

The first to fourth filters,

A base station sharing apparatus comprising a frequency band variable filter.
As an apparatus for allowing first to third systems using signals of different frequency bands to share a single base station,

First and second filters connected between the first system and the antenna connected to the first synthesis divider, the fourth synthesis divider, and the first and fourth synthesis dividers to selectively block the transmission/reception signals of the first system A front end including a; And

A third synthesis divider connected to the third system, a second synthesis divider connected to the second system and the fourth synthesis divider, and a transmission/reception signal of the third system are connected between the third and second synthesis dividers. Including a rear end including third and fourth filters selectively passing,

The first synthesizing divider distributes the signal input from the first system or the antenna and outputs it to the first and second filters, and synthesizes the signals input from the first and second filters, and the first system Or output to the antenna,

The fourth synthesis divider distributes the signal input from the second synthesis divider and outputs the signal to the first and second filters, and synthesizes the signal input through the first and second filters to the second synthesis divider. Output,

The second synthesis divider distributes the signal input from the fourth synthesis divider or the second system and outputs the distributed signal to the third and fourth filters, and distributes the signals input from the third and fourth filters, Output to the fourth synthesis distributor or the second system,

The third synthesizing divider divides the signal input from the third system and outputs it to the third and fourth filters, and synthesizes the signal input from the third and fourth filters and outputs the synthesized signal to the third system. A base station sharing apparatus, characterized in that.
The method of claim 7,

The first to fourth synthetic distributors,

An apparatus for common use of a base station, characterized in that it is a hybrid coupler.
The method of claim 7,

The first and fourth synthetic distributors,

It’s a magic tee,

The front end,

A first and a first located on one of a signal path including the first filter and a signal path including the second filter, and are distributed to the left and right sides of the first filter or the second filter, respectively An apparatus for common use of a base station, further comprising a second phase variable.
The method according to any one of claims 7 or 9,

The second and third synthetic distributors,

It is magic tea,

The rear end,

A third and a third positioned in any one of the signal path including the third filter and the signal path including the fourth filter, and are distributed to the left and right sides of the third filter or the fourth filter, respectively A base station sharing apparatus further comprising a fourth phase variable.
The method of claim 7,

The first to fourth filters,

A base station sharing apparatus comprising a band pass filter.
The method of claim 7,

The first to fourth filters,

A base station sharing apparatus comprising a frequency band variable filter.