KR100903392B1 - Optical Fiber Sharing Apparatus - Google Patents

Abstract

Disclosed is a light beam sharing apparatus for transmitting and receiving optical signals having different wavelength bands through a single light beam installed between a base station and a repeater. The disclosed optical fiber sharing apparatus is provided on the base station and the repeater side, respectively, for transmitting and receiving a code division multiple access (CDMA) signal and a wideband code division multiple access (WCDMA) signal together through a single optical fiber that connects the base station and the repeater together. In the furnace sharing apparatus, a CDMA signal transceiver for transmitting and receiving the CDMA signal, a WCDMA signal transceiver for transmitting and receiving the WCDMA signal, and a WiBro signal transceiver for transmitting and receiving WiBro (wireless broadband internet) signals are respectively connected to the base station. A first optical fiber sharing module; And a first optical path provided at the base station and connected to a CDMA signal transceiver for transmitting and receiving the CDMA signal, a WCDMA signal transceiver for transmitting and receiving the WCDMA signal, and a WiBro signal transceiver for transmitting and receiving a WiBro (wireless broadband internet) signal, respectively. It provides an optical fiber sharing device comprising a; sharing module.

Optical communications, optical fiber sharing, WiBro, next generation service

Description

Optical Fiber Sharing Apparatus}

1 is a block diagram showing an optical path sharing apparatus according to a first embodiment of the present invention;

FIG. 2 is a block diagram showing a base station side optical fiber sharing module shown in FIG. 1;

3 is a block diagram showing an optical path sharing apparatus according to a second embodiment of the present invention;

4 is a block diagram showing a base station side optical fiber sharing module shown in FIG.

* Description of Signs for Main Parts in Drawings *

110,110a: first optical path sharing module 210,210a: second optical path sharing module

111: first optical insert extractor 115: second optical insert extractor

118: fifth optical insertion extractor 140,240: WiBro signal transceiver

150,250: Transmit signal transceiver

The present invention relates to a fiber optic sharing apparatus, and more particularly, to a fiber optic sharing apparatus capable of transmitting and receiving signals for different services over a single optical fiber.

In general, an optical path sharing device installed to correspond to a base station and a repeater is a device that enables transmission and reception of optical signals for different services through a single optical path.

Such a conventional optical fiber sharing device is provided between a base station and a repeater through a CDMA signal transceiver for a code division multiple access (CDMA) service connected to each optical fiber sharing device and a WCDMA signal transceiver for a wideband code division multiple access (WCDMA) service. CDMA signals and WCDMA signals are transmitted and received.

On the other hand, the wireless broadband Internet (WiBro) service, which is now referred to as the 4th generation communication service, is attracting attention. By the way, since the conventional structure for transmitting and receiving the WiBro signal through the optical fiber sharing device, it is necessary to configure a separate device for transmitting and receiving the WiBro signal, as well as connecting between the base station and the repeater installed such a separate device There was a problem in that a separate optical line was to be invested at a huge cost.

In order to solve the above problems, an object of the present invention is to provide an optical fiber sharing apparatus capable of transmitting and receiving a WiBro signal for WiBro service at the same time as the existing CDAM and WCDMA signals.

Another object of the present invention is to provide an optical fiber sharing apparatus capable of transmitting and receiving a signal for a next service after the WiBro service using a single optical fiber together with a signal for an existing service including a WiBro signal.

In order to achieve the above object, the present invention is installed at the base station and the repeater side, respectively, transmits and receives a code division multiple access (CDMA) signal and a wideband code division multiple access (WCDMA) signal together through a single optical fiber that connects the base station and the repeater together. In the optical fiber sharing apparatus, a CDMA signal transceiver for transmitting and receiving the CDMA signal, a WCDMA signal transceiver for transmitting and receiving the WCDMA signal, and a WiBro signal transceiver for transmitting and receiving WiBro (wireless broadband internet) signal A first optical fiber sharing module connected to each other; And a first optical path provided at the base station and connected to a CDMA signal transceiver for transmitting and receiving the CDMA signal, a WCDMA signal transceiver for transmitting and receiving the WCDMA signal, and a WiBro signal transceiver for transmitting and receiving a WiBro (wireless broadband internet) signal, respectively. It provides an optical fiber sharing device comprising a; sharing module.

In this case, the present invention may further include a transmission signal transceiver respectively connected to the first and second optical fiber sharing modules for the next generation transmission service.

Hereinafter, the configuration of the optical path sharing apparatus according to the first embodiment of the present invention with reference to the accompanying drawings in detail as follows.

1 is a block diagram illustrating an optical fiber sharing apparatus according to a first embodiment of the present invention, and FIG. 2 is a block diagram illustrating the optical fiber sharing module shown in FIG.

Referring to FIG. 1, the base station 100 and the repeater 200 may each transmit and receive different optical signals for various services by a single optical beam 300 to share the optical path sharing module of the base station 100 (hereinafter, The first optical path sharing module 110 and the repeater 200 side optical path sharing module (hereinafter, referred to as a second optical path sharing module) are respectively installed.

The first and second optical fiber sharing modules 110 and 210 may be a second generation service (CDMA service) and a third generation service (WCDMA service) as well as a wireless broadband Internet (WiBro). For the service, CDMA signal transceivers 120 and 220, CDMA signal transceivers 130 and 230 and WiBro signal transceivers 140 and 240 are connected, respectively.

The first and second optical path sharing modules 110 and 210 have the same configuration, except that laser diodes are installed in the transceivers 120, 220, 130, 230, 140, and 240 according to their installation positions, that is, whether they are installed in the base station or the repeater. The difference is that the number of diodes (hereinafter referred to as 'LD') and the photodiode (hereinafter referred to as 'PD') are set to correspond to each other. That is, the WiBro signal transceiver 140 connected to the first optical path sharing module 110 of the base station 100 has one LD (147a, see FIG. 2) and two PDs (147b, 147c). The WiBro signal transceiver 240 connected to the second optical path sharing module 210 of the repeater 200 has one PD and two LDs.

Therefore, hereinafter, the description of the second optical path sharing module 210 will be omitted, and only the first optical path sharing module 110 will be described. For reference, 'SP' shown in FIG. 2 represents a fusion splicing point (Splicing point) for connecting optical paths to each other. In this case, an optical connector and an optical adapter are used between the first optical fiber sharing module 110 and each of the transceivers 120, 130, and 140. It is preferred to be interconnected.

Referring to FIG. 2, the first optical path sharing module 110 is connected to a CDMA signal transceiver 120, a WCDMA signal transceiver 130, and a WiBro signal transceiver 140 using optical signals having different wavelength bands, respectively. In addition, the first light insertion extractor 111 and the second light insertion extractor 115 are included.

The first optical insertion extractor 111 is a 3-2 port optical insertion extractor having three optical paths 114a, 114b and 114c on one side and two optical paths 114d and 114e on the other side. 114a is connected to the single light beam 300 (refer to FIG. 1), the second light beam 114b is connected to the sixth light beam 117a of the second light insertion extractor 115, and the third light path 114c is connected to the fifth optical path 114e provided on the other side of the first optical insert extractor 111, and the fourth optical path 114d is connected to the CDMA signal transceiver 120.

The first light insertion extractor 111 includes first to third filters 113a, 113b, and 113c sequentially disposed at predetermined intervals. The first and third filters 113a and 113c have characteristics of reflecting optical signals in the 1290 nm-1350 nm wavelength band and transmitting optical signals in the 1420 nm-1630 nm wavelength band, and the second filter 113b includes 1420 nm-1538 nm and It reflects optical signals in the 1562nm-1620nm wavelength band and transmits the optical signals in the 1542nm-1558nm wavelength band. Accordingly, the CDMA signal transceiver 120 transmits the optical signal of 1550 nm wavelength band transmitted from the CDMA signal transceiver 120 to the sharing device 210 as the second light beam through the first optical insert extractor, and shares it with the second light beam. It receives the optical signals in the 1310nm and 1330nm wavelength band transmitted from the device 210.

The second optical insertion extractor 115 is a 2-1 port optical insertion extractor having sixth and seventh optical paths 117a and 117b on one side and an eighth optical path 117c on the other side. In this case, the sixth optical path 117a is connected to the second optical path 114b, the seventh optical path 117b is connected to the WiBro signal transceiver 140, and the eighth optical path 117c is the WCDMA signal transceiver 130 is connected.

The second optical insert extractor 115 has a fourth filter 116 disposed therein. In this case, the fourth filter 116 transmits an optical signal having a wavelength band of 1502.5 nm to 1577.5 nm, and has a wavelength of 1420 nm to 1497.5 nm and 1582.5. reflects optical signals in the wavelength range of nm-1620 nm. Accordingly, the WCDMA signal transceiver 130 transmits the 1510 nm optical signal wavelength region transmitted from the WCDMA signal transceiver 130 through the second optical insert extractor via the first optical insert extractor 111 to share the second optical path sharing device ( 210, and receives an optical signal of 1530 nm and 1570 nm wavelength bands transmitted from the second optical path sharing device 210 via the first optical insert extractor 111.

On the other hand, the WiBro signal transceiver for transmitting and receiving the WiBro signal through the single optical line 300 is connected to the first optical fiber channel sharing module 110 together with the above-described conventional CDMA signal transceiver 120 and WCDMA signal transceiver 130 140 includes third and fourth light insertion extractors 141 and 143, which are light insertion extractors each consisting of 2-1 ports.

In this case, in the third optical insert extractor 141, the ninth optical path 145a of one side is connected to the seventh optical path 117b of the second optical insert extractor 115, and the tenth optical path 145b is formed in the third optical insert extractor 141. It is connected to the twelfth optical path 145d of the four light insertion extractors 143. In addition, the third optical insertion extractor 141 is connected to the PD 147a for receiving the optical signal of 1490 nm wavelength band from the other eleventh optical path 145c. In addition, the fourth optical insertion extractor 143 is connected to an LD 147c for transmitting an optical signal having a wavelength of 1450 nm to a thirteenth optical path 145e connected to one side, and a fourteenth optical path 145f on the other side. Connects to a PD 147b for receiving an optical signal in a wavelength band of 1470 nm.

Hereinafter, the operation of the optical path sharing apparatus according to the first embodiment of the present invention configured as described above will be described with reference to FIGS. 1 and 2.

First, a case in which an optical signal is transmitted from the base station 100 to the repeater 200 through the single optical line 300 will be described.

The optical signal of the 1550 nm wavelength band transmitted from the CDMA signal transceiver 120 is transmitted through the fourth optical path 114d of the first optical insert extractor 111, so that the third filter 113c, the second filter 113b, and the first signal are transmitted. After sequentially passing through the first filter 113a, the second optical path is sequentially transmitted to the second optical path sharing module 210 of the repeater 200 through the first optical fiber 114a and the single optical fiber 300, and then to the CDMA signal. Transmitted to the transceiver 220.

In addition, the optical signal of the 1510nm wavelength band transmitted from the WCDMA signal transceiver 130 of the base station 100 side is transmitted through the eighth optical path 117c to the fourth filter 116 of the second optical inserter 115. After being transmitted, the first optical inserter 111 is guided by the sixth optical path 117a and the second optical path 114b, and then the first filter 113a of the first optical inserter 111 is moved. After transmission, the light is reflected by the second filter 113b and then transmitted again through the first filter 113a and sequentially transmitted from the CDMA signal transceiver 120 through the first optical path 114a and the single optical path 300. Along with the optical signal of 1550nm wavelength band, the second light beam of the repeater 200 is transmitted to the sharing module 210, and then transmitted to the WCDMA signal transceiver 230.

Furthermore, an optical signal of 1470 nm wavelength band transmitted from the WiBro signal transceiver 140 is also transmitted through a single optical line 300 together with the optical signals transmitted from the CDMA signal transceiver 120 and the WCDMA signal transceiver 130. The second optical path of the 200 is transmitted to the sharing module 210. The flow of the optical signal of the 1470nm wavelength band transmitted from the WiBro signal transceiver 140 is as follows.

The optical signal of the 1450 nm wavelength band transmitted from the LD 147c of the WiBro signal transceiver 140 is guided to the fourth optical insert extractor 143 through the thirteenth optical path 145e, and the optical extractor 143 of the fourth optical insert extractor 143 As reflected by the filter (not shown), it is guided to the third light insertion extractor 141 through the twelfth optical path 145d and the tenth optical path 145b. Subsequently, the optical signal having the wavelength band of 1450 nm is reflected by a filter (not shown) of the third light insertion extractor 141 and transmitted to the first optical path sharing device 110 along the ninth optical path 145a. Subsequently, the optical signal having the wavelength band of 1450 nm is guided to the second light insertion extractor 115 through the seventh optical path 117b and then reflected by the fourth filter 116 of the second light insertion extractor 115. It is guided to the first light insertion extractor 111 through the sixth optical path 117a and the second optical path 114b. In this case, the optical signal having the wavelength band of 1450 nm passes through the first filter 113a of the first light extractor 111 and is reflected by the second filter 113b, and then passes through the first filter 113a and sequentially. After being guided to the second optical fiber sharing module 210 through the first optical fiber 114a and the single optical fiber 300, the transmission is again transmitted to the WiBro signal transceiver 240 of the repeater 200 side.

Contrary to the above, a plurality of optical signals emitted from each signal transceiver 220, 230, 240 of the repeater 200 side is connected to the first optical path sharing module 110 of the base station 100 through the single optical path 300, respectively. Referring to the process of transmitting the signal transceiver (120,130,140) as follows.

First, optical signals of 1310 nm and 1330 nm wavelength bands transmitted from the CDMA signal transceiver 220 connected to the second optical path sharing module 210 pass through the single optical path 300 via the second optical path sharing module 210. It is transmitted to the sharing module 110 via the first optical fiber. Subsequently, the optical signals in the 1310 nm and 1330 nm wavelength bands are reflected by the first filter 113a of the first optical inserter 111 to sequentially pass through the third optical path 114c and the fifth optical path 114e. 1 is guided to the other side of the light insertion extractor 111, and is reflected by the third filter 113c and transmitted to the CDMA signal transceiver 120 through the fourth optical path 114d.

In addition, the optical signal of the 1530nm and 1570nm wavelength band transmitted from the WCDMA signal transceiver 230 connected to the second optical path sharing module 210 is combined with the optical signal of the 1310nm and 1330nm wavelength band of the CDMA signal. It is transmitted to the first optical fiber sharing module 110 through the single optical fiber 300 via the sharing module 210. Thereafter, the optical signals having the wavelength bands of 1530 nm and 1570 nm pass through the first filter 113a of the first light insertion extractor 111, are reflected by the second filter 113b, and then the first filter 113a is again applied. After being transmitted and sequentially guided to one side of the second light insertion extractor 115 through the second optical path 114b and the sixth optical path 117a, the fourth optical filter 116 passes through the eighth optical path ( 117c is transmitted to the WCDMA signal transceiver 130.

The optical signals of the 1470 nm and 1490 nm wavelength bands transmitted from the WiBro signal transceiver 240 connected to the second optical path sharing module 210 include the optical signals of the 1310 nm and 1330 nm wavelength bands, which are the CDMA signals, and the 1530 nm and WCDMA signals. Along with the optical signal of 1570nm wavelength band, it is transmitted to the first optical path sharing module 110 along the single optical path 300 via the second optical path sharing device 210. Subsequently, the optical signals in the wavelength bands of 1470 nm and 1490 nm pass through the first filter 113a of the first light extractor 111 and are reflected by the second filter 113b, and then the first filter 113a is again applied. Transmitted and sequentially guided to one side of the second light insertion extractor 115 through the second optical path 114b and the sixth optical path 117a, and then reflected by the fourth filter 116 and the seventh light sequentially. It is transmitted to the WiBro signal transceiver 140 through the furnace 117b and the ninth optical path 145a.

The optical signal of the 1470 nm wavelength band transmitted to the WiBro signal transceiver 140 is reflected by a filter (not shown) of the third optical insertion extractor 141 to sequentially receive the tenth optical path 145b and the twelfth optical path 145d. After being guided to the fourth light insertion extractor 143 through, it is transmitted through the filter (not shown) of the fourth light insertion extractor 143 and transmitted to the PD 147b. In addition, the optical signal of 1490nm wavelength band is transmitted to the PD (147a) through the filter (not shown) of the third optical insert extractor 141 through the eleventh optical path 145c.

As described above, the CDMA signal and the WCDMA signal previously serviced without installing a separate optical path between the base station 100 and the repeater 200 for the WiBro service through the optical fiber sharing apparatus according to the first embodiment of the present invention. Together, the WiBro signal may be transmitted and received through the single optical line 300.

Hereinafter, the configuration of the optical path sharing device according to the second embodiment of the present invention will be described with reference to the accompanying drawings, and the configuration overlapping with the first embodiment will be omitted.

3 is a block diagram illustrating an optical fiber sharing apparatus according to a second exemplary embodiment of the present invention, and FIG. 4 is a block diagram illustrating the optical fiber sharing module shown in FIG. 3.

Referring to FIG. 3, the optical fiber sharing apparatus according to the second exemplary embodiment of the present invention transmits a transmission signal for a next generation service (hereinafter, referred to as “transmission”) together with a CDMA signal, a WCDMA signal, and a WiBro signal. It is possible to transmit and receive through the existing single optical line 300 installed between the base station 100 and the repeater 200 without installation. To this end, the first and the second optical path sharing module (110a, 210a) is installed on the base station 100 side and the repeater 200 side, respectively, CDMA signal, WCDMA signal on each optical path sharing module (110a, 210a) And WiBro signal transceivers 120, 220; 130, 230; 140, 240, and transmission signal transceivers 150, 250, respectively.

In this case, since the first and second optical path sharing modules 110a and 210a have the same configuration, the description of the second optical path sharing module 210a is omitted and only for the first optical path sharing module 110a. Explain. For reference, 'SP' shown in FIG. 4 represents a fusion splicing point that connects optical paths with each other. In this case, like the first embodiment, it is preferable that the optical fiber sharing module and each transceiver are connected to each other by using an optical connector and an optical adapter.

The first optical fiber sharing module 110a has the same structure as that of the first optical fiber sharing module 110 described in the first embodiment, except that the fifth optical insertion extractor 118 includes the fifth filter 118a. ) Is added.

Referring to FIG. 4, the fifth light insertion extractor 118 includes two fifteenth and sixteenth optical paths 119a and 119b at one side and a seventeenth optical path 119c at the other side. It is an extractor. In this case, the fifteenth optical path 119a is connected to the seventh optical path 117b of the second optical insertion extractor 115, and the sixteenth optical path 119b is connected to the WiBro signal transceiver 140. 17 optical line 119c is connected to transmission signal transceiver 150.

In addition, the fifth filter 118a of the fifth light insertion extractor 118 transmits an optical signal having a wavelength of 1442.5 nm to 1497.5 nm, and reflects an optical signal having a wavelength of 1420 nm to 1437.5 nm and 1582.5 nm to 1620 nm. Have In this regard, the transmission signal transceiver 150 transmits an optical signal of 1430 nm wavelength band by using the single optical path 300 through the first optical path sharing module 110a, and transmits optical signals of 1590 nm and 1610 nm wavelength bands. Receive.

In the case of the second embodiment of the present invention, like the first embodiment, the base station 100 and the repeater 200 may be separated together with other signals through the existing single beam 300 without installing a separate optical path. Can send and receive signals

As described above, according to the present invention, by using an existing optical path installed between the base station and the repeater, it is possible to transmit and receive different optical signals to enable the Wi-Fi service and the next-generation transmission service as well as the conventional CDMA service and WCDMA service. Therefore, there is no need to install a separate optical line for the WiBro service and the next generation transmission service between the base station and the repeater, there is an advantage that can reduce the huge line installation equipment.

The present invention has been described above in connection with preferred embodiments for illustrating the principles of the present invention.

Although illustrated and described, the present invention is not limited to the configuration and operation as shown and described. That is, those skilled in the art will appreciate that many changes and modifications can be made to the present invention without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

Claims (8)

In the optical fiber sharing apparatus provided on the base station and the repeater side for transmitting and receiving a code division multiple access (CDMA) signal and a wideband code division multiple access (WCDMA) signal together through a single optical fiber connecting the base station and the repeater, A first optical fiber sharing module installed in the base station and connected to a CDMA signal transceiver for transmitting and receiving the CDMA signal, a WCDMA signal transceiver for transmitting and receiving the WCDMA signal, and a WiBro signal transceiver for transmitting and receiving WiBro (wireless broadband internet) signals, respectively; ; And, A second optical fiber sharing module installed in the repeater and connected to a CDMA signal transceiver for transmitting and receiving the CDMA signal, a WCDMA signal transceiver for transmitting and receiving the WCDMA signal, and a WiBro signal transceiver for transmitting and receiving WiBro signals ;; The first and second optical fiber sharing module, respectively A first optical insertion extractor having one side connected to the single optical path and the other side connected to the CDMA signal transceiver; And, And a second optical insert extractor having one side connected to one side of the first optical insert extractor and connected to the WiBro signal transceiver, and the other side connected to the WCDMA signal transceiver. delete The method of claim 1, The first optical insert extractor comprises sequentially first to third filters, the first and third filters reflect the optical signal in the wavelength band of 1290nm-1350nm and transmit the optical signal in the wavelength range of 1420nm-1630nm, The second filter reflects the optical signals in the 1420nm-1538nm and 1562nm-1620nm wavelength band and transmits the optical signals in the 1542nm-1558nm wavelength band, The second optical insert extractor has a fourth filter, and the fourth filter reflects optical signals in the wavelength range of 1420 nm to 1497.5 nm and 1582.5 nm to 1620 nm, and transmits optical signals in the wavelength band of 1502.5 nm to 1577.5 nm. Characterized in that the optical fiber sharing device. The method according to claim 1 or 3, The CDMA signal transceiver connected to the first optical fiber sharing module transmits an optical signal of 1550 nm wavelength band to the CDMA signal transceiver connected to the second optical fiber sharing module, and transmits an optical signal of 1310 nm and 1330 nm wavelength band to the second optical signal. Receive from a CDMA signal transceiver connected to a fiber optic sharing module, The WCDMA signal transceiver connected to the first optical fiber sharing module transmits an optical signal of 1510 nm wavelength band to a WCDMA signal transceiver connected to the second optical fiber sharing module, and transmits an optical signal of 1530 nm and 1570 nm wavelength band to the second optical signal. Receive from a WCDMA signal transceiver connected to a fiber optic sharing module, The WiBro signal transceiver connected to the first optical fiber channel sharing module transmits an optical signal of 1450 nm wavelength band to the WiBro signal transceiver connected to the second optical fiber channel sharing module, and transmits an optical signal of 1470 nm and 1490 nm wavelength band to the second optical signal. Optical fiber sharing apparatus characterized in that receiving from the WiBro signal transceiver connected to the optical fiber sharing module. In the optical fiber sharing apparatus provided on the base station and the repeater side for transmitting and receiving a code division multiple access (CDMA) signal and a wideband code division multiple access (WCDMA) signal together through a single optical fiber connecting the base station and the repeater, A first optical fiber sharing module installed in the base station and connected to a CDMA signal transceiver for transmitting and receiving the CDMA signal, a WCDMA signal transceiver for transmitting and receiving the WCDMA signal, and a WiBro signal transceiver for transmitting and receiving WiBro (wireless broadband internet) signals, respectively; ; A second optical fiber sharing module installed in the repeater and connected to a CDMA signal transceiver for transmitting and receiving the CDMA signal, a WCDMA signal transceiver for transmitting and receiving the WCDMA signal, and a WiBro signal transceiver for transmitting and receiving WiBro signals ; And, Further comprising a transmission signal transceiver connected to each of the first and second optical fiber sharing module for the next generation transmission service, The first and second optical fiber sharing module, respectively A first optical insertion extractor having one side connected to the single optical path and the other side connected to the CDMA signal transceiver; A second optical insert extractor having one side connected to one side of the first optical insert extractor and the other side connected to the WCDMA signal transceiver; And, And a fifth optical insert extractor having one side connected to one side of the second optical insert extractor and connected to the transmission signal transceiver, and the other side connected to the WiBro signal transceiver. delete The method of claim 5, The first optical insert extractor comprises sequentially first to third filters, the first and third filters reflect the optical signal in the wavelength band of 1290nm-1350nm and transmit the optical signal in the wavelength range of 1420nm-1630nm, The second filter reflects the optical signals in the 1420nm-1538nm and 1562nm-1620nm wavelength band and transmits the optical signals in the 1542nm-1558nm wavelength band, The second optical insert extractor has a fourth filter, the fourth filter reflects optical signals in the wavelength range of 1420nm-1497.5nm and 1582.5nm-1620nm, and transmits optical signals in the wavelength range of 1502.5nm-1577.5nm, The fifth optical insertion extractor includes a fifth filter, and the fifth filter transmits optical signals in the wavelength range of 1442.5 nm to 1497.5 nm, and reflects optical signals in the wavelength range of 1420 nm to 1437.5 nm and 1582.5 nm to 1620 nm. Ray sharing device, characterized in that. The method according to claim 5 or 7, The CDMA signal transceiver connected to the first optical fiber sharing module transmits an optical signal of 1550 nm wavelength band to the CDMA signal transceiver connected to the second optical fiber sharing module, and transmits an optical signal of 1310 nm and 1330 nm wavelength band to the second optical signal. Receive from a CDMA signal transceiver connected to a fiber optic sharing module, The WCDMA signal transceiver connected to the first optical fiber sharing module transmits an optical signal of 1510 nm wavelength band to a WCDMA signal transceiver connected to the second optical fiber sharing module, and transmits an optical signal of 1530 nm and 1570 nm wavelength band to the second optical signal. Receive from a WCDMA signal transceiver connected to a fiber optic sharing module, The WiBro signal transceiver connected to the first optical fiber sharing module transmits an optical signal of 1450 nm wavelength band to the WiBro signal transceiver connected to the second optical fiber sharing module, and transmits an optical signal of 1470 nm and 1490 nm wavelength band to the second optical signal. Received from the WiBro signal transceiver connected to the optical fiber sharing module, And a transmission signal transceiver connected to the first optical fiber sharing module for transmitting or receiving optical signals in wavelength bands of 1430 nm, 1590 nm, and 1610 nm.

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