KR20010100033A - Unified repeating system for mobile communication service - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an integrated mobile communication relay system, wherein a plurality of mobile communication providers, namely, three PCS companies, three IMT-2000 three to four companies, and two cellular (IS95C) companies receive signals from each switching center or base station. Integrate, redistribute, and transmit to multiple repeaters in the service area to transmit the PCS, IMT-2000, and cellular (IS95C) at the same time. It is to reduce the back.

To this end, the present invention allows mobile operators to integrate, redistribute, and optically convert a plurality of subscriber signals transmitted from one or more switching centers or base stations into one forward transmission to a plurality of service areas through an optical cable, or the reverse transmission thereof. Extraction of the subscriber signal for each mobile carrier before the integration from the optically transmitted subscriber signal and forward transmission to the subscriber terminal or backward transmission thereof, thereby integrating subscriber terminals for each mobile carrier located in one service area at a time. It characterized in that it comprises a relay means.

Description

Unified Mobile Communication System {UNIFIED REPEATING SYSTEM FOR MOBILE COMMUNICATION SERVICE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication relay system, and more particularly, to an integrated mobile communication relay system capable of relaying a plurality of subscriber signals of various frequency bands, each serviced by a plurality of mobile communication operators, using one common repeater. will be.

Conventional mobile communication relay system has a large number of base stations in the urban area densely installed in the urban area, which can directly transmit subscriber channels to the inter-station interconnection link between the exchanges of other switching stations and the public switched line network (PSTN), and each base station is connected to each other by an optical cable. It is configured to connect and communicate between each base station.

In such a mobile communication relay system, a subscriber station located within its service area at each base station directly services a service antenna.

In addition, for a subscriber station located in a radio wave shielding area, a shaded area, or a long distance, a link repeater for frequency-converting and transmitting a subscriber channel through a transmission link antenna, and a service repeater for wirelessly receiving and reproducing the service is provided to the subscriber station. By installing at a distance of more than a certain distance, the service even for subscriber stations of radio wave shielding area, shadowed area or remote service that is not available.

However, such a conventional mobile communication relay system requires a lot of facility and operation costs by various repeaters such as PCS, IMT-2000, cellular (IS95C) in various places such as ground, subway, tunnel, etc. In addition, such a conventional mobile communication relay system has a problem that the noise is increased by the signal interference between the repeaters are closely installed in the downtown area and aesthetic problems, due to the increase in noise is limited by the number of installation of the repeater There was a problem.

Accordingly, there is a demand for the development of an integrated relay system capable of providing a high quality service at a low cost to a plurality of subscriber channels transmitted from a plurality of base stations.

The present invention has been made to solve the above problems, an object of the present invention is to provide a plurality of PCS operators or a plurality of IMT-2000 operators or a plurality of cellular operators or a plurality of IS95C operators each independently installed and used Alternatively, the signals from the base stations can be integrated at the mortgage station and then redistributed and transmitted to the repeaters of the service area in several places to relay PCS, IMT-2000, and cellular (IS95C) at once. It is to provide an integrated mobile communication relay system that can significantly reduce operating costs.

In order to achieve the above object, the present invention provides a forward (exchange station) through a fiber optic cable by integrating and redistributing a plurality of subscriber signals transmitted from one or more switching stations or base stations respectively relaying subscriber signal for each transmission frequency band. Or from the base station to the subscriber station in the service area by optical transmission or the reverse direction (from the subscriber station to the switching station or base station), and extracts the subscriber signal for each frequency band before the integration from the forward transmitted optical signal. An integrated mobile communication relay system comprising forward relay or reverse optical transmission, comprising integrated relay means for relaying subscriber stations of multiple frequency bands located in one service area at a time.

In the present invention, the integrated relay means may include at least one PCS network subscriber signal and / or IMT-2000 network subscriber signal and / or cellular network subscriber signal and / or IS95C communication network respectively transmitted from each switching center or base station for each of a plurality of frequency bands. Attenuate and amplify the subscriber signals into one, and attenuate and amplify them uniformly, and redistribute the amplified synthesized signals in a predetermined number to forward optical transmission through an optical cable, or synthesize and combine a single backward optical transmission signal through the optical cable into a constant attenuation and amplification. A mortgage station hub relay means for distributing the amplified synthesized signal and transmitting the amplified synthesized signal to each switching station or base station for a plurality of frequency bands; Optical fiber is connected to the base station hub relay means, and the optical signals forwarded from the base station hub relay means are photoelectrically converted and distributed to the subscriber signal for each frequency band before the integration. Attenuate and multi-step amplify and filter, respectively, to serve multiple PCS network subscriber stations and / or IMT-2000 network subscriber stations and / or cellular network subscriber stations and / or IS95C network subscriber stations, or the plurality of subscriber stations Self-submission service for filtering, attenuating and multi-stage amplifying subscriber signals for each frequency band transmitted backward from the receiver, and synthesizing the plurality of amplified subscriber signals for each frequency band into one and optically transmitting them to the base station hub relay means through an optical cable. Relay It can be configured to also.

The self-station service relay means distributes the photoelectrically converted signal transmitted from the base station hub relay means into a PCS communication band frequency signal, an IMT-2000 communication band frequency signal, and a cellular (IS95C) communication band frequency signal. Constantly attenuate and multi-step amplify and filter each one, and copy each to a transmit / receive antenna for PCS, a transmit / receive antenna for IMT-2000, and a transmit / receive antenna for cellular (IS95C), respectively. A low power outdoor self station for relay service to an IMT-2000 network subscriber station and / or a cellular network subscriber station and / or an IS95C network subscriber station, or a reverse transmission service of a subscriber signal transmitted backward from each of the subscriber stations; or One embodiment may be configured as a waiting room service repeater; And / or one or more frequency signals of the PCS communication band, one or more frequency signals of the IMT-2000 communication band, or one or more frequencies of the cellular (IS95C) communication band transmitted by the mortgage station hub relay means. Attenuation and IF filtering and multi-stage high frequency amplification are respectively distributed to each signal, and each amplified frequency signal is a filter of the PCS communication band, a filter of the IMT-2000 communication band, and a filter of the cellular (IS95C) band. Band filtering and resynthesis by copying to PCS transmit / receive antenna, IMT-2000 transmit / receive antenna, and cellular (IS95C) transmit / receive antenna, respectively, multiple PCS network subscriber terminals and / or multiple IMT-2000 communication networks A subscriber signal relayed to a subscriber station and / or a plurality of cellular (IS95C) network subscriber stations or transmitted backward from each of the subscriber stations Received by the transmit / receive antenna for PCS, transmit / receive antenna for IMT-2000, transmit / receive antenna for cellular (IS95C), full-band amplification and synthesis of the subscriber signal of each communication band, respectively, and the synthesized subscriber signal Another embodiment may be configured as a service relay for a high power outdoor magnetic station or a tunnel for optical transmission in the reverse direction through an optical cable.

In each embodiment of the present invention, the small output outdoor magnetic station or waiting room service repeater and the large output outdoor magnetic station or tunnel service repeater are distributed according to the PCS communication band, IMT-2000 communication band, and cellular (IS95C). In the subscriber signal amplification line for each communication band, a temperature compensation automatic attenuator for attenuating the output change according to the temperature change may be provided.

1 is a block diagram of an integrated mobile communication relay system according to the present invention.

2 is a detailed circuit diagram illustrating an example of a configuration of the base station hub relay means 100 of FIG. 1.

Figure 3a is a detailed circuit diagram showing an example of the configuration of a low power outdoor magnetic station or waiting room service repeater 300

3B is a detailed circuit diagram showing an example of the configuration of the service relay 400 for the high power outdoor magnetic station or the tunnel.

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

100: mortgage station hub relay means 200: optical cable

300: service relay for low power outdoor magnetic station or waiting room

400: service relay for high power outdoor magnetic station or tunnel

500: Self-Station Service Relay Means

These objects, features and advantages of the present invention will be more readily understood by reference to the accompanying drawings and the following detailed description.

The integrated mobile communication relay system according to the present invention constitutes a preferred embodiment so that the mobile communication subscriber signals serviced by the PCS communication network, the IMT-2000 communication network, and the cellular (IS95C) communication network can be relayed using one integrated relay means. Can be.

In the following the present invention will be described by taking the case where the integrated relay means consisting of one hub repeater installed in the mortgage station and a waiting room or tunnel service repeater installed in the self station in the service area. In addition, in the present specification, the waiting room or tunnel service repeater will be described as an example in which a subscriber signal of 3 PCS channels, 3 channels of IMT-2000, and 3 channels of cellular (IS95C) are integrated. The detailed description of the subscriber signal of the IS95C channel will be omitted. However, the technical spirit of the present invention is not limited thereto, but may be variously modified and modified by those skilled in the art.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is a block diagram of an integrated mobile communication relay system according to the present invention, wherein at least one PCS switching center (or base station) relays subscriber signals for each transmission frequency band serviced in each communication network such as PCS, IMT-2000, and cellular (IS95C). ) And converts analog or digital electrical signals into optical signals by integrating and redistributing multiple subscriber signals transmitted from IMT-2000 switching center (or base station) and cellular (IS95C) switching center (or base station) into multiple signals through optical cable. Forward (backward switching from subscriber station to subscriber station) optical transmission or reverse direction (subscriber terminal to switching center), and extracting subscriber signal for each frequency band before integration from the forwarded optical signal Forward transmission (in digital, high frequency after digital / analog conversion) Division may (in the case of the reverse demodulation), the amplified transmission) or by optical transmission, and vice-versa, represents the whole schematic view of the integrated relay means for relaying at the same time a plurality of frequency band which is located within a service area the subscriber terminal. In the case of short-range in the waiting room, coaxial cable may be used instead of optical cable.

Referring to FIG. 1, the integrated relay means according to the present invention includes a mortgage station hub relay means 100 and a plurality of self station service relay means 500, and the plurality of self station service relay means 500. It may be composed of a small output outdoor magnetic station or a waiting room service repeater 300 or a large output outdoor magnetic station or a tunnel service repeater 400, these 300, 400 are each to the mortgage hub hub relay means (100) It is connected to the optical cable 200.

FIG. 2 is a detailed circuit diagram showing an example of a configuration of the base station hub relay means of FIG.

Referring to FIG. 2, the base station hub relay means 100 has the following forward relay circuit configuration for relaying forward subscriber signals. The forward relay circuit combines a plurality of mobile communication high frequency signals from PCS switching centers or base stations, IMT-2000 switching centers or base stations, cellular switching centers or base stations into one (modulation for converting to analog in digital case (reverse demodulation)). The signal synthesizer 101, the monitoring divider 102 for extracting the monitoring signal, the attenuator 103, the high frequency amplifier 104, the divider 105, and the monitoring transmission / reception. Signal 106, 2-8 divider 107, 2-8 or more divider 108, multiple high frequency amplifiers 109 (1) -109 (n) corresponding to each divided signal, and each distribution An optical diplexer corresponding to the signal and an electrical / light conversion or optical / electrical converter (110 (1) -110 (n)). Accordingly, one or more PCS network subscriber signals and / or IMT-2000 network subscriber signals and / or cellular network subscriber signals transmitted from respective switching stations or base stations for each frequency band are combined, uniformly attenuated, amplified, and amplified. The signal is redistributed to a predetermined number and optically transmitted through the optical cable 200 in the forward direction.

The base station hub relay means 100 has the following reverse relay circuit configuration for relaying reverse subscriber signals. The reverse relay circuit configuration includes an optical diplexer and an electric / optical conversion and an optical / electrical converter (110 (1))-(110 (n)) corresponding to a plurality of subscriber signals, a synthesizer (111) (112), (In the case of digital, it is converted to analog.) Divider 113, monitoring signal transmitter 114, attenuator 115, amplifier 116, distributor (PCS, IMT-2000, cellular (IS95C) 117). Therefore, the reverse optical transmission signals received through the optical cable 200 are synthesized into one, and attenuated and amplified uniformly, and the amplified synthesized signals are distributed and transmitted backward to each switching station or base station for each of a plurality of frequency bands.

3A and 3B illustrate embodiments of the self station service relay means of FIG. 1, and FIG. 3A is a configuration example of a small output outdoor self station or a waiting room service repeater 300, and FIG. It is a detailed circuit diagram which shows the structural example of the service relay 400 for stations or tunnels, respectively.

Referring to FIG. 3A, the low power outdoor self-termination or waiting room service repeater 300 may transmit a forward subscriber signal transmitted from the mortgage station hub relay means 100 through the optical cable 200 to the PCS or IMT-2000 or the like. In order to provide integrated services for each cellular (IS95C) communication method, the following forward service circuits are configured. The forward service circuit configuration includes an optical / electrical or electrical / optical converter and a diplexer 301, a divider 302 (in case of digital transmission, MUX, DEMUX, and digital analog conversion modulation), and monitoring. MNC 303, and forward forward processing means for forward-processing by integrating the signals distributed by the splitter for each PCS or IMT-2000 or cellular (IS95C) communication scheme.

For example, the forward integrated processing means for the PCS signal may include a band pass filter and an attenuator for PCS filtering one of the signals distributed by the splitter into three PCS or one frequency band (10MHz * 3 = 30MHz). (304 (1)), PCS high frequency amplifier 305 (1), PCS automatic temperature compensation attenuator 306 (1), PCS high frequency amplifier 307 (1), PCS high frequency high power amplifier 308 (1)), the transmit / receive diplexer 309 (1) for PCS, and the transmit / receive antenna 310 (1) for PCS.

The forward integrated processing means for the IMT-2000 signal includes a band pass filter for filtering one of the signals distributed by the splitter into three to four or one IMT-2000 frequency band (more than 60 MHz band) and an IMT-2000 signal. Attenuator 304 (2), high frequency amplifier 305 (2) for IMT-2000, auto compensation attenuator 306 (2) for IMT-2000, high frequency amplifier 307 (2) for IMT-2000, A high frequency high output amplifier 308 (2) for IMT-2000, a transmit / receive diplexer 309 (2) for IMT-2000, and a transmit / receive antenna 310 (2) for IMT-2000 can be configured.

The forward integrated processing means for the cellular (IS95C) signal includes a band pass filter and attenuator 304 for cellular (IS95C) for filtering one of the signals distributed by the splitter into two or one cellular (IS95C) frequency bands. 3)), high frequency amplifier 305 (3) for cellular (IS95C), auto compensation attenuator 306 (3) for cellular (IS95C), high frequency amplifier 307 (3) for cellular (IS95C), cellular And a high frequency high output amplifier 308 (3) for (IS95C), a transmission / reception diplexer 309 (3) for cellular (IS95C), and a transmission / reception antenna 310 (3) for cellular (IS95C). .

In some cases, the small output outdoor self station service relay unit may combine a PCS, IMT-2000, and cellular (IS95C) high frequency outputs with one synthesizer (309 (4)) to combine (in the case of reverse direction) and the synthesized signal. It may be configured to include an integrated antenna 310 (4) for integrated transmission and reception.

Further, the low power outdoor self-supporting station or waiting room service repeater 300 has the following reverse service circuit configuration to service reverse subscriber signals transmitted from the multiple subscriber stations. The reverse service circuit configuration is a reverse service by integrating subscriber signals transmitted through the plurality of transmit / receive antennas 310 (1) -310 (3), respectively, for each PCS, IMT-2000, or cellular (IS95C) communication scheme. Each reverse integrated processing means for processing, a synthesizer 316, a monitoring transceiving signal 317, and an optical / electrical or electrical / optical converter and a diplexer 301.

The backward integrated processing means for the PCS signal includes a PCS transmit / receive antenna 310 (1), a PCS transmit / receive diplexer 309 (1), a PCS LNA 311 (1), and a PCS attenuator ( 312 (1)), the PCS amplifier 313 (1), the PCS automatic temperature compensation attenuator 314 (1), and the PCS high frequency amplifier 315 (1).

The reverse integrated processing means for the IMT-2000 signal includes a transmit / receive antenna 310 (2) for IMT-2000, a transmit / receive diplexer 309 (2) for IMT-2000, and an LNA 311 (2) for IMT-2000. )), Attenuator for IMT-2000 (312 (2)), amplifier for IMT-2000 (313 (2)), auto compensation attenuator (314 (2)) for IMT-2000, high frequency amplifier for IMT-2000 ( 315 (2)).

The backward integrated processing means for the cellular (IS95C) signal includes a transmit / receive antenna 310 (3) for cellular (IS95C), a transmit / receive diplexer 309 (3) for cellular (IS95C), and an LNA for cellular (IS95C). (311 (3)), cellular (IS95C) attenuator (312 (3)), cellular (IS95C) amplifier (313 (3)), cellular (IS95C) temperature compensation automatic attenuator (314 (3)), And a high frequency amplifier 315 (3) for cellular (IS95C).

Referring to FIG. 3B, the service relay 400 for a large output outdoor magnetic station or a tunnel may forward forward subscriber signals transmitted from the mortgage station hub relay means 100 through the optical cable 200 to each of the three PCS providers. Or IMT-2000 has the following forward service circuit configuration to separately service each frequency band for each of three carriers or three cellular carriers.

The forward service circuit configuration includes an optical / electrical or electrical / optical converter and diplexer 401, a divider 402, a monitoring transceiver (MNC) 403, and a signal distributed by the divider. A number of forward individual processing means for separately processing each subscriber signal by forwarding by distributing each of three PCS providers or three IMT-2000 carriers or three cellular (IS95C) providers, and a diplexer for PCS ( 411 (1)), PCS transmit / receive antenna 412 (1), IMT-2000 diplexer 411 (2), IMT-2000 transmit / receive antenna 412 (2), and cellular (IS95C) A diplexer 411 (3) and a transmit / receive antenna 412 (3) for cellular (IS95C).

The forward individual processing means for the PCS signal, the distributor 404 for distributing the signal distributed in the distributor 402 by each PCS 3 operators, IMT-2000 three operators or cellular (IS95C) three operators respectively (1)) and a band pass filter and attenuators for the PCS (405 (1) to 405 (3)) for respectively filtering the signals distributed by the divider 404 (1) into frequency bands for each of the three PCS companies, Temperature Compensation Automatic Attenuator for PCS (406 (1) -406 (3)), IF Filter for PCS (407 (1) -407 (3)), High Frequency Amplifier for PCS (408 (1) -408 (3)) And a high frequency high power amplifier 409 (1) -409 (3) for the PCS, and a synthesizer 410 (1) for synthesizing the PCS signal.

In addition, since the individual forward processing means for the IMT-2000 signal and the cellular (IS95C) signal may be implemented in the same form as in the case of the PCS signal, a detailed description thereof will be omitted.

In some cases, the relay unit for a large output outdoor magnetic station or tunnel includes a synthesizer 411 (4) for synthesizing (distributing in the reverse direction) PCS, IMT-2000, cellular (IS95C) high frequency outputs into one, and the synthesized signal. It can be configured to include an integrated antenna (412 (4)) for transmitting and receiving integrated.

In addition, the service relay 400 for a large power outdoor self-supporting station or tunnel has the following reverse service circuit configuration to service a plurality of reverse subscriber signals transmitted through a transmission / reception antenna and a diplexer. The reverse service circuit configuration includes low noise amplifiers 413 (1) -413 (3), attenuators 414 (1) -414 (3), and high frequency amplifiers for PCS or IMT-2000 or cellular (IS95C), respectively. 415 (1) -415 (3)), automatic temperature compensation attenuators 416 (1) -416 (3), and high frequency high power amplifiers 417 (1) -417 (3).

Referring to the operation of the present invention and its effects configured as described above are as follows.

First, in the mortgage station hub relay means 100, the PCS switching station or base stations (3 companies), the IMT-2000 switching station or base stations (3-4 companies), the cellular (IS95C) switching station or base stations (2 or 3 companies) The mobile communication high frequency signals are synthesized by the synthesizer PCS 3 company, IMT-2000, cellular (IS95C) company 2 signal synthesizer 101 and then distributed by the monitoring distributor 102. One of these signals is sent for monitoring, and the other one is passed through the attenuator 103 and then amplified by the high frequency amplifier 104 at a predetermined level. Thereafter, the divider 105 divides the amplified signal again and transmits one of the amplified signals to the monitoring transmission / reception signal transmitter 106 to use as a monitoring transmission signal, and the other signal is divided into two to eight distributors 107 after each distribution. The signal is divided into two to eight or more dividers 108 to be divided into 36 equally divided abnormal signals to be amplified again by a plurality of high frequency amplifiers 109 (1) to 109 (n). After the distribution distribution in the optical diplexer and the electrical / optical or optical / electrical converters 110 (1)-(110 (n)), the optical cable 200 is passed through a small output outdoor self-termination station or a waiting room service repeater 300 or Each of the large power outdoor self-station or tunnel service relays 400 to transmit transmission.

On the contrary, the subscriber signal coming from the reverse transmission outdoor magnetic station or waiting room service repeater or the outdoor magnetic station or tunnel service repeater is also transmitted to the optical diplexer and the electric / optical conversion or the optical / electrical converter 110 through the same optical cable 200. (1)-(110 (n)) to separate the received signals from the synthesizer 111 to combine two to eight or more, and synthesizer 112 to combine two to four or more into one Synthesis up to 36 or more, then use one for monitoring after the amplification distribution in the divider 113 and the other after re-amplifying the amplifier 116 after adjusting the level in the attenuator 115 In addition, three PCS, three IMT-2000, and two or three cellular (IS95C) signals are distributed from three IMT-2000 companies and two cellular (IS95C) companies 117 to be transmitted to the switching center or base station.

Next, the operation of the small output outdoor magnetic station or the waiting room service repeater 300, the signal from the mortgage station hub relay means 100 is transmitted to the optical cable 200, the optical / electrical or electrical / optical converter and After converting into an electrical signal in the diplexer 301, the distributor 302 is divided into four and one enters a monitoring transceiver (MNC) 303, and the other one is a PCS 3 company 10MHz * 3 companies = 30MHz PCS attenuator 304 (1), PCS high frequency amplifier 305 (1), PCS temperature compensation automatic attenuator attenuator 306 (1), PCS high frequency amplifier 307 (1)), a high frequency high output amplifier 308 (1) for PCS, and a PCS transmit and receive antenna 310 (1) via a PCS transmit / receive diplexer 309 (1).

The other one is IMT-2000 attenuator 304 (2), IMT-2000 high frequency amplifier (305 (2)), IMT-2000 Band PassFilter and IMT-2000 Transceiver Die after Passing Temperature Compensation Auto-Attenuator (306 (2)), High Frequency Amplifier (307 (2)) for IMT-2000, High Frequency High Power Amplifier (308 (2)) for IMT-2000 It is input to the flexure 309 (2) and copied through the transmit / receive antenna 310 (2) for IMT-2000.

The last one passes through the band pass filter in a band of 25MHz band or more in total of two cellular (IS95C) companies, and then attenuators 304 (3) for cellular (IS95C), high frequency amplifier 305 (3) for cellular (IS95C), Cellular (IS95C) temperature compensation automatic attenuator (306 (2)), cellular (IS95C) high frequency amplifier (307 (3)), cellular (IS95C) high frequency high output amplifier (308 (3)) It passes through a transmit / receive diplexer 309 (3) for IS95C and is radiated through a transmit / receive antenna 310 (3) for cellular (IS95C).

In the reverse direction, the signals transmitted from the PCS, IMT-2000, and cellular (IS95C) subscribers are transmitted / received by the PCS transmit / receive antenna 310 (1), the transmit / receive antenna 310 (2) for IMT-2000, and cellular (IS95C). Receive / receive antenna 310 (3), respectively, transmit / receive diplexer 309 (1) for PCS, transmit / receive diplexer 309 (2) for IMT-2000, and transmit / receive die for cellular (IS95C), respectively. It passes through the flexure 309 (3) and is received by the LNA 311 (1) for PCS, the LNA 311 (2) for IMT-2000, and the LNA 311 (3) for cellular (IS95C), respectively. . The PCS is then passed through a PCS attenuator 312 (1), PCS amplifier 313 (1), PCS automatic temperature compensation attenuator 314 (1), and PCS high frequency amplifier 315 (1). 316, the IMT-2000 is an attenuator 312 (2) for IMT-2000, an amplifier 313 (2) for IMT-2000, an automatic attenuation attenuator 314 (2) for IMT-2000, It is input to the synthesizer 316 via a high frequency amplifier 315 (2) for IMT-2000, and cellular IS95C is an attenuator 312 (3) for cellular (IS95C) and an amplifier 313 (3) for cellular (IS95C). )), The temperature compensation automatic attenuator attenuator 314 (3) for cellular (IS95C), the high frequency amplifier 315 (3) for cellular (IS95C), input to the synthesizer 316 and synthesized as one Alternatively, the signal is converted into an optical signal by the electric / optical converter and the diplexer 301 and transmitted back to the optical cable 200 to the remote mortgage station hub relay means 100.

Finally, the operation of the high power outdoor magnetic station and the tunnel service relay 400 shows that the signal transmitted from the mortgage station hub relay means 100 through the optical cable 200 is optical / electrical or electrical / optical converter and optical die. Received through the flexure 401 and converted into an electrical signal, the received signal is passed through each band pass filter in the splitter 402, PCS (three companies), IMT-2000 (three to four companies), cellular And three types of IS95C (two or three companies). Among the distribution signals, the PCS signals are further distributed by three companies at 10 MHz in the four-splitter 404 (1) for PCS, and the IMT-2000 signals are distributed equally or unequally by three or four in the four-splitter for IMT-2000 again. Cellular or IS95C signals are distributed to two or three companies on a cellular (IS95C) divider or simply output to one company.

Among the signals distributed by the PCS distributor 404 (1), the PCS first operator 10 MHz frequency band signal is a PCS attenuator 405 (1), PCS temperature compensation automatic attenuator 406 (1), Down converter IF filter for PCS (407 (1)) for 10MHz channel pass through the post IF frequency band, after frequency regeneration in the mixer, PCS high frequency amplifier (408 (1)), PCS high frequency high power amplifier (409 (1)) Through the PCS Band Pass Filter and Synthesizer 410 (1), the PCS attenuators 405 (2) and 405 (3) also receive the 10MHz frequency band signals of the PCS 2nd or PCS 3rd operators. Temperature compensation automatic attenuator (406 (2), 406 (3)) for PCS, IF filter (407 (2), 407 (3)) for PCS for downconverter 10MHz channel pass, high frequency amplifier (408) for PCS 2), 408 (3)) and the high frequency high power amplifiers 409 (2) and 409 (3) for the PCS, respectively, after input and synthesis into the band pass filter and the synthesizer 410 (1) for the PCS. Diplexer (411 (1)) and Water Supply for PCS Is copied from the antenna (412 (1)).

The IMT-2000 signal and the cellular signal distributed in the quadrature divider for the IMT-2000 and the quadrature for the cellular (IS95C) are also serviced in the same manner as in the case of the PCS signal, and the IF BAND PASS filter is allowed for each operator. Frequency band) through each diplexer (for IMT-2000, for cellular (IS95C)) (411 (2), 411 (3)) for each transmit / receive antenna (for IMT-2000, cellular (IS95C) Are copied through 412 (2) and 412 (3).

In the reverse direction, the signals transmitted by each subscriber station are transmitted and received by the respective transmit / receive antennas 412 (1), 412 (2), 412 (3), and respective diplexers 411 (1), 411 (2), 411 (3)), and the three PCS signals are received by the low noise amplifier 413 (1) for PCS, attenuator 414 (1) for PCS, high frequency amplifier 415 (1) for PCS, and temperature for PCS. Input to the synthesizer 418 via a compensating auto-attenuator 416 (1) and a high frequency amplifier 417 (1) for PCS, and three to four IMT-2000 signals are low noise amplifiers 413 (2) for IMT-2000. )), Attenuator (414 (2)) for IMT-2000, High Frequency Amplifier (415 (2)) for IMT-2000, Auto Compensation Attenuator (416 (2)) for IMT-2000, High Frequency Amplifier for IMT-2000 The signal is input to the synthesizer 418 via 417 (2), and the two or three cellular signals IS95C are low noise amplifier 413 (3) for cellular (IS95C) and attenuator 414 (3) for cellular (IS95C). )), High Frequency Amplifier (415 (3)) for Cellular (IS95C), Temperature Compensation Attenuator (416 (3)) for Cellular (IS95C), Cellular (IS95C) Input to the synthesizer 418 via a high frequency amplifier 417 (3).

The reverse majority subscriber signal synthesized by the synthesizer 418 is converted into an optical signal through an optical / electrical or electrical / optical converter and an optical diplexer 401, and then through the optical cable 200, the mortgage station hub relay means 100 Is sent).

In some cases, the PCS, IMT-2000, and Celluar (IS95C) high frequency outputs may be synthesized in the respective relay station service (309 (4) for the waiting room service repeater of FIG. 3A or the tunnel service repeater of FIG. 3B). In the case of 411 (4), integrated transmission (310 (4) for the waiting room service repeater of FIG. 3A) or (412 (4) for the tunnel service repeater of FIG. 3B). In addition, integrated mobile communication relaying becomes possible.

The present invention is not limited to the embodiments described above, and various modifications and changes can be made by those skilled in the art, which are included in the spirit and scope of the present invention as defined in the appended claims.

Therefore, according to the integrated mobile communication relay system of the present invention, it is possible to relay all PCS, IMT-2000, cellular (IS95C) signals in one place, so that the facility and operation maintenance costs are 1/10 of those of the conventional mobile communication relay system. There is an advantage that can be reduced to the effect.

Claims (11)

Integrates and redistributes multiple subscriber signals from PCS and cellular (IS95C) IMT-2000 mobile service providers transmitted from one or more switching centers or base stations, respectively, relaying subscriber signals for each transmission frequency band into an optical signal After the conversion, the optical fiber forwards (from the switching station or the base station to the subscriber terminal) optical transmissions or reverses the transmission (from the subscriber station to the switching station or the base station) through the optical cable, and transfers the optical signal from the forwarded optical signal. Extracting subscriber signals for each frequency band and forwarding them to a subscriber station in a service area or forward optical transmission thereof, and including an integrated relay means for relaying subscriber stations of multiple frequency bands located in one service area at a time; Integrated mobile communication relay system characterized in that. The method of claim 1, wherein the integrated relay means, One or more PCS network subscriber signals and / or IMT-2000 network subscriber signals and / or cellular network subscriber signals and / or IS95C network subscriber signals transmitted from each switching center or base station for each of a plurality of frequency bands in a single, uniform attenuation and After amplifying and redistributing the amplified synthesized signal to a number corresponding to a predetermined service area, an analog or digital signal is converted to electro-optical light after electro-optical conversion, or a combination of reverse optical transmission signals coming through the optical cable into one is fixed. A mortgage station hub relay means for attenuating and amplifying the signal, and amplifying the amplified synthesized signal and transmitting the amplified synthesized signal to each switching station or base station for a plurality of frequency bands; Optical fiber is connected to the base station hub relay means, and the optical signals forwarded from the base station hub relay means are photoelectrically converted and distributed to the subscriber signal for each frequency band before the integration. Constant attenuation (or modulation) and multi-step amplification and filtering, respectively, to service multiple PCS network subscriber stations and / or IMT-2000 network subscriber stations and / or cellular network subscriber stations and / or IS95C network subscriber stations, or Filter and attenuate (or demodulate) and multi-stage subscriber signals for each frequency band transmitted backwards from a plurality of subscriber stations, synthesize the amplified subscriber signals for each frequency band into one, and transmit the hub signal to the base station through an optical cable. Magnetically transmitting optically to An integrated mobile communication relay system comprises a service relay means. 3. The integrated mobile communication relay system according to claim 2, wherein the base station hub relay means and the self station service relay means are connected through a high frequency cable. The method of claim 2, wherein the own station service relay means, The mortgage station hub relay unit transmits the photoelectrically converted signal into the frequency signal of the PCS communication band, the frequency signal of the IMT-2000 communication band, the frequency signal of the cellular communication band, and the frequency signal of the IS95C communication band. Attenuation and multi-stage amplification and filtering, and copying each band signal to a transmit / receive antenna to transmit multiple PCS network subscriber terminals and / or IMT-2000 network subscriber terminals and / or cellular network subscriber terminals and / or IS95C network subscriber terminals. Or a small output outdoor self-supporting station or a waiting room service repeater for relaying a subscriber signal transmitted backward from the respective subscriber stations in reverse direction. The service repeater of claim 4, wherein the low power outdoor self-support station or waiting room service repeater includes: Copy the filtered PCS, IMT-2000, and cellular (IS95C) signals of each band to a transmit / receive antenna for PCS, a transmit / receive antenna for cellular (IS95C), and a transmit / receive antenna for IMT-2000, respectively, and / Or PCS, IMT-2000, and cellular (IS95C) integrated one antenna integrated forward or reverse relay service characterized in that the relay service. The service repeater of claim 4, wherein the low power outdoor self-support station or waiting room service repeater includes: The filtered PCS signal or IMT-2000 signal or cellular signal or IS95C signal of each band, and / or the signal integrated by PCS operators or the signal integrated by IMT-2000 operators or the cellular provider or IS95C Integrated forwarder and reverse relay service by copying the signals integrated between operators to PCS and IMT-2000 integrated antenna, PCS and cellular (IS95C) integrated antenna, or IMT-2000 and cellular (IS95C) integrated antenna. Mobile communication relay system. The service relay according to any one of claims 4 to 6, wherein the small output outdoor magnetic station or the waiting room service relay includes: The distributed PCS, IMT-2000, cellular (IS95C) subscriber signal amplification line for each communication band, an integrated mobile communication relay system characterized in that it comprises a temperature compensation automatic attenuator for increasing or attenuating the output change according to the temperature change. 3. The self-support station repeater means according to claim 2, One or more respective carrier band frequency signals of the PCS communication band, one or more respective carrier band frequency signals of the IMT-2000 communication band, and one of the cellular communication bands. The respective carrier band frequency signals and one or more carrier band frequency signals of the IS95C communication band are respectively distributed, and the respective attenuators are uniformly attenuated and IF carriers of each carrier band are filtered and multi-stage high frequency amplified, respectively. Signal is synthesized and then filtered by PCS communication band, IMT-2000 communication band, cellular communication band, and IS95C communication band, and then synthesized and copied to each transmit / receive antenna respectively. And / or a plurality of IMT-2000 communication subscriber stations and / or a plurality of cellular communication networks A relay terminal with particles and / or multiple IS95C network subscriber station or service; Or receiving and transmitting subscriber signals transmitted from the respective subscriber stations through a transmit / receive antenna, and amplifying and synthesizing the subscriber signals of each communication band, respectively, and optically transmitting the synthesized subscriber signals in the reverse direction through the optical cable. Integrated mobile communication relay system, characterized in that consisting of a service relay for the outdoor outdoor self-station or tunnel. The service repeater of claim 8, wherein the high power outdoor self-support station or the tunnel service repeater includes: The PCS, IMT-2000, cellular, and IS95C signals of each of the filtered bands are copied to a transmit / receive antenna for PCS, a transmit / receive antenna for IMT-2000, a transmit / receive antenna for cellular, and a transmit / receive antenna for IS95C, respectively. And / or forward or reverse relay service by copying to PCS, IMT-2000 and cellular (IS95C) integrated one antenna. The service repeater of claim 8, wherein the high power outdoor self-support station or the tunnel service repeater includes: The filtered PCS signal or IMT-2000 signal or cellular signal or IS95C signal of each band, and / or the signal integrated by PCS operators or the signal integrated by IMT-2000 operators or the cellular provider or IS95C Integrated forwarder and reverse relay service by copying the signals integrated between operators to PCS and IMT-2000 integrated antenna, PCS and cellular (IS95C) integrated antenna, or IMT-2000 and cellular (IS95C) integrated antenna. Mobile communication relay system. The service relay according to any one of claims 8 to 10, wherein the high power outdoor magnetic station or the tunnel service relay includes: The distributed PCS, IMT-2000, cellular (IS95C) multiple subscriber signal amplification line for each communication band, the integrated mobile communication relay system characterized in that it comprises a temperature compensation automatic attenuator for increasing or attenuating the output change according to the temperature change.