KR0143005B1 - Connecting device between system and interfaces in wireless private exchange system - Google Patents
Connecting device between system and interfaces in wireless private exchange systemInfo
- Publication number
- KR0143005B1 KR0143005B1 KR1019940022498A KR19940022498A KR0143005B1 KR 0143005 B1 KR0143005 B1 KR 0143005B1 KR 1019940022498 A KR1019940022498 A KR 1019940022498A KR 19940022498 A KR19940022498 A KR 19940022498A KR 0143005 B1 KR0143005 B1 KR 0143005B1
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- main body
- control information
- system main
- line
- connection device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
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- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
본 발명은 무선사설 교환시스템에서의 시스템 본체와 접속장치간 연결장치에 관한 것이다. 본 발명은 시스템 본체와 접속장치를 연결하는 경우 음성정보와 제어정보를 분리하여 음성정보를 라인을 통해 전달하고 제어정보를 다수의 모뎀을 통해 전달하므로, 시스템 본체와 접속장치간의 이격거리를 종래보다 훨씬 더 연장할 수 있다. 따라서, 셀 영역을 종래보다 더욱 확장할 수 있어 통화 서비스 영역을 효과적으로 확장할 수 있게 된다.The present invention relates to a connection device between a system main body and a connection device in a wireless private exchange system. In the present invention, when the system main body and the connection device are connected, the voice information and the control information are separated, and the voice information is transmitted through a line, and the control information is transmitted through a plurality of modems. It can be extended much further. Therefore, the cell area can be further expanded than before, and the call service area can be effectively extended.
Description
제1도는 일반적인 무선사설 교환시스템의 구성도.1 is a block diagram of a general wireless private exchange system.
제2도는 종래 무선사설 교환시스템에서의 시스템 본체와 접속장치간 연결장치를 도시한 블럭도.2 is a block diagram showing a connection device between a system main body and a connection device in a conventional wireless private exchange system.
제3도는 본 발명에 따른 무선사설 교환시스템에서의 시스템 본체와 접속장치간 연결장치를 도시한 블럭도.3 is a block diagram showing a connection device between a system main body and a connection device in a wireless private exchange system according to the present invention.
*도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1,10,30:시스템 본체 2a∼2n, 20,40:접속장치1, 10, 30: system main body 2a to 2n, 20, 40: connection device
11,12,23,24:HDLC 13,14,21,22:DNIC11,12,23,24: HDLC 13,14,21,22: DNIC
25∼28:콤보회로 31,41:음성정보 송수신부25 to 28: Combo circuit 31, 41: Voice information transceiver
32,42:제어정보 송수신부 50:모뎀32, 42: control information transceiver 50: modem
본 발명은 무선사설 교환시스템에 관한 것으로, 특히 시스템 본체와 접속장치간의 이격거리를 연장시킴으로써 셀(cell)영역을 확장시켜 통화 서비스 영역을 효과적으로 확대 하도록한 무선사설 교환시스템에서의 시스템 본체와 접속장치간 연결장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless private switching system, and more particularly, to a system main body and a connecting device in a wireless private switching system which extends a cell area by effectively extending a separation distance between a system main body and a connection device to effectively expand a call service area. It relates to a liver connection device.
일반적으로, 무선사설 교환시스템은 제1도에 도시된 바와 같이 시스템 본체(1)와 다수의 접속장치(2a∼2n)를 구비하여 이루어진다. 접속장치(2a∼2n)는 무선채널을 통해 다수의 단말장치(도면에 도시하지 않음)와 통신하고, 라인(line)을 통해 시스템 본체(1)측과 통신한다. 시스템 본체(1)는 무선사설 교환시스템의 전체 동작을 제어하는데, 접속장치(2a∼2n)간의 통화로를 절환함과 동시에 접속장치(2a∼2n)와 국선간의 통화로를 절환한다. 또한, 각 접속장치(2a∼2n)들은 자신의 셀(Ca∼Cn)영역을 형성하여 자신의 셀(Ca∼Cn)내에 위치한 단말장치들과 무선채널을 통해 통신한다.In general, the wireless private switching system includes a system main body 1 and a plurality of connection devices 2a to 2n as shown in FIG. The connection devices 2a to 2n communicate with a plurality of terminal devices (not shown) via a wireless channel, and communicate with the system main body 1 side through a line. The system main body 1 controls the overall operation of the wireless private switching system. The system main body 1 switches the communication path between the connection devices 2a to 2n and the communication path between the connection devices 2a to 2n and the trunk line. In addition, each connection device 2a to 2n forms its own cell Ca to Cn area and communicates with the terminal devices located in its own cells Ca to Cn over a wireless channel.
종래에는 시스템 본체와 접속장치간의 연결하는 경우 제2도에 도시된 바와 같이 연결하였다. 제2도에서, 시스템 본체(10)에는 HDLC(11,12:High Level Data Link Control)과 DNIC(13,14:Digital Network Information Circuit)를 구비하며, 접속장치(20)에는 DNIC(21,22), HDLC(23,24) 및 콤보회로(25∼28:Combo Ciruit)를 구비한다. 시스템 본체(10)의 HDLC(11,12)는 D채널 정보를 송수신하는데, D채널 정보를 접속장치(20)측으로 송신하는 경우 시스템 본체(10)내의 다른 회로부로 부터 통화정보가 포함된 2B정보가 인가됨과 동시에 제어정보가 공급되면 해당 제어정보를 D채널에 실어 DNIC(13,14)측에 출력하고, 접속장치(20)로 부터의 D채널 정보를 수신하는 경우 DNIC(13,14)를 통해 통화정보가 포함된 2B채널정보와 D채널정보가 공급되면 해당 D채널정보에서 제어정보를 추출하여 시스템 본체(10)내의 다른 회로부측에 출력한다. DNIC(13,14)는 HDLC(11,12)로 부터 공급되는 2B채널 및 D채널 정보를 접속장치(20)측에 출력함과 동시에 접속장치(20)로 부터 공급되는 2B채널 및 D채널정보를 받아 D채널 정보를 HDLC(11,12)측에 출력한다. 접속장치(20)의 DNIC(21,22)는 DNIC(13,14)로 부터 인가되는 2B채널정보를 수신처리하여 콤보회로(25∼28)측에 출력하며, 콤보회로(25∼28)로 부터 공급된 2B채널 정보를 DNIC(13,14)측에 송신처리한다.In the related art, the connection between the system main body and the connecting device is performed as shown in FIG. In FIG. 2, the system main body 10 is provided with HDLC (11, 12: High Level Data Link Control) and DNIC (13, 14: Digital Network Information Circuit), and the connection device 20 has a DNIC (21, 22). ), HDLC 23 and 24 and combo circuits 25 to 28 (Combo Ciruit). The HDLCs 11 and 12 of the system main body 10 transmit and receive D channel information. When transmitting the D channel information to the connection device 20, 2B information including call information from other circuits in the system main body 10 is transmitted. When the control information is supplied and the control information is supplied, the control information is loaded on the D channel and output to the DNIC (13, 14) side, and the DNIC (13, 14) is received when receiving the D channel information from the access device 20. When the 2B channel information and the D channel information including the call information are supplied, the control information is extracted from the corresponding D channel information and output to the other circuit part in the system main body 10. The DNICs 13 and 14 output 2B channel and D channel information supplied from the HDLC 11 and 12 to the connection device 20, and at the same time, the 2B channel and D channel information supplied from the connection device 20. Receives the D-channel information to the HDLC (11, 12) side. The DNICs 21 and 22 of the connection device 20 receive and process 2B channel information applied from the DNICs 13 and 14 and output them to the combo circuits 25 to 28, and to the combo circuits 25 to 28. Transmits 2B channel information supplied from DNIC (13, 14).
HDLC(23,24)는 시스템 본체(10)로 부터 DNIC(21,22)를 통해 공급되는 D채널 정보를 수신 처리하여 접속장치(20)내의 다른 회로부 측에 출력하며, 접속장치(20)내의 다른 회로부로 부터 공급되는 D채널 정보를 송신 처리하여 DNIC(21,22)를 통해 시스템 본체(10)측에 출력한다. 콤보회로(25∼28)는 DNIC(21,22)로 부터 공급되는 2B채널 정보를 복호화하여 접속장치(20)내의 다른 회로부측에 출력하며, 접속장치(20)내의 다른 회로부로 부터 공급되는 2B채널 정보를 부호화하여 DNIC(21,22)측에 출력한다.The HDLCs 23 and 24 receive and process the D-channel information supplied from the system main body 10 through the DNICs 21 and 22 and output them to the other circuit part side in the connecting apparatus 20, and the inside of the connecting apparatus 20. The D channel information supplied from another circuit unit is transmitted and output to the system main body 10 through the DNICs 21 and 22. The combo circuits 25 to 28 decode the 2B channel information supplied from the DNICs 21 and 22 and output it to the other circuit part in the connection device 20, and the 2B supplied from another circuit part in the connection device 20. The channel information is encoded and output to the DNICs 21 and 22.
이상 설명한 바와 같이, 종래에는 시스템 본체(10)와 접속장치(20)간을 연결하는 경우 2B+D채널을 사용하여 정보를 주고 받는 ISDN 가입자 정합방식을 사용하였기 때문에 시스템 본체(10)와 접속장치(20)간의 최대 이격거리가 약 2Km이내로 제한되어 통화서비스를 제공하기 위한 셀을 광범위하게 형성할 수 없는 문제점이 있었다.As described above, in the related art, when the system main body 10 and the access device 20 are connected, the system main body 10 and the access device are used because an ISDN subscriber matching method is used to exchange information using 2B + D channels. There is a problem that the maximum separation distance between the (20) is limited to about 2 km or less can not form a wide range of cells for providing a call service.
본 발명은 전술한 바와 같은 문제점을 해결하기 위하여 안출된 것으로, 시스템 본체와 접속장치간의 이격거리를 종래보다 더욱 연장시킴으로써 셀영역을 확장시켜 통화서비스 영역을 효과적으로 확대하도록 한 무선사설 교환시스템에서의 시스템 본체와 접속장치간 연결장치를 제공하는 데에 목적이 있다.The present invention has been made to solve the above-mentioned problems, the system in the wireless private switching system to effectively expand the call service area by extending the cell area by extending the separation distance between the system main body and the connection device more than before. An object is to provide a connecting device between the main body and the connecting device.
이와 같은 목적을 달성하기 위하여, 본 발명은 무선사설 교환시스템에 있어서, 시스템 본체내의 소정회로부로 부터 공급된 음성정보를 부호화하여 제1라인을 통해 전송하고 상기 제1라인을 통해 수신된 음성정보를 부호화하여 상기 시스템 본체내의 소정회로부 측에 출력하는 제1음성정보 송수신부, 상기 시스템 본체내의 소정회로부로 부터 공급된 제어정보를 변조하여 제2라인을 통해 전송하고 상기 제2라인을 통해 수신된 제어정보를 복조하여 상기 시스템 본체내의 소정회로부 측으로 출력하는 제1제어정보 송수신부, 상기 제1 음성정보 송수신부로 부터 제1라인을 통해 수신된 음성정보를 복호화하여 접속장치내의 소정 회로부측에 출력하고 상기 접속장치내의 소정회로부로 부터 공급된 음성정보를 부호화하여 상기 제1라인을 통해 제1음성정보 송수신부측에 전송하는 제2음성정보 송수신부, 상기 제1제어정보 송수신부로 부터 제2라인을 통해 수신된 제어정보를 복조하여 접속장치내의 소정회로부 측에 출력하고 상기 접속장치내의 소정회로부로 부터 공급된 제어정보를 변조하여 상기 제2라인을 통해 제1제어정보 송수신부측에 전송하는 제2제어정보 송수신부, 상기 제1 및 제2 제어정보 송수신부간에 송수신되는 제어정보를 전달하는 다수의 모뎀을 구비하는 것을 특징으로 한다.In order to achieve the above object, the present invention, in the wireless private exchange system, the voice information supplied from the predetermined circuit unit in the system main body is encoded and transmitted through the first line and the voice information received through the first line A first voice information transmission / reception unit for encoding and outputting to a predetermined circuit unit in the system main body, and modulating and transmitting control information supplied from a predetermined circuit unit in the system main body through a second line and controlling received through the second line. A first control information transmission / reception unit for demodulating information and outputting the first control information transmission / reception unit to a predetermined circuit unit in the system main body, and decoding the voice information received from the first voice information transmission / reception unit through a first line and outputting the decoded information to a predetermined circuit unit side in the connection apparatus First voice information through the first line by encoding voice information supplied from a predetermined circuit unit in a connection device. A second voice information transmitting and receiving unit for transmitting to the receiving unit, demodulating control information received from the first control information transmitting and receiving unit through a second line, outputting to a predetermined circuit unit in the connection apparatus, and supplied from a predetermined circuit unit in the connection apparatus; And a plurality of modems for transmitting the control information transmitted and received between the first and second control information transceivers and the first and second control information transceivers to modulate the transmitted control information to the first control information transceiver through the second line. It is characterized by including.
이하, 첨부된 도면을 참조하여 본 발명의 실시예를 상세히 설명한다.Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;
본 발명에 따른 무선사설 교환시스템에서의 시스템 본체와 접속장치간 연결장치는 제3도에 도시된 바와 같이 구성된다. 제3도에서, 시스템 본체(30)내에는 음성정보 송수신부(31)와 제어정보 송수신부(32)를 구비하고, 접속장치(40)내에는 음성정보 송수신부(41)와 제어정보 송수신부(42)를 구비하며, 시스템 본체(30)의 제어 정보 송수신부(32)와 접속장치(40)의 제어정보 송수신부(42)간에는 다수의 모뎀(50:Modem)이 접속된다. 음성정보 송수신부(31)는 시스템 본체(30)내의 다른 회로부로 부터 공급된 음성정보를 부호화(Coding)하여 라인을 통해 접속장치(40)측으로 전송하고, 접속장치(40)로 부터 라인을 통해 수신된 음성정보를 복호화(decoding)하여 시스템 본체(30)내의 다른 회로부 측으로 출력한다. 제어정보 송수신부(32)는 시스템 본체(30)내의 다른 회로부로 부터 공급된 제어정보를 변조시켜 모뎀(50)을 통해 접속장치(40)측으로 전송하고, 접속장치(40)로 부터 모뎀(50)을 통해 수신되는 제어정보를 복조하여 시스템 본체(30)내의 다른 회로부 측에 출력한다. 음성정보 송수신부(41)는 시스템 본체(30)로 부터 선로를 통해 수신된 음성정보를 복호화하여 접속장치(40)내의 다른 회로부측에 출력하고, 접속장치(40)내의 다른 회로부로 부터 공급된 음성정보를 부호화하여 라인을 통해 시스템 본체(30)로 부터 모뎀(30)측에 전송한다. 제어정보 송수신부(42)는 시스템 본체(30)로 부터 모뎀(50)을 통해 수신된 제어정보를 복조시켜 접속장치(40)내의 다른 회로부측에 출력하고, 접속장치(40)내의 다른 회로부로 부터 공급된 제어정보를 변조시켜 모뎀(50)을 통해 시스템 본체(30)측에 전송한다. 시스템 본체(30)의 제어정보 송수신부(32)에는 최대 8개의 접속장치(40)를 연결할 수 있다. 음성정보 송수신부(31)와 음성정보 송수신부(41)간에는 다수의 선로가 연결되는데, 각 가입자에 대하여 라인을 하나씩 제공한다.The connecting device between the system main body and the connecting device in the wireless private switching system according to the present invention is configured as shown in FIG. In FIG. 3, the system main body 30 includes a voice information transmitting and receiving unit 31 and a control information transmitting and receiving unit 32, and the connection device 40 includes a voice information transmitting and receiving unit 41 and a control information transmitting and receiving unit. And a plurality of modems 50 are connected between the control information transmission / reception unit 32 of the system main body 30 and the control information transmission / reception unit 42 of the connection device 40. The voice information transmitting / receiving unit 31 encodes voice information supplied from another circuit unit in the system main body 30 and transmits the voice information to the connection device 40 through a line, and transmits the voice information from the connection device 40 to a line. The received voice information is decoded and output to the other circuit part in the system main body 30. The control information transmission / reception unit 32 modulates the control information supplied from other circuitry in the system main body 30 and transmits the control information to the connection device 40 through the modem 50, and the modem 50 from the connection device 40. The control information received through) is demodulated and output to the other circuit part in the system main body 30. The voice information transmitting / receiving unit 41 decodes the voice information received from the system main body 30 via a line, outputs the same to other circuit units in the connection device 40, and is supplied from another circuit unit in the connection device 40. The voice information is encoded and transmitted from the system main body 30 to the modem 30 through a line. The control information transmission / reception unit 42 demodulates the control information received from the system main body 30 via the modem 50 and outputs the demodulated control information to the other circuit part in the connection device 40 to another circuit part in the connection device 40. It modulates the control information supplied from the transmission to the system main body 30 through the modem 50. Up to eight connection devices 40 may be connected to the control information transmission / reception unit 32 of the system main body 30. A plurality of lines are connected between the voice information transmitting and receiving unit 31 and the voice information transmitting and receiving unit 41, and provides one line for each subscriber.
이와 같은 본 발명은 다음과 같이 동작한다. 접속장치(40)의 셀내에 위치한 단말장치(도면에 도시하지 않았음)가 통화하는 경우 시스템 본체(30)와 접속장치(40)간에는 통화로 연결을 제어하기 위한 제어정보와 가입자 통화에 의한 음성정보가 송수신된다. 접속장치(40)는 음성정보를 송수신하는 경우 음성정보 송수신부(41)를 통해 시스템 본체(30)측과 음성정보를 송수신하며, 제어정보를 송수신하는 경우 제어정보 송수신부(41)를 통해 시스템 본체(30)측과 제어정보를 송수신한다. 또한, 시스템 본체(30)는 음성정보를 송수신하는 경우 음성정보 송수신부(31)를 통해 접속장치(40)측과 음성정보를 송수신하며, 제어정보를 송수신하는 경우 제어정보 송수신부(32)를 통해 접속장치(40)측과 제어정보를 송수신한다.This invention operates as follows. When the terminal device (not shown in the drawing) located in the cell of the connection device 40 makes a call, the control information for controlling the connection to the call between the system main body 30 and the connection device 40 and voice by subscriber call Information is sent and received. The connection device 40 transmits and receives voice information to and from the system main body 30 through the voice information transmission and reception unit 41 when transmitting and receiving voice information, and the system via the control information transmission and reception unit 41 when transmitting and receiving control information. Control information is transmitted and received with the main body 30 side. In addition, when the system main body 30 transmits and receives voice information, the system main body 30 transmits and receives the voice information with the connection device 40 side through the voice information transmission and reception unit 31, and the control information transmission and reception unit 32 when transmitting and receiving control information. Control information is transmitted and received with the connection device 40 side.
이상 설명한 바와 같이, 본 발명은 시스템 본체와 접속장치를 연결하는 경우 음성정보와 제어정보를 분리하여 음성정보를 라인을 통해 전달하고 제어정보를 다수의 모뎀을 통해 전달하므로, 시스템 본체와 접속장치간의 이격거리를 종래보다 훨씬 더 연장할 수 있다. 따라서, 셀 영역을 종래보다 더욱 확장할 수 있어 통화 서비스 영역을 효과적으로 확장할 수 있게 된다.As described above, in the present invention, when the system main body and the connection device are connected, the voice information and the control information are separated and the voice information is transmitted through a line, and the control information is transmitted through a plurality of modems. The separation distance can be extended even further than before. Therefore, the cell area can be further expanded than before, and the call service area can be effectively extended.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019940022498A KR0143005B1 (en) | 1994-09-07 | 1994-09-07 | Connecting device between system and interfaces in wireless private exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019940022498A KR0143005B1 (en) | 1994-09-07 | 1994-09-07 | Connecting device between system and interfaces in wireless private exchange system |
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| Publication Number | Publication Date |
|---|---|
| KR960013108A KR960013108A (en) | 1996-04-20 |
| KR0143005B1 true KR0143005B1 (en) | 1998-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940022498A KR0143005B1 (en) | 1994-09-07 | 1994-09-07 | Connecting device between system and interfaces in wireless private exchange system |
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| KR (1) | KR0143005B1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5665804A (en) * | 1996-02-05 | 1997-09-09 | Dow Corning Corporation | Silicone latex solvent thickening |
| EP1302656B1 (en) | 2000-07-10 | 2011-09-28 | Mitsubishi Heavy Industries, Ltd. | Fuel injection device |
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