CN2530398Y

CN2530398Y - Integrated demand assignment network pipe and cut-in device of CDMA/multichannel single carrier channel

Info

Publication number: CN2530398Y
Application number: CN 02207672
Authority: CN
Inventors: 孙晨华; 茹垲; 陆洲; 丁志军; 张永池; 尤静; 许星辰; 陈燕; 唐永林; 魏振宁
Original assignee: ELECTRONIC NO 54 INST MINISTRY
Current assignee: ELECTRONIC NO 54 INST MINISTRY
Priority date: 2002-03-15
Filing date: 2002-03-15
Publication date: 2003-01-08
Anticipated expiration: 2012-03-15

Abstract

The utility mode discloses an integrated demand assignment network management and access device of CDMA/multichannel single carrier channel, which relates to the network management and access device of the demand assignment system in the satellite communication field, and consists of a DAMA main assistant controller, an MCPC access and modem, a CDMA access and modem, a communication server, a power supply and other components. The DMAM main assistant controller implements the dynamic network buildup of the DAMA system, and the MCPC access and modem as well as the CDMA access and modem perform the data signal communication transmission. Moreover, apart from high network building stability and reliability, the utility model also has characteristics of fast network building speed and perfect network building flexibility, etc., thereby being in particular applicable to the network management center device of the satellite communication network of the DAMA system and the access device of the CDMA and MCPC satellite channel.

Description

Code division multiple access/MF Multi-Channel Per Carrier channel comprehensively distribute according to need webmaster and access device

Technical field

The utility model relates to a kind of code division multiple access in the satellite communication field/MF Multi-Channel Per Carrier channel distribution according to need webmaster and access device, is suitable for based on the network management device of satellite communication network of distribution according to need (hereinafter to be referred as DAMA) mechanism and is applicable to the access device of making code division multiple access (hereinafter to be referred as CDMA) satellite channel and MF Multi-Channel Per Carrier (hereinafter to be referred as MCPC) satellite channel.

Background technology

Though satellite communication network Network Management Equipment, and the CDMA satellite channel and the MCPC satellite channel access device of single product of single product have been arranged on market at present, the satellite channel webmaster of single product and access device can not be convenient, flexible the composition network, particularly can't be applied in and form star network or mesh network in the satellite channel of DAMA mechanism and the access device, influence the communication capacity of satellite communication networking.

Summary of the invention

The purpose of this utility model is to avoid the weak point in the above-mentioned background technology and a kind of code division multiple access/MF Multi-Channel Per Carrier channel comprehensively distribute according to need webmaster and access device that can flexible networking in the satellite communication of DAMA mechanism be provided, and it is fast that the utility model also has networking speed, networking flexibility is good, characteristics such as networking stability and reliability height.

The purpose of this utility model is achieved in that it is made up of distribution according to need main controller 1, the auxilliary control of distribution according to need

device

2,3,4, MF Multi-Channel Per

Carrier access device

5,6, code division multiple

access access device

7,8, MF Multi-Channel Per Carrier modulator-

demodulator

9,10, CDMA modems 11 to 14, the communication server 15, power supply 16.Wherein external switch goes out inbound port A1 to A4 respectively by data/address bus and MF Multi-Channel Per

Carrier access device

5,6, code division multiple

access access device

7,8 each inbound port 1 connect, distribution according to need main controller 1 discrepancy port one is connected by data/address bus and the communication server 15 discrepancy port ones, the communication server 15 goes out inbound port 2 and is connected by data/address bus and CDMA modems 11 discrepancy port ones, going out inbound port 3 is connected by data/address bus and the auxilliary control of distribution according to need device 2 discrepancy port ones, it is that code division multiple access access device 7 goes out inbound port 2 connections by data/address bus that the auxilliary control of distribution according to need device 2 goes out inbound port 2, going out inbound port 3 goes out inbound port 2 with MF Multi-Channel Per Carrier modulator-demodulator 9 and CDMA modems 13 respectively and connects, MF Multi-Channel Per Carrier access device 5 goes out inbound port 2 and is connected by data/address bus and MF Multi-Channel Per Carrier modulator-demodulator 9 discrepancy port ones, code division multiple access access device 7 goes out inbound port 3 and is connected by data/address bus and CDMA modems 13 discrepancy port ones, the auxilliary control of distribution according to need device 3 discrepancy port ones, 2 respectively by data/address bus and CDMA modems 12 discrepancy port ones, 2 connect, going out inbound port 3 is connected with CDMA modems 14 discrepancy port ones, going out inbound port 4 goes out inbound port 2 by data/address bus and code division multiple access access device 8 and is connected, code division multiple access access device 8 goes out inbound port 3 and goes out inbound port 2 by data/address bus and CDMA modems 14 and be connected, the auxilliary control of distribution according to need device 4 discrepancy port ones go out inbound port 2 with MF Multi-Channel Per Carrier modulator-demodulator 10 and are connected, MF Multi-Channel Per Carrier access device 6 goes out inbound port 2 and is connected by data/address bus and MF Multi-Channel Per Carrier modulator-demodulator 10 discrepancy port ones, CDMA modems 11 to 14 and MF Multi-Channel Per Carrier modulator-

demodulator

9,10 respectively go out inbound port 3 is connected in parallel, and power supply 16 goes out the corresponding power end with each parts of end+V voltage end and connects.

The purpose of this utility model can also realize by following measure:

The utility model MF Multi-Channel Per

Carrier access device

5 or 6 is by interface convertor 17 to 20, buffer 21,22, multiplexer 23, coupler 24, clock processor 25 is formed, wherein external switch goes out inbound port A1 or A2 goes out to hold 1 to 4 pin to go into to hold 1 to 4 pin to be connected with interface convertor 17 respectively, going into end 5 to 8 pin goes out to hold 5 to 8 pin to be connected with interface convertor 20 respectively, interface convertor 17 goes out end 5 pin and goes into to hold 1 pin to be connected with multiplexer 23, go out end 6 pin serial connection buffer 21 backs and go into to hold 2 pin to be connected with multiplexer 23, multiplexer 23 goes out

end

3,4 pin are connected in series interface convertor 18 backs respectively and go into end 1 with MF Multi-Channel Per Carrier modulator-

demodulator

9 or 10,2 pin connect; MF Multi-Channel Per Carrier modulator-

demodulator

9 or 10 goes out goes into to hold 1,2 pin to be connected with coupler 24 after

end

3,4 pin are connected in series interface convertor 19 respectively, coupler 24 goes out to hold behind the 3 pin serial connection buffer 22 and interface convertor 20 goes into to hold 1 pin to be connected, to go out to hold 4,5,6 pin to go into to hold 2,3,4 pin to be connected with interface convertor 20 respectively, and clock processor 25 goes out end 1 to 4 pin and respectively goes into to hold 9 pin to be connected with buffer 21,22 and multiplexer 23, coupler 24 respectively; Interface convertor 17 to 20, buffer 21,22 and multiplexer 23, coupler 24 and clock processor 25 are respectively gone into end 10 pin and are gone out end+V voltage end with power supply 16 respectively and connect, respectively go into end 11 pin to hold with ground and connect.

The utility model code division multiple

access access device

7 or 8 is by interface convertor 26,29, CPC sign indicating number transceiver 27, central processing unit 28 is formed, wherein external switch goes out inbound port A3 or A4 discrepancy end 1 to 8 pin is connected by 8 single data buses and interface convertor 26 discrepancy ends 1 to 8 pin respectively, interface convertor 26 is come in and gone out end 9 to 16 pin respectively by the 8 single data buses CPC sign indicating number transceiver 27 that is connected in series, central processing unit 28, come in and go out with

CDMA modems

13 or 14 and hold 1 to 8 pin to be connected in interface convertor 29 backs, interface convertor 26,29, CPC sign indicating number transceiver 27, central processing unit 28 is respectively gone into end 25 pin and is gone out end+V voltage end with power supply 16 and connect, respectively go into end 26 pin with hold and connect.

The utility model is compared background technology following advantage:

1, the utility model adopts master control and auxilliary control DAMA circuit 1 to 4, and being implemented in the satellite communication of DAMA mechanism can flexible networking, and can form communication networks such as star network or mesh network fast.

2, each parts of the utility model adopt extensive programmable integrated circuit element manufacturing, so each communication function energy independent development, be easy to dilatation, and volume are little, networking good reliability, stability and reliability height.

Description of drawings:

Fig. 1 is the functional-block diagram of the utility model embodiment.

Fig. 2 is the electrical schematic diagram of the novel MCPC access device 5 of this reality or 6.

Fig. 3 is the electrical schematic diagram of the utility model

CDMA access device

7 or 8.

Embodiment

With reference to Fig. 1, Fig. 2, Fig. 3, the utility model is made up of DAMA main controller 1, the auxilliary control of DAMA device 2 to 4,

MCPC access device

5,6,

CDMA access device

7,8, MCPC modulator-

demodulator

9,10, cdma modem 11 to 14, the communication server 15, power supply 16.Press Fig. 1 block diagram connection line, external switch goes out inbound port A1 to A4 and is connected with

MCPC access device

5,6,

CDMA access device

7,8 each inbound port 1 by data/address bus respectively.Each functional interface of MCPC modulator-

demodulator

9,10 is finished in 5,6 effects of MCPC access device, wherein one road 128KbPS group road synchrodata of switch input and the asynchronous data of two-way 2.4KbPS are sent to MCPC modulator-

demodulator

9,10 by the synchrodata that multiplexer 23 is multiplexed to 144KbPS, while is imported external switch to the asynchronous data that the multiple connection data-signal branch from MCPC modulator-

demodulator

9,10 is connected into one road 128KbPS synchrodata and two-way 2.4KbPS, and it is communication objective to finish data-signal.Fig. 2 is

MCPC access device

5 or 6 electrical schematic diagrams, and embodiment presses Fig. 2 connection line, and it is made up of interface convertor 17 to 20, buffer 21,22, multiplexer 23, coupler 24, clock processor 25.Interface convertor 17 effects are the two-way RS-232 level of going into the input of

end

3,4 pin and go into to hold the D interface level conversion of 1,2 pin input to become Transistor-Transistor Logic level.Interface convertor 18 effects convert Transistor-Transistor Logic level to the RS-422 level by going out the output of

end

3,4 pin.Interface convertor 19 effects become the RS-422 level conversion of going into the input of

end

1,2 pin Transistor-Transistor Logic level by going out the output of

end

3,4 pin.Interface convertor 20 effects are that Transistor-Transistor Logic level is converted to two-way RS-233 level by going out the output of

end

7,8 pin, convert the D interface level simultaneously to by going out the output of

end

5,6 pin.Interface convertor 17 to 20 embodiment adopt commercially available general RS-232 interface converter ic to make.Buffer 21,22 effects are that the data-signal of importing is carried out buffer memory, eliminate shake, and embodiment adopts commercially available IDTT205 type buffering production of integrated circuits.Multiplexer 23 effect be one tunnel group road synchrodata and two-way asynchronous data signal be multiplexed to one the tunnel be fit to that MCPC modulator-

demodulator

9,10 transmits close the road signal of communication.Coupler 24 effect is closed the road signal of communication to 9,10 outputs of MCPC modulator-demodulator, divides to be connected into one tunnel group road synchrodata and two-way asynchronous data signal, by the transmission of the external switch realization of interface convertor 20 inputs data traffic signals.Embodiment multiplexer 23, coupler 24 all adopt commercially available a slice EPLD7128 type programmable integrated circuit to make.Clock processor 25 effect provides the required clock signal of multiplexer-

demultiplexer

23,24 and buffer 21,22, adopts commercially available general integrated oscillator chip manufacturing.

The utility model code division multiple

access access device

7 or 8 effects are each functional interfaces of

finishing cdma modem

13,14, and reception and the transmission of finishing circulation displacement sign indicating number (CPC sign indicating number).Fig. 2 is the embodiment electrical schematic diagram of the utility model

CDMA access device

7 or 8, and presses Fig. 2 connection line, and it is made up of interface convertor 26,29, CPC sign indicating number transceiver 27, central processing unit 28.Interface convertor 26 effects are that the RS-422 level conversion of external switch A 3 or the input of A4 port is become Transistor-Transistor Logic level, go out end 9 to 16 pin input CPC sign indicating number transceiver 27 by it, or the Transistor-Transistor Logic level that CPC sign indicating number transceiver 27 goes out the input of end 1 to 8 pin converted to the RS-422 level, export external switch to by going out end 1 to 8.Interface convertor 29 effect converts Transistor-Transistor Logic level to the RS-422 level by going out end 9 to 16 pin

input cdma modem

13 or 14, or becomes Transistor-Transistor Logic level to export central processing unit 28 to and go into end 9 to 16 pin by going out end 1 to 8 by the RS-422 level conversion of going into the input of end 9 to 16 pin.Embodiment interface convertor 26,29 adopts commercially available general RS-232 type integrated interface circuit to make.27 effects of CPC sign indicating number transceiver are reception and transmissions of finishing external switch circulation displacement sign indicating number, CPC code conversion from the switch input is become the data signal format that to carry out data processing of central processing unit 28 approvals, perhaps the data-signal that central processing unit 28 is sent is converted to circulation displacement sign indicating number form and exports external switch to, and embodiment adopts commercially available a slice EPF10K type programmable integrated circuit element manufacturing.Central processing unit 28 effects are to carry out data processing, and the circulation displacement code data that receives is carried out treatment conversion, or the data-signal of

cdma modem

13,14 inputs is carried out the program control that data processing is finished data-signal.The TMS320C50 type dsp chip that embodiment central processing unit 28 adopts U.S. T1 company to produce is made.

1 effect of the utility model DAMA main controller is that the distribution according to need of Internet resources is carried out in the control of finishing satellite communication network, exports the communication server 15 to.The communication server 15 effects are as the interface circuit between DAMA main controller 1 and the CDMA CDMA modems 11, realize the reception and the transmission of DAMA main controller 1 communication information.2,3,4 effects of the auxilliary control of DAMA device are to cooperate DAMA main controller 1 to finish the distribution according to need of Internet resources, monitor each parts operating state in real time.MCPC modulator-

demodulator

9,10 effect is that the digital baseband signal that

MCPC access device

5,6 goes out inbound port 2 inputs is modulated into the single-carrier signal that centre frequency is 70MHZ, and a single-carrier signal that receives is demodulated to digital baseband signal, between two

MCPC access devices

5,6, set up a two-way intermediate-frequency channel.Cdma modem 11 to 14 effect is the intermediate-freuqncy signal that the digital baseband signal that

CDMA access device

7,8 goes out inbound port 3 inputs is modulated into the 8MHZ bandwidth, and the 8MHZ intermediate-freuqncy signal that receives is demodulated to digital baseband signal, between two

CDMA access devices

7,8, set up a two-way intermediate-frequency channel.Embodiment is for providing multichannel transmission, and

cdma modem

13,14 is made up of 1 to 16 road modulation-demodulation circuits.The auxilliary control of embodiment DAMA main controller 1,

DAMA device

2,3,4, cdma modem 11 to 14, the communication server 15 all adopt the integrated device of the related circuit in the satellite communication earth station equipment that Ministry of Information Industry's electronics the 54th Research Institute produces to make.The SDM300 modulator-demodulator that MCPC modulator-

demodulator

9,10 adopts U.S. EFDATA company to produce is made.Power supply 16 effects provide parts operating voltages at different levels, its output+V voltage to be+5V, and embodiment adopts commercially available general ic power to make.

The utility model operation principle is as follows: the effect of this device is a dynamic assignment of finishing the CDMA symbol resources, after each parts powers up, detect each cdma modem 11 to 14 online situation by the auxilliary control of

DAMA device

2,3,4, and apply for that online channel networks, after DAMA main controller 1 was received the application that networks, control promptly allowed or forbids that this channel networks.After each CDMA Channel networks,

CDMA access device

7,8 begin to detect from external switch A 3, the CPC code signaling of A4 port terminal input, if detect off-hook, the number signaling, then notify the auxilliary control of DAMA device 2 to 4, pass through cdma modem 11 by the auxilliary control of DAMA device 2 to 4,12 to DAMA main controller 1 transmission call request, DAMA main controller 1 goes out a pair of address code according to certain DAMA algorithm computation, send back to the auxilliary control of the DAMA device 2 to 4 of calling station and called station, the auxilliary control of DAMA device 2 to 4 is according to the address code that is assigned to, revise the transmission address code and the receiver address sign indicating number of this road cdma modem on the one hand, notify CDMA access device 7 on the other hand, 8 prepare to carry out cdma modem 13, the continuity test of 14 links, if continuity test success, then external switch A 3, the terminal phone of A4 port and

cdma modem

13,14 is direct-connected, set up a communication link, and the auxilliary control of notice DAMA device 2 to 4.When

CDMA access device

7,8 detects on-hook signaling, cut off being connected of

cdma modem

13,14 and external exchange termination phone, notify the auxilliary control of DAMA device 2 to 4 simultaneously, send the end of calling report by the auxilliary control of DAMA device 2 to 4 to DAMA main controller 1, discharge a pair of address code that this communication takies, finish whole voice communication process.When external switch A 1, A2 port input data signal is to

MCPC access device

5,6 o'clock,

MCPC access device

5,1 road 128KbPS group road synchrodata of 6 inputs and the asynchronous data signal of 2 road 2.4KbPS are multiplexed to the synchronized data signal input MCPC modulator-demodulator 9 of 144KbPS, 10 modulate and are sent to receiving terminal, or from the multiplexed signal of receiving terminal through MCPC modulator-demodulator 9, input MCPC access device 5 after 10 demodulation, the asynchronous data that was connected into 1 road 128KbPS group road synchrodata and two-way 2.4KbPS in 6 minutes inputs to external switch A 1, the A2 port is finished the communication process of whole data.

The utility model mounting structure is as follows: the utility model Fig. 1, Fig. 2, all components and parts among Fig. 3 be installed in size long * wide be in 400 * 320 millimeters the printed board, the programmable integrated circuit device adopts surface mounting technology to install, make volume little, the assembly reliability height, then printed board being installed in length * wide * height is in 420 * 340 * 100 millimeters the cabinet, on the front panel of cabinet, install and external switch connection port A1, A2, A3, the cable socket of A4, and work supervisory pilot light, on the rear board of cabinet, power input socket is installed, the assembly cost utility model.

Claims

1, a kind of by distribution according to need main controller (1), the auxilliary control of distribution according to need device (2), (3), (4), MF Multi-Channel Per Carrier modulator-demodulator (9), (10), code division multiple access modulation demodulator (11) is to (14), the communication server (15), code division multiple access/MF Multi-Channel Per Carrier channel that power supply (16) is formed comprehensively distribute according to need webmaster and access device, it is characterized in that MF Multi-Channel Per Carrier access device (5) in addition, (6), code division multiple access access device (7), (8) form, wherein external switch goes out inbound port A1 to A4 respectively by data/address bus and MF Multi-Channel Per Carrier access device (5), (6), code division multiple access access device (7), (8) each inbound port 1 connects, distribution according to need main controller (1) discrepancy port one is connected by data/address bus and the communication server (15) discrepancy port one, the communication server (15) goes out inbound port 2 and is connected by data/address bus and CDMA modems (11) discrepancy port one, going out inbound port 3 is connected by data/address bus and distribution according to need auxilliary control device (2) discrepancy port one, it is that code division multiple access access device (7) goes out inbound port 2 connections by data/address bus that distribution according to need auxilliary control device (2) goes out inbound port 2, going out inbound port 3 goes out inbound port 2 with MF Multi-Channel Per Carrier modulator-demodulator (9) and CDMA modems (13) respectively and connects, MF Multi-Channel Per Carrier access device (5) goes out inbound port 2 and is connected by data/address bus and MF Multi-Channel Per Carrier modulator-demodulator (9) discrepancy port one, code division multiple access access device (7) goes out inbound port 3 and is connected by data/address bus and CDMA modems (13) discrepancy port one, distribution according to need auxilliary control device (3) discrepancy port one, 2 respectively by data/address bus and CDMA modems (12) discrepancy port one, 2 connect, going out inbound port 3 is connected with CDMA modems (14) discrepancy port one, going out inbound port 4 goes out inbound port 2 by data/address bus with code division multiple access access device (8) and is connected, code division multiple access access device (8) goes out inbound port 3 and goes out inbound port 2 by data/address bus with CDMA modems (14) and be connected, distribution according to need auxilliary control device (4) discrepancy port one goes out inbound port 2 with MF Multi-Channel Per Carrier modulator-demodulator (10) and is connected, MF Multi-Channel Per Carrier access device (6) goes out inbound port 2 and is connected by data/address bus and MF Multi-Channel Per Carrier modulator-demodulator (10) discrepancy port one, CDMA modems (11) to (14) and MF Multi-Channel Per Carrier modulator-demodulator (9), (10) respectively go out inbound port 3 and be connected in parallel, power supply (16) goes out the corresponding power end with each parts of end+V voltage end and connects.

2, code division multiple access according to claim 1/MF Multi-Channel Per Carrier channel comprehensively distribute according to need webmaster and access device, it is characterized in that MF Multi-Channel Per Carrier access device (5) or (6) by interface convertor (17) to (20), buffer (21), (22), multiplexer (23), coupler (24), clock processor (25) is formed, wherein external switch goes out inbound port A1 or A2 goes out to hold 1 to 4 pin to go into to hold 1 to 4 pin to be connected with interface convertor (17) respectively, going into end 5 to 8 pin goes out to hold 5 to 8 pin to be connected with interface convertor (20) respectively, interface convertor (17) goes out end 5 pin and goes into to hold 1 pin to be connected with multiplexer (23), go out end 6 pin serial connection buffers (21) back and go into to hold 2 pin to be connected with multiplexer (23), multiplexer (23) goes out end 3,4 pin are connected in series interface convertor (18) back respectively and go into end 1 with MF Multi-Channel Per Carrier modulator-demodulator (9) or (10), 2 pin connect; MF Multi-Channel Per Carrier modulator-demodulator (9) or (10) go out goes into to hold 1,2 pin to be connected with coupler (24) after end 3,4 pin are connected in series interface convertor (19) respectively, coupler (24) goes out to hold behind the 3 pin serial connection buffers (22) and interface convertor (20) goes into to hold 1 pin to be connected, to go out to hold 4,5,6 pin to go into to hold 2,3,4 pin to be connected with interface convertor (20) respectively, and clock processor (25) goes out end 1 to 4 pin and respectively goes into to hold 9 pin to be connected with buffer (21), (22) and multiplexer (23), coupler (24) respectively; Interface convertor (17) to (20), buffer (21), (22) and multiplexer (23), coupler (24) and clock processor (25) are respectively gone into end 10 pin and are gone out end+V voltage end with power supply (16) respectively and connect, respectively go into end 11 pin to hold with ground and connect.

3, code division multiple access according to claim 1 and 2/MF Multi-Channel Per Carrier channel comprehensively distribute according to need webmaster and access device, it is characterized in that code division multiple access access device (7) or (8) are by interface convertor (26), (29), CPC sign indicating number transceiver (27), central processing unit (28) is formed, wherein external switch goes out inbound port A3 or A4 discrepancy end 1 to 8 pin is connected by 8 single data buses and interface convertor (26) discrepancy end 1 to 8 pin respectively, interface convertor (26) is come in and gone out end 9 to 16 pin respectively by the 8 single data buses CPC sign indicating number transceiver (27) that is connected in series, central processing unit (28), come in and go out with CDMA modems (13) or (14) and hold 1 to 8 pin to be connected in interface convertor (29) back, interface convertor (26), (29), CPC sign indicating number transceiver (27), central processing unit (28) is respectively gone into end 25 pin and is gone out end+V voltage end with power supply (16) and connect, respectively go into end 26 pin with hold and connect.