CN103401584A - Wired signal transmission system and method - Google Patents
Wired signal transmission system and method Download PDFInfo
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- CN103401584A CN103401584A CN2013103505446A CN201310350544A CN103401584A CN 103401584 A CN103401584 A CN 103401584A CN 2013103505446 A CN2013103505446 A CN 2013103505446A CN 201310350544 A CN201310350544 A CN 201310350544A CN 103401584 A CN103401584 A CN 103401584A
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Abstract
The invention discloses a wired signal transmission system and method. The system comprises a networking controller, a communication controller, a superior control center, a command computer, local sides, friendly neighbors, radar interface adaptors, a telephone set, an earphone microphone group, an exchanger, an earthing rod, a power adapter and a baseline measuring instrument. The method comprises the following steps: the networking controller connects the command computer, the radar interface adaptors, the local sides and the friendly neighbors into a whole by utilizing wired link circuits to finish the real-time transmission of the data and voice of the overall system; not only is the information resource sharing of the friendly neighbor group net and the local sides realized, but also the self-adaptive working pattern of G.SHDSL equipment is realized through the utilization of the communication controller; the transmission distance is long; the bandwidth is high; the communication is stable; the system can be used as soon as being paved; the original time-consuming and strenuous work is enabled to be simple and easy; the command efficiency of the informationalized equipment operation is fully enhanced. The system provides a better wired transmission basis condition, and is suitable for flexile networking and interworking under various indoor field conditions.
Description
Technical field
The invention belongs to domain of communication equipment, particularly a kind of wire signal transmission system and method for suitable wild environment.
Background technology
in some application circumstances, for example: field is fixed or mobile communication command post, field data collection, the environment such as field communication operations and Underground Distributed monitoring, need to realize speech, the transmitting of image and data, but due to these place remotenesses, therefore public communication network can't cover, the most area utilizes a pair of copper twisted pairs to realize simple single channel voice communication, proposition along with automated surveillance and control requirement, how to resolve the communication issue of data, become very crucial, although best communication mode is to utilize optical fiber, but optical fiber communication exists the equipment complexity, the shortcoming that cost is high.The data volume of these field work place communications is not large especially, but requirement of real-time is high, communication distance is far away especially, existing public communication network can't cover, if build the cable ethernet network Network Based of current main-stream, carry out transfer of data, have the following disadvantages: 1) need expensive cable and the equipment such as a large amount of Ethernet switch of buying and router; 2) Ethernet switch of current main-stream, router all adopt the rack form mostly, and the large weight of volume is large, is not easy to portable.Be difficult to ensure fast reserve, the instructions for use of disposing flexibly, and equipment need of work constant indoor temperature environment; 3) need the auxiliary equipment such as computer machine just can complete during networking, between each equipment, need the power line that connects, data wire, speech line more, cause duration of run long, effective utilization is poor; 4) communication mode is single, can not realize the redundancy backup of multiple channel.
Summary of the invention
Technical problem to be solved by this invention is, a kind of wire signal transmission system and method are provided, and completes the real-time Transmission of whole communication system data, speech, realizes that the information resources of friendly neighbour's networking and local side are shared.
For above-mentioned technical problem, the technical scheme that the present invention takes is, a kind of wire signal transmission system, comprise networking controller, communication controler, higher level control centre, command computer, local side, friendly neighbour, radar interface adapter, telephone set, earphone microphone group, switch, earthing rod, power supply adaptor and base line measurement instrument;
Described higher level control centre is connected with networking controller by higher level's binding post;
Described radar adapter is connected with radar;
Described networking controller utilizes wire link, command computer, local side, friendly neighbour and radar interface adapter are connected, complete the real-time Transmission of whole system data, speech, realize that friendly neighbour's networking and local side information resources are shared, fully improve IT application facilities operation command usefulness.Flexible networking and intercommunication under various indoor field conditions, provide wire transmission basic condition preferably;
Described telephone set is connected with networking controller by magnetite phone binding post;
Described earphone microphone group is connected with networking controller by audio port;
Described switch is connected with networking controller by exchange mouthful;
Earthing rod on described networking controller is connected with the earth;
Described power supply adaptor is connected with electric main or storage battery;
Described command computer is connected with power supply adaptor respectively with networking controller;
Base line measurement binding post on described networking controller is connected with the base line measurement instrument;
Described communication controler comprises G.SHDSL interface circuit and 2B+D interface circuit.
Further, between described command computer and local side, friendly neighbour, radar or base line measurement instrument, can carry out the data voice full-duplex communication by insulate line.
Further, between described command computer and local side, friendly neighbour, radar and base line measurement instrument, utilize communication controler to complete star-like networking, and set up interconnection.
The present invention also provides a kind of method of wire signal transmission system, networking controller also comprises the software systems that adopt the exploitation of UC/OSII operating system platform, processor adopting high-performance ARM7 chip, described software systems comprise: G mouth line management module, 2B+D line management module, DSP communication module and keyboard scan module; Processor is connected with G mouth line management module, and G mouth line management module is connected with G mouth bottom layer driving, in order to create and monitoring SHDSL network link, complete wired startup, link setup, training and to wired state manage, maintenance and deixis; Processor is connected with 2B+D line management module, and 2B+D line management module is connected with the 2B+D bottom layer driving, in order to the deixis of the state that completes the 2B+D circuit; Processor is connected with the DSP communication module, and the DSP communication module is connected with the DSP program module, in order to voice switching, speech be used to completing between each speech channel, leads to multicast function; Processor is connected with the keyboard scan module: in order to complete voice call, control voice switching, realize that the conversation between unit is controlled; Between each module, by data buffer zone and global variable, come interaction data and control information.
The invention has the advantages that: networking controller utilizes wire link, command computer, radar interface adapter, local side and friendly neighbour are connected, complete the real-time Transmission of whole system data, speech, realized that not only friendly neighbour's networking and local side information resources are shared, and by communication controller, realized the self adaptation mode of operation of G.SHDSL equipment, transmission range is long, bandwidth is high, communication is stable, namely paving is namely used, make the work of originally wasting time and energy become easily simple, fully improve IT application facilities operation command usefulness.Flexible networking and intercommunication under various indoor field conditions, provide wire transmission basic condition preferably.
The accompanying drawing explanation
Fig. 1 is wire signal transmission system schematic diagram.
Fig. 2 is the schematic diagram of networking controller 1.
Fig. 3 is the software architecture diagram of networking controller 1.
Reference numeral: 1, networking controller, 2, communication controler, 3, the earth, 4, the base line measurement binding post, 5, radar, 6, magnetite phone binding post, 7, audio port, 8, exchange mouthful, 9, earthing rod, 10, higher level's binding post, 11, processor, 12, G mouth line management module, 13, 2B+D line management module, 14, the DSP communication module, 15, the keyboard scan module, 16, G mouth bottom layer driving, 17, the 2B+D bottom layer driving, 18, the DSP program module, 19, electric main, 20, storage battery, 101, higher level control centre, 102, command computer, 103, local side, 104, the friendly neighbour, 105, radar interface adapter, 106, telephone set, 107, the earphone microphone group, 108, switch, 109, earthing rod, 110, power supply adaptor, 111, the base line measurement instrument, 112, DSP, 113, audio codec, 114, digital voice module, 115, adder, 116, ROM, 117, keyboard, 118, indicator light, 119, buzzer, 120, management mouthful, 201, the G.SHDSL interface circuit, 202, the 2B+D interface circuit.
Embodiment
Below in conjunction with accompanying drawing, describe embodiments of the present invention in detail: as shown in Figure 1, a kind of wire signal transmission system, comprise networking controller 1, communication controler 2, higher level control centre 101, command computer 102, local side 103, friendly neighbour 104, radar interface adapter 105, telephone set 106, earphone microphone group 107, switch 108, earthing rod 109, power supply adaptor 110 and base line measurement instrument 111.
Described higher level control centre 101 is connected with networking controller 1 by higher level's binding post 10.
Described radar adapter 105 is connected with radar 5.
Described networking controller 1 utilizes wire link, command computer 102, local side 103, friendly neighbour 104 and radar interface adapter 105 are connected, complete the real-time Transmission of whole system data, speech, realize that friendly neighbour's networking and local side information resources are shared, fully improve IT application facilities operation command usefulness.Flexible networking and intercommunication under various indoor field conditions, provide wire transmission basic condition preferably.
Described telephone set 106 is connected with networking controller 1 by magnetite phone binding post 6.
Described earphone microphone group 107 is connected with networking controller 1 by audio port 7.
Described switch 108 is connected with networking controller 1 by exchange mouth 8.
Earthing rod 9 on described networking controller 1 is connected with the earth 3.
Described power supply adaptor 110 is connected with electric main 19 or storage battery 20, and supply power mode flexibly can be provided according to the needs at scene.
Described command computer 102 is connected with power supply adaptor 110 respectively with networking controller 1.
Base line measurement binding post 4 on described networking controller 1 is connected with base line measurement instrument 111.
Described communication controler 2 comprises G.SHDSL interface circuit 201 and 2B+D interface circuit 202.
Further, between command computer 102 and local side 103, friendly neighbour 104, radar 5 or base line measurement instrument 111, can carry out the data voice full-duplex communication by insulate line.
Further, between command computer 102 and local side 103, friendly neighbour 104, radar 5 and base line measurement instrument 111, utilize communication controler 2 to complete star-like networking, and set up interconnection.
Again as shown in Figure 2, between command computer 102 and networking controller 1, by two serial interface cables, be connected, in each cable, comprise 8 full duplex RS422 asynchronous serial ports.Wherein 104,2 radars 5 of 4 friendly neighbours, baseline geometer 111, and the serial data of voice reading is combined in a cable.8 local side 103 serial data cables are combined in a cable.The a pair of hair line of command computer 102 use is to 8 local sides 103, and tap is given 8 local sides 103 in FPGA.
The data and the speech that are sent to friendly neighbour 104 complete multiple connection in FPGA, close the road signal by the networking controller 1 of G.SHDSL interface circuit 201 long-distance transmissions to corresponding friendly neighbour 104, G.SHDSL interface circuit 201Jiang He road signal at friendly neighbour 104 networking controller 1 is accepted, deliver to FPGA, complete the tap of data and speech, data are sent to that corresponding RS422 serial ports enters friendly neighbour 104 or command computer 102 completes data communication, speech exchanges through audio codec 113 and delivers to earphone microphone group 107 by DSP112, completes conversation.Networking controller 1 is similar with data and the Speech Communication principle of local side 103, radar 5 or baseline geometer 111, and difference is exactly that data voice De He road signal transmits by 2B+D interface circuit 202.
Digital voice module 114 storage digitize voices, processor 11 is communicated by letter with digital voice module 114 by serial ports, the serial data that processor 11 analyzing speech enter for, and according to the communication protocol of digital voice module 114, be packaged into phonetic order and give digital voice module 114, digital voice module 114 through adder 115 output speeches to earphone microphone group 107.
DSP112 has been mainly used in the voice switching between each speech channel, the logical multicast function of speech in connecting, and conferencing function in the company of realization.ROM116 is the bead line storage of DSP112.
Networking controller 1 completes calling by keyboard 117 operations.Link and speech channel state are by showing on indicator light 118.
During if any the speech incoming call, processor 11 can drive buzzer 119 and send the sound, and to point out, and processor 11 can the differentiation calling be from friendly neighbour 104 or command computer 102.
Serial interface cable adopts isolation method, and over-current over-voltage protection is taked in the power supply input port, and insulate line is taked the safeguard measures such as anti-lightning strike, the protection person and device security.
Level translation is by management mouthful 120 realizations.
The present invention also provides a kind of method of wire signal transmission system, networking controller 1 also comprises the software systems that adopt the exploitation of UC/OSII operating system platform, processor 11 adopts high-performance ARM7 chip, and described software systems comprise: G mouth line management module 12,2B+D line management module 13, DSP communication module 14 and keyboard scan module 15; Processor 11 is connected with G mouth line management module 12, G mouth line management module 12 is connected with G mouth bottom layer driving 16, in order to create and monitoring SHDSL network link, complete wired startup, link setup, training and to wired state manage, maintenance and deixis; Processor 11 is connected with 2B+D line management module 13, and 2B+D line management module 13 is connected with 2B+D bottom layer driving 17, in order to the deixis of the state that completes the 2B+D circuit; Processor 11 is connected with DSP communication module 14, and DSP communication module 14 is connected with DSP program module 18, in order to voice switching, speech be used to completing between each speech channel, leads to multicast function; Processor 11 is connected with keyboard scan module 15: in order to complete voice call, control voice switching, realize that the conversation between unit is controlled; Between each module, by data buffer zone and global variable, come interaction data and control information.
As shown in Figure 3, the networking controller 1 of wire signal transmission system of the present invention also comprises software systems, networking controller 1 adopts high-performance ARM7 chip as processor 11, software systems adopt the exploitation of UC/OSII operating system platform, embedded software adopts the modular structure design, according to system functional requirement software, mainly is divided into four modules: G mouth line management module 12,2B+D line management module 13, DSP communication module 14 and keyboard scan module 15.Processor 11 is connected with G mouth line management module 12, G mouth line management module 12 is connected with G mouth bottom layer driving 16, in order to create and monitoring SHDSL network link, complete wired startup, link setup, training and to wired state manage, maintenance and deixis; Establishment and monitoring SHDSL network link are performed such: the parameter that at first link is needed sets, such as master/slave, the parameters such as link rate, again the SHDSL link is sent out to starting command, if link physical connects normal, parameter arranges normally, then initiates link setup command, and completes within a certain period of time link setup.After completing link setup, Link State is monitored, if link down will be restarted link.Processor 11 is connected with 2B+D line management module 13, and 2B+D line management module 13 is connected with 2B+D bottom layer driving 17, in order to the deixis of the state that completes the 2B+D circuit; Processor 11 is connected with DSP communication module 14, and 14 of moulds of DSP communication are connected with DSP program module 18, in order to voice switching, speech be used to completing between each speech channel, leads to multicast function; Processor 11 is connected with keyboard scan module 15: in order to complete voice call, control voice switching, realize that the conversation between unit is controlled.Between each module, by data buffer zone and global variable, come interaction data and control information.
The self adaptation mode of operation of G.SHDSL equipment is achieved in that G mouth principal and subordinate self adaptation utilizes the RS485 interface communication to carry out the master slave mode agreement of G.SHDSL, after device power, be defaulted as holotype, send contact message, the other side receives that getting in touch with message is arranged to from pattern, then sends to receive the response to complete principal and subordinate's self adaptation.After completing, the G.SHDSL circuit is returned in switching, thereby realizes principal and subordinate's adaptation function of G.SHDSL.
In addition, the improved G.SHDSL equipment of the present invention can also but be not limited to carry E1, V.35, ATM, light mouth or network interface multiservice interface, can realize speech and voice data simultaneous transmitting, also can realize transmission of video.
Explanation of nouns: FPGA: field programmable gate array, Field Programmable Gate Array.2B+D: on the physical path of a pair of subscribers feeder, two-way simultaneous provides the B channel of 2 64Kbps and the D channel of a 16Kbps.B represents Bearer Channel, Bearer Channel; D represents Demand Channel, instruction (signaling) channel.
What more than enumerate is only a specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention, all should think protection scope of the present invention.
Claims (4)
1. a wire signal transmission system, is characterized in that: comprise networking controller, communication controler, higher level control centre, command computer, local side, friendly neighbour, radar interface adapter, telephone set, earphone microphone group, switch, earthing rod, power supply adaptor and base line measurement instrument;
Described higher level control centre is connected with networking controller by higher level's binding post;
Described radar adapter is connected with radar;
Described networking controller utilizes wire link, and command computer, local side, friendly neighbour and radar interface adapter are connected;
Described telephone set is connected with networking controller by magnetite phone binding post;
Described earphone microphone group is connected with networking controller by audio port;
Described switch is connected with networking controller by exchange mouthful;
Earthing rod on described networking controller is connected with the earth;
Described power supply adaptor is connected with electric main or storage battery;
Described command computer is connected with power supply adaptor respectively with networking controller;
Base line measurement binding post on described networking controller is connected with the base line measurement instrument;
Described communication controler comprises G.SHDSL interface circuit and 2B+D interface circuit.
2. wire signal transmission system as claimed in claim 1, is characterized in that: between described command computer and local side, friendly neighbour, radar or base line measurement instrument, can carry out the data voice full-duplex communication by insulate line.
3. wire signal transmission system as claimed in claim 1 or 2, is characterized in that: between described command computer and local side, friendly neighbour, radar and base line measurement instrument, utilize communication controler to complete star-like networking, and set up interconnection.
4. the method for a wire signal transmission system as claimed in claim 1, it is characterized in that: networking controller also comprises the software systems that adopt the exploitation of UC/OSII operating system platform, processor adopting high-performance ARM7 chip, described software systems comprise: G mouth line management module, 2B+D line management module, DSP communication module and keyboard scan module; Processor is connected with G mouth line management module, and G mouth line management module is connected with G mouth bottom layer driving, in order to create and monitoring SHDSL network link, complete wired startup, link setup, training and to wired state manage, maintenance and deixis; Processor is connected with 2B+D line management module, and 2B+D line management module is connected with the 2B+D bottom layer driving, in order to the deixis of the state that completes the 2B+D circuit; Processor is connected with the DSP communication module, and the DSP communication module is connected with the DSP program module, in order to voice switching, speech be used to completing between each speech channel, leads to multicast function; Processor is connected with the keyboard scan module: in order to complete voice call, control voice switching, realize that the conversation between unit is controlled; Between each module, by data buffer zone and global variable, come interaction data and control information.
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| US5867109A (en) * | 1995-06-06 | 1999-02-02 | Globalstar L.P. | Satellite repeater diversity resource management system |
| CN201388238Y (en) * | 2009-03-20 | 2010-01-20 | 沈阳空管技术开发有限公司 | Dual-network total-exchange wireless communication system |
| CN101790179A (en) * | 2010-02-12 | 2010-07-28 | 中国矿业大学(北京) | Mine mobile communication system |
| CN202872916U (en) * | 2012-11-14 | 2013-04-10 | 江西联创通信有限公司 | Colinear remote data-voice co-transmission equipment |
-
2013
- 2013-08-13 CN CN201310350544.6A patent/CN103401584B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5867109A (en) * | 1995-06-06 | 1999-02-02 | Globalstar L.P. | Satellite repeater diversity resource management system |
| CN201388238Y (en) * | 2009-03-20 | 2010-01-20 | 沈阳空管技术开发有限公司 | Dual-network total-exchange wireless communication system |
| CN101790179A (en) * | 2010-02-12 | 2010-07-28 | 中国矿业大学(北京) | Mine mobile communication system |
| CN202872916U (en) * | 2012-11-14 | 2013-04-10 | 江西联创通信有限公司 | Colinear remote data-voice co-transmission equipment |
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Address after: 330096, No. 168, Jingdong Avenue, Nanchang hi tech Industrial Development Zone, Nanchang, Jiangxi Applicant after: BEIFANG LIANCHUANG COMMUNICATION CO., LTD. Address before: 330096, No. 168, Jingdong Avenue, Nanchang hi tech Industrial Development Zone, Nanchang, Jiangxi Applicant before: Jiangxi Lianchuang Communication Co., Ltd. |
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