CN103002012A - Method for implementing remote communication of monitoring information - Google Patents
Method for implementing remote communication of monitoring information Download PDFInfo
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- CN103002012A CN103002012A CN2012104366817A CN201210436681A CN103002012A CN 103002012 A CN103002012 A CN 103002012A CN 2012104366817 A CN2012104366817 A CN 2012104366817A CN 201210436681 A CN201210436681 A CN 201210436681A CN 103002012 A CN103002012 A CN 103002012A
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Abstract
The invention discloses a method for implementing remote communication of monitoring information and aims to implement information communication between a remote control unit and a base station. The method includes the steps of firstly, SIP (session initiation protocol) registration, namely allowing the remote control unit to register for SIP communication service and also allowing the base station to register for SIP communication service; secondly, calling the remote control unit, namely calling the remote control unit by means of SIP invite and allowing the remote control unit to respond and keep a call alive; and S3, transmitting information, namely allowing the base station to set the attribute as 'recvonly' through SDP (session description protocol) media, allowing the remote control unit to transmit work condition information to a console and allowing the base station to control the remote control unit by means of DTMF (dual-tone multi-frequency) code. The remote control unit and the base station can communicate through a network system by registering for the SIP communication service. The base station sets the attribute as 'recvonly' through the SDP media, so that the remote control unit is enabled to transmit information unidirectionally. The base station controls action of the remote control unit by means of the DTMF code, and high communication reliability is achieved by the use of the DTMF code.
Description
Technical field
The present invention relates to the telecommunication equipment technical field, more particularly, particularly a kind of method that realizes the remote monitoring information communication.
Background technology
Networking operation and Long-distance Control become the direction that a lot of enterprises and scientific research institution study intensively, realize field apparatus is managed and controls, just need to carry out communication with these equipment and be connected, carry out the related data exchange, to reach the purpose of management, control and monitoring.In the same built-in field, in order to reach remote monitoring, also must be Network Based.
So, how to realize between remote control unit and the base station information, control communicate by letter the those skilled in the art's that await exploration and solution.
Summary of the invention
The technical problem to be solved in the present invention is for providing a kind of method that can realize the remote monitoring information communication.
For solving the problems of the technologies described above, the invention provides a kind of method that realizes the remote monitoring information communication, be used for the information communication between realization Long-distance Control unit and the base station, comprise step:
S1, SIP registration, Long-distance Control unit carries out sip communication service registration, and sip communication service registration is carried out in the base station simultaneously;
S2, call remote control unit, the base station is by sip invite method call remote control unit, and Long-distance Control unit is replied, and keeps talking state;
S3, information send, and it is recvonly that attribute is set by the sdp media in the base station, and Long-distance Control unit sends work information to control desk, and move with dtmf code method control Long-distance Control unit the base station.
In the present invention, described Long-distance Control unit carries out sip communication service registration by mobile radio communication, professional satellite communications net or Television Broadcasting Network.
In the present invention, described Long-distance Control unit is provided with the GPS locating module, and described base station positions described Long-distance Control unit by the GPS locating module.
In the present invention, described Long-distance Control unit is unmanned vehicle, is provided be used to the camera that carries out video record in the described Long-distance Control unit.
The invention provides a kind of method that realizes the remote monitoring information communication, be used for the information communication between realization Long-distance Control unit and the base station, comprise step: S1, SIP registration, Long-distance Control unit carries out sip communication service registration, and sip communication service registration is carried out in the base station simultaneously; S2, call remote control unit, the base station is by sip invite method call remote control unit, and Long-distance Control unit is replied, and keeps talking state; S3, information send, and it is recvonly that attribute is set by the sdp media in the base station, and Long-distance Control unit sends work information to control desk, and move with dtmf code method control Long-distance Control unit the base station.
Long-distance Control unit carries out sip communication service registration with the base station, and its application network system is communicated.It is recvonly that attribute is set by the sdp media in the base station, then so that the unidirectional information output of Long-distance Control unit.Move with dtmf code method control Long-distance Control unit the base station, adopts the dtmf code to have higher communication reliability.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiments of the invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to the accompanying drawing that provides other accompanying drawing.
Fig. 1 is the flow chart that can realize the method for remote monitoring information communication in an embodiment of the present invention.
Embodiment
Core of the present invention is for providing a kind of method that can realize the remote monitoring information communication.
In order to make those skilled in the art understand better technical scheme of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 1 is the flow chart that can realize the method for remote monitoring information communication in an embodiment of the present invention.
The invention provides a kind of method that realizes the remote monitoring information communication, be used for the information communication between realization Long-distance Control unit and the base station, comprise step: S1, SIP registration, Long-distance Control unit carries out sip communication service registration, and sip communication service registration is carried out in the base station simultaneously; S2, call remote control unit, the base station is by sip invite method call remote control unit, and Long-distance Control unit is replied, and keeps talking state; S3, information send, and it is recvonly that attribute is set by the sdp media in the base station, and Long-distance Control unit sends work information to control desk, and move with dtmf code method control Long-distance Control unit the base station.
Long-distance Control unit carries out sip communication service registration with the base station, and its application network system is communicated.It is recvonly that attribute is set by the sdp media in the base station, then so that the unidirectional information output of Long-distance Control unit.Move with dtmf code method control Long-distance Control unit the base station, adopts the dtmf code to have higher communication reliability.
SIP (Session Initiation Protocol) is the signaling control protocol of an application layer.Be used for creating, revising and discharge one or more participants' session.These sessions can be Internet multimedia conferencing, IP phone or multimedia delivery.The participant of session can communicate by multicast (multicast), netted clean culture (unicast) or both mixtures.Use SIP, the service provider can choose at random standard package.No matter media content and participant quantity, the user can search and contact the other side.SIP holds consultation to session, so that all participants can both be reached an agreement and make amendment with regard to the session function.It in addition can add, deletion or transferring user.
SIP it neither Session Description Protocol does not provide session control function yet.For loading condition and the characteristics of describing message content, SIP uses the Session Description Protocol (SDP) of Internet to describe the characteristics of terminal equipment.SIP self does not provide service quality (QoS) yet, RSVP (RSVP) interoperability of it and responsible voice quality.It also cooperates with several other agreements, comprises the Lightweight Directory Access Protocol (LDAP) of being responsible for the location, the remote authentication dial-in customer service (RADIUS) of being responsible for authentication and a plurality of agreements such as RTP of responsible real-time Transmission.
The important feature of SIP is the type that it does not define the session that will set up, and definition managing conversation how only.This flexibility has been arranged, just meaned that also SIP can be used for numerous application and service, comprises interactive entertainment, music and video request program and voice, video and Web meeting.Sip message is based on text, thereby is easy to read and debug.The programming of new service is simpler, and is more directly perceived for the designer.SIP reuses mime type and describes as E-mail client, therefore application program associated with the session can start automatically.SIP reuses Internet service and the agreement of several existing comparative maturities, such as DNS, RTP, RSVP etc.Needn't introduce again new service SIP infrastructure is provided support, because a lot of parts of this infrastructure have put in place or be ready-made available.
SIP is independent of transport layer, and therefore, the bottom transmission can be the IP that adopts ATM.SIP user datagram protocol (UDP) and transmission control protocol (TCP), will be independent of the underlying basis facility user flexibility couple together.SIP supports the adjustment of many functions of the equipments and negotiation.If the service or session initiation video and voice, then still can also can use other functions of the equipments with voice transfer to the equipment of not supporting video, such as one-way video flow transmission function.
SDP information is text message, adopts ISO 10646 character set in the UTF-8 coding.
DTMF (Dual Tone Multi Frequency), dual-tone multifrequency is comprised of high frequency group and low frequency group, and the height frequency group respectively comprises 4 frequencies.A high-frequency signal and a low frequency signal stack form a composite signal, represent a numeral.Dtmf signal has 16 codings, but utilizes the corresponding intercom of dtmf signaling selective call, and a kind of subscriber signaling in the telephone system between telephone set and the switch is generally used for sending called number.
Before using touch-tone signal, transmit called number with a series of interrupting pulse in the telephone system, be called pulse dialing.Pulse dialing needs the operator in the telecommunication bureau to finish by hand trunk connection.Touch-tone signal is the Bell Laboratory invention, its objective is in order automatically to finish trunk call.
Particularly, Long-distance Control unit carries out sip communication service registration by mobile radio communication, professional satellite communications net or Television Broadcasting Network.
Particularly, Long-distance Control unit is provided with the GPS locating module, and the base station positions Long-distance Control unit by the GPS locating module.
Particularly, Long-distance Control unit is unmanned vehicle, is provided with in the Long-distance Control unit be used to the camera that carries out video record.
The new generation telephony communication technology, be that VoIP is the abbreviation of Voice over Internet Protocol, refer to will the simulation sound signal after overcompression and package, form with data packet is carried out the transmission of speech sound signal at the environment of IP network, the meaning of popular namely Internet Protocol telephone, the networking telephone or abbreviation IP phone.Voip technology is a hot issue in present internet, applications field, becomes one of Global Internet in 2004 and ecommerce ten main trend (eMarketer).
The basic principle of VoIP is: the compression algorithm by voice is compressed processing to encoded speech data, then these speech datas are packed by the TCP/IP standard, through IP network packet is delivered to reception ground, again these VoPs are stringed together, through after the decompression processing, revert to original voice signal, thereby reach the purpose that is transmitted voice by the Internet.The core of IP phone and key equipment are IP gateway, and it is mapped as corresponding regional gateway ip address to the each department area code.These information leave in the database, and the data process software that continues will be finished the functions such as call treatment, digital speech packing, routing management.
When the user dialed toll telephone, gateway was determined the IP address of respective gateway according to the area code database data, and with in this IP address adding IP packet, select simultaneously best route, to reduce propagation delay time, the IP packet arrives the gateway of destination through Internet.Area in that some Internet not yet extend to or temporarily do not set up gateway can arrange route, is transferred by long-distance network by nearest gateway, realizes communication service.
SIP is an application controls (signaling) agreement that is put forward by IETF.As what name implied--be used for initiation session.The Multimedia session process that it can be used to create, revise and a plurality of participants that terminate participate in.The member who participates in session can communicate by the form of multicast mode, clean culture networking or both combinations.
Arranged among the SIP dividing of client-server.Client computer refers to application program from request to server that connect with server in order to send.Contain client computer among user agent (User Agent) and the agency (Proxy).Server is the application program that service and return response are provided for the request of sending to client computer.
The present invention for realizing the technical scheme that goal of the invention adopts is: finish the communication means of Long-distance Control unmanned vehicle with the telephone communication technology, and by using satellite, 3G, and mobile communications network does the basis, employing GPS technology is to the unmanned vehicle motion positions.Finish the management of the Driving control of remote radio equipment with the sip signaling, and the collection of information passback.Thereby collect effectively valuable detection information.
The concrete steps of the method are as follows:
1. increase communication control panel at unmanned vehicle, can use mobile radio communication or professional satellite communications net, also can use Television Broadcasting Network, can communicate by letter with tele-control system the optional position again to guarantee control board.
2. the unmanned vehicle communication control panel increases the GPS function, constantly provides accurately positional information to guarantee aircraft.
3. the unmanned vehicle communication control panel increases the real-time photography function, to guarantee the flight control of aircraft in flight course.
4. communication board at first by the sip communication server of wireless network login to special use, is realized registration.Remote console also arrives the sip communication server by network registry.
5. remote console is by sip invite call controller, and call controller is replied, and keeps remote console and aircraft to enter talking state.Control desk is recvonly by the sdp medium property, and aircraft is unidirectional to send video image information to control desk, with control flight.
6. remote console takes off with dtmf code method control unmanned vehicle by various operation push-buttons, stops, and forward, backward, turns to, and accelerates, and the flight of aircraft is finished in a series of actions such as deceleration.
7. the remote console video of returning by the aircraft collection instructs the flight of aircraft.
8. aircraft is beamed back remote console by Media Stream with the data message that will gather.
9. aircraft returns, and lands end of conversation.The control desk interrupt communication.
The basic thought of this method is: use up-to-date communication network technology, finish the Control on Communication to remote equipment.
The invention has the beneficial effects as follows: solve the aircraft telecommunication, control problem, to communication reliability, stability increases.Having solved the remote manual control desk can not Long-distance Control and the shortcoming of supervision.
Claims (4)
1. a method that realizes the remote monitoring information communication is used for the information communication between realization Long-distance Control unit and the base station, it is characterized in that, comprising:
Step 1, Long-distance Control unit carry out sip communication service registration, and sip communication service registration is carried out in the base station simultaneously;
Step 2, base station are by sip invite method call remote control unit, and Long-distance Control unit is replied, and keeps talking state;
It is recvonly that attribute is set by the sdp media in step 3, base station, and Long-distance Control unit sends work information to control desk, and move with dtmf code method control Long-distance Control unit the base station.
2. the method for realization remote monitoring information communication according to claim 1 is characterized in that, described Long-distance Control unit carries out sip communication service registration by mobile radio communication, professional satellite communications net or Television Broadcasting Network.
3. the method for realization remote monitoring information communication according to claim 1 is characterized in that, described Long-distance Control unit is provided with the GPS locating module, and described base station positions described Long-distance Control unit by the GPS locating module.
4. according to claim 1 to the method for 3 each described realization remote monitoring information communications, it is characterized in that described Long-distance Control unit is unmanned vehicle, be provided be used to the camera that carries out video record in the described Long-distance Control unit.
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| CN2012104366817A CN103002012A (en) | 2012-11-06 | 2012-11-06 | Method for implementing remote communication of monitoring information |
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| CN2012104366817A CN103002012A (en) | 2012-11-06 | 2012-11-06 | Method for implementing remote communication of monitoring information |
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| CN103002012A true CN103002012A (en) | 2013-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106658432A (en) * | 2016-12-01 | 2017-05-10 | 湖南科大天河通信技术有限公司 | Intercom method in low-frequency LTE communication system, terminal, and base station |
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Application publication date: 20130327 |