CN104320275A - Microwave long distance extension system - Google Patents
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Abstract
The invention discloses a microwave long distance extension system. The microwave long distance extension system has long distance management and maintenance functions, can simplify tedious management and maintenance tasks, reduces running costs of a device, has the advantages of being high in retransmission speed, reliable in data and convenient to migrate, and achieves positive promotion functions for improving service quality of a microwave communication network, enhancing competitiveness of the microwave communication network, and further extending a coverage range of the microwave communication network.
Description
Technical field
The present invention relates to field of microwave communication, particularly relate to a kind of microwave far-distance stretch system.
Background technology
Microwave communication be a kind of economical, flexibly, wireless transmission method easily, be applicable to various message capacity, communication distance and communication environment.Microwave communication utilizes microwave channel transmission of digital signals, and its feature is as follows:
(1) communication frequency adopts microwave frequency band, and not by the impact of weather, industrial interference and sunspot change, reliability is high, and antenna size is little;
(2) multiple signals can be transmitted simultaneously, increase microwave telecommunication devices frequency band, improve message capacity;
(3) install fast, flexibly, conveniently moving, use simple, application is constantly expanded.
Because local area network (LAN) uses broadcast mechanism, there is the race problem of communication media layer, although adopt 100,000,000 adaptive transmission bandwidths, different applied environments can be met, there is many difficulties at serial arrowband (such as 64kbit/s) upper transmitting grouped data bag.How the packets of information de-redundancy that 100,000,000 bandwidth are transmitted is transmitted to serial arrowband, and the response requirement of local area network (LAN) can be met; How the information between transmission equipment is carried out by local area network (LAN), serial line interface, microwave communications link, carry out the communication between equipment, and mutual between finishing equipment, be the obstacle of equipment control development the Internet realized on serial transmission line, be also that microwave system extends the major obstacle covered always.
Some technical problems of transmitting grouped data bag on serial arrowband, cause present many microwave transport equipments not support telemanagement and maintenance, hinder the development of self.Along with the rapid propelling of Chinese national economy IT application process, the rapid expansion of the field business such as telecommunication service, electric power monitoring, radio and television, be applicable to mobile communication business or territorial scope wide, dispersion cordless communication network---the application of microwave network is also more and more extensive.But administering and maintaining of numerous equipment is a very stubborn problem in microwave communication network.Traditional microwave device administers and maintains generally needs manual site to carry out, and cannot meet the requirement of real-time, has had a strong impact on the extension covering performance of microwave system.For the microwave communication network constantly expanded, can realize becoming present problem demanding prompt solution to the access of equipment and management on a local area network.
Summary of the invention
The object of the invention is to be achieved through the following technical solutions.
According to the embodiment of the present invention, a kind of microwave far-distance stretch system is proposed, described system comprises a central node (1) and multiple microwave node (2), a microwave node (2) is made up of a microwave device or multiple stage microwave device, equipment (3) and peripheral apparatus (4) in every platform microwave device comprises, in a microwave device, equipment (3) comprises Supervisory Unit (5) and manages on behalf of another unit (6), described unit (6) of managing on behalf of another comprises intelligent body module (61), Www server module (62) and the first serial communication module (63), described Supervisory Unit (5) comprises monitoring modular (51) and the second serial communication module (52), it is characterized in that,
Described central node (1) sends simple and easy NM network management agreement request packet by the local area network (LAN) of standard;
A microwave device in the microwave node (2) be directly connected with central node (1) receives this request data package;
Microwave device judges whether to access current device by the intelligent body module (61) of managing on behalf of another unit (6) part in equipment in it (3);
Retransmission data packet may is determined whether according to judged result.
According to the embodiment of the present invention, describedly determine whether that retransmission data packet may specifically comprises according to judged result:
If access current microwave device, then intelligent body module (61) checks management information bank, extracts up-to-date equipment operation information, passes through local area network (LAN) loopback to central node (1) after package;
If not access current microwave device, if have multiple devices in this microwave node, intelligent body module (61) retransmits to the coupled microwave device in same microwave node (2) by the local area network (LAN) of standard, this microwave device receives and analyzes packet, judge whether to access current device, if so, check management information bank, extract up-to-date equipment operation information, package sends it back by the path of the transmission packet indicated should wrap to central node;
If there is no multiple devices in this microwave node or be not access current device, this simple and easy NM network management agreement request package is dressed up the serial line interface frame format of its data form by the intelligent body module (61) of microwave device by the mode of de-redundancy, sign, and then Supervisory Unit (5) part of equipment (3) in this microwave device is sent to by the first serial communication module (63), then correspond to microwave device microwave communications link (7) retransmitting to next microwave node (2);
In next microwave node (2), in microwave device, the Supervisory Unit (5) of equipment (3) receives from microwave communications link (7) and analyzes the simple and easy NM network management agreement request packet of de-redundancy, judge whether to access current device, if access current microwave device, directly from the operation information of Supervisory Unit (5) the part collecting device of equipment (3) in this microwave device, then package sends it back by the path sending request packet indicated should wrap to central node (1);
If not access current microwave device, and only have this microwave device in this microwave node (2), just stop retransmitting;
If have multiple stage microwave device in this microwave node (2), then it is sent to manage on behalf of another the intelligent body module (61) of unit (6) part by second serial communication module (52) of Supervisory Unit (5) part of equipment (3) in this microwave device, the simple and easy NM network management agreement request packet of intelligent body module (61) to this de-redundancy carries out increasing redundancy, revert to the packet data package of standard, after extracting useful data, again by the local area network (LAN) mode of intelligent body module (61) by standard, retransmit to next microwave device be connected with this microwave device in this microwave node (2),
After next stage microwave device receives simple and easy NM network management agreement request packet, retransmission data packet may in a manner described.
According to the embodiment of the present invention, the simple and easy NM network management agreement request packet that described microwave device is received by the local area network (LAN) of standard, this simple and easy NM network management agreement request package is dressed up the serial line interface frame format of its data form by the intelligent body module (61) of microwave device by the mode of de-redundancy, sign, specifically comprise:
Extract data division useful in Local Area Network (LAN) frame structure, and retain a minimum byte of the object internet protocol address of Internet protocol head and a minimum byte of internet protocol address of starting, and other agreements of protocol fields, adopt a byte representation originating terminal slogan and destination slogan, with the different agreement of each layer of byte representation, retain remainder in TCP head, and other parts abandon in UDP head, de-redundancy is carried out to the management information library information extracted in data and identity management object, by the de-redundancy simple and easy NM network management protocol data bag of the data message composition after de-redundancy self, then this self de-redundancy simple and easy NM network management protocol data bag is inserted into the data bit field in serial line interface frame structure, and sent to Supervisory Unit (5) part of equipment in microwave device (3) by serial line interface, Supervisory Unit (5) part is from after serial line interface receives the simple and easy NM network management protocol data bag of self de-redundancy, according to the slot requirements of pulse code modulation system in communication, correspond in microwave communications link (7).
According to the embodiment of the present invention, be standard local area network (LAN) bag by the simple and easy NM network management agreement request data packet recovery of de-redundancy microwave communications link (7), the packet of this de-redundancy carried out increasing redundancy, specifically comprises:
Supervisory Unit (5) part in microwave device in equipment (3), the simple and easy NM network management agreement request packet of de-redundancy is received from microwave communications link (7), the intelligent body module (61) of managing on behalf of another in unit (6) of equipment (3) in this microwave device is sent to by serial interface communication module 52, intelligent body module (61) extracts the data item in data bit field from serial line interface frame structure, according to the de-redundancy of self simple and easy NM network management protocol data pack arrangement, the identity management object regained one's integrity, again according to starting in the simple and easy NM network management protocol architecture of the de-redundancy of self, destination slogan value, recover the head of Transmission Control Protocol or udp protocol, and according to starting in the simple and easy NM network management protocol architecture of the de-redundancy of self, object internet protocol address is worth, recover the Internet protocol head in internet interconnection layer, then indicate according to the agreement in the simple and easy NM network management protocol architecture of the de-redundancy of self, recover the protocol fields of each layer of local area network (LAN) and simple and easy NM network management protocol function type, finally recover each field information in link-layer frame structure, be sent on local area network (LAN) by the local area network (LAN) bag of intelligent body module (61) by composition again.
According to the embodiment of the present invention, central node (1) checks request of data or parameters request with the data unit format of setting operation to intelligent body module (61) transmission, and intelligent body module (61) is replied with trap form and checked request of data or reply parameters request.
According to the embodiment of the present invention, the microwave device be directly connected with central node (1) is provided with sign, when microwave device receives the data that central node (1) sends, enables sign; When microwave device receives request msg from serial line interface or receives the request msg of other equipment re-transmission from local network interface, remove and indicate.
According to the embodiment of the present invention, the Supervisory Unit (5) that inside equipment (3) is inner and manage on behalf of another between unit (6) and adopt asynchronous serial communication mode.
By microwave far-distance stretch system of the present invention, the convenient management of microwave network can be realized, from the angle that user uses, plant maintenance person need not be reached the spot at every turn, at long-range Anywhere this equipment of access in the whole world, and can monitor; Adopt www browsing mode during customer access equipment, only need click relevant device and just can long-rangely connect, simple and convenient; Technical scheme of the present invention possesses telemanagement, maintenance function, loaded down with trivial details management, maintenance task can be simplified, the operating cost of reduction equipment, have that re-transmission speed is fast, data are reliable, move beneficial effect easily, have to positive impetus service quality, the competitiveness of enhancing microwave communication network, the further coverage of extension microwave communication network improving microwave communication network.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Figure 1 show the microwave far-distance stretch system topology schematic diagram according to embodiment of the present invention;
Figure 2 illustrate according to establishing device structure schematic diagram in embodiment of the present invention;
Figure 3 show the process performing packet data package re-transmission according to the microwave far-distance stretch system of embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings illustrative embodiments of the present disclosure is described in more detail.Although show illustrative embodiments of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the execution mode of setting forth here.On the contrary, provide these execution modes to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
According to the embodiment of the present invention, the present invention proposes a kind of microwave far-distance stretch system, as shown in figure 1 and 2, this system comprises a central node (1) and multiple microwave node (2), a microwave node (2) is made up of a microwave device or multiple stage microwave device, equipment (3) and peripheral apparatus (4) in every platform microwave device comprises, in a microwave device, equipment (3) comprises Supervisory Unit (5) and manages on behalf of another unit (6), described unit (6) of managing on behalf of another comprises intelligent body module (61), Www server module (62) and the first serial communication module (63), described Supervisory Unit (5) comprises monitoring modular (51) and the second serial communication module (52), inside connected by bidirectional high speed cable 9 between equipment (3) and peripheral apparatus (4), central node (1) is connected with a microwave device in a microwave node (2) by twisted-pair feeder 8, multiple stage microwave device in a microwave node (2) is interconnected by twisted-pair feeder 8, be interconnected by microwave communications link (7) between adjacent two microwave nodes (2), microwave communications link (7) in order to ensure serial arrowband can retransmission packet data bag fast, ensure in same node or microwave device between different node can proper communication, microwave device local network management system needs a set of basic management function, comprise configuration management, performance management, fault management, system management and other management.
Central node (1), the network management software (comprising relevant database) is installed, by simple and easy NM network management agreement and supertext transmission protocol mode, the whole network microwave device is managed, check and various parameter is set, and receiving warning message.
Microwave device in same microwave node (2) is connected by twisted-pair feeder 8, adopts the LAN protocol of standard; Microwave device between different microwave nodes (2) is by microwave communications link (7) transmission data.Each by the microwave device of pipe operation www server software, simple and easy NM network management protocol-intelligent body software and Serial Communication Software.
Central node (1) can sign in by internet protocol address the microwave device be directly connected with it, adopts HTML (Hypertext Markup Language) to carry out management and utilization to it.
Central node (1) can also by simple and easy NM network management agreement, first communicate with the intelligent body module (61) in equipment (3) in the microwave device be directly connected, data can retransmit in node and between node, thus realize the management to whole network equipment.Consider the particularity of network topology structure, namely transmit data by microwave communications link (7) between node, therefore need to convert the simple and easy NM network management agreement of standard, formulate special data format.Below specific implementation is described.
Central node (1) mainly comprises the facility information checking the microwave device be managed to the monitoring of the microwave device be managed, arrange the facility information of microwave device and the process of warning message that are managed.
If central node (1) needs the parameter information checking microwave device E in microwave node (2)-3, as shown in Figure 1, present embodiment lists 5 microwave nodes, but is not limited to 5, is undertaken by following step:
(1) central node (1) sends to microwave device A and checks information request, the intelligent body module (61) in unit (6) of managing on behalf of another running on microwave device A receives and checks and ask and analyze, if not checking current device (microwave device A) information, then checking that the simple and easy NM network management protocol package of information request retransmits, re-transmission has both direction, a direction will check that the simple and easy NM network management protocol package of information request retransmits to microwave device F according to the local area network (LAN) of standard, it is not the information sent out to this equipment that the intelligent body module (61) of managing on behalf of another in unit (6) of microwave device F analyzes rear discovery, according to packet data package fast retransmission protocols, after de-redundancy is carried out to packet, the Supervisory Unit (5) of microwave device F is retransmitted to by the first serial communication module (63), correspond in microwave communications link (7) by the Supervisory Unit (5) of microwave device F again, then stop after retransmitting to the microwave device G in microwave node (2)-2.Another direction is carried out according to (2)-(7) step.
(2) the intelligent body module (61) of managing on behalf of another in unit (6) of microwave device A will carry out de-redundancy and reduction packets of information head to simple and easy NM network management protocol data bag, the packet in assembling fast retransmission protocols.Retransmitted to the Supervisory Unit of microwave device A (5) by the first serial communication module (63).
(3) Supervisory Unit (5) of microwave device A, after checking request from serial line interface reception, correspond to microwave communications link (7) and go up thus simple and easy NM network management agreement request bag is retransmitted to the microwave device B of microwave node (2)-4.
(4) after the Supervisory Unit (5) of microwave device B receives the request of checking, by analysis, find it is not check current device information (microwave device B), by the second serial communication module (52) checking that request is sent to the intelligent body module (61) of managing on behalf of another in unit (6) of microwave device B.
(5) the intelligent body module (61) of managing on behalf of another in unit (6) of microwave device B, the simple and easy NM network management agreement request bag receiving de-redundancy is carried out data transaction, and be encapsulated in simple and easy NM network management protocol Data Unit, the local area network (LAN) finally by standard retransmits to microwave device C.
(6) the intelligent body module (61) of managing on behalf of another in unit (6) of microwave device C receives and asks and analyze, find it is not check current device information (microwave device C), then checking that the simple and easy NM network management protocol package of information request retransmits, re-transmission has both direction, a direction is sent in the Supervisory Unit (5) of microwave device C by first serial communication module (63) managed on behalf of another in unit (6) of microwave device C, and then correspond in microwave communications link (7), request packet is retransmitted and stops to after the microwave device H in microwave node (2)-5.Another direction is carried out according to (7)-(8) step.
(7) request packet is retransmitted to microwave device D by the local area network (LAN) of standard by the intelligent body module (61) of managing on behalf of another in unit (6) of microwave device C.The intelligent body module (61) of managing on behalf of another in unit (6) of microwave device D receives asks and analyzes, find it is not check current device information (microwave device D), then checking that the simple and easy NM network management protocol package of information request is sent to the Supervisory Unit (5) of microwave device D by the first serial communication module (63), then correspond in microwave communications link (7) by the Supervisory Unit (5) of microwave device D, request packet is retransmitted to the microwave device E in microwave node (2)-3.
(8) Supervisory Unit (5) of microwave device E receives the request packet that microwave device D sends, carrying out analysis discovery is check current device information (microwave device E), then collect the parameter information of microwave device E, and response message is delivered to central node by original path back.Return information is when inter-node transmission, and adopt simple and easy NM network management agreement to arrange message encapsulation, final microwave device replys data by simple and easy NM network management agreement trap message.
(9) parameter information, the facility information that will collect of the Supervisory Unit (5) of microwave device E, carry out de-redundancy and reduction header packet information, packet in assembling fast retransmission protocols, then correspond to the upper re-transmission of microwave communications link (7) to the microwave device D of microwave node S4 by its Supervisory Unit (5).
(10) Supervisory Unit (5) of microwave device D receives packets of information, the analysis found that it is the information mailing to central node, so be sent to the intelligent body module (61) of managing on behalf of another in unit (6) of microwave device D by the second serial communication module (52), intelligent body module (61) is retransmitted to microwave device C by the local area network (LAN) of standard.
(11) the intelligent body module (61) of managing on behalf of another in unit (6) of microwave device C receives packets of information, by analyze discovery be the echo message mailing to central node (1), because the request sent from central node (1) wraps in process of transmitting and can indicate transmit path, therefore send back that should to wrap be by original route transmission, so there is not the re-transmission of both direction herein.So the intelligent body module (61) of microwave device C sends microwave device B to according to the local area network (LAN) of standard.
(12) the intelligent body module (61) of managing on behalf of another in unit (6) of microwave device B receives packets of information, by analyze discovery be the echo message sending to central node (1), then carry out de-redundancy and reduction packets of information head, the packet in assembling fast retransmission protocols.Sent to the Supervisory Unit (5) of microwave device B by the first serial communication module (63), corresponded in microwave communications link (7) by Supervisory Unit (5) and then retransmit to the microwave device A of microwave node (2)-1.
(13) Supervisory Unit (5) of microwave device A receives packets of information, the analysis found that it is the echo message sending to central node (1), therefore the intelligent body module (61) of managing on behalf of another in unit (6) of microwave device A is sent to by the second serial communication module (52), the simple and easy NM network management protocol package of intelligent body module (61) to de-redundancy increases redundancy, revert to the simple and easy NM network management protocol information bag of standard, directly retransmitted to central node (1) by local area network (LAN).
Similarly, if central node (1) needs the parameter information arranging microwave device E, by same step, the request of setting can be sent to microwave device E.
If microwave device E has warning message to produce, initiatively to microwave communications link (7) and local area network (LAN) both direction transmission data, because now microwave device E do not know the microwave device that central node (1) connects.Warning message constantly transmits in whole microwave communication network, till arrival central node (1).
It should be added that, manage on behalf of another the intelligent body module (61) in unit (6), Www server module (62) and the second serial communication module (52) or 63 adhere to three standalone modules separately, run simultaneously.Direct data communication is not had between intelligent body module (61) and Www server module (62), and intelligent body module (61) (or Www server module (62)) and the second serial communication module (52) or carry out data communication by inter-process communication mechanisms between 63.
Central node (1) checks request of data or parameters request with the data unit format of setting operation to intelligent body module (61) transmission, and intelligent body module (61) is replied with trap form and checked request of data or reply parameters request.
The microwave device be directly connected with central node (1) is provided with sign, when microwave device receives the data that central node (1) sends, enables sign; When microwave device receives request msg from serial line interface or receives the request msg of other equipment re-transmission from local network interface, remove and indicate.So just can determine which platform equipment is directly connected with central node (1), if this equipment receives the reply data from other equipment, should retransmit directly to central node (1), and not re-send to other microwave device.
When microwave node (2) interior equipment needs data retransmission, by setting data cell format to other microwave device broadcast datas.
No matter the information of reception is sent to that microwave device in microwave network, in the communication that interior equipment (3) is inner, all needs to be transmitted by serial line interface.The Supervisory Unit (5) that inside equipment (3) is inner and managing on behalf of another between unit (6) is connected by serial line interface, be exactly specifically manage on behalf of another the serial line interface that uses in unit (6) and Supervisory Unit (5) middle use serial line interface to be connected.The two can support asynchronous communication preferably, therefore adopts asynchronous serial communication mode here.
First serial communication module (63) runs on to be managed on behalf of another on unit (6), monitor serial interface devices and pipeline, data can be realized and manage on behalf of another transmitted in both directions between unit (6) and Supervisory Unit (5) at microwave device.
Realize on serial arrowband, transmitting data, Fast retransmission packet data package, need the Supervisory Unit inside by microwave device (5) to correspond in microwave communications link (7), realize the Fast retransmission of packet data package.
Inside equipment (3) is made up of two parts, Supervisory Unit (5) and manage on behalf of another unit (6), and the two communicates by means of only serial line interface, and serial communication adopts self serial communication protocol.Second serial communication module (52) or 63 is responsible for receiving from serial line interface or sending data.
Monitoring modular (51) in Supervisory Unit (5) mainly completes following function:
(1) data that the second serial communication module (52) receives are processed, select to continue to retransmit or reply request of data.
(2) receive the data that opposite end sends, select to continue to retransmit or reply request of data.
(3) initiatively produce warning message, and retransmit to both direction, thus the whole network is broadcasted.
Manage on behalf of another in unit (6) intelligent body module (61), mainly complete following function:
(1) data that the first serial communication module (63) receives are processed, select to continue to retransmit or reply request of data.
(2) receive the data that in microwave node (2), other microwave devices send, select to continue to retransmit or reply request of data.
(3) de-redundancy carried out to packets of information and increase redundancy, assembling Local Area Network (LAN) frame structure or serial line interface frame structure.
Serial arrowband transmits LAN data bag, need to carry out de-redundancy and reduction, increasing redundancy to it, then the Local Area Network (LAN) frame form being assembled into serial retransmits, as shown in Figure 3, it is as follows that described microwave far-distance stretch system performs the process that packet data package retransmits:
Central node (1) sends simple and easy NM network management agreement request packet by the local area network (LAN) of standard, a microwave device in the microwave node (2) be directly connected with central node (1) receives this request data package, microwave device judges whether to access current device by the intelligent body module (61) of managing on behalf of another unit (6) part in equipment in it (3), if access current microwave device, then intelligent body module (61) checks management information bank, extract up-to-date equipment operation information, local area network (LAN) loopback be passed through to central node (1) after package,
If not access current microwave device, then retransmit as follows, if have multiple devices in this microwave node, intelligent body module (61) retransmits to the coupled microwave device in same microwave node (2) by the local area network (LAN) of standard, this microwave device receives and analyzes packet, judge whether to access current device, if, check management information bank, extract up-to-date equipment operation information, package sends it back by the path of the transmission packet indicated should wrap to central node;
If there is no multiple devices in this microwave node or be not access current device, this simple and easy NM network management agreement request package is dressed up the serial line interface frame format of self (self-defined) data format by the intelligent body module (61) of microwave device by the mode of de-redundancy, sign, and then Supervisory Unit (5) part of equipment (3) in this microwave device is sent to by the first serial communication module (63), then correspond to microwave device microwave communications link (7) retransmitting to next microwave node (2);
In next microwave node (2), in microwave device, the Supervisory Unit (5) of equipment (3) receives from microwave communications link (7) and analyzes the simple and easy NM network management agreement request packet of de-redundancy, judge whether to access current device, if access current microwave device, directly from the operation information of Supervisory Unit (5) the part collecting device of equipment (3) in this microwave device, then package sends it back by the path sending request packet indicated should wrap to central node (1);
If not access current microwave device, and only have this microwave device in this microwave node (2), just stop retransmitting;
If have multiple stage microwave device in this microwave node (2), then it is sent to manage on behalf of another the intelligent body module (61) of unit (6) part by second serial communication module (52) of Supervisory Unit (5) part of equipment (3) in this microwave device, the simple and easy NM network management agreement request packet of intelligent body module (61) to this de-redundancy carries out increasing redundancy, revert to the packet data package of standard, after extracting useful data, again by the local area network (LAN) mode of intelligent body module (61) by standard, retransmit to next microwave device be connected with this microwave device in this microwave node (2),
After next stage microwave device receives simple and easy NM network management agreement request packet, process according to such as upper type.
The simple and easy NM network management agreement request packet that microwave device is received by the local area network (LAN) of standard, the intelligent body module (61) of microwave device passes through de-redundancy, this simple and easy NM network management agreement request package is dressed up the serial line interface frame format of its data form by the mode indicated, its step is as follows: extract data division useful in Local Area Network (LAN) frame structure, and retain a minimum byte of the object internet protocol address of Internet protocol head and a minimum byte of internet protocol address of starting, and other agreements of protocol fields (such as TCP and udp protocol), adopt a byte representation originating terminal slogan and destination slogan, with the different agreement of each layer of byte representation, retain remainder in TCP head, and other parts abandon in UDP head, de-redundancy is carried out to the management information library information extracted in data and identity management object, by the de-redundancy simple and easy NM network management protocol data bag of the data message composition after de-redundancy self, then this self de-redundancy simple and easy NM network management protocol data bag is inserted into the data bit field in serial line interface frame structure, and sent to Supervisory Unit (5) part of equipment in microwave device (3) by serial line interface, Supervisory Unit (5) part is from after serial line interface receives the simple and easy NM network management protocol data bag of self de-redundancy, according to the slot requirements of pulse code modulation system in communication, correspond in microwave communications link (7).
Microwave communications link (7) by the simple and easy NM network management agreement request data packet recovery of de-redundancy for mark
Accurate local area network (LAN) bag, the packet of this de-redundancy is carried out increasing redundancy, its step is as follows: Supervisory Unit (5) part in microwave device in equipment (3), the simple and easy NM network management agreement request packet of de-redundancy is received from microwave communications link (7), the intelligent body module (61) of managing on behalf of another in unit (6) of equipment (3) in this microwave device is sent to by serial interface communication module 52, intelligent body module (61) extracts the data item in data bit field from serial line interface frame structure, according to the de-redundancy of self simple and easy NM network management protocol data pack arrangement, the identity management object regained one's integrity, again according to starting in the simple and easy NM network management protocol architecture of the de-redundancy of self, destination slogan value, recover the head of Transmission Control Protocol or udp protocol, and according to starting in the simple and easy NM network management protocol architecture of the de-redundancy of self, object internet protocol address is worth, recover the Internet protocol head in internet interconnection layer, then indicate according to the agreement in the simple and easy NM network management protocol architecture of the de-redundancy of self, recover the protocol fields of each layer of local area network (LAN) and simple and easy NM network management protocol function type, finally recover each field information in link-layer frame structure, be sent on local area network (LAN) by the local area network (LAN) bag of intelligent body module (61) by composition again.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (7)
1. a microwave far-distance stretch system, described system comprises a central node (1) and multiple microwave node (2), a microwave node (2) is made up of a microwave device or multiple stage microwave device, equipment (3) and peripheral apparatus (4) in every platform microwave device comprises, in a microwave device, equipment (3) comprises Supervisory Unit (5) and manages on behalf of another unit (6), described unit (6) of managing on behalf of another comprises intelligent body module (61), Www server module (62) and the first serial communication module (63), described Supervisory Unit (5) comprises monitoring modular (51) and the second serial communication module (52), it is characterized in that,
Described central node (1) sends simple and easy NM network management agreement request packet by the local area network (LAN) of standard;
A microwave device in the microwave node (2) be directly connected with central node (1) receives this request data package;
Microwave device judges whether to access current device by the intelligent body module (61) of managing on behalf of another unit (6) part in equipment in it (3);
Retransmission data packet may is determined whether according to judged result.
2. according to judged result, a system as claimed in claim 1, describedly determines whether that retransmission data packet may specifically comprises:
If access current microwave device, then intelligent body module (61) checks management information bank, extracts up-to-date equipment operation information, passes through local area network (LAN) loopback to central node (1) after package;
If not access current microwave device, if have multiple devices in this microwave node, intelligent body module (61) retransmits to the coupled microwave device in same microwave node (2) by the local area network (LAN) of standard, this microwave device receives and analyzes packet, judge whether to access current device, if so, check management information bank, extract up-to-date equipment operation information, package sends it back by the path of the transmission packet indicated should wrap to central node;
If there is no multiple devices in this microwave node or be not access current device, this simple and easy NM network management agreement request package is dressed up the serial line interface frame format of its data form by the intelligent body module (61) of microwave device by the mode of de-redundancy, sign, and then Supervisory Unit (5) part of equipment (3) in this microwave device is sent to by the first serial communication module (63), then correspond to microwave device microwave communications link (7) retransmitting to next microwave node (2);
In next microwave node (2), in microwave device, the Supervisory Unit (5) of equipment (3) receives from microwave communications link (7) and analyzes the simple and easy NM network management agreement request packet of de-redundancy, judge whether to access current device, if access current microwave device, directly from the operation information of Supervisory Unit (5) the part collecting device of equipment (3) in this microwave device, then package sends it back by the path sending request packet indicated should wrap to central node (1);
If not access current microwave device, and only have this microwave device in this microwave node (2), just stop retransmitting;
If have multiple stage microwave device in this microwave node (2), then it is sent to manage on behalf of another the intelligent body module (61) of unit (6) part by second serial communication module (52) of Supervisory Unit (5) part of equipment (3) in this microwave device, the simple and easy NM network management agreement request packet of intelligent body module (61) to this de-redundancy carries out increasing redundancy, revert to the packet data package of standard, after extracting useful data, again by the local area network (LAN) mode of intelligent body module (61) by standard, retransmit to next microwave device be connected with this microwave device in this microwave node (2),
After next stage microwave device receives simple and easy NM network management agreement request packet, retransmission data packet may in a manner described.
3. a system as claimed in claim 2, the simple and easy NM network management agreement request packet that described microwave device is received by the local area network (LAN) of standard, this simple and easy NM network management agreement request package is dressed up the serial line interface frame format of its data form by the intelligent body module (61) of microwave device by the mode of de-redundancy, sign, specifically comprise:
Extract data division useful in Local Area Network (LAN) frame structure, and retain a minimum byte of the object internet protocol address of Internet protocol head and a minimum byte of internet protocol address of starting, and other agreements of protocol fields, adopt a byte representation originating terminal slogan and destination slogan, with the different agreement of each layer of byte representation, retain remainder in TCP head, and other parts abandon in UDP head, de-redundancy is carried out to the management information library information extracted in data and identity management object, by the de-redundancy simple and easy NM network management protocol data bag of the data message composition after de-redundancy self, then this self de-redundancy simple and easy NM network management protocol data bag is inserted into the data bit field in serial line interface frame structure, and sent to Supervisory Unit (5) part of equipment in microwave device (3) by serial line interface, Supervisory Unit (5) part is from after serial line interface receives the simple and easy NM network management protocol data bag of self de-redundancy, according to the slot requirements of pulse code modulation system in communication, correspond in microwave communications link (7).
4. a system as claimed in claim 3, is standard local area network (LAN) bag by the simple and easy NM network management agreement request data packet recovery of de-redundancy, the packet of this de-redundancy is carried out increasing redundancy, specifically comprises microwave communications link (7):
Supervisory Unit (5) part in microwave device in equipment (3), the simple and easy NM network management agreement request packet of de-redundancy is received from microwave communications link (7), the intelligent body module (61) of managing on behalf of another in unit (6) of equipment (3) in this microwave device is sent to by serial interface communication module 52, intelligent body module (61) extracts the data item in data bit field from serial line interface frame structure, according to the de-redundancy of self simple and easy NM network management protocol data pack arrangement, the identity management object regained one's integrity, again according to starting in the simple and easy NM network management protocol architecture of the de-redundancy of self, destination slogan value, recover the head of Transmission Control Protocol or udp protocol, and according to starting in the simple and easy NM network management protocol architecture of the de-redundancy of self, object internet protocol address is worth, recover the Internet protocol head in internet interconnection layer, then indicate according to the agreement in the simple and easy NM network management protocol architecture of the de-redundancy of self, recover the protocol fields of each layer of local area network (LAN) and simple and easy NM network management protocol function type, finally recover each field information in link-layer frame structure, be sent on local area network (LAN) by the local area network (LAN) bag of intelligent body module (61) by composition again.
5. a system as claimed in claim 4, central node (1) checks request of data or parameters request with the data unit format of setting operation to intelligent body module (61) transmission, and intelligent body module (61) is replied with trap form and checked request of data or reply parameters request.
6. a system as claimed in claim 5, the microwave device be directly connected with central node (1) is provided with sign, when microwave device receives the data that central node (1) sends, enables sign; When microwave device receives request msg from serial line interface or receives the request msg of other equipment re-transmission from local network interface, remove and indicate.
7. a system as claimed in claim 6, the Supervisory Unit (5) that inside equipment (3) is inner and manage on behalf of another between unit (6) and adopt asynchronous serial communication mode.
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