CN102546086B - Microwave communication data transmission method and microwave communication node - Google Patents

Microwave communication data transmission method and microwave communication node Download PDF

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Publication number
CN102546086B
CN102546086B CN201010617733.1A CN201010617733A CN102546086B CN 102546086 B CN102546086 B CN 102546086B CN 201010617733 A CN201010617733 A CN 201010617733A CN 102546086 B CN102546086 B CN 102546086B
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microwave communication
communication node
capability negotiation
message
equity
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CN102546086A (en
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陈琳
刘向宇
袁志锋
李长兴
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ZTE Corp
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ZTE Corp
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Abstract

The invention discloses a microwave communication data transmission method and a microwave communication node; the method comprises the following steps that: the microwave communication node and a peer microwave communication node carry out synchronous and capability negotiation; and after the microwave communication node and the peer microwave communication node carry out synchronous and capability negotiation, data is transmitted through microwave communication parameters which are determined by capability negotiation operation. According to the invention, the microwave communication reliability can be improved.

Description

Microwave communication data transmission and microwave communication node
Technical field
The present invention relates to the communications field, in particular to a kind of microwave communication data transmission and microwave communication node.
Background technology
Microwave communication is called as the three large Main Means that modern communications transmits together with optical fiber communication, satellite communication.Microwave communication generally adopts point-to-point transmission means, is mainly used in the bearer network of 2G/3G movement at present, for mobile operator provides the transmission of voice-and-data business, there is transmission capacity large, long distance transmission steady quality, small investment, the features such as the construction period is short, easy to maintenance.Microwave communication is applied to the typical network topology of mobile bearer network as shown in Figure 1, and namely point-to-point scene can be used for also can be used between base station the backbone transport between base station and base station control station or IAD.
Usual microwave communication node is made up of modem module and Transmit Receive Unit two parts, as shown in Figure 2.Modem module comprises baseband interface and modem module, is generally placed on indoor so be also called IDU (In-Door Unit).Transmit Receive Unit mainly realizes radio-frequency receiving-transmitting function, is generally placed on steel tower together with antenna, so be also called ODU (Out-DoorUnit).
Along with the development of mobile wireless network and ethernet technology, microwave transmission is by traditional time division multiplexing (Time DivisionMultiplexing, referred to as TDM) business transmission progressively develop into now mixed service transmission, i.e. TDM, E1, the pattern of all kinds data mixing such as Ethernet, and transmission capacity is progressively increasing.Data from distinct interface are packaged into Frame by United Dispatching, are then modulated by modem module, and are sent by radio frequency unit.
But the microwave communication data transmission in correlation technique, can cause receiving terminal cannot correct receiving data frames, thus causes the problem of microwave communication Reliability comparotive difference.
Summary of the invention
Main purpose of the present invention is to provide a kind of microwave communication data transmission and microwave communication node, to solve the microwave communication data transmission in correlation technique, can cause receiving terminal cannot correct receiving data frames, thus cause the problem of microwave communication Reliability comparotive difference.
To achieve these goals, according to an aspect of the present invention, a kind of microwave communication data transmission is provided.
Microwave communication data transmission according to the present invention comprises: microwave communication node carries out synchronous and capability negotiation with the microwave communication node of equity; Microwave communication node, after and capability negotiation synchronous with the microwave communication node of equity, uses capability negotiation to operate the microwave communication parameter determined and carries out transfer of data.
Further, the microwave communication node of microwave communication node and equity is carried out synchronous and capability negotiation and is comprised: microwave communication node is to the microwave communication node transmitting capacity negotiation request message of equity; The microwave communication node of equity determines the common microwave communication parameter supported according to the microwave communication parameter self supported and the message for requesting capability negotiation from microwave communication node received; The response message of capability negotiation carrying the common microwave communication parameter supported is sent to microwave communication node by the microwave communication node of equity; Microwave communication node is after receiving response message of capability negotiation, and the microwave communication node transmitting capacity to equity consults acknowledge message.
Further, microwave communication node comprises to the microwave communication node transmitting capacity negotiation request message communicated with: microwave communication node is by synchronization frame transmitting capacity negotiation request message, wherein, synchronization frame comprises: the information that capability negotiation is relevant and predefined training sequence, capability negotiation relevant information comprise following one of at least: the instruction of message for requesting capability negotiation type, configuration change count, encryption and decryption configuration, the configuration of automatic Modulation coding, Header compression configure.
Further, according to the message for requesting capability negotiation of the microwave communication parameter self supported and the microwave communication node from equity received, microwave communication node determines that the common microwave communication parameter supported comprises: microwave communication node judges that whether the microwave communication parameter self supported is consistent with the microwave communication parameter that the message for requesting capability negotiation received is asked; If judged result is yes, microwave communication node determines that the configuration change count in the common microwave communication parameter supported is the configuration change count in message for requesting capability negotiation; Otherwise microwave communication node adopts pre-defined algorithm determination configuration change count.
Further, the microwave communication node of microwave communication node and equity is after synchronous and capability negotiation, use capability negotiation operate the microwave communication parameter determined to carry out transfer of data and comprise: after microwave communication node receives capability negotiation acknowledge message, use the microwave communication parameter of common support to carry out transfer of data.
Further, before microwave communication node receives the capability negotiation acknowledge message from the microwave communication node of equity, said method also comprises: the microwave communication node of equity determines the common microwave communication parameter supported according to the Capability negotiation request response message received, and sends capability negotiation determination message.
Further, according to the Capability negotiation request response message received, the microwave communication node of equity determines that the common microwave communication parameter supported comprises: the microwave communication node of equity judges that whether the configuration change count in the Capability negotiation request response message received is identical with the configuration change count in the message for requesting capability negotiation of its transmission; If judged result is yes, the microwave communication parameter determining in Capability negotiation request response message is that the microwave communication parameter in message for requesting capability negotiation is consistent, and be the microwave communication parameter of common support; Otherwise, determine that himself the Microwave Treatment parameter of microwave communication node of equity is the microwave communication parameter in response message of capability negotiation, and be the microwave communication parameter of common support.
Further, before microwave communication node carries out synchronous and capability negotiation with the microwave communication node of equity, said method also comprises: microwave communication node determines that it starts, restart or it is in lock-out state with reciprocity microwave communication node, wherein, microwave communication node is in lock-out state comprises with the microwave communication node of equity: microwave communication node cannot correctly receive or resolve the data that peer node sends; Or microwave communication node adjustment microwave communication parameter.
Further, message for requesting capability negotiation, response message of capability negotiation and/or capability negotiation acknowledge message continuous several times send.
Further, the reception carrier of the microwave communication node of microwave communication node and equity is same carrier or different carrier frequency with sending carrier frequency.
Further, the reception carrier of the transmission carrier frequency of microwave communication node and the microwave communication node of equity is same carrier.
Further, the transmission carrier frequency of the reception carrier of microwave communication node and the microwave communication node of equity is same carrier.
Further, pre-configured leading symbol is all carried in the frame that the microwave communication node of microwave communication node and equity sends.
To achieve these goals, according to another aspect of the present invention, a kind of microwave communication node is provided.
Microwave communication node according to the present invention comprises: processing module, and the microwave communication node for the microwave communication node equity with its place carries out synchronous and capability negotiation; Data transmission module, for the microwave communication node of the microwave communication node at its place and equity after synchronous and capability negotiation, uses capability negotiation to operate the microwave communication parameter determined and carries out transfer of data.
Further, processing module comprises: first sends submodule, for the microwave communication node transmitting capacity negotiation request message to equity; Determine submodule, determine the common microwave communication parameter supported for the microwave communication parameter supported according to self and the message for requesting capability negotiation received; Second sends submodule, for sending the response message of capability negotiation carrying the common microwave communication parameter supported; Receive submodule, for after receiving response message of capability negotiation, transmitting capacity consults acknowledge message.
Further, first sends submodule by synchronization frame transmitting capacity negotiation request message, wherein, synchronization frame comprises: the information that capability negotiation is relevant and predefined training sequence, capability negotiation relevant information comprise following one of at least: the instruction of message for requesting capability negotiation type, configuration change count, encryption and decryption configuration, the configuration of automatic Modulation coding, Header compression configure.
Further, determine that submodule comprises: judging unit, whether consistent with the microwave communication parameter that the Capability negotiation request received is asked for judging the microwave communication parameter self supported; First processing unit, during for the judged result of the first judging unit for being, microwave communication node determines that the configuration change count in the common microwave communication parameter supported is the configuration change count in negotiation request message; Second processing unit, for adopting pre-defined algorithm determination configuration change count when the judged result of the first judging unit is no.
Further, data transmission module comprises: transmission submodule, after receiving capability negotiation acknowledge message, carries out transfer of data according to the common microwave communication parameter supported.
Further, above-mentioned microwave communication node also comprises: parameter determination module, for determining that the Capability negotiation request response message received determines the common microwave communication parameter supported; Sending module, consults to determine message for transmitting capacity.
Further, parameter determination module comprises: first judges submodule, judges that whether the configuration change count in the Capability negotiation request response message received is identical with the configuration change count in the message for requesting capability negotiation of its transmission for microwave communication node; First process submodule, when judging the judged result of submodule as being for second, the microwave communication parameter determining in Capability negotiation request response message is that the microwave communication parameter in message for requesting capability negotiation is consistent, and be the microwave communication parameter of support jointly; Second process submodule, when judging that the judged result of submodule is no for second, determines that himself Microwave Treatment parameter of microwave communication node is the microwave communication parameter in response message of capability negotiation, and be the microwave communication parameter of support jointly.
Pass through the present invention, adopt before microwave communication communication data transfer starts, synchronous and capability negotiation is carried out with reciprocity microwave communication node, microwave communication transfer of data is carried out according to the parameter determined, solve the microwave communication data transmission solved in correlation technique, can cause receiving terminal cannot correct receiving data frames, thus cause the problem of microwave communication Reliability comparotive difference, and then reach the effect improving microwave communication reliability.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the microwave point-to-point transmission scene schematic diagram according to correlation technique;
Fig. 2 is the schematic diagram of the composition of microwave transmission system according to correlation technique;
Fig. 3 is the flow chart of the microwave communication data transmission according to the embodiment of the present invention;
Fig. 4 be according to the microwave communication node of the embodiment of the present invention start restart or lock-out time the synchronous and capability negotiation flow chart of scene one;
Fig. 5 be according to the microwave communication node of the embodiment of the present invention start restart or lock-out time the synchronous and capability negotiation flow chart of scene two;
Fig. 6 be according to the microwave communication node of the embodiment of the present invention start restart or lock-out time the synchronous and capability negotiation flow chart of scene three;
Fig. 7 be according to the microwave communication node of the embodiment of the present invention start restart or lock-out time the synchronous and capability negotiation flow chart of scene four;
Fig. 8 is according to the microwave communication node of the embodiment of the present invention and reciprocity microwave communication node is synchronous and capability negotiation state machine;
Fig. 9 is state machine that is synchronous according to the microwave communication host node of the embodiment of the present invention and capability negotiation;
Figure 10 is according to the microwave communication of the embodiment of the present invention state machine from synchronisation of nodes and capability negotiation;
Figure 11 is the flow chart operationally carrying out capability negotiation according to the microwave communication node of the embodiment of the present invention;
Figure 12 is the structured flowchart of the microwave communication node according to the embodiment of the present invention; And
Figure 13 is the preferred structured flowchart of the microwave communication node according to the embodiment of the present invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Present embodiments provide a kind of microwave communication data transmission, Fig. 3 is the flow chart of the microwave communication data transmission according to the embodiment of the present invention, as shown in Figure 3, comprises the steps:
Step S302: microwave communication node carries out synchronous and capability negotiation with the microwave communication node of equity.
Step S304: microwave communication node, after and capability negotiation synchronous with the microwave communication node of equity, uses capability negotiation to operate the microwave communication parameter determined and carries out transfer of data.
Pass through above-mentioned steps, before microwave communication transfer of data, microwave communication node carries out synchronous and capability negotiation with the microwave communication node of its equity, transfer of data is carried out according to the parameter after consulting, overcome microwave communication data transmission in correlation technique, can cause receiving terminal cannot correct receiving data frames, thus cause the problem of microwave communication Reliability comparotive difference, reach the effect improving microwave communication reliability.
Preferably, below a preferred implementation of step S302 is described.Microwave communication node is to the microwave communication node transmitting capacity negotiation request message of equity; The microwave communication node of equity determines the common microwave communication parameter supported according to the microwave communication parameter self supported and the message for requesting capability negotiation from microwave communication node received; The Capability negotiation request response message carrying the common microwave communication parameter supported is sent to microwave communication node by the microwave communication node of equity; After microwave communication node receives response message of capability negotiation, the microwave communication node transmitting capacity to equity consults acknowledge message.By the preferred embodiment, complete capability negotiation by transmitting capacity negotiation request, Capability negotiation request response message, capability negotiation acknowledge message between microwave communication node, improve accuracy and reliability that capability negotiation crosses title.
Preferably, below to the microwave communication node transmitting capacity negotiation request message communicated with one of microwave communication node is preferred embodiment described.Microwave communication node is by synchronization frame transmitting capacity negotiation request message, wherein, synchronization frame comprises: the information that capability negotiation is relevant and predefined training sequence, capability negotiation relevant information comprise following one of at least: the instruction of message for requesting capability negotiation type, configuration change count, encryption and decryption configuration, the configuration of automatic Modulation coding, Header compression configure.By the preferred embodiment, microwave communication node consults request by synchronization frame transmitting capacity, adopts existing mode to carry out the transmission of message for requesting capability negotiation, reduces R&D costs.
Preferably, according to the message for requesting capability negotiation of the microwave communication parameter self supported and the microwave communication node from equity received, microwave communication node is determined that one of the common microwave communication parameter supported preferred embodiment is described below.Microwave communication node judges that whether the microwave communication parameter self supported is consistent with the microwave communication parameter that the message for requesting capability negotiation received is asked; If judged result is yes, microwave communication node determines that the configuration change count in the common microwave communication parameter supported is the configuration change count in message for requesting capability negotiation; Otherwise microwave communication node adopts pre-defined algorithm determination configuration change count.By the preferred embodiment, microwave communication node according to the message for requesting capability negotiation received ask whether unanimously with the parameter of himself to determine configuration change count, improve the accuracy of configuration variation technology.
Preferably, below one of step S304 is preferred embodiment described.After microwave communication node receives capability negotiation acknowledge message, the common microwave communication parameter supported is used to carry out transfer of data.By the preferred embodiment, after microwave communication node receives capability negotiation acknowledge message, use the common microwave communication parameter supported to carry out transfer of data, improve the reliability of microwave communication transfer of data.
Preferably, before microwave communication node receives the capability negotiation acknowledge message from the microwave communication node of equity, said method also comprises: the microwave communication node of equity determines the common microwave communication parameter supported according to the Capability negotiation request response message received, and sends capability negotiation determination message.By the preferred embodiment, the microwave communication node of equity determines the common microwave communication parameter supported according to the Capability negotiation request response message received, and improves the accuracy of microwave communication parameter.
Preferably, below, according to the described Capability negotiation request response message received, the microwave communication node of equity determines that one of the microwave communication parameter of described common support is preferred embodiment described.The microwave communication node of equity judges that whether the configuration change count in the Capability negotiation request response message received is identical with the configuration change count in the message for requesting capability negotiation of its transmission; If judged result is yes, the microwave communication parameter determining in Capability negotiation request response message is that the microwave communication parameter in message for requesting capability negotiation is consistent, and be the microwave communication parameter of common support; Otherwise, determine that himself the Microwave Treatment parameter of microwave communication node of equity is the microwave communication parameter in response message of capability negotiation, and be the microwave communication parameter of common support.By the preferred embodiment, according to configuration change count determination microwave communication parameter, improve the reliability of microwave communication parameter.
Preferably, before step S302, also comprise: microwave communication node determines that it starts, restart or it is in lock-out state with reciprocity microwave communication node, wherein, microwave communication node is in lock-out state comprises with the microwave communication node of equity: microwave communication node garbled-reception or resolve the data that peer node sends; Or microwave communication node adjustment microwave communication parameter.By the preferred embodiment, define the scene of carrying out synchronous and capability negotiation, improve the applicability of microwave communication data transmission.
Preferably, message for requesting capability negotiation, response message of capability negotiation, capability negotiation acknowledge message continuous several times send.By the preferred embodiment, improve the reliability of transmission of messages.
Preferably, the reception carrier of the microwave communication node of microwave communication node and equity is same carrier or different carrier frequency with sending carrier frequency.By the preferred embodiment, microwave communication node reception carrier and transmission carrier frequency can be the same or different, and improve resource utilization.
Preferably, the reception carrier of the transmission carrier frequency of microwave communication node and the microwave communication node of equity is same carrier.By the preferred embodiment, improve resource utilization.
Preferably, the transmission carrier frequency of the reception carrier of microwave communication node and the microwave communication node of equity is same carrier.By the preferred embodiment, improve resource utilization.
Preferably, pre-configured leading symbol is all carried in the frame that the microwave communication node of microwave communication node and equity sends.By the preferred embodiment, improve the accuracy rate of data receiver.
Embodiment one
Present embodiments provide a kind of microwave communication data transmission, the present embodiment combines above-described embodiment and preferred implementation wherein, and method comprises:
Step 1: microwave communication node carries out synchronous and capability negotiation with peer node;
Step 2: microwave communication node starts to receive and dispatch normal frames after completing synchronous and capability negotiation;
Preferably, step 1 comprises: microwave communication node transmitting capacity negotiation request message, waits for the response of reciprocity microwave communication node; If microwave communication node receives the message for requesting capability negotiation that reciprocity microwave communication node sends, then microwave communication node is according to message for requesting capability negotiation and self-ability, determine messaging parameter, then microwave communication node sends the response message of capability negotiation comprising communications parameter information; If microwave communication node receives the response message of capability negotiation that reciprocity microwave communication node sends, then microwave communication node determination messaging parameter, transmitting capacity consults acknowledge message; If microwave communication node receives the capability negotiation acknowledge message that reciprocity microwave communication node sends, then microwave communication node starts to prepare to receive normal frames.
Preferably, before step 1, the method also comprises: microwave communication node starts or restarts or microwave communication node and peer node lock-out; Or microwave communication node starts or restarts or microwave communication node and peer node lock-out, and microwave communication node is preconfigured to be host node; Or microwave communication node be in operation wish adjustment messaging parameter; Microwave communication node and peer node lock-out comprise microwave communication node cannot correctly receive or resolve the normal frames that peer node sends;
Preferably, when microwave communication node start restart or microwave communication node and peer node lock-out time, the method comprises: by synchronization frame transmitting capacity negotiation message when microwave communication node and peer node carry out synchronous and capability negotiation; Capability negotiation message includes but not limited to message for requesting capability negotiation, response message of capability negotiation, capability negotiation acknowledge message;
It should be noted that, during by synchronization frame transmitting capacity negotiation message, system adopts the mode continuing to send.Synchronization frame only comprises the relevant message of capability negotiation and predefined training sequence, and normal frames is for transmitting data and other administrative messags;
Preferably, reception carrier and the transmission carrier frequency of microwave communication node and reciprocity microwave communication node can be same carrier, also can be different carrier frequency.
Preferably, the transmission carrier frequency of microwave communication node and the reception carrier of peer node should be same carrier.
Preferably, the reception carrier of microwave communication node and the transmission carrier frequency of peer node should be same carrier.
Preferably, all comprise pre-configured leading in the frame that microwave communication node and reciprocity microwave communication node send.
Preferably, microwave communication node transmitting capacity negotiation request message, wait for that the response of reciprocity microwave communication node comprises: including but not limited to following information in the message for requesting capability negotiation that microwave communication node sends: message for requesting capability negotiation type indicates, configuration change count, encryption and decryption configures, the configuration of automatic Modulation coding, the information such as Header compression configuration; Wherein whether configuration change count is used to indicate system capability and changes.
If microwave communication node receives the message for requesting capability negotiation that reciprocity microwave communication node sends, then microwave communication node is according to the messaging parameter of message for requesting capability negotiation and support, determine the common messaging parameter supported, the method also comprises: microwave communication node catches the synchronization frame that reciprocity microwave communication node sends, and realization is synchronous with reciprocity microwave communication node; After microwave communication node and reciprocity microwave communication node frame synchronization, resolve the capability negotiation message in microwave communication node transmission frame; If the capability negotiation message in transmission frame is message for requesting capability negotiation, microwave communication node, according to the messaging parameter supported, determines the messaging parameter with the common support of reciprocity microwave communication node.
Preferably, messaging parameter can include but not limited to: message for requesting capability negotiation type indicates, and encryption and decryption configures, the configuration of automatic Modulation coding, the information such as Header compression configuration.
Preferably, microwave communication node sends the response message of capability negotiation comprising communications parameter information and comprises: if the ability of microwave communication node and the capability negotiation of reciprocity microwave communication node ask consistent, configuration change count in the Capability negotiation request that configuration change count then in response message of capability negotiation uses reciprocity microwave communication node to send, and only comprise configuration change count information in response message of capability negotiation; If inconsistent, configuration change count basis in the Capability negotiation request that configuration change count then in the response message of capability negotiation that sends of microwave communication node sends in reciprocity microwave communication node adds one or other modes of making an appointment inform the change of the messaging parameter that reciprocity microwave communication node is supported, in addition, configure including but not limited to encryption and decryption in response message of capability negotiation, the configuration of automatic Modulation coding, the information such as Header compression configuration.
Preferably, the response message of capability negotiation that microwave communication node receives the transmission of reciprocity microwave communication node comprises: microwave communication node catches the synchronization frame that reciprocity microwave communication node sends, and realization is synchronous with reciprocity microwave communication node; After microwave communication node is synchronous with reciprocity microwave communication node, resolve the response message of capability negotiation in the synchronization frame of microwave communication node transmission.
Preferably, the response message of capability negotiation that microwave communication node is resolved in the synchronization frame of reciprocity microwave communication node transmission comprises: if the configuration change count in response message of capability negotiation is identical with the configuration change count in the Capability negotiation request that microwave communication node sends, then microwave communication node adopts the messaging parameter that self-ability is corresponding; If the configuration change count in response message of capability negotiation is different from the configuration change count in the Capability negotiation request that microwave communication node sends, then microwave communication node adopts the messaging parameter that response message of capability negotiation is corresponding.
Preferably, after microwave communication node transmitting capacity consults acknowledge message, the method also comprises: microwave communication node starts to send the normal frames comprising data and administrative messag.
Preferably, after microwave communication node receives the capability negotiation acknowledge message of reciprocity microwave communication node transmission, the method also comprises: if microwave communication node from last time start/restart/lock-out after not yet sent capability negotiation acknowledge message, then microwave communication node transmitting capacity consult acknowledge message give reciprocity microwave communication node.
Preferably, above-mentioned microwave communication node transmitting capacity is consulted acknowledge message and is comprised: according to system initial configuration, capability negotiation acknowledge message can send repeatedly continuously, informs that the other side is about to send normal frames.
Preferably, after microwave communication node completes synchronous and capability negotiation, after starting to receive and dispatch normal frames, the method comprises: after microwave communication node receives the capability negotiation acknowledge message of reciprocity microwave communication node transmission, microwave communication node starts to receive normal frames; Microwave communication node transmitting capacity consults acknowledge message to after reciprocity microwave communication node, and microwave communication node starts to send normal frames;
By the preferred embodiment, in microwave communication data transmission procedure, achieve the synchronous of microwave communication and capability negotiation, decrease the loss of Frame, thus improve the reliability of microwave communication transfer of data.
Embodiment two
Embodiment two consider microwave communication node between be equity situation, microwave communication works in fdd mode.System does not configure main and subordinate node before starting, and therefore each microwave communication node may initiatively be consulted by initiating capacity.
After microwave communication node 1 and 2 powers on, first loading system parameter (comprise it and receive/send carrier frequency and bandwidth), carries out initialization to system.Then microwave communication node 1 and 2 is sending synchronization frame carrier frequency sending continuously and comprises Capability negotiation request (SCN-REQ) message.
Suppose that microwave communication node 1 comparatively early powers on, as shown in Figure 4, microwave communication node sends SCN-REQ message on transmission carrier frequency, while attempt synchronous also receiving ability negotiate response (SCN-RSP) message in reception carrier.Microwave communication node 1 continues to send the synchronization frame comprising SCN-REQ message, until microwave communication node 1 receives SCN-RSP message.
Microwave communication node 2 is than microwave communication node 2 power-on delay, and microwave communication node 2 sends SCN-REQ message at transmitting terminal, while attempt accepting synchronization frame in reception carrier.If microwave communication node 2 first successfully receives the synchronization frame that microwave communication node 1 sends, and parse the SCN-REQ message that synchronization frame comprises, then microwave communication node 2 continues to judge whether to support the system configuration in SCN-REQ message, and the system capability info that both support jointly is returned to microwave communication node 1 by SCN-RSP message, then start Waiting Capacity and consult to confirm (SCN-ACK) message.Microwave communication node 2 continues to send the synchronization frame comprising SCN-RSP message, until microwave communication node 2 receives SCN-ACK message.
If microwave communication node 1 correctly receives SCN-RSP message, then the common system capability supported of both microwave communication node 1 parsings, then sends SCN-ACK message, is ensure reliability, SCN-ACK message likely sends repeatedly continuously, and concrete transmission times is by system initial configuration.After sending SCN-ACK message, microwave communication node 1 starts to send normal frames, and meanwhile, the receiving terminal of microwave communication node 1 waits for the SCN-ACK message that microwave communication node 2 sends.Here two-way SCN-ACK message is the original position in order to help synchronization module to judge normal frames further.
If microwave communication node 2 correctly have received SCN-ACK message, then microwave communication node 2 can start the normal normal frames received from microwave communication node 1 transmission.Meanwhile, the transmitting terminal of microwave communication node 2 sends SCN-ACK message to microwave communication node 1, and same, SCN-ACK message likely sends repeatedly continuously, and concrete transmission times is by system initial configuration.After sending SCN-ACK message, microwave communication node 2 starts to send normal frames, and now microwave communication node 2 completes the synchronous flow process of receiving and dispatching normally required for normal frames.
If microwave communication node 1 correctly have received SCN-ACK message, then microwave communication node 1 can start the normal normal frames received from microwave communication node 2 transmission, and now microwave communication node 1 also completes the synchronous flow process of receiving and dispatching normally required for normal frames.
It should be noted that, Fig. 8 is according to the microwave communication node of the embodiment of the present invention and reciprocity microwave communication node is synchronous and capability negotiation state machine, in the present embodiment microwave communication node and reciprocity microwave communication node is synchronous and capability negotiation state machine as shown in Figure 8.
Embodiment three
Embodiment three consider microwave communication node between be equity situation, microwave communication works in fdd mode.System does not configure main and subordinate node before starting, and therefore each microwave communication node may initiatively be consulted by initiating capacity.
Suppose that microwave communication node 1 and microwave communication node 2 almost power on simultaneously, and all start to continue to send SCN-REQ message on transmission carrier frequency.Meanwhile, microwave communication node 1 and microwave communication node 2 all attempt synchronous also receiving package containing the synchronization frame of capability negotiation information in reception carrier, Fig. 5 be according to the microwave communication node of the embodiment of the present invention start restart or lock-out time the synchronous and capability negotiation flow chart of scene two, as shown in Figure 5.
If microwave communication node 1 and microwave communication node 2 receive the synchronization frame that reciprocity microwave communication node sends simultaneously, and parse the SCN-REQ message that synchronization frame comprises, then microwave communication node 1 and microwave communication node 2 continue to judge whether to support the system configuration in SCN-REQ message, and the system capability info that both support jointly is returned to reciprocity microwave communication node by SCN-RSP message.Similar, the synchronization frame comprising SCN-RSP message is continued to send by microwave communication node 1 and microwave communication node 2.
If microwave communication node 1 and microwave communication node 2 almost receive the SCN-RSP message that reciprocity microwave communication node sends simultaneously, then microwave communication node 1 and microwave communication node 2 resolve both the common system capability supported, then SCN-ACK message is sent, for ensureing reliability, SCN-ACK message likely sends repeatedly continuously, and concrete transmission times is by system initial configuration.After sending SCN-ACK message, microwave communication node 1 and microwave communication node 2 start to send normal frames.
If microwave communication node 1 and microwave communication node 2 correctly have received SCN-ACK message, then microwave communication node completes and the synchronous of reciprocity microwave communication node and capability negotiation, can start to receive the normal frames sent from reciprocity microwave communication node normally.
Embodiment four
Embodiment four consider microwave communication node between be equity situation, microwave communication works in fdd mode.System does not configure main and subordinate node before starting, and therefore each microwave communication node may initiatively be consulted by initiating capacity.
After microwave communication node 1 and microwave communication node 2 power on, all start to continue to send SCN-REQ message on transmission carrier frequency.Meanwhile, microwave communication node 1 and microwave communication node 2 all attempt synchronous also receiving package containing the synchronization frame of capability negotiation information in reception carrier.
If microwave communication node 1 and microwave communication node 2 almost receive the synchronization frame that reciprocity microwave communication node sends simultaneously, Fig. 6 be according to the microwave communication node of the embodiment of the present invention start restart or lock-out time the synchronous and capability negotiation flow chart of scene three, as shown in Figure 6, and parse the SCN-REQ message that synchronization frame comprises, then microwave communication node 1 and microwave communication node 2 continue to judge whether to support the system configuration in SCN-REQ message, and the system capability info that both support jointly is returned to reciprocity microwave communication node by SCN-RSP message.Similar, the synchronization frame comprising SCN-RSP message is continued to send by microwave communication node 1 and microwave communication node 2.
If the microwave communication node 2 SCN-RSP message receiving microwave communication node 1 transmission comparatively early, the then common system capability supported of both microwave communication node 2 parsings, then SCN-ACK message is sent, for ensureing reliability, SCN-ACK message likely sends repeatedly continuously, and concrete transmission times is by system initial configuration.After sending SCN-ACK message, microwave communication node 2 starts to send normal frames.
If microwave communication node 1 correctly have received SCN-ACK message, then microwave communication node 1 can start the normal normal frames received from microwave communication node 2 transmission.Meanwhile, the transmitting terminal of microwave communication node 1 sends SCN-ACK message to microwave communication node 2, and same, SCN-ACK message likely sends repeatedly continuously, and concrete transmission times is by system initial configuration.After sending SCN-ACK message, microwave communication node 1 starts to send normal frames.
If microwave communication node 2 correctly have received SCN-ACK message, then microwave communication node 2 can start the normal normal frames received from microwave communication node 1 transmission.
Embodiment five
Embodiment five consider microwave communication node between be equity situation, microwave communication works in fdd mode.System does not configure main and subordinate node before starting, and therefore each microwave communication node may initiatively be consulted by initiating capacity.When microwave communication node 1 and microwave communication node 2 carry out synchronous and capability negotiation, microwave communication node 1 is through a series of Signalling exchange before, enter and send SCN-ACK message and normal frames, wait for the state of the SCN-ACK message that Correspondent Node sends simultaneously, Fig. 7 be according to the microwave communication node of the embodiment of the present invention start restart or lock-out time the synchronous and capability negotiation flow chart of scene four, as shown in Figure 7.Just at this moment, microwave communication node 2 power-off suddenly, powers on again afterwards at once, restarts rear microwave communication node 2 and send SCN-REQ message on transmission carrier frequency, while attempt synchronous also receiving package containing the synchronization frame of capability negotiation message in reception carrier.
If microwave communication node 2 correctly parses the synchronization frame comprising SCN-ACK message, then microwave communication node 2 directly ignores this information, and continues to send SCN-REQ message.
Microwave communication node 1 continues to send in the process of normal frames, and discovery cannot be synchronous further with microwave communication node, then microwave communication node 1 enters lock-out state, starts to continue to send SCN-REQ message.If microwave communication node 1 just directly successfully receives the synchronization frame that microwave communication node 2 sends after judging lock-out or before judging lock-out, and parse the SCN-REQ message that synchronization frame comprises, then microwave communication node 1 continues to judge whether to support the system configuration in SCN-REQ message, and the system capability info that both support jointly is returned to microwave communication node 2 by SCN-RSP message.Microwave communication node 1 continues to send the synchronization frame comprising SCN-RSP message.
If microwave communication node 2 correctly receives SCN-RSP message, then the common system capability supported of both microwave communication node 2 parsings, then sends SCN-ACK message, is ensure reliability, SCN-ACK message likely sends repeatedly continuously, and concrete transmission times is by system initial configuration.After sending SCN-ACK message, microwave communication node 2 starts to send normal frames.
If microwave communication node 1 correctly have received the SCN-ACK message that microwave communication node 2 sends, then microwave communication node 1 can start the normal normal frames received from microwave communication node 2 transmission.Meanwhile, the transmitting terminal of microwave communication node 1 sends SCN-ACK message to microwave communication node 2, and same, SCN-ACK message likely sends repeatedly continuously, and concrete transmission times is by system initial configuration.After sending SCN-ACK message, microwave communication node 1 starts to send normal frames, and now microwave communication node 2 completes the synchronous flow process of receiving and dispatching normally required for normal frames.
If microwave communication node 2 correctly have received SCN-ACK message, then microwave communication node 2 can start the normal normal frames received from microwave communication node 1 transmission, and now microwave communication node 1 also completes the synchronous flow process of receiving and dispatching normally required for normal frames.
Embodiment six
Embodiment six consider microwave communication node between be equity situation.System does not configure main and subordinate node before starting, and therefore each microwave communication node may initiatively be consulted by initiating capacity.Microwave communication may be TDD, also can be work in fdd mode.Be that microwave communication node does not send synchronization frame with the difference of embodiment two, the leading realization by means of only pre-configured normal frames is synchronous.
Microwave communication node starts or after restarting, first loading system parameter, carries out initialization to system.Then microwave communication node is sending normal frames carrier frequency sending and comprises system capability negotiation request SCN-REQ message.SCN-REQ message contains configuration change count, and encryption and decryption configures, and the configuration of automatic Modulation coding, the information such as Header compression configuration, wherein whether configuration change count is used to indicate system capability and changes.If the system capability change of microwave communication node, then configuration change count can add up and 1 to identify, if double system capability consult in concrete ability parameter do not change, then configuration change count remains unchanged.After microwave communication node have sent SCN-REQ message, reception carrier is attempted synchronous also receiving system capability negotiation response SCN-RSP message.
Equity microwave communication node starts or after restarting, equally first loading system parameter, carries out initialization to system, then sends and comprises the normal frames that system capability consults request SCN-REQ message.If reciprocity microwave communication node listens to the transmission of microwave communication joint simultaneously, then reciprocity microwave communication node attempts being completed with the synchronous of microwave communication node and the normal frames comprising SCN-REQ administrative messag receiving that microwave communication node sends by leading.Receive synchronous if reciprocity microwave communication node is successfully completed and parses the SCN-REQ message that normal frames comprises, then reciprocity microwave communication node judges whether to support the capacity scheme in SCN-REQ message, if the system capability that both support is identical, configuration change count then in SCN-RSP message continues to use the configuration change count in SCN-REQ message, otherwise, find out both common system capabilitys supported, the configuration change count of configuration change count in SCN-REQ message is added one, then by SCN-RSP message, configuration change count and ability information are returned to microwave communication node, and start waiting system capability negotiation confirmation SCN-ACK message.
Microwave communication node attempts being completed with the synchronous of reciprocity microwave communication node and the normal frames comprising SCN-RSP administrative messag receiving that microwave communication node sends by leading.Receive synchronous if microwave communication node is successfully completed and parses the SCN-RSP message that normal frames comprises, then microwave communication node determination messaging parameter, sends SCN-ACK message.
If reciprocity microwave communication node correctly have received SCN-ACK message, then microwave communication node and reciprocity microwave communication node complete bi-directional synchronization and capability negotiation, can start normal transceiving data frame.
Embodiment seven
Embodiment seven have also contemplated that microwave communication node between be equity situation.System does not configure main and subordinate node before starting, and therefore each microwave communication node may initiatively be consulted by initiating capacity.Microwave communication may be TDD, also can be work in fdd mode.Be that microwave communication node is not starting or rebooting status with the difference of embodiment two, but find and reciprocity microwave node lock-out in system cloud gray model.
If microwave communication node has dropped to QPSK 1/2 to modulation coding mode in system operation, but still occur that the error rate exceeds predetermined threshold, then microwave communication node thinks that lock-out appears in system, as the process that microwave communication node 1 communicates with microwave communication node 2, microwave communication node 2 find cannot synchronous with microwave communication node 1 on, then microwave communication node 2 enters capability negotiation stage, after being sent by present frame, gets started the transmission of synchronization frame.The situation of lock-out is identical when just starting with system or restart.Microwave communication node 2 is sending synchronization frame carrier frequency sending and comprises SCN-REQ message, and in reception carrier, attempts synchronous also receiving package containing the synchronization frame of SCN-RSP message.Microwave communication node 2 continues to send the synchronization frame comprising SCN-REQ message, until microwave communication node 1 receives SCN-RSP message.
What corresponding microwave communication node 1 thought that microwave communication node 2 sends is still normal frames, and resolve synchronization frame according to the form of normal frames, cause parsing to make mistakes, after continuous some frames, can think cannot synchronous with microwave communication node 2 on, enter synchronous and capability negotiation stage.Now, microwave communication node 1 stops the transmission of normal frames, then sends the synchronization frame comprising SCN-REQ message at once.If microwave communication node 1 can receive the SCN-REQ message that microwave communication node 2 sends, then the system capability info that both support jointly is returned to microwave communication node 2 by the synchronization frame comprising SCN-RSP message by microwave communication node 1, then starts to wait for SCN-ACK message.
Microwave communication node 1 continues to send the synchronization frame comprising SCN-RSP message, until microwave communication node 1 receives SCN-ACK message.If microwave communication node 1 correctly have received SCN-ACK message, then microwave communication node 1 sends SCN-ACK message to microwave communication node 2, now microwave communication node 1 completes the synchronous and capability negotiation from microwave communication node 2 to microwave communication node 1, then microwave communication node 1 can start to receive and dispatch normal frames.
If microwave communication node 2 receives SCN-RSP message, then transmission comprises the synchronization frame of SCN-ACK message to microwave communication node 1, then the transmission of normal frames is restarted, simultaneously, microwave communication node 2 waits for the SCN-ACK message that microwave communication node 1 sends, if microwave communication node 2 correctly have received SCN-ACK message, then complete the synchronous and capability negotiation from microwave communication node 1 to microwave communication node 2, then microwave communication node 2 can start to receive normal frames.
Embodiment eight
Embodiment eight consider microwave communication node between not reciprocity situation.System is configured with main and subordinate node before starting, and only has microwave communication host node energy initiating capacity to consult.Microwave communication may be TDD, also can be work in fdd mode.
Microwave communication host node starts or after restarting, first loading system parameter, carries out initialization to system, is then sending synchronization frame carrier frequency comprising system capability negotiation request SCN-REQ message.After microwave communication node have sent SCN-REQ message, reception carrier is attempted synchronous also receiving system capability negotiation response SCN-RSP message.
Microwave communication is from node startup or after restarting, equally first, loading system parameter, initialization is carried out to system, then the synchronization frame receiving the transmission of microwave communication host node is attempted, carry out synchronous by synchronization frame with microwave communication node, Fig. 7 be according to the microwave communication node of the embodiment of the present invention start restart or lock-out time the synchronous and capability negotiation flow chart of scene four, as shown in Figure 7.If microwave communication is successfully completed synchronous from node and parses the message that synchronization frame comprises SCN-REQ, then microwave communication judges whether to support the capacity scheme SCN-REQ message from node, if the system capability that both support is identical, configuration change count then in SCN-RSP message continues to use the configuration change count in SCN-REQ message, otherwise, find out both common system capabilitys supported, the configuration change count of configuration change count in SCN-REQ message is added one, then by SCN-RSP message, configuration change count and the common ability information supported are returned to microwave communication host node, and start waiting system capability negotiation confirmation SCN-ACK message.
Microwave communication host node is attempted being completed with microwave communication from the synchronous of node by synchronization frame and is resolved the SCN-RSP administrative messag that microwave communication comprises from the synchronization frame that node sends.Receive synchronous if microwave communication host node is successfully completed and parses SCN-RSP message, then microwave communication host node determination messaging parameter, sending SCN-ACK message.
If microwave communication correctly have received SCN-ACK message from node, then microwave communication host node and microwave communication complete bi-directional synchronization and capability negotiation from node, can start normal transceiving data frame.
In addition, if microwave communication node finds lock-out in system operation, also synchronous and capability negotiation can be completed with reference to above-mentioned flow process.
It should be noted that, Fig. 9 is state machine that is synchronous according to the microwave communication host node of the embodiment of the present invention and capability negotiation, and in the present embodiment, the synchronous and capability negotiation state machine of microwave communication host node as shown in Figure 9.Figure 10 is according to the microwave communication of the embodiment of the present invention state machine from synchronisation of nodes and capability negotiation, and in the present embodiment, microwave communication from synchronisation of nodes and capability negotiation state machine as shown in Figure 10.
Embodiment nine
Embodiment nine consider microwave communication node between not reciprocity situation.System is configured with main and subordinate node before starting, and only has microwave communication host node energy initiating capacity to consult.Microwave communication may be TDD, also can be work in fdd mode.But with embodiment six unlike, system does not send synchronization frame, completes synchronous by means of only normal frames leading comprising SCN-REQ and SCN-RSP message.
Embodiment ten
If microwave communication node wishes to carry out system capability change when system cloud gray model, then microwave communication node can continue to use the flow chart shown in Figure 11, carries out the change of system capability.With initial synchronisation compared with capability negotiation procedure, between system capability conversion period, microwave communication node between do not send Frame.But when initial synchronisation and capability negotiation, likely send synchronization frame, and between system capability conversion period, can not synchronization frame be sent.
Present embodiments provide a kind of microwave communication node, Figure 12 is the structured flowchart of the microwave communication node according to the embodiment of the present invention, as shown in figure 12, this microwave communication node comprises: processing module 122 and data transmission module 124, be described in detail said structure below:
Processing module 122, the microwave communication node for the microwave communication node equity with its place carries out synchronous and capability negotiation, and wherein, the microwave communication node at its place communicates in a microwave communication network with the microwave communication node of equity; Data transmission module 124, be connected to processing module 122, microwave communication node for the microwave communication node at its place and equity processes synchronously in processing module 122 and after capability negotiation, uses the capability negotiation of processing module 122 to operate the microwave communication parameter determined and carry out transfer of data.
Figure 13 is the preferred structured flowchart of the microwave communication node according to the embodiment of the present invention, processing module 122 comprises: preferably, processing module comprises: first sends submodule 1222, determine submodule 1224, second sends submodule 1226, receive submodule 1228, data transmission module 124 comprises: transmission submodule 1244, microwave communication node also comprises parameter determination module 132 and sending module 134, parameter determination module 132 comprises: first judges submodule 1322, first process submodule 1324, second process submodule 1326, below said structure is described in detail:
Processing module 122 comprises: first sends submodule 1222, for the microwave communication node transmitting capacity negotiation request message to equity; Determine submodule 1224, the message for requesting capability negotiation for the microwave communication parameter supported according to self and the microwave communication node from equity received determines the common microwave communication parameter supported; Second sends submodule 1226, is connected to and determines submodule 1224, sends to the microwave communication node of equity for sending the Capability negotiation request response message carrying the microwave communication parameter determining the common support that submodule 1224 is determined; Receive submodule 1228, for after receiving response message of capability negotiation, transmitting capacity consults acknowledge message.
First sends submodule 1222 by synchronization frame transmitting capacity negotiation request message, wherein, synchronization frame comprises: the information that capability negotiation is relevant and predefined training sequence, capability negotiation relevant information comprise following one of at least: the instruction of message for requesting capability negotiation type, configuration change count, encryption and decryption configuration, the configuration of automatic Modulation coding, Header compression configure.
Determine that submodule 1224 comprises: judging unit, whether consistent with the microwave communication parameter that the message for requesting capability negotiation received is asked for judging the microwave communication parameter self supported; First processing unit, is connected to the first judging unit, and during for the judged result of judging unit for being, microwave communication node determines that the configuration change count in the common microwave communication parameter supported is the configuration change count in message for requesting capability negotiation; Second processing unit, is connected to judging unit, for adopting predetermined way determination configuration change count when the judged result of judging unit is no.
Data transmission module 124 comprises: transmission submodule 1244, after receiving capability negotiation acknowledge message, carries out transfer of data according to the common microwave communication parameter supported.
Microwave communication node also comprises: parameter determination module 132, for determining that the Capability negotiation request response message received determines the common microwave communication parameter supported.
Parameter determination module 132 comprises: first judges submodule 1322, and the microwave communication node for equity judges that whether the configuration change count in the Capability negotiation request response message received is identical with the configuration change count in the message for requesting capability negotiation of its transmission; First process submodule 1324, be connected to the first judgement submodule 1322, when judging the judged result of submodule 1322 as being for first, the microwave communication parameter determining in Capability negotiation request response message is that the microwave communication parameter in message for requesting capability negotiation is consistent, and be the microwave communication parameter of common support; Second process submodule 1326, be connected to the first judgement submodule 1322, when judging that the judged result of submodule 1322 is no for first, determine that himself Microwave Treatment parameter of reciprocity microwave communication node is the microwave communication parameter in response message of capability negotiation, and be the common microwave communication parameter supported.
Pass through above-described embodiment, provide a kind of microwave communication data processing method and microwave communication node, by before microwave communication communication data transfer starts, synchronous and capability negotiation is carried out with reciprocity microwave communication node, microwave communication transfer of data is carried out according to the parameter determined, solve the microwave communication data transmission solved in correlation technique, can cause receiving terminal cannot correct receiving data frames, thus cause the problem of microwave communication Reliability comparotive difference, and then reach the effect improving microwave communication reliability.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus they storages can be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (18)

1. a microwave communication data transmission, is characterized in that, comprising:
Microwave communication node is to the microwave communication node continuous several times transmitting capacity negotiation request message of equity;
The microwave communication node of described equity determines the common microwave communication parameter supported according to the microwave communication parameter self supported and the message for requesting capability negotiation from described microwave communication node received;
The response message of capability negotiation of the described microwave communication parameter carrying described common support is sent to described microwave communication node by the microwave communication node of described equity;
Described microwave communication node, after receiving described response message of capability negotiation, stops sending described message for requesting capability negotiation, and the microwave communication node transmitting capacity to described equity consults acknowledge message;
Use capability negotiation to operate the microwave communication parameter determined and carry out transfer of data;
Wherein, microwave communication node comprises to the microwave communication node continuous several times transmitting capacity negotiation request message of equity:
Described microwave communication node sends described message for requesting capability negotiation by synchronization frame.
2. method according to claim 1, it is characterized in that, described synchronization frame comprises: the information that capability negotiation is relevant and predefined training sequence, described capability negotiation relevant information comprise following one of at least: the instruction of message for requesting capability negotiation type, configuration change count, encryption and decryption configuration, the configuration of automatic Modulation coding, Header compression configure.
3. method according to claim 2, it is characterized in that, according to the message for requesting capability negotiation of the microwave communication parameter self supported and the microwave communication node from described equity received, described microwave communication node determines that the common microwave communication parameter supported comprises:
Described microwave communication node judges that whether the microwave communication parameter that the described microwave communication parameter self supported and the described message for requesting capability negotiation received are asked is consistent;
If judged result is yes, described microwave communication node determines that the configuration change count in the microwave communication parameter of described common support is the configuration change count in described message for requesting capability negotiation;
Otherwise described microwave communication node adopts pre-defined algorithm to determine described configuration change count.
4. method according to claim 2, is characterized in that, the microwave communication node of described microwave communication node and described equity, after synchronous and capability negotiation, uses described capability negotiation to operate the microwave communication parameter determined and carries out transfer of data and comprise:
After described microwave communication node receives described capability negotiation acknowledge message, the microwave communication parameter of described common support is used to carry out transfer of data.
5. method according to claim 1, is characterized in that, before described microwave communication node receives the capability negotiation acknowledge message from the microwave communication node of described equity, also comprises:
The microwave communication node of described equity determines the microwave communication parameter of described common support according to the described response message of capability negotiation received, and sends described capability negotiation acknowledge message.
6. method according to claim 5, is characterized in that, according to the described response message of capability negotiation received, the microwave communication node of described equity determines that the microwave communication parameter of described common support comprises:
The microwave communication node of described equity judges that whether the configuration change count in the described response message of capability negotiation received is identical with the described configuration change count in the message for requesting capability negotiation of its transmission;
If judged result is yes, the described microwave communication parameter determining in described response message of capability negotiation is that the microwave communication parameter in described message for requesting capability negotiation is consistent, and is the microwave communication parameter of described common support;
Otherwise, determine that himself the described microwave communication parameter of microwave communication node of described equity is the described microwave communication parameter in described response message of capability negotiation, and be the microwave communication parameter of described common support.
7. method according to claim 1, is characterized in that, microwave communication node continuous several times transmitting capacity negotiation request message from microwave communication node to equity before, also comprise:
Described microwave communication node determines that it starts, restart or the microwave communication node of itself and described equity is in lock-out state, wherein, the microwave communication node of described microwave communication node and described equity is in lock-out state and comprises: described microwave communication node cannot correctly receive or resolve the data that described peer node sends; Or
Described microwave communication node adjustment microwave communication parameter.
8. the method according to any one of claim 1-6, is characterized in that,
Described response message of capability negotiation and/or described capability negotiation acknowledge message continuous several times send.
9. the method according to any one of claim 1-6, is characterized in that,
Reception carrier and the transmission carrier frequency of the microwave communication node of described microwave communication node and described equity are same carrier or different carrier frequency.
10. the method according to any one of claim 1-6, is characterized in that,
The reception carrier of the transmission carrier frequency of described microwave communication node and the microwave communication node of described equity is same carrier.
11. methods according to any one of claim 1-6, is characterized in that,
The transmission carrier frequency of the reception carrier of described microwave communication node and the microwave communication node of described equity is same carrier.
12. methods according to any one of claim 1-6, is characterized in that,
Pre-configured leading symbol is all carried in the frame of the microwave communication node transmission of described microwave communication node and described equity.
13. 1 kinds of microwave communication node, is characterized in that, comprising: processing module and data transmission module,
Described processing module comprises:
First sends submodule, for the microwave communication node continuous several times transmitting capacity negotiation request message to equity;
Determine submodule, determine the common microwave communication parameter supported for the described microwave communication parameter supported according to self and the message for requesting capability negotiation received;
Second sends submodule, for sending the response message of capability negotiation of the described microwave communication parameter carrying described common support;
Receive submodule, for after receiving response message of capability negotiation, stop sending described message for requesting capability negotiation, transmitting capacity consults acknowledge message;
Described data transmission module, for after described reception submodule sends described capability negotiation acknowledge message, uses capability negotiation to operate the microwave communication parameter determined and carries out transfer of data;
Wherein, described first transmission submodule sends described message for requesting capability negotiation by synchronization frame.
14. microwave communication node according to claim 13, it is characterized in that, described synchronization frame comprises: the information that capability negotiation is relevant and predefined training sequence, described capability negotiation relevant information comprise following one of at least: the instruction of message for requesting capability negotiation type, configuration change count, encryption and decryption configuration, the configuration of automatic Modulation coding, Header compression configure.
15. microwave communication node according to claim 14, is characterized in that, describedly determine that submodule comprises:
Judging unit, whether consistent for judging the microwave communication parameter that the described microwave communication parameter self supported and the described Capability negotiation request received are asked;
First processing unit, during for the judged result of described judging unit for being, described microwave communication node determines that the configuration change count in the microwave communication parameter of described common support is the configuration change count in described negotiation request message;
Second processing unit, determines described configuration change count for adopting pre-defined algorithm when the judged result of described judging unit is no.
16. microwave communication node according to claim 14, is characterized in that, described data transmission module comprises:
Transmission submodule, after receiving described capability negotiation acknowledge message, the microwave communication parameter according to described common support carries out transfer of data.
17. microwave communication node according to claim 13, is characterized in that, also comprise:
Parameter determination module, for determining that the described response message of capability negotiation received determines the microwave communication parameter of described common support;
Sending module, for sending described capability negotiation acknowledge message.
18. microwave communication node according to claim 17, is characterized in that, described parameter determination module comprises:
First judges submodule, judges that whether the configuration change count in the described response message of capability negotiation received is identical with the described configuration change count in the message for requesting capability negotiation of its transmission for described microwave communication node;
First process submodule, when judging the judged result of submodule as being for described first, the described microwave communication parameter determining in described response message of capability negotiation is that the microwave communication parameter in described message for requesting capability negotiation is consistent, and is the microwave communication parameter of described common support;
Second process submodule, when judging that the judged result of submodule is no for described first, determine that himself described microwave communication parameter of described microwave communication node is the microwave communication parameter in described response message of capability negotiation, and be the microwave communication parameter of described common support.
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