CN106789737B - A kind of command link communication programming method and system ensureing emergency system - Google Patents
A kind of command link communication programming method and system ensureing emergency system Download PDFInfo
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- CN106789737B CN106789737B CN201611261905.XA CN201611261905A CN106789737B CN 106789737 B CN106789737 B CN 106789737B CN 201611261905 A CN201611261905 A CN 201611261905A CN 106789737 B CN106789737 B CN 106789737B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/62—Queue scheduling characterised by scheduling criteria
- H04L47/6215—Individual queue per QOS, rate or priority
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/62—Queue scheduling characterised by scheduling criteria
- H04L47/625—Queue scheduling characterised by scheduling criteria for service slots or service orders
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/62—Queue scheduling characterised by scheduling criteria
- H04L47/625—Queue scheduling characterised by scheduling criteria for service slots or service orders
- H04L47/6255—Queue scheduling characterised by scheduling criteria for service slots or service orders queue load conditions, e.g. longest queue first
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/62—Queue scheduling characterised by scheduling criteria
- H04L47/625—Queue scheduling characterised by scheduling criteria for service slots or service orders
- H04L47/626—Queue scheduling characterised by scheduling criteria for service slots or service orders channel conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/72—Admission control; Resource allocation using reservation actions during connection setup
- H04L47/726—Reserving resources in multiple paths to be used simultaneously
- H04L47/728—Reserving resources in multiple paths to be used simultaneously for backup paths
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The present invention provides a kind of command link communication programming method and system for ensureing emergency system, including at least one level-one control centre, several sectional centers and its several three class control centers connected by wire link with Radio Link；Three class control center sends the first communication link message to sectional center and wireless base station by its different port, and wireless base station forwards the first communication link message to level-one control centre and sectional center by its different port；Sectional center forwards mark according to the port in the first communication link message received, sets uplink for the path of the port forwarding mark of same media, and select main communication link and backup communication link according to the link-quality of uplink；When link down occurs in main communication link, the selected backup communication link in three class control center is as communication link, data transmission credibility and real-time when the data that ensure that equipment transmission are control command.
Description
Technical field
It is communicated the present invention relates to the multi-channel redundant communications field more particularly to a kind of command link for ensureing emergency system
Method and system.
Background technique
Currently, multichannel fusion can solve the need that multi-channel redundant backup communication channels preferentially select with control equipment
It asks.By presetting, can the priority to different channels access interface demarcate in advance, equipment pass through heartbeat message pair
The signal intelligence of each link is detected, and in the normal situation of the channel communication of optimum link, equipment will be by optimal
Link carries out data forwarding, and when finding that optimum link disconnects, the link that it is good that equipment will select channel is forwarded, and is passed through
The suboptimum link of the setting selection of priority at this time；When optimum link restore communication in the case where, equipment can to link on-off into
Row detection, detection by rear equipment will switchback to optimum link equipment is forwarded, thus reach the preferred purpose of link.
Namely as shown in Figure 1, the conversion of equipment room multi-way contral is mainly that (1) is obtained in multiple transmission channels by redundant control module
Loss information of the data flow in transmission process in each transmission channel, (2) determine each transmission according to the loss information
The transmission state information in channel；(3) it is selected to carry out data stream transmitting according to the transmission state information of each transmission channel
Primary transmission channel, by the primary transmission channel come transmitting data stream.
The major defect of the technical solution is:
All link detecting, switching and loop storm obstructions are all by between individual equipment in system either equipment
Make after link state notification is negotiated, the equipment that the program requires whole system all itself there is link detecting and network to fall
Function is changed, the requirement of individual equipment integrated functionality is very high, makes more importantly individual equipment is based only on itself link state
Link switching judgement, is not based on the judgement of the link-quality of whole system, causes the multi-channel redundant of system to cooperate inadequate, from
And the network topology structure for resulting in whole system is not to optimize.
The prior art determines the priority of data stream transmitting channel selecting by monitoring the data flow Loss Rate in each channel
Not, this method can not select preliminary setting data transmission channel.Such as: when channel transmission data Loss Rate is close, Redundant Control
Module selects the smallest channel of Loss Rate as transmission channel, and the channel is not preset channel, once predetermined set
The data loss rate in channel becomes smaller, and data transmission channel is inevitable to be switched again, the result switched will cause data loss or
Person is the real-time decline of data transmission, when the data of especially equipment transmission are control command, data transmission credibility and reality
When sex expression obtain it is particularly important.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind
State a kind of command link communication programming method and system of guarantee emergency system of problem.
The present invention provides a kind of command link communication programming method for ensureing emergency system, and the implementation method is applied to
It is connected including at least one level-one control centre, several sectional centers and its by wire link with Radio Link several
The emergency system at three class control center, wherein the Radio Link is connected by wireless base station；
The three class control center sends the first communication link to sectional center and wireless base station by its different port
Road message, the wireless base station forward first communication to level-one control centre and sectional center by its different port
Link packet；
The sectional center forwards mark according to the port in the first communication link message received, by phase
Path with the port forwarding mark of medium is set as uplink, and selected main logical according to the link-quality of the uplink
Fast link and backup communication link；
It is described when link down occurs in the main communication link at three class control center and sectional center connected to it
Backup communication link is selected as communication link in three class control center.
The three class control center sends the first communication link to sectional center and wireless base station by its different port
Before the message of the road and wireless base station is by its different port to described in level-one control centre and sectional center forwarding
Before first communication link message, further includes:
The three class control center and wireless base station are according to the connection chain of the port for sending the first communication link message
The type on road indicates to the first communication link message addition port forwarding.
Optionally, the command link communication programming method provided by the invention for ensureing emergency system, further includes:
Sectional center sends the second communication link report to level-one control centre and wireless base station by its different port
Text, the level-one control centre and wireless base station to other sectional centers and/or forward level-one control by its different port
Center processed forwards the second communication link message；
The sectional center forwards mark according to the port in the second communication link message received, by phase
Link setting with port forwarding mark is same medium link, and selects one for communication link.
Optionally, the command link communication programming method provided by the invention for ensureing emergency system, further includes:
When the wire link being connect with level-one control centre when sectional center interrupts, the sectional center to its
The wireless base station of connection sends the second communication link message, forwards wireless base station and the level-one control of the second communication link message
Center processed receives other second levels of the second communication link message to the second communication link message addition port forwarding mark
Control centre selects according to the port forwarding mark statistics hop count of the second communication link message according to the hop count
Select the communication link between sectional center.
Wherein, the communication link between the sectional center is not limited to the link of same media.
The present invention provides a kind of command link communication programming system for ensureing emergency system, and the realization system is for wrapping
Include at least one level-one control centre, several sectional centers and its connected by wire link with Radio Link several three
The emergency system of grade control centre, wherein the Radio Link is connected by wireless base station, in which:
The three class control center sends the first communication link to sectional center and wireless base station for different port
Message；And when link down occurs in the main communication link of itself and sectional center connected to it, it is logical to select backup
Link is interrogated as communication link；
The wireless base station, for forwarding described first to level-one control centre and sectional center by different port
Communication link message；
The sectional center, for according to the port forwarding mark in the first communication link message received
The path of the port forwarding mark of same media is set uplink by will, and according to the link-quality of the uplink
Select main communication link and backup communication link.
Preferably, the three class control center or the wireless base station are specifically used for according to transmission first communication
The type of the connecting link of the different port of link packet indicates to the first communication link message addition port forwarding.
Preferably, the sectional center, for being sent by different port to level-one control centre and wireless base station
Second communication link message；Mark is forwarded according to the port in the second communication link message received, by identical port
The link setting of forwarding mark is same medium link, and selects one for communication link；
The level-one control centre, for forwarding second communication link to other sectional centers by different port
Road message；
The wireless base station, for being forwarded by different port to other sectional centers and/or level-one control centre
The second communication link message.
Preferably, the sectional center is also used to interrupt when the wire link itself connecting with level-one control centre
When, the second communication link message is sent to the wireless base station connecting with itself；
The wireless base station or the level-one control centre, be also used to when forwarding the second communication link message to
Second communication link message addition port forwarding mark, so as to receive other Two-stage controls of the second communication link message
Center selects two according to the hop count according to the port forwarding mark statistics hop count of the second communication link message
Communication link between grade control centre.
Wherein, the communication link between the sectional center is not limited to the link of same media.
The present invention relates to a kind of command link communication programming method and system for ensureing emergency system, the implementation methods
It is connected applied to including at least one level-one control centre, several sectional centers and its by wire link with Radio Link
Several three class control centers emergency system, wherein the Radio Link pass through wireless base station connect；In the three class control
The heart sends the first communication link message to sectional center and wireless base station by its different port, and the wireless base station passes through
Its different port forwards the first communication link message to level-one control centre and sectional center；In the Two-stage control
The heart forwards mark according to the port in the first communication link message received, by the port forwarding mark of same media
Path is set as uplink, and selectes main communication link and backup communication link according to the link-quality of the uplink；
When link down occurs in the main communication link at sectional center three class control center connected to it, in the three class control
The selected backup communication link of the heart is as communication link, the data transmission credibility when data that ensure that equipment transmission are control command
And real-time.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is existing multi-channel redundant backup communication structural block diagram；
Fig. 2 is a kind of uplink communication programming method flow for ensureing emergency system provided in an embodiment of the present invention
Figure；
Communication process flow chart of the Fig. 3 between sectional center provided by the embodiment；
Fig. 4 is a kind of structural schematic diagram of command link communication for ensureing emergency system provided in an embodiment of the present invention；
Fig. 5 is that a kind of uplink communication programming method for ensureing emergency system provided in an embodiment of the present invention proposes
Realize system construction drawing.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Below with reference to attached drawing is illustrated, the embodiment of the present invention is illustrated.
Fig. 2 is a kind of command link communication programming method flow for ensureing emergency system provided in an embodiment of the present invention
Figure, a kind of command link communication programming method ensureing emergency system provided in an embodiment of the present invention, emergency system here
It is connected including at least one level-one control centre, several sectional centers and its by wire link with Radio Link several
Three class control center, wherein the Radio Link is connected by wireless base station；Wherein, three class control center can be terminal.
Specifically, the emergency system in the present embodiment here includes at least one level-one control centre, several Two-stage controls
Center and its several three class control centers connected by wire link with Radio Link, wherein the Radio Link passes through wirelessly
Base station connection.In general, level-one control centre is connected by wire link and several sectional centers in a set of emergency system
It connects, three class control center is directly connected to secondary by wire link and refers to device, and three class control center can also pass through Radio Link
Wireless base station is connected, wireless base station connects sectional center or wireless base station by Radio Link and connects by wire link
Level-one control centre is met, second unit is connected by wire link by level-one control centre, and is generally passed through between wireless base station
Radio Link.
As shown in Fig. 2, a kind of command link communication programming method for ensureing emergency system provided in an embodiment of the present invention
It may comprise steps of:
S201, three class control center send the first communication link to sectional center and wireless base station by its different port
Road message, the wireless base station forward first communication to level-one control centre and sectional center by its different port
Link packet；
Specifically, the communication between three class control center and sectional center can pass through wire link and Radio Link
It completes, either wire link and Radio Link, is all that the first communication link report is sent by its port by three class control center
Text, what each port represent connecting link is that wirelessly or non-wirelessly, each message requires when sending by port in message
Middle addition port forwarding mark, port forwarding mark are exactly to represent link attribute, that is, wirelessly or non-wirelessly link.Similarly,
Also there is the port of different link attributes in wireless base station, and one the first communication link message Shi Douhui of each forwarding adds in the message
Add port forwarding mark.
S202, the sectional center forward mark according to the port in the first communication link message received
The path of the port forwarding mark of same media is set uplink by will, and according to the link-quality of the uplink
Select main communication link and backup communication link；
Specifically, finally, sectional center is forwarded according to the port in the first communication link message received
Mark, using Radio Link or wire link as uplink, and it is each according to being collected into the first communication link message
The link-quality of the link of port connection elects main communication link and backup communication link, it is however generally that, the chain of wire link
Road quality it is relatively high and as main communication link, and Radio Link is used as backup communication link.Three class control center and second level control
The link based on same medium is just established between center processed, it is mutually isolated between each link, it works in main communication link
When, backup communication link does not work.
S203, when there is link down in the main communication link at sectional center three class control center connected to it,
Backup communication link is selected as communication link in the three class control center.
Specifically, when the main communication link at sectional center three class control center connected to it breaks down, example
When such as interrupting the problem of can not communicating, three class control center transmits the message of subsequent transmission by backup communication link.
In order to accurately describe the communication link establishment process of same medium, in embodiments of the present invention, the three-level control
Center processed sends the first communication link message, the wireless base station to sectional center and wireless base station by its different port
Forwarding the first communication link message to level-one control centre and sectional center by its different port includes: described three
Grade control centre and wireless base station add end to the first communication link message according to the type of the connecting link of the different port
Mouth forwarding mark.Wherein, if send the first communication link message by wire link, corresponding sending port medium is to have
Line medium, corresponding port send the first communication link in add cable port mark, if by Radio Link transmission first
When communication link message, corresponding sending port medium is wireless medium, is added in the first communication link that corresponding port is sent
Radio port mark.
Specifically, when establishing link between three class control center and sectional center, the first communication link message
Effect is the link-quality for collecting port forwarding mark and each port connecting link by the addition of each port.Port forwarding
Mark and link-quality are used to establish same medium link and master backup link by sectional center judgement.
In order to accurately describe the communication process between sectional center, in embodiments of the present invention, Fig. 3 is this implementation
Communication process flow chart between the sectional center mentioned, comprising:
S301, sectional center send the second communication link to level-one control centre and wireless base station by its different port
Road message；
Specifically, sectional center is also to send the second communication link message by its port, and different ports is used for
Port forwarding mark is added, the second communication link message here is different from the first communication link message, the second communication link report
Text is for establishing the communication link between sectional center.
S302, the level-one control centre and wireless base station by its different port to other sectional centers and/or
Level-one control centre forwards the second communication link message；
Specifically, level-one control centre and wireless base station are also by the purpose that its port forwards the second communication link message
Add port forwarding mark.
S303, the sectional center forward mark according to the port in the second communication link message received
Will, the link setting by identical port forwarding mark is same medium link, and selects one for communication link.
Specifically, the link setting of identical port forwarding mark is same medium link by sectional center, and is selected
One is communication link, it is however generally that, since sectional center connects other sectional centers by level-one control centre,
Wire link is used between sectional center and level-one control centre, therefore, is controlled between sectional center by level-one
It is same medium link that communication link is established at center；And wire link is generally used between wireless base station and level-one control centre,
Wireless base station and sectional center use Radio Link, thus the communication established between sectional center by wireless base station
Link cannot form same medium link, therefore, generally using wire link as communication link between sectional center.
In order to accurately describe the communication when wire link that sectional center is connect with level-one control centre interrupts
Journey, in embodiments of the present invention, the wireless base station that the sectional center is connected to it send the second communication link message, turn
The wireless base station for sending out the second communication link message described and level-one control centre add port to the second communication link message
Forwarding mark, receives other sectional centers of the second communication link message according to the end of the second communication link message
Mouth forwarding mark statistics hop count, selects the communication link between sectional center according to the hop count.
Specifically, the second communication link message is for the link establishment between sectional center, sectional center to
Its wireless base station connected sends the second communication link message, receives the wireless base station and level-one of the second communication link message
Control centre's forwarding mark in addition port when forwarding by its port, final other sectional centers are according to the second communication link
The port forwarding mark statistics hop count of road message, selects communication link, that is, most short link conduct according to hop count
Communication link, at this point, there is between Radio Link, that is, sectional center existing wire link in most short link here again
Communication link be not limited to the link of same media.
Below with reference to a specific embodiment, above-mentioned implementation process of the invention is illustrated.
Fig. 4 is a kind of structural schematic diagram of command link communication for ensureing emergency system provided in an embodiment of the present invention, packet
Include 1 level-one control centre, 3 sectional centers and its 6 three class controls connected by wire link with Radio Link
Center.
By taking the establishment process of the communication link between three class control center 1 and sectional center 1 as an example,
Three class control center 1 sends the first communication link message to sectional center 1 and wireless base station 1, and according to hair
The port medium of the first communication link message is sent to add forwarding mark in port in the first communication link message that corresponding port is sent
Will, for example, by wire link connection (in Fig. 4 indicated by the solid line) between three class control center 1 and sectional center 1, then
Cable port mark is being added into the first communication link message that sectional center 1 is sent by wire link port；And
(being represented by dashed line in Fig. 4) is connected by Radio Link between three class control center 1 and wireless base station 1, then is passing through radio chains
Road port adds radio port mark into the first communication link message that wireless base station 1 is sent；Equally, wireless base station 1 to
When sectional center 1 forwards the first communication link message, it is also desirable in the first communication link message that corresponding port is sent
Middle addition port forwarding mark, as shown in figure 4, being connected between wireless base station 1 and sectional center 1 by Radio Link, nothing
Radio port mark is added wherein when forwarding the first communication link message to sectional center 1 in line base station 1.Most it is followed by
The sectional center 1 for receiving the first communication link message forwards mark to establish wire link or Radio Link according to port
Same medium link, whens the two antenna efficiencies is isolation.Normally due to the link-quality of wire link is high, it will selected
Select main communication link, and Radio Link is used as backup communication link, certainly, link-quality height cannot be only only in accordance with medium category
Depending on property, need according to actual link quality conditions.
When the wire link between three class control center 1 and sectional center 1 interrupts, three class control center 1 will lead to
It interrogates on link switching to backup communication link.
Similarly, the communication establishment process between other three class control centers and sectional center is also in this way, here not
It repeats again.
By taking the communication establishment process of sectional center 1 and sectional center 3 as an example.
Sectional center 1 sends the second communication link report to level-one control centre 1 and wireless base station 1 by its port
Text, and forwarding mark in port is added according to port medium when sending；When the port of level-one control centre 1 and wireless base station 1 forwards
Also according to the medium addition port forwarding mark for sending message port, sectional center 3 forwards mark by phase according to port
Link setting with medium is uplink, for example, 1 → sectional center of sectional center 1 → level-one control centre 3
Link is the wire link of same medium, is finally used as communication link, and 1 → wireless base station of sectional center 1 → wireless base
Standing in 2 → wireless base station, 3 → sectional center 3 is Radio Link, but due to usual wire link communication quality due to
Therefore wireless link circuitry quality preferentially selects preferential link as communication link in the present invention；And sectional center 1
It both include wired chain in → level-one control centre → 1 → wireless base station of wireless base station, 2 → wireless base station, 3 → sectional center 3
Road, and include Radio Link, it according to embodiments of the present invention will be not as communication link.
When the wire link between sectional center 1 and level-one control centre interrupts, sectional center 1 is to wireless
Base station 1 sends the second communication link message, adds end according to port medium when equally sending and forward the second communication link message
Mouth forwarding mark, sectional center 3 forwards mark to count hop count according to port, and is selected according to the hop count
Communication link between sectional center 1 and 3, wherein link includes: 1 → wireless base station of sectional center 1 → wireless base
It stands 2 → wireless base station, 3 → sectional center 3,1 → wireless base station of sectional center, 1 → level-one control centre → second level control
Center 3 processed can be used as communication link since the hop count of Article 2 link is minimum, and hop count represents upload number less
According to when occupy the command link between level-one control centre and wireless base station a possibility that reducing.
Due to using most short link as communication link at this time, and it is not limited to same medium as communication link, finally really
Command link is protected at least to be occupied.It can be seen that the wire link between some sectional center and level-one control centre
When interruption, wireless base station and it is at different levels control middle line forward the sectional center issue the second communication link message when according to
Port medium adds port forwarding mark, allows the sectional center for receiving the second communication link message according to port
Forwarding mark statistics hop count, thereby determines that most short communication link, so that the communication link determined is optimal.
Based on a kind of above-mentioned realization system that the command link communication programming method for ensureing emergency system proposes, Fig. 5 is
A kind of realization system construction drawing that the command link communication programming method ensureing emergency system proposes, the realization system are used for
It is connected including at least one level-one control centre, several sectional centers and its by wire link with Radio Link several
The emergency system at three class control center, wherein the Radio Link is connected by wireless base station.
Specifically, the emergency system in the present embodiment here includes at least one level-one control centre, several Two-stage controls
Center and its several three class control centers connected by wire link with Radio Link, wherein the Radio Link passes through wirelessly
Base station connection.In general, level-one control centre is connected by wire link and several sectional centers in a set of emergency system
It connects, three class control center is directly connected to sectional center by wire link, and three class control center can also pass through radio chains
Road connects wireless base station, and wireless base station connects sectional center by Radio Link or wireless base station passes through wire link
Level-one control centre is connected, sectional center is connected by wire link by level-one control centre, and one between wireless base station
As pass through Radio Link, in which:
The three class control center sends the first communication link to sectional center and wireless base station for different port
Message；
The wireless base station, for forwarding described first to level-one control centre and sectional center by different port
Communication link message；
Specifically, the communication between three class control center and sectional center can pass through wire link and Radio Link
It completes, either wire link and Radio Link, is all that the first communication link report is sent by its port by three class control center
Text, what each port represent connecting link is that wirelessly or non-wirelessly, each message requires when sending by port in message
Middle addition port forwarding mark, port forwarding mark are exactly to represent link attribute, that is, wirelessly or non-wirelessly link.Similarly,
Also there is the port of different link attributes in wireless base station, and one the first communication link message Shi Douhui of each forwarding adds in the message
Add port forwarding mark.
The sectional center, for according to the port forwarding mark in the first communication link message received
The path of the port forwarding mark of same media is set uplink by will, and according to the link-quality of the uplink
Select main communication link and backup communication link；
Specifically, finally, sectional center is forwarded according to the port in the first communication link message received
Mark, using Radio Link or wire link as uplink, and it is each according to being collected into the first communication link message
The link-quality of port connecting link elects main communication link and backup communication link, it is however generally that, the link of wire link
Quality it is relatively high and as main communication link, and Radio Link is used as backup communication link.Three class control center and Two-stage control
The link based on same medium is just established between center, it is mutually isolated between each link, in the work of main communication link,
Backup communication link does not work.
The three class control center is also used to occur when the main communication link of itself and sectional center connected to it
When link down, backup communication link is selected as communication link.
Specifically, when the main communication link of three class control center and sectional center connected to it breaks down,
Such as when can not communicate the problem of such as interrupting, the message of subsequent transmission is passed through the transmission of backup communication link by three class control center.
In order to accurately describe the communication link establishment process of same medium, in embodiments of the present invention, the three-level control
Center and wireless base station processed are according to the type of the connecting link for the different port for sending the first communication link message to first
Communication link message adds port forwarding mark.
Specifically, when establishing link between three class control center and sectional center, the first communication link message
Effect is the link-quality for collecting port forwarding mark and each port connecting link by the addition of each port.Port forwarding
Mark and link-quality are used to establish same medium link and master backup link by sectional center judgement.
Preferably, the sectional center, for being sent by different port to level-one control centre and wireless base station
Second communication link message；
The level-one control centre, for forwarding second communication link to other sectional centers by different port
Road message；
The wireless base station, for being forwarded by different port to other sectional centers and/or level-one control centre
The second communication link message.
The sectional center is also used to according to the port forwarding mark in the second communication link message received
Will, the link setting by identical port forwarding mark is same medium link, and selects one for communication link.
Specifically, sectional center is also to send the second communication link message by its port, and different ports is used for
Port forwarding mark is added, the second communication link message here is different from the first communication link message, the second communication link report
Text is for establishing the communication link between sectional center.
Specifically, the link setting of identical port forwarding mark is same medium link by sectional center, and is selected
One is communication link, it is however generally that, since sectional center connects other sectional centers by level-one control centre
Using wire link, wire link is as same medium link, and generally using between wireless base station and level-one control centre has
Wired link, wireless base station and sectional center use Radio Link, to cannot be made up of the link of wireless base station same
Medium link, therefore, generally using wire link as communication link between sectional center.
In order to accurately describe the communication when wire link that sectional center is connect with level-one control centre interrupts
Journey, the sectional center are also used to connect when the wire link that itself connect with level-one control centre is interrupted to itself
The wireless base station connect sends the second communication link message；
The wireless base station or the level-one control centre, be also used to when forwarding the second communication link message to
Second communication link message addition port forwarding mark, so as to receive other Two-stage controls of the second communication link message
Center selects two according to the hop count according to the port forwarding mark statistics hop count of the second communication link message
Communication link between grade control centre.
Wherein the communication link between the sectional center is not limited to the link of same media.
Specifically, the second communication link message is for the link establishment between sectional center, sectional center to
Its wireless base station connected sends the second communication link message, receives the wireless base station and level-one of the second communication link message
Control centre's forwarding mark in addition port when forwarding by its port, final other sectional centers are according to the second communication link
The port forwarding mark statistics hop count of road message, selects communication link, that is, most short link conduct according to hop count
Communication link, at this point, in most short link here may message wire link and Radio Link, that is, sectional center it
Between communication link be not limited to the link of same media.
Algorithm and display are not inherently related to any particular computer, virtual system, or other device provided herein.
Various general-purpose systems can also be used together with teachings based herein.As described above, it constructs required by this kind of system
Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various
Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair
Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
Meaning one of can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice
Microprocessor or digital signal processor (DSP) are according to an embodiment of the present invention by obtaining equipment room Topology connection to realize
The some or all functions of some or all components in the apparatus and system of relationship, terminal device and system.The present invention
Be also implemented as executing method as described herein some or all device or device program (for example,
Computer program and computer program product).It is such to realize that program of the invention can store on a computer-readable medium,
Or it may be in the form of one or more signals.Such signal can be downloaded from an internet website to obtain, or
It is provided on the carrier signal, or is provided in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of command link communication programming method for ensureing emergency system, which is characterized in that the implementation method is applied to
Emergency system, the emergency system are connect including a level-one control centre, with the level-one control centre by wire link
Several sectional centers, and the three class control being connect with each sectional center by wire link and Radio Link
Center, wherein the Radio Link between the sectional center and the three class control center is connected by wireless base station, institute
It states wireless base station and the level-one control centre is connected by wire link, connected between different radio base station by Radio Link；
The three class control center sends the first communication link report to sectional center and wireless base station by its different port
Text, the wireless base station forward first communication to the level-one control centre and sectional center by its different port
Link packet；
The sectional center forwards mark according to the port in the first communication link message received, by identical Jie
The path of the port forwarding mark of matter is set as uplink, and selectes main communication chain according to the link-quality of the uplink
Road and backup communication link；
When there is link down in the main communication link at three class control center and sectional center connected to it, the three-level
Control centre selectes backup communication link as communication link；
The three class control center sends the first communication link report to sectional center and wireless base station by its different port
Before the text and wireless base station forwards described first to level-one control centre and sectional center by its different port
Before communication link message, further includes:
The three class control center and wireless base station are according to the connecting link class of the port for sending the first communication link message
Type indicates to the first communication link message addition port forwarding.
2. the method as described in claim 1, which is characterized in that further include:
Sectional center sends the second communication link message, institute to level-one control centre and wireless base station by its different port
It states level-one control centre and wireless base station and is forwarded by its different port to other sectional centers and/or level-one control centre
The second communication link message；
The sectional center forwards mark according to the port in the second communication link message received, by same side
The link setting of mouth forwarding mark is same medium link, and selects one for communication link.
3. method according to claim 1 or 2, which is characterized in that further include, when sectional center and level-one control centre
When the wire link of connection interrupts, the wireless base station that the sectional center is connected to it sends the second communication link message,
Forward the second communication link message wireless base station and level-one control centre to the second communication link message add end
Mouth forwarding mark, receives other sectional centers of the second communication link message according to the second communication link message
Port forwarding mark statistics hop count, selects the communication link between sectional center according to the hop count.
4. method as claimed in claim 3, which is characterized in that the communication link between the sectional center is not limited to phase
With the link of medium.
5. a kind of emergency system for ensureing command link communication, which is characterized in that the emergency system includes a level-one control
Center, the several sectional centers being connect with the level-one control centre by wire link, and with each Two-stage control
Center passes through the three class control center that wire link is connected with Radio Link, wherein the sectional center and the three-level
Radio Link between control centre is connected by wireless base station, and the wireless base station connects the level-one control by wire link
Center processed passes through Radio Link between different radio base station and connects, in which:
The three class control center, for sending the first communication link to sectional center and wireless base station by different port
Message；And when link down occurs in the main communication link of itself and sectional center connected to it, it is logical to select backup
Link is interrogated as communication link；
The wireless base station, for forwarding first communication to level-one control centre and sectional center by different port
Link packet；
It the sectional center will for being indicated according to the port forwarding in the first communication link message received
The path of the port forwarding mark of same media is set as uplink, and according to the selected master of the link-quality of the uplink
Communication link and backup communication link；
The three class control center or the wireless base station, specifically for according to sending the first communication link message not
Type with the connecting link of port indicates to the first communication link message addition port forwarding.
6. emergency system as claimed in claim 5, which is characterized in that
The sectional center, for sending the second communication link to level-one control centre and wireless base station by different port
Message；Mark is forwarded according to the port in the second communication link message received, by the chain of identical port forwarding mark
Road is set as same medium link, and selects one for communication link；
The level-one control centre, for forwarding the second communication link report to other sectional centers by different port
Text；
The wireless base station, described in being forwarded by different port to other sectional centers and/or level-one control centre
Second communication link message.
7. emergency system as claimed in claim 6, which is characterized in that
The sectional center is also used to when wire link that itself connect with level-one control centre interrupts, to itself
The wireless base station of connection sends the second communication link message；
The wireless base station or the level-one control centre are also used to the Xiang Suoshu when forwarding the second communication link message
Second communication link message adds port forwarding mark, so as to receive other sectional centers of the second communication link message
According to the port forwarding mark statistics hop count of the second communication link message, second level control is selected according to the hop count
Communication link between center processed.
8. emergency system as claimed in claim 7, which is characterized in that the communication link between the sectional center is unlimited
In the link of same media.
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| CN201611261905.XA CN106789737B (en) | 2016-12-30 | 2016-12-30 | A kind of command link communication programming method and system ensureing emergency system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611261905.XA CN106789737B (en) | 2016-12-30 | 2016-12-30 | A kind of command link communication programming method and system ensureing emergency system |
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| CN102118300A (en) * | 2009-12-31 | 2011-07-06 | 华为软件技术有限公司 | Method and device for transmitting data streams in multiple channels |
| CN102546222A (en) * | 2010-12-07 | 2012-07-04 | 中国电信股份有限公司 | Backup system and fault detection and processing method |
| CN104506801A (en) * | 2014-12-17 | 2015-04-08 | 南京莱斯信息技术股份有限公司 | Satellite communication in motion emergency communication command system on basis of 3G (third generation) and satellite link |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090268606A1 (en) * | 2008-04-29 | 2009-10-29 | Delew David A | Method and apparatus for detecting and correcting faults in a session initiation protocol (sip) network |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118300A (en) * | 2009-12-31 | 2011-07-06 | 华为软件技术有限公司 | Method and device for transmitting data streams in multiple channels |
| CN102546222A (en) * | 2010-12-07 | 2012-07-04 | 中国电信股份有限公司 | Backup system and fault detection and processing method |
| CN104506801A (en) * | 2014-12-17 | 2015-04-08 | 南京莱斯信息技术股份有限公司 | Satellite communication in motion emergency communication command system on basis of 3G (third generation) and satellite link |
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