CN106533501A - Inter-site communication state detection method and device for power line communication network - Google Patents
Inter-site communication state detection method and device for power line communication network Download PDFInfo
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- CN106533501A CN106533501A CN201510581999.8A CN201510581999A CN106533501A CN 106533501 A CN106533501 A CN 106533501A CN 201510581999 A CN201510581999 A CN 201510581999A CN 106533501 A CN106533501 A CN 106533501A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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Abstract
The present invention provides an inter-site communication state detection method for a power line communication network. The method comprises the steps of sending a detection request message to an STA site from a CCO site at a pre-set time interval; on the condition that the CCO site does not receive a detection response message sent from the STA site within a preset period of time, judging that the communication between the CCO site and the STA site is in the abnormal state; sending a whole-network broadcast offline message to all STA sites within the power line communication network from the CCO site, and recovering TEI resources corresponding to STA sites in the communication abnormal state. The whole-network broadcast offline message contains the TEI information of each STA site, and is used for indicating all STA sites within the power line communication network to delete the routing information corresponding to the TEI information. In this way, the communication between STA sites in the communication abnormal state and other sites in the power line communication network is cut off. The invention also provides an inter-site communication state detection device for the power line communication network.
Description
Technical field
The present invention relates to communicate between field of power line communication, more particularly to a kind of website of power line communication network
Condition detection method and device.
Background technology
In power line communication network, by the use of electric lines of force as network transmission mediums, close electric lines of force and holding wire
One, it is not necessary to distributing network line in addition, the conventional electrical socket of domestic is communication interface, can enter line number simultaneously
According to the transmission with electric power, networking is simple, low cost and be easily achieved.
Generally, in a logic power line communication network, by Central co-ordination (Central Coordinator,
CCO) website is responsible for the management to whole network.In existing communication process, in power line communication network
Website power down or be designated it is offline in the case of, be notified that CCO websites and other websites；However, working as
Channel is deteriorated when causing communication abnormality, and CCO websites and other websites cannot know communication abnormality, still can not
Data are sent disconnectedly, cause channel burdens, or even the loss of mass data.
The content of the invention
In view of this, the embodiment of the present invention is expected to provide communications status between a kind of website of power line communication network
Detection method and device, to reduce channel burdens, it is to avoid the loss of mass data.
What the technical scheme of the embodiment of the present invention was realized in：
Communication state detection method between a kind of website of power line communication network, methods described include：
Central co-ordination CCO website Jing prefixed time intervals send probe request message to base station STA websites；
The CCO websites do not receive the probe response message that the STA websites send in Preset Time
When, judge communication abnormality between the CCO websites and the STA websites；
The CCO websites are sent under the whole network broadcast to all STA websites in the power line communication network
Line message, and reclaim Terminal Equipment Identifier TEI resources corresponding with the STA websites of communication abnormality；Wherein,
Described the whole network broadcasts the TEI information of the STA websites comprising the communication abnormality in offline message, described the whole network
All STA websites that offline message is broadcasted for indicating in the power line communication network are deleted and the TEI
The corresponding routing iinformation of information.
In said method, the probe request message includes Source Site field information and point of destination point field letter
Breath；Or, the probe request message include Source Site field information, point of destination point field information and
Purpose website level field information；
The probe response message includes Source Site field information and point of destination point field information.
Communication state detection method between a kind of website of power line communication network, methods described include：
Base station STA websites send probe request message to agent Coordination PCO websites, and start intervalometer；
Wherein, the probe request message is that the STA websites Jing prefixed time intervals judge the STA stations
The state value of point is less than what is sent during preset initial value；
In the timer time, the STA websites do not receive the detection that the PCO websites send
During response message, the STA websites send agency's change request to Central co-ordination CCO websites；The generation
Terminal Equipment Identifier TEI information comprising target PCO website in reason change request；
The STA websites receive agency's change response that the CCO websites send；Agency's change rings
Successfully configured information is changed comprising agency in answering or agency changes the configured information that fails.
In said method, the probe request message includes Source Site field information and point of destination point field letter
Breath；
The probe response message includes Source Site field information and point of destination point field information.
Communication state detection method between a kind of website of power line communication network, methods described include：
Central co-ordination CCO websites receive agency's change request that base station STA websites send；The agency becomes
Coordinate the Terminal Equipment Identifier TEI information of PCO websites in more asking comprising target proxy；Wherein, the generation
Reason change request is the detection sound that the STA websites do not receive the transmission of PCO websites in timer time
Answer what is sent during message；
TEI information of the CCO websites according to the target PCO website, sends to the STA websites
Agency's change response；Wherein, successfully configured information or agency are changed comprising agency in agency's change response
Change failure configured information.
Communications status detection means between a kind of website of power line communication network, described device include：
First sending module, sends probe request message for Jing prefixed time intervals to base station STA websites；
First receiver module, does not receive the probe response message that the STA websites send in Preset Time
When, between the website of the judgement power line communication network between communications status detection means and the STA websites
Communication abnormality；
First sending module sends the whole network broadcast to all STA websites in the power line communication network
Offline message, and reclaim Terminal Equipment Identifier TEI resources corresponding with the STA websites of communication abnormality；Wherein,
Described the whole network broadcasts the TEI information of the STA websites comprising the communication abnormality in offline message, described the whole network
All STA websites that offline message is broadcasted for indicating in the power line communication network are deleted and the TEI
The corresponding routing iinformation of information.
In said apparatus, the probe request message includes Source Site field information and point of destination point field letter
Breath；Or, the probe request message include Source Site field information, point of destination point field information and
Purpose website level field information；
The probe response message includes Source Site field information and point of destination point field information.
Communications status detection means between a kind of website of power line communication network, described device include：Second
Send module, timer module, judge module and the second receiver module；
Second sending module is for sending probe request message to agent Coordination PCO websites, and starts institute
State the intervalometer in timer module；Wherein, when the probe request message is the judge module Jing default
Between interval judge state value be less than preset initial value when by second sending module send；
In the timer time, second receiver module does not receive the spy that the PCO websites send
When surveying response message, second sending module sends agency's change request to Central co-ordination CCO websites；Institute
State the Terminal Equipment Identifier TEI information comprising target PCO website in agency's change request；
Second receiver module receives agency's change response that the CCO websites send；Agency's change
Successfully configured information or agency's change failure configured information are changed comprising agency in response.
In said apparatus, the probe request message includes Source Site field information and point of destination point field letter
Breath；
The probe response message includes Source Site field information and point of destination point field information.
Communications status detection means between a kind of website of power line communication network, described device include：
3rd receiver module, for receiving agency's change request that base station STA websites send；The agency becomes
Coordinate the Terminal Equipment Identifier TEI information of PCO websites in more asking comprising target proxy；Wherein, the generation
Reason change request is the detection sound that the STA websites do not receive the transmission of PCO websites in timer time
Answer what is sent during message；
3rd sending module, for the TEI information according to the target PCO website, stands to the STA
Point sends agency's change response；Wherein, successfully configured information is changed comprising agency in agency's change response
Or agency's change failure configured information.
Communication state detection method and device, CCO between the website of the power line communication network of the embodiment of the present invention
Website Jing prefixed time intervals send probe request message to STA websites；The CCO websites are when default
In when not receiving the probe response message that the STA websites send, judge the CCO websites and institute
State communication abnormality between STA websites；The CCO websites are to all STA in the power line communication network
Website sends the whole network and broadcasts offline message, and reclaims TEI resources corresponding with the STA websites of communication abnormality；
Wherein, described the whole network broadcasts the TEI information of the STA websites comprising the communication abnormality in offline message, institute
State the whole network offline message is broadcasted for indicating all STA websites deletions and institute in the power line communication network
The corresponding routing iinformation of TEI information is stated, is cut off in the STA websites and power line communication network of the communication abnormality
The communication of other each STA websites；Thus, during application layer data sends, detecting website
Between just carry out data is activation when there is no communication abnormality, cut off different in time once there is communication abnormality between website
The often communication between STA websites and other each STA websites, so as to ensure data communication process, protects
Service quality is demonstrate,proved, and has alleviated channel burdens.
Description of the drawings
Communication state detection method between the website of the power line communication network that Fig. 1 is provided for the embodiment of the present invention one
Flow chart；
Network topology schematic diagrams of the Fig. 2 for the embodiment of the present invention；
Communication state detection method between the website of the power line communication network that Fig. 3 is provided for the embodiment of the present invention two
Flow chart；
Communication state detection method between the website of the power line communication network that Fig. 4 is provided for the embodiment of the present invention three
Flow chart；
Communications status detection means between the website of the power line communication network that Fig. 5 is provided for the embodiment of the present invention one
Flow chart；
Communications status detection means between the website of the power line communication network that Fig. 6 is provided for the embodiment of the present invention two
Flow chart；
Communications status detection means between the website of the power line communication network that Fig. 7 is provided for the embodiment of the present invention three
Flow chart.
Specific embodiment
In the various embodiments of the invention, by increasing by one group of management message in existing communication protocol：Visit
Request message (CC_DETECT_REQ) and probe response message (CC_DETECT_RSP) is surveyed, is come
Judge between detection site and detected website whether communication abnormality, so that detection site is knowing that communication is different
In the case of often, temporarily data are not sent to detected website, mitigate channel burdens, it is to avoid losing for data
Lose.
Communications status between the website of the power line communication network provided the present invention with reference to specific embodiment
Detection method is described in detail.
Communication state detection method between the website of the power line communication network that Fig. 1 is provided for the embodiment of the present invention one
Flow chart.The method that the present embodiment is provided can be by Central co-ordination (Central Coordinator, CCO)
Website is performed, specifically, as shown in figure 1, the method that the present embodiment is provided can include：
Step 101, CCO website Jing prefixed time intervals send to base station (Station, STA) website and visit
Survey request message.
Step 102, the CCO websites do not receive the detection sound that the STA websites send in Preset Time
When answering message, communication abnormality between the CCO websites and the STA websites is judged.
Step 103, the CCO websites send the whole network to all STA websites in the power line communication network
Offline message is broadcasted, and reclaims Terminal Equipment Identifier (Terminal corresponding with the STA websites of communication abnormality
Equipment Identifier, TEI) resource；Wherein, it is different comprising the communication in the offline message of the whole network broadcast
The TEI information of normal STA websites, the whole network broadcast offline message in indicating the power line communication network
All STA websites delete routing iinformation corresponding with the TEI information.
It should be noted that Source Site field information and point of destination braille can be included in the probe request message
Segment information, specifically, the message format of the probe request message can be as shown in Table 1：
Table one
| Field | Start byte | Size (byte) | Explanation |
| DTEI | 0 | 2 | Point of destination point field information |
| STEI | 2 | 2 | Source Site field information |
Or, in the probe request message can include Source Site field information, point of destination point field information with
And purpose website level field information, the website for receiving the probe request message can be according to purpose site level
Level field information updates the hierarchical information of itself.Specifically, the message format of the probe request message can be as
Shown in table two：
Table two
| Field | Start byte | Size (byte) | Explanation |
| DTEI | 0 | 2 | Point of destination point field information |
| STEI | 2 | 2 | Source Site field information |
| Layer | 4 | 1 | Purpose website level field information |
Specifically, the probe response message includes Source Site field information and point of destination point field information, should
The message format of probe response message can be as shown in Table 3：
Table three
| Field | Start byte | Size (byte) | Explanation |
| DTEI | 0 | 2 | Point of destination point field information |
| STEI | 2 | 2 | Source Site field information |
In practical application, the byte-sized of field can be according to the concrete nodes supported of power line communication network
Depending on purpose is how many, for example, if power line communication network supports 255 nodes, DTEI and STEI words
Section only needs to take 1 byte.The present embodiment is not specifically limited to this.
In the present embodiment, CCO websites manage power line communication network in website when, a station can be safeguarded
Dotted state table, in station state table, contains the status information of each website in power line communication network,
CCO websites when each website is just networked corresponding station state be set to initial value, wherein, initial value is
According to the channel quality in practical application scene, the time delay retransmission case of data and agent Coordination (Proxy
Coordinator, PCO) the website change time set, for example, the table when station state value is 1
Show that website is enlivened, represent that website is inactive when station state value is 0.
CCO website Jing prefixed time intervals send probe request message to STA websites, in the present embodiment,
The prefixed time interval is specially a beacon period TBC, CCO websites are in each TBCTo a STA station
Point sends a probe request message, it will be understood that in each route cycle TDIt is interior, CCO websites
Each website in power line communication network is traveled through once, wherein, TD=TBC* station number.
When the CCO websites do not receive the probe response message that the STA websites send in the Preset Time,
Judge communication abnormality between the CCO websites and the STA websites；Wherein, Preset Time is specifically as follows one
In the individual route cycle, in the present embodiment, if within the route cycle, CCO websites do not receive probe response
Message, then by station state table correspondence website station state value subtract 1, station state value be kept to 0 it
Before, as long as receiving probe response message, the station state value of the website is set to into initial value just；Work as website
When state value is kept to 0, CCO websites can determine that the communication abnormality between the website.
Judging that CCO websites are to power line network between CCO websites and the STA websites after communication abnormality
In all STA websites send the whole network and broadcast offline message, force the STA websites of the communication abnormality offline,
And reclaim the corresponding TEI resources of the STA websites of the communication abnormality.
In application layer is ensured in the application scenarios of data is activation, application layer is before data are sent, first to target
Website sends probe request message, if receiving the probe response message of targeted sites, then carries out data is activation,
If not receiving the probe response message of targeted sites, data is activation wouldn't be carried out；Net for example shown in Fig. 2
In network topology, the application layer of certain moment D websites needs to send high-volume data and gives H websites, data is activation it
Before, application layer first carries out the detection of communications status, and D websites are first sent out probe request message and give H websites, if
The probe response message of H website is not received in setting time, then D websites application layer wouldn't send data
H websites are given, is detected every special time again, in the case that repeatedly detection all confiscates probe response message, put
The data communication with H websites is abandoned, if receiving the probe response message of H websites, explanation in setting time
D websites and H site communications are normal, send data to H websites.
The technical scheme of the present embodiment, CCO websites are being known between STA websites after communication abnormality, by force
The STA websites for making the communication abnormality are offline, and notify that all STA websites in power line communication network should
The STA websites of communication abnormality are offline so as to which his STA websites are deleted and the STA websites of the communication abnormality
Routing iinformation, has cut off the STA websites of the communication abnormality and the communication of other websites in power line communication network；
During application layer data sends, data are just carried out when detecting and there is no communication abnormality between website and is sent out
Send, so as to ensure data communication process, it is ensured that service quality, and alleviate channel burdens.
Communication state detection method between the website of the power line communication network that Fig. 3 is provided for the embodiment of the present invention two
Flow chart.The method that the present embodiment is provided can be performed by STA websites, specifically, as shown in figure 3,
The method that the present embodiment is provided can include：
Step 301, STA websites send probe request message to PCO websites, and start intervalometer；Wherein,
The probe request message is that the STA website Jing prefixed time intervals judge that the state value of the STA websites is little
Send when preset initial value；
If step 302, in the timer time, the STA websites do not receive what the PCO websites sent
Probe response message, then the STA websites are to the transmission agency's change request of CCO websites；Agency's change please
TEI information comprising target PCO website in asking；
Step 303, the STA websites receive agency's change response that the CCO websites send；The agency becomes
Successfully configured information or agency's change failure configured information are changed comprising agency in more responding.
It should be noted that CCO websites are used for managing PCO websites and STA websites, PCO websites are STA
The parent web of website, CCO websites are communicated with STA websites by PCO websites.
Source Site field information and point of destination point field information can be included in the probe request message, specifically,
The message format of the probe request message can be as shown in the table one in above-mentioned embodiment；The probe response message
In can include Source Site field information and point of destination point field information, its message format can be implemented as described above
Shown in table three in example；Here is omitted.
In actual applications, the present embodiment can be used for agency's change process of website.Specifically, STA stations
Point can safeguard the status information of this website, when the STA websites just network, by the state of the STA websites
Value is set to initial value, in the case of communication is normal, the STA website Jing prefixed time intervals, i.e., each
TDCycle should receive the probe request message of a CCO website, and reply probe response message to
CCO websites；If the STA websites are in TDThe probe request message of CCO websites is not received in cycle,
The state value of the STA websites is subtracted 1 then, and in each TBCThe state value of cycle detection this website, if shape
State value is less than initial value, then actively send probe request message to PCO websites, and start intervalometer, this reality
It is N*T to apply the intervalometer defined in exampleBCIntervalometer, wherein, N represents variable, the N*TBCDuring intervalometer
Between can change with different practical application scenes and real-time network state, if in the N*TBC
In timer time, the STA websites do not receive the probe response message of PCO websites transmission, then can be to
CCO websites send agency's change request, carry out agency's change；If in the N*TBCIn timer time, should
STA websites have received the probe response message of PCO websites transmission, then illustrate that STA websites are stood with PCO
There is no communication abnormality between point, the STA websites need not carry out agency's change.
For example, as shown in Figure 2, it is assumed that H websites are a STA website, and F websites are a PCO
Website, D websites are a CCO website；If H websites are in TDThe transmission of D websites is not received in cycle
Probe request message, then subtract 1 by state value, and when the state value for detecting this website is less than initial value,
Probe request message is sent to F websites, starts N*TBCIntervalometer；If in N*TBCConnect in timer time
The probe response message of F websites transmission is received, then shows between H websites and F websites, there is no communication abnormality,
The probe request message that the H websites do not receive D websites is logical due to existing between F websites and D websites
Letter is abnormal caused, therefore H websites need not carry out agency's change, waits F websites to carry out agency and has changed
Into；If in N*TBCThe probe response message of F websites transmission is not received in timer time, then say
There is communication abnormality between bright H websites and F websites, need to carry out agency's change.
The technical scheme of the present embodiment, STA websites know there is communication abnormality between PCO websites when, send out
The process of agency's change is played, so as to ensure data communication, it is ensured that service quality.
Communication state detection method between the website of the power line communication network that Fig. 4 is provided for the embodiment of the present invention three
Flow chart, the present embodiment provide method can be performed by CCO websites, specifically, as shown in figure 4,
The method that the present embodiment is provided can include：
Step 401, CCO websites receive agency's change request that STA websites send；Agency's change request
In comprising target PCO website TEI information；Wherein, agency's change request is the STA websites fixed
When the device time in send when not receiving the probe response message of PCO websites transmission；
The TEI information of step 402, the CCO websites according to the target PCO website, to the STA websites
Send agency's change response；Wherein, successfully configured information or generation are changed comprising agency in agency's change response
Reason change failure configured information.
In the present embodiment, after CCO websites receive agency's change request of STA websites transmission, can basis
TEI information in agency's change request, judges the corresponding website of TEI information if appropriate for as the STA
The PCO websites of website, if properly, send to the STA websites and change successfully configured information comprising agency
Agency change response；If improper, send comprising agency's change failure configured information to the STA websites
Agency change response.
The technical scheme of the present embodiment, after there is communication abnormality between discovery and PCO websites in STA websites, to
CCO websites initiate agency's change request, it is to avoid cannot receive data due to communication abnormality, so as to ensure
Service quality.
Communications status detection dress between the website of the power line communication network that Fig. 5 is provided for the embodiment of the present invention one
Put.As shown in figure 5, the device that the present embodiment is provided can include：
First sending module 11, sends probe request message for Jing prefixed time intervals to STA websites；
First receiver module 12, does not receive the probe response message that the STA websites send in Preset Time
When, judge to communicate between communications status detection means and the STA websites between the website of the power line communication network
It is abnormal；
First sending module 11 sends the whole network broadcast to all STA websites in the power line communication network
Offline message, and reclaim TEI resources corresponding with the STA websites of the communication abnormality；Wherein, the whole network is wide
The TEI information of the STA websites comprising the communication abnormality in line message is sowed, the whole network is broadcasted offline message and used
All STA websites in the power line communication network is indicated delete route letter corresponding with the TEI information
Breath.
Wherein, the probe request message includes Source Site field information and point of destination point field information；Or,
The probe request message includes Source Site field information, point of destination point field information and purpose website level
Field information；The probe response message includes Source Site field information and point of destination point field information.
Communications status detection means between the website of the power line communication network that the present embodiment is provided, can be used to perform
The technical scheme of embodiment of the method shown in above-mentioned Fig. 1, which realizes that principle is similar with technique effect, herein no longer
Repeat.
In actual applications, first sending module 11 and the first receiver module 12 can be by positioned at CCO stations
Central processing unit (CPU), microprocessor (MPU), digital signal processor (DSP) or existing on point
The devices such as field programmable gate array (FPGA) are realized.
Communications status detection dress between the website of the power line communication network that Fig. 6 is provided for the embodiment of the present invention two
Put.As shown in fig. 6, the device that the present embodiment is provided can include：Second sending module 21, intervalometer mould
Block 22, judge module 23 and the second receiver module 24.
Wherein, second sending module 21 for PCO websites send probe request message, and start should
Intervalometer in timer module 22；Wherein, the probe request message is between judge module Jing Preset Times
Sent by second sending module 21 when state value is judged less than preset initial value；
In the timer time, second receiver module 24 does not receive the detection that the PCO websites send
During response message, then second sending module 21 sends agency's change request to CCO websites；The agency becomes
TEI information comprising target PCO website in more asking；
Second receiver module 24 receives agency's change response that the CCO websites send；Agency's change rings
Successfully configured information is changed comprising agency in answering or agency changes the configured information that fails.
Specifically, the probe request message includes Source Site field information and point of destination point field information；Should
Probe response message includes Source Site field information and point of destination point field information.
Communications status detection means between the website of the power line communication network that the present embodiment is provided, can be used to perform
The technical scheme of embodiment of the method shown in above-mentioned Fig. 3, which realizes that principle is similar with technique effect, herein no longer
Repeat.
In actual applications, second sending module 21, timer module 22, judge module 23 and
Second receiver module 24 can by the central processing unit (CPU) on the STA websites, microprocessor (MPU),
The device such as digital signal processor (DSP) or field programmable gate array (FPGA) is realized.
Communications status detection dress between the website of the power line communication network that Fig. 7 is provided for the embodiment of the present invention three
Put.As shown in fig. 7, the device that the present embodiment is provided can include：
3rd receiver module 31, for receiving agency's change request of STA websites transmission；Agency's change please
TEI information comprising target PCO website in asking；Wherein, agency's change request is that the STA websites exist
Send during the probe response message for not receiving the transmission of PCO websites in timer time；
3rd sending module 32, for the TEI information according to the target PCO website, to the STA websites
Send agency's change response；Wherein, successfully configured information or generation are changed comprising agency in agency's change response
Reason change failure configured information.
Communications status detection means between the website of the power line communication network that the present embodiment is provided, can be used to perform
The technical scheme of embodiment of the method shown in above-mentioned Fig. 4, which realizes that principle is similar with technique effect, herein no longer
Repeat.
In actual applications, the 3rd receiver module 31 and the 3rd sending module 32 can be by positioned at CCO stations
Central processing unit (CPU), microprocessor (MPU), digital signal processor (DSP) or existing on point
The devices such as field programmable gate array (FPGA) are realized.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can using hardware embodiment, software implementation or combine software and
The form of the embodiment of hardware aspect.And, the present invention can wherein include calculating using at one or more
Computer-usable storage medium (including but not limited to disk memory and the optical storage of machine usable program code
Device etc.) on the form of computer program implemented.
The present invention is with reference to method according to embodiments of the present invention, equipment (system), and computer program
Flow chart and/or block diagram describing.It should be understood that can be by computer program instructions flowchart and/or side
The knot of each flow process and/or square frame and flow chart and/or the flow process in block diagram and/or square frame in block diagram
Close.Can provide these computer program instructions to general purpose computer, special-purpose computer, Embedded Processor or
The processor of other programmable data processing devices is producing a machine so that by computer or other can
The instruction of the computing device of programming data processing equipment is produced for realizing in one flow process or multiple of flow chart
The device of the function of specifying in one square frame of flow process and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing devices
In the computer-readable memory for working in a specific way so that be stored in the computer-readable memory
Instruction produces the manufacture for including command device, and the command device is realized in one flow process of flow chart or multiple streams
The function of specifying in one square frame of journey and/or block diagram or multiple square frames.
These computer program instructions can be also loaded in computer or other programmable data processing devices, made
Obtain series of operation steps is performed on computer or other programmable devices to produce computer implemented place
Reason, so as to the instruction performed on computer or other programmable devices is provided for realizing in flow chart one
The step of function of specifying in flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
The above, only presently preferred embodiments of the present invention is not intended to limit the protection model of the present invention
Enclose.
Claims (10)
1. a kind of communication state detection method between website of power line communication network, it is characterised in that the side
Method includes：
Central co-ordination CCO website Jing prefixed time intervals send probe request message to base station STA websites；
The CCO websites do not receive the probe response message that the STA websites send in Preset Time
When, judge communication abnormality between the CCO websites and the STA websites；
The CCO websites are sent under the whole network broadcast to all STA websites in the power line communication network
Line message, and reclaim Terminal Equipment Identifier TEI resources corresponding with the STA websites of communication abnormality；Wherein,
Described the whole network broadcasts the TEI information of the STA websites comprising the communication abnormality in offline message, described the whole network
All STA websites that offline message is broadcasted for indicating in the power line communication network are deleted and the TEI
The corresponding routing iinformation of information.
2. method according to claim 1, it is characterised in that the probe request message includes source
Website field information and point of destination point field information；Or, the probe request message includes source station braille
Segment information, point of destination point field information and purpose website level field information；
The probe response message includes Source Site field information and point of destination point field information.
3. a kind of communication state detection method between website of power line communication network, it is characterised in that the side
Method includes：
Base station STA websites send probe request message to agent Coordination PCO websites, and start intervalometer；
Wherein, the probe request message is that the STA websites Jing prefixed time intervals judge the STA stations
The state value of point is less than what is sent during preset initial value；
In the timer time, the STA websites do not receive the detection that the PCO websites send
During response message, the STA websites send agency's change request to Central co-ordination CCO websites；The generation
Terminal Equipment Identifier TEI information comprising target PCO website in reason change request；
The STA websites receive agency's change response that the CCO websites send；Agency's change rings
Successfully configured information is changed comprising agency in answering or agency changes the configured information that fails.
4. method according to claim 3, it is characterised in that the probe request message includes source
Website field information and point of destination point field information；
The probe response message includes Source Site field information and point of destination point field information.
5. a kind of communication state detection method between website of power line communication network, it is characterised in that the side
Method includes：
Central co-ordination CCO websites receive agency's change request that base station STA websites send；The agency becomes
Coordinate the Terminal Equipment Identifier TEI information of PCO websites in more asking comprising target proxy；Wherein, the generation
Reason change request is the detection sound that the STA websites do not receive the transmission of PCO websites in timer time
Answer what is sent during message；
TEI information of the CCO websites according to the target PCO website, sends to the STA websites
Agency's change response；Wherein, successfully configured information or agency are changed comprising agency in agency's change response
Change failure configured information.
6. a kind of communications status detection means between website of power line communication network, it is characterised in that the dress
Put including：
First sending module, sends probe request message for Jing prefixed time intervals to base station STA websites；
First receiver module, does not receive the probe response message that the STA websites send in Preset Time
When, between the website of the judgement power line communication network between communications status detection means and the STA websites
Communication abnormality；
First sending module sends the whole network broadcast to all STA websites in the power line communication network
Offline message, and reclaim Terminal Equipment Identifier TEI resources corresponding with the STA websites of communication abnormality；Wherein,
Described the whole network broadcasts the TEI information of the STA websites comprising the communication abnormality in offline message, described the whole network
All STA websites that offline message is broadcasted for indicating in the power line communication network are deleted and the TEI
The corresponding routing iinformation of information.
7. device according to claim 6, it is characterised in that the probe request message includes source
Website field information and point of destination point field information；Or, the probe request message includes source station braille
Segment information, point of destination point field information and purpose website level field information；
The probe response message includes Source Site field information and point of destination point field information.
8. a kind of communications status detection means between website of power line communication network, it is characterised in that the dress
Put including：Second sending module, timer module, judge module and the second receiver module；
Second sending module is for sending probe request message to agent Coordination PCO websites, and starts institute
State the intervalometer in timer module；Wherein, when the probe request message is the judge module Jing default
Between interval judge state value be less than preset initial value when by second sending module send；
In the timer time, second receiver module does not receive the spy that the PCO websites send
When surveying response message, second sending module sends agency's change request to Central co-ordination CCO websites；Institute
State the Terminal Equipment Identifier TEI information comprising target PCO website in agency's change request；
Second receiver module receives agency's change response that the CCO websites send；Agency's change
Successfully configured information or agency's change failure configured information are changed comprising agency in response.
9. device according to claim 8, it is characterised in that the probe request message includes source
Website field information and point of destination point field information；
The probe response message includes Source Site field information and point of destination point field information.
10. communications status detection means between a kind of website of power line communication network, it is characterised in that described
Device includes：
3rd receiver module, for receiving agency's change request that base station STA websites send；The agency becomes
Coordinate the Terminal Equipment Identifier TEI information of PCO websites in more asking comprising target proxy；Wherein, the generation
Reason change request is the detection sound that the STA websites do not receive the transmission of PCO websites in timer time
Answer what is sent during message；
3rd sending module, for the TEI information according to the target PCO website, stands to the STA
Point sends agency's change response；Wherein, successfully configured information is changed comprising agency in agency's change response
Or agency's change failure configured information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510581999.8A CN106533501A (en) | 2015-09-14 | 2015-09-14 | Inter-site communication state detection method and device for power line communication network |
| PCT/CN2016/083549 WO2017045433A1 (en) | 2015-09-14 | 2016-05-26 | Method and device for detecting communication state between stations, and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510581999.8A CN106533501A (en) | 2015-09-14 | 2015-09-14 | Inter-site communication state detection method and device for power line communication network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106533501A true CN106533501A (en) | 2017-03-22 |
Family
ID=58288121
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510581999.8A Withdrawn CN106533501A (en) | 2015-09-14 | 2015-09-14 | Inter-site communication state detection method and device for power line communication network |
Country Status (2)
| Country | Link |
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| CN (1) | CN106533501A (en) |
| WO (1) | WO2017045433A1 (en) |
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| CN113923748B (en) * | 2021-11-12 | 2023-06-02 | 重庆邮电大学 | Method for forming cluster network based on proxy change |
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| WO2017045433A1 (en) | 2017-03-23 |
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