CN107257563A - A kind of remote low power consumption network system and network-building method - Google Patents
A kind of remote low power consumption network system and network-building method Download PDFInfo
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- CN107257563A CN107257563A CN201710527151.6A CN201710527151A CN107257563A CN 107257563 A CN107257563 A CN 107257563A CN 201710527151 A CN201710527151 A CN 201710527151A CN 107257563 A CN107257563 A CN 107257563A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention provides a kind of method of network entry of remote low power consumption network, including：Network ID is determined, and it is determined that detection bag is sent after network ID, make it that detection is sent after the terminal node random delay certain time not networked replys bag；Receive the detection and reply bag, and the networking bag for including the network ID is sent to the terminal node not networked, the terminal node not networked to be networked according to the network ID and transmit into net to reply bag.The present invention replys bag by the way that terminal node random delay certain time is sent into detection, multiple terminal nodes are avoided while sending the problem of packet triggers conflict, and the packet of networking process transmission/reception is less, reduces networking difficulty, is conducive to the popularization of remote low power consumption network.
Description
Technical field
The present invention relates to communication technical field, more particularly, to remote low power consumption network system and network-building method.
Background technology
Remote low power consumption network (English abbreviation：LPWAN, English full name：Low Power Wide Area Network)
It is a kind of technology of new networking, remote low power consumption network at least includes two parts of terminal node and gateway node, its
In, terminal node is used to observe LPWAN protocol specifications, realizes point-to-point long-distance transmissions.Gateway node：It is responsible for receiving terminal section
The uplink data of point, data then are gathered into one, and each individually backhaul is connected, and realizes Data Collection and forwarding.
The characteristics of remote low power consumption network has the following aspects：
Distance：Common the short distance wireless communication technology, such as Wi-Fi, bluetooth, general tens meters of communication distance, and it is remote
Communication distance apart from low power consumption network is up to several kilometers, or even tens kilometers.
Volume of transmitted data：What computer, surfing Internet with cell phone browsed the pursuit of the application demands such as webpage, video is high data-carrying capacity,
And The faster the better for speed, and the communication frequency of remote low power consumption network is low, and the data volume of transmission is also considerably less.
Power consumption：What high data rate was brought is high power consumption, it is desirable to have sufficient power supply supply, and remote low power consumption network
Data rate it is low, terminal node only needs a small amount of electric energy just to maintain work, and this helps to make end within the specific limits
End node can access network on a large scale.
Just because of the characteristic of above-mentioned remote and low-power consumption, cause to be difficult to set up between terminal node and gateway node
Long connection, and existing remote low power consumption network is during networking, and terminal node often occurs sending packet simultaneously
Situation, and due to the transmission feature of remote low power consumption network, when multiple terminal nodes send packet simultaneously, will cause
Gateway node can not receive these while the packet that any one terminal node is sent in the terminal node of transmission packet, enters
And cause networking to fail.
The content of the invention
The present invention provides a kind of remote low-power consumption net for overcoming above mentioned problem or solving the above problems at least in part
Network system and network-building method.
According to the first aspect of the invention there is provided a kind of method of network entry of remote low power consumption network, including：
Network ID is determined, and it is determined that detection bag is sent after network ID, to cause the terminal node random delay not networked
Detection is sent after certain time and replys bag；
Receive the detection and reply bag, and the networking for including the network ID is sent to the terminal node not networked
Bag, the terminal node not networked to be networked according to the network ID and transmit into net to reply bag.
Preferably, the method for network entry of remote low power consumption network of the invention, in addition to：
According to the networking reply bag that the terminal node is sent is received, it is normal terminal section to know the terminal node
Point；
Separated in time sends heartbeat packet to the normal terminal node, to cause the normal terminal node to send the heart
Rebound is wrapped again；
Bag is replied according to the heartbeat is received, knows that the normal terminal node is still normal.
Preferably, the method for network entry of remote low power consumption network of the invention, in addition to：
According to the networking reply bag that the terminal node is sent is not received, it is abnormal terminals section to know the terminal node
Point；
Separated in time sends heartbeat packet to the abnormal terminals node, to cause abnormal normal terminal node to send the heart
Rebound is wrapped again；
Bag is replied according to the heartbeat is received, knows that the abnormal terminals node has networked and has been converted to normal terminal section
Point；Or
Bag is replied according to the heartbeat is not received, the bag that networks is sent to the abnormal terminals node, so that the exception
Terminal node, which sends to network, replys bag；
Bag is replied according to described network is received, knows that the abnormal terminals node has networked and has been converted to normal terminal section
Point.
According to the second aspect of the invention, a kind of method of network entry of remote low power consumption network is also provided, including：
Probe data packet is received, is known according to probe data packet judgement and not networked, random delay certain time is backward
Gateway node sends detection and replys bag, to cause the gateway node to send the networking bag for including the network ID；
Receive the bag that networks, networked according to the network ID and transmit into net and reply bag.
Preferably, the method for network entry of remote low power consumption network of the invention, in addition to：
Heartbeat packet is received, sending heartbeat to gateway node according to the heartbeat packet replys bag.
According to the third aspect of the present invention, a kind of gateway node is also provided, including：
Bag sending module is detected, for determining network ID, and it is determined that detection bag is sent after network ID, not network
Terminal node random delay certain time after send detection reply bag；
Networking bag sending module, replys bag, and send bag to the terminal node not networked for receiving the detection
Networking bag containing the network ID, is netted back with causing the terminal node not networked to network and transmit into according to the network ID
Multiple bag.
Preferably, gateway node of the invention also includes：
The judge module of node state first, for according to the networking reply bag that the terminal node is sent is received, knowing
The terminal node is normal terminal node；
Heartbeat packet sending module, sends heartbeat packet, to cause for separated in time to the normal terminal node
State normal terminal node and send heartbeat reply bag；
The judge module of node state second, for according to the heartbeat reply bag is received, knowing the normal terminal section
Point is still normal.
According to the fourth aspect of the present invention, a kind of terminal node is also provided, including：
Bag sending module is replied in detection, for receiving probe data packet, is judged to know not enter according to the probe data packet
Net, sends detection to gateway node after random delay certain time and replys bag, to cause the gateway node to send comprising described
The networking bag of network ID；
Network and reply bag sending module, for receiving the bag that networks, network and transmit into according to the network ID and net back
Multiple bag.
Preferably, terminal node of the invention also includes,
Bag sending module is replied in heartbeat, for receiving heartbeat packet, and sending heartbeat to gateway node according to the heartbeat packet returns
Multiple bag.
According to the fifth aspect of the present invention, a kind of remote low power consumption network system is also provided, including：
Gateway node, for determining network ID, and it is determined that detection bag is sent after network ID, to cause the terminal not networked
Detection is sent after node random delay certain time and replys bag；
Receive the detection and reply bag, and the networking for including the network ID is sent to the terminal node not networked
Bag, the terminal node not networked to be networked according to the network ID and transmit into net to reply bag；
Terminal node, for receiving probe data packet, knows according to probe data packet judgement and does not network, random delay
Detection is sent to gateway node after certain time and reply bag, to cause the gateway node to send the networking for including the network ID
Bag；
The bag that networks is received, is networked according to the network ID and transmits into net and reply bag.
A kind of remote low power consumption network system and network-building method that the application is proposed, by by terminal node random delay
Certain time sends detection and replys bag, it is to avoid multiple terminal nodes send the problem of packet triggers conflict, and group simultaneously
The packet of network process transmission/reception is less, reduces networking difficulty, is conducive to the popularization of remote low power consumption network.
Brief description of the drawings
Fig. 1 is the networking schematic flow sheet of the remote low power consumption network according to the embodiment of the present invention；
Fig. 2 is the networking schematic flow sheet of the remote low power consumption network according to the embodiment of the present invention；
Fig. 3 is the structural representation of the gateway node according to the embodiment of the present invention；
Fig. 4 is the structural representation of the terminal node according to the embodiment of the present invention；
Fig. 5 is the networking schematic flow sheet of the remote low power consumption network according to the embodiment of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Existing remote low power consumption network is during networking, because the probe data packet that gateway node is sent does not have
Target mac addresses are set, and all terminal nodes in gateway node transmission range can receive probe data packet, when
When there are multiple terminal nodes to gateway node transmission detection reply bag, it may appear that while the situation of packet is sent, and due to
The transmission feature of remote low power consumption network, when multiple terminal nodes send packet simultaneously, will cause gateway node can not
These are received while send the packet that any one terminal node in the terminal node of packet is sent, and then causes networking to be lost
Lose.In order to solve the above problems, the present invention provide it is a kind of overcome above mentioned problem or solve the above problems at least in part it is remote
Apart from low power consumption network system and network-building method.
In order to solve the above problems, the embodiments of the invention provide a kind of network-building method of remote low power consumption network.For
Readily appreciate, this first to the present embodiment and subsequent embodiment in the related notion that may relate to be explained：
Remote low power consumption network (English abbreviation：LPWAN, English full name：Low Power Wide Area
Network)：Belong to a kind of technology of new networking, remote low power consumption network at least includes terminal node and gateway node
Two parts, wherein, terminal node is used to observe LPWAN protocol specifications, realizes point-to-point long-distance transmissions.Gateway node：It is negative
The uplink data of receiving terminal node is blamed, data then are gathered into one, and each individually backhaul is connected, and realizes data
Collect and forward.
Packet：The data transfer of gateway node and terminal node using packet as carrier, packet include header and
Content information, header includes basic communication protocol information, and all packets are all based on header and are transmitted, content
Information is the data division of packet, can be sky, and header at least includes herein below：
The mac addresses of source mac addresses, i.e. packet sender itself, can not be sky；
The mac addresses of target mac addresses, i.e. packet recipient, when gateway node non-directional is transmitted, target mac
Location can be sky, and because terminal node can only communicate with gateway node, therefore the target mac addresses of terminal node are gateway section
The mac addresses of point,；
Network ID, the unique mark of the network residing for packet sender itself, is confirmed by gateway node, due to gateway section
Point and network ID are unique, therefore when network ID is determined, what the mac addresses of gateway node were also to determine.
Gateway node and terminal node that the above is previously mentioned, are that the present embodiment and subsequent embodiment may relate to
Executive agent.The network-building method of the remote low power consumption network proposed in the present embodiment and subsequent embodiment, mainly passes through gateway
Interaction realization between node and terminal node.It should be noted that due to usually there will be in remote low power consumption network
Great amount of terminals node needs access network, for the ease of being managed to terminal node, so that the group based on terminal node is special
Property, before the present embodiment and subsequent embodiment is performed, terminal node can be also distributed to different node groups, the present embodiment pair
This is not especially limited.
Terminal node is being distributed to before different node groups, can first determine several indicators of distribution, including but do not limit
In：The type of the users of end node devices, the affiliated area of terminal node and terminal node.Wherein, terminal node
Owning user refers to which user terminal node belongs to, and the affiliated area of terminal node refers to the area where terminal node
Domain, the type of terminal node refers to the purpose classification of terminal node.In addition, each terminal node can possess above three point
With index.
Based on the above, the present embodiment and subsequent embodiment be not to terminal node is distributed to the mode of different node groups
Make specific restriction, include but is not limited to：Based on the distance between terminal node, by the terminal node with same allocated index point
It is assigned to same node group., can be by phase when terminal node is distributed to different node groups based on the distance between terminal node
Gauge is distributed to same node group from the terminal node in the range of pre-determined distance.Meanwhile, the terminal node in same equipment group
There can be identical indicator of distribution.
Based on the above, the present embodiment provides a kind of method of network entry of remote low power consumption network, and this method is applied to
Gateway node, referring to Fig. 1, this method includes：101st, network ID is determined, and it is determined that detection bag is sent after network ID, to cause
Detection is sent after the terminal node random delay certain time not networked and replys bag；102nd, the detection reply is received to wrap, and to
The terminal node that does not network sends the networking bag for include the network ID, with the terminal node that does not network described in causing according to
The network ID, which networks and transmits into net, replys bag.
It should be noted that critical data when network ID is each gateway node networking, due in the embodiment of the present invention
All terminal nodes can only be communicated with gateway node, if not made a distinction to networking, the end received when gateway node
During the packet that end node is sent, gateway node can not know whether the packet is really intended to transmit in itself networking
's.Therefore, the embodiment of the present invention determines network ID in networking firstly the need of by gateway node, what different gateway nodes was determined
Network ID is different.
After gateway node confirms network ID, gateway node sends detection bag.Detection bag is a kind of net in gateway node
The packet that non-directional is transmitted in network transmission range, that is to say, that as long as in the network transmission scope of gateway node, it is all
Terminal node can be received.In detection bag, source mac addresses are the mac addresses of gateway node itself, and target mac addresses,
Network ID and content information are sky, hereinafter referred to as gateway mac addresses.
In addition, random delay is a significant process of the network-building method of the embodiment of the present invention, because detection bag belongs to non-
The packet of directional transmissions, therefore gateway node may receive the detection reply bag that multiple terminal nodes are sent simultaneously, and
According to the characteristic of wireless network, if there is multiple terminal nodes to send packet simultaneously, gateway will be unable to can not receive these simultaneously
All packets sent.Therefore, the conflict wrapped generation is replied in order to avoid terminal node is detected, terminal node is replied in transmission
The scheme of random delay is employed during bag, i.e., when terminal node receives detection bag and judges to know that bag is replied in transmission detection,
It can be sent again to gateway node random delay certain time.Empirical tests, if the ratio that random number takes is more uniform, at least 200 with
Interior terminal node there will not be the situation of transmission collision.
Detection reply the detective survey time wrap again in source mac addresses be terminal node itself mac addresses, target mac addresses
For gateway mac addresses, network ID and content information are sky.
Gateway node is sky according to network ID in the packet received and content information, learns that receive is to detect back
Multiple bag, receives detection and replys after bag, and gateway node is it is known that also have the terminal section not networked in the range of current network
Point, replys the source mac addresses in bag according to detection, has just known the mac addresses for the terminal node not networked, next just to not
The terminal node of networking sends the networking bag for including the network ID, and the bag that networks is so that the terminal node not networked is according to the net
Network ID, which networks and transmits into net, replys bag, and the source mac addresses in the bag that networks are the mac addresses of gateway node, and target mac addresses are
The mac addresses of terminal node, network ID is the network ID that gateway node is set, and content information is sky.Obviously, networking bag is one
The packet of point-to-point transmission, the only correct terminal node in target mac addresses could be replied, therefore be just not present multiple
Terminal node sends the conflict of packet simultaneously.
On the basis of above-described embodiment, also include after step 102：
According to the networking reply bag that the terminal node is sent is received, it is normal terminal section to know the terminal node
Point；
Separated in time sends heartbeat packet to the normal terminal node, to cause the normal terminal node to send the heart
Rebound is wrapped again；
Bag is replied according to the heartbeat is received, knows that the normal terminal node is still normal.
It should be noted that gateway node can not be empty according to network ID in the packet received and content information is
Sky, know receive be network reply bag, when receive network reply bag when, you can know that terminal node has now entered
Net, and think that the terminal node is normal node.
In the present embodiment, it is required for the terminal node progress training in rotation to networking to be confirmed whether to network at regular intervals,
So-called training in rotation is to send a packet successively to all terminal nodes of networking, can be obtained according to the content of the packet of reply
Know whether keep normal.The packet sent during for verifying whether still normal referred to as heartbeat packet, phychology bag is wrapped with networking
Difference be, the content information in heartbeat packet for sky.Obviously, heartbeat packet is also the packet of a directive sending, will not
Generation terminal node sends the problem of packet produces conflict.
Gateway node is not sky according to network ID and content information in the packet received, knows that receive is the heart
Rebound is wrapped again.Source mac addresses in bag are replied according to networking and know that the state of the terminal node is still normal.
On the basis of the various embodiments described above, also include after step 102：
According to the networking reply bag that the terminal node is sent is not received, it is abnormal terminals section to know the terminal node
Point；
Separated in time sends heartbeat packet to the abnormal terminals node, to cause abnormal normal terminal node to send the heart
Rebound is wrapped again；
Bag is replied according to the heartbeat is received, knows that the abnormal terminals node has networked and has been converted to normal terminal section
Point；Or
Bag is replied according to the heartbeat is not received, the bag that networks is sent to the abnormal terminals node, so that the exception
Terminal node, which sends to network, replys bag；
Bag is replied according to described network is received, knows that the abnormal terminals node has networked and has been converted to normal terminal section
Point.
It should be noted that if gateway node, which does not receive networking, replys bag, judge the abnormal state of terminal node, and
Record the mac addresses of the terminal node of the abnormal state.At regular intervals, gateway node also can to abnormal state terminal section
Whether point sends heartbeat packet, be converted to normally with the state for knowing terminal node.
Gateway node is not sky according to network ID and content information in the packet received, knows that receive is the heart
Rebound is wrapped again.Source mac addresses in bag are replied according to networking and know that the terminal node has networked, i.e., are converted to normally by abnormality
State.
If gateway node does not receive the heartbeat and replys bag, the bag that networks is sent to abnormal terminals node, so that described
Abnormal terminals node, which sends to network, replys bag；
Bag is replied according to described network is received, knows that the abnormal terminals node has networked and has been converted to normal terminal section
Point, if gateway node does not receive networking then and replys bag, knows that the gateway node is still within abnormality.
Based on the content of above-mentioned Fig. 1 correspondence embodiments, the embodiment of the present invention provides a kind of entering for remote low power consumption network
Network method, this method is applied to terminal node, participates in Fig. 2, and this method includes：
201st, probe data packet is received, is known according to probe data packet judgement and not networked, random delay certain time
Detection is sent to gateway node afterwards and reply bag, to cause the gateway node to send the networking bag for including the network ID；
202nd, receive the bag that networks, networked according to the network ID and transmit into net and reply bag.
It should be noted that terminal node is sky according to target mac addresses, network ID and content information, receipts are known
To be detection bag, subsequent terminal node enters the target mac addresses that the gateway mac addresses that include are preserved with itself in bag are detected
Capable to compare, if identical, terminal node does not send detection to the gateway node and replys bag, if it is different, then illustrating not add before this
Enter in the network of the gateway node, sending detection to gateway node after random delay certain time replys bag, and detection is replied in bag
Source mac addresses be terminal node itself mac addresses, target mac addresses be gateway mac addresses, network ID and content information
For sky.
Gateway node is receiving meeting directive sending networking bag after bag is replied in detection, and terminal node is according to the data received
Network ID is not empty in bag and content information is empty, knows that receive is the bag that networks, and receives after networking bag, obtains gateway section
The network ID of network where point just has networking qualification, and terminal node sends to network to gateway node replys bag, networks and replys
Mac information in source is the mac addresses of terminal node in bag, and target mac information is gateway mac addresses, and network ID sets for gateway node
The network ID put, while content information continues as sky.
Because there may be the terminal node and gateway node of different company's arrangement in a region, certain a company
Remote low power consumption network may only want to add with the supporting terminal node of the gateway node of oneself, therefore, only according to net
The inconsistent detection reply bag that just sends in target mac addresses that pass mac addresses and terminal node itself is preserved is unadvisable, one
In individual alternative embodiment, the certain content of certain byte is set, to represent the company where oneself or itself work(in mac addresses
Can or other particular features information, when gateway mac addresses are different from the target mac addresses that itself is preserved, terminal node after
It is continuous to be compared the mac addresses of itself and the specified byte of gateway mac addresses, if unanimously, judging terminal node and gateway
Node belongs to same class, then terminal node sends detection to the gateway node and replys bag, if inconsistent, illustrates terminal node
Belong to inhomogeneity with gateway node, terminal node does not send detection to gateway node and replys bag.Detection is with replying the source mac in bag
Location is the mac addresses of terminal node itself, and target mac addresses are gateway mac addresses, and network ID and content information are sky.
On the basis of the various embodiments described above, the method for random delay includes：
Terminal node is received after detection bag, takes the random number a of [0-99] scope, is then sent and visited with a × 10ms time
Survey time wraps again.
On the basis of above-described embodiment, also include after step 202：
Heartbeat packet is received, sending heartbeat to gateway node according to the heartbeat packet replys bag.
It should be noted that terminal node is not sky according to content information in the packet received, the packet is known
For heartbeat packet, and to gateway node send heartbeat and reply and wrap, mac of the source mac addresses in bag for terminal node is replied in heartbeat
Location, target mac addresses are gateway mac addresses, and network ID is the network ID that gateway node is determined, content information is with receiving
The consistent content information of content information in heartbeat packet.
Based on the content of above-mentioned Fig. 1 or Fig. 2 correspondence embodiments, the embodiment of the present invention provides a kind of remote low power consumption network
Method of network entry, this method relates generally to gateway node and terminal node.And realized by interaction between the two, for the ease of saying
Bright, by taking gateway node as an example, the process to this method is illustrated, and participates in Fig. 3, and this method includes：
301st, gateway node determines network ID, and it is determined that sending detection bag after network ID；
302nd, terminal node receives detection bag, and is not networked with judging to know according to probe data packet, the timing of random delay one
Between after to gateway node send detection reply bag；
303rd, gateway node receives detection and replys bag, and the networking bag for including the network ID is sent to the terminal node；
304th, terminal node receives the bag that networks, and is networked according to network ID and transmits into net and replys bag；
305th, gateway node, which receives to network, replys bag, and it is normal terminal node to know the terminal node；
306th, gateway node separated in time sends heartbeat packet to the terminal node；
307th, terminal node receives heartbeat packet, and sends heartbeat reply bag to gateway node；
308th, gateway node receives heartbeat and replys bag, obtains terminal node and keeps into net state.
Wherein, 301, gateway node determines network ID, and it is determined that sending detection bag after network ID.
Gateway node confirms network ID, critical data when network ID is each gateway node networking, different gateway sections
The network ID that point is determined is different.After gateway node confirms network ID, gateway node sends detection bag.Detection bag is one kind in net
The packet that non-directional is transmitted in the network transmission scope of artis, that is to say, that as long as in the network transmission model of gateway node
In enclosing, all terminal nodes can be received.In detection bag, source mac addresses are the mac addresses of gateway node itself, mesh
It is sky to mark mac addresses, network ID and content information, hereinafter referred to as gateway mac addresses.
Wherein, 302, terminal node receives detection bag, and is not networked with judging to know according to probe data packet, random delay one
Detection is sent to gateway node reply bag after fixing time.
When terminal node receives detection bag, it is sky according to target mac addresses, network ID and content information, knows
What is received is detection bag, and subsequent terminal node will detect the gateway mac addresses included in bag and the target mac addresses itself preserved
It is compared, if identical, terminal node does not send detection to the gateway node and replys bag, if it is different, then illustrating do not have before this
The network of the gateway node is added, terminal node sends detection to the gateway node and replys bag, and detection is with replying the source mac in bag
Location is the mac addresses of terminal node itself, and target mac addresses are gateway mac addresses, and network ID and content information are sky.
Wherein, 303, gateway node receives detection and replys bag, and sends entering comprising the network ID to the terminal node
Net bag.
Gateway node is sky according to network ID in the packet received and content information, learns that receive is to detect back
Multiple bag, the mac addresses that terminal node is learnt in the source mac addresses of bag are replied according to detection, are then sent and are networked to the mac addresses
Bag.Obviously, the bag that networks is the packet of directive sending, and the source mac addresses in the bag that networks are the mac addresses of gateway node, target
Mac addresses are the mac addresses of terminal node, and network ID is the network ID that gateway node is set, and content information is sky.
Wherein, 304, terminal node receives the bag that networks, and is networked according to network ID and transmits into net and reply and wrapped.
Terminal node is not empty according to network ID in the packet received and content information is empty, know receive be
Network bag, receive networking bag after, obtain gateway node where network network ID just have networking qualification, terminal node to
Gateway node, which sends to network, replys bag, and network the mac addresses for replying that source mac information in bag is terminal node, and target mac information is
Gateway mac addresses, network ID is the network ID that gateway node is set, while content information continues as sky.
Wherein, 305, gateway node, which receives to network, replys bag, and it is normal terminal node to know the terminal node.
Gateway node is not empty according to network ID in the packet received and content information is empty, know receive be
Network and reply bag, gateway node just knows that the terminal node networks and shape by extracting the source mac information for networking and replying in bag
State is normal, and records the mac addresses of the normal terminal node of the state；If gateway node does not receive networking and replys bag, sentence
The abnormal state of disconnected terminal node, and record the mac addresses of the terminal node of the abnormal state.
Wherein, 306, separated in time sends heartbeat packet to the terminal node.
At regular intervals, all terminal nodes of the gateway node into net send heartbeat packet, phychology bag and the bag that networks
Difference is that the content information in heartbeat packet is not sky.It is to know terminal node for the normal terminal node of state
State it is whether still normal, be to know whether the state of terminal node is changed for the terminal node of abnormal state
To be normal.Obviously, heartbeat packet is also the packet of a directive sending, will not occur terminal node and send packet generation conflict
The problem of.
Wherein, 307, terminal node receives heartbeat packet, and to gateway node sends heartbeat and reply and wrap.
Terminal node is not sky according to content information in the packet received, and it is heartbeat packet to know the packet, and to
Gateway node sends heartbeat and replys bag, and the source mac addresses that heartbeat replys in bag are the mac addresses of terminal node, target mac addresses
For gateway mac addresses, network ID is the network ID that gateway node is determined, content information is and the content in the heartbeat packet that receives
The consistent content information of information.
308th, gateway node receives heartbeat and replys bag, obtains terminal node and keeps into net state.
Gateway node is not sky according to network ID and content information in the packet received, knows that receive is the heart
Rebound is wrapped again.Source mac addresses in bag are replied according to networking and know that the state of the terminal node is still normal.
For the terminal node of abnormality, if gateway node does not receive heartbeat and replys bag, continue to terminal node
The bag that networks is sent, if gateway node subsequently receives networking and replys bag, knows that the gateway node is normal, if gateway node does not have then
Receive networking and reply bag, then know that the gateway node is still within abnormality.
The network-building method of the remote low power consumption network provided according to Fig. 1, Fig. 2 or Fig. 3 correspondence embodiment, the present invention is real
Apply example and a kind of gateway node is provided, the gateway node is used to perform the network-building method that above-mentioned Fig. 1 correspondences embodiment is provided, and can
Part or all of function for performing gateway node in the method for network access that above-mentioned Fig. 3 correspondences embodiment is provided.Participate in
Fig. 4, the gateway node includes：
Bag sending module 401 is detected, for determining network ID, and it is determined that detection bag is sent after network ID, to cause not
Detection is sent after the terminal node random delay certain time of networking and replys bag；
Networking bag sending module 402, replys bag, and send to the terminal node not networked for receiving the detection
Networking bag comprising the network ID, to cause the terminal node not networked to be networked according to the network ID and transmit into net
Reply bag.
In one alternate embodiment, gateway node also includes：
The judge module of node state first, for according to the networking reply bag that the terminal node is sent is received, knowing
The terminal node is normal terminal node；
Heartbeat packet sending module, sends heartbeat packet, to cause for separated in time to the normal terminal node
State normal terminal node and send heartbeat reply bag；
The judge module of node state second, for according to the heartbeat reply bag is received, knowing the normal terminal section
Point is still normal.
Gateway device provided in an embodiment of the present invention, is wrapped, and detected back receiving it is determined that sending detection after network ID
After multiple bag, the bag that networks is sent to the terminal node for sending detection reply bag, so that terminal node networking, and every certain
Time, gateway device all can send heartbeat packet to the terminal node networked before, if being successfully received heartbeat replys bag, know
The terminal node is still in net, further, at regular intervals, and the terminal node that gateway device bucket also can not network is sent
Heartbeat packet, if being successfully received heartbeat replys bag, knows that the terminal node in net, is replied if not receiving heartbeat
Wrap, then send the bag that networks again, know terminal node whether in net according to the reply bag that networks subsequently whether is received.
The network-building method of the remote low power consumption network provided according to Fig. 1, Fig. 2 or Fig. 3 correspondence embodiment, the present invention is real
Apply example and a kind of terminal node is provided, the terminal artis is used to perform the network-building method that above-mentioned Fig. 2 correspondences embodiment is provided, and
Available for the part or all of function of performing terminal node in the method for network access that above-mentioned Fig. 3 correspondences embodiment is provided.Ginseng
Plus Fig. 5, the terminal node includes：
501st, bag sending module is replied in detection, for receiving probe data packet, is judged to know according to the probe data packet
Do not network, sending detection to gateway node after random delay certain time replys bag, to cause the gateway node is sent to include
The networking bag of the network ID；
502nd, network and reply bag sending module, for receiving the bag that networks, network and transmit into according to the network ID
Net replys bag.
In one alternate embodiment, terminal node also includes：
Bag sending module is replied in heartbeat, for receiving heartbeat packet, and sending heartbeat to gateway node according to the heartbeat packet returns
Multiple bag.
Terminal node provided in an embodiment of the present invention, after probe data packet is received, judges whether to have networked, if not having
There is networking, then sending detection to gateway node replys bag, then receives the networking bag that gateway node is sent, networks and transmit into net
Bag is replied, in a certain time interval, if receiving the heartbeat packet of gateway node transmission, heartbeat is sent to gateway node and replys
Bag.
Finally, the present processes are only preferably embodiment, are not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc. should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of method of network entry of remote low power consumption network, it is characterised in that including：
Network ID is determined, and it is determined that detection bag is sent after network ID, to cause the terminal node random delay not networked certain
Detection is sent after time and replys bag；
Receive the detection and reply bag, and the networking bag for including the network ID is sent to the terminal node not networked, with
So that the terminal node not networked, which networks according to the network ID and transmits into net, replys bag.
2. the method for network entry of remote low power consumption network as claimed in claim 1, it is characterised in that also include：
According to the networking reply bag that the terminal node is sent is received, it is normal terminal node to know the terminal node；
Separated in time sends heartbeat packet to the normal terminal node, to cause the normal terminal node sends heartbeat to return
Multiple bag；
Bag is replied according to the heartbeat is received, knows that the normal terminal node is still normal.
3. the method for network entry of remote low power consumption network as claimed in claim 1, it is characterised in that also include：
According to the networking reply bag that the terminal node is sent is not received, it is abnormal terminals node to know the terminal node；
Separated in time sends heartbeat packet to the abnormal terminals node, to cause abnormal normal terminal node sends heartbeat to return
Multiple bag；
Bag is replied according to the heartbeat is received, knows that the abnormal terminals node has networked and has been converted to normal terminal node；
Or
Bag is replied according to the heartbeat is not received, the bag that networks is sent to the abnormal terminals node, so that the abnormal terminals
Node, which sends to network, replys bag；
Bag is replied according to described network is received, knows that the abnormal terminals node has networked and has been converted to normal terminal node.
4. a kind of method of network entry of remote low power consumption network, it is characterised in that including：
Probe data packet is received, is known according to probe data packet judgement and not networked, to gateway after random delay certain time
Node sends detection and replys bag, to cause the gateway node to send the networking bag for including the network ID；
Receive the bag that networks, networked according to the network ID and transmit into net and reply bag.
5. the method for network entry of remote low power consumption network as claimed in claim 4, it is characterised in that also include：
Heartbeat packet is received, sending heartbeat to gateway node according to the heartbeat packet replys bag.
6. a kind of gateway node, it is characterised in that including：
Bag sending module is detected, for determining network ID, and it is determined that detection bag is sent after network ID, to cause the end not networked
Detection is sent after end node random delay certain time and replys bag；
Networking bag sending module, replys bag, and send comprising institute to the terminal node not networked for receiving the detection
The networking bag of network ID is stated, the terminal node not networked to network according to the network ID and transmit into net to reply
Bag.
7. gateway node as claimed in claim 6, it is characterised in that also include：
The judge module of node state first, for according to the networking reply bag that the terminal node is sent is received, knowing described
Terminal node is normal terminal node；
Heartbeat packet sending module, for separated in time to the normal terminal node send heartbeat packet, with cause it is described just
Normal terminal node sends heartbeat and replys bag；
The judge module of node state second, for according to the heartbeat reply bag is received, knowing the normal terminal node still
It is so normal.
8. a kind of terminal node, it is characterised in that including：
Bag sending module is replied in detection, for receiving probe data packet, is known according to probe data packet judgement and not networked, with
Detection is sent to gateway node after machine delay certain time and reply bag, to cause the gateway node is sent to include the network ID
Networking bag；
Network and reply bag sending module, for receiving the bag that networks, networked according to the network ID and transmit into net and reply bag.
9. terminal node as claimed in claim 8, it is characterised in that also include,
Bag sending module is replied in heartbeat, for receiving heartbeat packet, and sending heartbeat to gateway node according to the heartbeat packet replys bag.
10. a kind of remote low power consumption network system, it is characterised in that including：
Gateway node, for determining network ID, and it is determined that detection bag is sent after network ID, to cause the terminal node not networked
Detection is sent after random delay certain time and replys bag；
Receive the detection and reply bag, and the networking bag for including the network ID is sent to the terminal node not networked, with
So that the terminal node not networked, which networks according to the network ID and transmits into net, replys bag；
Terminal node, for receiving probe data packet, knows according to probe data packet judgement and does not network, random delay is certain
Detection is sent to gateway node after time and reply bag, to cause the gateway node to send the networking bag for including the network ID；
The bag that networks is received, is networked according to the network ID and transmits into net and reply bag.
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| CN107257563B (en) | 2020-08-07 |
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