CN110087313A - A kind of low-power consumption narrowband wireless network terminal networking bootstrap technique - Google Patents
A kind of low-power consumption narrowband wireless network terminal networking bootstrap technique Download PDFInfo
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- CN110087313A CN110087313A CN201910397483.6A CN201910397483A CN110087313A CN 110087313 A CN110087313 A CN 110087313A CN 201910397483 A CN201910397483 A CN 201910397483A CN 110087313 A CN110087313 A CN 110087313A
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- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 230000002123 temporal effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000005457 optimization Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 6
- 238000013441 quality evaluation Methods 0.000 abstract 1
- 108091006146 Channels Proteins 0.000 description 225
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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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
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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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
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- 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 relates to a kind of low-power consumption narrowband wireless network terminal networking bootstrap techniques.Low-power consumption narrowband wireless network includes at least terminal, gateway and server, realize that terminal networking bootstrap technique main process is gateway in default home channel periodic broadcast access channel resource information, enter preset home channel after terminal starting, and obtains access channel resource information；Terminal carries out quality evaluation to access channel is obtained, and preferred channels is selected to implement to network；Terminal, gateway Collaboration Server are recorded to access channel using result information, server is that gateway and terminal update access channel resource and channel estimating strategy using result information according to previous access channel, to improve because of the efficiency and reliability that terminal networks under the complex scenes such as diverse geographic location, different channels environment and different gateway coverings.
Description
Technical field
The present invention relates to wireless communication, low-power consumption narrowband wireless communication network, Internet of Things and its smart home, security protection,
The industrial applications fields such as intelligent parking, wireless tracking device；Relate more specifically to terminal in a kind of low-power consumption narrowband wireless network to enter
Net guided method.
Background technique
In recent years, Internet of Things narrowband wireless communication technology is quickly grown, using NB-IOT and LoRa technology as the low function of representative
Consumption wan technology is quickly applied.NB-IOT technology is evolution on the basis of existing LTE network based on authorizing frequency spectrum
, stable Internet of Things wirelessly access can be provided.LoRa is a kind of privately owned environment of user oriented, can independence networking
Internet of Things narrowband wireless communication and networking technology can be applied to various industries sensor data acquisition, control and low rate communication
Scene.
Either NB-IOT or LoRa technology belongs to a kind of low-power consumption narrowband wireless technology.It is compared to existing
The technologies such as 3G, 4G network, WiFi, radio network technique typical feature in Internet of Things low-power consumption narrowband is exactly equipment operating power consumption
Low, narrow bandwidth, therefore it is also more suited for sensor and low rate application.
Internet of Things narrowband wireless network usually with Star Network networking, that is, center of the base station as network, with
The realization of multiple terminals is connected to the network, and is not communicated usually between terminal and terminal, similar to the networking of present mobile phone and base station
Form.The benefit of this networking is that network topology is simple, thus brings equipment network agreement relatively easy, and terminal function is effectively reduced
Consumption.
In this basic hub-and-spoke network topology, it is a kind of fundamental operation of network operation that terminal device, which networks, mainly
Realize that terminal is added network and is registered in a network.The networking of wireless terminal is usually around terminal is found after actuation
Gateway, and access gateway, establish link.General terminal can establish communication link in scheduled channel and gateway or base station,
Then it is registered in background server.Wireless network terminal, which networks, mainly to be solved quickly, accurately, reliably to connect on link layer
Enter the foundation with link.NB-IOT network is operate on authorization frequency spectrum, and the access channel of terminal will not be interfered, channel spectrum
Resource has preferable guarantee.Internet of Things narrowband wireless network based on LoRa technology works in unauthorized frequency range, and terminal, which networks, to be believed
Road is easy to be interfered, to reduce networking efficiency and success rate.Whether frequency spectrum authorizes only influence access channel availability
A factor, but the method to network will affect the efficiency and success rate of networking, and good method of network entry can be effectively reduced terminal and exist
Power consumption during networking.Especially terminal usually works as multirate system in Internet of Things narrowband wireless network, it means that
Longer grouping transmission and access delay, thus also bring along more energy consumptions.
In order to improve the networking efficiency and reliability of Internet of Things narrowband wireless network terminal, needs to design reasonable network and draw
Guiding method.Chinese invention patent CN201710153202.3 discloses a kind of wireless communications method and system, mentions in claim
A kind of method is protected out, and main feature includes: to configure frequency for newly-increased Lora terminal, forms frequency ordered set；The frequency
Twice of signal bandwidth is divided into rate ordered set between frequency；The Lora terminal is successively according in the frequency ordered set
Frequency search Lora gateway, the wireless signal until obtaining Lora gateway；The frequency configuration of the terminal can be used NFC and connect
Mouthful.Beneficial effect is mentioned in summary of the invention be that newly-increased Lora terminal can search for automatically according to preconfigured frequency currently may be used
Lora gateway improves wireless communication system and expands capacity to be automatically added in existing wireless communication system
Convenience.
This method proposes that carrying out access in scheduled frequency sets is the common method of wireless communication field.Due to network
Multiple different usual available networking predetermined frequencies of area differentiation, the spectrum environment of deployment are a kind of common ways.For going out
When many factors such as existing channel circumstance, network terminal quantity, gateway covering change, foregoing invention patent the method cannot
Effectively solve terminal networking efficiency and reliability.
Chinese invention patent CN201710123829.4 discloses a kind of cut-in method of LoRaWAN Internet of Things application, main
It include the process how application run in terminal in the system based on LoRaWAN agreement is registered in background server
And method.This method is not directed to narrowband wireless network terminal link layer method of network entry, belongs to application layer networking.
Chinese invention patent CN201510445516.1 provides the letter that a kind of mode including timesharing solves multiple terminals
Road competing method is not directed to terminal networking bootstrap technique.
Chinese invention patent CN201710207828.8 provide it is a kind of define LoRa network topology structure method and be
System, is not directed to terminal method of network entry.
Chinese invention patent CN201610390216.2 provides a kind of dynamic channel competition side based on time distribution
Method is not directed to the method for network entry of terminal.
To sum up analyze, prior art means and applied in patent of invention for solve channel variation, for solve
There is terminal under the complex environment changed and network not in many factors such as appearance channel circumstance, network terminal quantity, gateway covering
The solution provided.
The present invention is exactly directed under above-mentioned this complex environment, proposes that effectively solving low-power consumption narrowband wireless network terminal enters
Network method, to improve the efficiency of terminal networking, reduce time delay and power consumption, promotion reliability.
Summary of the invention
The present invention proposes a kind of terminal networking bootstrap technique for low-power consumption narrowband wireless network.Involved low-power consumption is narrow
Band network includes at least server, gateway and terminal.Method of network entry proposed by the invention considers in channel circumstance, number of terminals
Under the complex situations of multiple networks environment dynamic change such as amount, gateway covering, it can make terminal is reliable, efficiently accesses network to take
Business device.
The key step of the terminal networking bootstrap technique and it is characterized by:
A) gateway presets home channel, and provides broadcast service in home channel；
B) terminal obtains access channel resource information in preset home channel；
C) terminal assesses access channel resource, selects access channel with optimization strategy, and implement to network；
D) terminal, gateway, server are cooperateed with according to networking result information updates access channel resource and assessment strategy.
Further, above-mentioned steps A) it is characterized in that:
A1) gateway presets home channel of the determining channel as the service that provides the terminal with, and in the channel with the period
Mode broadcasting network channels information；
A2) gateway is calculated by server or rule and obtains home channel list；
A3) gateway calculates the period for obtaining broadcast by server or rule；
Further, above-mentioned steps B) it is characterized in that:
B1) terminal obtains home channel list according to preset home channel list computation rule；
B2) terminal enter selection home channel receive the periodic broadcast information from gateway, and therefrom obtain about
Access channel resource information；
Further, above-mentioned steps C) it is characterized in that:
C1) terminal carries out channel estimating according to the existing access channel quality information obtained from gateway or terminal records；
C2) terminal selects access channel to many index Weighted optimal with preset rules from assessment result；
Further, above-mentioned steps D) it is characterized in that:
D1) terminal records previous used access channel result information, includes at least success or failure information；
D2) gateway Collaboration Server records all access channel result informations；
D3) terminal Collaboration Server record networking result updates access channel resource information；
D4) server broadcasts access channel resource information in home channel by gateway, and new networking letter is provided for terminal
Road assessment strategy；
The terminal networking bootstrap technique, feature further comprises:
The Matrix List that the channel resource is expressed as frequency, two dimensions of time are constituted；The frequency channels at least wrap
Include the information such as frequency point, bandwidth；The temporal information is associated with frequency channels, indicates in the frequency channels residence time information；
The step A) feature A1), A2), A3) feature further comprise:
A1-1) gateway is broadcasted in preset frequency channels or the corresponding time channel of frequency channels；When described
Between channel expression work in selected frequency channels, and using broadcast channel as time synchronization starting point, be predefined in determining one or more
In a time slot；
A2-1) the preset home channel of gateway the channel list rule for being pre-stored in gateway can be used to calculate and obtain；It can also make
It is generated and sent with the home channel list computation rule prestored in server and is executed to gateway；
A3-1) time cycle of gateway broadcasts channel can be used and prestore periods rules broadcast cycle parameter be calculated at least
Including sending cycle and transmission time information；It can also be used the rule prestored in server to calculate broadcast cycle parameter and be sent to net
It closes and executes；
The step B) feature B1), B2) feature further comprise:
Terminal described in B1-1 according to the home channel list computation rule prestored include in a predetermined order traversal prestore keep
Channel list is waited, until receiving effective broadcast message, or is calculated according to the computation rule prestored and obtains home channel, and received
Broadcast message；
B2-1) terminal receives periodic broadcast information in home channel, and receiver prestores regular meter according to terminal
It calculates the cyclic parameter obtained and opens reception window reception；Or the cyclic parameter prestored from terminal determines opening time；
The step C) feature C1), C2) feature further comprise:
C1-1) terminal from have the access channel quality information that record or gateway obtain include at least channel frequency point, bandwidth,
The information such as time slot, received signal strength, success rate；
C2-1 it is preferential recommendation access channel that) terminal, which is weighted the access channel information of acquisition and takes optimal, at least
Including the weighting to bandwidth, time slot, signal strength, success rate；
The step D) feature D1), D2), D3), D4) feature further comprise:
D1-1) terminal records previous networking successful information, and feature further comprises:
Terminal is that used access channel establishes channel quality data table, and it is timely to include at least channel frequency point in tables of data
The information such as gap, networking access times, success rate.
D2-1) gateway Collaboration Server records all access channel result informations, and feature further comprises:
Gateway is that used access channel establishes channel quality data table, and it is timely to include at least channel frequency point in tables of data
The information such as gap, networking access times, success rate, and access channel qualitative data table is periodically sent to server, server pair
Access channel quality table is summarized.
D3-1) terminal Collaboration Server record networking result generates new access channel resource, and feature further comprises:
Access channel qualitative data table is periodically sent to server by gateway by terminal, and server is to terminal access channel
Quality table is summarized.Server generates access channel the Resources list according to terminal, gateway access channel qualitative data table.
D4-1) server broadcasts access channel resource information in home channel by gateway, and provides new to enter for terminal
Network channel assessment strategy, feature further comprise:
The server access channel resource information new in home channel periodic broadcast by gateway, the resource information combine
Gateway present position information and its surrounding channel circumstance and it is different；
Server provides new access channel assessment strategy for terminal, and feature includes at least more new terminal for assessing not
The weight parameter of cochannel information weighting.Terminal network when according to new network evaluation policy selection preferred channels implement into
Net.
Implementing wireless network terminal networking bootstrap technique of the present invention has the advantages that this method by waiting for
Channels broadcast and update access channel resource and assessment strategy are provided which under various complicated, multiplicity networking backgrounds for terminal
Stable inbound information.According to the access channel resource in this method, assessment and optimum selecting are carried out to access channel, to obtain
More preferably access channel；This method can also be cooperateed with according to previous access channel usage record by terminal, gateway, server,
To generate new access channel resource and assessment strategy, with cope with channel circumstance, network terminal quantity, gateway covering etc. it is a variety of because
When element changes, efficient, low time delay, reliable networking still can be realized.
Detailed description of the invention
Fig. 1 is terminal networking bootstrap technique groundwork flow diagram of the present invention；
Fig. 2 is the method for the invention embodiment terminal networking process schematic；
Fig. 3 is that channel resource plans schematic diagram in the method for the invention embodiment；
Fig. 4 is access channel selection course schematic diagram in the method for the invention embodiment；
Specific embodiment
For the ease of those skilled in the art it will be appreciated that and implement the present invention, below in conjunction with attached drawing to this hair
Bright embodiment is described further.
Low-power consumption narrowband wireless network terminal networking bootstrap technique groundwork process signal provided by the invention is such as Fig. 1 institute
Show.
Step S100, terminal starting, into home channel.Terminal is obtained according to preset home channel list computation rule
Home channel list；
Step S101, terminal obtain access channel resource information in home channel.The home channel that terminal enters selection connects
The periodic broadcast information from gateway is received, and is therefrom obtained about access channel resource information；
Step S102, terminal assess access channel resource, and preferred access channel.Terminal is according to the channel obtained from gateway
Information, with predetermined channel assess rule carry out channel estimating or terminal according to the existing access channel quality information of record into
Row channel estimating；Terminal selects access channel to many index Weighted optimal with preset rules from assessment result.
Step S103, terminal are implemented to network, and record access channel and use result information.Access channel of the terminal in selection
Middle implementation networks, and records access channel use information, for example, frequency of usage, success or failure and other channel quality informations.
Step S104, server update access channel resource.Gateway Collaboration Server records all access channel result letters
Breath；Terminal Collaboration Server records networking result and updates access channel resource information；Server is used according to all access channels
Information is recorded, the optimal access channel distribution list in each region and access channel assessment strategy are reappraised；Server passes through
Gateway broadcasts access channel resource information in home channel, and new access channel assessment strategy is provided for terminal.
Step S105, gateway are believed according to the access channel resource information and terminal access channel assessment strategy of server update
Breath, is periodically broadcasted in home channel.
Further, in step S100, terminal includes in a predetermined order according to the home channel list computation rule prestored
The home channel list prestored is traversed, until receiving effective broadcast message, or is kept according to the computation rule calculating prestored
Channel is waited, and receives broadcast message；For example, the frequency point of home channel can be set within the scope of available frequency band and add one with initial frequency
A or multiple fixed frequency range width obtain.
Further, in step S101, the terminal home channel receive periodic broadcast information, receiver according to
Terminal prestores rule and calculates the cyclic parameter opening reception window reception obtained；Or the cyclic parameter prestored from terminal is true
Determine opening time；For example, terminal obtains home channel broadcast cycle from the broadcast message of gateway.
Further, in step S102, the required channel quality information that terminal assesses channel includes at least channel frequency
The information such as point, bandwidth, time slot, received signal strength, success rate；Terminal is weighted the access channel information of acquisition and takes most
Excellent is preferential recommendation access channel, including at least the weighting to bandwidth, time slot, signal strength, success rate；
Further, in step S103, being locally stored, used access channel uses result information to terminal, is provided with
Access channel assessment afterwards uses；Access channel is sent to clothes using result information periodically or in server request by terminal
Business device, is used for server analysis and processing.
Further, in step S103, terminal records previous used access channel and uses the mode of result information extremely
Few includes establishing channel quality data table for used access channel；Channel frequency point and time slot are included at least in tables of data, are entered
The information such as net access times, success rate.
Further, in step S104, in order to enable server, which obtains access channel, uses result information, gateway and terminal
Collaboration Server recording-related information, and feed back to server.Gateway Collaboration Server records all access channel result informations
Mode to can be gateway be that used access channel establishes channel quality data table, channel frequency point is included at least in tables of data
And the information such as time slot, networking access times, success rate, and access channel qualitative data table is periodically sent to server, it services
Device summarizes access channel quality table.The mode of terminal Collaboration Server record networking result information can be terminal and pass through
Access channel qualitative data table is periodically sent to server by gateway, and server summarizes terminal access channel quality table.
Server generates access channel the Resources list according to terminal, gateway access channel qualitative data table.
Further, in step S104, server broadcasts access channel resource information in home channel by gateway, and is
Terminal provides new access channel assessment strategy；Server combination gateway present position information and its distribution of surrounding channel circumstance are not
Same access channel list and assessment strategy；Server provides new access channel assessment strategy for terminal, and feature is at least wrapped
More new terminal is included for assessing the weight parameter of different channels information weighting.Terminal is when networking according to new network evaluation strategy
Preferred channels are selected to implement to network.
One of wireless network terminal networking bootstrap technique in low-power consumption narrowband provided by the invention enters network process specific implementation
Such as shown in Fig. 2.
Step S200, gateway periodically carry out access channel in home channel according to the access channel distribution information of server
The broadcast of resource information.
Step S201, gateway are periodically carried out according to the access channel distribution information of server in another home channel
The broadcast of access channel resource information.
Further, different frequency separation channels can be used in the home channel that gateway broadcasts use, and also can be used
Different timing separation channels, the mode that frequency and time combination also can be used distinguish channel.
As shown, in step s 200, the access channel of gateway broadcasts includes CH01, CH02, CH03.
Step S202, gateway wait terminal to network in CH01, CH02, CH03 channel.
Step S203, terminal assess access channel CH01, CH02, CH03, and the channel CH02 conduct that final choice is optimal
Access channel.
Step S204, terminal are implemented to network in channel CH02.Terminal is realized by repeatedly interaction in CH02 and is networked.When
Have multiple terminals the channel selection network when, it is also possible to generate channel confliction, using at random keep away move back a time after reattempt
Networking is a kind of method for solving conflict.
Further, in step S203, terminal can determine preferred channel according to the quality of channel CH01, CH02, CH03,
For example, in this embodiment, terminal has selected to receive the strongest channel of channel signal strength as access channel.
Channel resource planning signal is as shown in Figure 3 in method of network entry embodiment of the present invention.Access channel can be one
The list of a or multiple compositions.The planning of access channel resource can be jointly fixed from different physical quantities such as frequency point, bandwidth, times
Justice.Meaning as shown in Figure 3, y direction is frequency f, and X direction is time t, and difference can be distinguished in y direction frequency
Bandwidth.
For example, in the particular embodiment, defining access channel CH01, CH02, CH03, CH04 and CH N, channel resource
It is indicated on frequency, temporal definition boundary by dash area in figure.
As shown in figure 3, CH01 is in frequency f01Place, occupied bandwidth B01, time t0-t1；CH03 is in frequency f03Place occupies band
Wide B03, time t0-t1；CH04 is in frequency f04Place, occupied bandwidth B04, time t0-t2；Where it can be seen that CH01, CH03
With different frequency point and bandwidth, duration having the same, CH04 duration longest.
Access channel selection course is as shown in Figure 4 in the method for the invention embodiment.
Step S400, server use result information according to the access channel of gateway, terminal collaborative feedback, determine shown net
It is CH01, CH02, CH03 that pass 01 and gateway 02, which use identical access channel,.
Step S401, after terminal 01 assesses channel, preferably channel CH01 is as access channel.
Step S402, after terminal 02 assesses channel, preferably channel CH02 is as access channel.
Step S403, after terminal 03 assesses channel, preferably channel CH03 is as access channel.
Further, in step S401, in this embodiment terminal 01 to receive from gateway 01 and gateway 02
Channel quality on channel CH01 carries out assessment comparison；Since terminal 01 is closer apart from gateway 01, thus obtain bigger reception
Signal strength, and gateway 02 is farther apart from terminal 01, it is weak to receive signal strength of the gateway 02 on channel CH01, terminal selection
The CH01 channel of the stronger gateway 01 of signal.
Further, in step S402, terminal 02 at a distance of gateway 02 due to relatively closely, being only capable of receiving the networking from gateway 02
Channel information, by the assessment of the received signal strength to tri- channels of CH01, CH02, CH03, preferably channel CH02 conduct
Access channel；
Further, in step S403, although terminal 03 is closer at a distance of gateway 02, due to gateway 02 and terminal 03 it
Between just there is pile group to block because causing the decaying of gateway signal；Terminal 03 is by believing CH01, CH02, CH03 tri-
Channel receiving signal intensity is assessed, in the preferred channel CH03 in present position, rather than with channel CH02 under gateway 02, this
Kind situation is since under different location, different channels fading profiles, each channel will show different channels quality.
Further, in conjunction with the specific embodiment, a kind of method of access channel assessment of the present invention are as follows:
If channel described function is
C (f, B, t)=[rssi, B, t, S]
Wherein, f is frequency parameter, and B is bandwidth parameter, and t is time parameter；For given channel, reception can be passed through
Channel strength rssi, channel width B, Channel holding time t, previous probability of success S parameters weighted value obtain channel
Assessment result.
The mass parameter of channel estimating is indicated with Q, therefore, Q can be characterized as
Q=rssi*a1+B*a2+t*a3+S*a4
Illustrate channel quality assessment process so that terminal 01 selects channel 01 as an example.If a1=a2=a3=a4=1,
The channel CH01:rssi=-70dBm, B=125kHz, t=1s, S=0 of gateway 01；Obtain Q=54；
The channel CH01:rssi=-100dBm, B=125kHz, t=1s, S=0 of gateway 02；Obtain Q=24；
Q value can select the channel CH01 of gateway 01 without unit, therefore herein.
In the above specific embodiment, to realize assessment of the terminal to gateway access channel, access channel week can be passed through
Phase property broadcast signal specific with assess gateway to terminal downlink quality.In above-described embodiment, ginseng needed for assessing channel
The assessment strategies relevant parameter such as quantity and weighting weighted value is sent to terminal through gateway by server and uses.
It is wireless to be not limited to low-power consumption narrowband as terminal networking bootstrap technique in a kind of wireless network for the method for the invention
The terminal of network enters net guided.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of low-power consumption narrowband wireless network terminal networking bootstrap technique, the wireless network include at least terminal, gateway and
Server, which is characterized in that steps are as follows for the terminal networking bootstrap technique:
A) gateway presets home channel, and provides broadcast service in home channel；
B) terminal obtains access channel resource information in preset home channel；
C) terminal assesses access channel resource, selects access channel with optimization strategy, and implement to network；
D) terminal, gateway, server are cooperateed with according to networking result information updates access channel resource and assessment strategy.
2. terminal networking bootstrap technique according to claim 1, which is characterized in that the step A comprising steps of
A1) gateway presets home channel of the determining channel as the service that provides the terminal with, and the channel in a periodic manner
Broadcasting network channels information；
A2) gateway is calculated by server or rule and obtains home channel list；
A3) gateway calculates the period for obtaining broadcast by server or rule.
3. terminal networking bootstrap technique according to claim 1, which is characterized in that the step B comprising steps of
B1) terminal obtains home channel list according to preset home channel list computation rule；
B2) home channel that terminal enters selection receives the periodic broadcast information from gateway, and therefrom obtains about networking
Channel resource information.
4. terminal networking bootstrap technique according to claim 1, which is characterized in that the step C comprising steps of
C1) terminal carries out channel estimating according to the existing access channel quality information obtained from gateway or terminal records；
C2) terminal selects access channel to many index Weighted optimal with preset channel assessment strategy from assessment result.
5. terminal networking bootstrap technique according to claim 1, which is characterized in that the step D comprising steps of
D1) terminal records previous used access channel result information, includes at least success or failure information；
D2) gateway Collaboration Server records all access channel result informations；
D3) terminal Collaboration Server record networking result updates access channel resource information；
D4) server broadcasts access channel resource information in home channel by gateway, provides new access channel for terminal and comments
Estimate strategy.
6. terminal networking bootstrap technique according to claim 1, it is characterised in that:
The Matrix List that the channel resource is expressed as frequency channels, two dimensions of temporal information are constituted；The frequency channels are extremely
It less include frequency point, bandwidth information；The temporal information is associated with frequency channels, indicates in the frequency channels residence time information.
7. terminal networking bootstrap technique according to claim 2, which is characterized in that in the step A:
A1-1) gateway is broadcasted in preset frequency channels or the corresponding time channel of frequency channels；The time letter
Road expression works in selected frequency channels, and using broadcast channel as time synchronization starting point, when being predefined in determining one or more
In gap；
A2-1) the preset home channel of gateway the channel list rule for being pre-stored in gateway can be used to calculate and obtain；Clothes can also be used
The home channel list computation rule prestored in business device generates and sends to be executed to gateway；
A3-1) time cycle of gateway broadcasts channel can be used to prestore periods rules broadcast cycle parameter is calculated and include at least
Sending cycle and transmission time information；It can also be used the rule calculating broadcast cycle parameter prestored in server to be sent to gateway to hold
Row.
8. terminal networking bootstrap technique according to claim 3, which is characterized in that in the step B:
B1-1) terminal according to the home channel list computation rule prestored include in a predetermined order traversal prestore wait for letter
Road list until receiving effective broadcast message, or calculates according to the computation rule prestored and obtains home channel, and receive broadcast
Information；
B2-1) terminal receives periodic broadcast information in home channel, and receiver prestores rule calculating according to terminal and obtains
The cyclic parameter obtained, which is opened, receives window reception；Or the cyclic parameter prestored from terminal determines opening time.
9. terminal networking bootstrap technique according to claim 4, which is characterized in that in the step C:
C1-1) terminal from have the access channel quality information that record or gateway obtain include at least channel frequency point, bandwidth, when
Gap, received signal strength, success rate；
C2-1 it is preferential recommendation access channel that) terminal, which is weighted the access channel information of acquisition and takes optimal, is included at least
Weighting to bandwidth, time slot, signal strength, success rate.
10. terminal networking bootstrap technique according to claim 5, which is characterized in that in the step D:
D1-1) terminal records previous networking successful information, and feature further comprises:
Terminal is that used access channel establishes channel quality data table, included at least in tables of data channel frequency point and time slot,
The information such as networking access times, success rate；
D2-1) gateway Collaboration Server records all access channel result informations, and feature further comprises:
Gateway is that used access channel establishes channel quality data table, included at least in tables of data channel frequency point and time slot,
The information such as networking access times, success rate, and access channel qualitative data table is periodically sent to server, server is to networking
Channel quality table is summarized；
D3-1) terminal Collaboration Server record networking result generates new access channel resource, and feature further comprises:
Access channel qualitative data table is periodically sent to server by gateway by terminal, and server is to terminal access channel quality
Table is summarized；Server generates access channel the Resources list according to terminal, gateway access channel qualitative data table；
D4-1) server broadcasts access channel resource information in home channel by gateway, and new networking letter is provided for terminal
Road assessment strategy, feature further comprise:
The server access channel resource information new in home channel periodic broadcast by gateway, the resource information combination gateway
Present position information and its surrounding channel circumstance and it is different；
Server provides new access channel assessment strategy for terminal, and feature includes at least more new terminal for assessing different letters
The weight parameter of road information weighting；Terminal is implemented to network when networking according to new network evaluation policy selection preferred channels.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113423084A (en) * | 2021-06-22 | 2021-09-21 | 欧梯恩智能科技(苏州)有限公司 | LoRa gateway and equipment pairing arrangement method and application in bridge pier impact detection |
| CN113438729A (en) * | 2021-08-25 | 2021-09-24 | 伏诺瓦(天津)科技有限公司 | Lora sub-equipment registration method and device based on carrier channel monitoring mechanism |
| CN115087076A (en) * | 2021-03-16 | 2022-09-20 | 中国电信股份有限公司 | Method, apparatus, node device, system, and medium for joining LoRa network |
| CN115334627A (en) * | 2022-10-11 | 2022-11-11 | 深圳大学 | Communication method of LoRa network based on BTMA |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301773A (en) * | 2009-02-01 | 2011-12-28 | 高通股份有限公司 | Dynamic frequency selection in a cognitive radio system |
| CN103517443A (en) * | 2013-08-22 | 2014-01-15 | 西安电子科技大学 | Method and device for dispatching wireless sensor network channels based on link quality indicated value |
| CN106817718A (en) * | 2017-01-05 | 2017-06-09 | 金卡高科技股份有限公司 | A kind of method of channel management for being applied to spread spectrum communication |
| WO2019061335A1 (en) * | 2017-09-29 | 2019-04-04 | 华为技术有限公司 | Channel monitoring method, access-network device, terminal device, and communications system |
-
2019
- 2019-05-13 CN CN201910397483.6A patent/CN110087313B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301773A (en) * | 2009-02-01 | 2011-12-28 | 高通股份有限公司 | Dynamic frequency selection in a cognitive radio system |
| CN103517443A (en) * | 2013-08-22 | 2014-01-15 | 西安电子科技大学 | Method and device for dispatching wireless sensor network channels based on link quality indicated value |
| CN106817718A (en) * | 2017-01-05 | 2017-06-09 | 金卡高科技股份有限公司 | A kind of method of channel management for being applied to spread spectrum communication |
| WO2019061335A1 (en) * | 2017-09-29 | 2019-04-04 | 华为技术有限公司 | Channel monitoring method, access-network device, terminal device, and communications system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115087076A (en) * | 2021-03-16 | 2022-09-20 | 中国电信股份有限公司 | Method, apparatus, node device, system, and medium for joining LoRa network |
| CN113423084A (en) * | 2021-06-22 | 2021-09-21 | 欧梯恩智能科技(苏州)有限公司 | LoRa gateway and equipment pairing arrangement method and application in bridge pier impact detection |
| CN113438729A (en) * | 2021-08-25 | 2021-09-24 | 伏诺瓦(天津)科技有限公司 | Lora sub-equipment registration method and device based on carrier channel monitoring mechanism |
| CN115334627A (en) * | 2022-10-11 | 2022-11-11 | 深圳大学 | Communication method of LoRa network based on BTMA |
| CN115334627B (en) * | 2022-10-11 | 2022-12-20 | 深圳大学 | Communication method of LoRa network based on BTMA |
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