CN110830273A - Construction method of subsystem ID and networking application - Google Patents

Construction method of subsystem ID and networking application Download PDF

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CN110830273A
CN110830273A CN201810890002.0A CN201810890002A CN110830273A CN 110830273 A CN110830273 A CN 110830273A CN 201810890002 A CN201810890002 A CN 201810890002A CN 110830273 A CN110830273 A CN 110830273A
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subsystem
sequence
access points
internet
things
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CN110830273B (en
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黎光洁
王明威
李春宏
吴冶
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • 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
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

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Abstract

The invention discloses a construction method and networking application of subsystem ID, wherein the method comprises the following steps: equally dividing the system ID into N sections of sequences, wherein the length of each section is M; scrambling the N sections of sequences respectively to obtain N scrambling sequences with the length of M x N _ SUBSYSTEM, wherein N _ SUBSYSTEM is the number of SUBSYSTEMs; preprocessing the N scrambling sequences to obtain 1 sequence to be distributed with the length of M x N _ SUBSYSTEM; and dividing the sequence to be distributed into N _ SUBSYSTEM subsequences, wherein each subsequence is a SUBSYSTEM ID. Based on the method, an IOT networking structure is disclosed: including networks of three-layer construction. A private IOT networking fabric includes a subsystem. A roaming networking deployment method among a plurality of IOT systems comprises the following steps: each IOT system is deployed with IOT's of a first layer structure using the same carrier, and the IOT of each system employs the same subsystem ID. The invention can realize the same-frequency networking of IOT, the non-blind area coverage of IOT and the switching of equipment among multiple systems.

Description

Construction method of subsystem ID and networking application
Technical Field
The invention relates to a networking method of the Internet of things, in particular to a construction method of a subsystem ID and networking application.
Background
The concept of the Internet of Things (IoT) has been proposed since the end of the 20 th century, and the technology and application fields thereof have been continuously enriched and improved, especially the rapid development of communication technology in recent years provides good support for the popularization and application of the Internet of Things.
The Internet of things serves as an Internet-based everything interconnection technology and plays a good promoting role in efficient production and intelligent facility construction. However, the internet of things constructed based on the wireless internet communication technology is highly limited by a limited communication frequency band under the conditions of network expansion and increasing of access terminals. For the internet of things under the unlicensed spectrum, the internet of things can only utilize limited frequency band carriers, which limits the coverage of the internet of things to a great extent. And the direct multiplexing of the carrier wave can cause the same frequency interference problem of the network.
Disclosure of Invention
The invention aims to: aiming at the existing problems, a construction method of subsystem ID and networking application are provided. The method solves the problem of same-frequency networking of the network, further multiplexes limited frequency spectrum, expands network coverage and avoids the problem of same-frequency interference among sub-networks.
The technical scheme adopted by the invention is as follows:
a method of constructing a subsystem ID, comprising the steps of:
s1: equally dividing the system ID into N sections of sequences, wherein the length of each section is M;
s2: scrambling the N sections of sequences respectively to obtain N scrambling sequences with the length of M x N _ SUBSYSTEM, wherein N _ SUBSYSTEM is the number of SUBSYSTEMs;
s3: preprocessing the N scrambling sequences to obtain 1 sequence to be distributed with the length of M x N _ SUBSYSTEM;
s4: and dividing the sequence to be distributed into N _ SUBSYSTEM subsequences, wherein each subsequence is a SUBSYSTEM ID.
Further, in the above S2, the Golden sequence generator is used to scramble the N-segment sequence.
Further, the Golden sequence generator specifically includes: the Golden base sequence has a length of 31, and the pseudo-random sequence has a required length of NPNThe Golden sequence is represented as:
c(n)＝(x1(n+N)+x2(n+N))mod 2；
x1(n+49)＝(x1(n+3)+x1(n))mod 2；
x2(n+49)＝(x2(n+3)+x2(n+2)+x2(n+1)+x2(n))mod 2；
wherein N ∈ (0,1,2, …, N)PN-1); first sequence x1(n) has the initial value of the parameter GOLDEN _ X1_ INIT, the second sequence X2The initial value of (N) is parameter GOLDEN _ X2_ INIT, N is 1024;
GOLDEN_X1_INIT(0：47)＝mod(P_SUBSYSTEM_ID+RAND_ID_SCRAMBLE_0,2)，GOLDEN_X1_INIT(49)＝0；
GOLDEN_X2_INIT(0：47)＝mod(RAND_SUBSYSTEM_ID_GENERATOR+RAND_ID_SCRAMBLE_1,2)，
GOLDEN_X2_INIT(49)＝0；
wherein, P _ substystem _ ID is a sequence segment to be scrambled, and RAND _ ID _ SCRAMBLE _0, RAND _ ID _ SCRAMBLE _1, and RAND _ substystem _ ID _ GENERATOR are preset parameters during system initialization.
Further, in the above S3, the preprocessing the N scrambling sequences includes: exclusive OR (XOR) processing is performed on the N scrambling sequences.
Further, in S4, the method for dividing the sequence to be allocated into N _ subsequences includes: and averagely dividing the sequence to be distributed into N _ SUBSYSTEM section subsequences according to the character sequence of the sequence to be distributed. Namely, dividing the sequence characters to be distributed into N _ SUBSYSTEM segment subsequences according to the preset length from the front to the back.
In order to solve the problems of effective coverage and convenient access of an internet of things terminal (IOT Equipment) during networking of the internet of things, the invention provides an internet of things networking structure for networking by using the subsystem ID construction method, which comprises the following steps:
networking of the internet of things comprises a three-layer structure: a first layer structure, a second layer structure and a third layer structure; wherein,
a plurality of access points are configured in the first layer structure, and the access points use the same carrier wave; thereby forming a cloud base station (cloudlan) as a whole;
a plurality of access points are configured in the second layer structure, and the access points are deployed in a cellular network networking mode; each access point using one of a predetermined plurality of carriers; each access point corresponds to a subsystem, different carriers are used between adjacent access points, and the access points using the same carrier correspond to different subsystems;
a plurality of access points are configured in the third layer structure, and the access points are arranged in the blind area covered by the first layer structure access point and the second layer structure access point or the area needing capacity expansion; each access point using one of a predetermined plurality of carriers, each access point corresponding to one subsystem, the access points using the same carrier corresponding to different subsystems;
the subsystem ID of the subsystem is generated by the subsystem ID construction method.
Furthermore, all or part of the plurality of access points in the third layer structure are disposed in the first layer or the second layer structure as data backhaul channels. Thereby minimizing the overhead of network deployment.
Further, the transmission power of the access point of each layer structure decreases with the increase of the layer structure from the first layer structure to the third layer structure. The deployment mode is set according to the actual network coverage requirement, so that the coverage of the network is met, the same frequency interference is avoided, and the network power consumption is saved.
In order to solve the problem of managing the subnet deployment of a small-sized Internet of things, the invention provides a private Internet of things networking structure, wherein the private Internet of things comprises a plurality of access points, the access points use the same carrier, and the access points belong to the same subsystem; the subsystem ID of the subsystem is generated by the subsystem ID construction method described above. The method can effectively distinguish frequency spectrums and manage networks of a plurality of private Internet of things, and further avoid interference among the networks.
In order to solve the problem of Roaming (Roaming) among different (operator) networks in the network deployment of the Internet of things, the invention provides a Roaming networking deployment method among a plurality of Internet of things systems, which comprises the following steps: the multiple Internet of things systems adopt the Internet of things networking structure for networking, in a roaming area, each Internet of things system is provided with the Internet of things with the same carrier wave and the first-layer structure, and the Internet of things of each system adopts the same subsystem ID. In this way, after the terminal of the internet of things is accessed to the network with the first-layer structure, the terminal of the internet of things can be directly switched to the network (connected to the corresponding access point) of the second-layer or third-layer organization of the corresponding operator (the system of the internet of things).
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. by the method for constructing the subsystem ID, the Internet of things can be divided into a plurality of sub-networks, so that the same-frequency networking is realized, the network coverage is improved, and the same-frequency interference is avoided.
2. The subsystem ID is constructed based on the system ID, and the subsystem ID can be corresponding to the corresponding system to form association, so that the influence of constructing the sub-network among different systems is avoided.
3. Based on scrambling in the constitution of the subsystem ID by the Golden sequence generator, the anti-interference capability of the subsystem ID is effectively improved; meanwhile, the subsystem ID construction method based on the Golden sequence generator in the method can be suitable for the requirements of subnet division with different lengths, and has good flexibility.
4. The scrambling sequence is subjected to XOR processing, so that the relevance between the scrambled sequence and the system ID can be further ensured, and the relevance between the subsystem ID and the system ID is further ensured.
5. The subsystem ID sections are obtained by sequential division, so that the independence of the IDs of the subsystems can be improved, ID interference between adjacent subsystems in the same system is avoided, and the management of the subsystems is facilitated.
6. Through the three-layer structure member Internet of things, the area and the density covered by the network can be effectively ensured, the same frequency interference among access points is avoided, and the coverage blind area is avoided. Meanwhile, the multiplexing rate of the available frequency bands can be further improved by the access point deployment based on the subsystem concept.
7. In networking of the internet of things, the access point of the third layer structure is used as a data return channel (channel) of the first layer structure or the second layer structure, so that the overhead of network deployment (hardware and channel deployment) can be reduced to the maximum extent.
8. For the power setting of each layer structure in the networking of the Internet of things, the same frequency interference is effectively avoided while the network coverage quality is ensured, and meanwhile, the power consumption of network equipment is reduced.
9. The private Internet of things networking structure can be used for conveniently distinguishing and managing the private Internet of things networks on the whole, and further ensures that the networks efficiently utilize limited frequency spectrum.
10. The first-layer networks with the same structure are deployed among different operators, so that efficient access of the terminal of the Internet of things and switching (roaming) among the operators can be realized.
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The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a flow chart of a method of constructing a subsystem ID.
Fig. 2 is a block diagram of networking of the internet of things.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
As shown in fig. 1, the present embodiment discloses a method for constructing a subsystem ID, which includes the following steps:
s1: the system ID is divided equally into N sequences of length M each.
The system ID is, in one embodiment, randomly selected for system initialization, such as by a random number generator. By randomly choosing the value of the system ID, the interference can be whitened. In particular implementations, the system ID may be generated by a Random or allocation method.
S2: and respectively scrambling the N sections of sequences to obtain N scrambled sequences with the length of M x N _ SUBSYSTEM, wherein N _ SUBSYSTEM is the number of SUBSYSTEMs.
In an embodiment, the method for scrambling N sequences respectively includes: golden sequence generation method: the Golden base sequence has a length of 31, and the pseudo-random sequence has a required length of NPNThe Golden sequence is represented as:
c(n)＝(x1(n+N)+x2(n+N))mod 2；
x1(n+49)＝(x1(n+3)+x1(n))mod 2；
x2(n+49)＝(x2(n+3)+x2(n+2)+x2(n+1)+x2(n))mod 2；
wherein N ∈ (0,1,2, …, N)PN-1). First sequence x1(n) has the initial value GOLDEN _ X1_ INIT, the second sequence X2The initial value of (N) is GOLDEN _ X2_ INIT, N1024.
In one embodiment, GOLDEN _ X1_ INIT (0: 47) ═ mod (P _ substystem _ ID + RAND _ ID _ script _0,2), GOLDEN _ X1_ INIT (49) ═ 0;
GOLDEN_X2_INIT(0：47)＝mod(RAND_SUBSYSTEM_ID_GENERATOR+RAND_ID_SCRAMBLE_1,2),GOLDEN_X2_INIT(49)＝0。
wherein, P _ SUBSYSTEM _ ID is a sequence segment (i.e. one of N segment sequences) to be scrambled, and RAND _ ID _ script _0, RAND _ ID _ script _1, and RAND _ SUBSYSTEM _ ID _ GENERATOR are preset parameters during system initialization, and different settings are performed according to different application scenarios.
S3: and preprocessing the N scrambling sequences to obtain 1 sequence to be distributed with the length of M x N _ SUBSYSTEM.
In one embodiment, the N scrambling sequences are preprocessed as: the N scrambling sequences are subjected to exclusive or (XOR) processing.
S4: and dividing the sequence to be distributed into N _ SUBSYSTEM subsequences, wherein each subsequence has the length of M. I.e. to get the sequence set of N _ substystem SUBSYSTEM IDs.
In an embodiment, the method for dividing the sequence to be allocated into N _ subsequences includes: and averagely dividing the sequence to be distributed into N _ SUBSYSTEM section subsequences according to the character sequence of the sequence to be distributed. Namely, the sequence to be distributed is equally divided into N _ SUBSYSTEM segment subsequences from the first character according to the sequence to be distributed.
Further, the method further includes S5: and respectively distributing the N _ SUBSYSTEM subsequences to the corresponding SUBSYSTEMs.
The embodiment discloses a method for constructing a subsystem ID, which comprises the following steps:
s1: the system ID (192 bits in length) is averagely divided into 4 segments of sequences, and each segment is 48 bits in length;
s2: scrambling the 4-segment sequences in S1 respectively by using a Golden sequence generation method to generate 4 scrambled sequences with the length of 48 × N _ SUBSYSTEM bits;
s3: performing exclusive or (XOR) processing on the 4 scrambling sequences to obtain 1 final sequence to be distributed with the length of 48 × N _ substystem bits;
s4: and dividing the sequence to be distributed generated in the step S3 into N _ SUBSYSTEM 48-bit subsequences in sequence to obtain a sequence set of N _ SUBSYSTEM SUBSYSTEM IDs.
The system ID is a randomly selected value generated by a Random function. The number of the SUBSYSTEMs is N _ SUBSYSTEM; in one embodiment, the number of subsystems is 8 or 16, depending on the size of the network coverage and system initialization settings.
As shown in fig. 2, the present embodiment discloses an application of the subsystem ID construction method in the foregoing embodiment to networking of the internet of things, where the networking of the internet of things includes three layers:
a plurality of access points are configured in the first layer structure, and all the access points use the same carrier wave to further form a cloud base station.
A plurality of access points are configured in the second layer structure, and each access point can use a plurality of carriers; setting a plurality of access points (in a second layer structure) in a cellular network networking mode, wherein adjacent access points (such as cells with the numbers of 0 and 1 in figure 2) use different carriers; for access points (such as the cell marked with the number 0 in fig. 2) using the same carrier, the subsystem IDs allocated by the method for constructing the subsystem IDs in the above embodiment are used for differentiation. For the deployment of the access points and the subsystem IDs (each subsystem is assigned with one subsystem ID) in the second layer structure, the deployment may be implemented in a cellular network deployment manner, that is, a subsystem is formed by a plurality of adjacent access points (e.g., 3 or 7 access points) (e.g., one subsystem is formed by three cells with adjacent numbers of 0,1, and 2 in fig. 2, and the corresponding subsystem number is 1), and two subsystems are adjacent to each other (e.g., two subsystems with subsystem number of 1 and subsystem number of 2 are adjacent to each other), so as to form the whole second layer network of the internet of things. The networking mode of the cellular network belongs to a mature technology, and the detailed networking mode of the cellular network is not described in a repeated way in the specification. Setting adjacent access points to work at different carrier frequencies, thereby avoiding same frequency interference; the subsystem is organized by combining subsystem ID (multiplexing of carriers used by a plurality of access points and the subsystems), so that the multiplexing of carrier frequencies can be improved to the maximum extent, and the system capacity is further improved.
A plurality of access points are configured in the third layer structure, and the access points are arranged in the coverage blind area of the internet of things or the area needing capacity expansion (namely the first layer structure access point and the second layer structure access point cover the blind area or the area needing capacity expansion); the access points can use different carriers, and for the access points using the same carrier, the access points are distinguished by the subsystem IDs allocated in the construction method of the subsystem IDs in the above embodiment, that is, the access points using the same carrier belong to different subsystems, and the subsystems are distinguished by the subsystem IDs, and the construction method of the subsystem IDs is the construction method in the above embodiment. .
In the networking, the Internet of things establishes a plurality of subnets by setting a plurality of subsystems, and distinguishes different subnets by distributing subsystem IDs. The subnet is constructed, so that the same-frequency networking can be effectively carried out on the limited carriers, the multiplexing of the carriers is realized, and the same-frequency interference is avoided while the frequency overhead is reduced.
In one embodiment, the access points of the first layer structure to the third layer structure, the transmission power of the access point of each layer decreases with increasing layers. I.e. transmission of the first tier architecture access point > transmission power of the second tier architecture access point > transmission power of the third tier architecture.
In one embodiment, the access point in the third layer structure is disposed in the first layer or the second layer structure as a data backhaul, thereby minimizing the overhead of network deployment.
In one embodiment, the first 7 subsystems are used for co-frequency networking of the second layer access points, the 8 th subsystem is used for deployment of cloud base stations in the first layer structure access points, and the remaining subsystems are used for deployment of the third layer access points.
The network deployment with the three-layer structure is introduced, and the optimal configuration can be achieved among the network coverage quality, the network capacity and the user mobility.
In an embodiment that an internet of things terminal (IoT Equipment, IoT) accesses the internet of things in the networking mode, the internet of things terminal sends a first access request to a network, the network authenticates user information carried in the first access request, identifies a corresponding relationship between the internet of things terminal and a pre-allocated user ID (SP (Service Provider, backup to the network) and accesses the internet of things terminal to the internet of things by the user ID after the identification is passed; the process of accessing the terminal of the Internet of things into the Internet of things comprises the following steps: the terminal of the internet of things firstly accesses to a first layer of network, acquires network information (including carrier information of each access point) of a second layer and a third layer, and further switches to the access points of corresponding layers according to the signal quality of each layer of access points in the network information. Through the networking mode, after the terminal of the Internet of things is accessed into the first layer of network, the access point with better signal quality can be automatically selected and switched to by measuring the signal quality of each access point in the second layer and the third layer, and then the terminal of the Internet of things is directly switched to the network of the corresponding layer. Compared with a layer-by-layer request and access mode of a traditional communication mode, the networking mode is flexible in setting, a user (an Internet of things terminal) can be directly switched into a third-layer network from a first-layer network, and then the access point network with good signal quality is directly accessed, the communication is flexible, network congestion is not prone to being caused, communication delay is low, and communication quality is good.
In the embodiment that the mobile Internet of things terminal accesses the Internet of things, the Internet of things terminal enters the LOST state after moving, and the Internet of things terminal sends a connection recovery request to the network terminal, so that the mobile Internet of things terminal accesses the first network and is further switched to other network layers. In another embodiment, after the internet of things terminal sends the connection recovery request to the network terminal, the network terminal accesses the first-layer network and further switches to other layer networks after the identity information carried in the connection recovery request sent by the internet of things terminal is authenticated by the network terminal. The network end can set the identification time limit of the identity information of the off-line internet of things terminal requesting to recover the connection, and the identity information of the off-line internet of things terminal requesting to recover the connection can not be identified within the time limit.
The embodiment discloses an application of the networking architecture of the internet of things in roaming among different operators, and discloses a method for deploying roaming networking among a plurality of networking systems of the internet of things, which specifically comprises the following steps:
the multiple internet of things systems adopt the internet of things networking structure (three-layer structure) for networking, for roaming areas, a set of internet of things using the same carrier wave and a first-layer network are deployed among different operators (internet of things systems), and the internet of things of different operators use the same subsystem ID.
The embodiment discloses another application of the subsystem ID construction method in the above embodiments to networking of the internet of things, where the internet of things includes 1 subsystem, the subsystem includes a plurality of access points, and the access points use fixed carriers. In one embodiment, the subsystem includes 1 access point.
The embodiment is applied to small-scale network coverage scenes, such as private networks or personal/home networks, so that the network architecture is simplified, and the construction cost and the maintenance cost are saved.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.

Claims (10)

1. A method for constructing a subsystem ID, comprising the steps of:
s1: equally dividing the system ID into N sections of sequences, wherein the length of each section is M;
s2: scrambling the N sections of sequences respectively to obtain N scrambling sequences with the length of M × N _ SUBSYSTEM, wherein N _ SUBSYSTEM is the number of SUBSYSTEMs;
s3: preprocessing the N scrambling sequences to obtain 1 sequence to be distributed with the length of M x N _ SUBSYSTEM;
s4: and dividing the sequence to be distributed into N _ SUBSYSTEM subsequences, wherein each subsequence is a SUBSYSTEM ID.
2. The method of constructing subsystem IDs according to claim 1, wherein in S2, a Golden sequence generator is used to scramble said N segment sequences.
3. The method of constructing a subsystem ID according to claim 2, wherein said Golden sequence generator is specifically: the Golden base sequence has a length of 31, and the pseudo-random sequence has a required length of NPNThe Golden sequence is represented as:
c(n)＝(x1(n+N)+x2(n+N))mod 2；
x1(n+49)＝(x1(n+3)+x1(n))mod 2；
x2(n+49)＝(x2(n+3)+x2(n+2)+x2(n+1)+x2(n))mod 2；
wherein N ∈ (0,1,2, …, N)PN-1); first sequence x1(n) has the initial value of the parameter GOLDEN _ X1_ INIT, the second sequence X2The initial value of (N) is parameter GOLDEN _ X2_ INIT, N is 1024;
GOLDEN_X1_INIT(0：47)＝mod(P_SUBSYSTEM_ID+
RAND_ID_SCRAMBLE_0,2)，GOLDEN_X1_INIT(49)＝0；
GOLDEN_X2_INIT(0：47)＝
mod(RAND_SUBSYSTEM_ID_GENERATOR+
RAND_ID_SCRAMBLE_1,2)，
GOLDEN_X2_INIT(49)＝0；
wherein, P _ substystem _ ID is a sequence segment to be scrambled, and RAND _ ID _ SCRAMBLE _0, RAND _ ID _ SCRAMBLE _1, and RAND _ substystem _ ID _ GENERATOR are preset parameters during system initialization.
4. The method for constructing subsystem IDs according to claim 1, wherein in S3, the preprocessing of the N scrambling sequences is: and carrying out exclusive OR processing on the N scrambling sequences.
5. The method for constructing SUBSYSTEM IDs according to claim 1, wherein in S4, the method for dividing the sequence to be allocated into N _ subsequences is as follows: and averagely dividing the sequence to be distributed into N _ SUBSYSTEM section subsequences according to the character sequence of the sequence to be distributed.
6. The utility model provides a thing networking architecture, its characterized in that, thing networking architecture includes three layer construction: a first layer structure, a second layer structure and a third layer structure; wherein,
a plurality of access points are configured in the first layer structure, and the access points use the same carrier wave;
a plurality of access points are configured in the second layer structure, and the access points are deployed in a cellular network networking mode; each access point using one of a predetermined plurality of carriers; each access point corresponds to a subsystem, different carriers are used between adjacent access points, and the access points using the same carrier correspond to different subsystems;
a plurality of access points are configured in the third layer structure, and the access points are arranged in the blind area covered by the first layer structure access point and the second layer structure access point or the area needing capacity expansion; each access point using one of a predetermined plurality of carriers, each access point corresponding to one subsystem, the access points using the same carrier corresponding to different subsystems;
the subsystem ID of the subsystem is generated by the subsystem ID construction method of one of claims 1 to 5.
7. The networking architecture of claim 6, wherein all or some of the plurality of aps in the third layer are disposed in the first layer or the second layer as data backhaul.
8. The networking architecture of claims 6 or 7, wherein the access points of the first tier architecture to the third tier architecture, the transmit power of the access points of each tier architecture decreases as the tier increases.
9. A private Internet of things networking structure is characterized in that the private Internet of things comprises a plurality of access points, the access points use the same carrier wave, and the access points belong to the same subsystem; the subsystem ID of the subsystem is generated by the subsystem ID construction method of one of claims 1 to 5.
10. A roaming networking deployment method among a plurality of Internet of things systems is characterized in that the plurality of Internet of things systems are networked by adopting the Internet of things networking structure as claimed in any one of claims 6 to 8, in a roaming area, each Internet of things system is deployed with the Internet of things of a first-layer structure using the same carrier, and the Internet of things of each system adopts the same subsystem ID.
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