CN110830273B - Construction method of subsystem ID and networking application - Google Patents

Construction method of subsystem ID and networking application Download PDF

Info

Publication number
CN110830273B
CN110830273B CN201810890002.0A CN201810890002A CN110830273B CN 110830273 B CN110830273 B CN 110830273B CN 201810890002 A CN201810890002 A CN 201810890002A CN 110830273 B CN110830273 B CN 110830273B
Authority
CN
China
Prior art keywords
subsystem
internet
things
sequence
networking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810890002.0A
Other languages
Chinese (zh)
Other versions
CN110830273A (en
Inventor
黎光洁
王明威
李春宏
吴冶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810890002.0A priority Critical patent/CN110830273B/en
Publication of CN110830273A publication Critical patent/CN110830273A/en
Application granted granted Critical
Publication of CN110830273B publication Critical patent/CN110830273B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a construction method and networking application of a 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 architecture 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 the 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, and especially the rapid development of communication technology in recent years provides a good support for the popularization and application of the Internet of Things.
The Internet of things is used 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 problem of co-frequency networking of a network is solved, limited frequency spectrums are multiplexed, network coverage is enlarged, and the problem of co-frequency interference among sub-networks is avoided.
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 comprises: the Golden base sequence has a length of 31, and the pseudo-random sequence has a required length of N PN The Golden sequence is represented as:
c(n)＝(x 1 (n+N)+x 2 (n+N))mod 2；
x 1 (n+49)＝(x 1 (n+3)+x 1 (n))mod 2；
x 2 (n+49)＝(x 2 (n+3)+x 2 (n+2)+x 2 (n+1)+x 2 (n))mod 2；
wherein N ∈ (0,1,2, …, N) PN -1); first sequence x 1 (n) has the initial value of the parameter GOLDEN _ X1_ INIT, the second sequence X 2 The 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 the content of the first and second substances,
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 uses one of a plurality of carriers, each access point corresponds to a subsystem, and the access points using the same carrier correspond 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 the 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 Roaming (Roaming) problem 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 accessing the network with the first-layer structure, the terminal of the internet of things can be directly switched to the network (i.e. connected to the corresponding access point) of the second-layer or third-layer organization of the corresponding operator (the internet of things system).
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 subnets, 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. Scrambling in the subsystem ID structure is formed based on the Golden sequence generator, so that 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, the 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 component Internet of things, the area and density covered by the network can be effectively ensured, the same frequency interference among all access points is avoided, and the coverage blind area is avoided. Meanwhile, the multiplexing rate of 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 networking of the Internet of things, the network coverage quality is ensured, the same frequency interference is effectively avoided, 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 integrally and further ensuring 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.
Drawings
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 mutually exclusive features and/or steps.
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 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.
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 pseudorandom sequence has a required length of N PN Golden sequence is represented as:
c(n)＝(x 1 (n+N)+x 2 (n+N))mod 2；
x 1 (n+49)＝(x 1 (n+3)+x 1 (n))mod 2；
x 2 (n+49)＝(x 2 (n+3)+x 2 (n+2)+x 2 (n+1)+x 2 (n))mod 2；
wherein N ∈ (0,1,2, …, N) PN -1). First sequence x 1 (n) has the initial value GOLDEN _ X1_ INIT, the second sequence X 2 The 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. Thus obtaining the sequence set of the N _ SUBSYSTEM SUBSYSTEM ID.
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 subsequences with 48 bits in sequence to obtain a sequence set of the N _ SUBSYSTEM subsequences ID.
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 marked as 0 and 1 in fig. 2) use different carriers; for access points (such as the cell labeled 0 in fig. 2) using the same carrier, the subsystem IDs assigned 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, a cellular network deployment mode may be adopted for implementation, that is, a plurality of adjacent access points (e.g., 3 or 7 access points) form one subsystem (e.g., three cells with adjacent numbers of 0,1, and 2 in fig. 2 are one subsystem, and the corresponding subsystem number is 1), and two subsystems are adjacent to each other (e.g., two subsystems with subsystem number 1 and subsystem number 2 are adjacent), 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 construction of the subsystem (the multiplexing of the carrier used by a plurality of access points and the carrier among the subsystems) is organized by combining the subsystem ID, so that the multiplexing of the carrier frequency 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 using the same carrier can use different carriers, and the access points using the same carrier are distinguished by the subsystem IDs allocated by 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 sets a plurality of subsystems to further establish a plurality of subnets, and different subnets are distinguished 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 the same-frequency networking of the second-layer access point, the 8 th subsystem is used for the deployment of the cloud base station in the first-layer structure access point, and the remaining subsystems are used for the deployment of the third-layer access point.
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) after pre-allocation), and after the identification is passed, the internet of things terminal accesses the internet of things by the user ID; 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 to 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 network is accessed to the first network and further switched to other layer networks. 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 after the identity information carried in the connection recovery request sent by the internet of things terminal is authenticated, and the internet of things terminal is further switched to other layer networks. The network end can set the identification time limit of the identity information of the off-line internet of things terminal for requesting to recover the connection, and can request to recover the connection within the time limit without identifying the identity information.
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 of network are deployed among different operators (internet of things systems), and the internet of things of different operators use the same subsystem ID.
The present embodiment discloses another application of the subsystem ID construction method in the foregoing embodiments to networking of the internet of things, where the internet of things includes 1 subsystem, and 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 (9)

1. A construction method of subsystem ID in a networking system of the Internet of things is characterized by comprising the following steps:
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: performing exclusive or processing on 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 for constructing subsystem ID in networking system of internet of things of claim 1, wherein in S2, Golden sequence generator is used to scramble said N segment sequence.
3. The method for constructing a subsystem ID in a networking system of the internet of things according to claim 2, wherein the Golden sequence generator is specifically: the Golden base sequence has a length of 31, and the pseudo-random sequence has a required length of N PN The Golden sequence is represented as:
c(n)＝(x 1 (n+N)+x 2 (n+N))mod 2；
x 1 (n+49)＝(x 1 (n+3)+x 1 (n))mod 2；
x 2 (n+49)＝(x 2 (n+3)+x 2 (n+2)+x 2 (n+1)+x 2 (n))mod 2；
wherein N ∈ (0,1,2, …, N) PN -1); first sequence x 1 (n) has the initial value of the parameter GOLDEN _ X1_ INIT, the second sequence X 2 The 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 a SUBSYSTEM ID in an internet of things networking system according to claim 1, wherein in S4, the method for dividing the sequence to be distributed into N _ substystem 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.
5. The utility model provides a system that possesses thing networking network architecture which characterized in that, thing networking network includes three layer construction: a first layer structure, a second layer structure and a third layer structure; wherein the content of the first and second substances,
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 uses one of a plurality of preset carriers, each access point corresponds to one subsystem, and the access points using the same carrier correspond to different subsystems;
the subsystem ID of the subsystem is generated by the subsystem ID construction method of one of claims 1 to 4.
6. The system with an internet of things networking architecture as claimed in claim 5, wherein all or some of the plurality of aps in the third layer are disposed in the first layer or the second layer as a data backhaul.
7. The system with an internet of things architecture as claimed in claim 5 or 6, wherein the transmission power of the access points of each layer structure decreases with the increase of the layer from the first layer structure to the third layer structure.
8. A system with 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 in the networking system of the Internet of things of any one of claims 1 to 4.
9. 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 system with the Internet of things networking structure according to any one of claims 5 to 7, in a roaming area, each Internet of things system is deployed with the Internet of things with the first layer structure using the same carrier, and the Internet of things of each system adopts the same subsystem ID.
CN201810890002.0A 2018-08-07 2018-08-07 Construction method of subsystem ID and networking application Active CN110830273B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810890002.0A CN110830273B (en) 2018-08-07 2018-08-07 Construction method of subsystem ID and networking application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810890002.0A CN110830273B (en) 2018-08-07 2018-08-07 Construction method of subsystem ID and networking application

Publications (2)

Publication Number Publication Date
CN110830273A CN110830273A (en) 2020-02-21
CN110830273B true CN110830273B (en) 2022-09-23

Family

ID=69533939

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810890002.0A Active CN110830273B (en) 2018-08-07 2018-08-07 Construction method of subsystem ID and networking application

Country Status (1)

Country Link
CN (1) CN110830273B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102113403A (en) * 2008-08-07 2011-06-29 高通股份有限公司 Rnti-dependent scrambling sequence initialization
CN108282249A (en) * 2017-01-05 2018-07-13 华为技术有限公司 A kind of transmission method and device of control information

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9503914B2 (en) * 2012-01-31 2016-11-22 Apple Inc. Methods and apparatus for enhanced scrambling sequences

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102113403A (en) * 2008-08-07 2011-06-29 高通股份有限公司 Rnti-dependent scrambling sequence initialization
CN108282249A (en) * 2017-01-05 2018-07-13 华为技术有限公司 A kind of transmission method and device of control information

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
基于NB-IoT协议的加解扰设计;阮俊冰;《现代信息科技》;20180525;第2卷(第5期);全文 *

Also Published As

Publication number Publication date
CN110830273A (en) 2020-02-21

Similar Documents

Publication Publication Date Title
JP2532865B2 (en) Wireless connection continuation method and circuit device
RU2110892C1 (en) Radio communication system
CN102594482B (en) Wireless communication system, pilot sequence allocation apparatus, pilot sequence allocating method used for the system and apparatus, and mobile station used in the method
EP1662825B1 (en) Method for allocating resources in a multicarrier system and transmission apparatus using same
US6229796B1 (en) Code-reuse partitioning systems and methods for cellular radiotelephone systems
CN101578785B (en) Method for generating downlink frame, and method for searching cell
EP2263397B1 (en) Dynamic allocation of cell identifiers in a cellular communication system
KR101257066B1 (en) Method for Resource Partition, Assignment, Transmission and Reception for Inter-Cell Interference Migration in Downlink of OFDM Cellular Systems
CN108988978A (en) Scrambling code sequence generation method and device
CN107995615B (en) Heterogeneous network NOMA physical layer safety transmission method
KR100804920B1 (en) Communications system employing orthogonal frequency division multiplexing based spread spectrum multiple access
JP2005504492A5 (en)
BR112012012985B1 (en) Method and apparatus for sharing a cell id between locations in cooperative communication
CN108632984A (en) The configuration of common control channel and method of reseptance, device
CN105992221A (en) Frequency hopping method and device
CN110830273B (en) Construction method of subsystem ID and networking application
JP2001515302A (en) Spreading code allocation method
KR20100109028A (en) Apparatus and method for allocating sounding sequences in a broadband wireless communication system
WO2018141273A1 (en) Communication method and device
TWI436606B (en) Method for effectively transmitting synchronization channel and method for allocating transmission power for the same
CN104105100A (en) Downlink interference elimination method and system based on pseudo random sub-channel selection strategy
CN115022890A (en) Method for generating resource cell coverage structure facing capacity coverage
CN103959671A (en) Method and apparatus for transmitting and receiving signal in distributed antenna system
CN107734700B (en) Network resource allocation method for guaranteeing QoS (quality of service) requirements of users in ultra-dense network
CN116390233B (en) Interference coordination method and device for adjacent cells under same-frequency networking

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant