5G air interface dynamic multiplexing method based on Ad hoc network assistance

Abstract

The invention relates to a 5G air interface dynamic multiplexing method based on Ad-Hoc network assistance, a communication system comprising a base station layer and a terminal layer is built for a same-frequency networking scene with a mobile base station, the base station layer comprises a plurality of communication nodes, and each communication node is composed of a 5G base station, a broadband Ad-Hoc network module B-Mesh, a 5G core network and a node network controller; the terminal layer comprises a plurality of mobile communication terminals UE; each mobile communication terminal UE comprises a 5G customer premise equipment CPE, a narrowband ad hoc network module and a terminal network controller; the broadband ad hoc network modules B-Mesh in the plurality of communication nodes are connected with one another; the 5G customer premise equipment CPE is accessed to the 5G base station, and forms a star network with the 5G core network; the narrowband ad hoc network modules form a narrowband ad hoc network; and when a certain communication node moves towards an adjacent communication node or is far away from the adjacent communication node, a broadband ad hoc network module B-Mesh is adopted to assist 5G same-frequency networking in dynamic upgrading and degrading.

Description

Technical Field

[0001] The present invention relates to the technical field of same-frequency networking, and in particular to a 5G air interface dynamic multiplexing method based on self-organizing network assistance. Background Art

[0002] 5G communication technology has the advantages of ultra-high mobility, ultra-high connection density, ultra-high traffic density and low-latency communication, and can provide unified network service support for user groups with mobility requirements and high requirements for signal quality.

[0003] However, for multi-5G base station networking communication scenarios where base stations are mobile and frequency band resources are limited, co-frequency signal interference will lead to a decline in 5G network coverage performance and user service experience. The co-frequency interference problem in multi-5G base station networking communication scenarios has become a problem to be solved.

[0004] At present, there are three main solutions to solve the 5G co-frequency interference problem:

[0005] 1) When spectrum resources permit, try to use different-frequency networks and stagger the frequency bands used by base stations. This can completely solve the problem of co-frequency interference.

[0006] 2) Collaborative RF planning and optimization: Use reasonable site planning and optimization to avoid co-channel interference.

[0007] 3) The interference coordination between the base station control channel and the service channel is adopted to reduce the impact on users when they are in the interference area. This solution can only improve the user experience to a certain extent and cannot completely solve the problem of co-channel interference. Summary of the invention

[0008] In view of the above analysis, an embodiment of the present invention aims to provide a 5G air interface dynamic multiplexing method based on self-organizing network assistance, so as to solve the problem that when the same-frequency networking is adopted in the scenario where the base station is mobile and the frequency band resources are limited, the same-frequency signal interference will cause the 5G network coverage performance and user service experience to decline.

[0009] The embodiment of the present invention provides a 5G air interface dynamic multiplexing method based on ad hoc network assistance. For the same-frequency networking scenario of base station movement, a communication system including a base station layer and a terminal layer is constructed. The base station layer includes multiple communication nodes, each of which is composed of a 5G base station gNodeB, a broadband ad hoc network module B-Mesh, a 5G core network and a node network control; the terminal layer includes multiple mobile communication terminals UE; each mobile communication terminal UE includes a 5G customer terminal equipment CPE, a narrowband ad hoc network module R-Mesh and a terminal network control; the multiple communication The broadband self-organizing network modules B-Mesh in the communication nodes are interconnected to realize mesh network cross-communication between communication nodes, which is used to receive and forward data and signaling between communication nodes; 5G customer terminal equipment CPE accesses the 5G base station gNodeB to form a star network with the 5G core network; narrowband self-organizing network modules R-Mesh form a narrowband self-organizing network to realize mesh network interconnection between mobile communication terminals UE; when a communication node moves toward or away from its adjacent communication node, the broadband self-organizing network module B-Mesh is used to assist in the dynamic upgrading and downgrading of 5G same-frequency networking.

[0010] Furthermore, when a communication node moves toward or away from its adjacent communication node, the broadband self-organizing network module B-Mesh is used to assist in the dynamic upgrading and downgrading of the 5G same-frequency network, including: the two communication nodes both judge the signal power levels of their adjacent communication nodes through the broadband self-organizing network module B-Mesh in their own communication nodes. If the signal power level of the communication node or either of its adjacent communication nodes is greater than the set threshold, the 5G base station gNodeB of the node with fewer people currently online among the two communication nodes deactivates all its cells, thereby realizing the dynamic downgrading of the 5G same-frequency network assisted by the broadband self-organizing network module B-Mesh; if the signal power levels of the communication node and its adjacent communication nodes are restored to less than the set threshold, all deactivated cells in the two communication nodes are reactivated, thereby realizing the dynamic upgrading of the 5G same-frequency network assisted by the broadband self-organizing network module B-Mesh.

[0011] Furthermore, when a communication node moves toward its adjacent communication node, the two communication nodes both judge the signal power level of their adjacent communication nodes through the broadband self-organizing network module B-Mesh in their own communication nodes. If the signal power level of the communication node or either of its adjacent communication nodes is greater than the set threshold, the node network control of the two communication nodes obtains the current number of online users of their own communication nodes through their own 5G core network, and interacts through the broadband self-organizing network module B-Mesh. The 5G core network of the communication node with fewer online users currently closes the NG interface of the 5G base station gNodeB in the communication node; when the 5G base station gNodeB of the communication node with fewer online users detects that the NG interface is disconnected, all cells under the 5G base station gNodeB are deactivated.

[0012] Furthermore, when a communication node moves away from its adjacent communication node, the two communication nodes both judge the signal power levels of their adjacent communication nodes through the broadband self-organizing network module B-Mesh in their own communication nodes. If the signal power levels of the communication node and its adjacent communication nodes are restored to less than the set threshold, the node network control of the communication node with the deactivated cell notifies the 5G core network to which it is connected that the strongly interfering adjacent communication node disappears. After the 5G core network receives the information that the strongly interfering adjacent communication node disappears, if the NG port of the 5G base station gNodeB in the communication node is closed, the connection between the NG interface and the 5G base station gNodeB is restored. The 5G base station gNodeB detects the restoration of the NG interface and automatically reactivates all deactivated cells under the current 5G base station gNodeB.

[0013] Furthermore, after the broadband self-organizing network module B-Mesh is used to assist the dynamic upgrade of the 5G same-frequency network, the node network control of each communication node adjusts the 5G base station gNodeB transmission power by real-time analysis of the distribution position of the mobile communication terminal UE, so that the proportion of mobile communication terminal UE accessing the 5G network is greater than the set proportion threshold; when the terminal network control of the mobile communication terminal UE3 located in the coverage interference area detects that the 5G signal is interfered, the narrowband self-organizing network module R-Mesh is used to maintain communication capabilities.

[0014] Furthermore, the narrowband self-organizing network module R-Mesh is used to maintain the communication capability, including: the mobile communication terminal UE3 located in the coverage interference area selects a mobile communication terminal UE1 within the coverage range of the 5G signal, communicates with the narrowband self-organizing network module R-Mesh of the mobile communication terminal UE1 within the coverage range, and accesses the network of the 5G base station gNodeB through the 5G customer terminal equipment CPE of the mobile communication terminal UE1.

[0015] Furthermore, the mobile communication terminal UE3 located in the coverage interference area selects a mobile communication terminal UE1 within the 5G signal coverage area, including: selecting a mobile communication terminal UE1 within the 5G signal coverage area according to the signal power level of the communication node to which the mobile communication terminal within the 5G signal coverage area is connected, the traffic of the communication node, and the signal quality level.

[0016] Furthermore, the node network control is an independent hardware controller, or a software controller deployed in the 5G core network, which is used to manage the routing between communication nodes, identify data messages and forward them to the 5G core network or broadband self-organizing network module B-Mesh, and control the dynamic upgrade and downgrade of 5G same-frequency networking.

[0017] Furthermore, the terminal network control is an independent hardware controller, or a software controller deployed in the 5G customer terminal equipment CPE, which is used to manage the routing between mobile communication terminals UE and between the mobile communication terminals UE and the 5G core network, identify data messages and forward them to the 5G core network or the narrowband self-organizing network module R-Mesh, and control the narrowband self-organizing network module R-Mesh to maintain the communication capability of the mobile communication terminals UE in the mutual interference area covered by the 5G same-frequency network when the 5G signal is interfered.

[0018] Furthermore, the narrowband ad hoc network module R-Mesh in the mobile communication terminal UE may also be replaced by a broadband ad hoc network module B-Mesh.

[0019] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0020] 1. When a communication node moves toward or away from its adjacent communication node, the present invention adopts a broadband self-organizing network module B-Mesh to assist in the dynamic upgrading and downgrading of the 5G same-frequency network, including: the two communication nodes both judge the signal power level of their adjacent communication nodes through the broadband self-organizing network module B-Mesh in their own communication nodes. If the signal power level of their adjacent communication nodes is greater than a set threshold, the 5G base station gNodeB of the node with fewer people currently online among the two communication nodes deactivates all its cells, thereby implementing the broadband self-organizing network module B-Mesh to assist in the dynamic downgrading of the 5G same-frequency network; if the signal power level of its adjacent communication node is restored to less than the set threshold, all deactivated cells in the two communication nodes are reactivated, thereby implementing the broadband self-organizing network module B-Mesh to assist in the dynamic upgrading of the 5G same-frequency network, thereby solving the problem of the influence of the same-frequency interference on the communication network.

[0021] 2. The present invention analyzes the UE distribution position in real time for the node network control of the 5G co-frequency networking communication node, adjusts the base station transmission power, and enables most UEs to access the 5G network. Then, for the mobile communication terminal UE3 located in the coverage interference area, a mobile communication terminal UE1 within the 5G signal coverage range is selected, and the narrowband self-organizing network module R-Mesh of the mobile communication terminal UE1 within the coverage range is communicated with, and the network of the 5G base station gNodeB is accessed through the 5G customer terminal equipment CPE of the mobile communication terminal UE1, which further solves the problem of the influence of co-frequency interference on the 5G communication network, thereby improving the coverage performance of the 5G communication network.

[0022] In the present invention, the above-mentioned technical solutions can also be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the subsequent description, and some advantages can become obvious from the description, or can be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the contents particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings are only for the purpose of illustrating particular embodiments and are not to be considered limiting of the present invention. Like reference symbols denote like components throughout the drawings.

[0024] Figure 1 The present invention provides a system architecture for a 5G air interface dynamic multiplexing method based on ad hoc network assistance;

[0025] Figure 2 A schematic diagram of a 5G air interface dynamic multiplexing method based on ad hoc network assistance of the present invention using a narrowband ad hoc network module R-Mesh to fill the 5G same-frequency network coverage interference area;

[0026] Figure 3 This is a schematic diagram of dynamic upgrading and downgrading of the same-frequency network under two communication nodes in a 5G air interface dynamic multiplexing method based on self-organizing network assistance of the present invention. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0028] A specific embodiment of the present invention discloses a 5G air interface dynamic multiplexing method based on ad hoc network assistance. The specific steps include S1-S2.

[0029] Step S1. For the same-frequency networking scenario of base station movement, a communication system including a base station layer and a terminal layer is built, wherein the base station layer includes multiple communication nodes, each communication node is composed of a 5G base station gNodeB, a broadband self-organizing network module B-Mesh, a 5G core network and a node network control; the terminal layer includes multiple mobile communication terminals UE; each mobile communication terminal UE includes a 5G customer terminal equipment CPE, a narrowband self-organizing network module R-Mesh and a terminal network control; the broadband self-organizing network modules B-Mesh in the multiple communication nodes are interconnected to realize mesh network horizontal communication between communication nodes, which is used to receive and forward data and signaling between communication nodes; the 5G customer terminal equipment CPE accesses the 5G base station gNodeB to form a star network with the 5G core network; the narrowband self-organizing network modules R-Mesh form a narrowband self-organizing network to realize mesh network interconnection between mobile communication terminals UE.

[0030] Specifically, 5G is the abbreviation of the fifth generation mobile communication technology (5th Generation Mobile Communication Technology), which is a new generation of broadband mobile communication technology with the characteristics of high speed, low latency and large connection. 5G communication facilities are the network infrastructure for realizing the interconnection between people, machines and things.

[0031] The 5G core network is a mobile network core layer device based on the 5G network architecture. It is responsible for handling core functions in the network, including user connection, traffic management, service quality assurance and security. The 5G core network provides access, session, storage, mobility management and other functions for communication nodes.

[0032] 5G base station gNodeB is a network device in the 5G network. 5G base station gNodeB provides user access for communication nodes and is responsible for the transmission and processing of wireless signals.

[0033] The mobile communication terminal UE in this embodiment has 5G and R-Mesh communication functions. The 5G customer terminal equipment CPE is a customer front-end 5G terminal equipment that receives 5G signals from the 5G base station gNodeB and converts them into WiFi or wired signals, allowing more local devices (mobile phones, tablets, computers) to access the 5G network. The NG interface is the interface between the wireless access network and the 5G core network.

[0034] The system architecture used is as follows Figure 1 shown.

[0035] The node network control is an independent hardware controller or a software controller deployed in the 5G core network. It is used to manage the routing between communication nodes, identify data messages and forward them to the 5G core network or broadband self-organizing network module B-Mesh, and control the dynamic upgrade and downgrade of 5G same-frequency networking.

[0036] The terminal network control is an independent hardware controller or a software controller deployed in the 5G customer terminal equipment CPE, which is used to manage the routing between mobile communication terminals UE and between mobile communication terminals UE and 5G core network, identify data messages and forward them to the 5G core network or narrowband self-organizing network module R-Mesh, and control R-Mesh to maintain the communication capability of mobile communication terminals UE in the mutual interference area covered by 5G same-frequency networking when the 5G signal is interfered.

[0037] Specifically, the hardware controller may be any one of ARM, DSP, MCU, FPGA, or a software controller based on Linux operating system or Windows operating system.

[0038] The narrowband ad hoc network module R-Mesh in the mobile communication terminal UE may also be replaced by B-Mesh.

[0039] Step S2: When a communication node moves toward or away from its adjacent communication node, the broadband self-organizing network module B-Mesh is used to assist in the dynamic upgrading and downgrading of the 5G same-frequency network.

[0040] The schematic diagram of dynamic upgrading and downgrading of the same frequency network under two communication nodes is as follows Figure 3 shown.

[0041] When a communication node moves toward or away from its adjacent communication node, the broadband self-organizing network module B-Mesh is used to assist in the dynamic upgrading and downgrading of the 5G same-frequency network, including: the two communication nodes both judge the signal power levels of their adjacent communication nodes through the broadband self-organizing network module B-Mesh in their own communication nodes. If the signal power level of the communication node or any of its adjacent communication nodes is greater than the set threshold, the 5G base station gNodeB of the node with fewer people currently online among the two communication nodes deactivates all its cells, thereby achieving the dynamic downgrading of the 5G same-frequency network assisted by the broadband self-organizing network module B-Mesh; if the signal power levels of the communication node and its adjacent communication nodes are restored to less than the set threshold, all deactivated cells in the two communication nodes are reactivated, thereby achieving the dynamic upgrading of the 5G same-frequency network assisted by the broadband self-organizing network module B-Mesh.

[0042] Specifically, the broadband self-organizing network module B-Mesh is used to assist in the dynamic upgrade of 5G co-frequency networking. B-Mesh has a detection function. The node network control of the communication node obtains the signal power level of the neighboring communication node B-Mesh through B-Mesh. The communication node determines the distance between the neighboring communication node and the communication node according to the signal power level of the neighboring communication node B-Mesh, and then determines whether there is mutual interference between the communication nodes through the okumura-hate model. When the power exceeds the threshold, all cells under the communication node gNodeb with a small number of online users are deactivated to achieve dynamic degradation; when the power is lower than the threshold, all deactivated cells under the communication node gNodeb are reactivated to achieve dynamic upgrade.

[0043] When a communication node moves toward its adjacent communication node, the two communication nodes both judge the signal power level of their adjacent communication nodes through the broadband self-organizing network module B-Mesh in their own communication nodes. If the signal power level of the communication node or either of its adjacent communication nodes is greater than the set threshold, the node network control of the two communication nodes obtains the current number of online users of their own communication nodes through their own 5G core network, and interacts through the broadband self-organizing network module B-Mesh. The 5G core network of the communication node with fewer online users currently closes the NG interface of the 5G base station gNodeB in the communication node; when the 5G base station gNodeB of the communication node with fewer online users detects that the NG interface is disconnected, all cells under the 5G base station gNodeB are deactivated.

[0044] Specifically, 5G multi-base station networking communication under limited frequency band resources needs to adopt the same-frequency networking mode. When two base stations are close to each other or the transmission power is large, there will be strong same-frequency interference, which seriously affects 5G services. This embodiment adopts a 5G air interface dynamic multiplexing method assisted by a broadband self-organizing network module B-Mesh to solve the problem of the impact of same-frequency interference on the communication network.

[0045] When a communication node moves away from its adjacent communication node, the two communication nodes both judge the signal power level of their adjacent communication nodes through the broadband self-organizing network module B-Mesh in their own communication nodes. If the signal power levels of the communication node and its adjacent communication nodes are restored to less than the set threshold, the node network control of the communication node with deactivated cell notifies the 5G core network to which it is connected that the strongly interfering adjacent communication node disappears. After the 5G core network receives the information that the strongly interfering adjacent communication node disappears, if the NG port of the 5G base station gNodeB in the communication node is closed, the connection between the NG interface and the 5G base station gNodeB is restored. The 5G base station gNodeB detects the restoration of the NG interface and automatically reactivates all deactivated cells under the current 5G base station gNodeB.

[0046] Specifically, the signal power level judgment between every two adjacent communication nodes is carried out in real time, and dynamic upgrade and downgrade are carried out in real time. During the dynamic downgrade process, as long as the signal power level of one of the adjacent communication nodes of a communication node exceeds the threshold, all cells under the 5G base station gNodeb with a small number of current online users of the two adjacent communication nodes will be deactivated. During the dynamic upgrade process, only when the signal power levels of all adjacent communication nodes of a communication node are lower than the set threshold can the deactivated cells under the communication node be reactivated.

[0047] like Figure 3 The communication node approach process shown in the left figure:

[0048] Communication node 1 moves toward the adjacent communication node 2, and the node network control of communication nodes 1 and 2 obtains the signal power level of the adjacent communication node through its own broadband self-organizing network module B-Mesh. When the measured signal power level of the adjacent communication node exceeds the threshold, it is considered that the two communication nodes are very close, and the co-frequency interference will seriously affect the 5G system. The node network control of the two communication nodes obtains the current number of online users from the 5G core network and interacts with each other through the broadband self-organizing network module B-Mesh. The node network control of the communication node with a small number of online users notifies the 5G core network of this node that there is a strong interference neighboring area. After receiving the event of the existence of a strong interference neighboring node, the 5G core network logically closes the NG interface with the 5G base station gNodeb. When the 5G base station gNodeb detects that the NG link is disconnected, it will automatically deactivate all cells under the current 5G base station gNodeb.

[0049] like Figure 3 The communication node shown in the figure on the right is moving away from the process:

[0050] Communication node 1 is far away from the adjacent communication node 2. The node network control of communication nodes 1 and 2 obtains the signal power level of the adjacent communication node through its own broadband self-organizing network module B-Mesh. When the measured signal power levels of the broadband self-organizing network modules B-Mesh of the two adjacent nodes are both lower than the set threshold, it is considered that the distance between the nodes is far. At this time, the impact of co-channel interference is controllable. The node network control of the communication node notifies the 5G core network of this node that the strong interference neighboring node has disappeared. After the 5G core network receives the event of the disappearance of the strong interference neighboring node, if the NG interface of the 5G base station gNodeb is closed, the connection with the NG interface of the 5G base station gNodeb needs to be restored. When the 5G base station gNodeb detects the restoration of the NG interface, it will automatically reactivate all deactivated cells under the current 5G base station gNodeb.

[0051] The schematic diagram of using narrowband ad hoc network module R-Mesh to fill the interference area of ​​5G co-frequency network coverage is as follows Figure 2 shown.

[0052] After the broadband self-organizing network module B-Mesh is used to assist the dynamic upgrade of the 5G same-frequency network, the node network control of each communication node adjusts the transmission power of the 5G base station gNodeB by real-time analysis of the distribution position of the mobile communication terminal UE, so that the proportion of mobile communication terminal UE accessing the 5G network is greater than the set proportion threshold; when the terminal network control of the mobile communication terminal UE3 located in the coverage interference area detects that the 5G signal is interfered, the narrowband self-organizing network module R-Mesh is used to maintain the communication capability.

[0053] Specifically, when the broadband self-organizing network module B-Mesh detects that the signal power level of the adjacent node has recovered to less than the set threshold, all deactivated cells under the current 5G base station gNodeB are reactivated, but there may still be mobile communication terminals UE located in the coverage interference area that will be interfered with. At this time, the self-organizing network communication method is used to fill the 5G co-frequency network coverage interference area. The node network control of the communication node adjusts the transmission power of the 5G base station gNodeB by analyzing the UE distribution position in real time, so that most UEs can access the 5G network. The terminal network control in the coverage interference area detects that the 5G signal is interfered with, and the narrowband self-organizing network module R-Mesh is used to maintain communication capabilities.

[0054] The use of the narrowband self-organizing network module R-Mesh to maintain communication capabilities includes: the mobile communication terminal UE3 located in the coverage interference area selects a mobile communication terminal UE1 within the coverage range of the 5G signal, communicates with the narrowband self-organizing network module R-Mesh of the mobile communication terminal UE1 within the coverage range, and accesses the network of the 5G base station gNodeB through the 5G customer terminal equipment CPE of the mobile communication terminal UE1.

[0055] The mobile communication terminal UE3 located in the coverage interference area selects a mobile communication terminal UE1 within the 5G signal coverage area, including: selecting a mobile communication terminal UE1 within the 5G signal coverage area according to the signal power level of the communication node to which the mobile communication terminal within the 5G signal coverage area is connected, the traffic of the communication node, and the signal quality level.

[0056] Specifically, when the terminal network control of the mobile communication terminal UE3 in the 5G co-frequency networking coverage interference area detects that the 5G signal is interfered, it will give priority to the mobile communication terminal UE1 with high signal power level, small traffic and good signal quality level in the 5G signal coverage range, and communicate with the narrowband self-organizing network module R-Mesh of the mobile communication terminal UE1 in the coverage range, and access the network of the 5G base station gNodeB through the 5G customer terminal equipment CPE of the mobile communication terminal UE1.

[0057] Compared with the prior art, in this embodiment, when a communication node moves toward or away from its adjacent communication node, the broadband self-organizing network module B-Mesh is used to assist in the dynamic upgrading and downgrading of the 5G same-frequency network, including: the two communication nodes both judge the signal power level of their adjacent communication nodes through the broadband self-organizing network module B-Mesh in their own communication nodes. If the signal power level of their adjacent communication nodes is greater than the set threshold, the 5G base station gNodeB of the node with fewer people currently online among the two communication nodes deactivates all its cells, thereby realizing the dynamic downgrading of the 5G same-frequency network assisted by the broadband self-organizing network module B-Mesh; if the signal power level of its adjacent communication node is restored to less than the set threshold, all deactivated cells in the two communication nodes are reactivated, thereby realizing the dynamic upgrading of the 5G same-frequency network assisted by the broadband self-organizing network module B-Mesh, and solving the problem of the influence of the same-frequency interference on the communication network. In this embodiment, the node network control of the 5G co-frequency networking communication node analyzes the UE distribution position in real time and adjusts the base station transmission power so that most UEs can access the 5G network. Then, for the mobile communication terminal UE3 located in the coverage interference area, a mobile communication terminal UE1 within the 5G signal coverage range is selected to communicate with the narrowband self-organizing network module R-Mesh of the mobile communication terminal UE1 within the coverage range, and access the network of the 5G base station gNodeB through the 5G customer terminal equipment CPE of the mobile communication terminal UE1, which further solves the problem of the influence of co-frequency interference on the 5G communication network, thereby improving the coverage performance of the 5G communication network.

[0058] Those skilled in the art will appreciate that all or part of the processes of the above-mentioned embodiments can be implemented by instructing related hardware through a computer program, and the program can be stored in a computer-readable storage medium, wherein the computer-readable storage medium is a disk, an optical disk, a read-only storage memory, or a random access memory, etc.

[0059] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A 5G air interface dynamic multiplexing method based on ad hoc network assistance, characterized in that: For the same-frequency networking scenario with mobile base stations, a communication system including a base station layer and a terminal layer is built, wherein the base station layer includes multiple communication nodes, each of which is composed of a 5G base station gNodeB, a broadband self-organizing network module B-Mesh, a 5G core network and a node network control; the terminal layer includes multiple mobile communication terminals UE; each mobile communication terminal UE includes a 5G customer terminal equipment CPE, a narrowband self-organizing network module R-Mesh and a terminal network control; the broadband self-organizing network modules B-Mesh in the multiple communication nodes are interconnected to realize mesh network horizontal communication between communication nodes, which is used to receive and forward data and signaling between communication nodes; the 5G customer terminal equipment CPE is connected to the 5G base station gNodeB to form a star network with the 5G core network; the narrowband self-organizing network modules R-Mesh form a narrowband self-organizing network to realize mesh network interconnection between mobile communication terminals UE; when a communication node moves toward or away from its adjacent communication node, the broadband self-organizing network module B-Mesh is used to assist in the dynamic upgrading and downgrading of the 5G same-frequency networking.

2. The 5G air interface dynamic multiplexing method according to claim 1, characterized in that: When a communication node moves toward or away from its adjacent communication node, the broadband self-organizing network module B-Mesh is used to assist in the dynamic upgrading and downgrading of the 5G same-frequency network, including: the two communication nodes both judge the signal power levels of their adjacent communication nodes through the broadband self-organizing network module B-Mesh in their own communication nodes. If the signal power level of the communication node or any of its adjacent communication nodes is greater than the set threshold, the 5G base station gNodeB of the node with fewer people currently online among the two communication nodes deactivates all its cells, thereby achieving the dynamic downgrading of the 5G same-frequency network assisted by the broadband self-organizing network module B-Mesh; if the signal power levels of the communication node and its adjacent communication nodes are restored to less than the set threshold, all deactivated cells in the two communication nodes are reactivated, thereby achieving the dynamic upgrading of the 5G same-frequency network assisted by the broadband self-organizing network module B-Mesh.

3. The 5G air interface dynamic multiplexing method according to claim 2, characterized in that: When a communication node moves toward its adjacent communication node, the two communication nodes both judge the signal power level of their adjacent communication nodes through the broadband self-organizing network module B-Mesh in their own communication nodes. If the signal power level of the communication node or either of its adjacent communication nodes is greater than the set threshold, the node network control of the two communication nodes obtains the current number of online users of their own communication nodes through their own 5G core network, and interacts through the broadband self-organizing network module B-Mesh. The 5G core network of the communication node with fewer online users currently closes the NG interface of the 5G base station gNodeB in the communication node; when the 5G base station gNodeB of the communication node with fewer online users detects that the NG interface is disconnected, all cells under the 5G base station gNodeB are deactivated.

4. The 5G air interface dynamic multiplexing method according to claim 3, characterized in that: When a communication node moves away from its adjacent communication node, the two communication nodes both judge the signal power level of their adjacent communication nodes through the broadband self-organizing network module B-Mesh in their own communication nodes. If the signal power levels of the communication node and its adjacent communication nodes are restored to less than the set threshold, the node network control of the communication node with deactivated cell notifies the 5G core network to which it is connected that the strongly interfering adjacent communication node disappears. After the 5G core network receives the information that the strongly interfering adjacent communication node disappears, if the NG port of the 5G base station gNodeB in the communication node is closed, the connection between the NG interface and the 5G base station gNodeB is restored. The 5G base station gNodeB detects the restoration of the NG interface and automatically reactivates all deactivated cells under the current 5G base station gNodeB.

5. The 5G air interface dynamic multiplexing method according to claim 4, characterized in that: After the broadband self-organizing network module B-Mesh is used to assist the dynamic upgrade of the 5G same-frequency network, the node network control of each communication node adjusts the transmission power of the 5G base station gNodeB by real-time analysis of the distribution position of the mobile communication terminal UE, so that the proportion of mobile communication terminal UE accessing the 5G network is greater than the set proportion threshold; when the terminal network control of the mobile communication terminal UE3 located in the coverage interference area detects that the 5G signal is interfered, the narrowband self-organizing network module R-Mesh is used to maintain the communication capability.

6. The 5G air interface dynamic multiplexing method according to claim 5, characterized in that: The use of the narrowband self-organizing network module R-Mesh to maintain communication capabilities includes: the mobile communication terminal UE3 located in the coverage interference area selects a mobile communication terminal UE1 within the coverage range of the 5G signal, communicates with the narrowband self-organizing network module R-Mesh of the mobile communication terminal UE1 within the coverage range, and accesses the network of the 5G base station gNodeB through the 5G customer terminal equipment CPE of the mobile communication terminal UE1.

7. The 5G air interface dynamic multiplexing method according to claim 6, characterized in that: The mobile communication terminal UE3 located in the coverage interference area selects a mobile communication terminal UE1 within the 5G signal coverage area, including: selecting a mobile communication terminal UE1 within the 5G signal coverage area according to the signal power level of the communication node to which the mobile communication terminal within the 5G signal coverage area is connected, the traffic of the communication node, and the signal quality level.

8. The 5G air interface dynamic multiplexing method according to claim 1, characterized in that: The node network control is an independent hardware controller or a software controller deployed in the 5G core network. It is used to manage the routing between communication nodes, identify data messages and forward them to the 5G core network or broadband self-organizing network module B-Mesh, and control the dynamic upgrade and downgrade of 5G same-frequency networking.

9. The 5G air interface dynamic multiplexing method according to claim 5, characterized in that: The terminal network control is an independent hardware controller, or a software controller deployed in the 5G customer terminal equipment CPE, which is used to manage the routing between mobile communication terminals UE and between mobile communication terminals UE and 5G core network, identify data messages and forward them to the 5G core network or narrowband self-organizing network module R-Mesh, and control the narrowband self-organizing network module R-Mesh to maintain the communication capability of mobile communication terminals UE in the mutual interference area covered by the 5G same-frequency network when the 5G signal is interfered.

10. The 5G air interface dynamic multiplexing method according to claims 1-9, characterized in that: The narrowband ad hoc network module R-Mesh in the mobile communication terminal UE may also be replaced by a broadband ad hoc network module B-Mesh.

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