5G power virtual private network terminal efficient access method supporting multiple operators

Abstract

The invention discloses a 5G power virtual private network terminal efficient access method supporting multiple operators, and belongs to the field of 5G network management and optimization, and the 5G power virtual private network terminal efficient access method comprises a 5G operator signal access subsystem and a 5G operator signal stabilization subsystem which are connected in sequence; the 5G operator signal access subsystem comprises a terminal access module and a 5G operator cooperation module which are connected in sequence; and the 5G operator signal stabilization subsystem comprises a bandwidth detection module, a delay monitoring module and an access optimization control module which are connected in sequence. Through the 5G operator signal access subsystem and the 5G operator signal stabilization subsystem, a plurality of 5G operators can be accessed at the same time, the optimal 5G operator is selected for access, after the 5G operators are accessed, the bandwidth and delay of each 5G operator are monitored in real time, the access of the 5G operators is dynamically adjusted according to the check result, and the communication quality and uninterrupted communication are ensured.

Description

Technical Field

[0001] The present invention belongs to the field of 5G network management and optimization, and specifically relates to an efficient access method for 5G power virtual private network terminals that supports multiple operators. Background Art

[0002] Existing 5G network access technologies are mainly based on traditional core network architectures, usually using a centralized management model and relying on fixed resource allocation strategies. These systems are usually composed of terminal devices, base stations, core networks, and management platforms, lack dynamic adaptability, and cannot effectively cope with traffic fluctuations caused by massive terminal access. In addition, existing technologies are prone to increased access latency and low resource utilization in high-concurrency scenarios, mainly due to fixed resource configuration and lack of intelligent scheduling mechanisms. Summary of the invention

[0003] In response to the above-mentioned deficiencies in the prior art, the present invention provides an efficient access method for 5G power virtual private network terminals that supports multiple operators, which solves the problem of waste of communication resources caused by insufficient bandwidth or delay problems.

[0004] In order to achieve the above-mentioned invention object, the technical solution adopted by the present invention is: a 5G power virtual private network terminal efficient access method supporting multiple operators, including a 5G operator signal access subsystem and a 5G operator signal stabilization subsystem connected in sequence; the 5G operator signal access subsystem includes a terminal access module and a 5G operator collaboration module connected in sequence; the 5G operator signal stabilization subsystem includes a bandwidth detection module, a delay monitoring module and an access optimization control module connected in sequence;

[0005] The terminal access module is used to access and switch to several 5G operators at the same time, and obtain the signal strength and network status of the 5G operators;

[0006] The 5G operator collaboration module is used to evaluate the signal strength and network status of the 5G operator and access the best 5G operator;

[0007] The bandwidth detection module is used to monitor the bandwidth occupancy of several 5G operators in real time, calculate the remaining available bandwidth of the 5G operators, and calculate the bandwidth prediction value based on historical data;

[0008] The delay monitoring module is used to monitor the network delay of several 5G operators in real time and calculate the 5G operator with the best delay;

[0009] The access optimization control module is used to dynamically adjust the access strategy of the terminal access module, select the optimal access path and adjust the bandwidth allocation ratio according to the bandwidth occupancy and network delay of the 5G operator.

[0010] The beneficial effects of the present invention are as follows: the present invention realizes the initial access of the 5G operator signal through the 5G operator signal access subsystem. After accessing the 5G signal, the signal is monitored in real time through the 5G operator signal stabilization subsystem to select the 5G operator with the best signal; the present invention accesses the 5G operator signal through the terminal access module and the 5G operator collaboration module, and can access multiple 5G operators at the same time, and automatically switch to the best signal source, avoiding network interruption problems caused by poor signals of a single 5G operator, ensuring network continuity, and improving network redundancy; at the same time, after accessing the 5G operator, the bandwidth occupancy and network delay of each 5G operator are monitored in real time through the bandwidth detection module, the delay monitoring module and the access optimization control module, and the access selection of the 5G operator and the bandwidth occupancy demand of the terminal are dynamically adjusted according to the inspection results, ensuring communication quality and uninterrupted communication, and avoiding resource waste caused by insufficient bandwidth or delay problems.

[0011] Further: the terminal access module includes a concurrent connection manager, which can install several SIM cards to achieve simultaneous access of several 5G operators and SIM card switching;

[0012] The expression of the SIM card switching is as follows:

[0013] Active SIM = arg max Q i (S i ,U i ,L i )

[0014] Among them, Active SIM is to switch SIM card, Q i Score the signal quality of the i-th 5G operator, S i is the signal strength of the i-th 5G operator, U i is the bandwidth utilization of the i-th 5G operator, L i is the network delay of the i-th 5G operator.

[0015] The beneficial effects of the above further scheme are: through SIM card switching, the terminal can access multiple 5G operators at the same time and automatically switch to the best signal source, avoiding network interruption problems caused by poor signal of a single 5G operator, achieving wider signal coverage, ensuring network continuity, and improving network redundancy.

[0016] Further: the 5G operator collaboration module is used to evaluate the signal strength and network status of the 5G operator and access the best 5G operator, which is specifically:

[0017] Based on the signal strength and network status of 5G operators and historical signal data, a deep learning model is used to obtain the predicted access volume of several 5G operators;

[0018] Determine the actual mission required bandwidth based on actual mission requirements, compare it with the predicted access volume of 5G operators, and determine the priority of several 5G operators;

[0019] Based on the signal strength, bandwidth utilization and network latency of 5G operators, the signal quality scores of several 5G operators were obtained;

[0020] Based on the priorities and signal quality scores of several 5G operators, you can obtain and access the best 5G operator.

[0021] The beneficial effect of the above further scheme is: through the 5G operator collaboration module, the signal quality of 5G operators can be evaluated, and the best 5G operator can be selected based on the evaluation results to improve the signal quality of access and ensure high quality of communication.

[0022] Further: The specific expression for calculating the predicted access volume is as follows:

[0023]

[0024] in, is the predicted access volume of the i-th 5G operator, X is the feature vector, including the signal strength and network status of the 5G operator, as well as historical signal data, and W train is the weight matrix, b train is the bias term.

[0025] The beneficial effect of the above further scheme is: by predicting the access volume of 5G operators, it is possible to preliminarily judge the quality of 5G operator signal access and avoid network congestion and access delays.

[0026] Further: The expression of the signal quality score of the 5G operator is as follows:

[0027]

[0028] Among them, Q i Score the signal quality of the i-th 5G operator, S i is the signal strength of the i-th 5G operator, S max is the maximum signal strength, U i is the bandwidth utilization of the i-th 5G operator, L i is the network delay of the i-th 5G operator, α1, α2 and α3 are weight coefficients.

[0029] The beneficial effect of the above further scheme is: through signal quality scoring, the signal quality of 5G operators is digitized to provide a basis for judging signal quality.

[0030] Further: the calculation expression of the remaining available bandwidth is as follows;

[0031] B i ′ =B i (1-U i )

[0032] Among them, B I ′ is the remaining available bandwidth of the i-th 5G operator, B i is the current bandwidth measurement value of the i-th 5G operator, U i is the bandwidth occupancy rate of the i-th 5G operator;

[0033] The calculation expression of the bandwidth prediction is as follows:

[0034]

[0035] in, is the bandwidth prediction value, f is the time series prediction model, B i is the current bandwidth measurement value, and t is the time dimension.

[0036] The beneficial effect of the above further scheme is: by real-time monitoring and calculating the remaining available bandwidth of the 5G operator and predicting the bandwidth, it is possible to switch in time when the bandwidth of the 5G operator signal is insufficient to ensure the high quality of the signal.

[0037] Further: the delay monitoring module is used to monitor the network delay of several 5G operators in real time, and calculate the 5G operator with the best delay, and its calculation expression is as follows:

[0038]

[0039] Among them, i * is the index of the optimal 5G operator selected, L i is the network delay of the i-th 5G operator, Indicates the selection of network delay L i The smallest 5G operator serves as the final access point.

[0040] The beneficial effect of the above further scheme is: by real-time monitoring and calculating the network delay of the 5G operator, timely switching is performed when the delay of the 5G operator signal is high, thereby ensuring low signal delay and communication quality.

[0041] Further: the access optimization control module is used to dynamically adjust the access strategy of the terminal access module according to the bandwidth occupancy and network delay of the 5G operator, select the optimal access path and adjust the bandwidth allocation ratio, which specifically includes:

[0042] According to the bandwidth occupancy and network delay of the 5G operator, the terminal access module is controlled to switch to the 5G operator with the most abundant bandwidth occupancy and the lowest network delay;

[0043] Several terminal access modules are connected to the same 5G operator, and short-range communication technology is used to share bandwidth and network status data among the several terminal access modules. The bandwidth allocation ratio of each terminal access module is adjusted according to the overall network status through real-time communication between neighboring terminals.

[0044] The beneficial effect of the above further scheme is: through real-time monitoring of signal bandwidth and delay, the system automatically switches to the 5G operator with the lowest delay and the most abundant bandwidth, ensuring the quality of communication, without interruption during communication, and avoiding waste of resources caused by insufficient bandwidth or delay problems.

[0045] Further: the bandwidth allocation ratio of each terminal access module is adjusted, and its calculation expression is as follows:

[0046]

[0047] in, is the bandwidth allocation ratio of the kth terminal, T k is the task bandwidth requirement of the kth terminal, B′ is the remaining available bandwidth of the 5G operator, T j is the task bandwidth requirement of the jth terminal.

[0048] The beneficial effects of the above further scheme are: dynamically adjusting the bandwidth allocation ratio of each terminal according to the overall network status, making full use of the communication resources of the 5G operator signal, and avoiding resource waste caused by insufficient bandwidth or delay problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] Figure 1 A diagram of an efficient access method for 5G power virtual private network terminals that supports multiple operators. DETAILED DESCRIPTION

[0050] The specific implementation modes of the present invention are described below so that those skilled in the art can understand the present invention. However, it should be clear that the present invention is not limited to the scope of the specific implementation modes. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present invention as defined and determined by the attached claims, these changes are obvious, and all inventions and creations utilizing the concept of the present invention are protected.

[0051] like Figure 1 As shown, a 5G power virtual private network terminal efficient access method supporting multiple operators includes a 5G operator signal access subsystem and a 5G operator signal stabilization subsystem connected in sequence; the 5G operator signal access subsystem includes a terminal access module and a 5G operator collaboration module connected in sequence; the 5G operator signal stabilization subsystem includes a bandwidth detection module, a delay monitoring module and an access optimization control module connected in sequence;

[0052] 5G operator signal access subsystem, used to access and switch to several 5G operators at the same time, and access the best 5G operator;

[0053] 5G operator signal stabilization subsystem, which is used to monitor the bandwidth and latency of 5G operators in real time, access the best 5G operator and adjust the bandwidth allocation ratio;

[0054] The terminal access module is used to access and switch to several 5G operators at the same time, and obtain the signal strength and network status of the 5G operators;

[0055] 5G operator collaboration module, used to evaluate the signal strength and network status of 5G operators and connect to the best 5G operator;

[0056] The bandwidth detection module is used to monitor the bandwidth usage of several 5G operators in real time, calculate the remaining available bandwidth of 5G operators, and calculate the bandwidth prediction value based on historical data;

[0057] The delay monitoring module is used to monitor the network delay of several 5G operators in real time and calculate the 5G operator with the best delay;

[0058] The access optimization control module is used to dynamically adjust the access strategy of the terminal access module, select the optimal access path and adjust the bandwidth allocation ratio according to the bandwidth occupancy and network delay of the 5G operator.

[0059] In one embodiment of the present invention, the terminal access module includes a concurrent connection manager, which can install several SIM cards and use radio frequency processing to perform signal processing and synchronization to achieve simultaneous access of several 5G operators and SIM card switching; through the concurrent connection manager, the terminal access module can activate a SIM card for data transmission at any time as needed while keeping multiple SIM cards on standby at the same time. At the same time, the status of each SIM card, such as connection status, data transmission status, standby status, etc., will be monitored and managed in real time to ensure the independence and synchronization of each interface.

[0060] The expression for SIM card switching is as follows:

[0061] Active SIM = arg max Q i (S i ,U i ,L i )

[0062] Among them, Active SIM is to switch SIM card, Q i Score the signal quality of the i-th 5G operator, S i is the signal strength of the i-th 5G operator, U i is the bandwidth utilization of the i-th 5G operator, L i The network delay of the i-th 5G operator. By switching SIM cards, the terminal simultaneously accesses multiple 5G operators and automatically switches to the signal of the best 5G operator, avoiding network interruption caused by poor signal of a single 5G operator.

[0063] In one embodiment of the present invention, the signal strength and network status of the 5G operator are evaluated through the 5G operator collaboration module, and the best 5G operator is accessed, which is specifically:

[0064] According to the signal strength and network status of 5G operators, as well as historical signal data, the deep learning model is used to process and obtain the predicted access volume of several 5G operators. The calculation expression is as follows:

[0065]

[0066] in, is the predicted access volume of the i-th 5G operator, X is the feature vector, including the signal strength and network status of the 5G operator, as well as historical signal data, and W train is the weight matrix, b train is the bias term;

[0067] According to the actual task requirement T, determine the actual task requirement bandwidth B T , and the predicted access volume of 5G operators Compare and prioritize several 5G operators;

[0068] According to the signal strength S of the 5G operator i , bandwidth utilization U i and network delay L i , and obtain the signal quality scores of several 5G operators; the expression of signal quality score is as follows:

[0069]

[0070] Among them, Q i Score the signal quality of the i-th 5G operator, Si is the signal strength of the i-th 5G operator, S max is the maximum signal strength, U i is the bandwidth utilization of the i-th 5G operator, L i is the network delay of the i-th 5G operator, α1, α2 and α3 are all weight coefficients, and their specific values ​​are determined according to the actual task requirements. For example, if the task requirements have high requirements for low delay, α3 can be set larger. The above formula uses S i and S max The signal strength is standardized by the ratio of , which is suitable for dynamic selection in scenarios with high real-time requirements, focusing on signal strength normalization and simplified model;

[0071] In one embodiment of the present invention, the expression of the signal quality score may also be as follows:

[0072] Q i =α×S i +β×SNR i -γ×L i -δ×C i

[0073] Among them, Q i Score the signal quality of the i-th 5G operator, S i is the signal strength of the i-th 5G operator, SNR i is the signal-to-noise ratio of the i-th 5G operator, U i is the bandwidth utilization of the i-th 5G operator, L i is the network delay of the i-th 5G operator, C i is the network congestion of the i-th 5G operator, α, β, γ and δ are weight coefficients, and the above formula directly uses S i It is used to represent signal strength, taking into account the influence of signal noise. It is suitable for use in complex network environments and can more comprehensively describe the different characteristics of the network.

[0074] Based on the priorities and signal quality scores of several 5G operators, the best 5G operator is obtained and accessed; the 5G operator with the highest priority and the highest signal quality score is selected as the best 5G operator.

[0075] In one embodiment of the present invention, the bandwidth detection module is used to monitor the bandwidth occupancy of several 5G operators in real time, calculate the remaining available bandwidth of the 5G operators, perform bandwidth prediction based on historical data, and calculate the remaining available bandwidth of the 5G operators. The calculation expression is as follows:

[0076] B i ′ =B i (1-U i )

[0077] Among them, B i ′ is the remaining available bandwidth of the i-th 5G operator, B i is the current bandwidth measurement value of the i-th 5G operator, U i is the bandwidth occupancy rate of the i-th 5G operator;

[0078] Combine historical data to predict bandwidth. Use a time series prediction model to predict bandwidth demand and bandwidth change trends for a period of time in the future based on short-term historical bandwidth data. The calculation expression is as follows:

[0079]

[0080] in, is the bandwidth prediction value, f is the time series prediction model, B i is the current bandwidth measurement value, and t is the time dimension.

[0081] In one embodiment of the present invention, the delay monitoring module is used to monitor the network delay of several 5G operators in real time. i , the 5G operator with the best delay is calculated, and the calculation expression is as follows:

[0082]

[0083] Among them, i * is the index of the optimal 5G operator selected, L i is the network delay of the i-th 5G operator, Indicates the selection of network delay L i The smallest 5G operator serves as the final access point and can set the delay threshold L threshold , for the delay L i Make a preliminary assessment.

[0084] In one embodiment of the present invention, the access optimization control module is used to dynamically adjust the access strategy of the terminal access module according to the bandwidth occupancy and network delay of the 5G operator, select the optimal access path and adjust the bandwidth allocation ratio, which specifically includes:

[0085] According to the bandwidth occupancy and network delay of the 5G operator, the terminal access module is controlled to switch to the 5G operator with the most abundant bandwidth occupancy and the lowest network delay;

[0086] Several terminal access modules are connected to the same 5G operator. The short-distance communication technology is used to share bandwidth and network status data between the terminal access modules. The bandwidth allocation ratio of each terminal access module is adjusted according to the overall network status through real-time communication between adjacent terminals. The calculation expression is as follows:

[0087]

[0088] in, is the bandwidth allocation ratio of the kth terminal, T k is the task bandwidth requirement of the kth terminal, B′ is the remaining available bandwidth of the 5G operator, T j is the task bandwidth requirement of the jth terminal.

[0089] The beneficial effects of the present invention are as follows: the present invention realizes the initial access of the 5G operator signal through the 5G operator signal access subsystem. After accessing the 5G signal, the signal is monitored in real time through the 5G operator signal stabilization subsystem to select the 5G operator with the best signal; the present invention accesses the 5G operator signal through the terminal access module and the 5G operator collaboration module, and can access multiple 5G operators at the same time, and automatically switch to the best signal source, avoiding network interruption problems caused by poor signals of a single 5G operator, ensuring network continuity, and improving network redundancy; at the same time, after accessing the 5G operator, the bandwidth occupancy and network delay of each 5G operator are monitored in real time through the bandwidth detection module, the delay monitoring module and the access optimization control module, and the access selection of the 5G operator and the bandwidth occupancy demand of the terminal are dynamically adjusted according to the inspection results, ensuring communication quality and uninterrupted communication, and avoiding resource waste caused by insufficient bandwidth or delay problems.

Claims

1. A method for efficiently accessing 5G power virtual private network terminals supporting multiple operators, characterized in that: It includes a 5G operator signal access subsystem and a 5G operator signal stabilization subsystem connected in sequence; the 5G operator signal access subsystem includes a terminal access module and a 5G operator collaboration module connected in sequence; the 5G operator signal stabilization subsystem includes a bandwidth detection module, a delay monitoring module and an access optimization control module connected in sequence; The 5G operator signal access subsystem is used to access and switch to multiple 5G operators at the same time, and access the best 5G operator; The 5G operator signal stabilization subsystem is used to monitor the bandwidth and delay of the 5G operator in real time, access the best 5G operator and adjust the bandwidth allocation ratio; The terminal access module is used to access and switch to multiple 5G operators at the same time, and obtain the signal strength and network status of the 5G operators; The 5G operator collaboration module is used to evaluate the signal strength and network status of the 5G operator and access the best 5G operator; The bandwidth detection module is used to monitor the bandwidth occupancy of several 5G operators in real time, calculate the remaining available bandwidth of the 5G operators, and calculate the bandwidth prediction value based on historical data; The delay monitoring module is used to monitor the network delay of several 5G operators in real time and calculate the 5G operator with the best delay; The access optimization control module is used to dynamically adjust the access strategy of the terminal access module, select the optimal access path and adjust the bandwidth allocation ratio according to the bandwidth occupancy and network delay of the 5G operator.

2. According to claim 1, the method for efficiently accessing a 5G power virtual private network terminal supporting multiple operators is characterized in that: The terminal access module includes a concurrent connection manager, which can install several SIM cards to achieve simultaneous access of several 5G operators and SIM card switching; The expression of the SIM card switching is as follows: Active SIM=arg max Q i (S i ,U i , L i) Among them, Active SIM is to switch SIM card, Q i Score the signal quality of the i-th 5G operator, S i is the signal strength of the i-th 5G operator, U i is the bandwidth utilization of the i-th 5G operator, L i is the network delay of the i-th 5G operator.

3. The method for efficiently accessing a 5G power virtual private network terminal supporting multiple operators according to claim 1 is characterized in that: The 5G operator collaboration module is used to evaluate the signal strength and network status of the 5G operator and access the best 5G operator, which is specifically: Based on the signal strength and network status of 5G operators and historical signal data, a deep learning model is used to obtain the predicted access volume of several 5G operators; Determine the actual mission bandwidth required based on actual mission requirements, compare it with the predicted access volume of 5G operators, and determine the priority of several 5G operators; Based on the signal strength, bandwidth utilization and network latency of 5G operators, the signal quality scores of several 5G operators were obtained; Based on the priorities and signal quality scores of several 5G operators, you can obtain and access the best 5G operator.

4. The method for efficiently accessing a 5G power virtual private network terminal supporting multiple operators according to claim 3 is characterized in that: The calculation expression of the predicted access volume is as follows: in, is the predicted access volume of the i-th 5G operator, X is the feature vector, including the signal strength and network status of the 5G operator, as well as historical signal data, and W train is the weight matrix, b train is the bias term.

5. The method for efficiently accessing a 5G power virtual private network terminal supporting multiple operators according to claim 3 is characterized in that: The expression of the signal quality score of the 5G operator is as follows: Among them, Q i Score the signal quality of the i-th 5G operator, S i is the signal strength of the i-th 5G operator, S max is the maximum signal strength, U i is the bandwidth utilization of the i-th 5G operator, L i is the network delay of the i-th 5G operator, and α1, α2 and α3 are weight coefficients.

6. The method for efficiently accessing a 5G power virtual private network terminal supporting multiple operators according to claim 1 is characterized in that: The calculation expression of the remaining available bandwidth is as follows: B′ i =B i (1-U i ) Among them, B′ i is the remaining available bandwidth of the i-th 5G operator, B i is the current bandwidth measurement value of the i-th 5G operator, U i is the bandwidth occupancy rate of the i-th 5G operator; The calculation expression of the bandwidth prediction value is as follows: in, is the bandwidth prediction value, f is the time series prediction model, B i is the current bandwidth measurement value, and t is the time dimension.

7. The method for efficiently accessing a 5G power virtual private network terminal supporting multiple operators according to claim 1 is characterized in that: The delay monitoring module is used to monitor the network delay of several 5G operators in real time and calculate the 5G operator with the best delay. The calculation expression is as follows: Among them, i * is the index of the optimal 5G operator selected, L i is the network delay of the i-th 5G operator, Indicates the selection of network delay L i The smallest 5G operator serves as the final access point.

8. The method for efficiently accessing a 5G power virtual private network terminal supporting multiple operators according to claim 1 is characterized in that: The access optimization control module is used to dynamically adjust the access strategy of the terminal access module according to the bandwidth occupancy and network delay of the 5G operator, select the optimal access path and adjust the bandwidth allocation ratio, which specifically includes: According to the bandwidth occupancy and network delay of the 5G operator, the terminal access module is controlled to switch to the 5G operator with the most abundant bandwidth occupancy and the lowest network delay; Several terminal access modules are connected to the same 5G operator, and short-range communication technology is used to share bandwidth and network status data among the several terminal access modules. The bandwidth allocation ratio of each terminal access module is adjusted according to the overall network status through real-time communication between neighboring terminals.

9. The method for efficiently accessing a 5G power virtual private network terminal supporting multiple operators according to claim 1 is characterized in that: The specific calculation expression for adjusting the bandwidth allocation ratio of each terminal access module is as follows: in, is the bandwidth allocation ratio of the kth terminal, T k is the task bandwidth requirement of the kth terminal, B′ is the remaining available bandwidth of the 5G operator, T j is the task bandwidth requirement of the jth terminal.

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