CN104754609A - Network optimization method and system based on TD-LTE (Time Division-Long Term Evolution) and WLAN (Wireless Local Area Network) - Google Patents
Network optimization method and system based on TD-LTE (Time Division-Long Term Evolution) and WLAN (Wireless Local Area Network) Download PDFInfo
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Abstract
The embodiment of the invention discloses a network optimization method based on TD-LTE (Time Division-Long Term Evolution) and a WLAN (Wireless Local Area Network). The method comprises the following steps: acquiring the network parameters of the TD-LTE and the WLAN, analyzing the network parameters to obtain an analysis result, comparing the analysis result with a preset value, and judging whether or not network optimization is required; and when the network optimization is required, selecting an optimization scheme according to the analysis result, and executing the selected optimization scheme. The embodiment of the invention discloses a network optimization system based on the TD-LTE and the WLAN.
Description
Technical Field
The invention relates to a Wireless network optimization technology, in particular to a network optimization method and system based on Time Division-Long Term Evolution (TD-LTE) and a Wireless Local Area Network (WLAN).
Background
Currently, with the continuous development of wireless communication technology, TD-LTE and WLAN cooperative communication is widely used, wherein many new problems are gradually emerging, such as: network coverage problems, network capacity problems, and mutual interference problems between TD-LTE and WLAN systems, which may cause performance degradation of the TD-LTE and WLAN cooperative communication system, such that channel quality is deteriorated, information errors or losses occur, and even communication is blocked.
Disclosure of Invention
In order to solve the problems in the prior art, embodiments of the present invention provide a network optimization method and system based on TD-LTE and WLAN, which can implement closed-loop control on a TD-LTE and WLAN cooperative communication network, complete optimization of the TD-LTE and WLAN cooperative communication network, and ensure communication quality of a user.
The technical scheme of the embodiment of the invention is realized as follows:
the embodiment of the invention provides a network optimization method based on TD-LTE and WLAN, which comprises the following steps:
collecting network parameters of TD-LTE and WLAN;
analyzing the network parameters to obtain an analysis result, comparing the analysis result with a preset value, judging whether network optimization is needed, and selecting an optimization scheme according to the analysis result when the network optimization is determined to be needed;
the selected optimization scheme is executed.
In the above solution, the network parameter includes one or a combination of the following parameters: signal strength, signal-to-noise ratio, network delay, packet loss rate, device transmission power and user number.
In the above scheme, the analysis result includes one or a combination of the following parameters: interference time, interference strength, network coverage, network congestion rate, and user density.
In the above scheme, the optimization scheme includes one or a combination of the following schemes: the method comprises the steps of automatically starting a standby wireless access node (AP) by adopting a frequency modulation technology, a concentric circle technology and power control, selecting to start a repeater and changing the connection relation and the topological structure of the repeater, and selecting the optimal site by adjusting the angle, the gain, the azimuth angle, the pitch angle and the power of an antenna.
The embodiment of the invention also provides a network optimization system based on TD-LTE and WLAN, which comprises: the system comprises a network data acquisition module, a network monitoring center module and a network optimization implementation module; wherein,
the network data acquisition module is used for acquiring network parameters of the TD-LTE and the WLAN and sending the network parameters to the network monitoring center module;
the network monitoring center module is used for analyzing the received network parameters to obtain an analysis result, comparing the analysis result with a preset value, judging whether network optimization is needed, selecting an optimization scheme according to the analysis result when the network optimization is determined to be needed, and sending the selected optimization scheme to the network optimization implementation module;
and the network optimization implementation module is used for receiving and executing the selected optimization scheme.
The network optimization method and system based on the TD-LTE and the WLAN, provided by the embodiment of the invention, are used for collecting network parameters of the TD-LTE and the WLAN, analyzing and comparing the network parameters with a preset value, judging whether network optimization is needed, selecting an optimization scheme according to an analysis result when the network optimization is needed, and optimizing the TD-LTE and WLAN cooperative communication network according to the selected optimization scheme, so that closed-loop control can be carried out on the TD-LTE and WLAN cooperative communication network in real time, the optimization of the TD-LTE and WLAN cooperative communication network is completed, and the communication quality of a user is ensured.
Drawings
Fig. 1 is a schematic flow chart of a network optimization method based on TD-LTE and WLAN according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a network optimization system based on TD-LTE and WLAN according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a distribution structure of network signals in a cooperative communication system of TD-LTE and WLAN according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an optimized network signal distribution structure in a cooperative communication system of TD-LTE and WLAN according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an optimized network signal distribution structure in a cooperative communication system of TD-LTE and WLAN according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an optimized network signal distribution structure in a cooperative communication system of three TD-LTE and WLAN according to an embodiment of the present invention.
Detailed Description
Aiming at the problems in the prior art, a wireless network system based on TD-LTE is proposed at present, which ensures the coverage rate of a TD-LTE network in a coverage area by traversing the drive tests of each area and analyzing and calculating the acquired drive test data, but the system cannot solve the network optimization problem in a TD-LTE and WLAN cooperative communication network.
In addition, a WLAN network test optimization system is also proposed, which performs network optimization through network test, network problem location and reason analysis, so as to more efficiently monitor and evaluate the quality of a wireless network and give a total analysis result, but the system cannot solve the network optimization problem in the TD-LTE and WLAN cooperative communication network.
Furthermore, a wireless network optimization computer analysis system and an analysis method are provided, all collected data are imported for analysis and processing, and then a solution is exported.
Based on this, in the embodiment of the invention, the network parameters of the TD-LTE and the WLAN are collected, the network parameters and the preset value are analyzed and compared, whether network optimization is needed or not is judged, and when the network optimization is needed, the TD-LTE and WLAN cooperative communication network is optimized according to the preset optimization scheme.
Fig. 1 shows a method for network optimization based on TD-LTE and WLAN according to an embodiment of the present invention, and as shown in fig. 1, the method includes the following steps:
step 101: collecting network parameters of TD-LTE and WLAN;
here, the network parameter acquisition can be completed by a network data acquisition module and sent to a network monitoring center module for analysis; wherein, the network data acquisition module may include one or a combination of the following devices: fixed tester, hand-held type tester.
Specifically, the network data acquisition module respectively acquires network parameters of the TD-LTE and the WLAN; wherein the service parameters include one or a combination of the following parameters: signal strength, signal-to-noise ratio, network delay, packet loss rate, equipment transmitting power and user number; and then, sending the service parameters to a network monitoring center module.
Step 102: analyzing the network parameters to obtain an analysis result, comparing the analysis result with a preset value, judging whether network optimization is needed, and selecting an optimization scheme according to the analysis result when the network optimization is determined to be needed;
in the step, receiving network parameters, analyzing the received network parameters according to corresponding algorithms, comparing analysis results and selecting an optimization scheme are all completed by a network monitoring center module; the selected optimization scheme is sent to a network optimization implementation module by the network monitoring center module and is used for subsequently executing the optimization scheme;
wherein, the selected optimization scheme can be backed up in a network monitoring center module;
here, the network monitoring center module may be, but is not limited to: a network monitoring center server; the analysis result comprises one or a combination of the following parameters: interference time, interference strength, network coverage, network congestion rate, and user density; the preset value comprises one or the combination of the following parameters: interference time, interference strength, network coverage, network congestion rate, and user density.
Specifically, the network monitoring center module receives the network parameters, and compares the interference time, the interference intensity, the network coverage rate, the network congestion rate, the user density and the like in the analysis result with the corresponding interference time, the interference intensity, the network coverage rate, the network congestion rate, the user density and the like in the preset values respectively to determine whether network optimization is needed; for example, according to the actual user requirement, the preset value is interference time, when the interference time in the analysis result is greater than the interference time in the preset value, it is determined that network optimization is needed, otherwise, network optimization is not performed; and when the preset values are the interference time and the interference intensity, determining that network optimization is needed when the interference time in the analysis result is greater than the interference time in the preset value or the interference intensity is greater than the interference intensity in the preset value, otherwise, not performing the network optimization.
Further, when the determination result is that network optimization is required, the network monitoring center module selects a suitable optimization scheme from the existing optimization schemes according to the interference time, the interference intensity, the network coverage rate, the network congestion rate, the user density and the like in the analysis result, and then sends the selected optimization scheme to the network optimization implementation module to execute the optimization scheme.
Here, the existing various optimization schemes include one or a combination of the following schemes: the method comprises the steps of automatically starting a standby wireless Access Point (AP) by adopting a frequency modulation technology, a concentric circle technology and power control, selecting to start a repeater and changing the connection relation and the topological structure of the repeater, and selecting an optimal station address by adjusting the angle, the gain, the azimuth angle, the pitch angle and the power of an antenna; for example, frequency modulation technology, concentric circle technology and power control are adopted to reduce interference and increase network capacity to reduce network congestion; and the optimal station address is selected by adjusting the angle, gain, azimuth angle, pitch angle and power of the antenna, so that network coverage is enlarged and interference is avoided.
Step 103: the selected optimization scheme is executed.
Here, the executing the selected optimization scheme is performed by a network optimization implementing module; wherein, the network optimization implementation module can be, but is not limited to: implementing the system; the implementation system is used for adjusting the network according to the selected optimization scheme and belongs to the existing equipment; and the implementation system comprises one or a combination of the following devices: the parameter configuration system of the adjacent cell adjusts network parameters through the parameter configuration system of the adjacent cell; the antenna angle electric regulation system can regulate the angle, gain, azimuth angle, pitch angle and power of the antenna.
Specifically, the network optimization implementation module receives the selected optimization scheme, and then executes the optimization scheme on the TD-LTE and WLAN cooperative communication network.
In the scheme, the problems occurring in the TD-LTE and WLAN cooperative communication network are analyzed and judged, and the optimization scheme selected according to the analysis result is implemented in time, so that automatic and intelligent network optimization control can be realized.
Fig. 2 is a schematic structural diagram of a network optimization system based on TD-LTE and WLAN according to an embodiment of the present invention, and as shown in fig. 2, the network optimization system based on TD-LTE and WLAN is applied to a TD-LTE and WLAN cooperative communication network; the system comprises: a network data acquisition module 21, a network monitoring center module 22 and a network optimization implementation module 23; wherein,
the network data acquisition module 21 is configured to acquire network parameters of the TD-LTE and the WLAN, and send the network parameters to the network monitoring center module 22;
the network data acquisition module 21 may include one or a combination of the following devices: a fixed tester, a hand-held tester; the network parameters include one or a combination of the following parameters: signal strength, signal-to-noise ratio, network delay, packet loss rate, device transmission power and user number.
The network monitoring center module 22 is configured to analyze the received network parameters according to a corresponding algorithm to obtain an analysis result, compare the analysis result with a preset value, determine whether network optimization is required, select an optimization scheme according to the analysis result when it is determined that network optimization is required, and send the selected optimization scheme to the network optimization implementing module 23;
the network monitoring center module 22 may be, but is not limited to: a network monitoring center server; the analysis result comprises one or a combination of the following parameters: interference time, interference strength, network coverage, network congestion rate, and user density; the preset value comprises one or the combination of the following parameters: interference time, interference strength, network coverage, network congestion rate, and user density.
Specifically, the network monitoring center module 22 receives the network parameters, compares the interference time, the interference intensity, the network coverage rate, the network congestion rate, the user density and the like in the analysis result with the interference time, the interference intensity, the network coverage rate, the network congestion rate, the user density and the like in the preset values, and determines whether network optimization is needed; for example, according to the actual user requirement, the preset value is interference time, when the interference time in the analysis result is greater than the interference time in the preset value, it is determined that network optimization is required, otherwise, network optimization is not performed; and when the preset values are the interference time and the interference intensity, determining that network optimization is needed when the interference time in the analysis result is greater than the interference time in the preset value or the interference intensity is greater than the interference intensity in the preset value, otherwise, not performing the network optimization.
When the determination result is that network optimization is required, the network monitoring center module 22 is further configured to select and backup a corresponding optimization scheme according to the interference time, the interference intensity, the network coverage rate, the network congestion rate, the user density, and the like in the analysis result, and then send the optimization scheme to the network optimization implementing module 23 to execute the optimization scheme.
The optimization scheme comprises one or a combination of the following schemes: the method comprises the steps of automatically starting a standby AP (access point) by adopting a frequency modulation technology, a concentric circle technology and power control, selecting to start a repeater and changing the connection relation and the topological structure of the repeater, and selecting an optimal station address by adjusting the angle, gain, azimuth angle, pitch angle and power of an antenna; for example, interference is reduced by frequency modulation techniques, concentric circle techniques, power control; increasing network capacity to alleviate network congestion; the optimal station address is selected by adjusting the angle, gain, azimuth angle, pitch angle and power of the antenna, so that network coverage is enlarged and interference is avoided.
A network optimization implementation module 23, configured to receive and execute the selected optimization scheme;
specifically, the selected optimization scheme is executed for the TD-LTE and WLAN cooperative communication network.
The network optimization implementing module 23 may be, but is not limited to: implementing the system; the implementation system is used for adjusting the network according to the selected optimization scheme and belongs to the existing equipment; and the implementation system comprises one or a combination of the following devices: the parameter configuration system of the adjacent cell adjusts network parameters through the parameter configuration system of the adjacent cell; the antenna angle electric regulation system can regulate the angle, gain, azimuth angle, pitch angle and power of the antenna.
In the structure, the problems occurring in the TD-LTE and WLAN cooperative communication network are analyzed and judged, and the optimization scheme selected according to the analysis result is implemented in time, so that automatic and intelligent network optimization control can be realized.
Fig. 3 is a schematic diagram illustrating a distribution structure of network signals in the TD-LTE and WLAN cooperative communication system according to the embodiment of the present invention, and as shown in fig. 3, when the TD-LTE and WLAN cooperative communication network is normal, the controller 1 and the controller 3 are turned on, so that the wireless access node 1 (AP 1) and the wireless access node 3 (AP 3) operate to respectively cover the area 1 and the area 2 in fig. 3.
The network optimization method based on the TD-LTE and the WLAN is illustrated by the first embodiment, the second embodiment and the third embodiment respectively; the network data acquisition module described in the first embodiment, the second embodiment and the third embodiment includes one or a combination of the following devices: a fixed tester and a hand-held tester; the network monitoring center module can be, but is not limited to, a network monitoring center server; the network optimization implementation module can be, but is not limited to, an implementation system; the implementation system is used for adjusting the network according to the selected optimization scheme and belongs to the existing equipment; and the implementation system comprises one or a combination of the following devices: the parameter configuration system of the adjacent cell adjusts network parameters through the parameter configuration system of the adjacent cell; the antenna angle electric regulation system can regulate the angle, gain, azimuth angle, pitch angle and power of the antenna;
in addition, the following first, second and third embodiments of the present invention are described in detail with respect to the optimization scheme for automatically adjusting the antenna, but the present invention is not limited thereto.
Example one
When the signal sent by the AP1 is interfered, the network data module sends the acquired network parameters of the TD-LTE and the WLAN to the network monitoring center module; the network monitoring center module analyzes the received network parameters of the TD-LTE and the WLAN to obtain an analysis result, compares the interference time or the interference intensity in the analysis result with the interference time or the interference intensity in a preset value to judge whether network optimization is needed or not, and selects an optimization scheme according to the analysis result when the network optimization is determined to be needed; the network optimization implementation module receives and executes the selected optimization scheme, so that the controller 1 turns off and turns on the controller 2, and further, the wireless access node 2 (AP 2) starts to work. Compared with fig. 3, the signal distribution at this time is shown in fig. 4, fig. 4 is a schematic diagram of an optimized signal distribution structure in a TD-LTE and WLAN cooperative communication system according to an embodiment of the present invention, as shown in fig. 4, the network signal in area 1 is mainly generated by AP 2; therefore, the TD-LTE and WLAN cooperative communication network can carry out network optimization in real time to form closed-loop control, and a user can use the TD-LTE and WLAN cooperative communication network conveniently.
Example two
When the number of users in the area 1 in fig. 3 increases, in order to adapt to the change of the number and the location of the users, the network data module sends the acquired network parameters of TD-LTE and WLAN to the network monitoring center module; the network monitoring center module analyzes the acquired network parameters of the TD-LTE and the WLAN to obtain an analysis result, compares the user density in the analysis result with the user density in a preset value to judge whether network optimization is needed or not, and selects an optimization scheme according to the analysis result when the network optimization is determined to be needed; and the network optimization implementation module receives and executes the selected optimization scheme, and starts the controller 2 to enable the AP2 to work so as to relieve the problem of network congestion rate in the TD-LTE and WLAN cooperative communication network.
Compared with fig. 3, fig. 5 is a schematic diagram of an optimized signal distribution structure in the TD-LTE and WLAN cooperative communication system according to the embodiment of the present invention, and as shown in fig. 5, the network signal in the area 1 is mainly generated by normal operations of the AP1 and the AP2, so that the signal distribution in the area 1 is stronger, the requirement of increasing the number of users can be further satisfied, and the user can be ensured to normally use the TD-LTE and WLAN cooperative communication network.
EXAMPLE III
When the number of users in the area 2 is increased, in order to adapt to the change of the number and the position of the users, the network data module sends the acquired network parameters of the TD-LTE and the WLAN to the network monitoring center module; the network monitoring center module analyzes the acquired network parameters of the TD-LTE and the WLAN to obtain an analysis result, compares the user density in the analysis result with the user density in a preset value to judge whether network optimization is needed or not, and selects an optimization scheme according to the analysis result when the network optimization is determined to be needed; the network optimization implementation module receives and executes the selected optimization scheme, and starts the controller 4 to enable the AP4 to work, so as to alleviate the problem of network congestion rate in the TD-LTE and WLAN cooperative communication network.
Compared with fig. 3, fig. 6 is a schematic diagram of an optimized signal distribution structure in the three TD-LTE and WLAN cooperative communication system according to the embodiment of the present invention, as shown in fig. 6, in area 2 of fig. 6, because AP3 and AP4 work normally at the same time, signal distribution in area 2 is stronger, which can further meet the requirement of increasing the number of users, and ensure that the users can use the TD-LTE and WLAN cooperative communication network normally.
The first embodiment, the second embodiment and the third embodiment provided by the present invention are based on the automatic antenna adjustment as the optimization scheme, but the present invention is not limited thereto, and the optimization scheme of the present invention may also be based on the frequency modulation technique, the concentric circle technique, the power control, the automatic standby AP start, the selection of the repeater start and the change of the connection relationship and the topology of the repeater, and the selection of the best station address or the combination thereof by adjusting the angle, the gain, the azimuth angle, the pitch angle and the power of the antenna.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. that are within the spirit and principle of the present invention should be included in the present invention.
Claims (8)
1. A network optimization method based on TD-LTE and WLAN is characterized by comprising the following steps:
collecting network parameters of TD-LTE and WLAN;
analyzing the network parameters to obtain an analysis result, comparing the analysis result with a preset value, judging whether network optimization is needed, and selecting an optimization scheme according to the analysis result when the network optimization is determined to be needed;
the selected optimization scheme is executed.
2. The method of claim 1, wherein the network parameters comprise one or a combination of the following parameters: signal strength, signal-to-noise ratio, network delay, packet loss rate, device transmission power and user number.
3. The method for network optimization based on TD-LTE and WLAN according to claim 1, wherein the analysis result comprises one or a combination of the following parameters: interference time, interference strength, network coverage, network congestion rate, and user density.
4. The TD-LTE and WLAN based network optimization method according to claim 1, wherein the optimization scheme comprises one or a combination of the following schemes: the method comprises the steps of automatically starting a standby wireless access node (AP) by adopting a frequency modulation technology, a concentric circle technology and power control, selecting to start a repeater and changing the connection relation and the topological structure of the repeater, and selecting the optimal site by adjusting the angle, the gain, the azimuth angle, the pitch angle and the power of an antenna.
5. A network optimization system based on TD-LTE and WLAN, the system comprising: the system comprises a network data acquisition module, a network monitoring center module and a network optimization implementation module; wherein,
the network data acquisition module is used for acquiring network parameters of the TD-LTE and the WLAN and sending the network parameters to the network monitoring center module;
the network monitoring center module is used for analyzing the received network parameters to obtain an analysis result, comparing the analysis result with a preset value, judging whether network optimization is needed, selecting an optimization scheme according to the analysis result when the network optimization is determined to be needed, and sending the selected optimization scheme to the network optimization implementation module;
and the network optimization implementation module is used for receiving and executing the selected optimization scheme.
6. The TD-LTE and WLAN based network optimization system according to claim 5, wherein the network parameters comprise one or a combination of the following parameters: signal strength, signal-to-noise ratio, network delay, packet loss rate, device transmission power and user number.
7. The TD-LTE and WLAN based network optimization system according to claim 5, wherein the analysis result comprises one or a combination of the following parameters: interference time, interference strength, network coverage, network congestion rate, and user density.
8. The TD-LTE and WLAN based network optimization system according to claim 5, wherein the optimization scheme comprises one or a combination of the following schemes: the method comprises the steps of automatically starting a standby AP by adopting a frequency modulation technology, a concentric circle technology and power control, selecting to start a repeater, changing the connection relation and the topological structure of the repeater, and adjusting the angle, gain, azimuth angle, pitch angle and power of an antenna to select the optimal station address.
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| CN116800588A (en) * | 2023-08-28 | 2023-09-22 | 深圳市华曦达科技股份有限公司 | Network optimization method and device for network communication product |
| CN116800588B (en) * | 2023-08-28 | 2023-12-22 | 深圳市华曦达科技股份有限公司 | Network optimization method and device for network communication product |
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