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 present invention relates to radio network optimization technology, particularly relate to a kind of based on time-division Long Term Evolution (TD-LTE, Time Division-Long Term Evolution) with the network optimized approach of WLAN (wireless local area network) (WLAN, Wireless Local AreaNetworks) and system.
Background technology
At present, along with the development of wireless communication technology, TD-LTE and WLAN communication for coordination obtains and uses widely, wherein, many new problems manifest gradually, as: network coverage problem, network capacity issues and mutual interference problem etc. between TD-LTE and wlan system, these problems will cause the decline of TD-LTE and WLAN Turbo Detection for Cooperative Communication performance, make channel quality degrades, information error or loss, even the carrying out of blocking communication.
Summary of the invention
For solving problems of the prior art, embodiments provide a kind of network optimized approach based on TD-LTE and WLAN and system, the closed-loop control to TD-LTE and WLAN cooperative communication network can be realized, complete the optimization of TD-LTE and WLAN cooperative communication network, ensure the communication quality of user.
The technical scheme of the embodiment of the present invention is achieved in that
Embodiments provide a kind of network optimized approach based on TD-LTE and WLAN, described method comprises:
Gather the network parameter of TD-LTE and WLAN;
Described network parameter is analyzed, obtains analysis result, and described analysis result and preset value are compared, judge whether to need the network optimization, when determining to need to carry out the network optimization, select prioritization scheme according to described analysis result;
Prioritization scheme selected by execution.
In such scheme, described network parameter comprises one of following parameter or its combination: signal strength signal intensity, signal to noise ratio, network delay, packet loss, transmitting power of equipment and number of users.
In such scheme, described analysis result comprises one of following parameter or its combination: interference time, interference strength, the network coverage, network congestion rate and user density.
In such scheme, described prioritization scheme comprises one of following scheme or its combination: adopt frequency modulation technology, adopt concentric cell technology, employing power controls, automatic unlatching wireless access node for subsequent use (AP), select open repeater and change annexation and the topological structure of repeater, by adjusting the angle of antenna, gain, azimuth, the angle of pitch, watt level select Optimal location of building centre.
The embodiment of the present invention additionally provides a kind of network optimization system based on TD-LTE and WLAN, and described system comprises: module is implemented in network data acquisition module, network monitor center module and the network optimization; Wherein,
Described network data acquisition module, for gathering the network parameter of TD-LTE and WLAN, and is sent to network monitor center module by described network parameter;
Described network monitor center module, for analyzing the network parameter received, obtain analysis result, and described analysis result and preset value are compared, judge whether to need the network optimization, when determining to need to carry out the network optimization, select prioritization scheme according to described analysis result, and selected prioritization scheme is sent to described network optimization enforcement module;
Module is implemented in the described network optimization, for receiving and prioritization scheme selected by performing.
The network optimized approach based on TD-LTE and WLAN that the embodiment of the present invention provides and system, gather the network parameter of TD-LTE and WLAN, network parameter described in com-parison and analysis and preset value, judge whether to need the network optimization, when needs carry out the network optimization, prioritization scheme is selected according to analysis result, and according to the prioritization scheme selected, TD-LTE and WLAN cooperative communication network is optimized, so, closed-loop control can be carried out in real time to TD-LTE and WLAN cooperative communication network, complete the optimization of TD-LTE and WLAN cooperative communication network, thus ensure the communication quality of user.
Accompanying drawing explanation
Fig. 1 is the network optimized approach schematic flow sheet of the embodiment of the present invention based on TD-LTE and WLAN;
Fig. 2 is the network optimization system structural representation of the embodiment of the present invention based on TD-LTE and WLAN;
Fig. 3 is the distributed architecture schematic diagram of network signal in the Turbo Detection for Cooperative Communication of embodiment of the present invention TD-LTE and WLAN;
Fig. 4 is the network signal distributed architecture schematic diagram after optimizing in the Turbo Detection for Cooperative Communication of the embodiment of the present invention one TD-LTE and WLAN;
Fig. 5 is the network signal distributed architecture schematic diagram after optimizing in the Turbo Detection for Cooperative Communication of the embodiment of the present invention two TD-LTE and WLAN;
Fig. 6 is the network signal distributed architecture schematic diagram after optimizing in the Turbo Detection for Cooperative Communication of the embodiment of the present invention three TD-LTE and WLAN.
Embodiment
For prior art Problems existing, current proposition has a kind of Radio Network System based on TD-LTE, adopt the drive test of traversal regional, and by drive test data that analytical calculation collects, guarantee the coverage rate of TD-LTE network in overlay area, but this system can not solve the network optimization problem in TD-LTE and WLAN cooperative communication network.
In addition, also propose there is a kind of wlan network test optimization system, the network optimization is carried out by network test, network problem location and the analysis of causes, thus more efficiently can monitor, assess quality of wireless network, and provide aggregate analysis result, but this system can not solve the network optimization problem in TD-LTE and WLAN cooperative communication network.
Have again, also propose have a kind of wireless network optimization computer analyzing system and analytical method, the data collected all are imported and carries out analyzing and processing, and then derivation solution, the method can realize the analysis to overall performance of network, but, closed-loop control can not be carried out to TD-LTE and WLAN cooperative communication network, intelligently can not realize the optimization of TD-LTE and WLAN cooperative communication network.
Based on this, in embodiments of the present invention, the network parameter of TD-LTE and WLAN is gathered, network parameter described in com-parison and analysis and preset value, judge whether to need the network optimization, when needs carry out the network optimization, the prioritization scheme according to presetting is optimized TD-LTE and WLAN cooperative communication network.
Figure 1 shows that the method for the embodiment of the present invention based on the network optimization of TD-LTE and WLAN, as shown in Figure 1, the method comprises the following steps:
Step 101: the network parameter gathering TD-LTE and WLAN;
Here, described collection network parameter can be completed by network data acquisition module, and is sent to network monitor center module and analyzes; Wherein, described network data acquisition module can comprise one of following equipment or its combination: fixing test instrument, manual testing device.
Concrete, described network data acquisition module gathers the network parameter of TD-LTE and WLAN respectively; Wherein, described service parameter comprises one of following parameter or its combination: signal strength signal intensity, signal to noise ratio, network delay, packet loss, transmitting power of equipment and number of users; Afterwards, described service parameter is sent to network monitor center module.
Step 102: described network parameter is analyzed, obtains analysis result, and described analysis result and preset value are compared, judge whether to need to carry out the network optimization, when determining to need to carry out the network optimization, select prioritization scheme according to described analysis result;
In this step, receive network parameter, according to correspondingly algorithm, received network parameter analyzed, comparative analysis result and select prioritization scheme to complete by network monitor center module; The prioritization scheme selected will send to the network optimization to implement module, for follow-up execution prioritization scheme by network monitor center module;
Wherein, selected prioritization scheme also can back up in network monitor center module;
Here, described network monitor center module can be but be not limited to: network monitor central server; Described analysis result comprises one of following parameter or its combination: interference time, interference strength, the network coverage, network congestion rate and user density; Described preset value comprises one of following parameter or its combination: interference time, interference strength, the network coverage, network congestion rate and user density.
Concrete, described network monitor center module receives described network parameter, interference time corresponding with described preset value respectively to interference time in described analysis result, interference strength, the network coverage, network congestion rate and user density etc., interference strength, the network coverage, network congestion rate and user density etc. compare by described network monitor center module, judge whether to need the network optimization; Such as, according to the demand of user in reality, preset value is interference time, when being greater than interference time in preset value, determines to need to carry out the network optimization interference time in analysis result, otherwise, do not carry out the network optimization; When preset value be interference time and interference strength time, be greater than interference time in preset value when the interference time in analysis result, or when interference strength is greater than the interference strength in preset value, determine to need to carry out the network optimization, otherwise, do not carry out the network optimization.
Further, when determination result carries out the network optimization for needs, described network monitor center module selects suitable prioritization scheme according to the interference time in analysis result, interference strength, the network coverage, network congestion rate and user density etc. from existing various prioritization scheme, then, then by selected prioritization scheme send to the described network optimization to implement module and perform described prioritization scheme.
Here, described existing various prioritization scheme comprises one of following scheme or its combination: adopt frequency modulation technology, adopt concentric cell technology, employing power controls, automatic unlatching radio access point for subsequent use (AP), select open repeater and change annexation and the topological structure of repeater, by adjusting the angle of antenna, gain, azimuth, the angle of pitch, watt level select Optimal location of building centre; Such as, controlling by adopting frequency modulation technology, concentric cell technology, power to reduce interference, increasing network capacity to alleviate network congestion phenomenon; Adopt the angle of adjustment antenna, gain, azimuth, the angle of pitch, watt level to select Optimal location of building centre, and then expand the network coverage and evade interference.
Step 103: the prioritization scheme selected by execution.
Here, the prioritization scheme selected by described execution is implemented module by the network optimization and is completed; Wherein, described network optimization enforcement module can be but be not limited to: implementation system; Described implementation system is used for adjusting network according to selected prioritization scheme, belongs to existing equipment; And described implementation system comprises one of following equipment or its combination: the parameter configuring system of neighbor cell, is adjusted network parameter by the parameter configuring system of described neighbor cell; The electric operation dispatching system of aerial angle, can be adjusted the angle of antenna, gain, azimuth, the angle of pitch, watt level by the electric operation dispatching system of aerial angle.
Concrete, the described network optimization is implemented module and is received the prioritization scheme selected, and performs described prioritization scheme afterwards to TD-LTE and WLAN cooperative communication network.
In such scheme, by analyzing produced problem in TD-LTE and WLAN cooperative communication network and judge, implement the prioritization scheme selected according to analysis result in time, automation can be realized, the intelligentized network optimization controls.
Figure 2 shows that the network optimization system structural representation of the embodiment of the present invention based on TD-LTE and WLAN, as shown in Figure 2, based on the network optimization system of TD-LTE and WLAN, be applied in TD-LTE and WLAN cooperative communication network; Described system comprises: module 23 is implemented in network data acquisition module 21, network monitor center module 22 and the network optimization; Wherein,
Described network data acquisition module 21, for gathering the network parameter of TD-LTE and WLAN, and is sent to network monitor center module 22 by described network parameter;
Wherein, network data acquisition module 21 can comprise one of following equipment or its combination: fixing test instrument, manual testing device; Described network parameter comprises one of following parameter or its combination: signal strength signal intensity, signal to noise ratio, network delay, packet loss, transmitting power of equipment and number of users.
Described network monitor center module 22, for analyzing according to correspondingly algorithm the network parameter received, obtain analysis result, and described analysis result and preset value are compared, judge whether to need the network optimization, when determining to need to carry out the network optimization, select prioritization scheme according to described analysis result, and the prioritization scheme of selection is sent described network optimization enforcement module 23;
Wherein, described network monitor center module 22 can be but be not limited to: network monitor central server; Described analysis result comprises one of following parameter or its combination: interference time, interference strength, the network coverage, network congestion rate and user density; Described preset value comprises one of following parameter or its combination: interference time, interference strength, the network coverage, network congestion rate and user density.
Concrete, network monitor center module 22 receives described network parameter, corresponding to interference time in described analysis result, interference strength, the network coverage, network congestion rate and user density etc. is compared with the interference time in described preset value, interference strength, the network coverage, network congestion rate and user density etc., judges whether to need the network optimization; Such as, according to the demand of user in reality, preset value is interference time, when being greater than interference time in preset value, judges to need to carry out the network optimization interference time in analysis result, otherwise, do not carry out the network optimization; When preset value be interference time and interference strength time, be greater than interference time in preset value when the interference time in analysis result, or when interference strength is greater than the interference strength in preset value, determine to need to carry out the network optimization, otherwise, do not carry out the network optimization.
When determination result carries out the network optimization for needs, network monitor center module 22 is also for selecting correspondingly prioritization scheme backing up according to the interference time in analysis result, interference strength, the network coverage, network congestion rate and user density etc., and then send to the network optimization to implement module 23 described prioritization scheme, perform described prioritization scheme.
Described prioritization scheme comprises one of following scheme or its combination: adopt frequency modulation technology, adopt concentric cell technology, employing power controls, automatic unlatching AP for subsequent use, select open repeater and change annexation and the topological structure of repeater, by adjusting the angle of antenna, gain, azimuth, the angle of pitch, watt level select Optimal location of building centre; Such as, control to reduce interference by frequency modulation technology, concentric cell technology, power; Increase network capacity to alleviate network congestion phenomenon; By adjusting the angle of antenna, gain, azimuth, the angle of pitch, watt level select Optimal location of building centre, and then expand the network coverage and evade interference.
Module 23 is implemented in the network optimization, for receiving and prioritization scheme selected by performing;
Concrete, be exactly to the prioritization scheme selected by the execution of TD-LTE and WLAN cooperative communication network.
Wherein, network optimization enforcement module 23 can be but be not limited to: implementation system; Described implementation system is used for adjusting network according to selected prioritization scheme, belongs to existing equipment; And described implementation system comprises one of following equipment or its combination: the parameter configuring system of neighbor cell, is adjusted network parameter by the parameter configuring system of described neighbor cell; The electric operation dispatching system of aerial angle, can be adjusted the angle of antenna, gain, azimuth, the angle of pitch, watt level by the electric operation dispatching system of aerial angle.
In said structure, by analyzing produced problem in TD-LTE and WLAN cooperative communication network and judge, implement the prioritization scheme selected according to analysis result in time, automation can be realized, the intelligentized network optimization controls.
Figure 3 shows that the distributed architecture schematic diagram of network signal in embodiment of the present invention TD-LTE and WLAN Turbo Detection for Cooperative Communication, as shown in Figure 3, when TD-LTE and WLAN cooperative communication network is normal, controller 1 and control 3 are opened, make wireless access node 1(AP1) and wireless access node 3(AP3) work, with region 1 and region 2 in difference coverage diagram 3.
The network optimized approach that the present invention is based on TD-LTE and WLAN is illustrated below respectively by embodiment one, embodiment two and enforcement three; Wherein, embodiment one, embodiment two and the network data acquisition module of enforcement described in three comprise one of following equipment or its combination: fixing test instrument and manual testing device; Described network monitor center module can be but be not limited to network monitor central server; The described network optimization is implemented module and can is but be not limited to implementation system; Described implementation system is used for adjusting network according to selected prioritization scheme, belongs to existing equipment; And described implementation system comprises one of following equipment or its combination: the parameter configuring system of neighbor cell, is adjusted network parameter by the parameter configuring system of described neighbor cell; The electric operation dispatching system of aerial angle, can be adjusted the angle of antenna, gain, azimuth, the angle of pitch, watt level by the electric operation dispatching system of aerial angle;
Further, the following embodiment of the present invention one, embodiment two and enforcement three are that the prioritization scheme automatically adjusting antenna elaborates, but the present invention is not limited thereto.
Embodiment one
When the signal that AP1 sends is interfered, the network parameter of TD-LTE and the WLAN collected is sent to described network monitor center module by described network data model; The network parameter of TD-LTE and the WLAN received is analyzed by described network monitor center module, obtain analysis result, interference time in interference time in described analysis result or interference strength and preset value or interference strength are compared, judge whether to need the network optimization, when determining to need to carry out the network optimization, then select prioritization scheme according to described analysis result; The described network optimization is implemented module and is received and prioritization scheme selected by performing, controller 1 cuts out and opens controller 2, and then making wireless access node 2(AP2) start working.Compared with Fig. 3, as shown in Figure 4, Fig. 4 is the signal distributions structural representation after optimizing in the embodiment of the present invention one TD-LTE and WLAN Turbo Detection for Cooperative Communication to signal distributions now, and as shown in Figure 4, the network signal in region 1 produces primarily of AP2; Like this, make TD-LTE and WLAN cooperative communication network can carry out the network optimization in real time, form closed-loop control, be user-friendly to TD-LTE and WLAN cooperative communication network.
Embodiment two
When the increasing number of user in zone 1 in Fig. 3, in order to adapt to the change of number of users and position, the network parameter of TD-LTE and the WLAN collected is sent to described network monitor center module by described network data model; The network parameter of TD-LTE and the WLAN collected is analyzed by described network monitor center module, obtain analysis result, user density in described analysis result and the user density in preset value are compared, judge whether to need the network optimization, when determining to need to carry out the network optimization, select prioritization scheme according to described analysis result; The described network optimization is implemented module and is received and prioritization scheme selected by performing, and opening controller 2, makes AP2 work, to alleviate the problem of the network congestion rate in TD-LTE and WLAN cooperative communication network.
Compared with Fig. 3, Fig. 5 is the signal distributions structural representation after optimizing in the embodiment of the present invention two TD-LTE and WLAN Turbo Detection for Cooperative Communication, as shown in Figure 5, network signal in region 1 produces primarily of the normal work of AP1 and AP2, make the signal distributions in region 1 stronger, the requirement that number of users increases can be met further, ensure that user can normally use TD-LTE and WLAN cooperative communication network.
Embodiment three
When the number of users in region 2 increases, in order to adapt to the change of number of users and position, the network parameter of TD-LTE and the WLAN collected is sent to described network monitor center module by described network data model; The network parameter of TD-LTE and the WLAN collected is analyzed by described network monitor center module, obtain analysis result, user density in described analysis result and the user density in preset value are compared, judge whether to need the network optimization, when determining to need to carry out the network optimization, select prioritization scheme according to described analysis result; The described network optimization is implemented module and is received and prioritization scheme selected by performing, and opening controller 4, makes AP4 work, to alleviate the problem of network congestion rate in TD-LTE and WLAN cooperative communication network.
Compared with Fig. 3, Fig. 6 is the signal distributions structural representation after optimizing in the embodiment of the present invention three TD-LTE and WLAN Turbo Detection for Cooperative Communication, as shown in Figure 6, in the region 2 of Fig. 6, due to AP3 and AP4 normal work simultaneously, make the signal distributions in region 2 stronger, the requirement that number of users increases can be met further, ensure that user can normally use TD-LTE and WLAN cooperative communication network.
The embodiment one that the invention described above provides, embodiment two and enforcement three are automatically to adjust antenna for prioritization scheme, but the present invention is not limited thereto, prioritization scheme of the present invention can also be adopt frequency modulation technology, adopt concentric cell technology, employing power controls, automatic unlatching AP for subsequent use, selects open repeater and change annexation and the topological structure of repeater, and by adjusting the angle of antenna, gain, azimuth, the angle of pitch, watt level select Optimal location of building centre or its combination.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. based on a network optimized approach of TD-LTE and WLAN, it is characterized in that, described method comprises:
Gather the network parameter of TD-LTE and WLAN;
Described network parameter is analyzed, obtains analysis result, and described analysis result and preset value are compared, judge whether to need the network optimization, when determining to need to carry out the network optimization, select prioritization scheme according to described analysis result;
Prioritization scheme selected by execution.
2. the network optimized approach based on TD-LTE and WLAN according to claim 1, it is characterized in that, described network parameter comprises one of following parameter or its combination: signal strength signal intensity, signal to noise ratio, network delay, packet loss, transmitting power of equipment and number of users.
3. the method for the network optimization based on TD-LTE and WLAN according to claim 1, it is characterized in that, described analysis result comprises one of following parameter or its combination: interference time, interference strength, the network coverage, network congestion rate and user density.
4. the network optimized approach based on TD-LTE and WLAN according to claim 1, it is characterized in that, described prioritization scheme comprises one of following scheme or its combination: adopt frequency modulation technology, adopt concentric cell technology, employing power controls, automatic unlatching wireless access node for subsequent use (AP), selects open repeater and change annexation and the topological structure of repeater, and by adjusting the angle of antenna, gain, azimuth, the angle of pitch, watt level select Optimal location of building centre.
5. based on a network optimization system of TD-LTE and WLAN, it is characterized in that, described system comprises: module is implemented in network data acquisition module, network monitor center module and the network optimization; Wherein,
Described network data acquisition module, for gathering the network parameter of TD-LTE and WLAN, and is sent to network monitor center module by described network parameter;
Described network monitor center module, for analyzing the network parameter received, obtain analysis result, and described analysis result and preset value are compared, judge whether to need the network optimization, when determining to need to carry out the network optimization, select prioritization scheme according to described analysis result, and selected prioritization scheme is sent to described network optimization enforcement module;
Module is implemented in the described network optimization, for receiving and prioritization scheme selected by performing.
6. the network optimization system based on TD-LTE and WLAN according to claim 5, it is characterized in that, described network parameter comprises one of following parameter or its combination: signal strength signal intensity, signal to noise ratio, network delay, packet loss, transmitting power of equipment and number of users.
7. the network optimization system based on TD-LTE and WLAN according to claim 5, is characterized in that, described analysis result comprises one of following parameter or its combination: interference time, interference strength, the network coverage, network congestion rate and user density.
8. the network optimization system based on TD-LTE and WLAN according to claim 5, it is characterized in that, described prioritization scheme comprises one of following scheme or its combination: adopt frequency modulation technology, adopt concentric cell technology, employing power controls, automatic unlatching AP for subsequent use, select to open repeater and the annexation and the topological structure that change repeater, the angle of adjustment antenna, gain, azimuth, the angle of pitch, watt level select Optimal location of building centre.
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