CN105407495A - Long term evolution (LTE) network planning method and device - Google Patents
Long term evolution (LTE) network planning method and device Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/22—Traffic simulation tools or models
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Abstract
Embodiments of the invention disclose a long term evolution (LTE) network planning method and device, relating to the technical field of communication and being capable of solving the problem of large interference in the LTE network. The method comprises steps of acquiring network information of a 3G network in a target area, wherein the network information comprises station level information, sector level information and cell level information; according to the network information, performing simulation after completion of LTE 1:1 station building in the target area, so as to obtain a first simulation result of the LTE network, wherein the first simulation result comprises information used for representing reference signal receiving power (RSRP) and reference signal-signal to interference plus noise ratio (RS-SINR) in the LTE network; performing initial adjustment according to the first simulation result, wherein adjusted parameters in initial adjustment at least comprise one of base station quantity, sector quantity and project parameters; and obtaining an initial planning scheme of the LTE network according to a result after initial adjustment, so as to plan the LTE network. The method is applicable to planning of the LET network.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of planing method and device of LTE network.
Background technology
Along with the development of the communication technology; especially LTE (LongTermEvolution; Long Term Evolution) network universal, staff can carry out the deployment of LTE network according to the deployment scenario of 3G (3rd-Generation, G mobile communication) network usually.At present, the mode usually adopting LTE1:1 to build a station, LTE network is disposed in the position deploying 3G network in existing network, namely by directly inheriting the engineering parameter of 3G network, realizes the deployment of LTE network.
Adopt aforesaid way, although can complete deployment of LTE network faster, due to the difference of 3G network and LTE network, along with the continuous increase of number of users, for in the LTE network that the engineering parameter by directly inheriting 3G network is disposed, often there is larger interference problem.
Summary of the invention
The embodiment of the present invention provides a kind of planing method and device of LTE network, can solve in LTE network and disturb larger problem.
For achieving the above object, the embodiment of the present invention adopts following technical scheme:
First aspect, the embodiment of the present invention provides a kind of planing method of LTE network, and described method comprises:
Obtain the network information of G mobile communication 3G network in target area, the described network information comprises site-level information, sector-level information and cell level knowledge, described site-level information is for representing the relevant parameter of base station in described 3G network, described sector-level information is for representing the relevant parameter of sector in described 3G network, and described cell level knowledge is for representing the relevant parameter of described 3G network small area;
The emulation completed in described target area after LTE1:1 builds a station is carried out according to the described network information, obtain the first time simulation result of LTE network, described first time simulation result comprise the information of the Signal to Interference plus Noise Ratio RS-SINR for representing Reference Signal Received Power RSRP and reference signal in described LTE network;
According to described first time simulation result, initially adjust, in described initial adjustment, controlled parameter at least comprises in base station number, number of sectors and engineering parameter;
According to the result of carrying out after described initial adjustment, obtain the initial plan scheme of described LTE network, so that plan described LTE network.
Second aspect, the embodiment of the present invention provides a kind of device for planning of LTE network, and described device comprises:
Acquisition module, for obtaining the network information of G mobile communication 3G network in target area, the described network information comprises site-level information, sector-level information and cell level knowledge, described site-level information is for representing the relevant parameter of base station in described 3G network, described sector-level information is for representing the relevant parameter of sector in described 3G network, and described cell level knowledge is for representing the relevant parameter of described 3G network small area;
Emulation module, the emulation after Long Term Evolution LTE1:1 builds a station is completed in described target area for carrying out according to the described network information, obtain the first time simulation result of LTE network, described first time simulation result comprise the information of the Signal to Interference plus Noise Ratio RS-SINR for representing Reference Signal Received Power RSRP and reference signal in described LTE network;
Adjusting module, for according to described first time simulation result, initially adjust, in described initial adjustment, controlled parameter at least comprises in base station number, number of sectors and engineering parameter;
Processing module, for according to carrying out the result after described initial adjustment, obtains the initial plan scheme of described LTE network, so that plan described LTE network.
The planing method of a kind of LTE network that the embodiment of the present invention provides and device, the emulation completed in target area after LTE1:1 builds a station is carried out according to the network information of 3G network in obtained target area, obtain the first time simulation result of LTE network, and according to first time simulation result, initially adjust, afterwards according to the result after initially adjusting, obtain the initial plan scheme of LTE network, so that plan LTE network.Wherein, the network information comprises site-level information, sector-level information and cell level knowledge, site-level information is for representing the relevant parameter of base station in 3G network, sector-level information is for representing the relevant parameter of sector in 3G network, cell level knowledge is for representing the relevant parameter of 3G network small area, first time, simulation result comprised the information for representing RSRP and RS-SINR in LTE network, and in initial adjustment, controlled parameter at least comprises in base station number, number of sectors and engineering parameter.Be compared in prior art the mode adopting LTE1:1 to build a station, LTE network is disposed in the position deploying 3G network in existing network, the present invention can carry out the emulation of LTE network after LTE1:1 builds a station according to the network information of obtained 3G network, and according to first time simulation result, at least one item in base station number, the quantity that gets on and engineering parameter is adjusted, thus obtain the initial plan scheme of LTE network.Namely simulated the deployment scenario of LTE network by emulation, debug according to simulation result more afterwards, thus disturb larger problem in solution LTE network.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The planing method flow chart of a kind of LTE network that Fig. 1 provides for the embodiment of the present invention;
The planing method flow chart of the another kind of LTE network that Fig. 2 provides for the embodiment of the present invention;
The planing method flow chart of the another kind of LTE network that Fig. 3 provides for the embodiment of the present invention;
The planing method flow chart of the another kind of LTE network that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the device for planning of a kind of LTE network that Fig. 5 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of planing method of LTE network, and as shown in Figure 1, the method is performed by the network equipment or server, and the method comprises:
101, the network information of 3G network in target area is obtained.
Wherein, the network information comprises site-level information, sector-level information and cell level knowledge, site-level information is for representing the relevant parameter of base station in 3G network, and sector-level information is for representing the relevant parameter of sector in 3G network, and cell level knowledge is for representing the relevant parameter of 3G network small area.
In order to ensure that step 102 can produce good simulated effect after performing, the obtained network information can be screened, such as: remove and do not possess terrace/machine room resource and base station that the objective condition such as cannot inboundly to construct is limited, and the superelevation base station etc. in city is not suitable for the website disposing LTE network.In embodiments of the present invention, the screening mode for the network information does not do concrete restriction, can preset screening conditions according to different demands by staff, or is directly carried out the screening of the network information based on experience value by the network equipment or server.It should be noted that, site-level information comprises: base station name, base station longitude and base station latitude; Sector-level information comprises: Sector Name, sector respective base station longitude, sector respective base station latitude, antenna type, antenna are hung high, azimuth, mechanical tilt angle, electrical tilt angle, up feed line length, descending feed line length, feeder line type and whether had tower amplifier; Cell level knowledge comprises: the Sector Name of sector belonging to community, physical district ID (Identity, mark), cell name, community frequency range used and community frequency used.Wherein, in embodiments of the present invention, the measurement unit at azimuth, mechanical tilt angle and electrical tilt angle can be degree (°), and the measurement unit of up feed line length and descending feed line length can be rice (m).
102, carry out the emulation completed in target area after LTE1:1 builds a station according to the network information, obtain the first time simulation result of LTE network.
Wherein, simulation result comprises for representing RSRP (ReferenceSignalReceivingPower in LTE network for the first time, Reference Signal Received Power) and the information of RS-SINR (ReferenceSignal-SignaltoInterferenceplusNoiseRatio, the Signal to Interference plus Noise Ratio of reference signal).
In embodiments of the present invention, consider that LTE network can be disposed according to the deployment way of 3G network in the prior art, therefore, in LTE network in deployment, the mode that can first adopt LTE1:1 to build a station carried out LTE1:1 build a station after emulation.Namely in target area, inherit the network information of 3G network, realize the deployment of LTE network, obtain the first time simulation result of LTE network.
In embodiments of the present invention, can select to support the simulation software of high-precision model algorithm and ACP (, automatic sector optimum partition) function, wherein, high-precision model algorithm can be specially ray tracing model.Further, the three-dimensional map being applied to simulation process needs to reach certain precision according to different covering scene, and in embodiments of the present invention, the precision in urban district and region, county town can be set to 5 meters, the precision of suburb and rural areas can be set to 20 meters.In addition, in order to ensure the accuracy of simulation result, the rectification that CW (ContinuousWave, continuous wave) test realizes propagation model can be passed through, thus ensure the accuracy of simulation result.It should be noted that, adopt CW test to correct propagation model, the error-reduction of the model after correction can be made to 10dB (decibel).
103, according to first time simulation result, initially adjust.
Wherein, in initial adjustment, controlled parameter at least comprises one in base station number, number of sectors and engineering parameter.
104, according to the result after initially adjusting, the initial plan scheme of LTE network is obtained.
In embodiments of the present invention, LTE network can be carried out according to initial plan scheme and plan, namely according to the result after initial adjustment, realize, on the basis of 3G network deployment, completing the deployment of LTE network.
The planing method of a kind of LTE network that the embodiment of the present invention provides, the emulation completed in target area after LTE1:1 builds a station is carried out according to the network information of 3G network in obtained target area, obtain the first time simulation result of LTE network, and according to first time simulation result, initially adjust, afterwards according to the result after initially adjusting, obtain the initial plan scheme of LTE network, so that plan LTE network.Wherein, the network information comprises site-level information, sector-level information and cell level knowledge, site-level information is for representing the relevant parameter of base station in 3G network, sector-level information is for representing the relevant parameter of sector in 3G network, cell level knowledge is for representing the relevant parameter of 3G network small area, first time, simulation result comprised the information for representing RSRP and RS-SINR in LTE network, and in initial adjustment, controlled parameter at least comprises in base station number, number of sectors and engineering parameter.Be compared in prior art the mode adopting LTE1:1 to build a station, LTE network is disposed in the position deploying 3G network in existing network, the present invention can carry out the emulation of LTE network after LTE1:1 builds a station according to the network information of obtained 3G network, and according to first time simulation result, at least one item in base station number, the quantity that gets on and engineering parameter is adjusted, thus obtain the initial plan scheme of LTE network.Namely simulated the deployment scenario of LTE network by emulation, debug according to simulation result more afterwards, thus disturb larger problem in solution LTE network.
In order to better adjust for the larger deployment scenario of problem to the LTE network simulated of interference, in an implementation of the embodiment of the present invention, can after debugging for simulation result, the deployment scenario of the LTE network after debugging is obtained by secondary simulation, afterwards in conjunction with ACP technology, LTE network is further planned.Therefore, on the basis of implementation as shown in Figure 1, implementation as shown in Figure 2 can also be embodied as.Wherein, performing step 104 according to the result after initially adjusting, after obtaining the initial plan scheme of LTE network, step 105 can performed to step 107:
105, emulate according to the result after initial adjustment, obtain the second time simulation result of LTE network.
Wherein, second time simulation result comprises the information for representing RSRP and RS-SINR in LTE network.
106, RSRP thresholding, RS-SINR thresholding and coverage rate thresholding are set.
In order to ensure the network planning target that can reach expection after the network planning as much as possible, therefore, can set desired value, RSRP thresholding, RS-SINR thresholding and coverage rate thresholding are namely set, as shown in Table 1, namely RSRP thresholding is set to-100dBm, RS-SINR thresholding is set to-3dB, coverage rate thresholding is set to 95%.
Table one
It should be noted that, in embodiments of the present invention, except RSRP thresholding, RS-SINR thresholding and coverage rate thresholding can be arranged, can also set network adjusting range.Namely according to the grasp to existing network 3G website and alternative website actual conditions, accurate Suitable content and scope can be set respectively to each base station, sector and community, specifically comprise: whether allow to subtract station/sector, whether allow to change antenna, whether allow to adjust antenna and hang adjusting range corresponding to high, azimuth, angle of declination, transmitting power and parameters.
Such as: the adjusting range of base station can be state as shown in Table 2, the adjusting range of sector or community can be state as shown in Table 3.
Table two
| Name of station | Whether can delete |
| Website 1 | Be |
| Website 2 | Be |
| Website 3 | Be |
| Website 4 | Be |
| Website 5 | Be |
| Website 6 | Be |
| Website 7 | Be |
| Website 8 | Be |
| Website 9 | Be |
| Website 10 | Be |
| …… | …… |
Table three
107, according to second time simulation result, RSRP thresholding, RS-SINR thresholding and coverage rate thresholding, ACP adjustment is carried out.
In embodiments of the present invention, after execution of step 107, the parameter after ACP adjustment can also be emulated, and obtain the 3rd simulation result.Further, in order to ensure the reasonability of deployment of LTE network further, by the method for successive ignition, repeatedly can also carry out ACP adjustment, and emulate, until the deployment scenario by obtaining good LTE network after emulation.
It should be noted that because step 101 is to step 105, and on execution sequence, there is not certain sequencing between step 106 limit, therefore, in embodiments of the present invention, step 101 is to step 105, can perform with step 106 simultaneously, or perform according to certain sequencing.
The planing method of a kind of LTE network that the embodiment of the present invention provides, after the initial plan scheme obtaining LTE network, emulate according to the result after initial adjustment, obtain the second time simulation result of LTE network, and according to second time simulation result, and the RSRP thresholding pre-set, RS-SINR thresholding and coverage rate thresholding, carry out ACP adjustment.Wherein, second time simulation result comprises the information for representing RSRP and RS-SINR in LTE network.Be compared in prior art the mode adopting LTE1:1 to build a station, LTE network is disposed in the position deploying 3G network in existing network, and the present invention after the initial plan scheme obtaining LTE network, can be emulated by second time, and ACP adjustment, improve the initial plan scheme of LTE network.Namely simulated the deployment scenario of LTE network by emulation, and debug according to simulation result, carry out second time emulation afterwards, and adopt the deployment scenario of ACP technology to LTE network to adjust further, thus disturb larger problem in solution LTE network.
In order to ensure the adjustment of deployment scenario carrying out LTE network more targetedly from multiple angle, in an implementation of the embodiment of the present invention, can realize adding station, subtract station according to first time simulation result, sector merges, high, adjustment azimuth hung by sector division, adjustment antenna and at least one item in adjustment angle of declination.Therefore, on the basis of implementation as shown in Figure 1, implementation as shown in Figure 3 can also be embodied as.Wherein, step 103, according to first time simulation result, initially adjusts, and can be implemented as step 1031 to step 1032, and/or step 1033 is to step 1034, and/or step 1035:
1031, according to first time simulation result, the weak overlay area in target area and the overstocked region of website is determined.
In conjunction with first time simulation result, namely for the analogous diagram of the information for representing RSRP and RS-SINR in LTE network, the weak overlay area in target area can be determined, and the overstocked region of website, namely the high interference region of station spacing under pre-determined threshold.It should be noted that, pre-determined threshold can be arranged based on experience value, specifically may be used for distinguishing high interference region and not high interference region, and pre-determined threshold specifically can be set to 200 meters.In embodiments of the present invention, when there not being one in weak overlay area and the overstocked region of website in target area, then do not need to perform step 1031 and step 1032.
1032, in weak overlay area, add station, and subtract station in the overstocked region of website.
It should be noted that, when execution of step 1031 determines to there is weak overlay area, then need to carry out examine on the spot to weak overlay area, thus tentatively determine to add the warp at station, high, azimuth hung by latitude, antenna and the relevant parameter such as angle of declination; When execution of step 1031 determines to exist the overstocked region of website, the base station in overstocked for website region is then needed to carry out subtracting station, and the relevant parameter of the base station be removed is removed, namely the relevant parameter of the base station be removed is deleted from the network information that step 101 obtains.
1033, according to first time simulation result, four sector site in target area and two sector site are determined.
1034, the sector of four sector site is merged, and the sector of two sector site is divided.
In conjunction with first time simulation result, namely for the analogous diagram of the information for representing RSRP and RS-SINR in 3G network, four sector site in target area can be determined, and two sector site.Because four sector site bring serious interference problem can to the LTE network of identical networking, two sector site can cause and cover unbalanced problem, therefore, the sector of four sector site is needed to merge, to form three sectors, meanwhile, need the sector of two sector site to divide, to form three sectors.In embodiments of the present invention, when there not being one in four sector site and two sector site in target area, then do not need to perform step 1033 and step 1034.
1035, according to first time simulation result, adjustment antenna hangs high, azimuth and angle of declination.
Antenna is hung to the adjustment of the engineering parameters such as high, azimuth and angle of declination, finely tune mainly for the website in irrational 3G network.It should be noted that, because the high difficulty adjusted in existing network website of antenna extension is higher, therefore, in the adjustment process considering engineering parameter, also need difficulty, the easily degree of considering implementation procedure.
Such as: be in target area as shown in Table 4, need the Adjusted Option of website 1 to the website 10 of adjustment, and the relevant parameter before and after adjustment.
Table four
In embodiments of the present invention, concrete realization flow can be implemented as implementation as shown in Figure 4, and concrete execution step is as follows:
201, the network information of 3G network is obtained;
202, website Preliminary screening;
203, first network simulation, the network information that the website namely filtered out according to step 202 is corresponding emulates, and has obtained the simulation result of the LTE network after LTE1:1 builds a station;
204, initial analysis and project setting, namely emulates according to step 203 simulation result obtained and carries out data analysis, adjustment;
205, secondary network emulation, namely emulates according to the scheme after step 204 adjustment;
206, judge whether to there is not obvious weak overlay area, and website distributing equilibrium;
207, ACP scheme optimization, namely according to the simulation result of step 205, is just optimized by ACP technology;
208, export optimum LTE pre-planning scheme, namely after execution of step 207, by successive ignition, draw most suitable LTE programme, namely optimum LTE pre-planning scheme;
209, CW test, propagation model are corrected;
210, subtract station, add station, engineering ginseng adjustment etc.;
211, ACP target, configuration network adjusting range is set, wherein, the setting of ACP target, and the configuration of network adjusting range can be preset according to the demand of different application scene by staff.
It should be noted that, experimentally the statistics of result, analysis, the mode that can obtain adopting LTE1:1 to build a station carries out the deployment of LTE network, and the accounting that the accounting of RSRP >=-100dBm can reach 73.5%, RS-SinR >=-3dB can reach 79.35%; By step 101, step 102, step 1031 to step 1035, and the mode of step 104 carries out the deployment of LTE network, and the accounting that the accounting of RSRP >=-100dBm can reach 82.2%, RS-SinR >=-3dB can reach 81.32%; By step 101, step 102, step 1031 to step 1035, and step 104 to the mode of step 107 carries out the deployment of LTE network, and the accounting that the accounting of RSRP >=-100dBm can reach 96.21%, RS-SinR >=-3dB can reach 95.13%.Therefore, be compared in prior art the mode adopting LTE1:1 to build a station, preliminary planning scheme reduces the interference problem that LTE network may exist after deployment to a certain extent, deployment scheme after APC adjustment further can reduce the interference problem that LTE network may exist after deployment, and, by the method for successive ignition, the interference that LTE network may exist after deployment can be reduced as much as possible.
The planing method of a kind of LTE network that the embodiment of the present invention provides, the emulation completed in target area after LTE1:1 builds a station is carried out according to the network information of 3G network in obtained target area, obtain the first time simulation result of LTE network, and according to first time simulation result, initially adjust for different situations, be specifically as follows: in weak overlay area, add station, and subtract station in the overstocked region of website; And/or, the sector of four sector site is merged, and the sector of two sector site is divided; And/or adjustment antenna hangs high, azimuth and angle of declination.Afterwards according to the result after initially adjusting, obtain the initial plan scheme of LTE network, so that plan LTE network.Wherein, the network information comprises site-level information, sector-level information and cell level knowledge, site-level information is for representing the relevant parameter of base station in 3G network, sector-level information is for representing the relevant parameter of sector in 3G network, cell level knowledge is for representing the relevant parameter of 3G network small area, first time, simulation result comprised the information for representing RSRP and RS-SINR in LTE network, and in initial adjustment, controlled parameter at least comprises in base station number, number of sectors and engineering parameter.Be compared in prior art the mode adopting LTE1:1 to build a station, LTE network is disposed in the position deploying 3G network in existing network, the present invention can carry out the emulation of LTE network after LTE1:1 builds a station according to the network information of obtained 3G network, and according to first time simulation result, at least one item in base station number, the quantity that gets on and engineering parameter is adjusted targetedly, thus obtain the initial plan scheme of LTE network.Namely simulated the deployment scenario of LTE network by emulation, afterwards again to the adaptability debugging carrying out multiple angle according to simulation result, thus disturb larger problem in solution LTE network.
The embodiment of the present invention provides a kind of device for planning 30 of LTE network, and as shown in Figure 5, this device 30 comprises:
Acquisition module 31, for obtaining the network information of G mobile communication 3G network in target area, the network information comprises site-level information, sector-level information and cell level knowledge, site-level information is for representing the relevant parameter of base station in 3G network, sector-level information is for representing the relevant parameter of sector in 3G network, and cell level knowledge is for representing the relevant parameter of 3G network small area.
Emulation module 32, the emulation after Long Term Evolution LTE1:1 builds a station is completed in target area for carrying out according to the network information, obtain the first time simulation result of LTE network, simulation result comprises the information of the Signal to Interference plus Noise Ratio RS-SINR for representing Reference Signal Received Power RSRP and reference signal in LTE network for the first time.
Adjusting module 33, for according to first time simulation result, initially adjusts, and in initial adjustment, controlled parameter at least comprises in base station number, number of sectors and engineering parameter.
Processing module 34, the result after initially adjusting for basis, obtains the initial plan scheme of LTE network, so that plan LTE network.
In an implementation of the embodiment of the present invention, emulation module 32, also for emulating according to the result after initial adjustment, obtain the second time simulation result of LTE network, second time simulation result comprises the information for representing RSRP and RS-SINR in LTE network.
Module 35 is set, for arranging RSRP thresholding, RS-SINR thresholding and coverage rate thresholding.
Optimize module 36, for according to second time simulation result, RSRP thresholding, RS-SINR thresholding and coverage rate thresholding, carry out automatic sector optimum partition ACP and adjust.
In an implementation of the embodiment of the present invention, adjusting module 33, specifically for according to first time simulation result, determines the weak overlay area in target area and the overstocked region of website;
In weak overlay area, add station, and subtract station in the overstocked region of website;
And/or, according to first time simulation result, determine four sector site in target area and two sector site;
The sector of four sector site is merged, and the sector of two sector site is divided;
And/or according to first time simulation result, adjustment antenna hangs high, azimuth and angle of declination.
It should be noted that, site-level information comprises: base station name, base station longitude and base station latitude; Sector-level information comprises: Sector Name, sector respective base station longitude, sector respective base station latitude, antenna type, antenna are hung high, azimuth, mechanical tilt angle, electrical tilt angle, up feed line length, descending feed line length, feeder line type and whether had tower amplifier; Cell level knowledge comprises: the Sector Name of sector belonging to community, Physical Cell Identifier ID, cell name, community frequency range used and community frequency used.
The device for planning of a kind of LTE network that the embodiment of the present invention provides, the emulation completed in target area after LTE1:1 builds a station is carried out according to the network information of 3G network in obtained target area, obtain the first time simulation result of LTE network, and according to first time simulation result, initially adjust, afterwards according to the result after initially adjusting, obtain the initial plan scheme of LTE network, so that plan LTE network.Wherein, the network information comprises site-level information, sector-level information and cell level knowledge, site-level information is for representing the relevant parameter of base station in 3G network, sector-level information is for representing the relevant parameter of sector in 3G network, cell level knowledge is for representing the relevant parameter of 3G network small area, first time, simulation result comprised the information for representing RSRP and RS-SINR in LTE network, and in initial adjustment, controlled parameter at least comprises in base station number, number of sectors and engineering parameter.Be compared in prior art the mode adopting LTE1:1 to build a station, LTE network is disposed in the position deploying 3G network in existing network, the present invention can carry out the emulation of LTE network after LTE1:1 builds a station according to the network information of obtained 3G network, and according to first time simulation result, at least one item in base station number, the quantity that gets on and engineering parameter is adjusted, thus obtain the initial plan scheme of LTE network.Namely simulated the deployment scenario of LTE network by emulation, debug according to simulation result more afterwards, thus disturb larger problem in solution LTE network.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for device embodiment, because it is substantially similar to embodiment of the method, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (8)
1. a planing method for LTE network, is characterized in that, described method comprises:
Obtain the network information of G mobile communication 3G network in target area, the described network information comprises site-level information, sector-level information and cell level knowledge, described site-level information is for representing the relevant parameter of base station in described 3G network, described sector-level information is for representing the relevant parameter of sector in described 3G network, and described cell level knowledge is for representing the relevant parameter of described 3G network small area;
Carry out in described target area, completing the emulation after Long Term Evolution LTE1:1 builds a station according to the described network information, obtain the first time simulation result of LTE network, described first time simulation result comprise the information of the Signal to Interference plus Noise Ratio RS-SINR for representing Reference Signal Received Power RSRP and reference signal in described LTE network;
According to described first time simulation result, initially adjust, in described initial adjustment, controlled parameter at least comprises in base station number, number of sectors and engineering parameter;
According to the result of carrying out after described initial adjustment, obtain the initial plan scheme of described LTE network, so that plan described LTE network.
2. method according to claim 1, is characterized in that, the result after described basis carries out described initial adjustment, after obtaining the initial plan scheme of described LTE network, comprising:
Emulate according to the result after described initial adjustment, obtain the second time simulation result of described LTE network, described second time simulation result comprises the information for representing RSRP and RS-SINR in described LTE network;
RSRP thresholding, RS-SINR thresholding and coverage rate thresholding are set;
According to described second time simulation result, described RSRP thresholding, described RS-SINR thresholding and described coverage rate thresholding, carry out automatic sector optimum partition ACP and adjust.
3. method according to claim 1, is characterized in that, described according to described first time simulation result, initially adjusts, comprising:
According to described first time simulation result, determine the weak overlay area in described target area and the overstocked region of website;
In described weak overlay area, add station, and subtract station in the overstocked region of described website;
And/or, according to described first time simulation result, determine four sector site in described target area and two sector site;
The sector of described four sector site is merged, and the sector of described two sector site is divided;
And/or according to described first time simulation result, adjustment antenna hangs high, azimuth and angle of declination.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described site-level information comprises: base station name, base station longitude and base station latitude; Described sector-level information comprises: Sector Name, sector respective base station longitude, sector respective base station latitude, antenna type, antenna are hung high, azimuth, mechanical tilt angle, electrical tilt angle, up feed line length, descending feed line length, feeder line type and whether had tower amplifier; Described cell level knowledge comprises: the Sector Name of sector belonging to community, Physical Cell Identifier ID, cell name, community frequency range used and community frequency used.
5. a device for planning for LTE network, is characterized in that, described device comprises:
Acquisition module, for obtaining the network information of G mobile communication 3G network in target area, the described network information comprises site-level information, sector-level information and cell level knowledge, described site-level information is for representing the relevant parameter of base station in described 3G network, described sector-level information is for representing the relevant parameter of sector in described 3G network, and described cell level knowledge is for representing the relevant parameter of described 3G network small area;
Emulation module, the emulation after Long Term Evolution LTE1:1 builds a station is completed in described target area for carrying out according to the described network information, obtain the first time simulation result of LTE network, described first time simulation result comprise the information of the Signal to Interference plus Noise Ratio RS-SINR for representing Reference Signal Received Power RSRP and reference signal in described LTE network;
Adjusting module, for according to described first time simulation result, initially adjust, in described initial adjustment, controlled parameter at least comprises in base station number, number of sectors and engineering parameter;
Processing module, for according to carrying out the result after described initial adjustment, obtains the initial plan scheme of described LTE network, so that plan described LTE network.
6. device according to claim 5, it is characterized in that, described emulation module, also for emulating according to the result after described initial adjustment, obtain the second time simulation result of described LTE network, described second time simulation result comprises the information for representing RSRP and RS-SINR in described LTE network;
Module is set, for arranging RSRP thresholding, RS-SINR thresholding and coverage rate thresholding;
Optimize module, for according to described second time simulation result, described RSRP thresholding, described RS-SINR thresholding and described coverage rate thresholding, carry out automatic sector optimum partition ACP and adjust.
7. device according to claim 5, is characterized in that, described adjusting module, specifically for according to described first time simulation result, determines the weak overlay area in described target area and the overstocked region of website;
In described weak overlay area, add station, and subtract station in the overstocked region of described website;
And/or, according to described first time simulation result, determine four sector site in described target area and two sector site;
The sector of described four sector site is merged, and the sector of described two sector site is divided;
And/or according to described first time simulation result, adjustment antenna hangs high, azimuth and angle of declination.
8. the device according to any one of claim 5 to 7, is characterized in that, described site-level information comprises: base station name, base station longitude and base station latitude; Described sector-level information comprises: Sector Name, sector respective base station longitude, sector respective base station latitude, antenna type, antenna are hung high, azimuth, mechanical tilt angle, electrical tilt angle, up feed line length, descending feed line length, feeder line type and whether had tower amplifier; Described cell level knowledge comprises: the Sector Name of sector belonging to community, Physical Cell Identifier ID, cell name, community frequency range used and community frequency used.
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