CN110475253B - Method, apparatus, device and medium for optimizing base station coverage - Google Patents
Method, apparatus, device and medium for optimizing base station coverage Download PDFInfo
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Abstract
本发明实施例提供了一种优化基站覆盖范围的方法、装置、设备及介质。其中，优化基站覆盖范围的方法包括：获取覆盖参数；其中，覆盖参数包括：天线型号、权值类型和频段；根据天线型号和权值类型，确定天线基准权值参数；其中，天线基准权值参数包括：基准幅度和基准相位；根据频段，确定对应的调整表；其中，调整表包括：幅度范围和相位范围；分别匹配与当前天线水平半功率角对应的幅度调整因子和与当前天线下倾角对应的相位调整因子；以及根据幅度调整因子、基准幅度和幅度范围，确定最优天线权值的幅度，以及根据相位调整因子、基准相位和相位范围，确定最优天线权值的相位。本发明实施例用于通过调整天线参数，优化基站的覆盖能力。
Embodiments of the present invention provide a method, apparatus, device, and medium for optimizing the coverage of a base station. Wherein, the method for optimizing the coverage of the base station includes: obtaining coverage parameters; wherein, the coverage parameters include: antenna model, weight type and frequency band; according to the antenna model and weight type, determine the antenna reference weight parameter; wherein, the antenna reference weight The parameters include: reference amplitude and reference phase; according to the frequency band, determine the corresponding adjustment table; wherein, the adjustment table includes: amplitude range and phase range; respectively match the amplitude adjustment factor corresponding to the current antenna horizontal half-power angle and the current antenna downtilt angle The corresponding phase adjustment factor; and the amplitude of the optimal antenna weight is determined according to the amplitude adjustment factor, the reference amplitude and the amplitude range, and the phase of the optimal antenna weight is determined according to the phase adjustment factor, the reference phase and the phase range. The embodiment of the present invention is used to optimize the coverage capability of the base station by adjusting the antenna parameters.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, a device, and a medium for optimizing a coverage area of a base station.
Background
In the wireless coverage of an outdoor base station in the fourth Generation mobile communication technology (4-Generation, 4G), the base station adopts an 8-channel smart antenna, the 8-channel smart antenna has a beam-adjustable characteristic, and the coverage capability of a base station cell can be directly influenced by adjusting antenna parameters. However, when the base station is turned on, the antenna parameters of the base station generally adopt default values, and the antenna parameters are not reasonably set, so that the coverage capability of the base station cannot be optimal.
Disclosure of Invention
The embodiment of the invention provides a method, a device, equipment and a medium for optimizing the coverage area of a base station, and aims to solve the problem that the coverage capacity of the base station cannot be optimal due to the fact that antenna parameters are not reasonably set.
In a first aspect, an embodiment of the present invention provides a method for optimizing a coverage area of a base station, where the method includes:
acquiring a coverage parameter; wherein, the coverage parameter includes: the antenna model, the weight type and the frequency band;
determining an antenna reference weight parameter according to the antenna model and the weight type; wherein, the antenna reference weight parameter includes: a reference amplitude and a reference phase;
determining a corresponding adjusting table according to the frequency band; wherein, the adjustment table includes: an amplitude range and a phase range;
respectively matching an amplitude adjustment factor corresponding to the horizontal half-power angle of the current antenna and a phase adjustment factor corresponding to the downward inclination angle of the current antenna; and
and determining the amplitude of the optimal antenna weight according to the amplitude adjustment factor, the reference amplitude and the amplitude range, and determining the phase of the optimal antenna weight according to the phase adjustment factor, the reference phase and the phase range.
In a second aspect, an embodiment of the present invention provides an apparatus for optimizing a coverage area of a base station, where the apparatus includes:
the acquisition module is used for acquiring the coverage parameters; wherein, the coverage parameter includes: the antenna model and the weight type;
the determining module is used for determining an antenna reference weight parameter according to the antenna model and the weight type; wherein, the antenna reference weight parameter includes: a reference amplitude and a reference phase;
the determining module is also used for determining a corresponding adjusting table according to the frequency band; wherein, the adjustment table includes: an amplitude range and a phase range;
the matching module is used for respectively matching an amplitude adjustment factor corresponding to the horizontal half-power angle of the current antenna and a phase adjustment factor corresponding to the downward inclination angle of the current antenna;
the determining module is further configured to determine an amplitude of the optimal antenna weight according to the amplitude adjustment factor, the reference amplitude, and the amplitude range, and determine a phase of the optimal antenna weight according to the phase adjustment factor, the reference phase, and the phase range.
In a third aspect, an embodiment of the present invention provides an apparatus for optimizing a coverage area of a base station, where the apparatus includes: at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement the method of the first aspect of the embodiments described above.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which computer program instructions are stored, which, when executed by a processor, implement the method of the first aspect in the foregoing embodiments.
According to the method, the device, the equipment and the medium for optimizing the coverage area of the base station, provided by the embodiment of the invention, the amplitude of the optimal antenna weight is determined through the amplitude adjustment factor, the reference amplitude and the adjustment table corresponding to the frequency band; determining the phase of the optimal antenna weight through a phase adjustment factor, a reference phase and an adjustment table corresponding to the frequency band; wherein, the antenna reference weight parameter includes: the antenna reference weight parameters are determined according to the antenna model and the weight type. The method realizes the maximization of the utilization rate of the power resources of the base station by reasonably configuring the antenna weight of the base station, improves the coverage capability of the base station and increases the coverage distance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for optimizing a coverage area of a base station according to an embodiment of the present invention;
fig. 2 is a flowchart of another method for optimizing coverage of a base station according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an apparatus for optimizing coverage of a base station according to an embodiment of the present invention;
fig. 4 is a schematic hardware structure diagram of a device for optimizing a coverage area of a base station according to an embodiment of the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Fig. 1 is a flowchart of a method for optimizing a coverage area of a base station according to an embodiment of the present invention. As shown in fig. 1, the method for optimizing the coverage of the base station may include:
step 101: acquiring a coverage parameter; wherein, the coverage parameter includes: antenna (Antenna, ANT) type and weight type;
step 102: determining an antenna reference weight parameter according to the ANT antenna model and the Q weight type; wherein, the antenna reference weight parameter includes: a reference amplitude and a reference phase;
step 103: determining a corresponding adjusting table according to the frequency band; wherein, the adjustment table includes: an amplitude range and a phase range;
step 104: respectively matching an amplitude adjustment factor corresponding to the horizontal half-power angle of the current antenna and a phase adjustment factor corresponding to the downward inclination angle of the current antenna;
step 105: and determining the amplitude of the optimal antenna weight according to the amplitude adjustment factor, the reference amplitude and the amplitude range, and determining the phase of the optimal antenna weight according to the phase adjustment factor, the reference phase and the phase range.
According to the method, the device, the equipment and the medium for optimizing the coverage area of the base station, provided by the embodiment of the invention, the amplitude of the optimal antenna weight is determined through the amplitude adjustment factor, the reference amplitude and the adjustment table corresponding to the frequency band; determining the phase of the optimal antenna weight through a phase adjustment factor, a reference phase and an adjustment table corresponding to the frequency band; wherein, the antenna reference weight parameter includes: the antenna reference weight parameters are determined according to the antenna model and the weight type. The method realizes the maximization of the utilization rate of the power resources of the base station by reasonably configuring the antenna weight of the base station, improves the coverage capability of the base station and increases the coverage distance.
In this embodiment of the present invention, the determining the antenna reference weight parameter according to the antenna model and the weight type in step 102 includes:
according to the antenna model and the weight type, matching an antenna reference weight parameter in a specified antenna weight array library
Mm is the amplitude of the wave,
is the phase.
Wherein, the weight types comprise a lossy weight and a lossless weight; the lossy weight value is that the value of the amplitude m of the antenna at each antenna port is not equal to 1, and is not the transmission of 100%, and the power is lost; the lossless weight is that the value of each antenna port is 1, each port transmits 100%, and no power loss exists.
In the embodiment of the present invention, the frequency band in step 103 is mainly determined by the cell frequency point configuration attribute; the adjustment table corresponding to the frequency band comprises a phase range and an amplitude range corresponding to each antenna port in the 8-channel intelligent antenna. The frequency band includes F frequency and D frequency.
In this embodiment of the present invention, the step 104 of respectively matching the amplitude adjustment factor corresponding to the horizontal half-power angle of the current antenna and the phase adjustment factor corresponding to the downtilt angle of the current antenna includes:
judging whether the current antenna downward inclination angle meets a first preset angle range or not;
if the first preset angle range is met, determining a phase adjustment factor; and
comparing the current antenna horizontal half-power angle with a first preset value;
and determining an amplitude adjustment factor according to the comparison result.
Assuming that the first predetermined angle range is (≦ 6 °, 6-10 °,>10 °), when the current antenna downtilt angle ≦ 6 °, the phase adjustment factor Y1 is 0; when the downward inclination angle of the current antenna meets (6 degrees and 10 degrees), namely the downward inclination angle of the current antenna is in the range of (6 degrees and 10 degrees), the phase adjustment factor Y1 is-10 degrees; when the current antenna downtilt angle is greater than 10 °, the phase adjustment factor Y1 is 10 °. Phase of optimal antenna weight
(reference phase + Y1, 180 °).
Supposing that when the antenna horizontal half-power angle is less than or equal to 65 °, the adjustment factor X1 is 0.8, and the amplitude m of the optimal antenna weight is equal to the reference amplitude X factor X1; when the horizontal half-power angle of the antenna is greater than 65 degrees, the value of the adjustment factor is 1, and the amplitude m of the optimal antenna weight is equal to the reference amplitude X factor 1.
In the embodiment of the present invention, step 105 specifically includes:
firstly determining Z1 based on the frequency band, wherein Z1 comprises a phase range and an amplitude range;
respectively determining the amplitude of the optimal antenna weight in the amplitude range based on the amplitude adjustment factor and the reference amplitude;
and determining the phase of the optimal antenna weight in the phase range based on the phase adjustment factor and the reference phase.
And on the basis of determining Z1, performing X1 and Y1 adjustment to obtain the phase and amplitude of the optimal antenna.
The phase and amplitude of the optimal antenna weight for F frequency are as follows, where m is 1, and each port transmits 100%:
the phase and amplitude of the optimal antenna weight for D frequency are as follows, where m is 1, and each port transmits 100%:
in this embodiment of the present invention, before step 104, the method for optimizing the coverage of the base station further includes:
and judging whether the current antenna downward inclination angle is equal to the optimal antenna downward inclination angle or not. Wherein, the current antenna downtilt angle may be a current antenna downtilt angle of the base station.
When it is determined that the current antenna downtilt angle is not equal to the optimal antenna downtilt angle, the method for optimizing the coverage of the base station further includes:
the first step is as follows: determining the downward inclination angle range of the antenna according to the height and the coverage scene of the base station antenna;
the second step is that: determining a corresponding first adjusting factor according to a comparison result of the reference signal power and a second preset value;
the third step: judging whether the TA (time advanced) coverage distance meets a second preset distance range; if the coverage range meets a second preset distance range, determining a corresponding second adjustment factor;
the fourth step: judging whether the antenna gain meets a preset range or not; if the antenna gain meets the preset range, determining a corresponding third adjustment factor;
the fifth step: adjusting the downward inclination angle range of the antenna according to the first adjustment factor, the second adjustment factor and the third adjustment factor to obtain an optimal downward inclination angle of the antenna; overlay parameters, further comprising: base station antenna height, reference signal power, coverage distance, and antenna gain.
In this embodiment of the present invention, the determining the antenna downtilt range according to the base station antenna height and the coverage scenario in the first step includes:
according to the standard BMOP (basic Management of platform) industrial parameter database, the height H (high) of the base station antenna is determined to comprise the following heights: [15, 25], [26, 35) and [35, + ∞); the unit is meter. The relationship between the antenna downtilt angle and the height of the base station antenna is as follows: and according to the principle that the lower antenna height is set to be smaller, and the higher antenna height is set to be relatively larger.
Determining the downward inclination angle range of the antenna by combining the coverage scene; wherein the antenna downtilt range includes: 8-10 degrees, 10-12 degrees, 12-14 degrees and 14-16 degrees; [15, 25] corresponds to 8-10 DEG, [26, 35 ] corresponds to 10-12 DEG, [35, + ∞) corresponds to 12-14 DEG and 14-16 deg. Wherein, the coverage scenario includes: dense urban areas, general urban areas, rural areas and highway railways.
In the embodiment of the present invention, the determining the corresponding first adjustment factor according to the comparison result between the reference signal power and the second preset value in the second step includes:
when the CRS reference signal power is larger than or equal to 15.2dBm, forward adjustment is carried out, and a first adjustment factor is 1 degree; when the CRS reference signal power is less than 15.2dBm, the adjustment is negative-going, and the first adjustment factor is-1 deg. The Reference Signal power is a set value of Cell Reference Signal (CRS) power.
In the embodiment of the present invention, the third step is to determine whether the coverage distance satisfies a second preset distance range; if the coverage area meets a second preset distance range, determining a corresponding second adjustment factor, including:
when the coverage distance is <500m, the second adjustment factor is 0 °; when the covering distance belongs to (500, 1000) m, the second adjustment factor is 0.5 °; when the coverage distance belongs to (1000, 2000) m, the second adjustment factor is 1 °; the second adjustment factor is 1.5 ° when the coverage distance >2000 meters. The coverage distance is a Time Advanced (TA) distribution data passage measured by a Measurement Report (MR), and a cell coverage distance is established.
In the embodiment of the present invention, the fourth step is to determine whether the antenna Gain (Gain, G) satisfies a preset range; if the antenna gain meets the preset range, determining a corresponding third adjustment factor, including:
when the antenna gain satisfies [10, 12], the third adjustment factor is 0.5 °; when the antenna gain satisfies [13, 15), the third adjustment factor is 1 °; the third adjustment factor is 1.5 ° when the antenna gain satisfies [16, + ∞).
The method and the device adjust the downward inclination angle of the antenna only by using the first adjustment factor, the second adjustment factor and the third adjustment factor; it should be noted that the adjustment factors having the same or similar functions can be included in the scope of the embodiments of the present invention; in addition, there is no fixed sequence among the first adjustment factor, the second adjustment factor, and the third adjustment factor, and the adjustment may be performed based on the second adjustment factor preferentially, or based on the third adjustment factor preferentially, and a specific adjustment process is not described herein again.
According to the embodiment of the invention, the setting of the antenna downward inclination angle is reasonably and quantitatively analyzed through the height of the base station antenna, the reference signal power, the coverage distance, the coverage scene and the antenna gain, and the optimal antenna downward inclination angle is determined.
In this embodiment of the present invention, before step 104, the method for optimizing the coverage of the base station further includes:
and judging whether the current antenna horizontal half-power angle is equal to the optimal antenna horizontal half-power angle or not. Wherein, the current antenna horizontal half-power angle may be the current horizontal half-power angle of the base station.
When the current antenna horizontal half-power angle is determined not to be equal to the optimal antenna horizontal half-power angle, the method for optimizing the coverage area of the base station further comprises the following steps:
determining an antenna horizontal half-power angle reference value according to a coverage scene; judging whether the distance between the adjacent base stations meets a second preset distance range or not; if the second preset distance range is met, determining an adjusting factor corresponding to the preset distance range; taking the maximum value of the adjustment factor corresponding to the preset distance range and the antenna horizontal half-power angle reference value as the optimal antenna horizontal half-power angle; wherein, the coverage further includes: the spacing between adjacent base stations.
It should be noted that the step of determining whether the current antenna downtilt angle is the optimal antenna downtilt angle and the step of determining whether the front antenna horizontal power angle is the optimal antenna horizontal power angle may be performed simultaneously or separately.
According to the embodiment of the invention, the coverage capability of different scenes is respectively improved and the coverage distance is increased by setting the optimal horizontal half-power angle of four comprehensive coverage scenes (Scenario, S) of dense urban areas, general urban areas, rural areas and roads and railways of the existing network.
The antenna horizontal half-power angle reference value corresponding to the coverage scene can be seen in the following table:
wherein the second preset distance range includes: less than 300 meters, 300-400 meters, 400-600 meters, more than 600 meters.
When the Distance (D) between adjacent base stations is less than 300 meters, the corresponding correction factor a is 0 degree; when the spacing between adjacent base stations belongs to (300, 400) meters, the corresponding correction factor a is 30 °; when the spacing between adjacent base stations belongs to (400, 600) meters, the corresponding correction factor a is 60 °; when the distance between adjacent base stations is more than 600 meters, the corresponding correction factor a is 90 degrees; the optimal antenna horizontal half-power angle is MAX (antenna horizontal half-power angle reference value, a).
After the optimal antenna horizontal half-power angle is determined through the distance between the adjacent base stations, the current antenna downward inclination angle can be used for judging whether the optimal antenna horizontal half-power angle needs to be adjusted or not; the method comprises the following specific steps:
judging whether the current antenna downward inclination angle meets a second preset angle range or not;
if the second preset angle range is met, determining an adjusting factor corresponding to the second preset angle range;
and adjusting the optimal antenna horizontal half-power angle (MAX (antenna horizontal half-power angle reference value, a)) according to the adjustment factor corresponding to the second preset angle range, determining the final antenna horizontal half-power angle, and determining the final antenna horizontal half-power angle as the optimal antenna horizontal half-power angle.
Wherein, the second preset angle range includes: less than 10 degrees, 10-15 degrees and more than 15 degrees.
When the downward inclination angle of the current antenna is less than 10 degrees, the adjustment factor b is-5 degrees; when the downward inclination angle of the current antenna belongs to (10 degrees and 15 degrees), the adjustment factor b is 0 degree; the adjustment factor b is +5 ° when the current antenna downtilt angle is greater than 15 °. And adjusting MAX (antenna horizontal half-power angle reference value, a) according to the adjusting factor b to determine the final antenna horizontal half-power angle.
In the embodiment of the invention, the horizontal half-power angle of the antenna is adjusted only by the correction factor a and the correction factor b; it should be noted that, as long as the adjustment factors with the same or similar functions can be included in the scope of the embodiments of the present invention, they are not described herein again.
According to the embodiment of the invention, the antenna weight of the base station is reasonably and quantitatively analyzed through the antenna model, the weight type, the optimal antenna half-power angle, the frequency band and the optimal downtilt angle, the optimal antenna weight parameter is determined, the power of the base station is ensured to be 100%, the lossless output of the power is achieved, the covering capability of the base station is effectively improved, and the covering distance is increased by 15%.
According to the embodiment of the invention, the optimal antenna downward inclination angle, the optimal antenna horizontal half-power angle and the optimal antenna weight are configured by analyzing and counting various data sources in the current network operation network, so that the power utilization rate of the base station is maximized, the coverage capability of a base station cell is rapidly and effectively improved, the coverage distance is increased, and the coverage quality of a wireless network is improved.
In the embodiment of the present invention, after obtaining the optimal antenna weight, the method for optimizing the coverage area of the base station further includes:
step I: optimizing an output tool through the weight parameter, and taking the input parameter as a reference to obtain a reasonable planning weight parameter file;
step II: uploading the antenna weight file to an OMC server by utilizing FTP software so as to facilitate the downloading of a base station;
step III: the base station side downloads the antenna weight file by using the MML command, and activates the antenna weight file to be available at the base station side. Wherein, the MML command is as follows:
DLD BFANTDB:IP＝
"10.217.7.6"，USR＝"user"，PWD＝"***"，SRCF＝"/Ant0526.xml"；
ACT BFANTDB:OPMODE＝DLDFILE；
step IV: configuring antenna weight information for a corresponding cell by using a Man-Machine Language (MML) command on an OMC; wherein, the MML command is as follows:
ADD BFANT:DEVICENO＝0，
MANUFACTORY＝TongYu，CONNSRN＝60，MODELNO＝"XXX"，
TILT＝6，BEAMWIDTH＝65，BAND＝39。
and then, optimizing the coverage range of the base station antenna, improving the overall coverage capability of the base station cell and improving the network quality by using the optimal antenna downward inclination angle, the optimal antenna horizontal half-power angle and the optimal antenna weight.
Fig. 2 is a flowchart of another method for optimizing coverage of a base station according to an embodiment of the present invention. As shown in fig. 2, the method for optimizing the coverage of the base station may include:
step 201: acquiring a coverage parameter; wherein, the coverage parameter includes: the method comprises the following steps of base station antenna height, reference signal power, coverage distance, coverage scene, antenna gain, distance between adjacent base stations, antenna model, weight type and frequency band.
Step 202: determining the downward inclination angle range of the antenna according to the height and the coverage scene of the base station antenna; respectively taking the reference signal power, the coverage distance and the antenna gain as a first adjustment factor, a second adjustment factor and a third adjustment factor; adjusting the downward inclination angle range of the antenna based on the first adjustment factor, the second adjustment factor and the third adjustment factor to obtain the optimal downward inclination angle of the antenna;
specifically, the height of the base station antenna includes the following three values: [15, 25], [26, 35), [35, + ∞). The respective corresponding antenna downtilt ranges are: 8-10 degrees, 10-12 degrees, 12-14 degrees and 14-16 degrees; and
comparing the reference signal power with 15.2dBm, wherein when the reference signal power is larger than or equal to 15.2dBm, the first adjustment factor is 1 degree; when the reference signal power is <15.2dBm, the first adjustment factor is-1 °; and
the second adjustment factor is 0 ° when the coverage distance is <500 meters; the second adjustment factor is 0.5 ° when the TA coverage distance belongs to (500, 1000) meters; the second adjustment factor is 1 ° when the coverage distance belongs to (1000, 2000) meters; the second adjustment factor is 1.5 ° when the coverage distance >2000 meters; and
when the antenna gain is epsilon [10, 12], the third adjustment factor is 0.5 degrees; when the antenna gain belongs to [13, 15), the third adjustment factor is 1 degree; the third adjustment factor is 1.5 when the antenna gain e [16, + ∞ ]); and adjusting the antenna downward inclination angle range based on the first adjustment factor, the second adjustment factor and the third adjustment factor to obtain the optimal antenna downward inclination angle.
Step 203: determining an antenna horizontal half-power angle reference value according to a coverage scene; when the distance between the adjacent base stations meets a second preset distance range, taking the maximum value of the corresponding adjustment factor a and the antenna horizontal half-power angle reference value as an antenna horizontal half-power angle; then when the downward inclination angle of the optimal antenna meets the second preset angle adjusting range, determining a corresponding adjusting factor b; and adjusting the horizontal half-power angle of the antenna according to the adjustment factor b, and determining the horizontal half-power angle of the optimal antenna.
Specifically, when the spacing between adjacent base stations is <300 meters, the adjustment factor a is 0 °; when the distance between adjacent base stations meets (300, 400) meters, the adjustment factor a is 30 degrees; when the distance between adjacent base stations meets (400, 600) meters, the adjustment factor a is 60 degrees; when the distance between adjacent base stations is less than 600 meters, the adjustment factor a is 90 degrees; the antenna horizontal half-power angle is MAX (antenna horizontal half-power angle reference value, a);
when the optimal antenna downward inclination angle meets (-infinity, 10), the adjustment factor b is-5 degrees; when the optimal antenna downward inclination angle satisfies [10, 15], the adjustment factor b is 0 degree; when the optimal antenna downward inclination angle satisfies (15, + ∞), the adjustment factor b is +5 degrees; and finally, adjusting the antenna horizontal half-power angle (namely MAX (antenna horizontal half-power angle reference value, a)) according to the adjustment factor b to obtain the optimal antenna horizontal half-power angle.
Step 204: determining an antenna reference weight parameter according to the antenna model and the weight type; wherein, the antenna reference weight parameter includes: a reference amplitude and a reference phase; determining a corresponding adjusting table according to the frequency band; wherein, the adjustment table includes: an amplitude range and a phase range; and
and respectively matching an amplitude adjustment factor corresponding to the horizontal half-power angle of the current antenna and a phase adjustment factor corresponding to the downward inclination angle of the current antenna.
Specifically, according to the antenna model and in combination with the weight type, an antenna reference weight parameter is matched in a set antenna weight array library
Step 205: and determining the amplitude of the optimal antenna weight according to the amplitude adjustment factor, the reference amplitude and the amplitude range, and determining the phase of the optimal antenna weight according to the phase adjustment factor, the reference phase and the phase range.
According to the embodiment of the invention, the optimal antenna downward inclination angle, the optimal antenna horizontal half-power angle and the optimal antenna weight are configured by analyzing and counting various data sources in the current network operation network, so that the power utilization rate of the base station is maximized, the coverage capability of a base station cell is rapidly and effectively improved, the coverage distance is increased, and the coverage quality of a wireless network is improved.
Fig. 3 is a schematic diagram of an apparatus for optimizing a coverage area of a base station according to an embodiment of the present invention. As shown in fig. 3, the apparatus for optimizing coverage of a base station includes:
an obtaining module 301, configured to obtain a coverage parameter; wherein, the coverage parameter includes: the antenna model and the weight type;
a determining module 302, configured to determine a corresponding adjustment table according to the frequency band; wherein, the adjustment table includes: an amplitude range and a phase range;
the determining module 302 is further configured to determine an antenna reference weight parameter according to the antenna model and the weight type; wherein, the antenna reference weight parameter includes: a reference amplitude and a reference phase;
a matching module 303, configured to match an amplitude adjustment factor corresponding to a horizontal half-power angle of a current antenna and a phase adjustment factor corresponding to a downtilt angle of the current antenna, respectively;
the determining module 302 is further configured to determine the amplitude and the phase of the optimal antenna weight according to the amplitude adjustment factor and the reference amplitude, and according to the phase adjustment factor and the reference phase.
According to the method, the device, the equipment and the medium for optimizing the coverage area of the base station, provided by the embodiment of the invention, the amplitude of the optimal antenna weight is determined through the amplitude adjustment factor, the reference amplitude and the adjustment table corresponding to the frequency band; determining the phase of the optimal antenna weight through a phase adjustment factor, a reference phase and an adjustment table corresponding to the frequency band; wherein, the antenna reference weight parameter includes: the antenna reference weight parameters are determined according to the antenna model and the weight type. The method realizes the maximization of the utilization rate of the power resources of the base station by reasonably configuring the antenna weight of the base station, improves the coverage capability of the base station and increases the coverage distance.
Optionally, the matching module 303 is specifically configured to:
judging whether the current antenna downward inclination angle meets a first preset angle range or not;
if the first preset angle range is met, determining a phase adjustment factor; and
comparing the current antenna horizontal half-power angle with a first preset value;
and determining an amplitude adjustment factor according to the comparison result.
Optionally, the first preset angle range includes: (∞, 6), (∞, 6, 10) and (10, + ∞).
Optionally, the apparatus for optimizing the coverage of the base station further includes: a judgment module;
and the judging module is used for judging whether the current antenna downward inclination angle is equal to the optimal antenna downward inclination angle or not before matching the phase adjustment factor corresponding to the current antenna downward inclination angle.
Optionally, the apparatus for optimizing the coverage of the base station further includes: an adjustment module;
when the current antenna downtilt angle is not equal to the optimal antenna downtilt angle, the coverage parameter further includes: h, base station antenna height, reference signal power, coverage distance and antenna gain;
the determining module 302 is further configured to determine a downward tilt angle range of the antenna according to the antenna height of the base station and a coverage scenario;
the determining module 302 is further configured to determine a corresponding first adjustment factor according to a comparison result between the reference signal power and the second preset value;
the judging module is also used for judging whether the coverage distance meets a first preset distance range; if the coverage range meets the first preset distance range, determining a corresponding second adjustment factor;
the judging module is also used for judging whether the antenna gain meets a preset range; if the antenna gain meets the preset range, determining a corresponding third adjustment factor;
and the adjusting module is used for adjusting the downward inclination angle range of the antenna according to the first adjusting factor, the second adjusting factor and the third adjusting factor to obtain the optimal downward inclination angle of the antenna.
Optionally, the determining module, before matching the amplitude adjustment factor corresponding to the current antenna horizontal half-power angle, is further configured to: and judging whether the current antenna horizontal half-power angle is equal to the optimal antenna horizontal half-power angle or not.
Optionally, the apparatus for optimizing the coverage of the base station further includes; as a module;
if the current antenna horizontal half-power angle is not equal to the optimal antenna horizontal half-power angle, covering the parameters, further comprising: the spacing between adjacent base stations;
a determining module 302, configured to determine an antenna horizontal half-power angle reference value according to a coverage scenario;
the judging module is also used for judging whether the distance between the adjacent base stations meets a second preset distance range or not; if the second preset distance range is met, determining an adjusting factor corresponding to the second preset distance range;
and the module is also used for taking the maximum value in the adjustment factor corresponding to the second preset distance range and the antenna horizontal half-power angle reference value as the optimal antenna horizontal half-power angle.
Optionally, the determining module is further configured to determine whether the current antenna downtilt angle satisfies a second preset angle range;
the determining module 302 is further configured to determine an adjustment factor corresponding to a second preset angle range if the second preset angle range is met;
the determining module 302 is further configured to re-determine the optimal antenna horizontal half-power angle according to the adjustment factor corresponding to the second preset angle range and the optimal antenna horizontal half-power angle.
Optionally, the second preset distance range includes: (∞, 300m), (300m, 400m), (400m, 600m), and (600m, + ∞).
In addition, the method for optimizing the coverage of the base station according to the embodiment of the present invention described in conjunction with fig. 1-2 may be implemented by an apparatus for optimizing the coverage of the base station. Fig. 4 is a schematic hardware structure diagram of a device for optimizing a coverage area of a base station according to an embodiment of the present invention.
An apparatus for optimizing base station coverage may include a processor 401 and memory 402 having stored thereon computer program instructions.
Specifically, the processor 401 may include a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or may be configured as one or more Integrated circuits implementing embodiments of the present invention.
The processor 401 reads and executes the computer program instructions stored in the memory 402 to implement any of the above-described methods for optimizing the coverage of a base station.
In one example, the apparatus for optimizing base station coverage can also include a communication interface 403 and a bus 410. As shown in fig. 4, the processor 401, the memory 402, and the communication interface 403 are connected via a bus 410 to complete communication therebetween.
The communication interface 403 is mainly used for implementing communication between modules, apparatuses, units and/or devices in the embodiments of the present invention.
In addition, in combination with the method for optimizing the coverage of the base station in the foregoing embodiments, the embodiments of the present invention may be implemented by providing a computer-readable storage medium. The computer readable storage medium having stored thereon computer program instructions; the computer program instructions, when executed by a processor, implement any of the above-described embodiments of a method for optimizing base station coverage.
It is to be understood that the invention is not limited to the specific arrangements and instrumentality described above and shown in the drawings. A detailed description of known methods is omitted herein for the sake of brevity. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present invention are not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications and additions or change the order between the steps after comprehending the spirit of the present invention.
The functional blocks shown in the above-described structural block diagrams may be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, plug-in, function card, or the like. When implemented in software, the elements of the invention are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine-readable medium or transmitted by a data signal carried in a carrier wave over a transmission medium or a communication link. A "machine-readable medium" may include any medium that can store or transfer information. Examples of a machine-readable medium include electronic circuits, semiconductor memory devices, ROM, flash memory, Erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, Radio Frequency (RF) links, and so forth. The code segments may be downloaded via computer networks such as the internet, intranet, etc.
It should also be noted that the exemplary embodiments mentioned in this patent describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously.
As described above, only the specific embodiments of the present invention are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.
Claims (10)
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| CN115396904B (en) * | 2021-05-19 | 2023-08-22 | 中国联合网络通信集团有限公司 | Antenna configuration method, device and server |
| CN113727376B (en) * | 2021-09-01 | 2023-09-26 | 中国联合网络通信集团有限公司 | Regional network coverage quality comparison method, device, equipment and medium |
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