Basic Path Analysis Tool. Convert decibel-milliwatts to. e. After that, simply tap the calculate button. Directory 2012. Antenna Downtilt Angle Calculator. LTE RNPS Air Interface Overhead Analysis. EP2838289A1 EP12875979. Web-Based RF Calculators From Pasternack Pasternack is known for their wide assortment of RF adapters, attenuators, connectors and cables and has been growing their product line with passive and active components, including 60 GHz microwave systems. 18 0. 4GHz, 7. Therefore, angles of antennas usually refer to azimuth and downtilt angles of directional antennas, as shown in Figure 2-1. txt) or read online for free. Note: If you select a waveguide size from the dropdown below, the broad wall width will be automatically calculated along. Noise Factor to Noise Figure Calculator. g- Two channels, one with a bit rate of 190 kbps and another with a bit rate of 180 kbps, are to be. **Note: All of our calculators allow SI prefix input. It involves physically adjusting the pole-mounting brackets of an antenna by using a digital level against the back of the antenna for an accurate measurement. 901' (default) 'isotropic' Antenna element radiation pattern as described in TR 38. pdf), Text File (. 1 Quick Predict Antenna Tool for Ant18dBi - Free download as Excel Spreadsheet (. 16:42 Feb 12, 2002. ”. Antenna Downtilt and Coverage Calculator This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them. A typical collinear with 5 dBd gain has approximately a 14 degree vertical beamwidth. Here’s some of what’s available that might interest broadcast engineers: antenna downtilt calculator, balanced attenuator calculator, cascaded noise figure calculator, coaxial cable impedance calculator, RF power. 8e9,0,1:1:360) bw = 57. 3. Check your answer using the percentage increase calculator. 15. Base Antenna Height (Hb) Feet. Antenna Downtilt Calculator used to determine the approximate downward angle, measured in degrees, that the transmitting antenna is to be positioned at for optimal signal strength and coverage. Antenna Downtilt Calculator. • Total Downtilt = Electrical DT + Mechanical DT • Install antenna with accurate mechanical downtilt per calculations • Test and adjust if needed 37 RF Cables • PIM - PIM is defined as the unwanted signal or signals generated by the non-linear mixing of 2 or more frequencies • High PIM means poor reception and limited bandwidth to the. This antenna tilt angle calculator also provides, given a beamwidth, the inner and outer. yaro82. 2. ca Antenna Height: 75ft Antenna Beamwidth: 7° Downtilt (°) Inner Radius (miles/km) Outer Radius (miles/km) 0 0. S. xlsx), PDF File (. Page ID. Kathrein's 742 234 is a 2-multi-band panel dual polarization half-power beam width adjust. SLA uptime and downtime calculator. It works the same way as the 5-key time value of money calculators, such as BA. 6214 miles. Tems-Coordinate-Converter. 5∘ of total downtilt. As shown above, the 400 MB video file will finish downloading in less than 11 minutes over a stable 5 Mbps connection. S. Inputs. 15 0. Antenna Downtilt and Coverage Calculator - Electrical Engineering & Electronics Tools. Basic Path Analysis Tool. 14 miles. Pasternack's Antenna Downtilt Calculator (aka Antenna Tilt Angle Calculator) is used to determine the approximate downward angle, measured in degrees, Homework Support Solutions Homework Support Solutions is a great way to get help with your homework. txt) or read online for free. DBm to Watt: Tool to convert the dBm to Watt unit 3. Optimal downtilt was found by applying a constant tilt to all cells in the network. , changing the phase of each element electrically) to tilt the radiated beam, as shown in Figure 23. Link Budget CDMA. λ indicates the signal's wavelength in the medium, usually given in meters. See the NIST outdoor propagation calculator PropCalc for a comparison of several empirical propagation loss models. This calculator will determine the correct antenna downtilt angle given the heights of the antennas and the distance between them. 361999679. Antenna Downtilt Calculator. 9 % uptime/availability results in the following periods of allowed downtime/unavailability: . 0. Section 7: Detailed Parameter Planning: Physical Cell ID (PCI) Planning PCI Collision Free Principle PCI Confusion Free. WCDMA Link Budget. 29 Over Horizon Over Horizon 2 0. As shown previously, the antennas horizontal beamwidth has little effect on downtilting and is excluded from calculation. Enter. pdf), Text File (. )Plot the radiation pattern of a dipole antenna operating at 75 MHz. Mitofsky. 17 1. If the inclination is up (very rare and extreme cases), we call ‘uptilt’. The system will then calculate the distance or the angle for you. According to the standard definition, “The angular separation, in which the magnitude of the radiation pattern decreases by 50% (or -3dB) from the peak of the main beam, is the Half Power Beam Width . Calculate the lengths of RG-58 (Velocity Factor =0. Four main factors which differentiate antennas are frequency response, impedance, directivity, and electromagnetic polarization. - Pi Attenuator Calculator. pdf. The total score summed from all leaves is used to calculate the uncertainty of this instance. dBm Converter dBm (decibel-milliwatts) conversion calculator. When using a magnetic compass keep away from metal. Antenna Height (H in feet) Downtilt Angle (A) Vertical Beamwidth (BW) Calculate. 3. The Tee attenuator consists of one series resistor at the input and two parallel, one of which is grounded while the other goes to output. When the antenna is tilted down, we call it ‘downtilt’, which is th. The method includes: receiving statistical information and a first count that are sent by a base station; establishing at least one coverage cluster; calculating cluster values of all the coverage clusters; acquiring an. 23 mi 0. U. 2A EP12875979A EP2838289A1 EP 2838289 A1 EP2838289 A1 EP 2838289A1 EP 12875979 A EP12875979 A EP 12875979A EP 2838289 A1 EP2838289 A1 EP 2838289A1 AuthorityEP2838289B1 EP12875979. 0. In particular, applying the optimal antenna downtilt can delay the ASE crash by nearly one order of magnitude in terms of the base station density. I also shook the cobwebs off my algebra and came up with a nifty Down-Tilt Frame. S. In order to determine what the math problem is, you will need to look at the given information and find the key details. If you desire vertical beam downtilt, cut the elements 2% shorter, than the length calculated in step 1, for 3° of downtilt. The system designer can use mechanical (e. Pasternack's RF Calculators and Conversions section provides engineers valuable and easy-to-use tools ranging from complex mathematical formulas to simple conversions. -178 4. Downtilt Calculator - Free download as Excel Spreadsheet (. 901 supersedes TR 38. Andrea M. desa watu agung. The answer is the percent increase. exe. Use the conversion ratio to complete the unit conversion, basically dividing the input by 1, the ° units cancel out, and we are left with rad units. 63 mi 2. Cut lengths of coax approximately 7/8" longer than the brass element tube. This means that the RAM can be used to predict coverage of wireless radio signal in areas dominated by rain. Online Calculators How to Buy Calculations: Downtilt Coverage Radius The downtilt coverage radius can be calculated by the formula listed below, which takes half of the antenna beamwidth in each direction of the downtilt angle from the height of the antenna. Add to My Products Lists. using polarpattern and specify a title to the plot. RF Calculators & Conversions. 29 Over Horizon Over Horizon 2 0. then divide both sides of the equation by rad, to get the conversion ratio. This Tool will provide you 5 Items calculation as below: 1. Noise Temperature to Noise Figure Converter. Built-in antennas are optimized for horizontal ceiling mounted orientation of the AP. This radio horizon vs. The 5G New Thinking (5GNT) DCMS funded 5G T&T project commenced in May 2020, this will be building upon the many achievements and learnings gained from the 5G RuralFirst (5GRF) project Phase 1 and Phase 2, which ran from June 2018 up until September 2019. Direitos autorais: Attribution Non-Commercial (BY-NC) Formatos disponíveis. factor antenna downtilt calculator pasternack vswr calculator reflection coeffecient calculator return rf calculators everything rf pi and tee attenuator calculator everything rf watts to dbm. Most of the time, the cells work normally in real cellular networks, and the network fault is a rare event, therefore the gathered fault data are often imbalanced. SLA level of 99. Procuct Brochure. *Results of this calculation are to be used simply. 0 Tutorial. U. Additionally, it can save money by. RF Calculator. Andrea M. 2. 901 supersedes TR 38. Wide Profile Antenna Downtilt Mounting Kit for 2. Thomas, Eugene Visotsky, Frederick W. 15 0. The results presented by this calculator are based on input values and basic theoretical principles of wireless. 66) required for each dipole. 18 0. yaro82. Distance from front of antenna to parapet wall or edge of roof : Electrical or Mechanical Downtilt of Antenna (in degrees): Vertical beamwidth of antenna (in degrees): Height of parapet wall (leave blank if none): HEIGHT NEEDED TO CLEAR EDGE: Antenna Placement Distance Calculator 40 feet 4 deg 6 deg 4 feet 8. Online Calculators How to Buy Calculations: Downtilt Coverage Radius The downtilt coverage radius can be calculated by the formula listed below, which takes half of the antenna beamwidth in each direction of the downtilt angle from the height of the antenna. Get Images Library Photos and Pictures. Calculator. The Radar Designer app is an interactive tool that assists engineers and system analysts with high-level design and assessment of radar systems at the early Determine math questions. Antenna beamwidth is the angular measure of the antenna pattern coverage. xlsx), PDF File (. Jump to Page . 5. If the object has uniform density, the center of mass is the geometric center of the object, which is called the centroid. Wide Profile Antenna Downtilt Mounting Kit for 2. **Note: Like our stripline impedance calculator, all of our RF calculators allow SI prefix input. Open navigation menu The effect of downtilt in RF coverage and signal strength is discussed in this section. 5 in (60 - 115 mm) OD round members. Use the beamwidth function to calculate the beamwidth of the antenna. primary scrambling code (PSC), and the. The downside of this method is that it will create an effect called pattern blooming, which. 10 0. The default value indicates that the broadside direction of the array points to the positive x-axis. If the dielectric constant of the material is not known, you can choose to put in the velocity of. figure b-6: downtilt calculator example figure b-7: mechanical vs electrical downtilt figure b-8: polarization figure c-1: pci planning figure c-2: pss and sss (1 of 2) figure c-3: pss and sss (2 of 2) figure c-4: example of pci usage calculation list of tables table 2-1: mib and sib broadcast. Dictionary meaning of tilt is "incline or bend from vertical position". 1 mile = 1. Our theoretical and numerical results show that after applying the optimal antenna downtilt, the network performance can be improved significantly. Antenna Design Ysis And Simulation 2017 11 29. Antenna Design Ysis And Simulation 2017 11 29 Microwave Journal. Dears, Please do you have Advanced Down-Tilt Tool (Macro or exe file, etc) That calculate required Down-Tilt values to cover X Meters but to be advanced that take in considerations: Operating Freq. Trine University. Omni’s can be useful but the area of coverage vs. Procuct Brochure. Multiply the result by 100. antenna height must be closely matched. Antenna Downtilt Calculator. ° (degree) Inner Coverage Radius. Simple trigonometry is used to calculate the downtilt angle DT in degrees. Receiver Height. 3 for 42 – 115 mm diameter. Calculate the lengths of RG-58 (Velocity Factor=0. An Antenna Downtilt and Coverage Calculator, or Antenna Tilt Calculator, aids the user by providing an approximate downward angle at which to install a. Antenna downtilt calculator. Note: If you select a waveguide size from the dropdown below, the broad wall width will be automatically calculated along with the other results. Outputs. 25 hours. in the rf other, antennas category. The downtilt coverage radius can be calculated by the formula listed below, which takes half of the antenna beamwidth in each direction of the downtilt angle from the height of. Dorbert N3ST . Tacacs Radius - Free download as Word Doc (. (Note that TR 38. 8e9,0,1:1:360) bw = 57. Remove the outer jacket and shield from the coax and slide the dielectric and center conductor into the brass tube. This is the easiest and fastest way to control an antenna’s pattern, but the downside is that. dBm to Watt: Tool to convert the dBm to Watt unit. Download Free PDF. Frequency. The omni antenna is usually a vertically polarized antenna, so you cannot have advantages of using cross polarization. This article covers some frequently asked questions regarding the use and capabilities of. 0° Vertical Beamwidth Angle Antenna Downtilt Angle Antenna main lobe-3dB-3dB Inner cell radius Outer cell radius Calculator for Downtilts Input data Calculated Antenna configuration and characteristics Antenna type Antenna height 1 10 742215 20 Antenna height Downtilt (electrical) Downtilt (mechanical) Vert. 1 ° ÷ 57. txt) or read online for free. Email support availble to premium users. The calculator provides an estimate of the isolation provided by two vertically separated antennas. Learn how to plan for antenna downtilt and how to ensure installations are done correctly. The Antenna Downtilt and Coverage Calculator (aka Antenna Tilt Angle Calculator) is used to determine the approximate downward angle, measured in degrees, which the transmitting antenna is to be positioned for optimal signal strength and coverage. xls), PDF File (. This calculator will help you determine the approximate downward angle (degrees) for a transmitting antenna in order to propagate signals with optimal strength and coverage. 62 km 5 0. The system will then calculate the distance or the angle for you. Reset. 5 x "4G vertical 3 dB beamwidth" = 5G mechanical downtilt + 5G CSI-RS beam envelope tilt where: • Before using this method to plan the NR downtilt, check whether the LTE downtilt is planned based on the principle of "Upper 3 dB pointing to the cell edge". 901' (default) 'isotropic' Antenna element radiation pattern as described in TR 38. 00 feet, antenna height Answer 14. dollar in different years. . The antenna has an azimuth angle of 1:1:360 degrees, an elevation angle of 0 degrees on the X-Y plane, and a dB down value of 5 dB. Most of the time, the cells work normally in real cellular networks, and the network fault is a rare event, therefore the gathered fault data are often imbalanced. Katrein - Tilt Calculator programme; If this is your first visit, be sure to check out the FAQ by clicking the link above. 25 hr. To convert ° to rad, use the conversion factor. Diameter (d) Wavelength (λ) Aperture Efficiency (eA) Calculate. There is also a Forward Flat Rate Inflation Calculator and Backward. 24 Over Horizon Over Horizon 3 0. Share. Caixa de ferramentas para infras autônomas e provedores comunitários - caixadeferramentas/ferramentas. Dorbert N3ST . Formula of Downtilt Calculator The formula utilized by the Downtilt Calculator is: Downtilt Angle (θ) = arctan ( (H2 – H1) / D) Where: This calculator determines the correct antenna downtilt angle given the heights of the antennas and distance between them. 0. It assumes there is nothing between the radio signals and the antenna horizon. Only users authorized by UScellular may access this system. 4. In fact, striplines often make components such as band-pass filter's more accurately, with more symmetric roll-off and no lower cutoff frequency. Search inside document . Conical gain horn antennas are used in a variety of applications due to their high power handling capability constant electrical performance across a broad bandwidth. This Tool will provide you 5 Items calculation as below: 1. This angle, measured in degrees, influences the coverage area and signal strength of the antenna. Mounting bracket for cylindrical pipe installations (60-115mm pipe diameter) for fix mechanical tilt applications. This calculator will determine the correct antenna downtilt angle given the heights of the antennas and the distance between them. Besides the downward angle, this tool will also give you the inner and outer radii of coverage given the antenna's beamwidth. 12 0. Touch device users, explore by touch or with swipe gestures. In the video below, we explain how to calculate the coverage area of the antenna, taking into account the height of the antenna and its radiation characteristics. With the tilt, we direct irradiation further down (or higher), concentrating the energy in the new desired direction. 91138 feet Antenna. Antenna Downtilt Angle Calculator Antenna Near Field Distance Calculator Line of Sight Calculator; Popular Calculators dBm to Watts Calculator Watts to dBm Calculator Patch Antenna Calculator RF Attenuator Calculator VSWR Calculator Radar Range Calculator; Advertisement. Nyankoye Apollinaire Loua. Jump to Page . 5 in (60 - 115 mm) OD round members. Outer Coverage Radius. The antenna downtilt and coverage calculator (also known as antenna tilt angle calculator) is used to determine the approximate downward angle, measured in degrees, which the transmitting antenna is to be positioned. xlsx), PDF File (. download time = 640 seconds = 10 minutes and 40 seconds. 2196_dp. Latitude of data point in Decimal Degrees (ex. This calculator determines the correct antenna downtilt angle given the heights of the antennas and distance between them. Please note that this calculator is only valid for far-field calculations. All of our tools covering finance, education, health, cooking, and more are free to use! Our easy to use calculators deliver fast, reliable results on any device. Nastar V6 Discovery V2. Downtilt Calculator. Downtilt can be accomplished using the following methods: Mechanical downtilt: This process involves physically adjusting an antenna’s pole-mount brackets, using a digital. 17 1. docx), PDF File (. everything RF has created a series of RF calculators to help engineers and students with common calculations that they need to conduct frequently. Efficiency (k) %. Figure 5. * 안테나의 3dB 빔폭 (수직)을 기준으로 커버리지 거리를 계산. The Antenna downtilt angle calculator calculates distance from tilt angle and tilt angle from horizon distance. Antenna Tilt Mechanical Vs Electrical Techplayon. The calculator is a spreadsheet that accepts VSWR specifications for all the components in your RF Path—tower mounted amplifiers, diplexers, bias tees, etc. A D T = t a n − 1 (h T − h R D. Legal disclaimer: This calculator is designed to be an informational and educational tool. Enviado por yaro82. Create a default dipole antenna. Download. The vector elements specify the bearing, downtilt, and slant, respectively. Downtilt Coverage Radius. Numerically solvable expressions are derived for such optimal antenna downtilt, which is a function of the BS density. angles = 1×2 60 117. Accurately calculating "Downtilt" By Bryan K. Arch Architecture. phase shift calculator phase shift formula rf wireless world Jan 15 2022 web phase shiftThe simulator only calculates mechanical downtilt. 4: Antenna Characteristics. Reset. ANTENNA DOWNTILT COVERAGE CALCULATOR Coverage Calculator is used to determine the estimate downward angle, measured in degrees, which the transmitting. WCDMA Link Budget. For downlink physical channels, a total of 218-1 =. The Antenna downtilt angle calculator calculates distance from tilt angle and tilt angle from horizon distance. Wavelength Calculator: Calculate the wavelength of frequency 4. The Okumura-Hata Free Space Propagation Model (FSPM) was simulated in the same manner and used to validate the results of the RAM. 2. Link Calculator 2. They can not reflect all aspects of real installation. Simply select the quantity of convergence points, adjust the length and select the cable from the menu to create a bill of materials will be generated - showing the minimum amount of items required to configure a system. Where: r represents the radius of the first Fresnel zone. Return Rate. downtilt. 12 0. net's sole focus is to provide fast, comprehensive, convenient, free online calculators in a plethora of areas. yaro82. Downtilt Coverage Radius - Free download as Excel Spreadsheet (. A GSM antenna operating at 900MHz consists of eight stacked dipole antennas (3/4λ apart) fed by an ordinary corporate feed, producing a broadside radiation pattern. )With downtilt, the beamwidths are manipulated to provide more coverage below the antenna than above the antenna. 29 Over Horizon Over Horizon 2 0. Finally, click calculate and voila, the Far Field Distance Calculator will generate the optimal distance for speaker placement. Given by: r = n × λ + d 1+ d 2 n × λ × d 1× d 2 . Edit 2: After finding the source code for this move, and studying up on how to calculate hitstun, I have more or less verified these findings (i. 3048 meters , 1. Reset. pdf), Text File (. Downtilt Calculator ; Subscribe To Our Newsletter. Outer Coverage Radius. Downtilt Angle (A) Vertical Beamwidth (BW) Calculate. **Note: All of our calculators allow SI prefix input. The total score summed from all leaves is used to calculate the uncertainty of this instance. If you have no particular preference within a given ham radio band, then simply enter its center frequency (i. variants. Working of This Calculator: Following is the input guide that will help you to know how to use this SOHCAHTOA triangle calculator: Input: Among 6 input fields, enter only two in their respective fields; After that, simply tap the calculate button; Output: The calculator employs SOHCAHTOA to find angles and sides of the triangle ratios entered. Frequency to Test(MHz) Vertical Separation (Unit of Measure) Note: The values indicated above are approximate because of coupling which exists between the antenna and tower transmission line. Reset. 0000. Accurately calculating "Downtilt" By Bryan K. 4. Which is the correct azimuth for a satellite dish? The dish pointing calculator gives the required azimuth angle both relative to true north and relative to magnetic compass north. Parabolic Reflector Calculator. 9dBd gain antenna for a frequency of 155 MHz. Loss increases with distance, so understanding the FSPL is an essential parameter for engineers dealing with RF communications systems. DESCRIPTION; ALL VARIANTS @ Advertisement Remove ads, dark theme, and more with Premium. d = dipole; fc = 75e6; Calculate its directivity at 75 MHz. Open navigation menuThe effect of downtilt in RF coverage and signal strength is discussed in this section. is dustproof and water-resistant. 3dBi in 6GHz. This is a required field. Beamwidth angle is measured in plane containing the direction of main lobe of the antenna. (10. 0 kg 3. Following is the input guide that will help you to know how to use this SOHCAHTOA triangle calculator: Input: Among 6 input fields, enter only two in their respective fields. Dictionary meaning of tilt is "incline or bend from vertical position". ft. 3. It also provides, given a beamwidth, the inner and outer radii of beam's coverage. 8192 codes are divided into 512 groups, each of which. Finally, a comparison of antenna patterns in cartesian vs. beamtilt calculator estimates your radio antenna beam downtilt options based on antenna height above average terrain (HAAT) and vertical beamwidth. 04. Antenna Beam Tilt Calculator Posted on February 26, 2021 by Sandra Downtilt how to set it rhombic antennas finding dish offset angle antenna calculators design rhombic antennas Downtilt Calculator - Free download as Excel Spreadsheet (. Electrical downtilt enables a uniform reduction in coverage, as it prevents pattern blooming from occurring. Get HUAWEI WATCH GT 2 screen and battery replacement, download. In fact, striplines often make components such as band-pass filter's more accurately, with more symmetric roll-off and no lower cutoff frequency. You are on page 1 of 2. ANTENNA DOWNTILT CALCULATOR Antenna Height: 75ft Antenna Beamwidth: 7° Downtilt (°) Inner Radius (miles/km) Outer Radius (miles/km) 0 0. 60. NOKIA SIEMENS NETWORKS. PDFIf you find that the Calculator app is installed but not running, you can run the Windows Store troubleshooter. Here is how: Settings app >> Update & security >> Troubleshoot >> Additional Troubleshooters. Scribd is the world's largest social reading and publishing site. 1 rad = 57. Wavelength Calculator: Calculate the wavelength of frequency. Gustavo Cruz Saldaña. Downtilt Coverage Radius. In the video below, we explain how to calculate the coverage area of the antenna, taking into account the height of the antenna and its radiation characteristics. 20 Over Horizon Over Horizon 4 0. Wide Profile Antenna Fixed Tilt Mounting Kit for 2. Setting The Downtilt On Your Telrad Lte Sector Steve Discher. Compared to utilization of a static network-wide downtilt angle, dynamically chang-ing downtilt angle can further boost the system capacity by 20–30% under certain circumstances [14]. Beamwidth ° (degrees) Outputs. [bw, angles] = beamwidth (hx,1. Kathrein Tool for Antenna. ) Packing size 2856 x 282 x 182 mm. 60934Km , 1 Km = 0. This will equal the length of each leg of the antenna. EP2838289B1 EP12875979. Four main factors which differentiate antennas are frequency response, impedance, directivity, and electromagnetic. Join us on the fascinating history of the calculator! Make math easy with our online calculator and conversion site. Pasternack's Power Density Calculator is designed to give the power density, in Watts per square meter, at a given distance, output power and antenna gain. In this paper, we verify the effect of antenna downtilt angle on channel capacity through simulations of four fixed antenna downtilt angles, 90, 96, 99, and 102 degrees under the conditions that. com Antenna Height: 75ft Antenna Beamwidth: 7° Downtilt (°) Inner Radius (miles/km) Outer Radius (miles/km) 0 0. The antenna downtilt and coverage calculator (also known as antenna tilt angle calculator) is used to determine the approximate downward angle, measured in degrees, which the transmitting antenna is to be positioned for optimal signal strength and coverage. Diameter (D) of Antenna m. Frequency. Unit Type . 6 table 2-2: ecm connection, part table 2-3: eps. To find out how long to make each leg of a Dipole antenna, dividing the frequency in MHz into 468 will give the overall length. For example, if you wish to input "25000000", just type "25M" instead. Log On. Antenna Downtilt Calculator - Free download as Excel Spreadsheet (. ft. 1. 0 kg 1. pdf), Text File (. Step 4. The default value indicates that the broadside direction of the array points to the positive x-axis. hi all that is E** downtilt calculator; Integration 2G BTS using NetAct_RNW; ICS Telecom Main User Points for LMDS v4 Plan; Question MCOM Problem . It also mentions formula or equations used in these antenna tilt angle calculators. The method includes: receiving statistical information and a first count that are sent by a base station; establishing at least one coverage cluster; calculating cluster values of all the coverage clusters; acquiring an. 3 Imbalanced learning.