# US 2025/0097723 A1 · Systems and methods for optimizing antenna tilt in a cellular site > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0097723 A1 - Document ID: US20250097723A1 - Status: Published application - Kind: A1 - Application number: 18/018,706 - Filed: 2022-12-27 - Published: 2025-03-20 - Earliest claimed: 2022-12-27 - Assignees: Rakuten Symphony, Inc. - Applicants: Rakuten Symphony, Inc - Inventors: Durgesh RATHORE; Sudeep Kumar JAIN; Keshav SHARMA - Web page: https://patentgrep.com/patent/US20250097723A1 ## CPC - H04W 16/28: using beam steering - H01Q 3/005: {using remotely controlled antenna positioning or scanning} - H04W 24/02: Arrangements for optimising operational condition - H04W 56/0045: {compensating for timing error by altering transmission time} - H04W 64/003: {locating network equipment} - H01Q 1/246: {specially adapted for base stations} - H01Q 3/12: using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems - H04W 16/18: Network planning tools - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract Methods and systems for optimizing antenna tilt in a cell site of a radio access network (RAN), the system includes: a memory storing instructions; and a processor configured to execute the instructions to: obtain input data for a source cell and for neighboring cells thereof at a plurality of predetermined geolocations; determine an overlap percentage from the input data obtained at the plurality of predetermined geolocations; determine, for the source cell, at least one TA percentage for at least one distance range from a center of the source cell; determine, based on the determined overlap percentage and the determined at least one TA percentage, that the source cell is outside a predetermined cell coverage area; and recommend, based on the determining that the source cell is outside the predetermined cell coverage area, adjustment of the antenna tilt for the source cell to meet the predetermined cell coverage area. ## Claims ### Claim 1 A system for optimizing antenna tilt in a cell site of a radio access network (RAN), the system comprising: a memory storing instructions; and at least one processor configured to execute the instructions to: obtain input data for a source cell and for neighboring cells thereof at a plurality of predetermined geolocations; determine an overlap percentage of the source cell and the neighboring cells thereof from the input data obtained at the plurality of predetermined geolocations; determine, for the source cell, at least one TA percentage for at least one distance range from a center of the source cell; determine, based on the determined overlap percentage and the determined at least one TA percentage, that the source cell is outside a predetermined cell coverage area; and recommend, based on the determining that the source cell is outside the predetermined cell coverage area, adjustment of the antenna tilt for the source cell to meet the predetermined cell coverage area. ### Claim 2 (depends on 1) The system as claimed in claim 1, wherein the overlap percentage is determined based on one or more predetermined overlap conditions, the one or more predetermined overlap conditions comprising at least one of: a condition that a number of the neighboring cells is greater than or equal to two; and a condition that a number of input data samples is greater than or equal to a predetermined number. ### Claim 3 (depends on 1) The system as claimed in claim 1, wherein the overlap percentage is calculated based on a ratio of a number of input data samples obtained for the source cell at the plurality of predetermined geolocations and a total number of input data samples comprising the input data samples obtained for the source cell at the plurality of predetermined geolocations and input data samples obtained for the neighboring cells of the source cell at the plurality of predetermined geolocations. ### Claim 4 (depends on 1) The system as claimed in claim 1, wherein, in determining the at least one timing advance (TA) percentage for the at least one distance range from the center of the source cell, the at least one processor is configured to execute the instructions to: calculate a first TA percentage based on TA data from TA data samples obtained within a first distance range from the center of the source cell; calculate a second TA percentage based on TA data from TA data samples obtained within a second distance range from the center of the source cell; calculate a third TA percentage based on TA data from TA data samples obtained within in a third distance range from the center of the source cell. ### Claim 5 (depends on 4) The system as claimed in claim 4, wherein in determining that the source cell is outside the predetermined cell coverage area, the at least one processor is further configured to execute the instructions to: determine that the source cell exceeds the predetermined cell coverage area based on: the calculated third TA percentage is greater than 50%; the calculated overlap percentage is greater than 20%; and the calculated second TA percentage is greater than 2%; and recommend antenna down-tilt, for the source cell determined to exceed the predetermined cell coverage area, in case an electrical tilt is below a maximum value. ### Claim 6 (depends on 4) The system as claimed in claim 4, wherein in determining that the source cell is outside the predetermined cell coverage area, the at least one processor is further configured to execute the instructions to: determining that the source cell is a low dominance cell that fails to reach the predetermined cell coverage area based on: the calculated first TA percentage is greater than 50%; the calculated overlap percentage is greater than 30%; and the calculated second TA percentage is greater than 2%; and recommend antenna up-tilt, for the source cell determined to be the low dominance cell, in case an electrical tilt is above a minimum value. ### Claim 7 (depends on 4) The system as claimed in claim 4, wherein the first distance range is between the center of the source cell and less than one kilometer (KM) from the center of the source cell; wherein the second distance range is equal to or greater than one KM from the center of the source cell and less than 1.5 KM from the center of the source cell; wherein the third distance range is equal to or greater than 1.5 KM from the center of the source cell. ### Claim 8 A method for optimizing antenna tilt in a cell site of a radio access network (RAN), the method comprising: obtaining, via a processor, input data for a source cell and for neighboring cells thereof at a plurality of predetermined geolocations; determining, via the processor an overlap percentage of the source cell and the neighboring cells thereof from the input data obtained at the plurality of predetermined geolocations; determining, via the processor, for the source cell, at least one TA percentage for at least one distance range from a center of the source cell; determining, via the processor, based on the determined overlap percentage and the determined at least one TA percentage, that the source cell is outside a predetermined cell coverage area; and recommending, via the processor, based on the determining that the source cell is outside the predetermined cell coverage area, adjustment of the antenna tilt for the source cell to meet the predetermined cell coverage area. ### Claim 9 (depends on 8) The method as claimed in claim 8, wherein the overlap percentage is determined based on one or more predetermined overlap conditions, the one or more predetermined overlap conditions comprising at least one of: a condition that a number of the neighboring cells is greater than or equal to two; and a condition that a number of input data samples is greater than or equal to a predetermined number. ### Claim 10 (depends on 8) The method as claimed in claim 8, wherein the overlap percentage is calculated based on a ratio of a number of input data samples obtained for the source cell at the plurality of predetermined geolocations and a total number of input data samples comprising the input data samples obtained for the source cell at the plurality of predetermined geolocations and input data samples obtained for the neighboring cells of the source cell at the plurality of predetermined geolocations. ### Claim 11 (depends on 8) The method as claimed in claim 8, wherein the determining the at least one TA percentage comprises: calculating, via the processor, a first TA percentage based on TA data from TA data samples obtained within a first distance range from the center of the source cell; calculating, via the processor, a second TA percentage based on TA data from TA data samples obtained within a second distance range from the center of the source cell; calculating, via the processor, a third TA percentage based on TA data from TA data samples obtained within in a third distance range from the center of the source cell. ### Claim 12 (depends on 11) The method as claimed in claim 11, wherein the determining the source cell is outside the predetermined overage area comprises: determining, via the processor, that the source cell exceeds the predetermined cell coverage area based on: the calculated third TA percentage is greater than 50%; the calculated overlap percentage is greater than 20%; and the calculated second TA percentage is greater than 2%; and wherein the recommending the adjustment of the antenna tilt comprises recommending antenna down-tilt, for the source cell determined to exceed the predetermined cell coverage area, in case an electrical tilt is below a maximum value. ### Claim 13 (depends on 11) The method as claimed in claim 11, wherein the determining the source cell is outside the predetermined overage area comprises: determining, via the processor, that the source cell is a low dominance cell that fails to reach the predetermined cell coverage area based on: the calculated first TA percentage is greater than 50%; the calculated overlap percentage is greater than 30%; and the calculated second TA percentage is greater than 2%; and wherein the recommending the adjustment of the antenna tilt comprises antenna up-tilt, for the source cell determined to be the low dominance cell, in case an electrical tilt is above a minimum value. ### Claim 14 (depends on 11) The method as claimed in claim 11, wherein the first distance range is between the center of the source cell and less than one kilometer (KM) from the center of the source cell; wherein the second distance range is equal to or greater than one KM from the center of the source cell and less than 1.5 KM from the center of the source cell; wherein the third distance range is equal to or greater than 1.5 KM from the center of the source cell. ### Claim 15 A non-transitory computer-readable recording medium having recorded thereon instructions executable by at least one processor configured to perform a method for optimizing antenna tilt in a cell site of a radio access network (RAN), the method comprising: obtaining input data for a source cell and for neighboring cells thereof at a plurality of predetermined geolocations; determining an overlap percentage of the source cell and the neighboring cells thereof from the input data obtained at the plurality of predetermined geolocations; determining, for the source cell, at least one TA percentage for at least one distance range from a center of the source cell; determining, based on the determined overlap percentage and the determined at least one TA percentage, that the source cell is outside a predetermined cell coverage area; and recommending, based on the determining that the source cell is outside the predetermined cell coverage area, adjustment of the antenna tilt for the source cell to meet the predetermined cell coverage area. ### Claim 16 (depends on 15) The non-transitory computer-readable recording medium as claimed in claim 15, wherein the overlap percentage is determined based on one or more predetermined overlap conditions, the one or more predetermined overlap conditions comprising at least one of: a condition that a number of the neighboring cells is greater than or equal to two; and a condition that a number of input data samples is greater than or equal to a predetermined number. ### Claim 17 (depends on 15) The non-transitory computer-readable recording medium as claimed in claim 15, wherein the overlap percentage is calculated based on a ratio of a number of input data samples obtained for the source cell at the plurality of predetermined geolocations and a total number of input data samples comprising the input data samples obtained for the source cell at the plurality of predetermined geolocations and input data samples obtained for the neighboring cells of the source cell at the plurality of predetermined geolocations. ### Claim 18 (depends on 15) The non-transitory computer-readable recording medium as claimed in claim 15, wherein the determining the at least one TA percentage comprises: calculating a first TA percentage based on TA data from TA data samples obtained within a first distance range from the center of the source cell; calculating a second TA percentage based on TA data from TA data samples obtained within a second distance range from the center of the source cell; calculating a third TA percentage based on TA data from TA data samples obtained within in a third distance range from the center of the source cell. ### Claim 19 (depends on 18) The non-transitory computer-readable recording medium as claimed in claim 18, wherein the determining the source cell is outside the predetermined overage area comprises: determining that the source cell exceeds the predetermined cell coverage area based on: the calculated third TA percentage is greater than 50%; the calculated overlap percentage is greater than 20%; and the calculated second TA percentage is greater than 2%; and wherein the recommending the adjustment of the antenna tilt comprises recommending antenna down-tilt, for the source cell determined to exceed the predetermined cell coverage area, in case an electrical tilt is below a maximum value. ### Claim 20 (depends on 18) The non-transitory computer-readable recording medium as claimed in claim 18, wherein the determining the source cell is outside the predetermined overage area comprises: determining that the source cell is a low dominance cell that fails to reach the predetermined cell coverage area based on: the calculated first TA percentage is greater than 50%; the calculated overlap percentage is greater than 30%; and the calculated second TA percentage is greater than 2%; and wherein the recommending the adjustment of the antenna tilt comprises antenna up-tilt, for the source cell determined to be the low dominance cell, in case an electrical tilt is above a minimum value.