# US 12,225,391 B2 · Methods and apparatus to mitigate coexistence interference in a wireless network > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,225,391 B2 - Document ID: US12225391B2 - Status: Granted - Kind: B2 - Application number: 17/688,688 - Filed: 2022-03-07 - Published: 2022-09-22 - Granted: 2025-02-11 - Earliest claimed: 2022-03-07 - Assignees: Intel Corporation - Applicants: Intel Corporation - Inventors: Yuval Elad; Daniel F. Bravo; Shimon Solodkin - Web page: https://patentgrep.com/patent/US12225391B2 ## CPC - H04W 24/02: Arrangements for optimising operational condition - H04W 52/146: {Uplink power control} - H04B 17/345: Interference values ({signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]} H04B17/336) - H04W 52/267: {taking into account the information rate} - H04W 52/367: {Power values between minimum and maximum limits, e.g. dynamic range} - H04W 72/02: Selection of wireless resources by user or terminal - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 84/12: WLAN [Wireless Local Area Networks] - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION ## Abstract Methods and apparatus to mitigate coexistence interference in a wireless network are disclosed. An example apparatus includes a station component interface to receive an expected transmission power from an access point; an index processor to determine a set of preferred resource unit (RU) indexes from a set of available RU indexes for at least one of (A) uplink transmission to the access point based on a comparison of allowable transmission power and the expected transmission power or (B) downlink reception based on a comparison of a noise floor to a noise threshold; and the station component interface to transmit a message including the preferred RU indexes to the access point. ## Claims ### Claim 1 An apparatus to mitigate coexistence interference in a wireless network, the apparatus comprising: an index processor to determine a set of preferred resource unit (RU) indexes from a set of available RU indexes for at least one of (A) an uplink transmission to an access point based on a comparison of allowable transmission power and an expected transmission power or (B) a downlink reception based on a comparison of a noise floor and a noise threshold; a station condition analyzer to determine a data success rate corresponding to the preferred RU indexes for the at least one of the uplink transmission or the downlink reception; and the index processor to at least one of (a) add at least one additional RU index to the preferred RU indexes when the data success rate is above a threshold or (b) remove at least one RU index from the preferred RU indexes when the data success rate is below the threshold. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the station condition analyzer is to determine at least one of (A) the allowable transmission power of each of the available RU indexes or (B) the noise floor of each of the available RU indexes. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the index processor is to determine the set of preferred RU indexes based on whether the allowable transmission power satisfies the expected transmission power. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the station condition analyzer is to determine whether a bandwidth requirement for transmission is satisfied. ### Claim 5 (depends on 4) The apparatus of claim 4, further including: a packet generator to, when the station condition analyzer determines that the bandwidth requirement is not satisfied, generate a message including an expanded bandwidth of the preferred RU indexes; and a station component interface to cause transmission of the message to the access point. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein the index processor is to determine the set of preferred RU indexes from the set of available RU indexes for the uplink transmission by, when the allowable transmission power is more than the expected transmission power, including an RU index in the set of preferred RU indexes for the uplink transmission. ### Claim 7 (depends on 1) The apparatus of claim 1, wherein the index processor is to determine the set of preferred RU indexes from the set of available RU indexes for the downlink reception by, when the noise floor is less than the noise threshold, including an RU index in the set of preferred RU indexes for the downlink reception. ### Claim 8 (depends on 1) The apparatus of claim 1, further including a station component interface to: receive the expected transmission power from the access point; and cause transmission of a message including the preferred RU indexes to the access point. ### Claim 9 An apparatus to mitigate coexistence interference in a wireless network, the apparatus comprising: memory; computer readable instructions; and processor circuitry to execute the computer readable instructions to: select a set of preferred resource unit (RU) indexes from a set of available RU indexes for at least one of (A) an uplink transmission based on a comparison of allowable transmission power and an expected transmission power or (B) a downlink reception based on a comparison of a noise floor and a noise threshold; determine a data success rate corresponding to the preferred RU indexes for the at least one of the uplink transmission or the downlink reception; and at least one of (a) increase a range of the preferred RU indexes by adding RU indexes when the data success rate is above a threshold or (b) decrease the range of the preferred RU indexes by removing RU indexes when the data success rate is below the threshold. ### Claim 10 (depends on 9) The apparatus of claim 9, wherein the processor circuitry is to determine at least one of (A) the allowable transmission power of each of the available RU indexes or (B) the noise floor of each of the available RU indexes. ### Claim 11 (depends on 9) The apparatus of claim 9, wherein the processor circuitry is to select the set of preferred RU indexes based on whether the allowable transmission power satisfies the expected transmission power. ### Claim 12 (depends on 9) The apparatus of claim 9, wherein the processor circuitry is to determine whether a bandwidth requirement for transmission is satisfied. ### Claim 13 (depends on 12) The apparatus of claim 12, wherein the processor circuitry is to, when the bandwidth requirement is not satisfied, generate an updated message including an expanded bandwidth of the preferred RU indexes and transmitting the updated message to an access point. ### Claim 14 (depends on 9) The apparatus of claim 9, wherein the processor circuitry is to select the set of preferred RU indexes from the set of available RU indexes for the uplink transmission by including an RU index in the set of preferred RU indexes for the uplink transmission in response to determining that the allowable transmission power is more than the expected transmission power. ### Claim 15 (depends on 9) The apparatus of claim 9, wherein the processor circuitry is to select the set of preferred RU indexes from the set of available RU indexes for the downlink reception by including an RU index in the set of preferred RU indexes for the downlink reception in response to determining that the noise floor is less than the noise threshold. ### Claim 16 (depends on 9) The apparatus of claim 9, wherein the processor circuitry is to: obtain the expected transmission power from an access point; and cause transmission of a message including the preferred RU indexes to the access point. ### Claim 17 A non-transitory computer readable medium including instructions which, when executed, cause a station to at least: determine preferred resource unit (RU) indexes for at least one of (A) an uplink transmission based on a comparison of allowable transmission power and an expected transmission power or (B) a downlink reception based on a comparison of a noise floor and a noise threshold; determine a data success rate corresponding to the preferred RU indexes for the at least one of the uplink transmission or the downlink reception; and at least one of (a) add a first RU index to the preferred RU indexes when the data success rate satisfies a threshold or (b) remove a second RU index from the preferred RU indexes when the data success rate does not satisfy the threshold. ### Claim 18 (depends on 17) The computer readable medium of claim 17, wherein the instructions cause the station to determine at least one of (A) the allowable transmission power of each of available RU indexes or (B) the noise floor of each of the available RU indexes. ### Claim 19 (depends on 17) The computer readable medium of claim 17, wherein the instructions cause the station to determine the preferred RU indexes based on whether the allowable transmission power satisfies the expected transmission power. ### Claim 20 (depends on 17) The computer readable medium of claim 17, wherein the instructions cause the station to determine that a bandwidth requirement for transmission is satisfied. ### Claim 21 (depends on 20) The computer readable medium of claim 20, wherein the instructions cause the station to, when the bandwidth requirement is not satisfied, generate an updated message including an expanded bandwidth of the preferred RU indexes and transmit the updated message to an access point. ### Claim 22 (depends on 17) The computer readable medium of claim 17, wherein the instructions cause the station to determine the preferred RU indexes for the uplink transmission by, when the allowable transmission power is determined to be more than the expected transmission power, including a third RU index in the preferred RU indexes for the uplink transmission. ### Claim 23 (depends on 17) The computer readable medium of claim 17, wherein the instructions cause the station to determine the preferred RU indexes for the downlink reception by, when the noise floor is determined to be less than the noise threshold, including a third RU index in the preferred RU indexes for the downlink reception. ### Claim 24 (depends on 17) The computer readable medium of claim 17, wherein the instructions cause the station to: obtain the expected transmission power from an access point; and cause transmission of a message including the preferred RU indexes to the access point.