# US 11,910,422 B2 · Methods and apparatuses for self-interference processing > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,910,422 B2 - Document ID: US11910422B2 - Status: Granted - Kind: B2 - Application number: 17/289,886 - Filed: 2018-10-30 - Published: 2021-12-30 - Granted: 2024-02-20 - Earliest claimed: 2018-10-30 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Wei Hong - Web page: https://patentgrep.com/patent/US11910422B2 ## CPC - H04W 72/1215: {for collaboration of different radio technologies} - H04W 72/541: using the level of interference - H04B 1/525: with means for reducing leakage of transmitter signal into the receiver - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 72/51: based on terminal or device properties - H04W 72/20: Control channels or signalling for resource management - 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 The present disclosure provides a method and apparatus for self-interference processing. The method being applied to a base station, and including: determining that a terminal has a self-interference processing capability, wherein the self-interference processing capability is achieved through an autonomous denial functionality; configuring a first autonomous denial parameter for achieving the self-interference processing capability for the terminal; and sending the first autonomous denial parameter to the terminal, so that the terminal performs a corresponding self-interference processing according to the first autonomous denial parameter. ## Claims ### Claim 1 A method for self-interference processing, applied to a base station, and comprising: determining that a terminal has a self-interference processing capability, wherein the self-interference processing capability is achieved through an autonomous denial functionality; configuring a first autonomous denial parameter for achieving the self-interference processing capability for the terminal; sending the first autonomous denial parameter to the terminal, so that the terminal performs a corresponding self-interference processing according to the first autonomous denial parameter; receiving a second autonomous denial parameter sent by the terminal, wherein the second autonomous denial parameter is a parameter for achieving the self-interference processing capability recommended by the terminal; in response to choosing, according to the second autonomous denial parameter, to adjust the first autonomous denial parameter, obtaining an adjusted third autonomous denial parameter by adjusting the first autonomous denial parameter according to the second autonomous denial parameter; and sending the third autonomous denial parameter to the terminal, so that the terminal stops performing the self-interference processing according to the first autonomous denial parameter, but performs the self-interference processing according to the third autonomous denial parameter. ### Claim 2 (depends on 1) The method according to claim 1, wherein determining that the terminal has the self-interference processing capability comprises: receiving radio access capability report information sent by the terminal, wherein the radio access capability report information comprises first information for indicating that the terminal has the self-interference processing capability; and determining that the terminal has the self-interference processing capability, according to the first information. ### Claim 3 (depends on 2) The method according to claim 2, wherein receiving the radio access capability report information sent by the terminal comprises: receiving a transmitted first radio resource control (RRC) signaling, wherein the first RRC signaling comprises the radio access capability report information; and acquiring the radio access capability report information from the first RRC signaling. ### Claim 4 (depends on 1) The method according to claim 1, wherein the first autonomous denial parameter comprises at least one of following parameters: a number of subframes designated for autonomous denial; time designated for autonomous denial; or a carrier designated for autonomous denial. ### Claim 5 (depends on 1) The method according to claim 1, wherein sending the first autonomous denial parameter to the terminal comprises: adding the first autonomous denial parameter to a second RRC signaling; and sending the second RRC signaling to the terminal, so that the terminal acquires the first autonomous denial parameter from the second RRC signaling. ### Claim 6 (depends on 1) The method according to claim 1, wherein the third autonomous denial parameter is the same as the second autonomous denial parameter; or the third autonomous denial parameter is different from the first autonomous denial parameter and the second autonomous denial parameters. ### Claim 7 (depends on 1) The method according to claim 1, further comprising: in response to choosing, according to the second autonomous denial parameter, not to adjust the first autonomous denial parameter, generating a specific notification signaling, wherein the specific notification signaling is configured to indicate in an explicit way that the base station chooses not to adjust the first autonomous denial parameter; and sending the specific notification signaling to the terminal, so that the terminal determines that the base station chooses not to adjust the first autonomous denial parameter, according to the specific notification signaling. ### Claim 8 A method for self-interference processing, applied to a terminal, and comprising: receiving a first autonomous denial parameter sent by a base station, wherein the first autonomous denial parameter is a parameter for achieving a self-interference processing capability of the terminal, which is configured by the base station for the terminal after the base station determines that the terminal has the self-interference processing capability achieved through an autonomous denial functionality; performing the self-interference processing according to the first autonomous denial parameter; determining a second autonomous denial parameter, wherein the second autonomous denial parameter is a parameter for achieving the self-interference processing capability recommended by the terminal; sending the second autonomous denial parameter to the base station, so that the base station chooses, according to the second autonomous denial parameter, to adjust the first autonomous denial parameter or not to adjust the first autonomous denial parameter; and in response to receiving a third autonomous denial parameter sent by the base station, stopping performing the self-interference processing according to the first autonomous denial parameter, but performing the self-interference processing according to the third autonomous denial parameter, wherein the third autonomous denial parameter is an autonomous denial parameter obtained by adjusting the first autonomous denial parameter according to the second autonomous denial parameter by the base station. ### Claim 9 (depends on 8) The method according to claim 8, further comprising: in response to determining that the terminal has the self-interference processing capability, generating first information for indicating that the terminal has the self-interference processing capability; adding the first information to radio access capability report information; and sending the radio access capability report information to the base station, so that the base station determines that the terminal has the self-interference processing capability according to the first information in the radio access capability report information. ### Claim 10 (depends on 9) The method according to claim 9, wherein sending the radio access capability report information to the base station comprises: adding the radio access capability report information to a first radio resource control (RRC) signaling; and sending the first RRC signaling to the base station, so that the base station acquires the radio access capability report information from the first RRC signaling. ### Claim 11 (depends on 8) The method according to claim 8, wherein the first autonomous denial parameter comprises at least one of following parameters: a number of subframes designated for autonomous denial; time designated for autonomous denial; or a carrier designated for autonomous denial. ### Claim 12 (depends on 8) The method according to claim 8, wherein receiving the first autonomous denial parameter sent by the base station comprises: receiving a transmitted second RRC signaling, wherein the second RRC signaling comprises the first autonomous denial parameter; and acquiring the first autonomous denial parameter from the second RRC signaling. ### Claim 13 (depends on 8) The method according to claim 8, further comprising: in response to receiving a specific notification signaling sent by the base station, wherein the specific notification signaling is configured to indicate in an explicit way that the base station chooses not to adjust the first autonomous denial parameter, continuing to perform the self-interference processing according to the first autonomous denial parameter. ### Claim 14 (depends on 8) The method according to claim 8, further comprising: starting a specific timer; and in response to not receiving the third autonomous denial parameter sent by the base station until the specified timer expires, determining that the base station chooses not to adjust the first autonomous denial parameter, and continuing the self-interference processing according to the first autonomous denial parameter. ### Claim 15 An apparatus for self-interference processing, comprising: at least one processor; and a memory for storing instructions executable by the at least one processor; wherein the at least one processor is configured to: determine that a terminal has a self-interference processing capability, wherein the self-interference processing capability is achieved through an autonomous denial functionality; configure a first autonomous denial parameter for achieving the self-interference processing capability for the terminal; send the first autonomous denial parameter to the terminal, so that the terminal performs a corresponding self-interference processing according to the first autonomous denial parameter; receive a second autonomous denial parameter sent by the terminal, wherein the second autonomous denial parameter is a parameter for achieving the self-interference processing capability recommended by the terminal; in response to choosing, according to the second autonomous denial parameter, to adjust the first autonomous denial parameter, obtain an adjusted third autonomous denial parameter by adjusting the first autonomous denial parameter according to the second autonomous denial parameter; and send the third autonomous denial parameter to the terminal, so that the terminal stops performing the self-interference processing according to the first autonomous denial parameter, but performs the self-interference processing according to the third autonomous denial parameter. ### Claim 16 (depends on 8) An apparatus for self-interference processing, comprising: at least one processor; and a memory for storing instructions executable by the at least one processor; wherein the at least one processor is configured to perform the method according to claim 8.