# US 11,310,859 B2 · Configuration for beam failure recovery > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,310,859 B2 - Document ID: US11310859B2 - Status: Granted - Kind: B2 - Application number: 17/157,352 - Filed: 2021-01-25 - Published: 2021-05-13 - Granted: 2022-04-19 - Earliest claimed: 2018-03-30 - Assignees: Comcast Cable Communications, LLC - Applicants: Comcast Cable Communications, LLC - Inventors: Hua Zhou; Esmael Dinan; Ali Cirik; Alireza Babaei; Hyoungsuk Jeon; Kyungmin Park - Web page: https://patentgrep.com/patent/US11310859B2 ## CPC - H04W 76/19: Connection re-establishment - H04B 7/06: at the transmitting station - H04B 7/06966: {using beam correspondence; using channel reciprocity, e.g. downlink beam training based on uplink sounding reference signal [SRS]} - H04B 7/08: at the receiving station - H04W 72/02: Selection of wireless resources by user or terminal - H04W 72/04: Wireless resource allocation - H04W 72/046: {the resource being in the space domain, e.g. beams} - 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: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION ## Abstract Systems, apparatuses, and methods are described for wireless communications. A base station may indicate one or more resources for beam failure recovery. The one or more resources may comprise one or more resources for downlink transmission and one or more resources for uplink transmission. A beam failure may be determined based on the one or more resources for downlink transmission. A wireless device may send, based on the one or more resources for uplink transmission, uplink information for beam failure recovery. ## Claims ### Claim 1 A method comprising: receiving, by a wireless device, one or more configuration parameters associated with beam failure recovery, wherein the one or more configuration parameters comprise: a plurality of candidate reference signal (RS) resource indexes associated with downlink reception; and an RS resource index associated with uplink transmission; determining, from the plurality of candidate RS resource indexes, a first candidate RS resource index for beam failure recovery; determining, based on the RS resource index associated with uplink transmission, one or more transmission beam parameters for beam failure recovery; and transmitting, based on the one or more transmission beam parameters and via an uplink channel, uplink information for beam failure recovery. ### Claim 2 (depends on 1) The method of claim 1, wherein: the first candidate RS resource index is associated with a candidate beam of a base station; the determining the one or more transmission beam parameters for beam failure recovery comprises determining, based on the RS resource index associated with uplink transmission, a transmission beam of the wireless device; and the transmitting the uplink information is based on the transmission beam of the wireless device. ### Claim 3 (depends on 1) The method of claim 1, wherein the one or more configuration parameters comprise configuration parameters of a physical uplink control channel (PUCCH) for beam failure recovery, and wherein the uplink information comprises at least one of: a scheduling request for beam failure recovery; or the first candidate RS resource index. ### Claim 4 (depends on 1) The method of claim 1, wherein the first candidate RS resource index indicates at least one of: a channel state information RS resource; or a synchronization signal block resource. ### Claim 5 (depends on 1) The method of claim 1, wherein the RS resource index associated with uplink transmission indicates at least one of: a channel state information RS resource; a synchronization signal block resource; or a sounding reference signal resource. ### Claim 6 (depends on 1) The method of claim 1, wherein the uplink channel comprises a physical uplink control channel (PUCCH). ### Claim 7 (depends on 1) The method of claim 1, wherein the uplink information indicates the first candidate RS resource index. ### Claim 8 (depends on 1) The method of claim 1, further comprising transmitting, by the wireless device, a capability indication message indicating that a beam correspondence is supported. ### Claim 9 (depends on 1) The method of claim 1, further comprising transmitting, by the wireless device, a capability indication message indicating that a beam correspondence is not supported. ### Claim 10 (depends on 1) The method of claim 1, further comprising: determining a beam failure associated with a secondary cell, wherein the transmitting the uplink information is further based on the beam failure associated with the secondary cell. ### Claim 11 A method comprising: transmitting, by a base station, one or more configuration parameters associated with beam failure recovery, wherein the one or more configuration parameters comprise: a plurality of candidate reference signal (RS) resource indexes associated with downlink transmission; and an RS resource index associated with uplink reception; determining, based on the RS resource index associated with uplink reception, one or more beam parameters for beam failure recovery; receiving, based on the one or more beam parameters and via an uplink channel, uplink information for beam failure recovery; and determining, after receiving the uplink information, a first candidate RS resource index, of the plurality of candidate RS resource indexes, for beam failure recovery. ### Claim 12 (depends on 11) The method of claim 11, wherein: the first candidate RS resource index is associated with a candidate beam of the base station; the determining the one or more beam parameters for beam failure recovery comprises determining, based on the RS resource index associated with uplink reception, a reception beam of the base station that is associated with a transmission beam of a wireless device; and the receiving the uplink information is based on the reception beam of the base station. ### Claim 13 (depends on 11) The method of claim 11, wherein the one or more configuration parameters comprise configuration parameters of a physical uplink control channel (PUCCH) for beam failure recovery, and wherein the uplink information comprises at least one of: a scheduling request for beam failure recovery; or the first candidate RS resource index. ### Claim 14 (depends on 11) The method of claim 11, wherein the first candidate RS resource index indicates at least one of: a channel state information RS resource; or a synchronization signal block resource. ### Claim 15 (depends on 11) The method of claim 11, wherein the RS resource index associated with uplink reception indicates at least one of: a channel state information RS resource; a synchronization signal block resource; or a sounding reference signal resource. ### Claim 16 (depends on 11) The method of claim 11, wherein the uplink channel comprises a physical uplink control channel (PUCCH). ### Claim 17 (depends on 11) The method of claim 11, wherein the uplink information indicates the first candidate RS resource index. ### Claim 18 (depends on 11) The method of claim 11, further comprising receiving, from a wireless device, a capability indication message indicating that a beam correspondence is supported. ### Claim 19 (depends on 11) The method of claim 11, further comprising receiving, from a wireless device, a capability indication message indicating that a beam correspondence is not supported. ### Claim 20 (depends on 11) The method of claim 11, further comprising: determining, after receiving the uplink information, a beam failure associated with a secondary cell; and transmitting, via a beam associated with the first candidate RS resource index, downlink information. ### Claim 21 A wireless device comprising: one or more processors; and memory storing instructions that, when executed by the one or more processors, cause the wireless device to: receive one or more configuration parameters associated with beam failure recovery, wherein the one or more configuration parameters comprise: a plurality of candidate reference signal (RS) resource indexes associated with downlink reception; and an RS resource index associated with uplink transmission; determine, from the plurality of candidate RS resource indexes, a first candidate RS resource index for beam failure recovery; determine, based on the RS resource index associated with uplink transmission, one or more transmission beam parameters for beam failure recovery; and transmit, based on the one or more transmission beam parameters and via an uplink channel, uplink information for beam failure recovery. ### Claim 22 (depends on 21) The wireless device of claim 21, wherein: the first candidate RS resource index is associated with a candidate beam of a base station; and the instructions, when executed by the one or more processors, cause the wireless device to: determine the one or more transmission beam parameters for beam failure recovery by determining, based on the RS resource index associated with uplink transmission, a transmission beam of the wireless device; and transmit the uplink information by transmitting, based on the transmission beam of the wireless device, the uplink information. ### Claim 23 (depends on 21) The wireless device of claim 21, wherein the one or more configuration parameters comprise configuration parameters of a physical uplink control channel (PUCCH) for beam failure recovery, and wherein the uplink information comprises at least one of: a scheduling request for beam failure recovery; or the first candidate RS resource index. ### Claim 24 (depends on 21) The wireless device of claim 21, wherein the first candidate RS resource index indicates at least one of: a channel state information RS resource; or a synchronization signal block resource. ### Claim 25 (depends on 21) The wireless device of claim 21, wherein the RS resource index associated with uplink transmission indicates at least one of: a channel state information RS resource; a synchronization signal block resource; or a sounding reference signal resource. ### Claim 26 (depends on 21) The wireless device of claim 21, wherein the uplink channel comprises a physical uplink control channel (PUCCH). ### Claim 27 (depends on 21) The wireless device of claim 21, wherein the uplink information indicates the first candidate RS resource index. ### Claim 28 (depends on 21) The wireless device of claim 21, wherein the instructions, when executed by the one or more processors, cause the wireless device to transmit a capability indication message indicating that a beam correspondence is supported. ### Claim 29 (depends on 21) The wireless device of claim 21, wherein the instructions, when executed by the one or more processors, cause the wireless device to transmit a capability indication message indicating that a beam correspondence is not supported. ### Claim 30 (depends on 21) The wireless device of claim 21, wherein the instructions, when executed by the one or more processors, cause the wireless device to: determine a beam failure associated with a secondary cell; and transmit the uplink information by transmitting, based on the beam failure associated with the secondary cell, the uplink information. ### Claim 31 A base station comprising: one or more processors; and memory storing instructions that, when executed by the one or more processors, cause the base station to: transmit one or more configuration parameters associated with beam failure recovery, wherein the one or more configuration parameters comprise: a plurality of candidate reference signal (RS) resource indexes associated with downlink transmission; and an RS resource index associated with uplink reception; determine, based on the RS resource index associated with uplink reception, one or more beam parameters for beam failure recovery; receive, based on the one or more beam parameters and via an uplink channel, uplink information for beam failure recovery; and determine, after receiving the uplink information, a first candidate RS resource index, of the plurality of candidate RS resource indexes, for beam failure recovery. ### Claim 32 (depends on 31) The base station of claim 31, wherein: the first candidate RS resource index is associated with a candidate beam of the base station; and the instructions, when executed by the one or more processors, cause the base station to: determine the one or more beam parameters for beam failure recovery by determining, based on the RS resource index associated with uplink reception, a reception beam of the base station that is associated with a transmission beam of a wireless device; and receive the uplink information by receiving, based on the reception beam of the base station, the uplink information. ### Claim 33 (depends on 31) The base station of claim 31, wherein the one or more configuration parameters comprise configuration parameters of a physical uplink control channel (PUCCH) for beam failure recovery, and wherein the uplink information comprises at least one of: a scheduling request for beam failure recovery; or the first candidate RS resource index. ### Claim 34 (depends on 31) The base station of claim 31, wherein the first candidate RS resource index indicates at least one of: a channel state information RS resource; or a synchronization signal block resource. ### Claim 35 (depends on 31) The base station of claim 31, wherein the RS resource index associated with uplink reception indicates at least one of: a channel state information RS resource; a synchronization signal block resource; or a sounding reference signal resource. ### Claim 36 (depends on 31) The base station of claim 31, wherein the uplink channel comprises a physical uplink control channel (PUCCH). ### Claim 37 (depends on 31) The base station of claim 31, wherein the uplink information indicates the first candidate RS resource index. ### Claim 38 (depends on 31) The base station of claim 31, wherein the instructions, when executed by the one or more processors, cause the base station to receive, from a wireless device, a capability indication message indicating that a beam correspondence is supported. ### Claim 39 (depends on 31) The base station of claim 31, wherein the instructions, when executed by the one or more processors, cause the base station to receive, from a wireless device, a capability indication message indicating that a beam correspondence is not supported. ### Claim 40 (depends on 31) The base station of claim 31, wherein the instructions, when executed by the one or more processors, cause the base station to: determine, after receiving the uplink information, a beam failure associated with a secondary cell; and transmit, via a beam associated with the first candidate RS resource index, downlink information. ### Claim 41 A non-transitory computer-readable medium storing instructions that, when executed, cause: receiving one or more configuration parameters associated with beam failure recovery, wherein the one or more configuration parameters comprise: a plurality of candidate reference signal (RS) resource indexes associated with downlink reception; and an RS resource index associated with uplink transmission; determining, from the plurality of candidate RS resource indexes, a first candidate RS resource index for beam failure recovery; determining, based on the RS resource index associated with uplink transmission, one or more transmission beam parameters for beam failure recovery; and transmitting, based on the one or more transmission beam parameters and via an uplink channel, uplink information for beam failure recovery. ### Claim 42 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein: the first candidate RS resource index is associated with a candidate beam of a base station; the instructions, when executed, cause the determining the one or more transmission beam parameters for beam failure recovery by determining, based on the RS resource index associated with uplink transmission, a transmission beam of a wireless device; and the instructions, when executed, cause the transmitting the uplink information based on the transmission beam of the wireless device. ### Claim 43 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the one or more configuration parameters comprise configuration parameters of a physical uplink control channel (PUCCH) for beam failure recovery, and wherein the uplink information comprises at least one of: a scheduling request for beam failure recovery; or the first candidate RS resource index. ### Claim 44 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the first candidate RS resource index indicates at least one of: a channel state information RS resource; or a synchronization signal block resource. ### Claim 45 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the RS resource index associated with uplink transmission indicates at least one of: a channel state information RS resource; a synchronization signal block resource; or a sounding reference signal resource. ### Claim 46 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the uplink channel comprises a physical uplink control channel (PUCCH). ### Claim 47 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the uplink information indicates the first candidate RS resource index. ### Claim 48 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the instructions, when executed, further cause transmitting a capability indication message indicating that a beam correspondence is supported. ### Claim 49 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the instructions, when executed, further cause transmitting a capability indication message indicating that a beam correspondence is not supported. ### Claim 50 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the instructions, when executed, further cause determining a beam failure associated with a secondary cell, and wherein the instructions, when executed, cause the transmitting the uplink information further based on the beam failure associated with the secondary cell. ### Claim 51 A non-transitory computer-readable medium storing instructions that, when executed, cause: transmitting one or more configuration parameters associated with beam failure recovery, wherein the one or more configuration parameters comprise: a plurality of candidate reference signal (RS) resource indexes associated with downlink transmission; and an RS resource index associated with uplink reception; determining, based on the RS resource index associated with uplink reception, one or more beam parameters for beam failure recovery; receiving, based on the one or more beam parameters and via an uplink channel, uplink information for beam failure recovery; and determining, after receiving the uplink information, a first candidate RS resource index, of the plurality of candidate RS resource indexes, for beam failure recovery. ### Claim 52 (depends on 51) The non-transitory computer-readable medium of claim 51, wherein: the first candidate RS resource index is associated with a candidate beam of a base station; the instructions, when executed, cause the determining the one or more beam parameters for beam failure recovery by determining, based on the RS resource index associated with uplink reception, a reception beam of the base station that is associated with a transmission beam of a wireless device; and the instructions, when executed, cause the receiving the uplink information based on the reception beam of the base station. ### Claim 53 (depends on 51) The non-transitory computer-readable medium of claim 51, wherein the one or more configuration parameters comprise configuration parameters of a physical uplink control channel (PUCCH) for beam failure recovery, and wherein the uplink information comprises at least one of: a scheduling request for beam failure recovery; or the first candidate RS resource index. ### Claim 54 (depends on 51) The non-transitory computer-readable medium of claim 51, wherein the first candidate RS resource index indicates at least one of: a channel state information RS resource; or a synchronization signal block resource. ### Claim 55 (depends on 51) The non-transitory computer-readable medium of claim 51, wherein the RS resource index associated with uplink reception indicates at least one of: a channel state information RS resource; a synchronization signal block resource; or a sounding reference signal resource. ### Claim 56 (depends on 51) The non-transitory computer-readable medium of claim 51, wherein the uplink channel comprises a physical uplink control channel (PUCCH). ### Claim 57 (depends on 51) The non-transitory computer-readable medium of claim 51, wherein the uplink information indicates the first candidate RS resource index. ### Claim 58 (depends on 51) The non-transitory computer-readable medium of claim 51, wherein the instructions, when executed, further cause receiving, from a wireless device, a capability indication message indicating that a beam correspondence is supported. ### Claim 59 (depends on 51) The non-transitory computer-readable medium of claim 51, wherein the instructions, when executed, further cause receiving, from a wireless device, a capability indication message indicating that a beam correspondence is not supported. ### Claim 60 (depends on 51) The non-transitory computer-readable medium of claim 51, wherein the instructions, when executed, further cause: determining, after receiving the uplink information, a beam failure associated with a secondary cell; and transmitting, via a beam associated with the first candidate RS resource index, downlink information. ### Claim 61 A system comprising: a base station configured to transmit one or more configuration parameters associated with beam failure recovery, wherein the one or more configuration parameters comprise: a plurality of candidate reference signal (RS) resource indexes associated with downlink; and an RS resource index associated with uplink; and a wireless device configured to: determine, from the plurality of candidate RS resource indexes, a first candidate RS resource index for beam failure recovery; determine, based on the RS resource index associated with uplink, one or more transmission beam parameters for beam failure recovery; and transmit, based on the one or more transmission beam parameters and via an uplink channel, uplink information for beam failure recovery. ### Claim 62 (depends on 61) The system of claim 61, wherein: the first candidate RS resource index is associated with a candidate beam of the base station; and the wireless device is configured to: determine the one or more transmission beam parameters for beam failure recovery by determining, based on the RS resource index associated with uplink, a transmission beam of the wireless device; and transmit the uplink information by transmitting, based on the transmission beam of the wireless device, the uplink information. ### Claim 63 (depends on 61) The system of claim 61, wherein the one or more configuration parameters comprise configuration parameters of a physical uplink control channel (PUCCH) for beam failure recovery, and wherein the uplink information comprises at least one of: a scheduling request for beam failure recovery; or the first candidate RS resource index. ### Claim 64 (depends on 61) The system of claim 61, wherein the first candidate RS resource index indicates at least one of: a channel state information RS resource; or a synchronization signal block resource. ### Claim 65 (depends on 61) The system of claim 61, wherein the RS resource index associated with uplink transmission indicates at least one of: a channel state information RS resource; a synchronization signal block resource; or a sounding reference signal resource. ### Claim 66 (depends on 61) The system of claim 61, wherein the uplink channel comprises a physical uplink control channel (PUCCH). ### Claim 67 (depends on 61) The system of claim 61, wherein the uplink information indicates the first candidate RS resource index. ### Claim 68 (depends on 61) The system of claim 61, wherein the wireless device is configured to transmit a capability indication message indicating that a beam correspondence is supported. ### Claim 69 (depends on 61) The system of claim 61, wherein the wireless device is configured to transmit a capability indication message indicating that a beam correspondence is not supported. ### Claim 70 (depends on 61) The system of claim 61, wherein the wireless device is configured to: determine a beam failure associated with a secondary cell; and transmit the uplink information by transmitting, based on the beam failure associated with the secondary cell, the uplink information. ### Claim 71 (depends on 61) The system of claim 61, wherein the base station is configured to: determine, based on the RS resource index associated with uplink, one or more beam parameters for beam failure recovery; and determine, after receiving the uplink information, a first candidate RS resource index, of the plurality of candidate RS resource indexes, for beam failure recovery. ### Claim 72 (depends on 61) The system of claim 61, wherein: the first candidate RS resource index is associated with a candidate beam of the base station; and the base station is configured to: determine one or more beam parameters for beam failure recovery by determining, based on the RS resource index associated with uplink, a reception beam of the base station that is associated with a transmission beam of a wireless device; and receive the uplink information by receiving, based on the reception beam of the base station, the uplink information. ### Claim 73 (depends on 61) The system of claim 61, wherein the base station is configured to: determine, after receiving the uplink information, a beam failure associated with a secondary cell; and transmit, via a beam associated with the first candidate RS resource index, downlink information.