# US 2021/0345343 A1 · Techniques for dynamic signaling for wireless coverage enhancement > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0345343 A1 - Document ID: US20210345343A1 - Status: Published application - Kind: A1 - Application number: 17/301,734 - Filed: 2021-04-13 - Published: 2021-11-04 - Earliest claimed: 2020-05-01 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Mahmoud TAHERZADEH BOROUJENI; Tao LUO; Jelena DAMNJANOVIC; Juan MONTOJO; Qiang WU; Iyab Issam SAKHNINI; Xiaoxia ZHANG; Peter GAAL; Jing SUN - Web page: https://patentgrep.com/patent/US20210345343A1 ## CPC - H04W 4/70: Services for machine-to-machine communication [M2M] or machine type communication [MTC] - H04W 72/53: based on regulatory allocation policies - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/1263: Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 72/54: based on quality criteria - H04W 80/02: Data link layer protocols - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, in a single dynamic signaling communication, an indication to activate one or more coverage enhancement parameters. The UE may activate the one or more coverage enhancement parameters based at least in part on receiving the indication. Numerous other aspects are provided. ## Claims ### Claim 1 A method of wireless communication performed by a user equipment (UE), comprising: receiving, in a single dynamic signaling communication, an indication to activate one or more coverage enhancement parameters, wherein the one or more coverage enhancement parameters include at least one of: a repetition parameter, a frequency resource allocation parameter, a time resource allocation parameter, or a payload size parameter; and activating the one or more coverage enhancement parameters based at least in part on receiving the indication. ### Claim 2 (depends on 1) The method of claim 1, wherein receiving the indication to activate the one or more coverage enhancement parameters comprises: receiving the indication to activate the one or more coverage enhancement parameters in a: a downlink control information (DCI) communication, or a medium access control control element (MAC-CE) communication. ### Claim 3 (depends on 1) The method of claim 1, wherein the one or more coverage enhancement parameters are one or more UE-specific coverage enhancement parameters; and wherein receiving the indication to activate the one or more coverage enhancement parameters comprises: receiving an indication to activate the one or more UE-specific coverage enhancement parameters. ### Claim 4 (depends on 1) The method of claim 1, wherein the one or more coverage enhancement parameters are one or more group-common coverage enhancement parameters; and wherein transmitting the indication to activate the one or more coverage enhancement parameters comprises: receiving an indication to activate the one or more group-common coverage enhancement parameters. ### Claim 5 (depends on 4) The method of claim 4, further comprising: receiving an indication of the one or more group-common coverage enhancement parameters in a UE-specific radio resource control (RRC) communication; and wherein receiving the indication to activate the one or more group-common coverage enhancement parameters comprises: receiving the indication to activate the one or more group-common coverage enhancement parameters is included in a group-common physical downlink control channel (GC-PDCCH) communication. ### Claim 6 (depends on 5) The method of claim 5, wherein the indication to activate the one or more group-common coverage enhancement parameters is included in a group-common physical downlink control channel (GC-PDCCH) communication; and the method further comprises: receiving an indication of the one or more group-common coverage enhancement parameters in a search space configuration for downlink control information (DCI) associated with the GC-PDCCH communication. ### Claim 7 (depends on 1) The method of claim 1, further comprising: deactivating the one or more coverage enhancement parameters based at least in part on expiration of a timer associated with the one or more coverage enhancement parameters. ### Claim 8 (depends on 1) The method of claim 1, further comprising: receiving an indication to deactivate the one or more coverage enhancement parameters, wherein the communication comprises at least one of: a communication that explicitly indicates that the one or more coverage enhancement parameters are to be deactivated, a communication that explicitly indicates that the one or more coverage enhancement parameters are to be deactivated after a time duration, or a beam switch command. ### Claim 9 (depends on 1) The method of claim 1, wherein the one or more coverage enhancement parameters are configured for at least one of: channel state information (CSI) reporting, physical downlink control channel (PDCCH) communication, physical uplink control channel (PUCCH) communication, semi-persistent scheduling, or configured grant scheduling. ### Claim 10 (depends on 1) The method of claim 1, wherein receiving the indication to activate the one or more coverage enhancement parameters comprises: receiving the indication to activate the one or more coverage enhancement parameters based at least in part on beam performance, of one more narrow beams on which the UE communicates with a base station (BS), not satisfying a performance threshold. ### Claim 11 A method of wireless communication performed by a base station (BS), comprising: determining that beam performance of one or more narrow beams, on which the BS communicates with one or more user equipments (UEs), does not satisfy a performance threshold; determining to activate one or more coverage enhancement parameters for one or more user equipments (UEs), wherein the one or more coverage enhancement parameters comprise at least one of: a repetition parameter, a frequency resource allocation parameter, a time resource allocation parameter, or a payload size parameter; and transmitting, to the one or more UEs and based at least in part on the determination to activate the one or more coverage enhancement parameters, a single dynamic communication indicating to activate the one or more coverage enhancement parameters. ### Claim 12 (depends on 11) The method of claim 11, wherein transmitting the indication to activate the one or more coverage enhancement parameters comprises: transmitting the indication to activate the one or more coverage enhancement parameters in: a downlink control information (DCI) communication, or a medium access control control element (MAC-CE) communication. ### Claim 13 (depends on 11) The method of claim 11, wherein the one or more coverage enhancement parameters are one or more UE-specific coverage enhancement parameters; and wherein transmitting the indication to activate the one or more coverage enhancement parameters comprises: transmitting an indication to activate the one or more UE-specific coverage enhancement parameters to a single UE. ### Claim 14 (depends on 11) The method of claim 11, wherein the one or more coverage enhancement parameters are one or more group-common coverage enhancement parameters; and wherein transmitting the indication to activate the one or more coverage enhancement parameters comprises: transmitting an indication to activate the one or more group-common coverage enhancement parameters to a plurality of UEs. ### Claim 15 (depends on 14) The method of claim 14, further comprising: transmitting, to each UE of the plurality of UEs, an indication of the one or more group-common coverage enhancement parameters in respective UE-specific radio resource control (RRC) communications, wherein the indication to activate the one or more group-common coverage enhancement parameters is included in a group-common physical downlink control channel (GC-PDCCH) communication. ### Claim 16 (depends on 14) The method of claim 14, wherein the indication to activate the one or more group-common coverage enhancement parameters is included in a group-common physical downlink control channel (GC-PDCCH) communication; and the method further comprises: transmitting, to the plurality of UEs, an indication of the one or more group-common coverage enhancement parameters in a search space configuration for downlink control information (DCI) associated with the GC-PDCCH communication. ### Claim 17 (depends on 11) The method of claim 11, wherein the one or more coverage enhancement parameters are active until expiration of a timer associated with the one or more coverage enhancement parameters. ### Claim 18 (depends on 11) The method of claim 11, further comprising: transmitting, to the one or more UEs, a communication that deactivates the one or more coverage enhancement parameters, wherein the communication comprises at least one of: a communication that explicitly indicates that the one or more coverage enhancement parameters are deactivated, a communication that explicitly indicates that the one or more coverage enhancement parameters are to be deactivated after a time duration, or a beam switch command. ### Claim 19 (depends on 11) The method of claim 11, wherein determining that the beam performance of the one or more narrow beams does not satisfy the performance threshold comprises: determining that the beam performance of the one or more narrow beams does not satisfy the performance threshold based at least in part on at least one of: one or more channel state information (CSI) reports received from at least a subset of the one or more UEs, one or more hybrid automatic repeat request (HARD) feedback communications received from at least a subset of the one or more UEs, or uplink reception quality associated with at least a subset of the one or more UEs. ### Claim 20 (depends on 11) The method of claim 11, wherein the one or more coverage enhancement parameters are configured for at least one of: channel state information (CSI) reporting, physical downlink control channel (PDCCH) communication, physical uplink control channel (PUCCH) communication, semi-persistent scheduling, or configured grant scheduling. ### Claim 21 (depends on 11) The method of claim 11, further comprising: identifying the one or more coverage enhancement parameters from a plurality of candidate coverage enhancement parameters configured for one or more physical channel types or one or more communication procedure types. ### Claim 22 (depends on 11) The method of claim 11, further comprising: determining that beam performance of one or more narrow beams, on which the BS communicates with the one or more UEs, does not satisfy a performance threshold; and wherein determining to activate the one or more coverage enhancement parameters for the one or more UEs comprises: determining to activate the one or more coverage enhancement parameters for the one or more UEs based at least in part on the determination that the beam performance of the one or more narrow beams does not satisfy the performance threshold. ### Claim 23 A user equipment (UE) for wireless communication, comprising: a memory; and one or more processors coupled to the memory, the memory and the one or more processors configured to: receive, in a single dynamic signaling communication, an indication to activate one or more coverage enhancement parameters, wherein the one or more coverage enhancement parameters include at least one of: a repetition parameter, a frequency resource allocation parameter, a time resource allocation parameter, or a payload size parameter; and activate the one or more coverage enhancement parameters based at least in part on receiving the indication. ### Claim 24 (depends on 23) The UE of claim 23, wherein the one or more coverage enhancement parameters are one or more UE-specific coverage enhancement parameters; and wherein the one or more processors, when receiving the indication to activate the one or more coverage enhancement parameters, are configured to: receive an indication to activate the one or more UE-specific coverage enhancement parameters. ### Claim 25 (depends on 23) The UE of claim 23, wherein the one or more coverage enhancement parameters are one or more group-common coverage enhancement parameters; and wherein the one or more processors, when transmitting the indication to activate the one or more coverage enhancement parameters, are configured to: receive an indication to activate the one or more group-common coverage enhancement parameters. ### Claim 26 (depends on 25) The UE of claim 25, wherein the UE wherein the one or more processors are further configured to: receive an indication of the one or more group-common coverage enhancement parameters in a UE-specific radio resource control (RRC) communication; and wherein the one or more processors, when receiving the indication to activate the one or more group-common coverage enhancement parameters, are configured to: receive the indication to activate the one or more group-common coverage enhancement parameters is included in a group-common physical downlink control channel (GC-PDCCH) communication. ### Claim 27 (depends on 23) The UE of claim 23, wherein the one or more processors, when receiving the indication to activate the one or more coverage enhancement parameters, are configured to: receive the indication to activate the one or more coverage enhancement parameters based at least in part on beam performance, of one more narrow beams on which the UE communicates with a base station (BS), not satisfying a performance threshold. ### Claim 28 A base station (BS) for wireless communication, comprising: a memory; and one or more processors coupled to the memory, the memory and the one or more processors configured to: determine to activate one or more coverage enhancement parameters for one or more user equipments (UEs), wherein the one or more coverage enhancement parameters include at least one of: a repetition parameter, a frequency resource allocation parameter, a time resource allocation parameter, or a payload size parameter; and transmit, to the one or more UEs and based at least in part on the determination to activate the one or more coverage enhancement parameters, a single dynamic communication indicating to activate the one or more coverage enhancement parameters. ### Claim 29 (depends on 28) The BS of claim 28, wherein the one or more coverage enhancement parameters are one or more group-common coverage enhancement parameters; and wherein the one or more processors, when transmitting the indication to activate the one or more coverage enhancement parameters, are configured to: transmit an indication to activate the one or more group-common coverage enhancement parameters to a plurality of UEs. ### Claim 30 (depends on 28) The BS of claim 28, wherein the one or more processors are further configured to: determine that beam performance of one or more narrow beams, on which the BS communicates with the one or more UEs, does not satisfy a performance threshold; and wherein the one or more processors, when determining to activate the one or more coverage enhancement parameters for the one or more UEs, are configured to: determine to activate the one or more coverage enhancement parameters for the one or more UEs based at least in part on the determination that the beam performance of the one or more narrow beams does not satisfy the performance threshold.