# US 12,120,618 B2 · Power headroom report for a wireless device and a base station > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,120,618 B2 - Document ID: US12120618B2 - Status: Granted - Kind: B2 - Application number: 18/136,065 - Filed: 2023-04-18 - Published: 2023-08-10 - Granted: 2024-10-15 - Earliest claimed: 2015-03-09 - Assignees: Comcast Cable Communications, LLC - Applicants: Comcast Cable Communications, LLC - Inventors: Esmael Hejazi Dinan - Web page: https://patentgrep.com/patent/US12120618B2 ## CPC - H04W 52/365: {Power headroom reporting} - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - H04W 52/242: {taking into account path loss} - H04W 52/34: TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A wireless device receives message(s) comprising configuration parameters of a plurality of cells for communication with a base station. The message(s) comprise a first information element (IE) indicating a new extended power headroom report is configured. The first IE is configured as setup when: a secondary cell is configured with a physical uplink control channel (PUCCH) and a second IE indicates that a power headroom report is configured as setup. The wireless device transmits a media-access-control (MAC) packet comprising one or more power headroom reports. ## Claims ### Claim 1 A method comprising: receiving, by a wireless device from a base station, at least one radio resource configuration (RRC) message comprising: a power headroom parameter indicating whether an extended power headroom report format is setup, wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and transmitting, based on the extended power headroom report format being setup, an extended power headroom report media-access-control (MAC) control element comprising: a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells. ### Claim 2 (depends on 1) The method of claim 1, wherein the extended power headroom report format is configured as setup based on a value being indicated as setup. ### Claim 3 (depends on 1) The method of claim 1, further comprising: receiving, via the secondary cell and based on the second Type 2 power headroom field, at least one message. ### Claim 4 (depends on 1) The method of claim 1, wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a power of the PUCCH of the secondary cell and a power of a physical uplink shared channel (PUSCH) of the secondary cell. ### Claim 5 (depends on 1) The method of claim 1, further comprising transmitting a subheader comprising a logical channel identifier (LCID) associated with the extended power headroom report MAC control element. ### Claim 6 (depends on 1) The method of claim 1, wherein the power headroom parameter indicates that the extended power headroom report format is setup based on at least one of: at least one PUCCH secondary cell being configured, wherein the secondary cell is a PUCCH secondary cell; or a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold, wherein a network configures the extended power headroom report format as setup. ### Claim 7 (depends on 1) The method of claim 1, further comprising: determining, based on the power headroom parameter, to use the extended power headroom report format for a MAC packet comprising the extended power headroom report MAC control element. ### Claim 8 (depends on 1) The method of claim 1, wherein the extended power headroom report MAC control element is formatted according to the extended power headroom report format. ### Claim 9 (depends on 1) The method of claim 1, wherein the at least one RRC message comprises a prohibit power headroom report timer information element (IE) and a periodic power headroom report timer IE. ### Claim 10 (depends on 1) The method of claim 1, wherein the transmitting the extended power headroom report MAC control element is further based on the secondary cell being activated. ### Claim 11 (depends on 1) The method of claim 1, wherein the extended power headroom report format is different from a second extended power headroom report format, and wherein the second extended power headroom report format is used based on secondary cells being not configured with a PUCCH. ### Claim 12 A wireless device comprising: one or more processors; and memory storing instructions that, when executed by the one or more processors, configure the wireless device to: receive, from a base station, at least one radio resource configuration (RRC) message comprising: a power headroom parameter indicating whether an extended power headroom report format is setup, wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and transmit, based on the extended power headroom report format being setup, an extended power headroom report media-access-control (MAC) control element comprising: a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells. ### Claim 13 (depends on 12) The wireless device of claim 12, wherein the extended power headroom report format is configured as setup based on a value being indicated as setup. ### Claim 14 (depends on 12) The wireless device of claim 12, wherein the instructions, when executed by the one or more processors, further configure the wireless device to receive, via the secondary cell and based on the second Type 2 power headroom field, at least one message. ### Claim 15 (depends on 12) The wireless device of claim 12, wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a power of the PUCCH of the secondary cell and a power of a physical uplink shared channel (PUSCH) of the secondary cell. ### Claim 16 (depends on 12) The wireless device of claim 12, wherein the instructions, when executed by the one or more processors, configure the wireless device to transmit a subheader comprising a logical channel identifier (LCID) associated with the extended power headroom report MAC control element. ### Claim 17 (depends on 12) The wireless device of claim 12, wherein the power headroom parameter indicates that the extended power headroom report format is setup based on at least one of: at least one PUCCH secondary cell being configured, wherein the secondary cell is a PUCCH secondary cell; or a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold, wherein a network configures the extended power headroom report format as setup. ### Claim 18 (depends on 12) The wireless device of claim 12, wherein the instructions, when executed by the one or more processors, further configure the wireless device to determine, based on the power headroom parameter, to use the extended power headroom report format for a MAC packet comprising the extended power headroom report MAC control element. ### Claim 19 (depends on 12) The wireless device of claim 12, wherein the extended power headroom report MAC control element is formatted according to the extended power headroom report format. ### Claim 20 (depends on 12) The wireless device of claim 12, wherein the at least one RRC message comprises a prohibit power headroom report timer information element (IE) and a periodic power headroom report timer IE. ### Claim 21 (depends on 12) The wireless device of claim 12, wherein the instructions, when executed by the one or more processors, configure the wireless device to transmit, based on the secondary cell being activated, the extended power headroom report MAC control element. ### Claim 22 (depends on 12) The wireless device of claim 12, wherein the extended power headroom report format is different from a second extended power headroom report format, and wherein the second extended power headroom report format is used based on secondary cells being not configured with a PUCCH. ### Claim 23 A method comprising: transmitting, by a base station to a wireless device, at least one radio resource configuration (RRC) message comprising: a power headroom parameter indicating whether an extended power headroom report format is setup, wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and receiving, based on the extended power headroom report format being setup, an extended power headroom report media-access-control (MAC) control element comprising: a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells. ### Claim 24 (depends on 23) The method of claim 23, wherein the extended power headroom report format is configured as setup based on a value being indicated as setup. ### Claim 25 (depends on 23) The method of claim 23, further comprising: transmitting, via the secondary cell and based on the second Type 2 power headroom field, at least one message. ### Claim 26 (depends on 23) The method of claim 23, wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a power of the PUCCH of the secondary cell and a power of a physical uplink shared channel (PUSCH) of the secondary cell. ### Claim 27 (depends on 23) The method of claim 23, further comprising receiving a subheader comprising a logical channel identifier (LCID) associated with the extended power headroom report MAC control element. ### Claim 28 (depends on 23) The method of claim 23, wherein the power headroom parameter indicates that the extended power headroom report format is setup based on at least one of: at least one PUCCH secondary cell being configured, wherein the secondary cell is a PUCCH secondary cell; or a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold, wherein a network configures the extended power headroom report format as setup. ### Claim 29 (depends on 23) The method of claim 23, wherein the extended power headroom report MAC control element is formatted according to the extended power headroom report format. ### Claim 30 (depends on 23) The method of claim 23, wherein the at least one RRC message comprises a prohibit power headroom report timer information element (IE) and a periodic power headroom report timer IE. ### Claim 31 (depends on 23) The method of claim 23, wherein the receiving the extended power headroom report MAC control element is further based on the secondary cell being activated. ### Claim 32 A base station comprising: one or more processors; and memory storing instructions that, when executed by the one or more processors, configure the base station to: transmit, to a wireless device, at least one radio resource configuration (RRC) message comprising: a power headroom parameter indicating whether an extended power headroom report format is setup, wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and receive, based on the extended power headroom report format being setup, an extended power headroom report media-access-control (MAC) control element comprising: a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells. ### Claim 33 (depends on 32) The base station of claim 32, wherein the extended power headroom report format is configured as setup based on a value being indicated as setup. ### Claim 34 (depends on 32) The base station of claim 32, wherein the instructions, when executed by the one or more processors, further configure the base station to transmit, via the secondary cell and based on the second Type 2 power headroom field, at least one message. ### Claim 35 (depends on 32) The base station of claim 32, wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a power of the PUCCH of the secondary cell and a power of a physical uplink shared channel (PUSCH) of the secondary cell. ### Claim 36 (depends on 32) The base station of claim 32, wherein the instructions, when executed by the one or more processors, further configure the base station to receive a subheader comprising a logical channel identifier (LCID) associated with the extended power headroom report MAC control element. ### Claim 37 (depends on 32) The base station of claim 32, wherein the power headroom parameter indicates that the extended power headroom report format is setup based on at least one of: at least one PUCCH secondary cell being configured, wherein the secondary cell is a PUCCH secondary cell; or a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold, wherein a network configures the extended power headroom report format as setup. ### Claim 38 (depends on 32) The base station of claim 32, wherein the extended power headroom report MAC control element is formatted according to the extended power headroom report format. ### Claim 39 (depends on 32) The base station of claim 32, wherein the at least one RRC message comprises a prohibit power headroom report timer information element (IE) and a periodic power headroom report timer IE. ### Claim 40 (depends on 32) The base station of claim 32, wherein the instructions, when executed by the one or more processors, further configure the base station to receive, based on the secondary cell being activated, the extended power headroom report MAC control element. ### Claim 41 A non-transitory computer-readable medium storing instructions, when executed, cause: receiving, by a wireless device from a base station, at least one radio resource configuration (RRC) message comprising: a power headroom parameter indicating whether an extended power headroom report format is setup, wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and transmitting, based on the extended power headroom report format being setup, an extended power headroom report media-access-control (MAC) control element comprising: a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells. ### Claim 42 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the extended power headroom report format is configured as setup based on a value being indicated as setup. ### Claim 43 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the instructions, when executed, cause receiving, via the secondary cell and based on the second Type 2 power headroom field, at least one message. ### Claim 44 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a power of the PUCCH of the secondary cell and a power of a physical uplink shared channel (PUSCH) of the secondary cell. ### Claim 45 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the instructions, when executed, cause transmitting a subheader comprising a logical channel identifier (LCID) associated with the extended power headroom report MAC control element. ### Claim 46 A non-transitory computer-readable medium storing instructions, when executed, cause: transmitting, by a base station to a wireless device, at least one radio resource configuration (RRC) message comprising: a power headroom parameter indicating whether an extended power headroom report format is setup, wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and receiving, based on the extended power headroom report format being setup, an extended power headroom report media-access-control (MAC) control element comprising: a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells. ### Claim 47 (depends on 46) The non-transitory computer-readable medium of claim 46, wherein the extended power headroom report format is configured as setup based on a value being indicated as setup. ### Claim 48 (depends on 46) The non-transitory computer-readable medium of claim 46, wherein the instructions, when executed, cause transmitting, via the secondary cell and based on the second Type 2 power headroom field, at least one message. ### Claim 49 (depends on 46) The non-transitory computer-readable medium of claim 46, wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a power of the PUCCH of the secondary cell and a power of a physical uplink shared channel (PUSCH) of the secondary cell. ### Claim 50 (depends on 46) The non-transitory computer-readable medium of claim 46, wherein the instructions, when executed, cause receiving a subheader comprising a logical channel identifier (LCID) associated with the extended power headroom report MAC control element. ### Claim 51 A system comprising: a base station; and a wireless device, wherein the base station is configured to: transmit, to the wireless device, at least one radio resource configuration (RRC) message comprising: a power headroom parameter indicating whether an extended power headroom report format is setup, wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and wherein the wireless device is configured to: receive, from the base station, the at least one RRC message; and transmit, based on the extended power headroom report format being setup, an extended power headroom report media-access-control (MAC) control element comprising: a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells. ### Claim 52 (depends on 51) The system of claim 51, wherein the extended power headroom report format is configured as setup based on a value being indicated as setup. ### Claim 53 (depends on 51) The system of claim 51, wherein the wireless device is further configured to receive, via the secondary cell and based on the second Type 2 power headroom field, at least one message. ### Claim 54 (depends on 51) The system of claim 51, wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a power of the PUCCH of the secondary cell and a power of a physical uplink shared channel (PUSCH) of the secondary cell. ### Claim 55 (depends on 51) The system of claim 51, wherein the wireless device is further configured to transmit a subheader comprising a logical channel identifier (LCID) associated with the extended power headroom report MAC control element.