# US 12,192,973 B2 · Reduced transmission power time interval indication in wireless networks > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,192,973 B2 - Document ID: US12192973B2 - Status: Granted - Kind: B2 - Application number: 18/198,637 - Filed: 2023-05-17 - Published: 2023-11-16 - Granted: 2025-01-07 - Earliest claimed: 2011-12-31 - Assignees: Comcast Cable Communications, LLC - Applicants: Comcast Cable Communications, LLC - Inventors: Esmael Hejazi Dinan - Web page: https://patentgrep.com/patent/US12192973B2 ## CPC - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04L 1/00: Arrangements for detecting or preventing errors in the information received {(correcting synchronisation H04L7/00)} - H04L 1/0003: {by switching between different modulation schemes} - H04L 1/0009: {by adapting the channel coding (H04L1/1812 takes precedence)} - H04L 1/0026: {Transmission of channel quality indication} - H04L 1/0057: {Block codes (H04L1/0061, H04L1/0064 take precedence)} - H04L 1/06: using space diversity - H04L 5/0046: {Determination of the number of bits transmitted on different sub-channels} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 27/2601: {Multicarrier modulation systems} - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/12: Wireless traffic scheduling - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 72/542: using measured or perceived quality - H04L 1/0064: {Concatenated codes} - H04W 28/18: Negotiating wireless communication parameters - H04W 72/54: based on quality criteria - H04W 84/045: {using private Base Stations, e.g. femto Base Stations, home Node B} - Y02D 30/70: in wireless communication networks - 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) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract Wireless communications are described. Reduced transmission power time intervals may be employed in communications via one or more cells. A wireless device may receive an indication of measurement resources for one or more cells. The wireless device may transmit channel state information for one or more of the cells. Cross carrier scheduling may be employed. ## Claims ### Claim 1 A method comprising: receiving, by a wireless device and for a first carrier, a broadcast comprising radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals; receiving, for a second carrier and via one or more control messages to the wireless device, configuration information that indicates: a second set of time intervals that are allocated as reduced transmission power time intervals; and a plurality of measurement time intervals; and transmitting measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals; wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval. ### Claim 2 (depends on 1) The method of claim 1, wherein the plurality of measurement time intervals either: excludes the second set of time intervals that are allocated as reduced transmission power time intervals; or consists of a subset of the second set of time intervals that are allocated as reduced transmission power time intervals. ### Claim 3 (depends on 1) The method of claim 1, wherein the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals, and further comprising: transmitting the measurement information based on a first plurality of subcarriers, of the second carrier, in the plurality of measurement time intervals; and transmitting second measurement information based on a second plurality of subcarriers, of the second carrier, in the second plurality of measurement time intervals. ### Claim 4 (depends on 1) The method of claim 1, wherein the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals, and further comprising: measuring, based on the plurality of measurement time intervals, first measurement information for one or more reduced transmission power time intervals; and measuring, based on the second plurality of measurement time intervals, second measurement information for one or more non-reduced transmission power time intervals. ### Claim 5 (depends on 1) The method of claim 1, further comprising receiving, during a reduced transmission power time interval, one of: a signal consisting essentially of a common reference signal in a control region; or a downlink signal, wherein: the downlink signal consists of no data; the downlink signal does not schedule data for transmission; the downlink signal does not schedule unicast traffic; or the downlink signal schedules data for transmission at a transmission power that is configured to be lower than the transmission power associated with the non-reduced transmission power time interval. ### Claim 6 A method comprising: broadcasting, by a node and for a first carrier, radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals; transmitting, for a second carrier and via one or more control messages to a wireless device, configuration information that indicates: a second set of time intervals that are allocated as reduced transmission power time intervals; and a plurality of measurement time intervals; and receiving measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals; wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval. ### Claim 7 (depends on 6) The method of claim 6, wherein the plurality of measurement time intervals comprises: at least one static measurement time interval that is associated with at least one of radio resource management for the second carrier or radio link management for the second carrier; and at least one dynamic measurement time interval that is associated with channel state information (CSI) measurement for the second carrier. ### Claim 8 (depends on 6) The method of claim 6, wherein the configuration information indicates that the second set of time intervals that are allocated as reduced transmission power time intervals is the same as the first set of time intervals that are allocated as reduced transmission power time intervals. ### Claim 9 (depends on 6) The method of claim 6, wherein: the first set of time intervals that are allocated as reduced transmission power time intervals is a first set of almost blank subframes of the first carrier; and the second set of time intervals that are allocated as reduced transmission power time intervals is a second set of almost blank subframes of the second carrier. ### Claim 10 (depends on 6) The method of claim 6, wherein the transmitting the configuration information comprises transmitting a unicast control message comprising the configuration information. ### Claim 11 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, for a first carrier, a broadcast comprising radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals; receive, for a second carrier and via one or more control messages to the wireless device, configuration information that indicates: a second set of time intervals that are allocated as reduced transmission power time intervals; and a plurality of measurement time intervals; and transmit measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals; wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval. ### Claim 12 (depends on 11) The wireless device of claim 11, wherein the plurality of measurement time intervals comprises: at least one static measurement time interval that is associated with at least one of radio resource management for the second carrier or radio link management for the second carrier; and at least one dynamic measurement time interval that is associated with channel state information (CSI) measurement for the second carrier. ### Claim 13 (depends on 11) The wireless device of claim 11, wherein the configuration information indicates that the second set of time intervals that are allocated as reduced transmission power time intervals is the same as the first set of time intervals that are allocated as reduced transmission power time intervals. ### Claim 14 (depends on 11) The wireless device of claim 11, wherein: the first set of time intervals that are allocated as reduced transmission power time intervals is a first set of almost blank subframes of the first carrier; and the second set of time intervals that are allocated as reduced transmission power time intervals is a second set of almost blank subframes of the second carrier. ### Claim 15 (depends on 11) The wireless device of claim 11, wherein the instructions, when executed by the one or more processors, cause the wireless device to receive the configuration information at least by receiving a unicast control message comprising the configuration information. ### Claim 16 A node comprising: one or more processors; and memory storing instructions that, when executed by the one or more processors, cause the node to: broadcast, for a first carrier, radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals; transmit, for a second carrier and via one or more control messages to a wireless device, configuration information that indicates: a second set of time intervals that are allocated as reduced transmission power time intervals; and a plurality of measurement time intervals; and receive measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals; wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval. ### Claim 17 (depends on 16) The node of claim 16, wherein the plurality of measurement time intervals either: excludes the second set of time intervals that are allocated as reduced transmission power time intervals; or consists of a subset of the second set of time intervals that are allocated as reduced transmission power time intervals. ### Claim 18 (depends on 16) The node of claim 16, wherein: the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals; and the instructions, when executed by the one or processors, further cause the node to: receive the measurement information based on a first plurality of subcarriers, of the second carrier, in the plurality of measurement time intervals; and receive second measurement information based on a second plurality of subcarriers, of the second carrier, in the second plurality of measurement time intervals. ### Claim 19 (depends on 16) The node of claim 16, wherein the measurement information associated with the second carrier comprises channel state information (CSI) associated with the second carrier. ### Claim 20 (depends on 16) The node of claim 16, wherein the instructions, when executed by the one or more processors, further cause the node to transmit, during a reduced transmission power time interval, one of: a signal consisting essentially of a common reference signal in a control region; or a downlink signal, wherein: the downlink signal consists of no data; the downlink signal does not schedule data for transmission; the downlink signal does not schedule unicast traffic; or the downlink signal schedules data for transmission at a transmission power that is configured to be lower than the transmission power associated with the non-reduced transmission power time interval. ### Claim 21 (depends on 1) The method of claim 1, wherein the one or more control messages comprise one or more radio resource control (RRC) messages. ### Claim 22 (depends on 6) The method of claim 6, wherein the one or more control messages comprise one or more radio resource control (RRC) messages. ### Claim 23 (depends on 11) The wireless device of claim 11, wherein the one or more control messages comprise one or more radio resource control (RRC) messages. ### Claim 24 (depends on 16) The node of claim 16, wherein the one or more control messages comprise one or more radio resource control (RRC) messages. ### Claim 25 A non-transitory, computer-readable medium having executable instructions stored thereon that, when executed by one or more processors of a wireless device, cause: receiving, for a first carrier, a broadcast comprising radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals; receiving, for a second carrier and via one or more control messages to the wireless device, configuration information that indicates: a second set of time intervals that are allocated as reduced transmission power time intervals; and a plurality of measurement time intervals; and transmitting measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals; wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval. ### Claim 26 (depends on 25) The non-transitory, computer-readable medium of claim 25, wherein the plurality of measurement time intervals either: excludes the second set of time intervals that are allocated as reduced transmission power time intervals; or consists of a subset of the second set of time intervals that are allocated as reduced transmission power time intervals. ### Claim 27 (depends on 25) The non-transitory, computer-readable medium of claim 25, wherein the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals, and wherein the instructions, when executed, further cause: transmitting the measurement information based on a first plurality of subcarriers, of the second carrier, in the plurality of measurement time intervals; and transmitting second measurement information based on a second plurality of subcarriers, of the second carrier, in the second plurality of measurement time intervals. ### Claim 28 (depends on 25) The non-transitory, computer-readable medium of claim 25, wherein the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals, and wherein the instructions, when executed, further cause: measuring, based on the plurality of measurement time intervals, first measurement information for one or more reduced transmission power time intervals; and measuring, based on the second plurality of measurement time intervals, second measurement information for one or more non-reduced transmission power time intervals. ### Claim 29 (depends on 25) The non-transitory, computer-readable medium of claim 25, wherein the instructions, when executed, further cause receiving, during a reduced transmission power time interval, one of: a signal consisting essentially of a common reference signal in a control region; or a downlink signal, wherein: the downlink signal consists of no data; the downlink signal does not schedule data for transmission; the downlink signal does not schedule unicast traffic; or the downlink signal schedules data for transmission at a transmission power that is configured to be lower than the transmission power associated with the non-reduced transmission power time interval. ### Claim 30 (depends on 25) The non-transitory, computer-readable medium of claim 25, wherein the one or more control messages comprise one or more radio resource control (RRC) messages. ### Claim 31 A non-transitory, computer-readable medium having executable instructions stored thereon that, when executed by one or more processors of a node, cause: broadcasting, for a first carrier, radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals; transmitting, for a second carrier and via one or more control messages to a wireless device, configuration information that indicates: a second set of time intervals that are allocated as reduced transmission power time intervals; and a plurality of measurement time intervals; and receiving measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals; wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval. ### Claim 32 (depends on 31) The non-transitory, computer-readable medium of claim 31, wherein the plurality of measurement time intervals comprises: at least one static measurement time interval that is associated with at least one of radio resource management for the second carrier or radio link management for the second carrier; and at least one dynamic measurement time interval that is associated with channel state information (CSI) measurement for the second carrier. ### Claim 33 (depends on 31) The non-transitory, computer-readable medium of claim 31, wherein the configuration information indicates that the second set of time intervals that are allocated as reduced transmission power time intervals is the same as the first set of time intervals that are allocated as reduced transmission power time intervals. ### Claim 34 (depends on 31) The non-transitory, computer-readable medium of claim 31, wherein: the first set of time intervals that are allocated as reduced transmission power time intervals is a first set of almost blank subframes of the first carrier; and the second set of time intervals that are allocated as reduced transmission power time intervals is a second set of almost blank subframes of the second carrier. ### Claim 35 (depends on 31) The non-transitory, computer-readable medium of claim 31, wherein the transmitting the configuration information comprises transmitting a unicast control message comprising the configuration information. ### Claim 36 (depends on 31) The non-transitory, computer-readable medium of claim 31, wherein the one or more control messages comprise one or more radio resource control (RRC) messages. ### Claim 37 A system comprising: a wireless device; and a node; wherein the node is configured to: broadcast, for a first carrier, radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals; transmit, for a second carrier and via one or more control messages to a wireless device, configuration information that indicates: a second set of time intervals that are allocated as reduced transmission power time intervals; and a plurality of measurement time intervals; and receive measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals; wherein the wireless device is configured to: receiving, for the first carrier, the radio resource configuration information; receiving, for the second carrier and via the one or more control messages to the wireless device, the configuration information; and transmitting the measurement information associated with the second carrier; and wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval. ### Claim 38 (depends on 37) The system of claim 37, wherein the plurality of measurement time intervals either: excludes the second set of time intervals that are allocated as reduced transmission power time intervals; or consists of a subset of the second set of time intervals that are allocated as reduced transmission power time intervals. ### Claim 39 (depends on 37) The system of claim 37, wherein the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals, and wherein the wireless device is further configured to: transmit the measurement information based on a first plurality of subcarriers, of the second carrier, in the plurality of measurement time intervals; and transmit second measurement information based on a second plurality of subcarriers, of the second carrier, in the second plurality of measurement time intervals. ### Claim 40 (depends on 37) The system of claim 37, wherein the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals, and wherein the wireless device is further configured to: measure, based on the plurality of measurement time intervals, first measurement information for one or more reduced transmission power time intervals; and measure, based on the second plurality of measurement time intervals, second measurement information for one or more non-reduced transmission power time intervals. ### Claim 41 (depends on 37) The system of claim 37, wherein the wireless device is further configured to receive, during a reduced transmission power time interval, one of: a signal consisting essentially of a common reference signal in a control region; or a downlink signal, wherein: the downlink signal consists of no data; the downlink signal does not schedule data for transmission; the downlink signal does not schedule unicast traffic; or the downlink signal schedules data for transmission at a transmission power that is configured to be lower than the transmission power associated with the non-reduced transmission power time interval. ### Claim 42 (depends on 37) The system of claim 37, wherein the one or more control messages comprise one or more radio resource control (RRC) messages.