# US 11,115,937 B2 · Signal transmission power adjustment in a wireless device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,115,937 B2 - Document ID: US11115937B2 - Status: Granted - Kind: B2 - Application number: 16/531,870 - Filed: 2019-08-05 - Published: 2020-02-27 - Granted: 2021-09-07 - Earliest claimed: 2012-04-16 - Assignees: Comcast Cable Communications, LLC - Applicants: Comcast Cable Communications, LLC - Inventors: Esmael Hejazi Dinan - Web page: https://patentgrep.com/patent/US11115937B2 ## CPC - H04W 52/346: {distributing total power among users or channels} - H04B 7/2618: {using hybrid code-time division multiple access [CDMA-TDMA]} - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - H04L 5/14: Two-way operation using the same type of signal, i.e. duplex - H04L 27/18: Phase-modulated carrier systems, i.e. using phase-shift keying (H04L27/32 takes precedence) - H04L 69/22: Parsing or analysis of headers - H04W 52/325: {Power control of control or pilot channels} - H04W 52/34: TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading - H04W 52/367: {Power values between minimum and maximum limits, e.g. dynamic range} - H04W 52/54: Signalisation aspects of the TPC commands, e.g. frame structure - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 76/15: Setup of multiple wireless link connections - H04W 76/27: Transitions between radio resource control [RRC] states - H04W 76/38: triggered by timers - H04L 2101/622: Layer-2 addresses, e.g. medium access control [MAC] addresses - H04W 72/0473: {the resource being transmission power} - H04W 74/0833: Random access procedures, e.g. with 4-step access - H04W 88/02: Terminal devices - 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) - H04B: TRANSMISSION - 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. A wireless device may determine a first transmission power for a first signal and a second transmission power for a second signal. The wireless device may reduce signal transmission power of one or more of the first signal or the second signal, based on a calculated power value exceeding an allowable transmission power. The wireless device may reduce the signal transmission power during an overlap period or a non-overlap period, based on a duration of an overlap of the first signal with the second signal. ## Claims ### Claim 1 A method comprising: determining, by a wireless device, a first transmission power for a first signal in a first time interval associated with a first cell configured for the wireless device; determining a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period; determining that a calculated power value, comprising the first transmission power and the second transmission power, exceeds an allowable transmission power; reducing transmission power of one or more of the first signal or the second signal during the overlap period; and based on the overlap period exceeding a duration threshold, reducing transmission power of the one or more of the first signal or the second signal during a non-overlap period. ### Claim 2 (depends on 1) The method of claim 1, further comprising: based on the overlap period exceeding a second duration, reducing signal transmission power of one or more of: the first signal during a first portion of the non-overlap period, or the second signal during a second portion of the non-overlap period. ### Claim 3 (depends on 1) The method of claim 1, wherein the first cell is associated with a first cell group and the second cell is associated with a second cell group. ### Claim 4 (depends on 1) The method of claim 1, wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a calculated total transmission power for one or more scheduled transmissions. ### Claim 5 (depends on 1) The method of claim 1, further comprising: transmitting the first signal via a physical uplink control channel (PUCCH); and transmitting the second signal via a physical uplink shared channel (PUSCH). ### Claim 6 (depends on 1) The method of claim 1, further comprising: transmitting the first signal via a physical uplink shared channel (PUSCH); and transmitting the second signal via the PUSCH. ### Claim 7 (depends on 1) The method of claim 1, wherein the one or more of the first signal or the second signal comprises a random access preamble. ### Claim 8 (depends on 1) The method of claim 1, wherein the non-overlap period is greater than the overlap period. ### Claim 9 (depends on 1) The method of claim 1, wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a total transmission power of the wireless device. ### Claim 10 (depends on 1) The method of claim 1, wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal. ### 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: determine a first transmission power for a first signal in a first time interval associated with a first cell configured for the wireless device; determine a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period; determine that a calculated power value, comprising the first transmission power and the second transmission power, exceeds an allowable transmission power; reduce transmission power of one or more of the first signal or the second signal during the overlap period; and based on the overlap period exceeding a duration threshold, reduce transmission power of the one or more of the first signal or the second signal during a non-overlap period. ### Claim 12 (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: based on the overlap period exceeding a second duration, reduce signal transmission power of one or more of: the first signal during a first portion of the non-overlap period, or the second signal during a second portion of the non-overlap period. ### Claim 13 (depends on 11) The wireless device of claim 11, wherein the first cell is associated with a first cell group and the second cell is associated with a second cell group. ### Claim 14 (depends on 11) The wireless device of claim 11, wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a calculated total transmission power for one or more scheduled transmissions. ### 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: transmit the first signal via a physical uplink control channel (PUCCH); and transmit the second signal via a physical uplink shared channel (PUSCH). ### Claim 16 (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: transmit the first signal via a physical uplink shared channel (PUSCH); and transmit the second signal via the PUSCH. ### Claim 17 (depends on 11) The wireless device of claim 11, wherein the one or more of the first signal or the second signal comprises a random access preamble. ### Claim 18 (depends on 11) The wireless device of claim 11, wherein the non-overlap period is greater than the overlap period. ### Claim 19 (depends on 11) The wireless device of claim 11, wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a total transmission power of the wireless device. ### Claim 20 (depends on 11) The wireless device of claim 11, wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal. ### Claim 21 A method comprising: determining, by a wireless device, a first transmission power for a first signal in a first time interval associated with a first cell configured for the wireless device; determining a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period; and based on a calculated power value, comprising the first transmission power and the second transmission power, exceeding an allowable transmission power and based on the overlap period exceeding a duration threshold: reducing transmission power of one or more of the first signal or the second signal during the overlap period and during a non-overlap period. ### Claim 22 (depends on 21) The method of claim 21, further comprising: based on the overlap period exceeding a second duration, reducing signal transmission power of one or more of: the first signal during a first portion of the non-overlap period, or the second signal during a second portion of the non-overlap period. ### Claim 23 (depends on 21) The method of claim 21, wherein the first cell is associated with a first cell group and the second cell is associated with a second cell group. ### Claim 24 (depends on 21) The method of claim 21, wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a calculated total transmission power for one or more scheduled transmissions. ### Claim 25 (depends on 21) The method of claim 21, further comprising: transmitting the first signal via a physical uplink control channel (PUCCH); and transmitting the second signal via a physical uplink shared channel (PUSCH). ### Claim 26 (depends on 21) The method of claim 21, further comprising: transmitting the first signal via a physical uplink shared channel (PUSCH); and transmitting the second signal via the PUSCH. ### Claim 27 (depends on 21) The method of claim 21, wherein the one or more of the first signal or the second signal comprises a random access preamble. ### Claim 28 (depends on 21) The method of claim 21, wherein the non-overlap period is greater than the overlap period. ### Claim 29 (depends on 21) The method of claim 21, wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a total transmission power of the wireless device. ### Claim 30 (depends on 21) The method of claim 21, wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal. ### Claim 31 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: determine first transmission power for a first signal in a first time interval associated with a first cell configured for the wireless device; determine a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period; and based on a calculated power value, comprising the first transmission power and the second transmission power, exceeding an allowable transmission power and based on the overlap period exceeding a duration threshold: reduce transmission power of one or more of the first signal or the second signal during the overlap period and during a non-overlap period. ### Claim 32 (depends on 31) The wireless device of claim 31, wherein the instructions, when executed by the one or more processors, cause the wireless device to: based on the overlap period exceeding a second duration, reduce signal transmission power of one or more of: the first signal during a first portion of the non-overlap period, or the second signal during a second portion of the non-overlap period. ### Claim 33 (depends on 31) The wireless device of claim 31, wherein the first cell is associated with a first cell group and the second cell is associated with a second cell group. ### Claim 34 (depends on 31) The wireless device of claim 31, wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a calculated total transmission power for one or more scheduled transmissions. ### Claim 35 (depends on 31) The wireless device of claim 31, wherein the instructions, when executed by the one or more processors, cause the wireless device to: transmit the first signal via a physical uplink control channel (PUCCH); and transmit the second signal via a physical uplink shared channel (PUSCH). ### Claim 36 (depends on 31) The wireless device of claim 31, wherein the instructions, when executed by the one or more processors, cause the wireless device to: transmit the first signal via a physical uplink shared channel (PUSCH); and transmit the second signal via the PUSCH. ### Claim 37 (depends on 31) The wireless device of claim 31, wherein the one or more of the first signal or the second signal comprises a random access preamble. ### Claim 38 (depends on 31) The wireless device of claim 31, wherein the non-overlap period is greater than the overlap period. ### Claim 39 (depends on 31) The wireless device of claim 31, wherein the allowable transmission power is an allowable transmission power of the wireless device, and wherein the calculated power value is a total transmission power of the wireless device. ### Claim 40 (depends on 31) The wireless device of claim 31, wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal. ### Claim 41 A non-transitory computer-readable medium storing instructions that, when executed by one or more processors of a wireless device, cause: determining a first transmission power for a first signal in a first time interval associated with a first cell configured for the wireless device; determining a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period; determining that a calculated power value, comprising the first transmission power and the second transmission power, exceeds an allowable transmission power; reducing transmission power of one or more of the first signal or the second signal during the overlap period; and based on the overlap period exceeding a duration threshold, reducing transmission power of the one or more of the first signal or the second signal during a non-overlap period. ### Claim 42 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the instructions, when executed by the one or more processors, further cause: based on the overlap period exceeding a second duration, reducing signal transmission power of one or more of: the first signal during a first portion of the non-overlap period, or the second signal during a second portion of the non-overlap period. ### Claim 43 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the instructions, when executed by the one or more processors, further cause: transmitting the first signal via a physical uplink control channel (PUCCH); and transmitting the second signal via a physical uplink shared channel (PUSCH). ### Claim 44 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the instructions, when executed by the one or more processors further cause: transmitting the first signal via a physical uplink shared channel (PUSCH); and transmitting the second signal via the PUSCH. ### Claim 45 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the one or more of the first signal or the second signal comprises a random access preamble. ### Claim 46 (depends on 41) The non-transitory computer-readable medium of claim 41, wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal. ### Claim 47 A system comprising: a base station; and a wireless device, wherein the base station is configured to: send a control message associated with a first cell, and wherein the wireless device is configured to: receive, from the base station, the control message; determine a first transmission power for a first signal in a first time interval associated with the first cell configured for the wireless device; determine a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period; determine that a calculated power value, comprising the first transmission power and the second transmission power, exceeds an allowable transmission power; reduce transmission power of one or more of the first signal or the second signal during the overlap period; and based on the overlap period exceeding a duration threshold, reduce transmission power of the one or more of the first signal or the second signal during a non-overlap period. ### Claim 48 (depends on 47) The system of claim 47, wherein the wireless device is further configured to: based on the overlap period exceeding a second duration, reduce signal transmission power of one or more of: the first signal during a first portion of the non-overlap period, or the second signal during a second portion of the non-overlap period. ### Claim 49 (depends on 47) The system of claim 47, wherein the wireless device is further configured to: transmit the first signal via a physical uplink control channel (PUCCH); and transmit the second signal via a physical uplink shared channel (PUSCH). ### Claim 50 (depends on 47) The system of claim 47, wherein the wireless device is further configured to: transmit the first signal via a physical uplink shared channel (PUSCH); and transmit the second signal via the PUSCH. ### Claim 51 (depends on 47) The system of claim 47, wherein the one or more of the first signal or the second signal comprises a random access preamble. ### Claim 52 (depends on 47) The system of claim 47, wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal. ### Claim 53 A non-transitory computer-readable medium storing instructions that, when executed by one or more processors of a wireless device, cause: determining a first transmission power for a first signal in a first time interval associated with a first cell configured for the wireless device; determining a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period; and based on a calculated power value, comprising the first transmission power and the second transmission power, exceeding an allowable transmission power and based on the overlap period exceeding a duration threshold: reducing transmission power of one or more of the first signal or the second signal during the overlap period and during a non-overlap period. ### Claim 54 (depends on 53) The non-transitory computer-readable medium of claim 53, wherein the instructions, when executed by the one or more processors, further cause: based on the overlap period exceeding a second duration, reducing signal transmission power of one or more of: the first signal during a first portion of the non-overlap period, or the second signal during a second portion of the non-overlap period. ### Claim 55 (depends on 53) The non-transitory computer-readable medium of claim 53, wherein the instructions, when executed by the one or more processors, further cause: transmitting the first signal via a physical uplink control channel (PUCCH); and transmitting the second signal via a physical uplink shared channel (PUSCH). ### Claim 56 (depends on 53) The non-transitory computer-readable medium of claim 53, wherein the instructions, when executed by the one or more processors, further cause: transmitting the first signal via a physical uplink shared channel (PUSCH); and transmitting the second signal via the PUSCH. ### Claim 57 (depends on 53) The non-transitory computer-readable medium of claim 53, wherein the one or more of the first signal or the second signal comprises a random access preamble. ### Claim 58 (depends on 53) The non-transitory computer-readable medium of claim 53, wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal. ### Claim 59 A system comprising: a base station; and a wireless device, wherein the base station is configured to: send a control message associated with a first cell, and wherein the wireless device is configured to: receive, from the base station, the control message; determine first transmission power for a first signal in a first time interval associated with the first cell configured for the wireless device; determine a second transmission power for a second signal in a second time interval associated with a second cell configured for the wireless device, wherein the first signal overlaps in time with the second signal for an overlap period; and based on a calculated power value, comprising the first transmission power and the second transmission power, exceeding an allowable transmission power and based on the overlap period exceeding a duration threshold: reduce transmission power of one or more of the first signal or the second signal during the overlap period and during a non-overlap period. ### Claim 60 (depends on 59) The system of claim 59, wherein the wireless device is further configured to: based on the overlap period exceeding a second duration, reduce signal transmission power of one or more of: the first signal during a first portion of the non-overlap period, or the second signal during a second portion of the non-overlap period. ### Claim 61 (depends on 59) The system of claim 59, wherein the wireless device is further configured to: transmit the first signal via a physical uplink control channel (PUCCH); and transmit the second signal via a physical uplink shared channel (PUSCH). ### Claim 62 (depends on 59) The system of claim 59, wherein the wireless device is further configured to: transmit the first signal via a physical uplink shared channel (PUSCH); and transmit the second signal via the PUSCH. ### Claim 63 (depends on 59) The system of claim 59, wherein the one or more of the first signal or the second signal comprises a random access preamble. ### Claim 64 (depends on 59) The system of claim 59, wherein the first signal overlaps in time with the second signal during a portion of a first symbol of one or more of the first signal or the second signal.