# US 2019/0174423 A1 · Systems and methods for uplink transmission power control > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0174423 A1 - Document ID: US20190174423A1 - Status: Published application - Kind: A1 - Application number: 16/323,475 - Filed: 2017-08-07 - Published: 2019-06-06 - Earliest claimed: 2016-08-05 - Assignees: Intel Corporation - Applicants: Intel Corporation - Inventors: Yushu Zhang; RongZhen Yang; Yuan Zhu; Gang Xiong; Wenting Chang; Guotong Wang; Dae Won Lee; Yongjun Kwak - Web page: https://patentgrep.com/patent/US20190174423A1 ## CPC - H04W 52/146: {Uplink power control} - H04B 7/0404: the mobile station comprising multiple antennas, e.g. to provide uplink diversity - H04B 7/0617: {for beam forming} - H04W 52/241: {taking into account channel quality metrics, e.g. SIR, SNR, CIR or Eb/lo} - H04W 52/242: {taking into account path loss} - H04W 52/243: {taking into account interferences} - H04W 52/325: {Power control of control or pilot channels} - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04W 52/245: {taking into account received signal strength} - 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 Uplink Transmission Power Control (TPC) techniques configured to compensate for variations in path loss and/or interference on a plurality of uplink transmission beams. ## Claims ### Claim at position 1 1-32. (canceled) ### Claim 33 An apparatus of a user equipment (UE) operable to configure uplink transmission power in a multi-beam system, the UE comprising: one or more processors configured to, decode, at the UE, higher level signaling received from a Base Station (BS) including one or more power control factors for corresponding ones of a plurality of uplink transmission beams; estimate, at the UE, a path loss for corresponding ones of the plurality of uplink transmission beams; and determine, at the UE, a transmission power of one or more of the plurality of uplink transmission beams as a function of the one or more decoded power control factors and the estimated path loss of the corresponding ones of the plurality of uplink transmission beams; and a memory interface configured to send to a memory one or more indicators of the determined transmission power of the corresponding ones of the plurality of uplink transmission beams. ### Claim 34 (depends on 33) The apparatus of claim 33, wherein the one or more processors are further configured to encode an uplink signal for transmission on one or more of the plurality of uplink transmission beams based on the determined transmission power of the corresponding ones of the plurality of uplink transmission beams. ### Claim 35 (depends on 33) The apparatus of claim 33, wherein the determined transmission power can be used for an Open Loop Power Control (OLPC) portion of a Transmit Power Control (TPC). ### Claim 36 (depends on 33) The apparatus of claim 33, wherein the one or more power control factors includes a resource block power (P0) for each of the plurality of uplink transmission beams. ### Claim 37 (depends on 36) The apparatus of claim 36, wherein the resource block power (P0) is a function of one or more of an interference, a thermal noise and a target signal interference noise ratio for each of the plurality of uplink transmission beams. ### Claim 38 (depends on 36) The apparatus of claim 36, wherein the one or more power control factors includes a path loss compensation factor (α) for each of a plurality of uplink transmission beams. ### Claim 39 (depends on 33) The apparatus of claim 33, wherein a first set of one or more power control factors are decoded for a first waveform used for a first one of the plurality of uplink transmission beams, and a second set of one or more power control factor are decoded for a second waveform used for a second one of the plurality of uplink transmission beams. ### Claim 40 (depends on 33) The apparatus of claim 33, wherein the higher level signaling includes one or more of a System Information Block (SIB), a Master Information Block (MIB), a Radio Resource Control (RRC), or a Media Access Control (MAC) Control Element (CE). ### Claim 41 (depends on 33) The apparatus of claim 33, wherein the transmission power of the one or more of the plurality of uplink transmission beams are each determined independently based on one or more of a target receive power, a path loss compensation factor (α), a power offsets and an accumulation flag, for one or more uplink data channels and uplink control channels. ### Claim 42 An apparatus of a user equipment (UE) operable to configure uplink transmission power in a multi-beam system, the UE comprising: one or more processors configured to, decode, at the UE, higher level signaling received from a Base Station (BS) including one or more power control factors common for a plurality of uplink transmission beams; decode, at the UE, higher level signaling received from the base station including one or more offset power control factors for corresponding ones of a plurality of uplink transmission beams; estimate, at the UE, a path loss for corresponding ones of the plurality of uplink transmission beams; and determine, at the UE, a transmission power of one or more of the plurality of uplink transmission beams as a function of the decoded common power control factor, the offset power control factors for corresponding ones of a plurality of uplink transmission beams, and the estimated path loss of the corresponding ones of the plurality of uplink transmission beams; and a memory interface configured to send to a memory one or more indicators of the determined transmission power of the corresponding ones of the plurality of uplink transmission beams. ### Claim 43 (depends on 42) The apparatus of claim 42, wherein the one or more processors are further configured to transmit on one or more of the plurality of uplink transmission beams based on the determined transmission power of the corresponding ones of the plurality of uplink transmission beams. ### Claim 44 (depends on 42) The apparatus of claim 42, wherein the common power control factors include a common resource block power (P0) for the plurality of uplink transmission beams. ### Claim 45 (depends on 44) The apparatus of claim 44, wherein the one or more offset power control factors for corresponding ones of the plurality of uplink transmission beams are a function of a difference in resource block power (P0) for corresponding ones of the plurality of uplink transmission beams. ### Claim 46 (depends on 44) The apparatus of claim 44, wherein the resource block power (P0) is a function of one or more of an interference, a thermal noise and a target signal interference noise ratio for the plurality of uplink transmission beams. ### Claim 47 (depends on 44) The apparatus of claim 44, wherein the common power control factor includes a path loss compensation factor (α) for the plurality of uplink transmission beams. ### Claim 48 (depends on 42) The apparatus of claim 42, wherein a first set of one or more power control factors are decoded for a first waveform used for a first one of the plurality of uplink transmission beams, and a second set of one or more power control factor are decoded for a second waveform used for a second one of the plurality of uplink transmission beams. ### Claim 49 (depends on 42) The apparatus of claim 42, wherein the higher level signaling includes one or more of a System Information Block (SIB), a Master Information Block (MIB), a Radio Resource Control (RRC), or a Media Access Control (MAC) Control Element (CE). ### Claim 50 (depends on 42) The apparatus of claim 42, wherein the transmission power of the one or more of the plurality of uplink transmission beams are each determined independently based on one or more of a target receive power, a path loss compensation factor (α), a power offsets and an accumulation flag, for one or more uplink data channels and uplink control channels. ### Claim 51 An apparatus of a user equipment (UE) operable to configure uplink transmission power in a multi-beam system, the UE comprising: one or more processors configured to, decode, at the UE, higher level signaling received from a Base Station (BS) including one or more power control factors of a plurality of Beam Management Signals (BMS); estimate, at the UE, a path loss for corresponding ones of the plurality of Beam Management Signals (BMS); determine, at the UE, a kth least path loss (PLkth) for the plurality of Uplink Beam Management Signals (UL BMS); and determine, at the UE, a transmission power of corresponding ones of the plurality of Uplink Beam Management Signals (UL BMS) as a function of the one or more decoded power control factors and the determined kth least path loss (PLkth) of the Downlink Beam Measurement Reference Signal (DL BM RS); and a memory interface configured to send to a memory one or more indicators of the determined transmission power of the corresponding ones of the plurality of Uplink Beam Management Signals (UL BMS). ### Claim 52 (depends on 51) The apparatus of claim 51, wherein one or more power control factors can be configured independently for different Beam Management Signals (BMS). ### Claim 53 (depends on 51) The apparatus of claim 51, wherein the resource block power (P0) is a function of one or more of an interference, a thermal noise and a target signal interference noise ratio for each of the plurality of Uplink Beam Management Signals (UL BMS). ### Claim 54 (depends on 51) The apparatus of claim 51, wherein the transmission power is further determined as a function of a power control offset ({circumflex over (λ)}). ### Claim 55 (depends on 51) The apparatus of claim 51, wherein the transmission power is further determined as a function of a first power control offset ({circumflex over (λ)}r) configured by higher level signaling and a second power control offset ({circumflex over (Δ)}d) configured by Downlink Control Information (DCI). ### Claim 56 (depends on 51) The apparatus of claim 51, wherein the one or more processors are further configured to transmit on one or more of the of the plurality of Uplink Beam Management Signals (UL BMS) based on the determined transmission power of the corresponding ones of the plurality of Uplink Beam Management Signals (UL BMS). ### Claim 57 (depends on 51) The apparatus of claim 51, wherein the plurality of Uplink Beam Management Signals (UL BMS) includes a Physical Random Access Channel (PRACH), a Sounding Reference Signal (SRS), or Physical Uplink Control Channel (PUCCH).