Downlink transmit power control group common DCI

Abstract

Methods, systems, and devices for wireless communication are described. A network entity may transmit control signaling indicating a format of group common downlink control information (DCI) associated with a tracking reference signal resource. The network entity may transmit the set of common DCI indicating a downlink power control configuration to be applied during transmission of the tracking reference signal. A user equipment (UE) may receive the set of common DCI according to the format and monitor tracking reference signals during the tracking reference signal resources according to the downlink power control configurations.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This patent application claims the benefit of U.S. patent application No. 17 / 869,543, filed by Abotabl et al. on July 20, 2022, and entitled “DOWNLINKTRANSMIT POWER CONTROL GROUP COMMON DCI,” which is assigned to the assignee of this application and is expressly incorporated herein by reference. Technical Field

[0003] The following relates to wireless communications, including downlink transmit power control group common downlink control information (DCI). Background Art

[0004] Wireless communication systems are widely deployed to provide various types of communication content, such as voice, video, packet data, messaging, broadcasting, and the like. These systems may be able to support communication with multiple users by sharing available system resources (e.g., time, frequency, and power). Examples of such multiple access systems include fourth generation (4G) systems (such as long term evolution (LTE) systems, advanced LTE (LTE-A) systems, or LTE-A Pro systems) and fifth generation (5G) systems (which may be referred to as new radio (NR) systems). These systems may employ techniques such as code division multiple access (CDMA), time division multiple access (TDMA), frequency division multiple access (FDMA), orthogonal FDMA (OFDMA), or discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-S-OFDM). A wireless multiple access communication system may include one or more base stations, each of which supports wireless communications for communication devices, which may be referred to as user equipment (UE).

[0005] Some wireless communication systems may support techniques for power control, such as to reduce power consumption of devices in the wireless communication network. For example, a UE may be configured with a set of power control parameters that may be used to determine the transmit power of uplink communications. These techniques may support reducing power consumption and reducing interference to other communications in the wireless communication system. Summary of the invention

[0006] The described technology relates to improved methods, systems, devices and apparatuses for supporting downlink transmit power control group common downlink control information (DCI). For example, the described technology enables a network entity to send control signaling indicating a format of a group common DCI associated with a tracking reference signal resource. The network entity may send the group common DCI, which indicates a downlink power control configuration to be applied during the transmission of a tracking reference signal. A user equipment (UE) may receive the group common DCI according to the format and monitor tracking reference signals during these tracking reference signal resources according to the downlink power control configurations indicated via the group common DCI.

[0007] A method for wireless communication at a network entity is described. The method may include: sending control signaling indicating a format of group common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations; sending the group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources; and sending the one or more tracking reference signals according to the one or more downlink power control configurations indicated via the group common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0008] An apparatus for wireless communication at a network entity is described. The apparatus may include a processor, a memory coupled to the processor, and instructions stored in the memory. The instructions may be executable by the processor to cause the apparatus to: send control signaling indicating a format of group common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations; send the group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources; and send the one or more tracking reference signals according to the one or more downlink power control configurations indicated via the group common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0009] Another apparatus for wireless communication at a network entity is described. The apparatus may include: means for sending control signaling indicating a format of group common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations; means for sending the group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources; and means for sending the one or more tracking reference signals according to the one or more downlink power control configurations indicated via the group common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0010] A non-transitory computer-readable medium storing code for wireless communication at a network entity is described. The code may include instructions executable by a processor to perform the following operations: sending control signaling indicating a format of group common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations; sending the group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources; and sending the one or more tracking reference signals according to the one or more downlink power control configurations indicated via the group common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0011] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, one or more downlink power control configurations indicated via the group common downlink control information indicate one or more power control values ​​to be applied for monitoring one or more tracking reference signals.

[0012] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the control signaling maps a set of downlink power control configurations in the group of multiple downlink power control configurations to corresponding indexes, and the group common downlink control information indicates an index that can be mapped to one or more downlink power control configurations via the control signaling.

[0013] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, one or more downlink power control configurations indicated via the group common downlink control information indicate one or more accumulated values.

[0014] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the control signaling maps a set of accumulated values ​​corresponding to the group of multiple downlink control configurations to corresponding indices, and the group common downlink control information indicates an index that can be mapped to one or more accumulated values.

[0015] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the group common downlink control information indicates identifiers of one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0016] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the one or more tracking reference signals may be sent according to the one or more downlink power control configurations and using the set of multiple tracking reference signal resources.

[0017] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the one or more tracking reference signals may be sent according to the one or more downlink power control configurations and using a subset of the set of the plurality of tracking reference signal resources.

[0018] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the control signaling maps a subset of the set of the plurality of tracking reference signal resources to a corresponding tracking reference signal group identifier.

[0019] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the group common downlink control information indicates an antenna configuration of the network entity, and the antenna configuration corresponds to the one or more downlink power control configurations.

[0020] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the control signaling maps a set of downlink power control configurations in the set of multiple downlink power control configurations to corresponding antenna configurations.

[0021] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the control signaling maps a set of downlink power control configurations in the group of multiple downlink power control configurations to corresponding power saving mode identifiers, and the group common downlink control information indicates the power saving mode identifiers mapped to the one or more downlink power control configurations.

[0022] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, group common downlink control information indicates a downlink power control configuration for a group of multiple user equipments (UEs), a tracking reference signal resource identifier for applying the downlink power control configuration, or both.

[0023] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the configuration indicates a location of the group common downlink control information, a length of the group common downlink control information, or both.

[0024] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the set of multiple downlink power control configurations indicates a power offset value, a synchronization signal power offset value, or both.

[0025] A method for wireless communication at a UE is described. The method may include: receiving control signaling indicating a format of group common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations; receiving the group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources; and monitoring the one or more tracking reference signals according to the one or more downlink power control configurations indicated via the group common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0026] A device for wireless communication at a UE is described. The device may include a processor, a memory coupled to the processor, and instructions stored in the memory. The instructions may be executable by the processor to cause the device to: receive a format indicating group common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and control signaling indicating a group of multiple downlink power control configurations; receive the group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources; and monitor the one or more tracking reference signals according to the one or more downlink power control configurations indicated via the group common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0027] Another apparatus for wireless communication at a UE is described. The apparatus may include: a means for receiving a control signaling indicating a format of group common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations; a means for receiving the group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources; and a means for monitoring the one or more tracking reference signals according to the one or more downlink power control configurations indicated via the group common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0028] A non-transitory computer-readable medium storing code for wireless communication at a UE is described. The code may include instructions that can be executed by a processor to perform the following operations: receiving a format indicating group common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations; receiving the group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources; and monitoring the one or more tracking reference signals according to the one or more downlink power control configurations indicated via the group common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0029] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, one or more downlink power control configurations indicated via the group common downlink control information indicate one or more power control values ​​to be applied for monitoring one or more tracking reference signals.

[0030] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the control signaling maps a set of downlink power control configurations in the group of multiple downlink power control configurations to corresponding indexes, and the group common downlink control information specifies indexes that can be mapped to one or more downlink power control configurations via the control signaling.

[0031] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, one or more downlink power control configurations indicated via group common downlink control information indicate one or more cumulative values, and monitoring one or more tracking reference signals includes monitoring the one or more tracking reference signals using one or more power control values ​​that can be based on the one or more cumulative values.

[0032] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the one or more power control values ​​may be based on the one or more accumulated values ​​and one or more other power control values ​​configured prior to receiving the group common downlink control information.

[0033] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the control signaling maps a set of cumulative values ​​corresponding to the group of multiple downlink control configurations to corresponding indexes, and monitoring one or more tracking reference signals includes monitoring the one or more tracking reference signals using one or more power control values ​​that can be based on one or more cumulative values ​​mapped to indexes specified in the group common downlink control information.

[0034] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the group common downlink control information indicates identifiers of one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0035] Some examples of the methods, apparatus, and non-transitory computer-readable media described herein may also include operations, features, components, or instructions for the following actions: monitoring the one or more tracking reference signals includes monitoring the one or more tracking reference signals using the one or more downlink power control configurations during the set of multiple tracking reference signal resources.

[0036] Some examples of the methods, apparatus, and non-transitory computer-readable media described herein may also include operations, features, components, or instructions for the following actions: monitoring the one or more tracking reference signals includes monitoring the one or more tracking reference signals using the one or more downlink power control configurations during a subset of the set of multiple tracking reference signal resources.

[0037] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the control signaling maps a subset of the set of the plurality of tracking reference signal resources to a corresponding tracking reference signal group identifier.

[0038] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the group common downlink control information indicates an antenna configuration of the network entity, and the antenna configuration corresponds to the one or more downlink power control configurations.

[0039] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the control signaling maps each set of downlink power control configurations in the set of the plurality of downlink power control configurations to a corresponding antenna configuration.

[0040] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the control signaling maps a set of downlink power control configurations in the group of multiple downlink power control configurations to corresponding power saving mode identifiers, and the group common downlink control information indicates the power saving mode identifiers mapped to the one or more downlink power control configurations.

[0041] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the group common downlink control information indicates a downlink power control configuration for a group of multiple UEs, a tracking reference signal resource identifier for applying the downlink power control configuration, or both.

[0042] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the configuration indicates a location of the group common downlink control information, a length of the group common downlink control information, or both.

[0043] In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the set of multiple downlink power control configurations indicates a power offset value, a synchronization signal power offset value, or both. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 An example of a wireless communication system supporting downlink transmit power control group common downlink control information (DCI) according to one or more aspects of the present disclosure is illustrated.

[0045] Figure 2 An example of a wireless communication system supporting a downlink transmit power control group common DCI according to one or more aspects of the present disclosure is illustrated.

[0046] Figure 3A and Figure 3B An example of a group-common DCI payload supporting a downlink transmit power control group-common DCI according to one or more aspects of the present disclosure is illustrated.

[0047] Figure 4 An example of a process flow for supporting downlink transmit power control group-common DCI according to one or more aspects of the present disclosure is illustrated.

[0048] Figure 5 and Figure 6A block diagram of a device supporting downlink transmission power control group common DCI according to one or more aspects of the present disclosure is shown.

[0049] Figure 7 A block diagram of a communication manager supporting downlink transmit power control group-common DCI according to one or more aspects of the present disclosure is shown.

[0050] Figure 8 A diagram of a system including a device supporting downlink transmit power control group-common DCI according to one or more aspects of the present disclosure is shown.

[0051] Fig. 9 and Fig.10 A block diagram of a device supporting downlink transmission power control group common DCI according to one or more aspects of the present disclosure is shown.

[0052] Fig.11 A block diagram of a communication manager supporting downlink transmit power control group-common DCI according to one or more aspects of the present disclosure is shown.

[0053] Fig.12 A diagram of a system including a device supporting downlink transmit power control group-common DCI according to one or more aspects of the present disclosure is shown.

[0054] Fig.13 and Fig.14 A flow chart illustrating a method of supporting downlink transmit power control group-common DCI according to one or more aspects of the present disclosure is shown. DETAILED DESCRIPTION

[0055] From the perspective of network energy consumption, the use of wireless communication technologies that support high-frequency communications may result in high costs. Network energy-saving technologies may support the adoption and expansion of cellular networks. For power control at the network side (e.g., a network entity), a UE may be configured with a radio resource control (RRC) with a power control configuration that the UE uses for channel measurement and reporting (e.g., channel state information (CSI) reporting). The network entity may use reports received from the UE (e.g., CSI reports) to adjust the power used for subsequent downlink transmissions. However, when used for frequent power adjustments to reduce power consumption, RRC signaling may be associated with high energy and resource utilization of the network entity.

[0056] The techniques described herein support the use of control signaling and group-common downlink control information (DCI) to support power control at a network entity. The network entity may send control signaling indicating a format of a group-common DCI associated with a downlink power control configuration. The network entity may send a group-common DCI indicating one or more downlink control configurations to be used for transmission of a tracking reference signal during a tracking reference signal resource. The network entity may send a tracking reference signal according to the one or more downlink power control configurations.

[0057] When control signaling indicating the format of group common downlink control information is sent, the receiving UE can decode the group common DCI to identify the power control configuration and use these power control configurations to receive and measure tracking reference signals for CSI reporting. Since DCI messaging is less expensive than RRC messaging in terms of power consumption and resource utilization, the group common DCI can be used to frequently update the power control configuration at the UE using less power and / or resources than when the power control configuration is updated using RRC, and therefore more frequent transmit power adjustments at the network entity can be supported. Therefore, the network entity can reduce overall power consumption relative to using only RRC messaging for downlink power control. These and other techniques are described in further detail with respect to the accompanying drawings.

[0058] Various aspects of the disclosure are first described in the context of a wireless communication system. Various aspects of the disclosure are also described with respect to a wireless communication system illustrating downlink power control, a group common DCI payload, and a process flow diagram illustrating signaling supporting downlink power control. Various aspects of the disclosure are also illustrated by and described with reference to apparatus diagrams, system diagrams, and flow diagrams related to downlink transmit power control group common DCI.

[0059] Figure 1 An example of a wireless communication system 100 supporting downlink transmit power control group common DCI according to one or more aspects of the present disclosure is illustrated. The wireless communication system 100 may include one or more network entities 105, one or more UEs 115, and a core network 130. In some examples, the wireless communication system 100 may be a long term evolution (LTE) network, an advanced LTE (LTE-A) network, an LTE-A Pro network, a new radio (NR) network, or a network operating according to other systems and radio technologies (including future systems and radio technologies not explicitly mentioned herein).

[0060] The network entities 105 may be dispersed throughout a geographic area to form the wireless communication system 100, and may include devices in different forms or with different capabilities. In various examples, the network entities 105 may be referred to as network elements, mobility elements, radio access network (RAN) nodes, or network equipment, among other names. In some examples, the network entities 105 and the UE 115 may communicate wirelessly via one or more communication links 125 (e.g., radio frequency (RF) access links). For example, the network entity 105 may support a coverage area 110 (e.g., a geographic coverage area), and the UE 115 and the network entity 105 may establish one or more communication links 125 over the coverage area. The coverage area 110 may be an example of a geographic area in which the network entity 105 and the UE 115 may support signal communications according to one or more radio access technologies (RATs).

[0061] The UEs 115 may be dispersed throughout the coverage area 110 of the wireless communication system 100, and each UE 115 may be stationary or mobile, or stationary and mobile at different times. The UEs 115 may be devices in different forms or with different capabilities. Figure 1 Some example UEs 115 are illustrated in FIG. 1 . The UEs 115 described herein may be capable of supporting communication with various types of devices, such as Figure 1 Communicate with other UEs 115 or network entities 105) as shown.

[0062] As described herein, a node of the wireless communication system 100 (which may be referred to as a network node or a wireless node) may be a network entity 105 (e.g., any network entity described herein), a UE 115 (e.g., any UE described herein), a network controller, an apparatus, a device, a computing system, one or more components, or another suitable processing entity configured to perform any of the techniques described herein. For example, the node may be a UE 115. As another example, the node may be a network entity 105. As another example, a first node may be configured to communicate with a second node or a third node. In one aspect of this example, the first node may be a UE 115, the second node may be a network entity 105, and the third node may be a UE 115. In another aspect of this example, the first node may be a UE 115, the second node may be a network entity 105, and the third node may be a network entity 105. In other aspects of this example, the first node, the second node, and the third node may be different relative to these examples. Similarly, references to UE 115, network entity 105, apparatus, device, computing system, etc. may include disclosure of UE 115, network entity 105, apparatus, device, computing system, etc. as nodes. For example, a disclosure that UE 115 is configured to receive information from network entity 105 also discloses that the first node is configured to receive information from a second node.

[0063] In some examples, the network entities 105 may communicate with the core network 130, or with each other, or both. For example, the network entities 105 may communicate with the core network 130 via one or more backhaul links 120 (e.g., according to S1, N2, N3, or other interface protocols). In some examples, the network entities 105 may communicate with each other directly (e.g., directly between the network entities 105) or indirectly (e.g., via the core network 130) via the backhaul communication links 120 (e.g., according to X2, Xn, or other interface protocols). In some examples, the network entities 105 may communicate with each other via midhaul communication links 162 (e.g., according to a midhaul interface protocol) or fronthaul communication links 168 (e.g., according to a fronthaul interface protocol) or any combination thereof. The backhaul communication links 120, midhaul communication links 162, or fronthaul communication links 168 may be or include one or more wired links (e.g., electrical links, optical fiber links), one or more wireless links (e.g., radio links, wireless optical links), etc. or various combinations thereof. UE 115 may communicate with core network 130 via communication link 155 .

[0064] One or more of the network entities 105 described herein may include or may be referred to as a base station 140 (e.g., a transceiver base station, a radio base station, an NR base station, an access point, a radio transceiver, a Node B, an evolved Node B (eNB), a next generation Node B, or a Gigabit Node B (any of which may be referred to as a gNB), a 5G NB, a next generation eNB (ng-eNB), a Home Node B, a Home Evolved Node B, or other suitable terms). In some examples, the network entity 105 (e.g., a base station 140) may be implemented in an aggregated (e.g., monolithic, standalone) base station architecture, which may be configured to utilize a protocol stack that is physically or logically integrated within a single network entity 105 (e.g., a single RAN node, such as a base station 140).

[0065] In some examples, the network entity 105 may be implemented in a disaggregated architecture (e.g., a disaggregated base station architecture, a disaggregated RAN architecture) that may be configured to utilize a protocol stack that is physically or logically distributed between two or more network entities 105, such as an integrated access backhaul (IAB) network, an open RAN (O-RAN) (e.g., a network configuration sponsored by the O-RAN Alliance), or a virtualized RAN (vRAN) (e.g., a cloud RAN (C-RAN)). For example, the network entity 105 may include one or more of the following: a central unit (CU) 160, a distributed unit (DU) 165, a radio unit (RU) 170, a RAN intelligent controller (RIC) 175 (e.g., a near real-time RIC (near RT RIC), a non-real-time RIC (non-RT RIC)), a service management and orchestration (SMO) 180 system, or any combination thereof. The RU 170 may also be referred to as a radio head, a smart radio head, a remote radio head (RRH), a remote radio unit (RRU), or a transmit receive point (TRP). One or more components of the network entity 105 in the decomposed RAN architecture may be co-located, or one or more components of the network entity 105 may be located in distributed locations (e.g., separate physical locations). In some examples, one or more network entities 105 of the decomposed RAN architecture may be implemented as virtual units (e.g., virtual CU (VCU), virtual DU (VDU), virtual RU (VRU)).

[0066] The functional split between CU 160, DU 165, and RU 170 is flexible and may support different functionalities depending on which functions (e.g., network layer functions, protocol layer functions, baseband functions, RF functions, and any combination thereof) are performed at CU 160, DU 165, and RU 170. For example, a functional split of a protocol stack may be employed between CU 160 and DU 165 such that CU 160 may support one or more layers of a protocol stack and DU 165 may support one or more different layers of a protocol stack. In some examples, CU 160 may host higher protocol layer (e.g., layer 3 (L3), layer 2 (L2)) functionality and signaling (e.g., radio resource control (RRC), service data adaptation protocol (SDAP), packet data convergence protocol (PDCP)). The CU 160 may be connected to one or more DUs 165 or RUs 170, and the one or more DUs 165 or RUs 170 may host lower protocol layers, such as layer 1 (L1) (e.g., physical (PHY) layer) or L2 (e.g., radio link control (RLC) layer, medium access control (MAC) layer) functionality and signaling, and may each be at least partially controlled by the CU 160. Additionally or alternatively, a functional split of the protocol stack may be employed between the DU 165 and the RU 170, such that the DU 165 may support one or more layers of the protocol stack, and the RU 170 may support one or more different layers of the protocol stack. The DU 165 may support one or more different cells (e.g., via one or more RUs 170). In some cases, the functional split between CU 160 and DU 165 or between DU 165 and RU 170 may be within the protocol layer (e.g., some functions of the protocol layer may be performed by one of CU 160, DU 165, or RU 170, while other functions of the protocol layer are performed by the other of CU 160, DU 165, or RU 170). CU 160 may be further functionally split into CU control plane (CU-CP) functions and CU user plane (CU-UP) functions. CU 160 may be connected to one or more DUs 165 via midhaul communication links 162 (e.g., F1, F1-c, F1-u), and DU 165 may be connected to one or more RUs 170 via fronthaul communication links 168 (e.g., open fronthaul (FH) interface). In some examples, midhaul communication link 162 or fronthaul communication link 168 may be implemented based on interfaces (eg, channels) between layers of a protocol stack supported by respective network entities 105 that communicate via those communication links.

[0067] In some wireless communication systems (e.g., wireless communication system 100), infrastructure and spectrum resources for radio access may support wireless backhaul link capabilities to supplement wired backhaul connections, thereby providing an IAB network architecture (e.g., to the core network 130). In some cases, in an IAB network, one or more network entities 105 (e.g., IAB nodes 104) may be partially controlled by each other. One or more IAB nodes 104 may be referred to as host entities or IAB hosts. One or more DUs 165 or one or more RUs 170 may be partially controlled by one or more CUs 160 associated with a host network entity 105 (e.g., a host base station 140). One or more host network entities 105 (e.g., IAB hosts) may communicate with one or more additional network entities 105 (e.g., IAB nodes 104) via supported access and backhaul links (e.g., backhaul communication links 120). The IAB node 104 may include an IAB mobile terminal (IAB-MT) controlled (e.g., scheduled) by a DU 165 of a coupled IAB host. The IAB-MT may include an independent set of antennas for relaying communications with the UE 115, or may share the same antennas of the IAB node 104 (e.g., of the RU 170) for access via the DU 165 of the IAB node 104 (e.g., referred to as a virtual IAB-MT (vIAB-MT)). In some examples, the IAB node 104 may include a DU 165 that supports communication links with additional entities (e.g., IAB node 104, UE 115) within a relay chain or configuration (e.g., downstream) of the access network. In such cases, one or more components of the decomposed RAN architecture (e.g., one or more IAB nodes 104 or components of the IAB node 104) may be configured to operate according to the techniques described herein.

[0068] In the case where the techniques described herein are applied to the context of a decomposed RAN architecture, one or more components of the decomposed RAN architecture may be configured to support downlink transmit power control group common DCI as described herein. For example, some operations described as being performed by UE 115 or network entity 105 (e.g., base station 140) may additionally or alternatively be performed by one or more components of the decomposed RAN architecture (e.g., IAB node 104, DU 165, CU 160, RU 170, RIC 175, SMO 180).

[0069] UE 115 may include or may be referred to as a mobile device, a wireless device, a remote device, a handheld device, or a subscriber device, or some other suitable term, where "device" may also be referred to as other examples such as a unit, a station, a terminal, or a client. UE 115 may also include or may be referred to as a personal electronic device such as a cellular phone, a personal digital assistant (PDA), a tablet computer, a laptop computer, or a personal computer. In some examples, UE 115 may include or may be referred to as other examples such as a wireless local loop (WLL) station, an Internet of Things (IoT) device, an Internet of Everything (IoE) device, or a machine type communication (MTC) device, which may be implemented in various objects such as appliances or vehicles, meters, and other examples.

[0070] The UE 115 described herein may be capable of communicating with various types of devices, such as other UEs 115, which may sometimes act as relays, as well as network entities 105 and network equipment including macro eNBs or gNBs, small cell eNBs or gNBs, relay base stations, and other examples, such as Figure 1 shown.

[0071] The UE 115 and the network entity 105 may use resources associated with one or more carriers to wirelessly communicate with each other via one or more communication links 125 (e.g., access links). The term "carrier" may refer to a collection of RF spectrum resources having a defined physical layer structure for supporting the communication link 125. For example, a carrier for the communication link 125 may include a portion of an RF spectrum band (e.g., a bandwidth portion (BWP)) that operates according to one or more physical layer channels for a given radio access technology (e.g., LTE, LTE-A, LTE-A Pro, NR). Each physical layer channel may carry acquisition signaling (e.g., synchronization signals, system information), control signaling for coordinating carrier operations, user data, or other signaling. The wireless communication system 100 may support communications with the UE 115 using carrier aggregation or multi-carrier operation. Depending on the carrier aggregation configuration, the UE 115 may be configured to have multiple downlink component carriers and one or more uplink component carriers. Carrier aggregation may be used for both frequency division duplex (FDD) and time division duplex (TDD) component carriers. Communication between the network entity 105 and other devices may refer to communication between a device and any portion (e.g., entity, sub-entity) of the network entity 105. For example, the terms "send," "receive," or "communicate" when referring to the network entity 105 may refer to any portion of the network entity 105 (e.g., base station 140, CU 160, DU 165, RU 170) of the RAN communicating with another device (e.g., directly or via one or more other network entities 105).

[0072] The signal waveform transmitted via the carrier may include multiple subcarriers (e.g., using multi-carrier modulation (MCM) techniques, such as orthogonal frequency division multiplexing (OFDM) or discrete Fourier transform spread OFDM (DFT-S-OFDM)). In a system using MCM techniques, a resource element may refer to a resource of one symbol period (e.g., the duration of one modulation symbol) and one subcarrier, in which case the symbol period and the subcarrier spacing may be inversely related. The number of bits carried by each resource element may depend on the modulation scheme (e.g., the order of the modulation scheme, the coding rate of the modulation scheme, or both), so that a relatively high number of resource elements (e.g., in the transmission duration) and a relatively high order modulation scheme may correspond to a relatively high communication rate. Wireless communication resources may refer to a combination of RF spectrum resources, time resources, and spatial resources (e.g., spatial layers, beams), and the use of multiple spatial resources may increase the data rate or data integrity of communications with UE 115.

[0073] The time interval for the network entity 105 or the UE 115 may be expressed in multiples of a basic time unit, which may be, for example, a sampling period T s =1 / (Δf max ·N f ) seconds, where Δf max It can represent the supported subcarrier spacing, and N f The supported discrete Fourier transform (DFT) size may be indicated. The time intervals of the communication resources may be organized according to radio frames each having a specified duration (e.g., 10 milliseconds (ms)). Each radio frame may be identified by a system frame number (SFN) (e.g., ranging from 0 to 1023).

[0074] Each frame may include multiple consecutively numbered subframes or time slots, and each subframe or time slot may have the same duration. In some examples, the frame may be divided into subframes (e.g., in the time domain), and each subframe may be further divided into multiple time slots. Alternatively, each frame may include a variable number of time slots, and the number of time slots may depend on the subcarrier spacing. Each time slot may include multiple symbol periods (e.g., depending on the length of the cyclic prefix added before each symbol period). In some wireless communication systems 100, the time slot may be further divided into multiple micro time slots associated with one or more symbols. Excluding the cyclic prefix, each symbol period may be associated with one or more (e.g., N f The duration of a symbol period may depend on the subcarrier spacing or the operating frequency band.

[0075] A subframe, a slot, a mini-slot, or a symbol may be the smallest scheduling unit (e.g., in the time domain) of the wireless communication system 100 and may be referred to as a transmit time interval (TTI). In some examples, the TTI duration (e.g., the number of symbol periods in a TTI) may be variable. Additionally or alternatively, the smallest scheduling unit (e.g., in bursts of shortened TTIs (sTTIs)) of the wireless communication system 100 may be dynamically selected.

[0076] Physical channels may be multiplexed according to various techniques in order to communicate using a carrier. Physical control channels and physical data channels may be multiplexed, for example, using one or more of a time division multiplexing (TDM) technique, a frequency division multiplexing (FDM) technique, or a hybrid TDM-FDM technique for signaling via a downlink carrier. A control region (e.g., a control resource set (CORESET)) of a physical control channel may be defined by a set of symbol periods and may extend across a system bandwidth of a carrier or a subset of that system bandwidth. One or more control regions (e.g., CORESETs) may be configured for a set of UEs 115. For example, one or more of these UEs 115 may monitor or search a control region to obtain control information according to one or more search space sets, and each search space set may include one or more control channel candidates in one or more aggregation levels arranged in a cascaded manner. The aggregation level of a control channel candidate may refer to the amount of control channel resources (e.g., control channel elements (CCEs)) associated with coded information for a control information format having a given payload size. The search space sets may include a common search space set configured for transmitting control information to a plurality of UEs 115 , and a UE-specific search space set for transmitting control information to a specific UE 115 .

[0077] In some examples, the network entities 105 (e.g., base stations 140, RUs 170) may be mobile and thus provide communication coverage for mobile coverage areas 110. In some examples, different coverage areas 110 associated with different technologies may overlap, but the different coverage areas 110 may be supported by the same network entity 105. In some other examples, overlapping coverage areas 110 associated with different technologies may be supported by different network entities 105. The wireless communication system 100 may include, for example, a heterogeneous network in which different types of network entities 105 provide coverage for various coverage areas 110 using the same or different radio access technologies.

[0078] Some UEs 115 may be configured to employ a reduced power consumption mode of operation, such as half-duplex communication (e.g., a mode that supports one-way communication via transmission or reception but does not transmit and receive concurrently). In some examples, half-duplex communication may be performed at a reduced peak rate. Other power saving techniques for UEs 115 include entering a power saving deep sleep mode when not engaged in active communications, operating using limited bandwidth (e.g., according to narrowband communications), or a combination of these techniques. For example, some UEs 115 may be configured to operate using a narrowband protocol type that is associated with a defined portion or range (e.g., a subcarrier or resource block (RB) set) within a carrier, within a guard band of a carrier, or outside a carrier.

[0079] The wireless communication system 100 may be configured to support ultra-reliable communication or low-latency communication or various combinations thereof. For example, the wireless communication system 100 may be configured to support ultra-reliable low-latency communication (URLLC). The UE 115 may be designed to support ultra-reliable or low-latency or critical functions. Ultra-reliable communication may include private communication or group communication, and may be supported by one or more services (such as push-to-talk, video, or data). Support for ultra-reliable, low-latency functions may include prioritization of services, and such services may be used for public safety applications or general commercial applications. The terms ultra-reliable, low-latency, and ultra-reliable low-latency are used interchangeably herein.

[0080] In some examples, the UE 115 may be configured to support communication directly with other UEs 115 via a device-to-device (D2D) communication link 135 (e.g., according to a peer-to-peer (P2P), D2D, or sidelink protocol). In some examples, one or more UEs 115 in a group that are performing D2D communication may be within a coverage area 110 of a network entity 105 (e.g., a base station 140, a RU 170), which may support aspects of such D2D communication configured (e.g., scheduled) by the network entity 105. In some examples, one or more UEs 115 in such a group may be outside of the coverage area 110 of the network entity 105, or may otherwise be unable or not configured to receive transmissions from the network entity 105. In some examples, a group of UEs 115 communicating via D2D communication may support a one-to-many (1:M) system, in which each UE 115 transmits to each of the other UEs 115 in the group. In some examples, network entity 105 may facilitate scheduling of resources for D2D communications. In some other examples, D2D communications may be performed between UEs 115 without involving network entity 105.

[0081] The core network 130 may provide user authentication, access authorization, tracking, Internet Protocol (IP) connectivity, and other access, routing, or mobility functions. The core network 130 may be an evolved packet core (EPC) or a 5G core (5GC), which may include at least one control plane entity for managing access and mobility (e.g., a mobility management entity (MME), an access and mobility management function (AMF)) and at least one user plane entity for routing packets or interconnecting to an external network (e.g., a serving gateway (S-GW)), a packet data network (PDN) gateway (P-GW), or a user plane function (UPF)). The control plane entity may manage non-access stratum (NAS) functions, such as mobility, authentication, and bearer management for UE 115 served by a network entity 105 (e.g., a base station 140) associated with the core network 130. User IP packets may be delivered via a user plane entity, which may provide IP address allocation and other functions. The user plane entity may be connected to an IP service 150 for one or more network operators. IP services 150 may include access to the Internet, an intranet, an IP Multimedia Subsystem (IMS), or packet-switched streaming services.

[0082] The wireless communication system 100 may operate using one or more frequency bands that may be in the range of 300 megahertz (MHz) to 300 gigahertz (GHz). Typically, the region from 300 MHz to 3 GHz is referred to as the ultra-high frequency (UHF) region or decimeter band because the wavelength range is approximately one decimeter to one meter. UHF waves may be blocked or redirected by buildings and environmental features (which may be referred to as clusters), but these waves may be sufficient to penetrate structures so that macro cells provide services to UEs 115 located indoors. Communications using UHF waves may be associated with smaller antennas and shorter ranges (e.g., less than 100 kilometers) than communications using the lower frequencies and longer wavelengths of the high frequency (HF) or very high frequency (VHF) portions of the spectrum below 300 MHz.

[0083] The wireless communication system 100 may also operate using a super high frequency (SHF) region that may be in the range of 3 GHz to 30 GHz (also referred to as a centimeter band) or an extremely high frequency (EHF) region that uses a spectrum (e.g., from 30 GHz to 300 GHz) (also referred to as a millimeter band). In some examples, the wireless communication system 100 may support millimeter wave (mmW) communications between UE 115 and network entity 105 (e.g., base station 140, RU 170), and the EHF antenna of the corresponding device may be smaller and closer than the UHF antenna. In some examples, such technology may facilitate the use of antenna arrays within the device. However, the propagation of EHF transmissions may be affected by greater attenuation and shorter range than SHF or UHF transmissions. The technology disclosed herein may be adopted across transmissions using one or more different frequency regions, and the use of frequency bands specified across these frequency regions may vary by country or regulatory agency.

[0084] The wireless communication system 100 may utilize both licensed RF spectrum bands and unlicensed RF spectrum bands. For example, the wireless communication system 100 may use unlicensed bands (such as the 5 GHz Industrial, Scientific, and Medical (ISM) band) to adopt license assisted access (LAA), LTE unlicensed (LTE-U) radio access technology, or NR technology. When operating using unlicensed RF spectrum bands, devices such as network entity 105 and UE 115 may use carrier sensing for conflict detection and avoidance. In some examples, operations performed using unlicensed bands may be based on carrier aggregation configuration in combination with component carriers (e.g., LAA) that operate using licensed bands. Operations performed using unlicensed spectrum may include downlink transmissions, uplink transmissions, P2P transmissions, or D2D transmissions, and the like.

[0085] The network entity 105 (e.g., base station 140, RU 170) or UE 115 may be equipped with multiple antennas that can be used to employ technologies such as transmit diversity, receive diversity, multiple-input multiple-output (MIMO) communication, or beamforming. The antennas of the network entity 105 or UE 115 may be located in one or more antenna arrays or antenna panels that can support MIMO operations or transmit or receive beamforming. For example, one or more base station antennas or antenna arrays may be co-located at an antenna assembly, such as an antenna tower. In some examples, antennas or antenna arrays associated with the network entity 105 may be located at different geographical locations. The network entity 105 may include an antenna array having a set of antenna ports of multiple rows and columns that the network entity 105 can use to support beamforming for communications with the UE 115. Similarly, the UE 115 may include one or more antenna arrays that can support various MIMO or beamforming operations. Additionally or alternatively, the antenna panel may support RF beamforming for signals sent via the antenna ports.

[0086] The network entity 105 or UE 115 may use MIMO communication to utilize multipath signal propagation and improve spectral efficiency by sending or receiving multiple signals via different spatial layers. Such a technique may be referred to as spatial multiplexing. Multiple signals may be, for example, sent by a transmitting device via different antennas or different combinations of antennas. Similarly, multiple signals may be received by a receiving device via different antennas or different combinations of antennas. Each of the multiple signals may be referred to as a separate spatial stream and may carry information associated with the same data stream (e.g., the same codeword) or different data streams (e.g., different codewords). Different spatial layers may be associated with different antenna ports for channel measurement and reporting. MIMO techniques include single-user MIMO (SU-MIMO), in which multiple spatial layers are sent to the same receiving device; and multi-user MIMO (MU-MIMO), in which multiple spatial layers are sent to multiple devices.

[0087] Beamforming (which may also be referred to as spatial filtering, directional transmission, or directional reception) is a signal processing technique that may be used at a transmitting device or a receiving device (e.g., a network entity 105, a UE 115) to shape or steer an antenna beam (e.g., a transmit beam, a receive beam) along a spatial path between the transmitting device and the receiving device. Beamforming may be achieved by combining signals conveyed via antenna elements of an antenna array so that some signals propagating along a particular orientation relative to the antenna array experience constructive interference, while other signals experience destructive interference. Adjustments to signals conveyed via antenna elements may include the transmitting device or the receiving device applying an amplitude offset, a phase offset, or both to signals carried via antenna elements associated with the device. Adjustments associated with each of the antenna elements may be defined by a set of beamforming weights associated with a particular orientation (e.g., relative to the antenna array of the transmitting device or the receiving device or relative to some other orientation).

[0088] The network entity 105 or UE 115 may use beam scanning techniques as part of a beamforming operation. For example, the network entity 105 (e.g., base station 140, RU 170) may use multiple antennas or antenna arrays (e.g., antenna panels) to perform beamforming operations for directional communication with UE 115. Some signals (e.g., synchronization signals, reference signals, beam selection signals, or other control signals) may be sent multiple times by the network entity 105 along different directions. For example, the network entity 105 may send signals according to different sets of beamforming weights associated with different transmission directions. Transmissions along different beam directions may be used to identify (e.g., by a transmitting device (such as network entity 105), or by a receiving device (such as UE 115)) beam directions for later transmission or reception by the network entity 105.

[0089] Some signals, such as data signals associated with a particular receiving device, may be sent by a transmitting device (e.g., transmitting network entity 105, transmitting UE 115) along a single beam direction (e.g., a direction associated with a receiving device (such as receiving network entity 105 or receiving UE 115)). In some examples, a beam direction associated with transmission along a single beam direction may be determined based on signals sent along one or more beam directions. For example, UE 115 may receive one or more of the signals sent by network entity 105 along different directions, and may report to network entity 105 an indication of the signal received by UE 115 with the highest signal quality or other acceptable signal quality.

[0090] In some examples, transmission by a device (e.g., by network entity 105 or UE 115) may be performed using multiple beam directions, and the device may use a combination of digital precoding or beamforming to generate a combined beam for transmission (e.g., from network entity 105 to UE 115). UE 115 may report feedback indicating precoding weights for one or more beam directions, and the feedback may correspond to a configured set of beams across a system bandwidth or one or more subbands. Network entity 105 may send a reference signal (e.g., a cell-specific reference signal (CRS), a channel state information reference signal (CSI-RS)), which may be precoded or non-precoded. UE 115 may provide feedback for beam selection, which may be a precoding matrix indicator (PMI) or codebook-based feedback (e.g., a multi-panel codebook, a linear combination codebook, a port selection codebook). Although these techniques are described with reference to signals sent along one or more directions by a network entity 105 (e.g., base station 140, RU 170), UE 115 may use similar techniques to send signals multiple times along different directions (e.g., to identify a beam direction for subsequent transmission or reception by UE 115), or to send signals along a single direction (e.g., to send data to a receiving device).

[0091] A receiving device (e.g., UE 115) may perform receiving operations according to multiple receiving configurations (e.g., directional listening) when receiving various signals (such as synchronization signals, reference signals, beam selection signals, or other control signals) from a receiving device (e.g., network entity 105). For example, the receiving device may perform reception according to multiple receiving directions by: receiving via different antenna subarrays, processing received signals according to different antenna subarrays, receiving according to different receiving beamforming weight sets (e.g., different directional listening weight sets) applied to signals received at multiple antenna elements of an antenna array, or processing received signals according to different receiving beamforming weight sets applied to signals received at multiple antenna elements of an antenna array, any of which may be referred to as "listening" according to different receiving configurations or receiving directions. In some examples, the receiving device may use a single receiving configuration to receive along a single beam direction (e.g., when receiving a data signal). A single receive configuration may be aligned along a beam direction determined based on listening according to different receive configuration directions (e.g., a beam direction determined to have the highest signal strength, highest signal-to-noise ratio (SNR), or other acceptable signal quality based on listening according to multiple beam directions).

[0092] The wireless communication system 100 may be a packet-based network that operates according to a layered protocol stack. In the user plane, the communication at the bearer or PDCP layer may be IP-based. The RLC layer may perform packet segmentation and reassembly to communicate via logical channels. The MAC layer may perform priority processing and multiplexing of logical channels to transport channels. The MAC layer may also implement error detection techniques, error correction techniques, or both to support retransmission to improve link efficiency. In the control plane, the RRC layer may provide the establishment, configuration, and maintenance of an RRC connection that supports a radio bearer for user plane data between the UE 115 and the network entity 105 or the core network 130. The PHY layer may map a transport channel to a physical channel.

[0093] UE 115 and network entity 105 may support retransmission of data to increase the likelihood that the data is successfully received. Hybrid automatic repeat request (HARQ) feedback is a technique for increasing the likelihood of correctly receiving data via a communication link (e.g., communication link 125, D2D communication link 135). HARQ may include a combination of error detection (e.g., using a cyclic redundancy check (CRC)), forward error correction (FEC), and retransmission (e.g., automatic repeat request (ARQ)). HARQ may improve throughput at the MAC layer under poor radio conditions (e.g., low signal-to-noise ratio conditions). In some examples, a device may support same-slot HARQ feedback, in which case the device may provide HARQ feedback in a specific time slot for data received via a previous symbol in the time slot. In some other examples, the device may provide HARQ feedback in a subsequent time slot or according to some other time interval.

[0094] The wireless communication system 100 may support techniques for power control in order to reduce the overall power consumption of devices (e.g., network entity 105 and UE 115) in the wireless communication system 100. In some examples, the UE 115 may be configured with a set of power control parameters that the UE 115 uses to determine uplink transmit power. In some examples, these parameters are configured using control signaling such as RRC, medium access control layer control element (MAC-CE), DCI, or a combination thereof. The network entity may also configure the UE 115 with parameters that the UE 115 is to use for reference signal measurement and reporting, and the network entity 105 may use the received measurement report for downlink power control. However, RRC signaling techniques may be used to configure downlink power control parameters to the UE, and RRC signaling may not support frequent power adjustments and may require significant resource overhead relative to other types of signaling (e.g., DCI). Therefore, from the perspective of network energy consumption, some wireless communication systems may be associated with high costs.

[0095] The techniques described herein support improved downlink power control at the network entity 105. The network entity may use a group-common DCI to configure a downlink power control configuration to one or more UEs 115. Since DCI signaling may not use as much resources as RRC signaling, the group-common DCI may support more frequent power control adjustments and, therefore, support an overall reduction in power consumption at a network device (e.g., the network entity 105) in the wireless communication system 100.

[0096] Figure 2 An example of a wireless communication system 200 supporting a downlink transmission power control group common DCI according to one or more aspects of the present disclosure is illustrated. The wireless communication system 200 includes a network entity 105-a and a UE 115-a, which may be as described in reference Figure 1 Examples of network entities 105 and UEs 115 are described. Figure 2 An example communication 205 between a network entity 105-a and a UE 115-a is illustrated. As described herein, the network entity 105-a and the UE 115-a may implement power control techniques to reduce overall power consumption in the wireless communication system 200.

[0097] In a cellular network, such as the network illustrated by wireless communication system 200, the network side (e.g., network entity 105) may account for a significant amount of the total energy consumed in the network. For example, 23% of the cost of running a cellular network may be related to energy consumption, and approximately 50% of the overall network energy consumption may be associated with the radio local area network. The increased adoption of high frequency communications may also contribute to increased energy consumption in cellular networks. Therefore, network energy saving techniques may support the adoption and expansion of cellular networks.

[0098] Power states and transmit power control (TPC) command techniques may be used to support transmit power control for a UE 115 (e.g., UE 115-a). Additional techniques rely on power states to support power control for different beams or panels in a device (e.g., UE 115-a and network entity 105-a). UE 115 may be configured with various parameters to determine the transmit power for uplink transmissions. For example, a TPC command may be sent from network entity 105-a to UE 115-a to configure uplink power control parameters to UE 115-a, and UE 115-a may use these uplink power control parameters in addition to various channel and reference signal measurements to determine the uplink transmit power. The TPC command may be sent via DCI format 2_2.

[0099] For downlink transmit power and as shown in diagram 210, the network entity 105-a may determine the transmit power of various transmissions using offsets relative to the transmit power of a signal 215 representing or including a secondary synchronization signal (SSS), a physical broadcast channel (PBCH), and a demodulation reference signal (DMRS). For example, a primary synchronization signal (PSS) is transmitted at a power ratio based on a parameter β. PSS The signal 225 may represent or include a physical downlink shared channel (PDSCH) and is sent with an offset from the signal 220 based on the value of the parameter powerControlOffsetSS (the parameter value may be referred to as the power offset value herein). The parameter powerControlOffsetSS is the power offset (in dB) of the NZP-CSI-RS resource element to the SSS resource element. The parameter powerControlOffset is the power offset (in dB) of the PDSCH resource element to the NZP CSI-RS resource element.

[0100] The parameters powerControlOffset and powerControlOffsetSS may be configured at UE 115-a using an NZP CSI-RS configuration (e.g., NZP-CSI-RS-Resource Information Element) sent by network entity 105-a (e.g., via RRC signaling). UE 115-a is configured with such information in order to measure reference signals and report reference signal measurement results. That is, a CSI-RS report sent by UE 115-a to network entity 105-a may include measurement results based on parameters powerControlOffset and powerControlOffsetSS. Network entity 105-a may use the information included in the report to adjust the transmit power of subsequent transmissions.

[0101] Therefore, downlink power adaptation can be used to save energy on the network side (e.g., at the network entity 105-a). However, in order to support power adaptation, the network entity 105-a may need to frequently modify or adjust the parameters powerControlOffset and powerControlOffsetSS. These parameters may be RRC-configured (e.g., via NZPCSI_RS configuration), and RRC signaling may be costly from a resource utilization perspective.

[0102] The technology described herein supports a group common DCI 230 for downlink power control. The group common DCI 230 (e.g., DCI format 2_8) may include an indication of one or more downlink power control configurations. These downlink power control configurations may correspond to corresponding values ​​of parameters powerControlOffset and powerControlOffsetSS. These corresponding values ​​may be indicated using various techniques via the group common DCI 230. According to a first option, the corresponding values ​​of powerControlOffset and powerControlOffsetSS may be indicated by the group common DCI 230 using corresponding cumulative values. The indicated cumulative values ​​may be added to the previously calculated powerControlOffset and powerControlOffsetSS, respectively, to obtain a new value of the tracking reference signal (TRS) transmit power. The cumulative value is a value to be added to the previously calculated or indicated parameter value. Example cumulative values ​​may include, but are not limited to, "-6dB", "-15dB", "0dB", "+3dB" and "+7dB", and these indicated values ​​may be added to the previously indicated or (e.g., based on the previously indicated cumulative value) calculated value. In an example, the group common DCI 230 may indicate a first value of powerControlOffset, a second value of powerControlOffsetSS, or both that may be used to determine the TRS transmit power.

[0103] According to a second option, the group-common DCI 230 may indicate respective absolute values ​​of the parameters powerControlOffset and powerControlOffsetSS. An absolute value is an actual value independent of a relationship to a previously indicated or calculated value. Example absolute values ​​may include, but are not limited to, "-15dB", "-7dB", "0dB", "7dB", and "-20dB", "-7dB", and "20dB". In an example, the group-common DCI 230 may indicate a first absolute value of powerControlOffset, a second absolute value of powerControlOffsetSS, which may be used to determine the TRS transmit power.

[0104] According to a third option, the values ​​of the parameters powerControlOffset and powerControlOffsetSS may be indicated by the group common DCI 230 based on the antenna configuration. Thus, the UE 115-a may be configured (e.g., via RRC signaling) to adjust the TRS power configuration based on the indicated antenna configuration. In an example, each antenna configuration in a set of antenna configurations may be associated with a value of powerControlOffset and powerControlOffsetSS. When the UE 115-a is configured with the antenna configuration via control signaling, the UE 115-a may determine the TRS transmit power using the corresponding values ​​of powerControlOffset and powerControlOffsetSS. The values ​​of powerControlOffset and powerControlOffsetSS may be cumulative values ​​or absolute values.

[0105] According to a fourth option, the values ​​of the parameters powerControlOffset and powerControlOffsetSS may be indicated by the group common DCI 230 according to the energy saving mode adaptation. For this option, the UE may be configured by the RRC to adjust the TRS power configuration based on the indicated energy saving mode. In an example, each energy saving mode in a set of energy saving modes may be associated with the values ​​of powerControlOffset and powerControlOffsetSS. When the UE 115-a is configured with an energy saving mode via control signaling, the UE 115-a may determine the TRS transmit power using the corresponding values ​​of powerControlOffset and powerControlOffsetSS. The values ​​of powerControlOffset and powerControlOffsetSS may be cumulative values ​​or absolute values.

[0106] In addition to indicating one or more downlink control configurations, the group-common DCI 230 may also indicate a TRS resource set identifier of a TRS resource set to which the one or more downlink power control configurations (e.g., values ​​of powerControlOffset and powerControlOffsetSS) apply. A TRS resource set may indicate one or more TRS resources in which one or more TRSs are communicated.

[0107] Thus, the group-common DCI 230 may be used to configure a downlink power control configuration to the UE 115-a. The UE 115-a may monitor the tracking reference signal during the indicated tracking reference signal resources and based on the downlink power control configuration. In some cases, the UE 115-a may perform measurements on the tracking reference signal using the downlink power control configuration and report such measurements to the network entity 105-a, and the network entity 105-a may use the received measurements to perform downlink transmit power adjustments. Thus, using the group-common DCI 230 described herein, the network entity may configure new power control configurations to the UE 115-a more frequently to support more frequent power adjustments at the network entity 105-a, which more frequent power adjustments may result in more efficient power utilization in the wireless communication system 200.

[0108] To support use of the group-common DCI 230 for power control configuration, the network entity 105-a may send control signaling (e.g., DCI format indication 235) indicating the format of the group-common DCI 230. In some examples, the control signaling is RRC signaling. The control signaling may configure the UE 115-a with the location and size of the expected payload in the group-common DCI 230, which may include an indication of the downlink power control configuration (e.g., the value of the power control parameter) and a TRS resource set identifier.

[0109] Additionally or alternatively, the control signaling may also configure the UE 115-a with a table or information that may then be signaled via the group-common DCI 230. For example, the control signaling may map power control configurations to indices, and one or more of the indices may be signaled by the group-common DCI 230. The control signaling may additionally or alternatively map accumulated value sets corresponding to the downlink control configurations to indices, and one or more of the indices may be signaled by the group-common DCI 230.

[0110] In some examples, the control signaling may configure UE 115-a with a table of antenna configurations that map to downlink power control configurations (e.g., TRS power configurations). Table 1 includes an example mapping that may be signaled via the control signaling:

[0111]

[0112]

[0113] Table 1

[0114] Thus, a set of antenna configurations may be mapped to corresponding downlink power control configurations that may include values ​​for parameters powerControlOffset and powerControlOffsetSS. These configuration mappings may be configured at UE 115-a via RRC signaling. Group-common DCI 230 may indicate one of these antenna configurations, and UE 115-a may use the corresponding downlink power control configuration to perform tracking reference signal monitoring, measurement, and reporting.

[0115] Additionally or alternatively, the control signaling may configure UE 115-a with an index table that maps to a power control configuration (e.g., a TRS power configuration). Table 2 includes an example mapping that may be signaled via the control signaling:

[0116] DL Tx power control index PowerOffset PowerOffsetSS 00 Value 1 Value 1' 01 Value 2 Value 2' 10 Value 3 Value 3' 11 Value 4 Value 4'

[0117] Table 2

[0118] Thus, a set of indices may be mapped to corresponding downlink power control configurations that may include values ​​for parameters powerControlOffset and powerControlOffsetSS. These configuration mappings may be configured at UE 115-a via RRC signaling. Group-common DCI 230 may indicate one of these indices, and UE 115-a may use the corresponding downlink power control configuration to perform tracking reference signal monitoring, measurement, and reporting.

[0119] Additionally or alternatively, the control signaling may configure, to UE 115-a, an index table that maps to cumulative values ​​and / or absolute values ​​for updating the TRS power configuration. Table 3 includes an example mapping that may be signaled via the control signaling:

[0120] DL TPC Cumulative powerOffset Absolute powerOffset Cumulative powerOffsetSS Absolute powerOffsetSS 00 -6dB -15dB -6dB -20dB 01 -3dB -7dB -3dB -7dB 10 0dB 0dB 0dB 0dB 11 +3dB +7dB +3dB +20dB

[0121] Table 3

[0122] Thus, a set of indices may be mapped to corresponding downlink power control configurations that may include values ​​for parameters powerControlOffset and powerControlOffsetSS. These configuration mappings may be configured at UE 115-a via RRC signaling. Group-common DCI 230 may indicate one or more of these indices, and UE 115-a may use the corresponding downlink power control configurations to perform tracking reference signal monitoring, measurement, and reporting.

[0123] The accumulated value may be added to the previously configured value to determine or configure a value for tracking reference signal monitoring. For example, if the value of powerControlOffset configured via RRC signaling or via a previously group-common DCI is 12 dB, and the group-common DCI 230 indicates -6 dB (e.g., via index 00 as shown in Table 3 or via an explicit indication), the UE 115-a may determine (e.g., update or configure) that the powerControlOffset value to be used for monitoring, measurement, and reporting is 6 dB (e.g., 12 dB minus 6 dB = 6 dB). In some cases, the RRC configures an initial value, and then indicates the accumulated value via the group-common DCI to update the value. In such cases, the power control value indicated by the group-common DCI may be applied to the previously determined power control value, and in this way, the power control value is accumulated.

[0124] Thus, various techniques may be used to configure and indicate a downlink power control configuration that a UE 115-a is to use to monitor a tracking reference signal sent by a network entity 105-a. The UE 115-a may be configured with a format for the DCI and may be configured with a mapping such that the group common DCI 230 may be used for downlink power control. These techniques may support reduced power consumption in the wireless communication system 200.

[0125] Figure 3A and Figure 3B An example DCI payload 300 supporting a downlink transmit power control group common DCI according to one or more aspects of the present disclosure is illustrated. The DCI payload 300 may be sent by a network entity 105 and received by a UE 115, which may be related to Figure 1 and Figure 2 An example of a corresponding device described. The UE 115 may be configured with a format of a group-common DCI via control signaling (e.g., RRC) so that the UE 115 is configured to monitor the group-common DCI in the corresponding control resource. The group-common DCI may indicate one or more power control configurations, and the UE 115 may monitor the tracking reference signal sent by the network entity 105 based on the downlink power control configuration indicated by the group-common DCI.

[0126] Figure 3A and Figure 3B An example group common DCI payload format is illustrated, but it should be understood that other formats are contemplated within the scope of the present disclosure. Figure 3A, the group-common DCI payload 300-a includes an indication of a downlink power control configuration (e.g., indication 305-a) followed by a corresponding TRS resource set identifier (e.g., TRS resource set identifier 310-a). In the depicted example, the payload format indicates that the downlink power control configuration immediately precedes the corresponding TRS resource set identifier. The control signaling described herein may indicate the location in the DCI and the length of the payload (e.g., the downlink power control configuration indication and the TRS resource set identifier) ​​to the UE 115, so that the UE 115 can identify the payload, the location of the corresponding downlink power control configuration, and the location of the corresponding TRS resource set identifier. Thus, each pair of downlink power control configuration indication and TRS resource set identifier of the group-common DCI payload 300-a may be intended for a different UE 115.

[0127] exist Figure 3B In the example, a group common DCI payload 300-b includes a set of indications of downlink power control configurations (e.g., indication 305-b) followed by a set of TRS resource set identifiers (e.g., TRS resource set identifier 310-b). In this example, the downlink power control configuration indications are cascaded and followed by the set of TRS resource set identifiers. In this example, the DCI payload format, TRS resource set identifier, may be applicable to multiple downlink power control configuration indications, which may support a reduced payload size. In another format, multiple indications of downlink power control configurations may be followed by a single TRS resource set identifier, and the pattern may be repeated so that the TRS resource set identifier is common to multiple downlink power control configurations.

[0128] UE 115 may be configured with multiple TRS resource sets, and therefore, the group-common DCI may indicate a TRS resource set identifier corresponding to the TRS resource set to which the downlink power control configuration is applicable. However, in some examples, the smaller payload size of the group-common DCI may support increased communication efficiency. In some cases, the TRS resource set identifier may not be signaled in the group-common DCI, and the UE may apply the indicated downlink power control configuration to some or all of the configured TRS resource sets. In some examples, UE 115 is configured with a large number of resource sets, and therefore, the resource set identifier may include a large number of bits. In order to reduce the number of bits in the group-common DCI payload, multiple groups of TRS resource sets may be configured to UE 115 and the UE may be signaled with a resource set group index to which the indicated downlink power control identifier may be applicable. That is, the UE may apply the downlink power control configuration to each TRS resource set within the indicated group. For example, if multiple TRS resource sets are configured into two groups, a bit indication may be used to indicate one of the groups (eg, a subset of the multiple TRS resource sets) to which the downlink power control configuration is to be applied (eg, for monitoring TRS).

[0129] Therefore, UE 115 can be configured with a group-common DCI format so that UE 115 can identify the applicable downlink power control configuration and SRS resource set identifier. UE 115 can use the information in the group-common DCI for TRS monitoring, measurement and reporting to support downlink power control and adaptation, thereby reducing overall power consumption in the wireless communication system.

[0130] Figure 4 An example of a process flow 400 for supporting a downlink transmit power control group common DCI according to one or more aspects of the present disclosure is illustrated. The process flow 400 includes a UE 115-b and a network entity 105-b, which may be related to Figure 1 3 . UE 115-b and network entity 105-b may implement aspects of process flow 400 to support downlink power control adaptation, which may result in reduced power consumption in a wireless communication system. In some examples, certain signaling or procedures of process flow 400 may occur in an order different from the order shown. Additionally or alternatively, some additional signaling procedures may occur, or some signaling or procedures may not occur.

[0131] At 405, the network entity 105-b may send, and the UE 115-b may receive, control signaling indicating a format of a group-common DCI associated with a plurality of TRS resources for downlink power control and indicating a plurality of downlink power control configurations. The control signaling may be RRC signaling indicating initial values ​​of parameters for downlink power control configurations (e.g., values ​​of powerControlOffset and powerControlOffsetSS), indicating a mapping of downlink power control configurations to indices, indicating a mapping of accumulated values ​​to indices, indicating a mapping of antenna configurations to downlink power control configurations, indicating a mapping of downlink power control modes to downlink power control configurations, or any combination thereof. In some examples, the control signaling may indicate a format indicating a location of the group-common downlink control information, a length of the group-common downlink control information, or both.

[0132] At 410, the network entity 105-b may send and the UE 115-b may receive a group common DCI according to the format. The group common DCI may indicate one or more downlink power control configurations in the multiple downlink power control configurations to be applied during the transmission of one or more TRSs during one or more TRS resources in the multiple TRS resources. In some examples, the one or more downlink power control configurations indicated by the group common DCI indicate one or more power control values ​​(e.g., values ​​of powerControlOffset and powerControlOffsetSS) to be applied for monitoring the one or more TRSs. The group common DCI may also indicate an identifier of one or more TRS resources during which the UE 115-b is to monitor using the downlink power control configuration. The group common DCI may indicate the one or more downlink power control configurations via an index mapped to the one or more power control configurations, via an index mapped to a cumulative value corresponding to a downlink power control configuration, via an antenna configuration mapped to a downlink power control configuration, via a power control mode mapped to a downlink power control configuration, or a combination thereof.

[0133] At 415, the network entity 105-b may transmit the one or more TRSs during one or more TRS resources of the plurality of TRS resources according to one or more downlink power control configurations indicated by the set of common downlink control information. For example, the network entity 105-b may use a transmit power based on a power control value (e.g., values ​​of powerControlOffset and powerControlOffsetSS) of the indicated power control configuration. The plurality of TRS resources may be time resources, frequency resources, spatial resources, or any combination thereof in which the TRSs are communicated.

[0134] At 420, UE 115-b may monitor one or more TRSs during one or more TRS resources of the plurality of TRS resources according to one or more downlink power control configurations indicated by the set of common downlink control information. For example, UE 115-b may monitor the TRS based on a power control value (e.g., an accumulated value) corresponding to the downlink power control configuration.

[0135] At 425, UE 115-b may send a measurement report to network entity 105-b, the measurement report indicating the results of monitoring / measuring TRS during tracking reference signal resources according to the downlink power control configuration. At 430, network entity 105-b may adjust the downlink transmit power based on the received measurement report. At 435, network entity 105-b may send a second group of common DCI, and the second group of common DCI may update the one or more downlink power control configurations. More specifically, the second group of common DCI may update the power control value signaled by the group common DCI sent at 410. In some examples, network entity 105-b may send the second group of common DCI based on or in response to the downlink transmit power being adjusted.

[0136] Figure 5 A block diagram 500 of a device 505 supporting downlink transmit power control group common DCI according to one or more aspects of the present disclosure is shown. The device 505 may be an example of aspects of the network entity 105 as described herein. The device 505 may include a receiver 510, a transmitter 515, and a communication manager 520. The device 505 may also include a processor. Each of these components may communicate with each other (e.g., via one or more buses).

[0137] Receiver 510 may provide means for obtaining (e.g., receiving, determining, identifying) information associated with various channels (e.g., control channels, data channels, information channels, channels associated with a protocol stack), such as user data, control information, or any combination thereof (e.g., I / Q samples, symbols, packets, protocol data units, service data units). The information may be communicated to other components of device 505. In some examples, receiver 510 may support obtaining information by receiving signals via one or more antennas. Additionally or alternatively, receiver 510 may support obtaining information by receiving signals via one or more wired (e.g., electrical, optical) interfaces, wireless interfaces, or any combination thereof.

[0138] The transmitter 515 may provide means for outputting (e.g., sending, providing, conveying, transmitting) information generated by other components of the device 505. For example, the transmitter 515 may output information associated with various channels (e.g., control channels, data channels, information channels, channels associated with a protocol stack), such as user data, control information, or any combination thereof (e.g., I / Q samples, symbols, packets, protocol data units, service data units). In some examples, the transmitter 515 may support outputting information by sending signals via one or more antennas. Additionally or alternatively, the transmitter 515 may support outputting information by sending signals via one or more wired (e.g., electrical, optical) interfaces, wireless interfaces, or any combination thereof. In some examples, the transmitter 515 and the receiver 510 may be co-located in a transceiver, which may include a modem or be coupled to a modem.

[0139] The communication manager 520, the receiver 510, the transmitter 515, or various combinations thereof, or various components thereof, may be examples of means for performing various aspects of the downlink transmit power control group common DCI as described herein. For example, the communication manager 520, the receiver 510, the transmitter 515, or various combinations thereof, or components thereof, may support methods for performing one or more of the functions described herein.

[0140] In some examples, the communication manager 520, the receiver 510, the transmitter 515, or various combinations or components thereof may be implemented in hardware (e.g., in a communication management circuit). The hardware may include a processor, a DSP, a CPU, an ASIC, an FPGA or other programmable logic device, a microcontroller, discrete gate or transistor logic, discrete hardware components, or any combination thereof that is configured as or otherwise supports means for performing the functions described in the present disclosure. In some examples, the processor and a memory coupled to the processor may be configured to perform one or more of the functions described herein (e.g., by executing instructions stored in the memory by the processor).

[0141] Additionally or alternatively, in some examples, the communication manager 520, the receiver 510, the transmitter 515, or various combinations or components thereof may be implemented in code executed by a processor (e.g., as communication management software or firmware). If implemented in code executed by a processor, the functionality of the communication manager 520, the receiver 510, the transmitter 515, or various combinations or components thereof may be performed by a general purpose processor (e.g., configured as or otherwise supporting means for performing the functions described in the present disclosure), a DSP, a CPU, an ASIC, an FPGA, a microcontroller, or any combination of these or other programmable logic devices.

[0142] In some examples, communication manager 520 may be configured to perform various operations (e.g., receive, obtain, monitor, output, transmit) using or otherwise cooperating with receiver 510, transmitter 515, or both. For example, communication manager 520 may receive information from receiver 510, transmit information to transmitter 515, or be integrated in conjunction with receiver 510, transmitter 515, or both to obtain information, output information, or perform various other operations as described herein.

[0143] The communication manager 520 may support wireless communication at a network entity according to examples as disclosed herein. For example, the communication manager 520 may be configured to or otherwise support a means for sending a format indicating a group of common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations. The communication manager 520 may be configured to or otherwise support a means for sending a group of common downlink control information according to the format, wherein the group of common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources. The communication manager 520 may be configured to or otherwise support a means for sending the one or more tracking reference signals according to one or more downlink power control configurations indicated via the group of common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0144] By including or configuring the communication manager 520 according to the examples described herein, the device 505 (e.g., a processor controlling or otherwise coupled to the receiver 510, the transmitter 515, the communication manager 520, or a combination thereof) may support techniques for reducing power consumption by supporting downlink power control adaptation using group common DCI signaling.

[0145] Figure 6 A block diagram 600 of a device 605 supporting downlink transmit power control group common DCI according to one or more aspects of the present disclosure is shown. The device 605 may be an example of aspects of the device 505 or the network entity 105 as described herein. The device 605 may include a receiver 610, a transmitter 615, and a communication manager 620. The device 605 may also include a processor. Each of these components may communicate with each other (e.g., via one or more buses).

[0146] Receiver 610 may provide means for obtaining (e.g., receiving, determining, identifying) information associated with various channels (e.g., control channels, data channels, information channels, channels associated with a protocol stack), such as user data, control information, or any combination thereof (e.g., I / Q samples, symbols, packets, protocol data units, service data units). The information may be communicated to other components of device 605. In some examples, receiver 610 may support obtaining information by receiving signals via one or more antennas. Additionally or alternatively, receiver 610 may support obtaining information by receiving signals via one or more wired (e.g., electrical, optical fiber) interfaces, wireless interfaces, or any combination thereof.

[0147] The transmitter 615 may provide means for outputting (e.g., transmitting, providing, conveying, transmitting) information generated by other components of the device 605. For example, the transmitter 615 may output information associated with various channels (e.g., control channels, data channels, information channels, channels associated with a protocol stack), such as user data, control information, or any combination thereof (e.g., I / Q samples, symbols, packets, protocol data units, service data units). In some examples, the transmitter 615 may support outputting information by sending signals via one or more antennas. Additionally or alternatively, the transmitter 615 may support outputting information by sending signals via one or more wired (e.g., electrical, optical) interfaces, wireless interfaces, or any combination thereof. In some examples, the transmitter 615 and the receiver 610 may be co-located in a transceiver, which may include a modem or be coupled to a modem.

[0148] The device 605 or its various components may be examples of components for performing various aspects of the downlink transmit power control group common DCI as described herein. For example, the communication manager 620 may include a DCI format interface 625, a DCI interface 630, a TRS interface 635, or any combination thereof. The communication manager 620 may be an example of various aspects of the communication manager 520 as described herein. In some examples, the communication manager 620 or its various components may be configured to use or otherwise cooperate with the receiver 610, the transmitter 615, or both to perform various operations (e.g., receive, obtain, monitor, output, send). For example, the communication manager 620 may receive information from the receiver 610, transmit information to the transmitter 615, or be integrated with the receiver 610, the transmitter 615, or both to obtain information, output information, or perform various other operations as described herein.

[0149] The communication manager 620 may support wireless communications at a network entity according to examples as disclosed herein. The DCI format interface 625 may be configured to or support a means for sending a format indicating group common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations. The DCI interface 630 may be configured to or otherwise support a means for sending group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources. The TRS interface 635 may be configured to or support a means for sending the one or more tracking reference signals according to one or more downlink power control configurations indicated via the group common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0150] Figure 7A block diagram 700 of a communication manager 720 supporting downlink transmit power control group common DCI according to one or more aspects of the present disclosure is shown. The communication manager 720 may be an example of aspects of the communication manager 520, the communication manager 620, or both as described herein. The communication manager 720 or its various components may be examples of means for performing various aspects of downlink transmit power control group common DCI as described herein. For example, the communication manager 720 may include a DCI format interface 725, a DCI interface 730, a TRS interface 735, a DCI component 740, a DCI format component 745, a TRS component 750, or any combination thereof. Each of these components may communicate with each other directly or indirectly (e.g., via one or more buses), which communication may include communication within a protocol layer of a protocol stack, communication associated with a logical channel of a protocol stack (e.g., between protocol layers of a protocol stack, within a device, component, or virtualized component associated with a network entity 105, between devices, components, or virtualized components associated with a network entity 105), or any combination thereof.

[0151] The communication manager 720 may support wireless communications at a network entity according to examples as disclosed herein. The DCI format interface 725 may be configured to or otherwise support a means for sending a format indicating group common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations. The DCI interface 730 may be configured to or otherwise support a means for sending group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources. The TRS interface 735 may be configured to or otherwise support a means for sending the one or more tracking reference signals according to one or more downlink power control configurations indicated via the group common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0152] In some examples, the one or more downlink power control configurations indicated via the group common downlink control information indicate one or more power control values ​​to be applied for monitoring one or more tracking reference signals. The one or more power control values ​​can be indicated via the DCI component 740.

[0153] In some examples, the control signaling maps a set of downlink power control configurations in the group of multiple downlink power control configurations to corresponding indices. The DCI format component 745 can indicate the mapping sent via the DCI format interface 725. In some examples, the group of common downlink control information indicates an index mapped to one or more downlink power control configurations via the control signaling. The DCI component 740 can identify the index indicated via the group of common downlink control information sent by the DCI interface 730.

[0154] In some examples, one or more downlink power control configurations indicated via the group common downlink control information indicate one or more cumulative values. The DCI component 740 can identify the cumulative values ​​indicated via the group common downlink control information sent by the DCI interface 730.

[0155] In some examples, the control signaling maps the cumulative value sets corresponding to the group of multiple downlink control configurations to corresponding indexes. The DCI format component 745 can identify the mappings of the cumulative value sets to the corresponding indexes, and the DCI format interface 725 can indicate these mappings. In some examples, the DCI component 740 can identify the indexes, and the group common downlink control information sent via the DCI interface 730 indicates the indexes mapped to the one or more cumulative values.

[0156] In some examples, the group common downlink control information sent via the DCI interface 730 indicates identifiers of one or more tracking reference signal resources in the set of multiple tracking reference signal resources. The identifiers of one or more tracking reference signal resources in the set of multiple tracking reference signal resources may be identified via the DCI component 740.

[0157] In some examples, the TRS interface 735 can be configured or otherwise support means for transmitting one or more tracking reference signals in accordance with the one or more downlink power control configurations and using the set of multiple tracking reference signal resources.

[0158] In some examples, the TRS interface 735 can be configured to or otherwise support means for transmitting one or more tracking reference signals in accordance with the one or more downlink power control configurations and using a subset of the set of the plurality of tracking reference signal resources.

[0159] In some examples, control signaling sent via the DCI format interface 725 maps a subset of the set of multiple tracking reference signal resources to a corresponding tracking reference signal group identifier.

[0160] In some examples, the group common downlink control information sent via the DCI interface 730 indicates an antenna configuration of the network entity. In some examples, the antenna configuration corresponds to the one or more downlink power control configurations. The DCI component 740 can identify the antenna configuration corresponding to or one or more downlink power control configurations.

[0161] In some examples, control signaling sent via the DCI format interface 725 maps a set of downlink power control configurations in the group of multiple downlink power control configurations to corresponding antenna configurations.

[0162] In some examples, control signaling sent via the DCI format interface 725 maps a set of downlink power control configurations in the group of multiple downlink power control configurations to corresponding power saving mode identifiers. In some examples, group common downlink control information sent via the DCI format interface 725 indicates a power saving mode identifier mapped to the one or more downlink power control configurations.

[0163] In some examples, the group common downlink control information sent via the DCI format interface 725 indicates a downlink power control configuration for a group of multiple UEs, a tracking reference signal resource identifier to be used to apply the downlink power control configuration, or both.

[0164] In some examples, the format indicated via the DCI format interface 725 indicates the location of the group common downlink control information, the length of the group common downlink control information, or both.

[0165] In some examples, the set of multiple downlink power control configurations indicated via group common downlink control information sent via the DCI interface 730 may indicate a power offset value, a synchronization signal power offset value, or both.

[0166] Figure 8A diagram of a system 800 including a device 805 supporting downlink transmit power control group common DCI according to one or more aspects of the present disclosure is shown. The device 805 can be an example of a device 505, a device 605, or a network entity 105 as described herein, or include components thereof. The device 805 can communicate with one or more network entities 105, one or more UEs 115, or any combination thereof, which communication may include communication through one or more wired interfaces, through one or more wireless interfaces, or any combination thereof. The device 805 may include components that support output and acquisition of communications, such as a communication manager 820, a transceiver 810, an antenna 815, a memory 825, a code 830, and a processor 835. These components may be electronically communicated or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more buses (e.g., a bus 840).

[0167] The transceiver 810 may support bidirectional communication via a wired link, a wireless link, or both as described herein. In some examples, the transceiver 810 may include a wired transceiver and may communicate bidirectionally with another wired transceiver. Additionally or alternatively, in some examples, the transceiver 810 may include a wireless transceiver and may communicate bidirectionally with another wireless transceiver. In some examples, the device 805 may include one or more antennas 815, which may be capable of (e.g., concurrently) sending or receiving wireless transmissions. The transceiver 810 may also include a modem for: modulating a signal; providing the modulated signal for transmission (e.g., via one or more antennas 815, via a wired transmitter); receiving the modulated signal (e.g., from one or more antennas 815, from a wired receiver); and demodulating the signal. Where applicable, the transceiver 810 or the transceiver 810 and one or more antennas 815 or a wired interface may be an example of a transmitter 515, a transmitter 615, a receiver 510, a receiver 610, or any combination thereof or any component thereof as described herein. In some examples, the transceiver is operable to support communication via one or more communication links (e.g., communication link 125, backhaul communication link 120, midhaul communication link 162, fronthaul communication link 168).

[0168] The memory 825 may include RAM and ROM. The memory 825 may store computer-readable, computer-executable code 830 including instructions that, when executed by the processor 835, cause the device 805 to perform various functions described herein. The code 830 may be stored in a non-transitory computer-readable medium (such as system memory or another type of memory). In some cases, the code 830 may not be directly executable by the processor 835, but may (e.g., when compiled and executed) cause the computer to perform the functions described herein. In some cases, the memory 825 may include, among other things, a BIOS that may control basic hardware or software operations, such as interaction with peripheral components or devices.

[0169] The processor 835 may include an intelligent hardware device (e.g., a general-purpose processor, a DSP, an ASIC, a CPU, an FPGA, a microcontroller, a programmable logic device, a discrete gate or transistor logic, a discrete hardware component, or any combination thereof). In some cases, the processor 835 may be configured to operate a memory array using a memory controller. In some other cases, the memory controller may be integrated into the processor 835. The processor 835 may be configured to execute computer-readable instructions stored in a memory (e.g., a memory 825) to enable the device 805 to perform various functions (e.g., functions or tasks supporting a downlink transmit power control group common DCI). For example, the device 805 or a component of the device 805 may include a processor 835 and a memory 825 coupled to the processor 835, and the processor 835 and the memory 825 are configured to perform various functions described herein. The processor 835 may be an example of a cloud computing platform (e.g., one or more physical nodes and supporting software (such as an operating system, a virtual machine, or a container instance)), which may host functions (e.g., by executing code 830) to perform the functions of the device 805.

[0170] In some examples, bus 840 may support communications of a protocol layer of a protocol stack (e.g., within the protocol layer). In some examples, bus 840 may support communications associated with a logical channel of a protocol stack (e.g., between protocol layers of the protocol stack), which may include communications performed within a component of device 805 or between different components of device 805 that may be co-located or located in different locations (e.g., where device 805 may refer to a system in which one or more of communication manager 820, transceiver 810, memory 825, code 830, and processor 835 may be located in one of the different components or divided between the different components).

[0171] In some examples, the communication manager 820 may manage aspects of communications with the core network 130 (e.g., via one or more wired or wireless backhaul links). For example, the communication manager 820 may manage the delivery of data communications for client devices, such as one or more UEs 115. In some examples, the communication manager 820 may manage communications with other network entities 105 and may include a controller or scheduler for controlling communications with the UEs 115 in coordination with the other network entities 105. In some examples, the communication manager 820 may support an X2 interface within an LTE / LTE-A wireless communication network technology to provide communications between network entities 105.

[0172] The communication manager 820 may support wireless communications at a network entity according to examples as disclosed herein. For example, the communication manager 820 may be configured to or otherwise support a means for sending a format indicating a group of common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations. The communication manager 820 may be configured to or otherwise support a means for sending a group of common downlink control information according to the format, wherein the group of common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources. The communication manager 820 may be configured to or otherwise support a means for sending the one or more tracking reference signals according to one or more downlink power control configurations indicated via the group of common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0173] By including or configuring the communication manager 820 according to examples as described herein, the device 805 can support techniques for reducing power consumption by supporting downlink power control adaptation using group common DCI signaling.

[0174] In some examples, the communication manager 820 may be configured to perform various operations (e.g., receive, obtain, monitor, output, transmit) using or otherwise cooperating with the transceiver 810, one or more antennas 815 (e.g., where applicable), or any combination thereof. Although the communication manager 820 is illustrated as a separate component, in some examples, one or more functions described with reference to the communication manager 820 may be supported or performed by the processor 835, the memory 825, the code 830, the transceiver 810, or any combination thereof. For example, the code 830 may include instructions that are executable by the processor 835 to cause the device 805 to perform various aspects of the downlink transmit power control group common DCI as described herein, or the processor 835 and the memory 825 may be otherwise configured to perform or support such operations.

[0175] Fig. 9 A block diagram 900 of a device 905 supporting downlink transmit power control group common DCI according to one or more aspects of the present disclosure is shown. The device 905 may be an example of aspects of a UE 115 as described herein. The device 905 may include a receiver 910, a transmitter 915, and a communication manager 920. The device 905 may also include a processor. Each of these components may communicate with each other (e.g., via one or more buses).

[0176] The receiver 910 may provide means for receiving information (such as packets, user data, control information, or any combination thereof) associated with various information channels (e.g., a control channel associated with a downlink transmit power control group common DCI, a data channel, an information channel). The information may be delivered to other components of the device 905. The receiver 910 may utilize a single antenna or a collection of multiple antennas.

[0177] The transmitter 915 may provide means for transmitting signals generated by other components of the device 905. For example, the transmitter 915 may transmit information (such as packets, user data, control information, or any combination thereof) associated with various information channels (e.g., a control channel related to a downlink transmit power control group common DCI, a data channel, an information channel). In some examples, the transmitter 915 may be co-located with the receiver 910 in a transceiver module. The transmitter 915 may utilize a single antenna or a collection of multiple antennas.

[0178] The communication manager 920, the receiver 910, the transmitter 915, or various combinations thereof, or various components thereof, may be examples of means for performing various aspects of the downlink transmit power control group common DCI as described herein. For example, the communication manager 920, the receiver 910, the transmitter 915, or various combinations thereof, or components thereof, may support methods for performing one or more of the functions described herein.

[0179] In some examples, the communication manager 920, the receiver 910, the transmitter 915, or various combinations or components thereof may be implemented in hardware (e.g., in a communication management circuit). The hardware may include a processor, a digital signal processor (DSP), a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device, a microcontroller, discrete gate or transistor logic, discrete hardware components, or any combination thereof that is configured as or otherwise supports means for performing the functions described in the present disclosure. In some examples, the processor and a memory coupled to the processor may be configured to perform one or more of the functions described herein (e.g., by executing instructions stored in the memory by the processor).

[0180] Additionally or alternatively, in some examples, the communication manager 920, the receiver 910, the transmitter 915, or various combinations or components thereof may be implemented in code executed by a processor (e.g., as communication management software or firmware). If implemented in code executed by a processor, the functionality of the communication manager 920, the receiver 910, the transmitter 915, or various combinations or components thereof may be performed by a general purpose processor (e.g., configured as or otherwise supporting means for performing the functions described in the present disclosure), a DSP, a CPU, an ASIC, an FPGA, a microcontroller, or any combination of these or other programmable logic devices.

[0181] In some examples, the communication manager 920 may be configured to perform various operations (e.g., receive, obtain, monitor, output, transmit) using or otherwise cooperating with the receiver 910, the transmitter 915, or both. For example, the communication manager 920 may receive information from the receiver 910, transmit information to the transmitter 915, or be integrated in conjunction with the receiver 910, the transmitter 915, or both to obtain information, output information, or perform various other operations as described herein.

[0182] The communication manager 920 may support wireless communication at the UE according to the examples disclosed herein. For example, the communication manager 920 may be configured to or otherwise support a component for receiving a format indicating a group of common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations. The communication manager 920 may be configured to or otherwise support a component for receiving the group of common downlink control information according to the format, wherein the group of common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources. The communication manager 920 may be configured to or otherwise support a component for monitoring the one or more tracking reference signals according to the one or more downlink power control configurations indicated via the group of common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0183] By including or configuring the communication manager 920 according to the examples described herein, the device 905 (e.g., a processor controlling or otherwise coupled to the receiver 910, the transmitter 915, the communication manager 920, or a combination thereof) may support techniques for reducing power consumption by supporting downlink power control adaptation using group common DCI signaling.

[0184] Fig.10 A block diagram 1000 of a device 1005 supporting downlink transmit power control group common DCI according to one or more aspects of the present disclosure is shown. The device 1005 may be an example of aspects of the device 905 or UE 115 as described herein. The device 1005 may include a receiver 1010, a transmitter 1015, and a communication manager 1020. The device 1005 may also include a processor. Each of these components may communicate with each other (e.g., via one or more buses).

[0185] The receiver 1010 may provide means for receiving information (such as packets, user data, control information, or any combination thereof) associated with various information channels (e.g., a control channel associated with a downlink transmit power control group common DCI, a data channel, an information channel). The information may be communicated to other components of the device 1005. The receiver 1010 may utilize a single antenna or a collection of multiple antennas.

[0186] The transmitter 1015 may provide means for transmitting signals generated by other components of the device 1005. For example, the transmitter 1015 may transmit information (such as packets, user data, control information, or any combination thereof) associated with various information channels (e.g., a control channel related to a downlink transmit power control group common DCI, a data channel, an information channel). In some examples, the transmitter 1015 may be co-located with the receiver 1010 in a transceiver module. The transmitter 1015 may utilize a single antenna or a collection of multiple antennas.

[0187] The device 1005 or its various components may be examples of components for performing various aspects of the downlink transmit power control group common DCI as described herein. For example, the communication manager 1020 may include a DCI format interface 1025, a DCI interface 1030, a TRS monitoring component 1035, or any combination thereof. The communication manager 1020 may be an example of various aspects of the communication manager 920 as described herein. In some examples, the communication manager 1020 or its various components may be configured to use or otherwise cooperate with the receiver 1010, the transmitter 1015, or both to perform various operations (e.g., receive, obtain, monitor, output, send). For example, the communication manager 1020 may receive information from the receiver 1010, transmit information to the transmitter 1015, or be integrated with the receiver 1010, the transmitter 1015, or both to obtain information, output information, or perform various other operations as described herein.

[0188] The communication manager 1020 may support wireless communication at the UE according to the examples disclosed herein. The DCI format interface 1025 may be configured to or otherwise support a component for receiving a format indicating a group of common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations. The DCI interface 1030 may be configured to or otherwise support a component for receiving group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources. The TRS monitoring component 1035 may be configured to or otherwise support a component for monitoring the one or more tracking reference signals according to the one or more downlink power control configurations indicated via the group common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0189] Fig.11A block diagram 1100 of a communication manager 1120 supporting downlink transmit power control group common DCI according to one or more aspects of the present disclosure is shown. The communication manager 1120 can be an example of aspects of the communication manager 920, the communication manager 1020, or both as described herein. The communication manager 1120 or its various components can be examples of components for performing various aspects of downlink transmit power control group common DCI as described herein. For example, the communication manager 1120 may include a DCI format interface 1125, a DCI interface 1130, a TRS monitoring component 1135, a DCI component 1140, a DCI format component 1145, a power control component 1150, or any combination thereof. Each of these components can communicate with each other directly or indirectly (e.g., via one or more buses).

[0190] The communication manager 1120 may support wireless communication at the UE according to the examples disclosed herein. The DCI format interface 1125 may be configured to or otherwise support a component for receiving a format indicating a group of common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations. The DCI interface 1130 may be configured to or otherwise support a component for receiving group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources. The TRS monitoring component 1135 may be configured to or otherwise support a component for monitoring the one or more tracking reference signals according to one or more downlink power control configurations indicated via the group common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0191] In some examples, the one or more downlink power control configurations indicated via group common downlink control information received by DCI interface 1130 indicate one or more power control values ​​to be applied for monitoring one or more tracking reference signals. The one or more power control values ​​may be identified via DCI component 1140.

[0192] In some examples, control signaling received via DCI format interface 1125 maps a set of downlink power control configurations in the group of multiple downlink power control configurations to corresponding indexes. These mappings can be identified by DCI format component 1145. In some examples, group common downlink control information received via DCI interface 1130 specifies an index mapped to the one or more downlink power control configurations via the control signaling. The index can be identified via DCI component 1140.

[0193] In some examples, one or more downlink power control configurations indicated via group common downlink control information received by DCI interface 1130 indicate one or more accumulated values. In some examples, monitoring one or more tracking reference signals via TRS monitoring component 1135 includes monitoring the one or more tracking reference signals using one or more power control values ​​based on the one or more accumulated values.

[0194] In some examples, power control component 1150 can be configured to or otherwise support means for basing the one or more power control values ​​on the one or more accumulated values ​​and one or more other power control values ​​configured prior to receiving the set of common downlink control information. The one or more power control values ​​can be identified by power control component 1150.

[0195] In some examples, control signaling received via the DCI format interface 1125 maps a set of accumulated values ​​corresponding to the group of multiple downlink control configurations to corresponding indices. In some examples, monitoring the one or more tracking reference signals via the TRS monitoring component 1135 includes monitoring the one or more tracking reference signals using one or more power control values ​​based on the one or more accumulated values ​​mapped to the indices specified in the group common downlink control information.

[0196] In some examples, the group common downlink control information received via the DCI interface 1130 indicates an identifier of one or more tracking reference signal resources in the group of multiple tracking reference signal resources. The identifier can be identified by the TRS monitoring component 1135.

[0197] In some examples, monitoring the one or more tracking reference signals via the TRS monitoring component 1135 includes monitoring the one or more tracking reference signals using one or more downlink power control configurations during the set of multiple tracking reference signal resources.

[0198] In some examples, monitoring the one or more tracking reference signals via the TRS monitoring component 1135 includes monitoring the one or more tracking reference signals using one or more downlink power control configurations during a subset of the set of multiple tracking reference signal resources.

[0199] In some examples, control signaling received via the DCI format interface 1125 maps a subset of the set of multiple tracking reference signal resources to a corresponding tracking reference signal group identifier.

[0200] In some examples, the group common downlink control information received via the DCI interface 1130 indicates an antenna configuration of the network entity. In some examples, the antenna configuration corresponds to the one or more downlink power control configurations.

[0201] In some examples, control signaling received via the DCI format interface 1125 maps each downlink power control configuration set in the group of multiple downlink power control configurations to a corresponding antenna configuration.

[0202] In some examples, control signaling received via the DCI format interface 1125 maps a set of downlink power control configurations in the group of multiple downlink power control configurations to corresponding power saving mode identifiers. In some examples, the group common downlink control information indicates a power saving mode identifier mapped to one or more downlink power control configurations.

[0203] In some examples, the group common downlink control information received via the DCI interface 1130 indicates a downlink power control configuration for a group of multiple UEs, a tracking reference signal resource identifier to be used to apply the downlink power control configuration, or both.

[0204] In some examples, the format received via the DCI format interface 1125 indicates the location of the group common downlink control information, the length of the group common downlink control information, or both.

[0205] In some examples, the set of multiple downlink power control configurations indicated by the set common downlink control information received via the DCI interface 1130 may indicate a power offset value, a synchronization signal power offset value, or both.

[0206] Fig.12A diagram of a system 1200 including a device 1205 supporting a downlink transmit power control group common DCI according to one or more aspects of the present disclosure is shown. The device 1205 may be an example of a device 905, a device 1005, or a UE 115 as described herein, or include components thereof. The device 1205 may communicate (e.g., wirelessly) with one or more network entities 105, one or more UEs 115, or any combination thereof. The device 1205 may include components for two-way voice and data communications, including components for sending and receiving communications, such as a communication manager 1220, an input / output (I / O) controller 1210, a transceiver 1215, an antenna 1225, a memory 1230, a code 1235, and a processor 1240. These components may be in electronic communication or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more buses (e.g., a bus 1245).

[0207] I / O controller 1210 can manage input and output signals for device 1205. I / O controller 1210 can also manage peripheral devices that are not integrated into device 1205. In some cases, I / O controller 1210 can represent a physical connection or port to an external peripheral device. In some cases, I / O controller 1210 can utilize an operating system, such as or another known operating system. Additionally or alternatively, I / O controller 1210 may represent or interact with a modem, keyboard, mouse, touch screen, or similar device. In some cases, I / O controller 1210 may be implemented as part of a processor, such as processor 1240. In some cases, a user may interact with device 1205 via I / O controller 1210 or via hardware components controlled by I / O controller 1210.

[0208] In some cases, the device 1205 may include a single antenna 1225. However, in some other cases, the device 1205 may have more than one antenna 1225, which may be capable of concurrently transmitting or receiving multiple wireless transmissions. The transceiver 1215 may communicate bidirectionally via one or more antennas 1225, a wired link, or a wireless link as described herein. For example, the transceiver 1215 may represent a wireless transceiver and may communicate bidirectionally with another wireless transceiver. The transceiver 1215 may also include a modem for: modulating packets; providing the modulated packets to one or more antennas 1225 for transmission; and demodulating packets received from one or more antennas 1225. The transceiver 1215 or the transceiver 1215 and one or more antennas 1225 may be examples of transmitters 915, transmitters 1015, receivers 910, receivers 1010, or any combination thereof or any components thereof as described herein.

[0209] Memory 1230 may include random access memory (RAM) and read-only memory (ROM). Memory 1230 may store computer-readable, computer-executable code 1235 including instructions that, when executed by processor 1240, cause device 1205 to perform various functions described herein. Code 1235 may be stored in a non-transitory computer-readable medium such as system memory or another type of memory. In some cases, code 1235 may not be directly executable by processor 1240, but may (e.g., when compiled and executed) cause a computer to perform the functions described herein. In some cases, memory 1230 may also contain, among other things, a basic I / O system (BIOS) that may control basic hardware or software operations, such as interaction with peripheral components or devices.

[0210] The processor 1240 may include an intelligent hardware device (e.g., a general-purpose processor, a DSP, a CPU, a microcontroller, an ASIC, an FPGA, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof). In some cases, the processor 1240 may be configured to operate a memory array using a memory controller. In some other cases, the memory controller may be integrated into the processor 1240. The processor 1240 may be configured to execute computer-readable instructions stored in a memory (e.g., a memory 1230) to enable the device 1205 to perform various functions (e.g., functions or tasks that support a downlink transmit power control group common DCI). For example, the device 1205 or a component of the device 1205 may include a processor 1240 and a memory 1230 coupled to or coupled to the processor 1240, and the processor 1240 and the memory 1230 are configured to perform the various functions described herein.

[0211] The communication manager 1220 may support wireless communication at the UE according to the examples disclosed herein. For example, the communication manager 1220 may be configured to or otherwise support a means for receiving a format indicating a group of common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a control signaling of a group of multiple downlink power control configurations. The communication manager 1220 may be configured to or otherwise support a means for receiving the group of common downlink control information according to the format, wherein the group of common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during the transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources. The communication manager 1220 may be configured to or otherwise support a means for monitoring the one or more tracking reference signals according to the one or more downlink power control configurations indicated via the group of common downlink control information during one or more tracking reference signal resources in the group of multiple tracking reference signal resources.

[0212] By including or configuring the communication manager 1220 according to examples as described herein, the device 1205 may support techniques for reducing power consumption by supporting downlink power control adaptation using group common DCI signaling.

[0213] In some examples, the communication manager 1220 may be configured to perform various operations (e.g., receive, monitor, transmit) using or otherwise cooperating with the transceiver 1215, one or more antennas 1225, or any combination thereof. Although the communication manager 1220 is illustrated as a separate component, in some examples, one or more functions described with reference to the communication manager 1220 may be supported or performed by the processor 1240, the memory 1230, the code 1235, or any combination thereof. For example, the code 1235 may include instructions that are executable by the processor 1240 to cause the device 1205 to perform various aspects of the downlink transmit power control group common DCI as described herein, or the processor 1240 and the memory 1230 may be otherwise configured to perform or support such operations.

[0214] Fig.13 A flowchart illustrating a method 1300 for supporting a downlink transmit power control group common DCI according to one or more aspects of the present disclosure is shown. The operations of the method 1300 may be implemented by a network entity or a component thereof as described herein. For example, the operations of the method 1300 may be implemented by a network entity or a component thereof as described in reference to Figures 1 to 8In some examples, the network entity may execute an instruction set to control the functional elements of the network entity to perform the described functions. Additionally or alternatively, the network entity may use dedicated hardware to perform various aspects of the described functions.

[0215] At 1305, the method may include sending control signaling indicating a format of group common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations. The operations of 1305 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1305 may be performed as described in reference to Figure 7 The described DCI format interface 725 is implemented.

[0216] At 1310, the method may include sending group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the set of multiple downlink power control configurations to be applied during transmission of one or more tracking reference signals during one or more tracking reference signal resources in the set of multiple tracking reference signal resources. The operations of 1310 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1310 may be performed by Figure 7 The described DCI interface 730 performs.

[0217] At 1315, the method may include transmitting the one or more tracking reference signals during one or more tracking reference signal resources in the set of multiple tracking reference signal resources according to one or more downlink power control configurations indicated via the set of common downlink control information. The operations of 1315 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1315 may be performed as described in reference to Figure 7 The TRS interface 735 described is implemented.

[0218] Fig.14 A flowchart illustrating a method 1400 for supporting a downlink transmission power control group common DCI according to one or more aspects of the present disclosure is shown. The operations of the method 1400 may be implemented by a UE or a component thereof as described herein. For example, the operations of the method 1400 may be implemented by a UE or a component thereof as described in reference to Figures 1 to 4 and Figures 9 to 12 The described UE 115 may be performed. In some examples, the UE may execute an instruction set to control the functional elements of the UE to perform the described functions. Additionally or alternatively, the UE may use dedicated hardware to perform various aspects of the described functions.

[0219] At 1405, the method may include receiving control signaling indicating a format of group common downlink control information associated with a group of multiple tracking reference signal resources for downlink power control and indicating a group of multiple downlink power control configurations. The operations of 1405 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1405 may be performed as described in reference to Fig.11 The described DCI format interface 1125 is implemented.

[0220] At 1410, the method may include receiving group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations in the group of multiple downlink power control configurations to be applied during transmission of one or more tracking reference signals during one or more tracking reference signal resources in the group of multiple tracking reference signal resources. The operations of 1410 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1410 may be performed as described in reference to Fig.11 The DCI interface 1130 described herein performs.

[0221] At 1415, the method may include monitoring the one or more tracking reference signals during one or more tracking reference signal resources in the set of multiple tracking reference signal resources according to one or more downlink power control configurations indicated via the set of common downlink control information. The operations of 1415 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1415 may be performed as described in reference to Fig.11 The TRS monitoring component 1135 described performs.

[0222] The following provides an overview of various aspects of the disclosure:

[0223] Aspect 1: A method for performing wireless communications at a network entity, the method comprising: sending control signaling indicating a format of group common downlink control information associated with multiple tracking reference signal resources for downlink power control and indicating multiple downlink power control configurations; sending the group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations among the multiple downlink power control configurations to be applied during sending one or more tracking reference signals during one or more tracking reference signal resources among the multiple tracking reference signal resources; and sending the one or more tracking reference signals during the one or more tracking reference signal resources among the multiple tracking reference signal resources according to the one or more downlink power control configurations indicated by the group common downlink control information.

[0224] Aspect 2: The method according to aspect 1, wherein the one or more downlink power control configurations indicated via the set of common downlink control information indicate one or more power control values ​​to be applied for monitoring the one or more tracking reference signals.

[0225] Aspect 3: A method according to any one of Aspects 1 to 2, wherein the control signaling maps a downlink power control configuration set in the multiple downlink power control configurations to corresponding indexes; and the group common downlink control information indicates an index mapped to the one or more downlink power control configurations via the control signaling.

[0226] Aspect 4: The method according to any one of aspects 1 to 3, wherein the one or more downlink power control configurations indicated via the group common downlink control information indicate one or more accumulation values.

[0227] Aspect 5: A method according to any one of Aspects 1 to 4, wherein the control signaling maps a set of accumulated values ​​corresponding to multiple downlink control configurations to corresponding indexes; and the group common downlink control information indicates an index mapped to one or more accumulated values.

[0228] Aspect 6: The method according to any one of aspects 1 to 5, wherein the group common downlink control information indicates an identifier of one or more tracking reference signal resources among the plurality of tracking reference signal resources.

[0229] Aspect 7: The method according to any one of aspects 1 to 6 further includes: the one or more tracking reference signals are sent according to the one or more downlink power control configurations and using the multiple tracking reference signal resources.

[0230] Aspect 8: The method according to any one of aspects 1 to 7 further includes: the one or more tracking reference signals are sent according to the one or more downlink power control configurations and using a subset of the multiple tracking reference signal resources.

[0231] Aspect 9: The method according to any one of aspects 1 to 8, wherein the control signaling maps a subset of the plurality of tracking reference signal resources to a corresponding tracking reference signal group identifier.

[0232] Aspect 10: The method according to any one of aspects 1 to 9, wherein the set of common downlink control information indicates an antenna configuration of a network entity; and the antenna configuration corresponds to the one or more downlink power control configurations.

[0233] Aspect 11: The method according to any one of aspects 1 to 8, wherein the control signaling maps a downlink power control configuration set in the multiple downlink power control configurations to corresponding antenna configurations.

[0234] Aspect 12: A method according to any one of Aspects 1 to 8, wherein the control signaling maps a downlink power control configuration set among the multiple downlink power control configurations to corresponding power saving mode identifiers; and the group common downlink control information indicates a power saving mode identifier mapped to the one or more downlink power control configurations.

[0235] Aspect 13: The method according to any one of aspects 1 to 12, wherein the group common downlink control information indicates a downlink power control configuration for multiple UEs, a tracking reference signal resource identifier for applying the downlink power control configuration, or both.

[0236] Aspect 14: The method according to any one of aspects 1 to 13, wherein the configuration indicates the location of the group common downlink control information, the length of the group common downlink control information, or both.

[0237] Aspect 15: A method according to any one of Aspects 1 to 14, wherein the multiple downlink power control configurations indicate power offset values, synchronization signal power offset values, or both.

[0238] Aspect 16: A method for performing wireless communications at a UE, the method comprising: receiving control signaling indicating a format of group common downlink control information associated with multiple tracking reference signal resources for downlink power control and indicating multiple downlink power control configurations; receiving the group common downlink control information according to the format, wherein the group common downlink control information indicates one or more downlink power control configurations among the multiple downlink power control configurations to be applied during sending one or more tracking reference signals during one or more tracking reference signal resources among the multiple tracking reference signal resources; and monitoring the one or more tracking reference signals during the one or more tracking reference signal resources among the multiple tracking reference signal resources according to the one or more downlink power control configurations indicated by the group common downlink control information.

[0239] Aspect 17: The method according to aspect 16, wherein the one or more downlink power control configurations indicated via the set of common downlink control information indicate one or more power control values ​​to be applied for monitoring the one or more tracking reference signals.

[0240] Aspect 18: A method according to any one of Aspects 16 to 17, wherein the control signaling maps a downlink power control configuration set among the multiple downlink power control configurations to corresponding indexes; and the group common downlink control information specifies an index mapped to the one or more downlink power control configurations via the control signaling.

[0241] Aspect 19: A method according to any one of Aspects 16 to 18, wherein the one or more downlink power control configurations indicated via the group common downlink control information indicate one or more accumulated values; and wherein monitoring the one or more tracking reference signals includes monitoring the one or more tracking reference signals using one or more power control values ​​based at least in part on the one or more accumulated values.

[0242] Aspect 20: A method according to aspect 19, wherein the one or more power control values ​​are based at least in part on the one or more accumulated values ​​and one or more other power control values ​​configured before receiving the set of common downlink control information.

[0243] Aspect 21: A method according to any one of Aspects 16 to 20, wherein the control signaling maps a set of accumulated values ​​corresponding to multiple downlink control configurations to corresponding indexes; and wherein monitoring the one or more tracking reference signals includes monitoring the one or more tracking reference signals using one or more power control values ​​based at least in part on the one or more accumulated values ​​mapped to indexes specified in the group common downlink control information.

[0244] Aspect 22: The method according to any one of aspects 16 to 21, wherein the set of common downlink control information indicates an identifier of one or more tracking reference signal resources among the plurality of tracking reference signal resources.

[0245] Aspect 23: A method according to any one of aspects 16 to 22, wherein monitoring the one or more tracking reference signals comprises monitoring the one or more tracking reference signals using the one or more downlink power control configurations during the plurality of tracking reference signal resources.

[0246] Aspect 24: A method according to any one of Aspects 16 to 23, wherein monitoring the one or more tracking reference signals includes monitoring the one or more tracking reference signals using the one or more downlink power control configurations during a subset of the plurality of tracking reference signal resources.

[0247] Aspect 25: The method according to any one of aspects 16 to 24, wherein the control signaling maps a subset of the plurality of tracking reference signal resources to a corresponding tracking reference signal group identifier.

[0248] Aspect 26: A method according to any one of aspects 16 to 25, wherein the set of common downlink control information indicates an antenna configuration of a network entity; and the antenna configuration corresponds to the one or more downlink power control configurations.

[0249] Aspect 27: The method according to any one of aspects 16 to 26, wherein the control signaling maps each downlink power control configuration set in the multiple downlink power control configurations to a corresponding antenna configuration.

[0250] Aspect 28: A method according to any one of Aspects 16 to 25, wherein the control signaling maps a downlink power control configuration set among the multiple downlink power control configurations to corresponding power saving mode identifiers; and the group common downlink control information indicates a power saving mode identifier mapped to the one or more downlink power control configurations.

[0251] Aspect 29: A method according to any one of aspects 16 to 28, wherein the group common downlink control information indicates a downlink power control configuration for multiple UEs, a tracking reference signal resource identifier for applying the downlink power control configuration, or both.

[0252] Aspect 30: A method according to any one of aspects 16 to 29, wherein the configuration indicates the location of the group common downlink control information, the length of the group common downlink control information, or both.

[0253] Aspect 31: A method according to any one of Aspects 16 to 30, wherein the multiple downlink power control configurations indicate power offset values, synchronization signal power offset values, or both.

[0254] Aspect 32: An apparatus for performing wireless communications at a network entity, the apparatus comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform a method according to any one of Aspects 1 to 15.

[0255] Aspect 33: An apparatus for wireless communication at a network entity, the apparatus comprising: at least one means for performing the method according to any one of aspects 1 to 15.

[0256] Aspect 34: A non-transitory computer-readable medium storing code for wireless communication at a network entity, the code comprising instructions executable by a processor to perform the method according to any one of aspects 1 to 15.

[0257] Aspect 35: An apparatus for performing wireless communications at a UE, the apparatus comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform a method according to any one of Aspects 16 to 31.

[0258] Aspect 36: An apparatus for wireless communication at a UE, the apparatus comprising: at least one means for performing a method according to any one of aspects 16 to 31.

[0259] Aspect 37: A non-transitory computer-readable medium storing code for wireless communication at a UE, the code comprising instructions executable by a processor to perform the method according to any one of aspects 16 to 31.

[0260] It should be noted that the methods described herein describe possible implementations, and that the operations and steps may be rearranged or otherwise modified and that other implementations are possible. Furthermore, aspects from two or more methods may be combined.

[0261] Although aspects of LTE, LTE-A, LTE-A Pro, or NR systems may be described for example purposes, and LTE, LTE-A, LTE-A Pro, or NR terminology may be used in much of the description, the techniques described herein may also be applicable to networks other than LTE, LTE-A, LTE-A Pro, or NR networks. For example, the described techniques may be applicable to various other wireless communication systems, such as Ultra Mobile Broadband (UMB), Institute of Electrical and Electronics Engineers (IEEE) 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash-OFDM, and other systems and radio technologies not explicitly mentioned herein.

[0262] The information and signals described herein may be represented using any of a variety of different technologies and methods. For example, data, instructions, commands, information, signals, bits, symbols, and chips mentioned throughout the specification may be represented by voltage, current, electromagnetic waves, magnetic fields or magnetic particles, optical fields or optical particles, or any combination thereof.

[0263] The various illustrative blocks and components described in conjunction with the disclosure herein may be implemented or performed using a general purpose processor, DSP, ASIC, CPU, FPGA or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, but in an alternative, the processor may be any processor, controller, microcontroller, or state machine. The processor may also be implemented as a combination of computing devices (e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in combination with a DSP core, or any other such configuration).

[0264] The functions described herein may be implemented using hardware, software executed by a processor, firmware, or any combination thereof. If implemented using software executed by a processor, the functions may be stored as one or more instructions or codes of a computer-readable medium, or sent using one or more instructions or codes of a computer-readable medium. Other examples and specific implementations are within the scope of this disclosure and the appended claims. For example, due to the nature of software, the functions described herein may be implemented using software executed by a processor, hardware, firmware, hard wiring, or any combination of these items. Features that implement the functions may also be physically located at different locations, including being distributed so that the functions are implemented at different physical locations.

[0265] Computer-readable medium includes both non-transient computer storage medium and communication medium, and it includes any medium that facilitates computer program to be transmitted from one position to another position.Non-transient storage medium can be any available medium that can be accessed by general or special-purpose computer.By way of example and not limitation, non-transient computer-readable medium can include RAM, ROM, electrically erasable programmable ROM (EEPROM), flash memory, compact disc (CD) ROM or other optical disc storage, disk storage or other magnetic storage device, or can be used for carrying or storing desired program code components and can be accessed by general or special-purpose computer or general or special-purpose processor in the form of instruction or data structure Any other non-transient medium.Moreover, any connection is appropriately referred to as computer-readable medium.For example, if software is sent from website, server or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL) or wireless technology such as infrared, radio and microwave, then coaxial cable, fiber optic cable, twisted pair, DSL or wireless technology such as infrared, radio and microwave are included in the definition of computer-readable medium. As used herein, disk and disc include CD, laser disc, optical disc, digital versatile disc (DVD), floppy disk and Blu-ray disc. Disks can reproduce data magnetically, while discs can reproduce data optically using lasers. Combinations of the above are also included within the scope of computer readable media.

[0266] As used herein (including in the claims), "or" used in a list of items (e.g., a list of items with a phrase such as "at least one of" or "one or more of") indicates an inclusive list, so that, for example, a list of at least one of A, B, or C means A or B or C or AB or AC or BC or ABC (i.e., A and B and C). In addition, as used herein, the phrase "based on" should not be interpreted as a reference to a closed set of conditions. For example, an example step described as "based on condition A" can be based on condition A and condition B without departing from the scope of the present disclosure. In other words, as used herein, the phrase "based on" should be interpreted in the same manner as the phrase "based at least in part on."

[0267] The term "determining" encompasses a variety of actions, and thus, "determining" may include calculating, computing, processing, deriving, investigating, looking up (such as via looking up in a table, database or other data structure), ascertaining, etc. Furthermore, "determining" may include receiving (e.g., receiving information), accessing (e.g., accessing data stored in a memory), etc. Furthermore, "determining" may include parsing, retrieving, selecting, choosing, establishing, and other such similar actions.

[0268] In the drawings, similar components or features may have the same reference label. In addition, various components of the same type may be distinguished by following the reference label with a dash and a second label to distinguish between similar components. If only the first reference label is used in the specification, the description may apply to any of the similar components having the same first reference label regardless of the second reference label, or other subsequent reference labels.

[0269] The descriptions set forth herein in conjunction with the accompanying drawings describe example configurations and do not represent all examples that may be implemented or within the scope of the claims. The term "example" as used herein means "used as an example, instance, or illustration," rather than "preferred" or "having advantages over other examples." The specific embodiments include specific details to provide an understanding of the described technology. However, these technologies may be practiced without these specific details. In some instances, known structures and devices are shown in block diagram form to avoid obscuring the concepts of the described examples.

[0270] The description herein is provided to enable one of ordinary skill in the art to implement or use the present disclosure. Various modifications to the present disclosure will be apparent to one of ordinary skill in the art, and the general principles defined herein may be applied to other variations without departing from the scope of the present disclosure. Thus, the present disclosure is not limited to the examples and designs described herein, but should be granted the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An apparatus for wireless communication at a network entity, the apparatus comprising: processor; a memory coupled to the processor; as well as instructions stored in the memory and executable by the processor to cause the apparatus to: transmitting control signaling indicating a format of group common downlink control information associated with a plurality of tracking reference signal resources for downlink power control and indicating a plurality of downlink power control configurations; transmitting the set of common downlink control information according to the format, wherein the set of common downlink control information indicates one or more downlink power control configurations of the plurality of downlink power control configurations to be applied during transmission of one or more tracking reference signals during one or more tracking reference signal resources of the plurality of tracking reference signal resources; as well as The one or more tracking reference signals are transmitted during the one or more tracking reference signal resources of the plurality of tracking reference signal resources according to the one or more downlink power control configurations indicated via the set of common downlink control information.

2. The apparatus of claim 1, wherein the one or more downlink power control configurations indicated via the set of common downlink control information indicate one or more power control values ​​to be applied for monitoring the one or more tracking reference signals.

3. The device according to claim 1, wherein: The control signaling maps a downlink power control configuration set in the plurality of downlink power control configurations to a corresponding index; and The set of common downlink control information indicates indexes mapped to the one or more downlink power control configurations via the control signaling. 4 . The apparatus of claim 1 , wherein the one or more downlink power control configurations indicated via the set of common downlink control information indicate one or more accumulated values.

5. The device according to claim 1, wherein: The control signaling maps accumulated value sets corresponding to a plurality of downlink control configurations to corresponding indexes; and The set of common downlink control information indicates an index mapped to one or more accumulated values. 6 . The apparatus according to claim 1 , wherein the set of common downlink control information indicates identifiers of one or more tracking reference signal resources among the plurality of tracking reference signal resources.

7. The apparatus of claim 1, wherein the one or more tracking reference signals are sent according to the one or more downlink power control configurations and using the plurality of tracking reference signal resources.

8. The apparatus of claim 1, wherein the one or more tracking reference signals are transmitted according to the one or more downlink power control configurations and using a subset of the plurality of tracking reference signal resources.

9. The apparatus of claim 1, wherein the control signaling maps a subset of the plurality of tracking reference signal resources to a corresponding tracking reference signal group identifier.

10. The device according to claim 1, wherein: The set of common downlink control information indicates an antenna configuration of a network entity; and The antenna configuration corresponds to the one or more downlink power control configurations.

11. The apparatus of claim 1, wherein the control signaling maps a set of downlink power control configurations among the plurality of downlink power control configurations to corresponding antenna configurations.

12. The device according to claim 1, wherein: The control signaling maps a downlink power control configuration set in the plurality of downlink power control configurations to a corresponding power saving mode identifier; and The set of common downlink control information indicates a power saving mode identifier mapped to the one or more downlink power control configurations.

13. The apparatus of claim 1, wherein the set of common downlink control information indicates a downlink power control configuration for a plurality of UEs, a tracking reference signal resource identifier for applying the downlink power control configuration, or both.

14. The apparatus of claim 1, wherein the format indicates a location of the set of common downlink control information, a length of the set of common downlink control information, or both.

15. The apparatus of claim 1, wherein the plurality of downlink power control configurations indicate power offset values, synchronization signal power offset values, or both.

16. An apparatus for wireless communication at a user equipment (UE), the apparatus comprising: processor; a memory coupled to the processor; as well as instructions stored in the memory and executable by the processor to cause the apparatus to: receiving control signaling indicating a format of group common downlink control information associated with a plurality of tracking reference signal resources for downlink power control and indicating a plurality of downlink power control configurations; receiving the set of common downlink control information according to the format, wherein the set of common downlink control information indicates one or more of the plurality of downlink power control configurations to be applied during transmission of one or more tracking reference signals during one or more tracking reference signal resources of the plurality of tracking reference signal resources; as well as The one or more tracking reference signals are monitored during the one or more tracking reference signal resources of the plurality of tracking reference signal resources according to the one or more downlink power control configurations indicated via the set of common downlink control information.

17. The apparatus of claim 16, wherein the one or more downlink power control configurations indicated via the set of common downlink control information indicate one or more power control values ​​to be applied for monitoring the one or more tracking reference signals.

18. The apparatus of claim 16, wherein: The control signaling maps a downlink power control configuration set in the plurality of downlink power control configurations to a corresponding index; and The set of common downlink control information specifies indices that are mapped to the one or more downlink power control configurations via the control signaling.

19. The apparatus of claim 16, wherein the one or more downlink power control configurations indicated via the group common downlink control information indicate one or more accumulated values, and Wherein monitoring the one or more tracking reference signals comprises monitoring the one or more tracking reference signals using one or more power control values ​​based at least in part on the one or more accumulated values.

20. The apparatus of claim 19, wherein the one or more power control values ​​are based at least in part on the one or more accumulated values ​​and one or more other power control values ​​configured prior to receiving the set of common downlink control information.

21. The apparatus according to claim 16, wherein the control signaling maps accumulated value sets corresponding to a plurality of downlink control configurations to corresponding indexes, and Wherein monitoring the one or more tracking reference signals comprises monitoring the one or more tracking reference signals using one or more power control values ​​based at least in part on one or more accumulated values ​​mapped to indices specified in the set of common downlink control information.

22. The apparatus of claim 16, wherein the set of common downlink control information indicates identifiers of one or more tracking reference signal resources among the plurality of tracking reference signal resources.

23. The apparatus of claim 16, wherein monitoring the one or more tracking reference signals comprises monitoring the one or more tracking reference signals using the one or more downlink power control configurations during the plurality of tracking reference signal resources.

24. The apparatus of claim 16, wherein monitoring the one or more tracking reference signals comprises monitoring the one or more tracking reference signals using the one or more downlink power control configurations during a subset of the plurality of tracking reference signal resources.

25. The apparatus of claim 16, wherein the control signaling maps a subset of the plurality of tracking reference signal resources to a corresponding tracking reference signal group identifier.

26. The apparatus of claim 16, wherein: The set of common downlink control information indicates an antenna configuration of a network entity; and The antenna configuration corresponds to the one or more downlink power control configurations.

27. The apparatus of claim 16, wherein the control signaling maps each set of downlink power control configurations in the plurality of downlink power control configurations to a corresponding antenna configuration.

28. The apparatus of claim 16, wherein: The control signaling maps a downlink power control configuration set in the plurality of downlink power control configurations to a corresponding power saving mode identifier; and The set of common downlink control information indicates a power saving mode identifier mapped to the one or more downlink power control configurations.

29. A method for wireless communication at a network entity, the method comprising: transmitting control signaling indicating a format of group common downlink control information associated with a plurality of tracking reference signal resources for downlink power control and indicating a plurality of downlink power control configurations; transmitting the set of common downlink control information according to the format, wherein the set of common downlink control information indicates one or more downlink power control configurations of the plurality of downlink power control configurations to be applied during transmission of one or more tracking reference signals during one or more tracking reference signal resources of the plurality of tracking reference signal resources; as well as The one or more tracking reference signals are transmitted during the one or more tracking reference signal resources of the plurality of tracking reference signal resources according to the one or more downlink power control configurations indicated via the set of common downlink control information.

30. A method for wireless communication at a user equipment (UE), the method comprising: receiving control signaling indicating a format of group common downlink control information associated with a plurality of tracking reference signal resources for downlink power control and indicating a plurality of downlink power control configurations; receiving the set of common downlink control information according to the format, wherein the set of common downlink control information indicates one or more of the plurality of downlink power control configurations to be applied during transmission of one or more tracking reference signals during one or more tracking reference signal resources of the plurality of tracking reference signal resources; as well as The one or more tracking reference signals are monitored during the one or more tracking reference signal resources of the plurality of tracking reference signal resources according to the one or more downlink power control configurations indicated via the set of common downlink control information.

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