METHOD AND APPARATUS FOR DETERMINING CONFIGURED Maximum OUTPUT POWER FOR UL TRANSMISSION IN M-TRP MODE
By coordinating TCI status and dynamic power sharing between the UE and the base station in M-TRP mode, the challenge of managing the maximum output power of UL transmission is solved, thereby improving the efficiency and performance of the wireless communication system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-22
- Publication Date
- 2026-04-07
AI Technical Summary
In the multiple transmit-receive-point (M-TRP) mode, existing technologies struggle to effectively determine and manage the maximum output power of uplink (UL) transmissions, resulting in limitations on the efficiency and performance of wireless communication systems.
Through coordination between user equipment (UE) and base station, the Transmission Configuration Indicator (TCI) status of multi-panel uplink (UL) transmission is determined and managed, a dynamic power sharing capability indicator is generated, and the maximum output power is dynamically adjusted to optimize UL transmission.
It improves the efficiency and performance of UL transmission in M-TRP mode, enhances the coverage and reliability of wireless communication systems, and optimizes power resource utilization.
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Figure CN121816802A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present disclosure relates to wireless communications, and more particularly to methods and apparatuses for determining a configured maximum output power for uplink (UL) transmissions in a multiple transmission reception points (M-TRP) mode. BACKGROUND
[0002] A wireless communication system can include one or more network communication devices, such as a base station, which can support wireless communication for one or more user communication devices, which can otherwise be referred to as user equipment (UE), or other suitable terminology. The wireless communication system can support wireless communication with one or more user communication devices by utilizing resources of the wireless communication system, e.g., time resources (e.g., symbols, time slots, subframes, frames, etc.) or frequency resources (e.g., subcarriers, carriers). Additionally, the wireless communication system can support wireless communication across various radio access technologies, including third generation (3G) radio access technologies, fourth generation (4G) radio access technologies, fifth generation (5G) radio access technologies, and beyond-5G radio access technologies (e.g., sixth generation (6G)).
[0003] The following abbreviations and acronyms are defined herein, at least some of which are referred to within the specification: 3rd Generation Partnership Project (3GPP), New Radio (NR), Long Term Evolution (LTE), LTE-Advanced (LTE-A), Orthogonal Frequency Division Multiplexing (OFDM), Downlink (DL), Uplink (UL), User Equipment (UE), Network Equipment (NE), Receive or Receiver (RX or Rx), Transmit or Transmitter (TX or Tx), Physical Downlink Control Channel (PDCCH), Physical Uplink Control Channel (PUCCH), Physical Uplink Shared Channel (PUSCH), Bandwidth Part (BWP), Control Element (CE), Control Resource Set (CORESET), Device-to-Device (D2D), Downlink Control Information (DCI), Demodulation Reference Signal (DMRS), Frequency Division Multiple Access (FDMA), Internet of Things (IoT), Medium Access Control (MAC), Medium Access Control - Control Element (MAC CE), Machine Type Communication (MTC), Non-Access Stratum (NAS), Protocol Data Unit (PDU), Phase Shift Keying (PSK), Quadrature Amplitude Modulation (QAM), Quadrature Phase Shift Keying (QPSK), Radio Access Network (RAN), Resource Block (RB), Radio Resource Control (RRC), Reference Signal (RS), Reference Signal Received Power (RSRP), Single Frequency Network (SFN), Sounding Reference Signal (SRS), Time Division Multiplex (TDM), Transmission Reception Point (TRP), Vehicle-to-Everything (V2X), Amplitude Modulation (AM), Access and Mobility Management Function (AMF), Band Class (BC), Code Division Multiple Access (CDMA), Core Network (CN), Effective Isotropic Radiated Power (EIRP), Evolved Packet Core (EPC), Frequency Range 1 (FR1), Frequency Range 2 (FR2), Institute of Electrical and Electronics Engineers (IEEE), Low Noise Amplifier (LNA), Maximum Power Reduction (MPR), Transmission Configuration Indication (TCI), Time Division Multiple Access (TDMA), Technical Specification (TS), User Plane Function (UPF), Universal Terrestrial Radio Access (UTRA), Vehicle-to-Vehicle (V2V), 5G Core Network (5GC), Evolved Universal Terrestrial Radio Access (E-UTRA), Layer 1 / Physical Layer (L1), Layer 2 / Data Link Layer (L2), Layer 3 / Network Layer (L3), Multiple Downlink Control Information (M-DCI), Multiple Transmission Reception Point (M-TRP), Single Downlink Control Information (S-DCI), Beam Failure Recovery (BFR), Beam Failure Detection (BFD), Power Headroom Report (PHR), Transmission Comb (TC), Codebook (CB), Non-Codebook (NCB), Frequency Modulation (FM), Spatial Division Multiplex (SDM), Simultaneous Transmission across Multiple Panels (STxMP), Transport Block over Multiple Slots (TBoMS), Single Transmission Reception Point (S-TRP), Antenna Switching (AS), Beam Management (BM), Power Headroom (PH). Summary of the Invention
[0004] The article "a" preceding an element is not limited and is understood to refer to "at least one" or "one or more" of those elements. The terms "a," "at least one," "one or more," and "at least one of one or more" may be used interchangeably. As used herein, including in claims, "or" as used in a list of items (e.g., a list of items beginning with phrases such as "at least one of..." or "one or more of..." or "one or two of...") indicates an inclusive list, such that a list of, for example, 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). Furthermore, as used herein, the phrase "based on" should not be construed as a reference to a closed set of conditions. For example, an example step described as "based on condition A" may be based on both condition A and condition B without departing from the scope of this disclosure. In other words, as used herein, the phrase "based on" should be interpreted in the same manner as the phrase "at least partially based on." Furthermore, as used herein, including in claims, "set" may include one or more elements.
[0005] Some embodiments of the methods and apparatus described herein may include a user equipment (UE) for wireless communication, comprising: at least one memory; and at least one processor coupled to the at least one memory and configured to cause the UE to: obtain a first configured maximum output power for a first indication of a Transmission Configuration Indication (TCI) state and a second configured maximum output power for a second indication of a TCI state, wherein the two TCI states are for a bandwidth portion (BWP) indication of a serving cell and simultaneously multi-panel uplink (UL) transmission is enabled; generate a capability indicator indicating whether dynamic power sharing in the TCI state is supported; and, when it is determined that the capability indicator indicates support for dynamic power sharing in the TCI state, transmit the capability indicator to a base station.
[0006] Some embodiments of the methods and apparatus described herein may include a processor for wireless communication, comprising: at least one controller coupled to at least one memory and configured to cause the processor to: obtain a first configured maximum output power for a Transmission Configuration Indication (TCI) state for a first indication and a second configured maximum output power for a TCI state for a second indication, wherein the two TCI states are for a Bandwidth Part (BWP) indication of a serving cell and simultaneously multi-panel uplink (UL) transmission is enabled; generate a capability indicator indicating whether dynamic power sharing in the TCI states is supported; and, when it is determined that the capability indicator indicates support for dynamic power sharing in the TCI states, transmit the capability indicator to a base station.
[0007] Some implementations of the methods and apparatus described herein may include a method performed by a user equipment (UE), the method comprising: obtaining a first configured maximum output power for a Transmission Configuration Indication (TCI) state for a first indication and a second configured maximum output power for a TCI state for a second indication, wherein the two TCI states are for the Bandwidth Part (BWP) indication of the serving cell and multi-panel uplink (UL) transmission is enabled simultaneously; generating a capability indicator indicating whether dynamic power sharing in the TCI state is supported; and sending the capability indicator to a base station when it is determined that the capability indicator indicates support for dynamic power sharing in the TCI state.
[0008] In some embodiments of the methods and apparatus described herein, when a capability indicator indicates that dynamic power sharing in a TCI state is not supported, at least one of a first configured maximum output power and a second configured maximum output power is applied to the uplink transmission.
[0009] In some embodiments of the methods and apparatus described herein, uplink transmission includes Physical Uplink Shared Channel (PUSCH), Physical Uplink Control Channel (PUCCH), or Sounding Reference Signal (SRS) transmission; and a first configured maximum output power is applied to a first TCI state or corresponding to a first set of Beam Failure Detection (BFD) Reference Signals (RS). q new The transmission, and the second configuration maximum output power is applied to the state with the second TCI or the state with the second BFDRS set. q new The transmission.
[0010] In some embodiments of the methods and apparatus described herein, uplink transmission includes SRS transmission utilizing SRS resources configured for codebook-based (CB) or non-codebook (NCB) transmission; and a first configured maximum output power is applied to SRS transmissions corresponding to SRS resources within a first SRS resource set, and a second configured maximum output power is applied to SRS transmissions corresponding to SRS resources within a second SRS resource set.
[0011] In some embodiments of the methods and apparatus described herein, uplink transmission includes SRS transmission utilizing SRS resources within an SRS resource set configured for antenna switching (AS); and a first configured maximum output power is applied to all SRS transmissions corresponding to the SRS resource set for AS, or a first configured maximum output power or a second configured maximum output power indicated by higher-layer parameters of a first SRS resource in a first SRS resource set for AS within an SRS resource set configured with the same time-domain behavior is applied to all SRS transmissions corresponding to the SRS resource set for AS, or a first configured maximum output power or a second configured maximum output power indicated by higher-layer parameters of a TCI state configured for a first SRS resource in a first SRS resource set for AS within an SRS resource set configured with the same time-domain behavior is applied to all SRS transmissions corresponding to the SRS resource set for AS.
[0012] In some embodiments of the methods and apparatus described herein, uplink transmission includes SRS transmission utilizing SRS resources within an SRS resource set configured for beam management (BM); and a first configured maximum output power or a second configured maximum output power indicated by higher-layer parameters configured for each SRS resource set is applied to SRS transmissions corresponding to all SRS resources within the SRS resource set, or a first configured maximum output power or a second configured maximum output power indicated by higher-layer parameters of a TCI state configured for a first SRS resource within each SRS resource set is applied to SRS transmissions corresponding to all SRS resources within the SRS resource set.
[0013] In some embodiments of the methods and apparatus described herein, when it is determined that an aperiodic SRS resource set is triggered by a physical downlink control channel (PDCCH) from a control resource set (CORESET) associated with a coresetPoolIndex value and a TCI state specific to the coresetPoolIndex value is applied to the SRS resource set, a first configuration maximum output power is applied to the SRS transmission corresponding to the SRS resource set triggered by the PDCCH from the CORESET associated with coresetPoolIndex 0; a second configuration maximum output power is applied to the SRS transmission corresponding to the SRS resource set triggered by the PDCCH from the CORESET associated with coresetPoolIndex 1.
[0014] In some embodiments of the methods and apparatus described herein, when a capability indicator indicates support for dynamic power sharing in a TCI state, the UE or processor also obtains the total configured maximum output power for uplink transmission.
[0015] In some embodiments of the methods and apparatus described herein, when Downlink Control Information (DCI) schedules Simultaneous Transmission Across Multiple Panels (STxMP) PUSCH transmission or Single Frequency Network (SFN) STxMP PUSCH transmission, a first configured maximum output power is applied to the device having a first TCI state or corresponding to a first BFD RS set. q new The PUSCH layer or PUSCH transmission, the second configuration maximum output power is applied to the PUSCH layer or the PUSCH transmission with the second TCI state or corresponding to the second BFDRS set. q new The PUSCH layer or PUSCH transmission; when time-division multiplexing (TDM) PUSCH transmission or single transmit-receive-point (S-TRP) PUSCH transmission is scheduled by DCI, the total configured maximum output power is applied to the entire PUSCH transmission; when SFN STxMP PUCCH transmission is scheduled by DCI, the first configured maximum output power is applied to the PUSCH transmission with the first TCI state or corresponding to the first BFDRS set. q new The PUCCH transmission, and the second configuration maximum output power is applied to the second TCI state or the corresponding second BFD RS set. q new The PUCCH transmission; and when the SRS transmission is scheduled by DCI, the total configured maximum output power is applied to the entire SRS transmission.
[0016] In some embodiments of the methods and apparatus described herein, when by means of different coresetPoolIndex When the PDCCH scheduling portion or PUSCH transmissions are associated with the value, the first configuration maximum output power is applied to the PDCCH with the first TCI state or the PUSCH corresponding to the first BFD RS set. q new The PUSCH transmission, and the second configuration maximum output power is applied to the second TCI state or corresponding to the second BFD RS set. q new PUSCH transmission; when by different coresetPoolIndex When PDCCH scheduling non-overlapping PUSCH transmissions with values associated with each other, the total configured maximum output power is applied to all PUSCH transmissions; when PDCCH transmissions have different values associated with each other, the total configured maximum output power is applied to all PUSCH transmissions. coresetPoolIndex When PDCCH scheduling PUCCH transmissions are associated with a value, the total configured maximum output power is applied to the entire PUCCH transmission; and when the value is associated with a PDCCH, the maximum output power is applied to the entire PUCCH transmission. coresetPoolIndexWhen the PDCCH associated with the value schedules SRS transmission, the total configured maximum output power is applied to the entire SRS transmission.
[0017] In some embodiments of the methods and apparatus described herein, more than one set of the following is configured or specified: UE minimum peak effective isotropic radiated power (EIRP), P Powerclass ; Peak EIRP relaxation, ΔMB P,n ; and the applicable maximum EIRP, EIRP max Furthermore, if the Type 1 or Type 3 power margin is calculated based on a reference PUSCH or SRS transmission, the associated maximum output power of the configuration is not reported in the corresponding Power Margin Report (PHR) report.
[0018] In some implementations of the methods and apparatus described herein, only one set of the following is configured or specified: the UE minimum peak effective isotropic radiated power (EIRP), PPowerclass; peak EIRP relaxation, ΔMBP, n; and the applicable maximum EIRP, EIRPmax; and if a type 1 or type 3 power margin is calculated based on a reference PUSCH or SRS transmission, the associated configured maximum output power is reported in the corresponding PHR report.
[0019] In some embodiments of the methods and apparatus described herein, a capability indicator is not sent when it is determined that a capability indicator indicates that dynamic power sharing in a TCI state is not supported.
[0020] Some embodiments of the methods and apparatus described herein may include a base station for wireless communication, comprising: at least one memory; and at least one processor coupled to the at least one memory and configured to cause the base station to: transmit a configuration including a first configured maximum output power for a Transmission Configuration Indication (TCI) state for a first indication and a second configured maximum output power for a TCI state for a second indication, wherein the two TCI states are indicated for the Bandwidth Part (BWP) of the serving cell and multi-panel uplink (UL) transmission is enabled simultaneously; and determine whether a user equipment (UE) supports dynamic power sharing in the TCI states.
[0021] Some embodiments of the methods and apparatus described herein may include a processor for wireless communication, comprising: at least one controller coupled to at least one memory and configured to cause the processor to: send a configuration including a first configured maximum output power for a Transmission Configuration Indication (TCI) state for a first indication and a second configured maximum output power for a TCI state for a second indication, wherein the two TCI states are indicated for the Bandwidth Part (BWP) of the serving cell and multi-panel uplink (UL) transmission is enabled simultaneously; and determine whether the User Equipment (UE) supports dynamic power sharing in the TCI states.
[0022] Some embodiments of the methods and apparatus described herein may include a method performed by a base station, the method comprising: transmitting a configuration including a first configured maximum output power for a Transmission Configuration Indication (TCI) state for a first indication and a second configured maximum output power for a TCI state for a second indication, wherein the two TCI states are for the Bandwidth Part (BWP) indication of the serving cell and multi-panel uplink (UL) transmission is enabled simultaneously; and determining whether the user equipment (UE) supports dynamic power sharing in the TCI states.
[0023] In some embodiments of the methods and apparatus described herein, dynamic power sharing in the TCI state is determined to be supported by the UE, wherein a capability indicator indicating that dynamic power sharing in the TCI state is supported is received from the UE.
[0024] In some embodiments of the methods and apparatus described herein, dynamic power sharing in the TCI state is determined to be unsupported by the UE, wherein a capability indicator indicating that dynamic power sharing in the TCI state is unsupported is received from the UE, or wherein a capability indicator indicating whether dynamic power sharing in the TCI state is supported is not received from the UE.
[0025] In some embodiments of the methods and apparatus described herein, when it is determined that dynamic power sharing in a TCI state is not supported, at least one of a first configured maximum output power and a second configured maximum output power is applied to the uplink transmission.
[0026] In some embodiments of the methods and apparatus described herein, uplink transmission includes Physical Uplink Shared Channel (PUSCH), Physical Uplink Control Channel (PUCCH), or Sounding Reference Signal (SRS) transmission; and a first configured maximum output power is applied to a first TCI state or corresponding to a first set of Beam Failure Detection (BFD) Reference Signals (RS). q new The transmission, and the second configuration maximum output power is applied to the state with the second TCI or the state with the second BFDRS set.q new The transmission.
[0027] In some embodiments of the methods and apparatus described herein, uplink transmission includes SRS transmission utilizing SRS resources configured for codebook-based (CB) or non-codebook (NCB) transmission; and a first configured maximum output power is applied to SRS transmissions corresponding to SRS resources within a first SRS resource set, and a second configured maximum output power is applied to SRS transmissions corresponding to SRS resources within a second SRS resource set.
[0028] In some embodiments of the methods and apparatus described herein, uplink transmission includes SRS transmission utilizing SRS resources within an SRS resource set configured for antenna switching (AS); and a first configured maximum output power is applied to all SRS transmissions corresponding to the SRS resource set for AS, or a first configured maximum output power or a second configured maximum output power indicated by higher-layer parameters of a first SRS resource in a first SRS resource set for AS within an SRS resource set configured with the same time-domain behavior is applied to all SRS transmissions corresponding to the SRS resource set for AS, or a first configured maximum output power or a second configured maximum output power indicated by higher-layer parameters of a TCI state configured for a first SRS resource in a first SRS resource set for AS within an SRS resource set configured with the same time-domain behavior is applied to all SRS transmissions corresponding to the SRS resource set for AS.
[0029] In some embodiments of the methods and apparatus described herein, uplink transmission includes SRS transmission utilizing SRS resources within an SRS resource set configured for beam management (BM); and a first configured maximum output power or a second configured maximum output power indicated by higher-layer parameters configured for each SRS resource set is applied to SRS transmissions corresponding to all SRS resources within the SRS resource set, or a first configured maximum output power or a second configured maximum output power indicated by higher-layer parameters of a TCI state configured for a first SRS resource within each SRS resource set is applied to SRS transmissions corresponding to all SRS resources within the SRS resource set.
[0030] In some embodiments of the methods and apparatus described herein, when it is determined that an aperiodic SRS resource set is triggered by a physical downlink control channel (PDCCH) from a control resource set (CORESET) associated with a coresetPoolIndex value and a TCI state specific to the coresetPoolIndex value is applied to the SRS resource set, a first configuration maximum output power is applied to the SRS transmission corresponding to the SRS resource set triggered by the PDCCH from the CORESET associated with coresetPoolIndex 0; a second configuration maximum output power is applied to the SRS transmission corresponding to the SRS resource set triggered by the PDCCH from the CORESET associated with coresetPoolIndex 1.
[0031] In some embodiments of the methods and apparatus described herein, when determining that dynamic power sharing is supported in a TCI state, the base station or processor also obtains the total configured maximum output power for uplink transmission.
[0032] In some embodiments of the methods and apparatus described herein, when Downlink Control Information (DCI) schedules Space Division Multiplexing (SDM) simultaneous transmission across multiple panels (STxMP) PUSCH transmission or Single Frequency Network (SFN) STxMP PUSCH transmission, a first configured maximum output power is applied to the device having a first TCI state or corresponding to a first BFD RS set. q new The PUSCH layer or PUSCH transmission, the second configuration maximum output power is applied to the PUSCH layer or the PUSCH transmission with the second TCI state or corresponding to the second BFD RS set. q new The PUSCH layer or PUSCH transmission; when time-division multiplexing (TDM) PUSCH transmission or single transmit-receive-point (S-TRP) PUSCH transmission is scheduled by DCI, the total configured maximum output power is applied to the entire PUSCH transmission; when SFNSTxMP PUCCH transmission is scheduled by DCI, the first configured maximum output power is applied to the PUSCH transmission with the first TCI state or corresponding to the first BFD RS set. q new The PUCCH transmission, and the second configuration maximum output power is applied to the second TCI state or the corresponding second BFD RS set. q new The PUCCH transmission; and when the SRS transmission is scheduled by DCI, the total configured maximum output power is applied to the entire SRS transmission.
[0033] In some embodiments of the methods and apparatus described herein, when by means of different coresetPoolIndexWhen the PDCCH scheduling portion or PUSCH transmissions are associated with the value, the first configuration maximum output power is applied to the PDCCH with the first TCI state or the PUSCH corresponding to the first BFD RS set. q new The PUSCH transmission, and the second configuration maximum output power is applied to the second TCI state or corresponding to the second BFD RS set. q new PUSCH transmission; when by different coresetPoolIndex When PDCCH scheduling non-overlapping PUSCH transmissions with values associated with each other, the total configured maximum output power is applied to all PUSCH transmissions; when PDCCH transmissions have different values associated with each other, the total configured maximum output power is applied to all PUSCH transmissions. coresetPoolIndex When PDCCH scheduling PUCCH transmissions are associated with a value, the total configured maximum output power is applied to the entire PUCCH transmission; and when the value is associated with a PDCCH, the maximum output power is applied to the entire PUCCH transmission. coresetPoolIndex When the PDCCH associated with the value schedules SRS transmission, the total configured maximum output power is applied to the entire SRS transmission.
[0034] In some embodiments of the methods and apparatus described herein, more than one set of the following is configured or specified: UE minimum peak effective isotropic radiated power (EIRP), P Powerclass ; Peak EIRP relaxation, ΔMB P,n ; and the applicable maximum EIRP, EIRP max Furthermore, if the Type 1 or Type 3 power margin is calculated based on a reference PUSCH or SRS transmission, the associated maximum output power of the configuration is not reported in the corresponding Power Margin Report (PHR) report.
[0035] In some implementations of the methods and apparatus described herein, only one set of the following is configured or specified: the UE minimum peak effective isotropic radiated power (EIRP), PPowerclass; peak EIRP relaxation, ΔMBP, n; and the applicable maximum EIRP, EIRPmax; and if a type 1 or type 3 power margin is calculated based on a reference PUSCH or SRS transmission, the associated configured maximum output power is reported in the corresponding PHR report. Attached Figure Description
[0036] Figure 1 Examples of wireless communication systems according to various aspects of this disclosure are illustrated.
[0037] Figure 2 An example of a user equipment (UE) 200 according to various aspects of this disclosure is illustrated.
[0038] Figure 3 An example of a processor 300 according to various aspects of this disclosure is illustrated.
[0039] Figure 4 An example of a network device (NE) 400 according to various aspects of this disclosure is illustrated.
[0040] Figure 5 The diagram illustrates the highest configuration of a serving cell with an uplink according to various aspects of this disclosure. ServCellIndex Examples of enhanced multi-entry PHR MAC CE with fewer than 8 entries.
[0041] Figure 6 The diagram illustrates a flowchart of a method performed by a UE according to various aspects of this disclosure.
[0042] Figure 7 The diagram illustrates a flowchart of a method performed by an NE according to various aspects of this disclosure. Detailed Implementation
[0043] The aspects of this disclosure are described in the context of wireless communication systems.
[0044] Figure 1 An example of a wireless communication system 100 according to various aspects of this disclosure is illustrated. The wireless communication system 100 may include one or more NEs 102, one or more UEs 104, and a core network (CN) 106. The wireless communication system 100 may support various radio access technologies. In some embodiments, the wireless communication system 100 may be a 4G network, such as an LTE network or an advanced LTE (LTE-A) network. In some other embodiments, the wireless communication system 100 may be a new radio (NR) network, such as a 5G network, an advanced 5G (5G-A) network, or a 5G ultra-wideband (5G-UWB) network. In other embodiments, the wireless communication system 100 may be a combination of 4G and 5G networks, or other suitable radio access technologies, including IEEE 802.11 (Wi-Fi), IEEE 802.16 (Wi MAX), and IEEE 802.20. The wireless communication system 100 may support radio access technologies other than 5G, such as 6G. In addition, the wireless communication system 100 can support technologies such as time division multiple access (TDMA), frequency division multiple access (FDMA), or code division multiple access (CDMA).
[0045] One or more NEs 102 may be distributed throughout a geographic area to form a wireless communication system 100. The one or more NEs 102 described herein may be, include, or may be referred to as network nodes, base stations, network elements, network functions, network entities, radio access networks (RAN), NodeBs, eNodeBs (eNBs), next-generation NodeBs (gNBs), or other suitable terms. NEs 102 and UEs 104 may communicate via a communication link 110, which may be a wireless or wired connection. For example, NEs 102 and UEs 104 may perform wireless communication (e.g., receiving signaling, sending signaling) via a Uu interface.
[0046] NE 102 can provide a geographic coverage area, and NE 102 can support the services of one or more UEs 104 within that geographic coverage area. For example, NE 102 and UE 104 can support wireless communication of signals related to services (e.g., voice, video, packet data, messaging, broadcasting, etc.) based on one or more radio access technologies. In some embodiments, NE 102 can be mobile, for example, a satellite associated with a non-terrestrial network (NTN). In some embodiments, different geographic coverage areas 112 associated with the same or different radio access technologies can overlap, but different geographic coverage areas can be associated with different NEs 102.
[0047] One or more UEs 104 may be distributed throughout the geographic area of the wireless communication system 100. UE 104 may include or be referred to as a remote unit, mobile device, wireless device, remote device, subscriber device, transmitter device, receiver device, or some other suitable term. In some implementations, UE 104 may be referred to as a unit, station, terminal, or client, etc. Additionally or alternatively, UE 104 may be referred to as an Internet of Things (IoT) device, an Internet of Everything (IoE) device, or a Machine Type Communication (MTC) device, and other examples.
[0048] UE 104 may be able to support direct wireless communication with other UE 104 via a communication link. For example, UE 104 may support direct wireless communication with another UE 104 via a device-to-device (D2D) communication link. In some implementations, such as vehicle-to-vehicle (V2V) deployments, vehicle-to-everything (V2X) deployments, or cellular V2X deployments, communication link 114 may be referred to as a side link. For example, UE 104 may support direct wireless communication with another UE 104 via a PC5 interface.
[0049] NE 102 may support communication with CN 106 or with another NE 102 or both. For example, NE 102 may interface with other NE 102 or CN 106 via one or more backhaul links (e.g., S1, N2, N2, or network interfaces). In some implementations, NE 102 may communicate directly with each other. In some implementations, NE 102 may communicate with each other, or indirectly (e.g., via CN 106). In some implementations, one or more NE 102 may include sub-components, such as access network entities, which may be examples of access node controllers (ANCs). The ANC may communicate with one or more UE 104s via one or more other access network transport entities (which may be referred to as radio heads, smart radio heads, or transmit-receive points (TRPs)).
[0050] CN 106 can support user authentication, access authorization, tracking, connectivity, and other access, routing, or mobility functions. CN 106 can be an evolved packet core (EPC) or a 5G core (5GC), which may include control plane entities that manage access and mobility (e.g., a mobility management entity (MME), access and mobility management functions (AMF)) and user plane entities that route packets or interconnects to external networks (e.g., a serving gateway (S-GW), packet data network (PDN) gateway (P-GW), or user plane function (UPF)). In some implementations, the control plane entities may manage non-access stratum (NAS) functions of one or more UEs 104 served by one or more NEs 102 associated with CN 106, such as mobility, authentication, and bearer management (e.g., data bearers, signaling bearers, etc.).
[0051] CN 106 can communicate with the packet data network via one or more backhaul links (e.g., via S1, N2, N2, or another network interface). The packet data network may include an application server. In some implementations, one or more UEs 104 can communicate with the application server. UE 104 can establish a session (e.g., a Protocol Data Unit (PDU) session, etc.) with CN 106 via NE 102. CN 106 can use the established session (e.g., an established PDU session) to route services (e.g., control information, data, etc.) between UE 104 and the application server. The PDU session may be an example of a logical connection between UE 104 and CN 106 (e.g., one or more network functions of CN 106).
[0052] In the wireless communication system 100, NE 102 and UE 104 can use the resources of the wireless communication system 100 (e.g., time resources (e.g., symbols, time slots, subframes, frames, etc.) or frequency resources (e.g., subcarriers, carriers)) to perform various operations (e.g., wireless communication). In some embodiments, NE 102 and UE 104 can support different resource structures. For example, NE 102 and UE 104 can support different frame structures. In some embodiments, such as in 4G, NE 102 and UE 104 can support a single frame structure. In some other embodiments, such as in 5G and other suitable radio access technologies, NE 102 and UE 104 can support various frame structures (i.e., multiple frame structures). NE 102 and UE 104 can support various frame structures based on one or more parameter sets (numerology).
[0053] The wireless communication system 100 may support one or more parameter sets, and the parameter sets may include subcarrier spacing and cyclic prefixes. The first parameter set (e.g., =0) can be associated with the first subcarrier spacing (e.g., 15 kHz) and the normal cyclic prefix. In some implementations, the first set of parameters (e.g., ) associated with the first subcarrier spacing (e.g., 15 kHz) =0) allows one time slot to be used per subframe. The second parameter set (e.g., =1) can be associated with the second subcarrier spacing (e.g., 30 kHz) and the normal cyclic prefix. The third parameter set (e.g., =2) can be associated with the third subcarrier spacing (e.g., 60 kHz) and a normal cyclic prefix or an extended cyclic prefix. The fourth parameter set (e.g., =3) can be associated with the fourth subcarrier spacing (e.g., 120 kHz) and the normal cyclic prefix. The fifth parameter set (e.g., =4) can be associated with the fifth subcarrier spacing (e.g., 240 kHz) and the normal cyclic prefix.
[0054] The time intervals of resources (e.g., communication resources) can be organized according to frames (also known as radio frames). Each frame can have a duration, such as 10 milliseconds (ms). In some implementations, each frame can include multiple subframes. For example, each frame can include 10 subframes, and each subframe can have a duration, such as 1 ms. In some implementations, each frame can have the same duration. In some implementations, each subframe of a frame can have the same duration.
[0055] Additionally or alternatively, the time intervals of resources (e.g., communication resources) can be organized according to time slots. For example, a subframe may include a number of time slots. The number of time slots in each subframe may also depend on one or more sets of parameters supported in the wireless communication system 100. For example, a first, second, third, fourth, and fifth set of parameters (i.e., ...) associated with corresponding subcarrier intervals of 15 kHz, 30 kHz, 60 kHz, 120 kHz, and 240 kHz. =0、 =1、 =2、 =3、 =4) A single time slot per subframe, two time slots per subframe, four time slots per subframe, eight time slots per subframe, and 16 time slots per subframe can be used, respectively. Each time slot may include a number of symbols (e.g., OFDM symbols). In some implementations, the number of time slots used for a subframe may depend on the parameter set. For a normal cyclic prefix, a time slot may include 14 symbols. For an extended cyclic prefix (e.g., suitable for a 60kHz subcarrier spacing), a time slot may include 12 symbols. The relationship between the number of symbols per time slot, the number of time slots per subframe, and the number of time slots per frame for both normal and extended cyclic prefixes may depend on the parameter set. It should be understood that the first parameter set (e.g., ...) associated with the subcarrier spacing (e.g., 15kHz) The reference (=0) can be used interchangeably between subframes and time slots.
[0056] In the wireless communication system 100, the electromagnetic (EM) spectrum can be divided into various categories, frequency bands, frequency channels, etc., based on frequency or wavelength. For example, the wireless communication system 100 can support one or more operating frequency bands, such as frequency ranges specified as FR1 (410 MHz - 7.125 GHz), FR2 (24.25 GHz - 52.6 GHz), FR3 (7.125 GHz - 24.25 GHz), FR4 (52.6 GHz - 114.25 GHz), FR4a or FR4-1 (52.6 GHz - 71 GHz), and FR5 (114.25 GHz - 300 GHz). In some embodiments, NE 102 and UE 104 can perform wireless communication on one or more operating frequency bands. In some embodiments, FR1 can be used by NE 102 and UE 104, along with other equipment or devices, for cellular communication services (e.g., control information, data). In some implementations, FR2 can be used by NE 102 and UE 104, as well as other equipment or devices, for short-range, high data rate capabilities.
[0057] FR1 can be associated with one or more parameter sets (e.g., at least three parameter sets). For example, FR1 can be associated with a first parameter set that includes a 15 kHz subcarrier spacing (e.g., =0); including a second set of parameters (e.g., 30kHz subcarrier spacing). =1); and a third set of parameters including a 60kHz subcarrier spacing (e.g., =2) Associated. FR2 can be associated with one or more parameter sets (e.g., at least two parameter sets). For example, FR2 can be associated with a third parameter set that includes a 60kHz subcarrier spacing (e.g., =2) and a fourth set of parameters including a 120kHz subcarrier spacing (e.g., =3) Related.
[0058] Figure 2 An example of a UE 200 according to various aspects of this disclosure is illustrated. UE 200 may include a processor 202, a memory 204, a controller 206, and a transceiver 208. The processor 202, memory 204, controller 206, or transceiver 208, or various combinations thereof, or various components thereof, may be examples of means for performing various aspects of this disclosure as described herein. These components may be coupled via one or more interfaces (e.g., operative ground, communicative ground, functional ground, electronic ground, electrical ground).
[0059] Processor 202, memory 204, controller 206, or transceiver 208, or various combinations or components thereof, may be implemented in hardware (e.g., a circuit system). The hardware may include a processor, digital signal processor (DSP), application-specific integrated circuit (ASIC), or other programmable logic device, or any combination thereof, configured to or otherwise supporting means for performing the functions described in this disclosure.
[0060] Processor 202 may include intelligent hardware devices (e.g., a general-purpose processor, DSP, CPU, ASIC, FPGA, or any combination thereof). In some embodiments, processor 202 may be configured to operate memory 204. In some other embodiments, memory 204 may be integrated into processor 202. Processor 202 may be configured to execute computer-readable instructions stored in memory 204 to cause UE 200 to perform various functions of this disclosure.
[0061] Memory 204 may include volatile or non-volatile memory. Memory 204 may store computer-readable, computer-executable code, including instructions that, when executed by processor 202, cause UE 200 to perform the various functions described herein. The code may be stored in a non-transitory computer-readable medium, such as memory 204 or another type of memory. Computer-readable media include both non-transitory computer storage media and communication media, with communication media including any medium that facilitates the transfer of computer programs from one place to another. Non-transitory storage media may be any available medium that can be accessed by a general-purpose or special-purpose computer.
[0062] In some implementations, processor 202 and memory 204 coupled to processor 202 may be configured to cause UE 200 to perform one or more functions described herein (e.g., instructions stored in memory 204 are executed by processor 202). For example, according to the examples disclosed herein, processor 202 may support wireless communication at UE 200. UE 200 may be configured to support means of: receiving a configuration comprising multiple beams for having one or more repeated uplink transmissions; and, based on the configuration, determining a beam from the multiple beams for each transmission timing of the uplink transmission.
[0063] Controller 206 can manage input and output signals for UE 200. Controller 206 can also manage peripheral devices not integrated into UE 200. In some implementations, controller 206 can utilize technologies such as iOS. ANDROID WINDOWS The operating system or other operating systems. In some implementations, the controller 206 may be implemented as part of the processor 202.
[0064] In some embodiments, UE 200 may include at least one transceiver 208. In other embodiments, UE 200 may have more than one transceiver 208. Transceiver 208 may represent a wireless transceiver. Transceiver 208 may include one or more receiver chains 210, one or more transmitter chains 212, or a combination thereof.
[0065] Receiver chain 210 can be configured to receive signals (e.g., control information, data, packets) over a wireless medium. For example, receiver chain 210 may include one or more antennas for receiving signals over the air or a wireless medium. Receiver chain 210 may include at least one amplifier (e.g., a low-noise amplifier (LNA)) configured to amplify the received signal. Receiver chain 210 may include at least one demodulator configured to demodulate the received signal and obtain the transmitted data by reversing the modulation technique applied during signal transmission. Receiver chain 210 may include at least one decoder for decoding the demodulated signal to receive the transmitted data.
[0066] Transmitter chain 212 can be configured to generate and transmit signals (e.g., control information, data, packets). Transmitter chain 212 may include at least one modulator for modulating data onto a carrier signal, preparing the signal for transmission over a wireless medium. The at least one modulator may be configured to support one or more techniques, such as amplitude modulation (AM), frequency modulation (FM), or digital modulation schemes such as phase shift keying (PSK) or quadrature amplitude modulation (QAM). Transmitter chain 212 may also include at least one power amplifier configured to amplify the modulated signal to an appropriate power level suitable for transmission over a wireless medium. Transmitter chain 212 may also include one or more antennas for transmitting the amplified signal into the air or wireless medium.
[0067] Figure 3 An example of a processor 300 according to various aspects of this disclosure is illustrated. Processor 300 may be an example of a processor configured to perform various operations as described herein. Processor 300 may include a controller 302 configured to perform various operations as described herein. Processor 300 may optionally include at least one memory 304, which may be, for example, an L1 / L2 / L3 cache. Additionally or alternatively, processor 300 may optionally include one or more arithmetic logic units (ALUs) 306. One or more of these components may be electronically communicated or otherwise coupled (e.g., operative ground, communicative ground, functional ground, electronic ground, electrical ground) via one or more interfaces (e.g., buses).
[0068] Processor 300 may be a processor chipset and includes a protocol stack (e.g., a software stack) executed by the processor chipset to perform various operations (e.g., receiving, obtaining, retrieving, sending, outputting, forwarding, storing, determining, identifying, accessing, writing, reading) according to the examples described herein. The processor chipset may include one or more cores, one or more caches (e.g., memory native to or included in the processor chipset (e.g., processor 300)) or other memory (e.g., random access memory (RAM), read-only memory (ROM), dynamic RAM (DRAM), synchronous dynamic RAM (SDRAM), static RAM (SRAM), ferroelectric RAM (Fe RAM), magnetic RAM (MRAM), resistive RAM (RRAM), flash memory, phase-change memory (PCM), etc.).
[0069] Controller 302 can be configured to manage and coordinate various operations of processor 300 (e.g., signaling, receiving, acquiring, retrieving, sending, outputting, forwarding, storing, determining, identifying, accessing, writing, and reading) to enable processor 300 to support various operations according to examples described herein. For example, controller 302 can operate as a control unit of processor 300, generating control signals that manage the operation of various components of processor 300. These control signals include enabling or disabling functional units, selecting data paths, initiating memory accesses, and coordinating operation timing.
[0070] Controller 302 may be configured to fetch (e.g., obtain, retrieve, receive) instructions from memory 304 and determine subsequent instructions to be executed to enable processor 300 to support various operations according to the examples described herein. Controller 302 may be configured to track memory addresses of instructions associated with memory 304. Controller 302 may be configured to decode instructions to determine the operations to be performed and the operands involved. For example, controller 302 may be configured to interpret instructions and determine control signals to be output to other components of processor 300 to enable processor 300 to support various operations according to the examples described herein. Additionally or alternatively, controller 302 may be configured to manage data flow within processor 300. Controller 302 may be configured to control data transfers between registers, arithmetic logic unit (ALU), and other functional units of processor 300.
[0071] Memory 304 may include one or more caches (e.g., memory native to or included in the processor 300 or other memory, such as RAM, ROM, DRAM, SDRAM, SRAM, MRAM, flash memory, etc.). In some embodiments, memory 304 may reside within or on the processor chipset (e.g., native to the processor 300). In some other embodiments, memory 304 may reside outside the processor chipset (e.g., remote from the processor 300).
[0072] Memory 304 may store computer-readable, computer-executable code including instructions that, when executed by processor 300, cause processor 300 to perform the various functions described herein. This code may be stored in a non-transitory computer-readable medium, such as system memory or another type of memory. Controller 302 and / or processor 300 may be configured to execute the computer-readable instructions stored in memory 304 to cause processor 300 to perform various functions. For example, processor 300 and / or controller 302 may be coupled to or coupled to memory 304, and processor 300, controller 302, and memory 304 may be configured to perform the various functions described herein. In some examples, processor 300 may include multiple processors, and memory 304 may include multiple memories. One or more of the multiple processors may be coupled to one or more of the multiple memories, which may be configured individually or collectively to perform the various functions described herein.
[0073] One or more ALUs 306 may be configured to support various operations according to examples described herein. In some implementations, one or more ALUs 306 may reside within or on a processor chipset (e.g., processor 300). In some other implementations, one or more ALUs 306 may reside outside the processor chipset (e.g., processor 300). One or more ALUs 306 may perform one or more computations on data, such as addition, subtraction, multiplication, and division. For example, one or more ALUs 306 may receive input operands and an opcode that determines the operation to be performed. One or more ALUs 306 are configured with various logic and arithmetic circuitry, including adders, subtractors, shifters, and logic gates, to process and manipulate data according to the operation. Additionally or alternatively, one or more ALUs 306 may support logical operations such as AND, OR, XOR, NOR, and NAND, thereby enabling one or more ALUs 306 to handle conditional operations, comparisons, and bitwise operations.
[0074] Processor 300 may support wireless communication according to the examples disclosed herein. Processor 300 may be configured or operable to support means of: receiving a configuration including multiple beams for having one or more repeated uplink transmissions; and, based on the configuration, determining from the multiple beams a beam for each transmission timing of the uplink transmission.
[0075] Figure 4 An example of an NE 400 according to various aspects of this disclosure is illustrated. The NE 400 may include a processor 402, a memory 404, a controller 406, and a transceiver 408. The processor 402, memory 404, controller 406, or transceiver 408, or various combinations thereof, or various components thereof, may be examples of means for performing various aspects of this disclosure as described herein. These components may be coupled via one or more interfaces (e.g., operative ground, communicative ground, functional ground, electronic ground, electrical ground).
[0076] Processor 402, memory 404, controller 406, or transceiver 408, or various combinations or components thereof, may be implemented in hardware (e.g., a circuit system). The hardware may include a processor, digital signal processor (DSP), application-specific integrated circuit (ASIC), or other programmable logic device, or any combination thereof, configured to or otherwise supporting means for performing the functions described in this disclosure.
[0077] Processor 402 may include intelligent hardware devices (e.g., a general-purpose processor, DSP, CPU, ASIC, FPGA, or any combination thereof). In some embodiments, processor 402 may be configured to operate memory 404. In some other embodiments, memory 404 may be integrated into processor 402. Processor 402 may be configured to execute computer-readable instructions stored in memory 404 to cause NE 400 to perform various functions of this disclosure.
[0078] Memory 404 may include volatile or non-volatile memory. Memory 404 may store computer-readable, computer-executable code, including instructions, specifying that when executed by processor 402, NE 400 performs the various functions described herein. The code may be stored in a non-transitory computer-readable medium, such as memory 404 or another type of memory. Computer-readable media include both non-transitory computer storage media and communication media, with communication media including any medium that facilitates the transfer of computer programs from one place to another. Non-transitory storage media may be any available medium that can be accessed by a general-purpose or special-purpose computer.
[0079] In some embodiments, processor 402 and memory 404 coupled to processor 402 may be configured to cause NE 400 to perform one or more functions described herein (e.g., instructions stored in memory 404 are executed by processor 402). For example, according to the examples disclosed herein, processor 402 may support wireless communication at NE 400. NE 400 may be configured to support means of: receiving a configuration comprising multiple beams for uplink transmissions with one or more repetitions; and, based on the configuration, determining from the multiple beams a beam for each transmission timing of the uplink transmission.
[0080] Controller 406 can manage the input and output signals of NE 400. Controller 406 can also manage peripheral devices not integrated into NE 400. In some embodiments, controller 406 can utilize devices such as iOS... ANDROID WINDOWS The operating system or other operating systems. In some implementations, the controller 406 may be implemented as part of the processor 402.
[0081] In some embodiments, NE 400 may include at least one transceiver 408. In other embodiments, NE 400 may have more than one transceiver 408. Transceiver 408 may represent a wireless transceiver. Transceiver 408 may include one or more receiver chains 410, one or more transmitter chains 412, or a combination thereof.
[0082] Receiver chain 410 can be configured to receive signals (e.g., control information, data, packets) over a wireless medium. For example, receiver chain 410 may include one or more antennas for receiving signals over the air or a wireless medium. Receiver chain 410 may include at least one amplifier (e.g., a low-noise amplifier (LNA)) configured to amplify the received signal. Receiver chain 410 may include at least one demodulator configured to demodulate the received signal and obtain the transmitted data by reversing the modulation technique applied during signal transmission. Receiver chain 410 may include at least one decoder for decoding the demodulated signal to receive the transmitted data.
[0083] Transmitter chain 412 can be configured to generate and transmit signals (e.g., control information, data, packets). Transmitter chain 412 may include at least one modulator for modulating data onto a carrier signal, preparing the signal for transmission over a wireless medium. The at least one modulator may be configured to support one or more techniques, such as amplitude modulation (AM), frequency modulation (FM), or digital modulation schemes such as phase shift keying (PSK) or quadrature amplitude modulation (QAM). Transmitter chain 412 may also include at least one power amplifier configured to amplify the modulated signal to an appropriate power level suitable for transmission over a wireless medium. Transmitter chain 412 may also include one or more antennas for transmitting the amplified signal into the air or wireless medium.
[0084] In single TRP mode, only one TRP communicates with the UE via a carrier, and all UL signals or channels are sent to this single TRP.
[0085] For transmissions in M-TRP mode based on S-DCI, two TRPs with ideal backhaul communicate with the UE via a carrier, and one DCI can be sent to multiple TRPs by one of the two TRPs that schedule one or more PUSCH transmissions.
[0086] In the M-TRP mode based on M-DCI, two TRPs with non-ideal backhaul communicate with the UE via a carrier, where each TRP can send a DCI to the same TRP to schedule PUSCH transmission.
[0087] The M-TRP mode based on M-DCI can utilize the RRC parameters configured in each core set of the core set used by the BWP for the serving cell. coresetPoolInex To identify and at least configure different values.
[0088] The S-DCI-based M-TRP mode can be identified by the RRC parameters of the BWP configured for the serving cell or by indicating or activating at least one TCI code point mapped to two joint TCI states, two DL TCI states, or two UL TCI states.
[0089] NR Release 18 specifies simultaneous UL transmission with multiple panels (STxMP), where UL signals or channels from two panels can be simultaneously transmitted to different TRPs at the same time and frequency resources. For example, SDM-based STxMP PUSCH can be scheduled in a single-DCI (S-DCI) based multi-TRP (M-TRP) mode, where some PUSCH layers are transmitted from one panel to one TRP, and other PUSCH layers are simultaneously transmitted from another panel to another TRP, to improve UL throughput for cell-edge UEs.
[0090] In the M-TRP mode based on multiple DCI (M-DCI), different TRPs can transmit separate DCIs with independently scheduled PUSCHs, which can overlap in the time and frequency domains, i.e., supporting STxMP PUSCH+PUSCH. Dynamic switching between S-TRP and M-TRP PUSCH transmissions is also supported for both S-DCI and M-DCI modes. The UL TCI state is used to configure the RS for the UE to determine the UL Tx spatial filter (i.e., the UL Tx beam) for UL transmission. The joint TCI state is used to configure the RS for the UE to determine the UL Tx spatial filter (i.e., the DL Rx beam) for DL reception.
[0091] To meet the total power limit in the case of STxMP PUSCH transmissions from two panels, RAN4 (Radio Performance and Protocol Aspects) has confirmed that the UE can configure two maximum output powers for the two indicated TCI states of the serving cell's carrier. For example, P CMAX,f,c,0 and P CMAX,f,c,1 The UE can be configured separately for the joint (i.e., for both UL and DL) or UL TCI states indicated by the first and second indications. Two issues are identified regarding power control. First, if only one PUSCH is scheduled in a time slot from a panel having one of the indicated joint TCI states or UL TCI states, then when the UE has the ability to share power among different panels, the per-cell power limit (which is greater than P) can be implemented. CMAX,f,c,0 and P CMAX,f,c,1 Both are applied to the corresponding UL transmission to improve UL coverage. Secondly, for cases where the UE does not support power sharing across different panels, the UE should separately allocate P... CMAX,f,c,0 and P CMAX,f,c,1 This applies to UL transfers associated with the combined or UL TCI status indicated by the first and second indications. However, for UL transfers that do not conform to the indicated combined or UL TCI status, it is necessary to specify that P should be applied. CMAX,f,c,0 and P CMAX,f,c,1 Which one?
[0092] This disclosure proposes enhancements to power control to support dynamic switching between STxMP and single-panel UL transmission.
[0093] The following is provided in the current Technical Specification (TS) of the 3rd Generation Partnership Project (3GPP).
[0094] 6.2.4 Transmit power configured in TS38.101-2
[0095] The UE can configure its maximum output power. The maximum output power P of the UE is configured for the carrier f of the serving cell c. CMAX,f,c It is defined as the power available at a reference point for a given transmitter branch, which corresponds to the reference point for the upper layer filter RSRP measurement specified in TS 38.215
[11] .
[0096] The maximum output power P of the UE configured for carrier f in serving cell c. CMAX,f,c It should be set so that the corresponding measurement peak EIRP P UMAX,f,c Within the following limits The corresponding measured total radiated power P TMAX,f,c By the following limits
[0097] Where P Powerclass It is the minimum peak EIRP of the UE as specified in sub-clause 6.2.1, EIRP max The applicable maximum EIRP, MPR is as specified in sub-clause 6.2.1. f,c As specified in sub-clause 6.2.2, A-MPR f,c As specified in sub-clause 6.2.3, It is the peak EIRP relaxation as specified in Clause 6.2.1, and TRP max It is the maximum TRP of the UE power level as specified in sub-clause 6.2.1. If the UE declares support for mpr-PowerBoost-FR2-r16, then ΔP IBE It's 1.0dB, UL transmission is QPSK, MPR. f,c =0, and when NS_200 applies, and the network configures the UE to operate with mpr-PowerBoost-FR2-r16, otherwise ΔP IBE It is 0.0dB. Verification requirements are in the beam peak direction.
[0098] As defined in TS 38.306
[14] , maxUplinkDutyCycle-FR2 is a UE capability that promotes electromagnetic power density exposure requirements. This UE capability applies to all FR2 power classes.
[0099] If the UE capability field maxUplinkDutyCycle-FR2 exists and the percentage of uplink symbols transmitted in any 1-second evaluation period is greater than maxUplinkDutyCycle-FR2, then the UE follows uplink scheduling and can apply P-MPR. f,c .
[0100] If the maxUplinkDutyCycle-FR2 field of the UE capability does not exist, compliance with electromagnetic power density exposure requirements is ensured by scaling down the power density or by other means.
[0101] P-MPR f,c This refers to a reduction in the maximum output power for power management. The UE should only apply P-MPR to carrier f of serving cell c for the situations described below. f,c For UE conformance testing, P-MPR f,c It should be 0dB, except for the UL clearance test used for Tx power management, in which P-MPR f,c It can be non-zero dB.
[0102] a) For scenarios not covered by the 3GPP RAN specification, ensure compliance with applicable electromagnetic power density exposure requirements and address undesirable transmit / self-inductance reduction requirements when transmitting simultaneously on multiple RATs. b) When using proximity detection, ensure compliance with applicable electromagnetic power density exposure requirements to address the need for lower maximum output power.
[0103] Note 1: In P CMAX,f,c P-MPR is introduced in the equation. f,c This allows the UE to report the maximum available output transmit power to the gNB. This information can then be used by the gNB for scheduling decisions.
[0104] Note 2: P-MPR f,c The maxUplinkDutyCycle-FR2 parameter can affect the maximum uplink performance of the selected UL transmission path.
[0105] Note 3: When the reporting conditions configured in gNB are met, such as the MPE P-MPR reporting capability tdd-MPE-P-MPR-Reporting-r16 defined in TS 38.306
[14] , it is used to report P-MPR. f,cThis UE capability applies to all FR2 power levels.
[0106] Power control of PUSCH in TS38.213
[0107] If the UE uses an index j Parameter set configuration and index l PUSCH power control adjustment status in the serving cell c carrier f UL BWP activities b When the UE sends a PUSCH, the timing of the PUSCH transmission will be determined by the UE. i PUSCH transmit power in Determined as
[0108] [dBm]
[0109] in, - It refers to the timing of PUSCH transmission. i Service communities c carrier f The UE configuration maximum output power is defined in [8-1, TS 38.101-1], [8-2, TS 38.101-2] and [8-3, TS 38.101-3].
[0110] Power headroom report for PUSCH in TS38.213
[0111] If the UE determines that the Type 1 power margin report for the active serving cell is based on actual PUSCH transmissions, then for the serving cell c carrier f UL BWP activities b During the PUSCH transmission timing, the UE calculates the Type 1 power margin report as follows: [dB] in, , , , , , and Defined in Clause 7.1.1.
[0112] If the UE determines that the Type 1 power margin report for the active serving cell is transmitted based on the reference PUSCH, then for the serving cell c carrier f UL BWP activities bDuring the PUSCH transmission timing, the UE calculates the Type 1 power margin report as follows: [dB] Where, assume MPR = 0 dB, A-MPR = 0 dB, P-MPR = 0 dB, ΔT C =0dB to calculate . MPR, A-MPR, P-MPR and ΔT C Defined in [8-1, TS 38.101-1], [8-2, TS 38.101-2] and [8-3, TS38.101-3].
[0113] Enhanced multi-entry PHR MAC CE in TS38.321 (6.1.3.49)
[0114] The enhanced multi-entry PHR MAC CE is identified by a MAC subheader with an eLCID as specified in Table 6.2.1-2b. It is variable-sized and has the following fields: -C i This field indicates the presence of the PH field of the serving cell with ServCellIndex i as specified in TS 38.331[5]. C is set to 1. i The field indicates the PH field of the serving cell in the report, which has ServCellIndex i. A PH field set to 0 indicates a PH field in the serving cell. i The field indicates that the PH field of the serving cell with ServCellIndex i was not reported; -R: Reserve bits, set to 0; -V: This field indicates whether the PH value is based on the actual transmission or the reference format. For Type 1 PH, a V field set to 0 indicates an actual transmission on the PUSCH, and a V field set to 1 indicates the use of the PUSCH reference format. For Type 2 PH, a V field set to 0 indicates an actual transmission on the PUCCH, and a V field set to 1 indicates the use of the PUCCH reference format. For Type 3 PH, a V field set to 0 indicates an actual transmission on the SRS, and a V field set to 1 indicates the use of the SRS reference format. Furthermore, for Type 1, Type 2, and Type 3 PH, a V field set to 0 indicates the presence of a P that includes the associated P. CMAX,f,c The eight-bit bytes of the field and the MPE field, and the V field set to 1 indicates that the associated P field is omitted. CMAX,f,c The eight-bit bytes of the field and the MPE field; - Power headroom (PH): This field indicates the power headroom level. The field is 6 bits long. Table 6.1.3.8-1 shows the reported PH and the corresponding power headroom level (the corresponding measurement in dB for the NR serving cell is specified in TS 38.133
[11] , and the corresponding measurement in dB for the E-UTRA serving cell is specified in TS 36.133
[12] ). -P: If mpe-Reporting-FR2 is configured and the serving cell operates on FR2, the MAC entity should set this field to 0 if the applied P-MPR value meets the MPE requirement specified in TS 38.101-2
[15] less than P-MPR_00 specified in TS 38.133
[11] , otherwise set it to 1. If mpe-Reporting-FR2 is not configured or the serving cell operates on FR1, this field indicates whether power backoff is applied due to power management (as permitted by P-MPRc specified in TS 38.101-1
[14] , TS 38.101-2
[15] and TS 38.101-3
[16] ). If the corresponding P CMAX,f,c If a field will have a different value if power backoff is not applied due to power management, the MAC entity should set the P field to 1; -P CMAX,f,c If present, this field indicates the P used for the NR serving cell. CMAX,f,c (as specified in TS 38.213[6]) and the P of the E-UTRA serving cell used to calculate the previous PH field. CMAX,c or (As specified in TS 36.213
[17] ). Table 6.1.3.8-2 shows the reported P. CMAX,f,c And the corresponding nominal UE transmit power level (the corresponding measurement in dBm for the NR serving cell is specified in TS 38.133
[11] , while the corresponding measurement in dBm for the E-UTRA serving cell is specified in TS 36.133
[12] ). -MPE: If mpe-Reporting-FR2 is configured and the serving cell operates on FR2, and if the P field is set to 1, this field indicates the applied power backoff to meet the MPE requirements, as specified in TS 38.101-2
[15] . This field indicates the index of Table 6.1.3.8-3 and specifies the corresponding measured value of the P-MPR level in dB in TS 38.133
[11] . This field is 2 bits long. If mpe-Reporting-FR2 is not configured, or if the serving cell operates on FR1, or if the P field is set to 0, then R bits are present instead; -B i This field indicates whether any Resource exists. i Identified candidate beam information. If field B1 is set to 1, there is a first octet containing Resource1, and if field B2 is set to 1, there is a second octet containing Resource2, and so on.
[0115] -P i If mpe-Reporting-FR2-r17 is configured and the serving cell is operating on FR2, the MAC entity shall set the field to 0 if the applied P-MPR value meets the MPE requirement specified in TS 38.101-2
[15] less than the P-MPR_00 specified in TS 38.133
[11] , otherwise set it to 1; -MPE i If mpe-Reporting-FR2-r17 is configured and the serving cell operates on FR2, and if the corresponding Pi field is set to 1, this field indicates the applied power backoff to meet MPE requirements, as specified in TS38.101-2
[15] . This field indicates the index of Table 6.1.3.8-3 and specifies the corresponding measurement of the P-MPR level in dB in TS 38.133
[11] . The field is 2 bits long. If mpe-Reporting-FR2-r17 is not configured, or if the serving cell operates on FR1, or if P i If the field is set to 0, then R bits are present instead; -Resource i This field indicates the candidate beam identified by the number of entries in the corresponding mpe-ResourcePoolToAddModList specified in TS 38.331[5]. The length of this field is 6 bits.
[0116] Figure 5The diagram illustrates the highest configuration of a serving cell with an uplink according to various aspects of this disclosure. ServCellIndex An example of an enhanced multi-entry PHR MAC CE with fewer than 8 entries. Figure 5 The corresponding fields are as specified above.
[0117] This disclosure provides a power control scheme for issues involving the UE to support dynamic switching between single TRP and multi-TRP operations, particularly regarding how to determine the configured maximum output power for each UL transmission. Two typical UE capabilities regarding whether the UE supports dynamic power sharing across different panels are introduced; and a method for the UE to determine the P for UL transmissions that do not conform to the indicated joint or UL TCI state is proposed. CMAX,f,c,0 0 and P CMAX,f,c,1 One of the methods. Furthermore, the PHR report regarding P was discussed. CMAX The proposed plan in the report.
[0118] Utilizing the unified TCI framework for STxMP in M-TRP scenarios, two joint or UL TCI states should be indicated for the UE in the serving cell's BWP: a first joint or UL TCI state and a second joint or UL TCI state, with each joint or UL TCI state associated with a configured maximum output power. For example, P CMAX,c,f,0 Associated with the first union or UL TCI status, and P CMAX,c,f,1 Associated with a second union or UL TCI status. P CMAX,c,f,0 This can be referred to as the first configuration maximum output power, and P CMAX,c,f,1 This can be referred to as the second configured maximum output power. Furthermore, the UE can be configured with another maximum output power P. CMAX,c,f This limits the total maximum output power of carriers in cells with single TRP transmission. CMAX,c,f This can be referred to as the total configured maximum output power. In summary, the UE can configure the following three parameters to determine the transmit power of UL transmission in the carrier: : Serving cell for total transmit power c carrier f The maximum output power of the configuration; ·P CMAX,c,f,k Serving cell used for transmissions associated with the (k+1)th joint or UL TCI state of STxMP. c carrier f The maximum output power is configured where k = 0 and 1.
[0119] Two different UE capabilities can be considered: UE Capability 1: The UE supports dynamic power sharing in the transmission Tx chain corresponding to different panels, that is, it supports dynamic power sharing in TCI state. UE Capability 2: The UE does not support dynamic power sharing in the Tx chain corresponding to different panels, that is, it does not support dynamic power sharing in the TCI state.
[0120] For UE capability 1, the UE can dynamically allocate transmit power across different panels to ensure that the UE transmits scheduled UL signals at maximum output power. For example, when scheduling STxMP PUSCH, P... CMAX,c,f,k Applicable to the ( ) k +1) PUSCH transmissions in combined or UL TCI states; and when sending S-panel (single-panel) PUSCH, PUCCH, or SRS, apply P CMAX,c,f .
[0121] For UE capability 2, when the UE is activated, the power distribution between the two panels used for UL transmission is fixed. For this type of UE, even when S-panel (or S-TRP) UL transmission is determined, the UE may only allocate P... CMAX,c,f,k Applicable to the ( ) k +1) UL transmissions in either joint or UL TCI status.
[0122] The UE can indicate its capabilities to the gNB, either UE capability 1 or 2. In some examples, the UE can send a capability indicator to the gNB indicating whether it supports dynamic power sharing in the TCI state. In some examples, the UE may not send a capability indicator to the gNB if it does not support dynamic power sharing. Therefore, if the gNB does not receive a capability indicator, the gNB can assume that the UE does not support dynamic power sharing.
[0123] Determining P for a particular UL transmission CMAX
[0124] For S-DCI-based M-TRP or M-panel scenarios, the following scheme is used to determine the maximum output power of a specific UL transmission.
[0125] In S-DCI-based M-TRP with potential STxMP UL operation, if the UE supports dynamic power sharing (i.e., UE capability 1), the UE is configured with P for S-TRP and STxMP transmissions respectively. CMAX,c,f and P CMAX,c,f,k ( k =0,1).
[0126] When the UE detects that all beams in the beam fault detection set have failed, the UE will find a new beam in the candidate beam set. qnew This is used for uplink transmission to TRP, rather than indicating the union or UL TCI status.
[0127] In some examples, when the SDM STxMP PUSCH is scheduled, configured, or activated (e.g., by DCI scheduling), the UE should send P... CMAX,c,f,0 (That is, the first configuration maximum output power) is applied to the combined or UL TCI state corresponding to the first indication or the first BFD RS set. qnew The associated PUSCH layer is transmitted, and P is transferred. CMAX,c,f,1 (That is, the second configuration maximum output power) applies to the combined or UL TCI state with the second indication or to the second BFD RS set. qnew Associated PUSCH layer transmissions. For SDM STxMP PUSCH, different PUSCH layers of the same PUSCH are transmitted on the same time and frequency resources by different joint or UL TCI states.
[0128] In some examples, when the SFN STxMP PUSCH is scheduled, configured, or activated (e.g., by DCI scheduling), the UE should send P... CMAX,c,f,0 Applicable to the combined or UL TCI status with the first indication or corresponding to the first BFD RS set. qnew Associated PUSCH transmission, and P CMAX,c,f,1 Applicable to the combined or UL TCI status with the second indication or corresponding to the second BFDRS set. qnew Associated PUSCH transmissions. For SFN STxMP PUSCH, the same PUSCH can be sent by two panels with different TCI states.
[0129] In some examples, when a TDM-based PUSCH is repeated or an S-TRP PUSCH is scheduled, configured, or activated, the UE should send the P... CMAX,c,f (That is, the total configured maximum output power) is applied to all PUSCH transmissions associated with the first or second indicated joint or UL TCI status. In other words, P... CMAX,c,f This applies to the entire PUSCH transmission. In TDM-based PUSCH repetition, only one PUSCH is transmitted in the time instance from the panel to the TRP with UL TCI status, and the same PUSCH is transmitted in different time instances of the repetition by using different unions or UL TCI statuses.
[0130] In some examples, when the SFN STxMP PUCCH is configured in the PUCCH configuration of the BWP for the serving cell (e.g., via the RRC information element PUCCH-Config), if the PUCCH resource or PUCCH resource group is configured to be associated with both the indicated joint TCI state or UL TCI state, the UE should send the PUCCH to the appropriate location. CMAX,c,f,0 Applicable to the combined or UL TCI status with the first indication or corresponding to the first BFD RS set. qnew Associated PUCCH transmission, and P CMAX,c,f,1 Applicable to the combined or UL TCI status with the second indication or corresponding to the second BFD RS set. qnew The associated PUCCH transmission; and if a PUCCH resource or PUCCH resource group is configured to be associated with the indicated first joint TCI state or the indicated second joint TCI state or UL TCI state, then the UE should transmit P... CMAX,c,f This applies to the corresponding PUCCH transmission. For SFN STxMP PUCCH, the same PUCCH can be transmitted by two panels with different TCI states.
[0131] In some examples, when SFN STxMP PUCCH is not configured... PUCCH-Config When in the middle, the UE should send P CMAX,c,f It is applied to the corresponding PUCCH transmission.
[0132] Since STxMP-based SRS transmission is not supported, the UE should... CMAX,c,f Applicable to all SRS transmissions.
[0133] In an S-DCI-based M-TRP with potential STxMP UL operation, where the UE does not support dynamic power sharing (i.e., UE capability 2), the UE configures P for the first indicated joint or UL TCI state and the second indicated joint or UL TCI state respectively. CMAX,c,f,0 and P CMAX,c,f,1 .
[0134] Specifically, in some examples, for PUSCH transmission, the UE should send P... CMAX,c,f,0 Applied to one or more PUSCH layer transmissions associated with the first indicated joint or UL TCI state, and P CMAX,c,f,1 This applies to one or more PUSCH layer transmissions associated with the joint or UL TCI state of the second indication. Regarding BFR, this applies to the UE application corresponding to the first BFDRS set. qnew Instead of the first indication of joint or UL TCI status, the UE should send P CMAX,c,f,0Applied to the first BFD RS set qnew One or more associated PUSCH layer transmissions; and the UE application corresponding to the second BFD RS set. qnew Instead of the second indication of joint or UL TCI status, the UE should send P CMAX,c,f,1 Applied to the second BFD RS set qnew One or more associated PUSCH layer transports.
[0135] In some examples, for PUCCH transmission, the UE should send P... CMAX,c,f,0 Applicable to the combined or ULTCI state with the first indication or corresponding to the first BFD RS set qnew Associated PUCCH transmission, and P CMAX,c,f,1 Applicable to the combined or UL TCI status with the second indication or corresponding to the second BFD RS set. qnew Associated PUCCH transmission.
[0136] In some examples, for SRS transmissions, when the aperiodic (AP), periodic (P), or semi-persistent (SP) SRS resource sets for CB, NCB, or AS, or the aperiodic SRS resource set for BM, are configured to follow a uniform TCI state, the UE should transmit P. CMAX,c,f,0 SRS transmissions associated with the first indication of a joint or UL TCI status are applied, and P is... CMAX,c,f,1 SRS transmissions are applied to the joint / UL TCI status associated with the second indication.
[0137] In some examples, for SRS transmissions, if the SRS resources within the SRS resource set used for codebooks or non-codebooks are configured in a federated or UL TCI state, the UE should send P CMAX,c,f,0 Applied to SRS transmissions corresponding to SRS resources within the first SRS resource set, and P CMAX,c,f,1 Applied to SRS transmissions corresponding to SRS resources within the second SRS resource set.
[0138] In some examples, for SRS transmission, when the SRS resources within the SRS resource set used for antenna switching (AS) are configured with an indicated joint or UL TCI state, the following three alternatives are provided to the UE to determine the maximum output power configured for SRS transmission: Alternative Solution 1: UE will P CMAX,c,f,0 Applies to all SRS transports corresponding to the SRS resource set used for AS.
[0139] Alternative Solution 2: Provide RRC parameters to the SRS resource set used for AS to instruct the UE to apply P to all SRS transmissions corresponding to the first SRS resource in the first SRS resource set used for AS. CMAX,c,f,0 or P CMAX,c,f,1 The maximum output power configured by the higher-layer parameters of the first SRS resource in the first SRS resource set for AS, which is configured with the same time-domain behavior (i.e., any of periodic, aperiodic, or semi-persistent), can be applied to all SRS transmissions. Therefore, all SRS resource sets with the same time-domain behavior use the same maximum output power.
[0140] Alternative 3: Each joint or UL TCI state is indicated by a higher-layer parameter as being associated with a first or second configured maximum output power configured by the UE. To ensure that all SRS resource sets with the same time-domain behavior (i.e., all aperiodic, periodic, or semi-persistent SRS resource sets) use the same configured maximum output power, the UE uses the configured maximum output power associated with the joint or UL TCI state configured for the first SRS resource in the first SRS resource set among all SRS resource sets configured with the same time-domain behavior for SRS transmissions corresponding to all SRS resource sets used for the AS.
[0141] In some examples, for SRS transmissions, in the case of SRS resources within the SRS resource set used for beam management (BM) with indicated TCI status, the following alternatives are provided: Alternative Option 1: Each SRS resource set can be provided with RRC signaling to instruct the UE to apply P. CMAX,c,f,0 or P CMAX,c,f,1 SRS transmission to the SRS resource corresponding to the SRS resource in the SRS resource set.
[0142] Alternative 2: Each joint or ULTCI state is indicated by a higher-layer parameter as associated with a first or second configured maximum output power configured by the UE. The UE will use the configured maximum output power associated with the joint or ULTCI state configured for the first SRS resource within each SRS resource set for SRS transmissions corresponding to all SRS resources within the SRS resource set.
[0143] For M-TRP or M-panel scenarios based on M-DCI, the following scheme is used to determine the maximum output power of a specific UL transmission.
[0144] In M-TRP based on M-DCI with potential STxMP UL operation, if the UE supports dynamic power sharing (i.e., UE capability 1), the UE is configured with P for S-TRP and STxMP transmission respectively. CMAX,c,f and PCMAX,c,f,k ( k =0,1).
[0145] Specifically, in some examples, when fully or partially overlapping PUSCH transfers are scheduled, configured, or activated (e.g., by different...), coresetPoolIndex When scheduling the physical downlink control channel (PDCCH) associated with the value, the UE should send P CMAX,c,f,0 Applied to and specific to coresetPoolIndex 0 indicates the combined or UL TCI status or the status corresponding to the first BFD RS set. qnew Associated PUSCH transmission, and P CMAX,c,f,1 Applied to and specific to coresetPoolIndex The indication of 1 is the joint or UL TCI status or the corresponding second BFD RS set. qnew Associated PUSCH transfer.
[0146] In some examples, when non-overlapping PUSCH transfers are scheduled, configured, or activated (e.g., by different...), of coresetPoolIndex When scheduling a PDCCH associated with a value, the UE should send the PDCCH. CMAX,c,f Applied to and specific to coresetPoolIndex The PUSCH transmission associated with the indicated union or UL TCI status of 0 or 1.
[0147] In some examples, when PUCCH transmissions are configured or scheduled (e.g., by the same or different...), coresetPoolIndex When scheduling a PDCCH associated with a value, the UE should send the PDCCH. CMAX,c,f Applicable to all PUCCH transmissions (i.e., with any coresetPoolIndex The value-associated PUCCH transmission is not supported because STxMP PUCCH+PUCCH transmission is not supported, that is, simultaneous transmission of PUCCH from different panels to different TRPs is not supported, and PUCCH is sent from only one panel to one TRP in a time instance.
[0148] In some examples, when SRS transport is configured or scheduled (e.g., by the same or different...) coresetPoolIndex When scheduling PDCCH associated with the value, since STxMP SRS+SRS transmission is not supported, the UE should... CMAX,c,f This applies to all SRS transmissions; that is, simultaneous transmission of SRS from different panels to different TRPs is not supported, and SRS is sent from only one panel to one TRP in a time instance.
[0149] In M-TRP based on M-DCI with potential STxMP UL operation, where the UE does not support dynamic power sharing (i.e., UE capability 2), the UE is specifically... coresetPoolIndex The 0 and 1 indicate the combined or UL TCI status configuration P CMAX,c,f,0 and P CMAX,c,f,1 .
[0150] Specifically, in some examples, for PUSCH transmission, the UE should send P... CMAX,c,f,0 Applied to and specific to coresetPoolIndex The PUSCH transmission associated with the union or UL TCI state indicated by 0 (i.e., the first TCI state), and will P CMAX,c,f,1 Applied to and specific to coresetPoolIndex The PUSCH transmission associated with the indicated joint or UL TCI state (i.e., the second TCI state). Regarding BFR, the UE application corresponds to the first BFD RS set. qnew Instead of being specific to coresetPoolIndex In the case of the joint or UL TCI state indicated by 0, the UE should send P CMAX,c,f,0 Applied to the first BFD RS set qnew One or more associated PUSCH layer transmissions; and the UE application corresponding to the second BFD RS set. qnew Instead of being specific to coresetPoolIndex In the case of the joint or UL TCI state indicated by 1, the UE should send P CMAX,c,f,1 Applied to the second BFD RS set qnew One or more associated PUSCH layer transports.
[0151] In some examples, for PUCCH transmission, the UE should send P... CMAX,c,f,0 Applied to and specific to coresetPoolIndex The indicated joint or UL TCI state of 0 or the one corresponding to the first BFD RS set qnew Associated PUCCH transmission, and P CMAX,c,f,1 Applied to and specific to coresetPoolIndex The indicated joint or UL TCI status of 1 or the one corresponding to the second BFD RS set qnew Associated PUCCH transmission.
[0152] In some examples, for SRS transmissions, when the aperiodic, periodic, or semi-persistent resource sets for CB / NCB / AS or the aperiodic SRS resource set for BM are configured to follow a uniform TCI state, the UE should send P CMAX,c,f,0 Applied to and specific tocoresetPoolIndex The PUCCH transmission associated with the indicated joint / UL TCI status of 0, and will P CMAX,c,f,1 Applied to and specific to coresetPoolIndex The PUCCH transmission associated with the indicated joint / UL TCI status of 1.
[0153] In some examples, for SRS transmissions, if the SRS resources within the SRS resource set used for CB / NCB are configured in a joint or UL TCI state, the UE should send P CMAX,c,f,0 Applied to SRS transmissions corresponding to SRS resources within the first SRS resource set, and P CMAX,c,f,1 Applied to SRS transmissions corresponding to SRS resources within the second SRS resource set.
[0154] In some examples, for SRS transmissions, where the SRS resources within the SRS resource set used for antenna switching (AS) are configured in a joint or UL TCI state, the following three alternatives are provided: Alternative Solution 1: UE will P CMAX,c,f,0 Applies to all SRS transports corresponding to the SRS resource set used for AS.
[0155] Alternative Solution 2: Provide RRC parameters to the SRS resource set used for AS to instruct the UE to apply P to all SRS transports corresponding to the SRS resource set used for AS. CMAX,c,f,0 or P CMAX,c,f,1 The applied maximum output power (i.e., the first or second maximum output power) is indicated by a higher-level parameter of the first SRS resource in the first SRS resource set used for the AS, which is among the SRS resource sets configured with the same temporal behavior. In other words, all SRS resource sets with the same temporal behavior use the same maximum output power.
[0156] Alternative 3: Each joint or UL TCI state is indicated by a higher-layer parameter as being associated with a first or second configured maximum output power configured by the UE. To ensure that all SRS resource sets with the same time-domain behavior (i.e., all aperiodic, periodic, or semi-persistent SRS resource sets) use the same configured maximum output power, the UE uses the configured maximum output power associated with the joint or UL TCI state configured for the first SRS resource in the first SRS resource set among all SRS resource sets configured with the same time-domain behavior for SRS transmissions corresponding to all SRS resource sets used for the AS.
[0157] In some examples, for SRS transmissions, in the case of SRS resources within the SRS resource set used for beam management (BM) with indicated TCI status, the following alternatives are provided: Alternative Option 1: Each SRS resource set can be provided with RRC signaling (i.e., higher-layer parameters) to instruct the UE to apply P. CMAX,c,f,0 or P CMAX,c,f,1 SRS transmission to the SRS resource corresponding to the SRS resource in the SRS resource set.
[0158] Alternative 2: Each joint or ULTCI state is indicated by a higher-layer parameter as associated with a first or second configured maximum output power configured by the UE. The UE will use the configured maximum output power associated with the joint or ULTCI state configured for the first SRS resource within each SRS resource set for SRS transmissions corresponding to all SRS resources within the SRS resource set.
[0159] In some examples, for SRS transmissions, the aperiodic SRS resource set is composed of data from and coressetPoolIndex The value associated with the CORESET's PDCCH bearer is DCI triggered and the UE determines that it will be specific to coressetPoolIndex When the value indicates the joint or UL TCI state applied to the SRS resource set, the UE should send P CMAX,c,f,0 Applied to and from coressetPoolIndex The SRS transmission corresponding to the SRS resource set triggered by the PDCCH of the associated CORESET 0, and the P CMAX,c,f,1 Applied to and from coressetPoolIndex 1. SRS transmissions corresponding to the SRS resource set triggered by the PDCCH of the associated CORESET.
[0160] P for PHR for reference PUSCH / SRS CMAX reporting
[0161] It has been agreed that when calculating PH based on actual PUSCH transmissions, the UE should report the P associated with the first or second joint or UL TCI status. CMAX,f,c,k However, when calculating the reported PH based on the reference PUSCH transmission, whether or not P is reported... CMAX Still under discussion. Version 17 has a single P. CMAX,f,c In the S-TRP scenario, virtual PH reports are not based on reference PUSCH transmission reports because the gNB can obtain P by assuming MPR = 0dB, A-MPR = 0dB, P-MPR = 0dB (where no actual transmission occurs) and according to the following limits. CMAX value: Among them, P Powerclass (UE minimum peak EIRP), ΔP IBE ΔMB P,n (EIRP relaxation) and EIRP max(The applicable maximum EIRP) is a specific value for each power class UE and is known to the gNB.
[0162] When configuring P for either the combined or UL TCI status of two indicators respectively. CMAX,f,c,0 and P CMAX,f,c,1 When (e.g., by gNB) additionally specifying per panel or per TCI state P Powerclass ΔP IBE ΔMB P,n and EIRP max Furthermore, since the UE can perform power reduction per panel or per TCI state, the gNB can obtain the P used for virtual PH calculation by assuming MPR = 0dB, A-MPR = 0dB, and P-MPR = 0dB per panel per TCI state. CMAX Value. In this case, the UE does not need to report P as in version 17. CMAX Value. That is, if more than one set of P is configured or specified for the UE. Powerclass ΔP IBE ΔMB P,n and EIRP max Configure P for each indication's joint or UL TCI status. UMAX,f,c Furthermore, if the power margin for type 1 or type 3 is calculated based on the reference PUSCH or SRS transmission, the associated maximum output power of the configuration is not reported in the corresponding PHR report.
[0163] Although no per panel or per TCI state P is specified Powerclass ΔP IBE ΔMB P,n and EIRP max However, the UE may need to perform power distribution between two panels or TCI states through UE implementation. In this case, the gNB cannot obtain the P for virtual PH calculation according to Release 17 principles. CMAX The value, and needs to be reported along with the virtual PH in the report. CMAX Value. That is, if only one set of P is configured or specified. Powerclass ΔP IBE ΔMB P,n and EIRP max Furthermore, if the power margin for type 1 or type 3 is calculated based on the reference PUSCH or SRS transmission, the associated maximum output power of the configuration is reported in the corresponding PHR report.
[0164] Furthermore, for UEs that support dynamic power sharing across different panels, when sending an S-TRP PUSCH or SRS and reporting the corresponding Type 1 or Type 3 PH based on the actual PUSCH or SRS transmission, PCMAX,f,c Used for actual pH calculations and reported along with the pH report. When it is determined that a virtual type 1 or type 3 pH should be reported, it is not necessary to report the corresponding pH as in version 17. CMAX,f,c For example, SRS can only be sent in S-TRP mode and will always apply P. CMAX,f,c .
[0165] Figure 6 A flowchart illustrating a method according to various aspects of this disclosure is shown. The operation of this method can be implemented by a UE as described herein. In some embodiments, the UE can execute a set of instructions to control the functional elements of the UE to perform the described functions.
[0166] At 602, the method may include obtaining a first configured maximum output power for a Transmission Configuration Indication (TCI) state for a first indication and a second configured maximum output power for a TCI state for a second indication, wherein both TCI states are for the Bandwidth Part (BWP) indication of the serving cell, and multi-panel uplink (UL) transmission is enabled simultaneously. Operation 602 can be performed according to the examples described herein. In some embodiments, aspects of operation 602 may be derived from references... Figure 2 The described UE is used to execute.
[0167] At 604, the method may include generating a capability indicator indicating whether dynamic power sharing in a TCI state is supported. The operation at 604 can be performed according to the examples described herein. In some implementations, aspects of the operation at 604 may be derived from, as referenced... Figure 2 The described UE is used to execute.
[0168] At 606, the method may include sending a capability indicator to the base station when it is determined that a capability indicator indicates support for dynamic power sharing in a TCI state. The operation of 606 can be performed according to the examples described herein. In some implementations, aspects of the operation of 606 may be derived from, as referenced... Figure 2 The described UE is used to execute.
[0169] It should be noted that the methods described herein describe possible implementations, and the operations and steps may be rearranged or otherwise modified, and other implementations are possible.
[0170] Figure 7 A flowchart illustrating a method according to various aspects of this disclosure is shown. The operation of this method can be implemented by an NE as described herein. In some embodiments, the NE can execute a set of instructions to control the functional elements of the NE to perform the described functions.
[0171] At 702, the method may include sending a configuration including a first configured maximum output power for a Transmission Configuration Indication (TCI) state for a first indication and a second configured maximum output power for a TCI state for a second indication, wherein both TCI states are indications for the Bandwidth Part (BWP) of the serving cell, and multi-panel uplink (UL) transmission is enabled simultaneously. Operation 702 can be performed according to the examples described herein. In some embodiments, aspects of operation 702 may be derived from references... Figure 4 The NE described is used to execute.
[0172] At 704, the method may include determining whether the user equipment (UE) supports dynamic power sharing in a TCI state. The operation at 704 can be performed according to examples as described herein. In some implementations, aspects of the operation at 704 may be derived from references... Figure 4 The NE described is used to execute.
[0173] It should be noted that the methods described herein describe possible implementations, and the operations and steps may be rearranged or otherwise modified, and other implementations are possible.
[0174] The description herein is provided to enable those skilled in the art to make or use this disclosure. Various modifications to this disclosure will be apparent to those skilled in the art, and the general principles defined herein may be applied to other variations without departing from the scope of this disclosure. Therefore, this disclosure is not limited to the examples and designs described herein, but should be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A user equipment (UE) for wireless communication, comprising: At least one memory; as well as At least one processor, coupled to the at least one memory, and configured to cause the UE to: A first configured maximum output power for a Transmission Configuration Indication (TCI) state for a first indication and a second configured maximum output power for a TCI state for a second indication are obtained, wherein the two TCI states are for the Bandwidth Part (BWP) indication of the serving cell, and multi-panel uplink (UL) transmission is enabled simultaneously. Generate an indicator to show whether dynamic power sharing capability is supported in TCI states; and When it is determined that the capability indicator indicates support for dynamic power sharing in the TCI state, the capability indicator is sent to the base station.
2. The UE according to claim 1, wherein, When it is determined that the capability indicator indicates that dynamic power sharing in the TCI state is not supported, at least one of the first configured maximum output power and the second configured maximum output power is applied to the uplink transmission.
3. The UE according to claim 2, wherein, The uplink transmission includes Physical Uplink Shared Channel (PUSCH), Physical Uplink Control Channel (PUCCH), or Sounding Reference Signal (SRS) transmission; and the first configured maximum output power is applied to the device having the first TCI state or corresponding to the first Beam Failure Detection (BFD) Reference Signal (RS) set. q new The transmission, and the second configuration maximum output power is applied to the state having the second TCI state or corresponding to the second BFD RS set. q new The transmission.
4. The UE according to claim 2, wherein, The uplink transmission includes an SRS transmission having SRS resources configured for codebook-based (CB) or non-codebook (NCB) transmission; and the first configured maximum output power is applied to the SRS transmission corresponding to the SRS resources in the first SRS resource set, and the second configured maximum output power is applied to the SRS transmission corresponding to the SRS resources in the second SRS resource set.
5. The UE according to claim 2, wherein, The uplink transmission includes SRS transmission utilizing SRS resources within an SRS resource set configured for antenna switching (AS); and The first configuration maximum output power is applied to all SRS transmissions corresponding to the SRS resource set used for the AS, or The first configured maximum output power or the second configured maximum output power, indicated by the higher-layer parameters of the first SRS resource in the first SRS resource set used for the AS, is applied to all SRS transmissions corresponding to the SRS resource set used for the AS. The first configuration maximum output power or the second configuration maximum output power indicated by the higher-layer parameters of the TCI state of the first SRS resource configuration in the first SRS resource set for AS, which is configured with the same time-domain behavior, is applied to all SRS transmissions corresponding to the SRS resource set for AS.
6. The UE according to claim 2, wherein, The uplink transmission includes SRS transmission utilizing SRS resources within an SRS resource set configured for beam management (BM); and The first or second configured maximum output power indicated by the higher-layer parameters configured for each SRS resource set is applied to SRS transmissions corresponding to all SRS resources within the SRS resource set, or The first or second maximum output power, indicated by the higher-layer parameters of the TCI state configured for the first SRS resource in each SRS resource set, is applied to the SRS transmissions corresponding to all SRS resources in the SRS resource set.
7. The UE according to claim 2, wherein, The determination of the aperiodic SRS resource set is based on data from... coresetPoolIndex The value is associated with the Physical Downlink Control Channel (PDCCH) of the Control Resource Set (CORESET) and is specific to the [specific context]. coresetPoolIndex When the TCI state of the value is applied to the SRS resource set, The first configuration's maximum output power is applied to the power from... coresetPoolIndex SRS transmissions corresponding to the SRS resource set triggered by the PDCCH of the associated CORESET; The second configuration's maximum output power is applied to the power from... coresetPoolIndex 1. SRS transmissions corresponding to the SRS resource set triggered by the PDCCH of the associated CORESET.
8. The UE according to claim 1, wherein, When the capability indicator indicates support for dynamic power sharing in the TCI state, the UE also obtains the total configured maximum output power for the uplink transmission.
9. The UE according to claim 8, wherein When Downlink Control Information (DCI) schedules Spatial Division Multiplexing (SDM) Simultaneous Transmission Across Multiple Panels (STxMP) PUSCH transmission or Single Frequency Network (SFN) STxMP PUSCH transmission, the first configured maximum output power is applied to the device having the first TCI state or corresponding to the first BFD RS set. q new The PUSCH layer or PUSCH transmission, wherein the second configuration maximum output power is applied to the PUSCH layer or PUSCH transmission with the second TCI state or corresponding to the second BFD RS set. q new PUSCH layer or PUSCH transmission; When time-division multiplexing (TDM) PUSCH transmission is scheduled by DCI or single transmit-receive point (S-TRP) PUSCH transmission, the total configured maximum output power is applied to the entire PUSCH transmission. When SFN STxMP PUCCH transmission is scheduled by DCI, the first configured maximum output power is applied to the state corresponding to the first TCI state or the first BFD RS set. q new The PUCCH transmission, and the second configuration maximum output power is applied to the state with the second TCI or corresponding to the second BFD RS set. q new PUCCH transmission; and When an SRS transmission is scheduled by a DCI, the total configured maximum output power is applied to the entire SRS transmission.
10. The UE according to claim 8, wherein, The user equipment includes: When by and have different coresetPoolIndex When the associated Physical Downlink Control Channel (PDCCH) schedules partially or fully overlapping PUSCH transmissions, the first configured maximum output power is applied to transmissions with a first TCI state or corresponding to the first BFD RS set. q new The PUSCH transmission, and the second configuration maximum output power is applied to the second TCI state or corresponding to the second BFD RS set. q new PUSCH transmission; When by and have different coresetPoolIndex When scheduling non-overlapping PUSCH transmissions with PDCCH associated with the value, the total configuration maximum output power is applied to all PUSCH transmissions; When by and have different coresetPoolIndex When a PDCCH is scheduled to transmit a PUCCH with a value associated with it, the total configured maximum output power is applied to the entire PUCCH transmission; and When by and have different coresetPoolIndex When the PDCCH associated with the value schedules SRS transmission, the total configured maximum output power is applied to the entire SRS transmission.
11. The UE according to claim 1, wherein, The first TCI state in the multiple transmit-receive point (M-TRP) based on multiple downlink control information (M-DCI) corresponds to a specific coresetPoolIndex The TCI state of 0, and the second TCI state in the M-TRP based on M-DCI corresponds to a specific coresetPoolIndex TCI state 1.
12. The UE according to claim 1, wherein, Configure or specify more than one of the following sets: UE minimum peak effective isotropic radiated power (EIRP), P Powerclass ; Peak EIRP relaxation, ΔMB P,n ;as well as Applicable maximum EIRP, EIRP max ; Furthermore, if the Type 1 or Type 3 power headroom is calculated based on a reference PUSCH or SRS transmission, the associated maximum output power of the configuration is not reported in the corresponding Power Headroom Report (PHR) report.
13. The UE according to claim 1, wherein, Configure or specify only one of the following sets: UE minimum peak effective isotropic radiated power (EIRP), P Powerclass ; Peak EIRP relaxation, ΔMB P,n ;as well as Applicable maximum EIRP, EIRP max ; Furthermore, if the Type 1 or Type 3 power margin is calculated based on the reference PUSCH or SRS transmission, the associated maximum output power of the configuration is reported in the corresponding PHR report.
14. The UE according to claim 1, wherein, If it is determined that the capability indicator indicates that dynamic power sharing in the TCI state is not supported, the capability indicator is not sent.
15. A processor for wireless communication, comprising: At least one controller, coupled to at least one memory, and configured to cause the processor to: A first configured maximum output power for a Transmission Configuration Indication (TCI) state for a first indication and a second configured maximum output power for a TCI state for a second indication are obtained, wherein the two TCI states are for the Bandwidth Part (BWP) indication of the serving cell, and multi-panel uplink (UL) transmission is enabled simultaneously. Generate an indicator to show whether dynamic power sharing capability is supported in TCI states; and When it is determined that the capability indicator indicates support for dynamic power sharing in the TCI state, the capability indicator is sent to the base station.
16. The processor of claim 15, wherein, If it is determined that the capability indicator indicates that dynamic power sharing in the TCI state is not supported, the capability indicator is not sent.
17. A method performed by a user equipment (UE), the method comprising: A first configured maximum output power for a Transmission Configuration Indication (TCI) state for a first indication and a second configured maximum output power for a TCI state for a second indication are obtained, wherein the two TCI states are for the Bandwidth Part (BWP) indication of the serving cell, and multi-panel uplink (UL) transmission is enabled simultaneously. Generate an indicator to show whether dynamic power sharing capability is supported in TCI states; and When it is determined that the capability indicator indicates support for dynamic power sharing in the TCI state, the capability indicator is sent to the base station.
18. A base station for wireless communication, comprising: At least one memory; as well as At least one processor, coupled to the at least one memory, and configured to enable the base station to: Sending a configuration including a first configured maximum output power for a Transmission Configuration Indication (TCI) state for a first indication and a second configured maximum output power for a TCI state for a second indication, wherein the two TCI states are for the Bandwidth Part (BWP) indication of the serving cell, and multi-panel uplink (UL) transmission is enabled simultaneously. and Determine whether the user equipment (UE) supports dynamic power sharing in TCI state.
19. The base station according to claim 18, wherein, Dynamic power sharing in the TCI state is determined to be supported by the UE, wherein the UE receives a capability indicator indicating support for dynamic power sharing in the TCI state.
20. The base station according to claim 18, wherein, Dynamic power sharing in the TCI state is determined to be unsupported by the UE, wherein the UE receives a capability indicator indicating that dynamic power sharing in the TCI state is not supported, or wherein the UE does not receive a capability indicator indicating whether dynamic power sharing in the TCI state is supported.